add Nvidia digital vibrance/hue control, add creation of custom color profile, add support for LG A2/A3 service menu unlocker

2026-10-21 16:12:18 -05:00 · 2023-12-28 21:48:33 +01:00
1 parent 6b3b0b4b17
commit 5611c1bea7
@@ -15,6 +15,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "NLogViewer", "NLogViewer\NL
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Shared", "Shared\Shared.csproj", "{8F38D6B0-82DA-4DD1-89EB-918D8A18AEB1}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LittleCms", "LittleCms\LittleCms.csproj", "{42D251AE-42AF-4C0D-B163-7C7A13C4A9A6}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MHC2Gen", "MHC2Gen\MHC2Gen.csproj", "{9FDF741F-0ECF-46DB-8671-AB11ACEB9F41}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -71,6 +75,22 @@ Global
 		{8F38D6B0-82DA-4DD1-89EB-918D8A18AEB1}.Release|Any CPU.Build.0 = Release|Any CPU
 		{8F38D6B0-82DA-4DD1-89EB-918D8A18AEB1}.Release|x64.ActiveCfg = Release|Any CPU
 		{8F38D6B0-82DA-4DD1-89EB-918D8A18AEB1}.Release|x64.Build.0 = Release|Any CPU
+		{42D251AE-42AF-4C0D-B163-7C7A13C4A9A6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{42D251AE-42AF-4C0D-B163-7C7A13C4A9A6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{42D251AE-42AF-4C0D-B163-7C7A13C4A9A6}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{42D251AE-42AF-4C0D-B163-7C7A13C4A9A6}.Debug|x64.Build.0 = Debug|Any CPU
+		{42D251AE-42AF-4C0D-B163-7C7A13C4A9A6}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{42D251AE-42AF-4C0D-B163-7C7A13C4A9A6}.Release|Any CPU.Build.0 = Release|Any CPU
+		{42D251AE-42AF-4C0D-B163-7C7A13C4A9A6}.Release|x64.ActiveCfg = Release|Any CPU
+		{42D251AE-42AF-4C0D-B163-7C7A13C4A9A6}.Release|x64.Build.0 = Release|Any CPU
+		{9FDF741F-0ECF-46DB-8671-AB11ACEB9F41}.Debug|Any CPU.ActiveCfg = Debug|x64
+		{9FDF741F-0ECF-46DB-8671-AB11ACEB9F41}.Debug|Any CPU.Build.0 = Debug|x64
+		{9FDF741F-0ECF-46DB-8671-AB11ACEB9F41}.Debug|x64.ActiveCfg = Debug|x64
+		{9FDF741F-0ECF-46DB-8671-AB11ACEB9F41}.Debug|x64.Build.0 = Debug|x64
+		{9FDF741F-0ECF-46DB-8671-AB11ACEB9F41}.Release|Any CPU.ActiveCfg = Release|x64
+		{9FDF741F-0ECF-46DB-8671-AB11ACEB9F41}.Release|Any CPU.Build.0 = Release|x64
+		{9FDF741F-0ECF-46DB-8671-AB11ACEB9F41}.Release|x64.ActiveCfg = Release|x64
+		{9FDF741F-0ECF-46DB-8671-AB11ACEB9F41}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -18,8 +18,8 @@
 		<PublisherName>Maassoft</PublisherName>
 		<Company>Maassoft</Company> 
 		<ApplicationRevision>0</ApplicationRevision>
-		<ApplicationVersion>9.7.2.0</ApplicationVersion>
-		<Version>9.7.2.0</Version>
+		<ApplicationVersion>9.8.0.0</ApplicationVersion>
+		<Version>9.8.0.0</Version>
 		<UseApplicationTrust>false</UseApplicationTrust>
 		<PublishWizardCompleted>true</PublishWizardCompleted>
 		<BootstrapperEnabled>false</BootstrapperEnabled>
@@ -29,7 +29,7 @@
 		<ImportWindowsDesktopTargets>true</ImportWindowsDesktopTargets>
 		<ApplicationIcon>pngbarn.ico</ApplicationIcon>
 		<SupportedOSPlatformVersion>10.0.20348.0</SupportedOSPlatformVersion>
-		<Copyright>2020-2023 Maassoft</Copyright>
+		<Copyright>2020-2024 Maassoft</Copyright>
 		<Authors>Maassoft</Authors>
 		<ManifestCertificateThumbprint>CF0BC153EA664CD97AC6F234B91F45D34630958F</ManifestCertificateThumbprint>
 		<ManifestKeyFile>ColorControl_1_TemporaryKey.pfx</ManifestKeyFile>
@@ -52,6 +52,7 @@
 		<PathMap Condition="'$(Configuration)' == 'Release'">$(MSBuildThisFileDirectory)=.\</PathMap>
 	</PropertyGroup>
 	<ItemGroup>
+		<None Remove="XForms\ColorProfileWindow.xaml" />
 		<None Remove="XForms\LogWindow.xaml" />
 	</ItemGroup>
 	<ItemGroup>
@@ -113,11 +114,16 @@
 		<PackageReference Include="RawInput.Sharp" Version="0.1.1" />
 	</ItemGroup>
 	<ItemGroup>
+		<Page Include="XForms\ColorProfileWindow.xaml">
+		  <SubType>Designer</SubType>
+		  <Generator>MSBuild:Compile</Generator>
+		</Page>
 		<Page Include="XForms\LogWindow.xaml">
 			<Generator>MSBuild:Compile</Generator>
 		</Page>
 	</ItemGroup>
 	<ItemGroup>
+		<ProjectReference Include="..\MHC2Gen\MHC2Gen.csproj" />
 		<ProjectReference Include="..\NLogViewer\NLogViewer.csproj" />
 		<ProjectReference Include="..\novideo_srgb\novideo_srgb.csproj" />
 		<ProjectReference Include="..\Nspector\Nspector.csproj" />
@@ -8,15 +8,12 @@ namespace ColorControl.Forms
    public partial class InfoPanel : UserControl
    {
        private readonly WinApiService _winApiService;
-        private bool _initialized;

        public InfoPanel(WinApiService winApiService)
        {
            _winApiService = winApiService;
            InitializeComponent();

-            _initialized = true;
-
            if (DarkModeUtils.UseDarkMode)
            {
                grpInfo.ForeColor = FormUtils.CurrentForeColor;
@@ -29,14 +26,14 @@ namespace ColorControl.Forms
        {
            var currentVersionInfo = FileVersionInfo.GetVersionInfo(Application.ExecutablePath);

-            Text = Application.ProductName + " " + Application.ProductVersion;
+            var text = Application.ProductName + " " + Application.ProductVersion;

            if (_winApiService.IsAdministrator())
            {
-                Text += " (administrator)";
+                text += " (administrator)";
            }

-            lblInfo.Text = Text + " - " + currentVersionInfo.LegalCopyright;
+            lblInfo.Text = text + " - " + currentVersionInfo.LegalCopyright;

            lbPlugins.Items.Add("lgtv.net by gr4b4z");
            lbPlugins.Items.Add("Newtonsoft.Json by James Newton-King");
@@ -49,7 +46,8 @@ namespace ColorControl.Forms
            lbPlugins.Items.Add("Novideo sRGB by ledoge");
            lbPlugins.Items.Add("NLogViewer by dojo90");
            lbPlugins.Items.Add("WPFDarkTheme by AngryCarrot789");
-
+            lbPlugins.Items.Add("Little-CMS by mm2");
+            lbPlugins.Items.Add("MHC2 by dantmnf");
        }

    }
@@ -28,6 +28,7 @@
        /// </summary>
        private void InitializeComponent()
        {
+            components = new System.ComponentModel.Container();
            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(MainForm));
            tcMain = new System.Windows.Forms.TabControl();
            tabOptions = new System.Windows.Forms.TabPage();
@@ -35,6 +36,7 @@
            label1 = new System.Windows.Forms.Label();
            chkModules = new System.Windows.Forms.CheckedListBox();
            grpMiscellaneousOptions = new System.Windows.Forms.GroupBox();
+            btnOptionsColorProfiles = new System.Windows.Forms.Button();
            btnSetShortcutScreenSaver = new System.Windows.Forms.Button();
            label11 = new System.Windows.Forms.Label();
            edtBlankScreenSaverShortcut = new System.Windows.Forms.TextBox();
@@ -60,11 +62,14 @@
            chkStartAfterLogin = new System.Windows.Forms.CheckBox();
            tabInfo = new System.Windows.Forms.TabPage();
            btnUpdate = new System.Windows.Forms.Button();
+            mnuColorProfiles = new System.Windows.Forms.ContextMenuStrip(components);
+            miCreateHDRColorProfile = new System.Windows.Forms.ToolStripMenuItem();
            tcMain.SuspendLayout();
            tabOptions.SuspendLayout();
            grpOptionsModules.SuspendLayout();
            grpMiscellaneousOptions.SuspendLayout();
            grpGeneralOptions.SuspendLayout();
+            mnuColorProfiles.SuspendLayout();
            SuspendLayout();
            // 
            // tcMain
@@ -130,6 +135,7 @@
            // 
            // grpMiscellaneousOptions
            // 
+            grpMiscellaneousOptions.Controls.Add(btnOptionsColorProfiles);
            grpMiscellaneousOptions.Controls.Add(btnSetShortcutScreenSaver);
            grpMiscellaneousOptions.Controls.Add(label11);
            grpMiscellaneousOptions.Controls.Add(edtBlankScreenSaverShortcut);
@@ -144,6 +150,17 @@
            grpMiscellaneousOptions.TabStop = false;
            grpMiscellaneousOptions.Text = "Miscellaneous";
            // 
+            // btnOptionsColorProfiles
+            // 
+            btnOptionsColorProfiles.Location = new System.Drawing.Point(538, 17);
+            btnOptionsColorProfiles.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
+            btnOptionsColorProfiles.Name = "btnOptionsColorProfiles";
+            btnOptionsColorProfiles.Size = new System.Drawing.Size(112, 27);
+            btnOptionsColorProfiles.TabIndex = 12;
+            btnOptionsColorProfiles.Text = "Color Profiles...";
+            btnOptionsColorProfiles.UseVisualStyleBackColor = true;
+            btnOptionsColorProfiles.Click += btnOptionsColorProfiles_Click;
+            // 
            // btnSetShortcutScreenSaver
            // 
            btnSetShortcutScreenSaver.Location = new System.Drawing.Point(181, 98);
@@ -455,6 +472,20 @@
            btnUpdate.Visible = false;
            btnUpdate.Click += btnUpdate_Click;
            // 
+            // mnuColorProfiles
+            // 
+            mnuColorProfiles.ImageScalingSize = new System.Drawing.Size(20, 20);
+            mnuColorProfiles.Items.AddRange(new System.Windows.Forms.ToolStripItem[] { miCreateHDRColorProfile });
+            mnuColorProfiles.Name = "mnuLgButtons";
+            mnuColorProfiles.Size = new System.Drawing.Size(214, 26);
+            // 
+            // miCreateHDRColorProfile
+            // 
+            miCreateHDRColorProfile.Name = "miCreateHDRColorProfile";
+            miCreateHDRColorProfile.Size = new System.Drawing.Size(213, 22);
+            miCreateHDRColorProfile.Text = "Create HDR Color Profile...";
+            miCreateHDRColorProfile.Click += miCreateHDRColorProfile_Click;
+            // 
            // MainForm
            // 
            AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
@@ -486,6 +517,7 @@
            grpMiscellaneousOptions.PerformLayout();
            grpGeneralOptions.ResumeLayout(false);
            grpGeneralOptions.PerformLayout();
+            mnuColorProfiles.ResumeLayout(false);
            ResumeLayout(false);
        }

@@ -522,6 +554,9 @@
        private System.Windows.Forms.CheckBox chkOptionsUseDarkMode;
        private System.Windows.Forms.Button btnOptionsAdvanced;
        private System.Windows.Forms.Button btnOptionsLog;
+        private System.Windows.Forms.Button btnOptionsColorProfiles;
+        private System.Windows.Forms.ContextMenuStrip mnuColorProfiles;
+        private System.Windows.Forms.ToolStripMenuItem miCreateHDRColorProfile;
    }
 }

@@ -66,7 +66,6 @@ namespace ColorControl

        private AmdPanel _amdPanel;
        private bool _skipResize;
-        private FileVersionInfo _currentVersionInfo;
        private bool _checkedForUpdates = false;
        private string _updateHtmlUrl;
        private string _downloadUrl;
@@ -96,6 +95,15 @@ namespace ColorControl
            _dataDir = Program.DataDir;
            _config = Program.Config;

+            var currentVersionInfo = FileVersionInfo.GetVersionInfo(Application.ExecutablePath);
+
+            Text = Application.ProductName + " " + Application.ProductVersion;
+
+            if (_winApiService.IsAdministrator())
+            {
+                Text += " (administrator)";
+            }
+
            LoadConfig();

            KeyboardShortcutManager.SetUseRawInput(_config.UseRawInput);
@@ -1423,5 +1431,15 @@ Currently ColorControl is {(_winApiService.IsAdministrator() ? "" : "not ")}runn
            var module = _config.Modules[index];
            module.IsActive = e.NewValue == CheckState.Checked;
        }
+
+        private void miCreateHDRColorProfile_Click(object sender, EventArgs e)
+        {
+            ColorProfileWindow.CreateAndShow();
+        }
+
+        private void btnOptionsColorProfiles_Click(object sender, EventArgs e)
+        {
+            mnuColorProfiles.ShowCustom(btnOptionsColorProfiles);
+        }
    }
 }
@@ -117,6 +117,9 @@
  <resheader name="writer">
    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
  </resheader>
+  <metadata name="mnuColorProfiles.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>147, 17</value>
+  </metadata>
  <assembly alias="System.Drawing" name="System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
  <data name="$this.Icon" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
    <value>
@@ -256,6 +256,7 @@ namespace ColorControl
                    services.AddSingleton<MainForm>();
                    services.AddSingleton<ElevatedForm>();
                    services.AddSingleton<LogWindow>();
+                    services.AddTransient<ColorProfileWindow>();
                    services.AddSingleton<RestartDetector>();
                    services.AddSingleton<InfoPanel>();
                });
@@ -77,7 +77,14 @@ namespace ColorControl.Services.GameLauncher

            if (_winApiService.IsAdministrator())
            {
-                var fileName = process.MainModule.FileName;
+                var mainModule = process.MainModule;
+
+                if (mainModule == null)
+                {
+                    return false;
+                }
+
+                var fileName = mainModule.FileName;

                preset = _presets.FirstOrDefault(p => fileName.Contains(Path.GetDirectoryName(p.Path), System.StringComparison.OrdinalIgnoreCase));
            }
@@ -829,7 +829,7 @@ Do you want to continue?"
            mnuLgOLEDMotionPro.Visible = visible;
            miLgEnableMotionPro.Visible = enableVisible;

-            var svcMenuFlagVisible = new[] { "B2", "C2", "G2", "B3", "C3", "G3" }.Any(m => device?.ModelName?.Contains(m) == true);
+            var svcMenuFlagVisible = new[] { "A2", "B2", "C2", "G2", "A3", "B3", "C3", "G3" }.Any(m => device?.ModelName?.Contains(m) == true);

            mnuLgSetSvcMenuFlag.Visible = svcMenuFlagVisible;

@@ -57,6 +57,8 @@ namespace ColorControl.Services.NVIDIA
            miNvPrimaryDisplay = new System.Windows.Forms.ToolStripMenuItem();
            mnuNvPresetsColorSettings = new System.Windows.Forms.ToolStripMenuItem();
            miNvPresetColorSettings = new System.Windows.Forms.ToolStripMenuItem();
+            mnuNvPresetsColorEnhancements = new System.Windows.Forms.ToolStripMenuItem();
+            miNvPresetColorEnhancementsIncluded = new System.Windows.Forms.ToolStripMenuItem();
            mnuRefreshRate = new System.Windows.Forms.ToolStripMenuItem();
            miRefreshRateIncluded = new System.Windows.Forms.ToolStripMenuItem();
            mnuNvResolution = new System.Windows.Forms.ToolStripMenuItem();
@@ -94,8 +96,8 @@ namespace ColorControl.Services.NVIDIA
            miNvNovideo = new System.Windows.Forms.ToolStripMenuItem();
            miNvSettings = new System.Windows.Forms.ToolStripMenuItem();
            miNvTestDithering = new System.Windows.Forms.ToolStripMenuItem();
-            lvNvPresetsToolTip = new System.Windows.Forms.ToolTip(components);
            miNVIDIAInfo = new System.Windows.Forms.ToolStripMenuItem();
+            lvNvPresetsToolTip = new System.Windows.Forms.ToolTip(components);
            mnuNvPresets.SuspendLayout();
            mnuNvSettings.SuspendLayout();
            SuspendLayout();
@@ -326,9 +328,9 @@ namespace ColorControl.Services.NVIDIA
            // mnuNvPresets
            // 
            mnuNvPresets.ImageScalingSize = new System.Drawing.Size(20, 20);
-            mnuNvPresets.Items.AddRange(new System.Windows.Forms.ToolStripItem[] { miNvApply, miNvPresetApplyOnStartup, tssNvPresetMenu, mnuNvDisplay, mnuNvPresetsColorSettings, mnuRefreshRate, mnuNvResolution, miNvPresetDithering, miNvHDR, mnuNvDriverSettings, mnuNvOtherSettings, mnuNvHdmiSettings, mnuNvOverclocking, miNvCopyId });
+            mnuNvPresets.Items.AddRange(new System.Windows.Forms.ToolStripItem[] { miNvApply, miNvPresetApplyOnStartup, tssNvPresetMenu, mnuNvDisplay, mnuNvPresetsColorSettings, mnuNvPresetsColorEnhancements, mnuRefreshRate, mnuNvResolution, miNvPresetDithering, miNvHDR, mnuNvDriverSettings, mnuNvOtherSettings, mnuNvHdmiSettings, mnuNvOverclocking, miNvCopyId });
            mnuNvPresets.Name = "mnuNvPresets";
-            mnuNvPresets.Size = new System.Drawing.Size(185, 296);
+            mnuNvPresets.Size = new System.Drawing.Size(185, 340);
            mnuNvPresets.Opening += mnuNvPresets_Opening;
            // 
            // miNvApply
@@ -375,10 +377,24 @@ namespace ColorControl.Services.NVIDIA
            // miNvPresetColorSettings
            // 
            miNvPresetColorSettings.Name = "miNvPresetColorSettings";
-            miNvPresetColorSettings.Size = new System.Drawing.Size(120, 22);
+            miNvPresetColorSettings.Size = new System.Drawing.Size(180, 22);
            miNvPresetColorSettings.Text = "Included";
            miNvPresetColorSettings.Click += miNvPresetColorSettings_Click;
            // 
+            // mnuNvPresetsColorEnhancements
+            // 
+            mnuNvPresetsColorEnhancements.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] { miNvPresetColorEnhancementsIncluded });
+            mnuNvPresetsColorEnhancements.Name = "mnuNvPresetsColorEnhancements";
+            mnuNvPresetsColorEnhancements.Size = new System.Drawing.Size(184, 22);
+            mnuNvPresetsColorEnhancements.Text = "Color Enhancements";
+            // 
+            // miNvPresetColorEnhancementsIncluded
+            // 
+            miNvPresetColorEnhancementsIncluded.Name = "miNvPresetColorEnhancementsIncluded";
+            miNvPresetColorEnhancementsIncluded.Size = new System.Drawing.Size(180, 22);
+            miNvPresetColorEnhancementsIncluded.Text = "Included";
+            miNvPresetColorEnhancementsIncluded.Click += miNvPresetColorEnhancementsIncluded_Click;
+            // 
            // mnuRefreshRate
            // 
            mnuRefreshRate.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] { miRefreshRateIncluded });
@@ -638,7 +654,7 @@ namespace ColorControl.Services.NVIDIA
            mnuNvSettings.ImageScalingSize = new System.Drawing.Size(20, 20);
            mnuNvSettings.Items.AddRange(new System.Windows.Forms.ToolStripItem[] { miNvProfileInspector, miNvNovideo, miNvSettings, miNvTestDithering, miNVIDIAInfo });
            mnuNvSettings.Name = "mnuLgButtons";
-            mnuNvSettings.Size = new System.Drawing.Size(202, 136);
+            mnuNvSettings.Size = new System.Drawing.Size(202, 114);
            // 
            // miNvProfileInspector
            // 
@@ -778,5 +794,7 @@ namespace ColorControl.Services.NVIDIA
        private System.Windows.Forms.ToolStripMenuItem miNvHdmiIncluded;
        private System.Windows.Forms.ToolStripMenuItem miNvTestDithering;
        private System.Windows.Forms.ToolStripMenuItem miNVIDIAInfo;
+        private System.Windows.Forms.ToolStripMenuItem mnuNvPresetsColorEnhancements;
+        private System.Windows.Forms.ToolStripMenuItem miNvPresetColorEnhancementsIncluded;
    }
 }
@@ -337,6 +337,8 @@ namespace ColorControl.Services.NVIDIA
            mnuNvDisplay.Visible = presetItemsVisible;
            miNvPresetColorSettings.Enabled = presetItemsVisible;
            mnuNvPresetsColorSettings.Enabled = preset != null;
+            miNvPresetColorEnhancementsIncluded.Enabled = presetItemsVisible;
+            mnuNvPresetsColorEnhancements.Enabled = preset != null;
            mnuRefreshRate.Enabled = preset != null;
            mnuNvResolution.Enabled = preset != null;
            miNvPresetDithering.Enabled = preset != null;
@@ -363,6 +365,7 @@ namespace ColorControl.Services.NVIDIA

            miNvPresetApplyDithering.Visible = !isCurrentDisplay;
            miNvPresetColorSettings.Visible = !isCurrentDisplay;
+            miNvPresetColorEnhancementsIncluded.Visible = !isCurrentDisplay;
            miNvResolutionIncluded.Visible = !isCurrentDisplay;
            miRefreshRateIncluded.Visible = !isCurrentDisplay;
            miHDRIncluded.Visible = !isCurrentDisplay;
@@ -422,8 +425,10 @@ namespace ColorControl.Services.NVIDIA
            miNvOtherIncluded.Checked = preset.applyOther;
            miNvHdmiIncluded.Checked = preset.applyHdmiSettings;
            miNvDriverSettingsIncluded.Checked = preset.applyDriverSettings;
+            miNvPresetColorEnhancementsIncluded.Checked = preset.ApplyColorEnhancements;

            mnuNvPresetsColorSettings.Font = _menuItemFonts[preset.applyColorData];
+            mnuNvPresetsColorEnhancements.Font = _menuItemFonts[preset.ApplyColorEnhancements];
            mnuRefreshRate.Font = _menuItemFonts[preset.applyRefreshRate];
            mnuNvResolution.Font = _menuItemFonts[preset.applyResolution];
            miNvPresetDithering.Font = _menuItemFonts[preset.applyDithering];
@@ -432,22 +437,19 @@ namespace ColorControl.Services.NVIDIA
            mnuNvOtherSettings.Font = _menuItemFonts[preset.applyOther];
            mnuNvHdmiSettings.Font = _menuItemFonts[preset.applyHdmiSettings];

-            var itemName = $"{mnuNvOtherSettings.Name}_SDRBrightness";
-            var brightnessMenu = FormUtils.BuildMenuItem(mnuNvOtherSettings.DropDownItems, itemName, "SDR brightness");
+            FormUtils.BuildMenuItemAndSub(mnuNvPresetsColorEnhancements, "Digital Vibrance",
+                $"{preset.ColorEnhancementSettings.DigitalVibranceLevel}% (click to change)", nvPresetDvcMenuItem_Click);
+            FormUtils.BuildMenuItemAndSub(mnuNvPresetsColorEnhancements, "Hue",
+                $"{preset.ColorEnhancementSettings.HueAngle}° (click to change)", nvPresetHueMenuItem_Click);

-            var subItemName = $"{itemName}_SubItem";
-            var subItem = FormUtils.BuildMenuItem(brightnessMenu.DropDownItems, subItemName, "", onClick: nvPresetBrightnessMenuItem_Click);
-            subItem.Text = (preset.SDRBrightness.HasValue ? $"{preset.SDRBrightness.Value}%" : "Unset") + " (click to change)";
+            FormUtils.BuildMenuItemAndSub(mnuNvOtherSettings, "SDR brightness",
+                (preset.SDRBrightness.HasValue ? $"{preset.SDRBrightness.Value}%" : "Unset") + " (click to change)", nvPresetBrightnessMenuItem_Click);

            FormUtils.BuildDropDownMenu(mnuNvOtherSettings, "Scaling", typeof(Scaling), preset, "scaling", nvPresetScalingMenuItem_Click, unchanged: true, skipValues: new object[] { Scaling.Customized })
                .DropDownItems[0].Visible = !isCurrentDisplay;

-            var itemNameProfile = $"{mnuNvOtherSettings.Name}_Profile";
-            var profileMenu = FormUtils.BuildMenuItem(mnuNvOtherSettings.DropDownItems, itemNameProfile, "Color Profile");
-
-            var subItemNameProfile = $"{itemNameProfile}_SubItem";
-            var subItemProfile = FormUtils.BuildMenuItem(profileMenu.DropDownItems, subItemNameProfile, "", onClick: nvPresetColorProfileMenuItem_Click);
-            subItemProfile.Text = (!preset.ColorProfileSettings.ProfileName.IsNullOrWhiteSpace() ? $"{preset.ColorProfileSettings.ProfileName}" : "Unset") + " (click to change)";
+            FormUtils.BuildMenuItemAndSub(mnuNvOtherSettings, "Color Profile",
+                (!preset.ColorProfileSettings.ProfileName.IsNullOrWhiteSpace() ? $"{preset.ColorProfileSettings.ProfileName}" : "Unset") + " (click to change)", nvPresetColorProfileMenuItem_Click);

            FormUtils.BuildDropDownMenu(mnuNvHdmiSettings, "Content type", typeof(InfoFrameVideoContentType), preset.HdmiInfoFrameSettings, "ContentType", nvPresetHdmiContentTypeMenuItem_Click, unchanged: true)
                .DropDownItems[0].Visible = !isCurrentDisplay;
@@ -833,6 +835,68 @@ namespace ColorControl.Services.NVIDIA
            AddOrUpdateItem();
        }

+        private void nvPresetDvcMenuItem_Click(object sender, EventArgs e)
+        {
+            var preset = GetSelectedNvPreset(true);
+
+            var label = "Digital vibrance in % (clear to set to default)";
+
+            var display = _nvService.ResolveDisplay(preset);
+            var dvControl = display.DigitalVibranceControl;
+
+            var value = SelectValue(dvControl.MinimumLevel, dvControl.MaximumLevel, preset.ColorEnhancementSettings.DigitalVibranceLevel, label);
+
+            if (value == -1)
+            {
+                return;
+            }
+
+            var intValue = value ?? dvControl.DefaultLevel;
+
+            if (preset.IsDisplayPreset)
+            {
+                _nvService.SetDigitalVibranceLevel(preset.Display, intValue);
+
+                UpdateDisplayInfoItems();
+                return;
+            }
+
+            preset.ColorEnhancementSettings.DigitalVibranceLevel = intValue;
+
+            AddOrUpdateItem();
+        }
+
+        private void nvPresetHueMenuItem_Click(object sender, EventArgs e)
+        {
+            var preset = GetSelectedNvPreset(true);
+
+            var label = "Hue angle in ° (clear to set to default)";
+
+            var display = _nvService.ResolveDisplay(preset);
+            var hueControl = display.HUEControl;
+
+            var value = SelectValue(hueControl.DefaultAngle, 359, preset.ColorEnhancementSettings.HueAngle, label);
+
+            if (value == -1)
+            {
+                return;
+            }
+
+            var intValue = value ?? hueControl.DefaultAngle;
+
+            if (preset.IsDisplayPreset)
+            {
+                _nvService.SetHueAngle(preset.Display, intValue);
+
+                UpdateDisplayInfoItems();
+                return;
+            }
+
+            preset.ColorEnhancementSettings.HueAngle = intValue;
+
+            AddOrUpdateItem();
+        }
+
        private void nvPresetScalingMenuItem_Click(object sender, EventArgs e)
        {
            var menuItem = (ToolStripMenuItem)sender;
@@ -1931,5 +1995,14 @@ namespace ColorControl.Services.NVIDIA

            MessageForms.ShowControl(panel, "NVIDIA Info", height: 800);
        }
+
+        private void miNvPresetColorEnhancementsIncluded_Click(object sender, EventArgs e)
+        {
+            var preset = GetSelectedNvPreset();
+
+            preset.ApplyColorEnhancements = !preset.ApplyColorEnhancements;
+
+            AddOrUpdateItem();
+        }
    }
 }
@@ -18,7 +18,7 @@
    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
-    <data name="Color1" type="System.Drawing.Color, System.Drawing"">Blue</data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
        <value>[base64 mime encoded serialized .NET Framework object]</value>
    </data>
@@ -20,6 +20,8 @@ namespace ColorControl.Services.NVIDIA

        public bool applyColorData { get; set; }
        public ColorData colorData { get; set; }
+        public bool ApplyColorEnhancements { get; set; }
+        public NvColorEnhancementSettings ColorEnhancementSettings { get; set; }
        public bool applyHDR { get; set; }
        public bool HDREnabled { get; set; }
        public bool toggleHDR { get; set; }
@@ -77,6 +79,7 @@ namespace ColorControl.Services.NVIDIA
            ocSettings = new List<NvGpuOcSettings>();
            HdmiInfoFrameSettings = new NvHdmiInfoFrameSettings();
            ColorProfileSettings = new NvColorProfileSettings();
+            ColorEnhancementSettings = new NvColorEnhancementSettings();
        }

        public NvPreset(ColorData colorData) : this()
@@ -116,6 +119,9 @@ namespace ColorControl.Services.NVIDIA

            HdmiInfoFrameSettings = new NvHdmiInfoFrameSettings(preset.HdmiInfoFrameSettings);
            applyHdmiSettings = preset.applyHdmiSettings;
+
+            ColorEnhancementSettings = new NvColorEnhancementSettings(preset.ColorEnhancementSettings);
+            ApplyColorEnhancements = preset.ApplyColorEnhancements;
        }

        public NvPreset Clone()
@@ -127,7 +133,7 @@ namespace ColorControl.Services.NVIDIA

        public static string[] GetColumnNames()
        {
-            return new[] { "Name", "Display|140", "Color settings (BPC, format, dyn. range, color space)|260", "Refresh rate|100", "Resolution|120", "Dithering", "HDR", "Driver settings|300", "HDMI settings|200", "Other|200", "Overclocking|300", "Shortcut", "Apply on startup" };
+            return new[] { "Name", "Display|140", "Color settings (BPC, format, dyn. range, color space)|260", "Color enhancements", "Refresh rate|100", "Resolution|120", "Dithering", "HDR", "Driver settings|300", "HDMI settings|200", "Other|200", "Overclocking|300", "Shortcut", "Apply on startup" };
        }

        public override List<string> GetDisplayValues(Config config = null)
@@ -145,6 +151,9 @@ namespace ColorControl.Services.NVIDIA
            var colorSettings = FormatDisplaySetting(string.Format("{0}, {1}, {2}, {3}", colorData.ColorDepth, colorData.ColorFormat, colorData.DynamicRange, colorData.Colorimetry), isCurrent, applyColorData);

            values.Add(colorSettings);
+
+            values.Add(FormatDisplaySetting(GetColorEnhancementsDescription(), isCurrent, ApplyColorEnhancements));
+
            values.Add(FormatDisplaySetting(string.Format("{0}Hz", refreshRate), isCurrent, applyRefreshRate));

            if (applyResolution || resolutionWidth > 0)
@@ -298,6 +307,27 @@ namespace ColorControl.Services.NVIDIA
            return string.Join(", ", values);
        }

+        public string GetColorEnhancementsDescription()
+        {
+            var values = new List<string>();
+
+            if (ColorEnhancementSettings.DigitalVibranceLevel != 50)
+            {
+                values.Add($"Digital vibrance: {ColorEnhancementSettings.DigitalVibranceLevel}%");
+            }
+            if (ColorEnhancementSettings.HueAngle != 0)
+            {
+                values.Add($"Hue: {ColorEnhancementSettings.HueAngle}°");
+            }
+
+            if (!values.Any())
+            {
+                values.Add("None");
+            }
+
+            return string.Join(", ", values);
+        }
+
        public static ColorData DefaultColorData => new ColorData(ColorDataFormat.Auto, dynamicRange: ColorDataDynamicRange.Auto, colorDepth: ColorDataDepth.Default, colorSelectionPolicy: ColorDataSelectionPolicy.BestQuality);

        public static List<NvPreset> GetDefaultPresets()
@@ -398,6 +398,12 @@ namespace ColorControl.Services.NVIDIA
                }
            }

+            if (preset.ApplyColorEnhancements)
+            {
+                SetDigitalVibranceLevel(display, preset.ColorEnhancementSettings.DigitalVibranceLevel);
+                SetHueAngle(display, preset.ColorEnhancementSettings.HueAngle);
+            }
+
            if (preset.applyDriverSettings)
            {
                SetDriverSettings(preset.driverSettings);
@@ -609,6 +615,28 @@ namespace ColorControl.Services.NVIDIA
            return 0;
        }

+        public void SetDigitalVibranceLevel(Display display, int level)
+        {
+            var dvControl = display.DigitalVibranceControl;
+
+            dvControl.CurrentLevel = level;
+        }
+
+        public int GetDigitalVibranceLevel(Display display)
+        {
+            return display.DigitalVibranceControl.CurrentLevel;
+        }
+
+        public void SetHueAngle(Display display, int angle)
+        {
+            display.HUEControl.CurrentAngle = angle;
+        }
+
+        public int GetHueAngle(Display display)
+        {
+            return display.HUEControl.CurrentAngle;
+        }
+
        public bool SetDithering(NvDitherState state, uint bits = 1, uint mode = 4, NvPreset preset = null, Display currentDisplay = null)
        {
            var result = true;
@@ -1132,6 +1160,7 @@ namespace ColorControl.Services.NVIDIA

            preset.displayName = FormUtils.ExtendedDisplayName(display.Name);
            preset.colorData = GetCurrentColorData(display);
+            preset.ColorEnhancementSettings = GetCurrentColorEnhancements(display);
            preset.HdmiInfoFrameSettings = GetHdmiSettings(display);
            preset.SDRBrightness = GetSDRBrightness(display);
            preset.scaling = GetScaling(display);
@@ -1199,6 +1228,15 @@ namespace ColorControl.Services.NVIDIA
            return preset;
        }

+        private NvColorEnhancementSettings GetCurrentColorEnhancements(Display display)
+        {
+            return new NvColorEnhancementSettings
+            {
+                DigitalVibranceLevel = GetDigitalVibranceLevel(display),
+                HueAngle = GetHueAngle(display)
+            };
+        }
+
        public List<SettingItem> GetVisibleSettings()
        {
            return GetSettings().Where(s => _driverSettingIds.Contains(s.SettingId)).ToList();
@@ -1368,14 +1406,14 @@ namespace ColorControl.Services.NVIDIA
            Utils.WriteObject(_configFilename, Config);
        }

-        internal void ResolveDisplay(NvPreset preset)
+        internal Display ResolveDisplay(NvPreset preset)
        {
-            if (preset.Display != null)
+            if (preset.Display == null)
            {
-                return;
+                preset.Display = GetPresetDisplay(preset);
            }

-            preset.Display = GetPresetDisplay(preset);
+            return preset.Display;
        }
    }
 }
@@ -0,0 +1,260 @@
+using ColorControl.Shared.Common;
+using ColorControl.Shared.Forms;
+using ColorControl.Shared.Native;
+using ColorControl.Shared.XForms;
+using MHC2Gen;
+using novideo_srgb;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Windows.Forms;
+using WindowsDisplayAPI;
+
+namespace ColorControl.XForms;
+
+public enum SaveOption
+{
+    Install,
+    [Description("Install and set as default")]
+    InstallAndSetAsDefault,
+    [Description("Save to file")]
+    SaveToFile
+}
+
+public enum DisplayPrimariesSource
+{
+    Custom,
+    EDID,
+    Windows
+}
+
+public class CustomDisplay
+{
+    public Display Display { get; set; }
+
+    public string DisplayName => Display.DisplayName;
+    public string DevicePath => Display.DevicePath;
+    public bool IsHDRSupportedAndEnabled()
+    {
+        var advancedColor = CCD.GetAdvancedColorSupportedAndEnabled(DisplayName);
+
+        return advancedColor.isSupported && advancedColor.isEnabled;
+    }
+
+    public CustomDisplay(Display display)
+    {
+        Display = display;
+    }
+
+    public override string ToString()
+    {
+        return $"{FormUtils.ExtendedDisplayName(Display.DisplayName)} on {Display.Adapter.DeviceName}";
+    }
+}
+
+public class ColorPointModel : BaseViewModel
+{
+    private double _x;
+    public double X { get => _x; set { _x = value; OnPropertyChanged(); } }
+
+    private double _y;
+    public double Y { get => _y; set { _y = value; OnPropertyChanged(); } }
+
+    public ColorPointModel()
+    {
+
+    }
+
+    public ColorPointModel(CIExy coord)
+    {
+        X = coord.x;
+        Y = coord.y;
+    }
+}
+
+internal class ColorProfileViewModel : BaseViewModel
+{
+    [StringLength(30)]
+    public string Description { get; set; }
+
+    public ColorPointModel RedPoint { get; set; } = new ColorPointModel(RgbPrimaries.sRGB.Red);
+    public ColorPointModel GreenPoint { get; set; } = new ColorPointModel(RgbPrimaries.sRGB.Green);
+    public ColorPointModel BluePoint { get; set; } = new ColorPointModel(RgbPrimaries.sRGB.Blue);
+    public ColorPointModel WhitePoint { get; set; } = new ColorPointModel(RgbPrimaries.sRGB.White);
+    public Dictionary<DisplayPrimariesSource, string> PrimariesSources { get; } = Utils.EnumToDictionary<DisplayPrimariesSource>();
+    public DisplayPrimariesSource PrimariesSource { get; set; } = DisplayPrimariesSource.EDID;
+    public Dictionary<ColorGamut, string> ColorGamuts { get; } = Utils.EnumToDictionary<ColorGamut>();
+    public ColorGamut ColorGamut { get; set; } = ColorGamut.Native;
+    public Dictionary<SDRTransferFunction, string> SDRTransferFunctions { get; } = Utils.EnumToDictionary<SDRTransferFunction>();
+    public SDRTransferFunction SDRTransferFunction { get; set; } = SDRTransferFunction.PurePower;
+    [Range(0.1, 10)]
+    public double CustomGamma { get; set; } = 2.20;
+    [Range(0, 10)]
+    public double MinCLL { get; set; } = 0;
+    [Range(11, 10000)]
+    public double MaxCLL { get; set; } = 1000;
+    [Range(0, 10)]
+    public double BlackLuminance { get; set; } = 0;
+    [Range(11, 10000)]
+    public double WhiteLuminance { get; set; } = 1000;
+    [Range(0, 10)]
+    public double SDRMinBrightness { get; set; } = 0;
+    [Range(11, 1000)]
+    public double SDRMaxBrightness { get; set; } = 100;
+    [Range(-50, 50)]
+    public double SDRBrightnessBoost { get; set; }
+
+    public CustomDisplay SelectedDisplay { get; set; }
+    public IEnumerable<CustomDisplay> Displays { get; set; }
+
+    public string SelectedDisplayName => SelectedDisplay?.DisplayName;
+
+    public List<string> ExistingProfiles { get; set; }
+    public string SelectedExistingProfile { get; set; } = CreateANewProfile;
+    public string NewProfileName { get; set; }
+    public string ProfileName => SelectedExistingProfile == CreateANewProfile ? NewProfileName : SelectedExistingProfile;
+    public bool IsHDR { get; set; } = true;
+    public Dictionary<SaveOption, string> SaveOptions { get; } = Utils.EnumToDictionary<SaveOption>();
+    public SaveOption SaveOption { get; set; } = SaveOption.InstallAndSetAsDefault;
+
+
+    public override string this[string columnName]
+    {
+        get
+        {
+            var baseResult = base[columnName];
+
+            if (columnName == "SelectedDisplay" || columnName == "PrimariesSource")
+            {
+                UpdateDisplay();
+            }
+
+            return baseResult;
+        }
+    }
+
+    public override bool PreValidate()
+    {
+        return base.PreValidate() && Displays.Any();
+    }
+
+    public const string CreateANewProfile = "<create a new profile>";
+
+    public ColorProfileViewModel(bool isHDR = true)
+    {
+        IsHDR = isHDR;
+
+        RefreshDisplays();
+
+        ExistingProfiles = new List<string> { CreateANewProfile };
+        NewProfileName = $"CC_{(isHDR ? "HDR" : "SDR")}_profile_{DateTime.Now:yyyyMMddHHmmss}.icm";
+        Description = $"CC_{(isHDR ? "HDR" : "SDR")}";
+
+        if (Displays.Any())
+        {
+            SelectedDisplay = Displays.First();
+
+            UpdateDisplay();
+        }
+    }
+
+    public void RefreshDisplays()
+    {
+        Displays = Display.GetDisplays().Select(d => new CustomDisplay(d)).ToList();
+
+        if (IsHDR)
+        {
+            Displays = Displays.Where(d => d.IsHDRSupportedAndEnabled()).ToList();
+        }
+    }
+
+    private void UpdateDisplay()
+    {
+        if (SelectedDisplay == null)
+        {
+            return;
+        }
+
+        var colorParams = CCD.GetColorParams(SelectedDisplay.DisplayName);
+
+        if (colorParams.MaxLuminance > 0)
+        {
+            if (PrimariesSource == DisplayPrimariesSource.Windows)
+            {
+                var divider = colorParams.RedPointX <= 1 << 10 ? 1 << 10 : 1 << 20;
+
+                RedPoint.X = (double)colorParams.RedPointX / divider;
+                RedPoint.Y = (double)colorParams.RedPointY / divider;
+                GreenPoint.X = (double)colorParams.GreenPointX / divider;
+                GreenPoint.Y = (double)colorParams.GreenPointY / divider;
+                BluePoint.X = (double)colorParams.BluePointX / divider;
+                BluePoint.Y = (double)colorParams.BluePointY / divider;
+                WhitePoint.X = (double)colorParams.WhitePointX / divider;
+                WhitePoint.Y = (double)colorParams.WhitePointY / divider;
+            }
+
+            WhiteLuminance = (double)colorParams.MaxLuminance / 10000;
+            OnPropertyChanged(nameof(WhiteLuminance));
+            BlackLuminance = (double)colorParams.MinLuminance / 10000;
+            OnPropertyChanged(nameof(BlackLuminance));
+            MinCLL = BlackLuminance;
+            OnPropertyChanged(nameof(MinCLL));
+            MaxCLL = WhiteLuminance;
+            OnPropertyChanged(nameof(MaxCLL));
+        }
+
+        if (PrimariesSource == DisplayPrimariesSource.EDID)
+        {
+            GetEDID();
+        }
+
+        if (!CCD.GetUsePerUserDisplayProfiles(SelectedDisplay.DisplayName))
+        {
+            if (MessageForms.QuestionYesNo("To be able to select/activate a color profile, user specific settings have to be enabled. Do you want to enable this?") == DialogResult.Yes)
+            {
+                CCD.SetUsePerUserDisplayProfiles(SelectedDisplay.DisplayName, true);
+            }
+        }
+
+        ExistingProfiles = new List<string> { CreateANewProfile };
+        ExistingProfiles.AddRange(CCD.GetDisplayColorProfiles(SelectedDisplay.DisplayName));
+    }
+
+    private void GetEDID()
+    {
+        if (SelectedDisplay == null)
+        {
+            return;
+        }
+
+        var path = SelectedDisplay.DevicePath;
+
+        var edid = Novideo.GetEDID(path, null);
+        var primaries = edid?.DisplayParameters?.ChromaticityCoordinates;
+
+        if (primaries == null)
+        {
+            return;
+        }
+
+        RedPoint.X = primaries.RedX;
+        RedPoint.Y = primaries.RedY;
+        GreenPoint.X = primaries.GreenX;
+        GreenPoint.Y = primaries.GreenY;
+        BluePoint.X = primaries.BlueX;
+        BluePoint.Y = primaries.BlueY;
+        WhitePoint.X = primaries.WhiteX;
+        WhitePoint.Y = primaries.WhiteY;
+    }
+
+    internal RgbPrimaries GetDevicePrimaries()
+    {
+        return new RgbPrimaries(
+            new CIExy { x = RedPoint.X, y = RedPoint.Y },
+            new CIExy { x = GreenPoint.X, y = GreenPoint.Y },
+            new CIExy { x = BluePoint.X, y = BluePoint.Y },
+            new CIExy { x = WhitePoint.X, y = WhitePoint.Y });
+    }
+}
@@ -0,0 +1,104 @@
+<src:BaseWindow x:Class="ColorControl.XForms.ColorProfileWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        mc:Ignorable="d"
+        Title="Create Color Profile"
+        ResizeMode="CanResize"
+        Width="773"
+        Height="775"
+        WindowStartupLocation="CenterOwner"
+        SnapsToDevicePixels="True"
+        Style="{DynamicResource CustomWindowStyle}"
+        xmlns:src="clr-namespace:ColorControl.Shared.XForms;assembly=Shared" Loaded="Window_Loaded">
+    <StackPanel Margin="6,6,6,6" Width="733">
+        <GroupBox DockPanel.Dock="Top" Margin="0,0,0,0" Header="General Profile Settings" Padding="6" Height="287" Width="733" HorizontalAlignment="Left">
+            <Grid Height="270" VerticalAlignment="Center">
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="132*"/>
+                    <ColumnDefinition Width="577*"/>
+                </Grid.ColumnDefinitions>
+                <Label Content="Maximum Luminance (nits):" HorizontalAlignment="Left" Margin="206,232,0,0" VerticalAlignment="Top" Width="208" Height="26" Grid.Column="1"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="412,236,0,0" TextWrapping="Wrap" Text="{Binding WhiteLuminance, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="120"  Name="tbMaxLuminance" Height="18" InputScope="Number"/>
+                <Label Content="Minimum Luminance (nits):" HorizontalAlignment="Left" Margin="-5,232,0,0" VerticalAlignment="Top" Width="208" Height="26" Grid.ColumnSpan="2"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="76,236,0,0" TextWrapping="Wrap" Text="{Binding BlackLuminance, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="120"  x:Name="tbMinLuminance" Height="18" InputScope="Number"/>
+                <Label Content="Display:" HorizontalAlignment="Left" Margin="-6,8,0,0" VerticalAlignment="Top" Width="208" Height="26" Grid.ColumnSpan="2"/>
+                <ComboBox Margin="76,10,0,0" HorizontalAlignment="Left" Width="318" VerticalAlignment="Top" Grid.Column="1" Height="22" SelectedValue="{Binding SelectedDisplay, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" ItemsSource="{Binding Displays}"/>
+                <Label Content="Color Gamut:" HorizontalAlignment="Left" Margin="-5,201,0,0" VerticalAlignment="Top" Width="208" Height="26" Grid.ColumnSpan="2"/>
+                <ComboBox Margin="76,203,0,0" HorizontalAlignment="Left" Width="318" VerticalAlignment="Top" Grid.Column="1" Height="22" ItemsSource="{Binding ColorGamuts}" DisplayMemberPath="Value" SelectedValuePath="Key" SelectedValue="{Binding ColorGamut}" />
+                <Label Content="Display Primaries Source:" HorizontalAlignment="Left" Margin="-5,39,0,0" VerticalAlignment="Top" Width="208" Height="26" Grid.ColumnSpan="2"/>
+                <ComboBox Margin="76,41,0,0" HorizontalAlignment="Left" Width="318" VerticalAlignment="Top" Grid.Column="1" Height="24" ItemsSource="{Binding PrimariesSources}" DisplayMemberPath="Value" SelectedValuePath="Key" SelectedValue="{Binding PrimariesSource, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" />
+                <Label Content="Custom Primaries:" HorizontalAlignment="Left" Margin="-5,74,0,0" VerticalAlignment="Top" Width="118" Height="26"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="76,78,0,0" TextWrapping="Wrap" Text="{Binding RedPoint.X, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="83"  x:Name="tbSDRMinBrightness_Copy" Height="18" InputScope="Number"/>
+                <Label HorizontalContentAlignment="Right" Content="Red:" HorizontalAlignment="Left" Margin="20,74,0,0" VerticalAlignment="Top" Width="51" Height="26" Grid.Column="1"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="195,78,0,0" TextWrapping="Wrap" Text="{Binding RedPoint.Y, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="83"  x:Name="tbSDRMinBrightness_Copy1" Height="18" InputScope="Number"/>
+                <Label Content="x" HorizontalAlignment="Left" Margin="164,74,0,0" VerticalAlignment="Top" Width="26" Height="26" Grid.Column="1"/>
+                <Label Content="y" HorizontalAlignment="Center" Margin="0,74,0,0" VerticalAlignment="Top" Width="24" Height="26" Grid.Column="1"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="76,109,0,0" TextWrapping="Wrap" Text="{Binding GreenPoint.X, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="83"  x:Name="tbSDRMinBrightness_Copy2" Height="18" InputScope="Number"/>
+                <Label HorizontalContentAlignment="Right" Content="Green:" HorizontalAlignment="Left" Margin="20,105,0,0" VerticalAlignment="Top" Width="52" Height="26" Grid.Column="1"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="195,109,0,0" TextWrapping="Wrap" Text="{Binding GreenPoint.Y, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="83"  x:Name="tbSDRMinBrightness_Copy3" Height="18" InputScope="Number"/>
+                <Label Content="x" HorizontalAlignment="Left" Margin="164,105,0,0" VerticalAlignment="Top" Width="26" Height="26" Grid.Column="1"/>
+                <Label Content="y" HorizontalAlignment="Center" Margin="0,105,0,0" VerticalAlignment="Top" Width="24" Height="26" Grid.Column="1"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="76,140,0,0" TextWrapping="Wrap" Text="{Binding BluePoint.X, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="83"  x:Name="tbSDRMinBrightness_Copy4" Height="18" InputScope="Number"/>
+                <Label HorizontalContentAlignment="Right" Content="Blue:" HorizontalAlignment="Left" Margin="19,136,0,0" VerticalAlignment="Top" Width="52" Height="26" Grid.Column="1"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="195,140,0,0" TextWrapping="Wrap" Text="{Binding BluePoint.Y, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="83"  x:Name="tbSDRMinBrightness_Copy5" Height="18" InputScope="Number"/>
+                <Label Content="x" HorizontalAlignment="Left" Margin="164,136,0,0" VerticalAlignment="Top" Width="26" Height="26" Grid.Column="1"/>
+                <Label Content="y" HorizontalAlignment="Center" Margin="0,136,0,0" VerticalAlignment="Top" Width="24" Height="26" Grid.Column="1"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="76,171,0,0" TextWrapping="Wrap" Text="{Binding WhitePoint.X, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="83"  x:Name="tbSDRMinBrightness_Copy7" Height="18" InputScope="Number"/>
+                <Label HorizontalContentAlignment="Right" Content="White:" HorizontalAlignment="Left" Margin="19,167,0,0" VerticalAlignment="Top" Width="52" Height="26" Grid.Column="1"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="195,171,0,0" TextWrapping="Wrap" Text="{Binding WhitePoint.Y, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="83"  x:Name="tbSDRMinBrightness_Copy8" Height="18" InputScope="Number"/>
+                <Label Content="x" HorizontalAlignment="Left" Margin="164,167,0,0" VerticalAlignment="Top" Width="26" Height="26" Grid.Column="1"/>
+                <Label Content="y" HorizontalAlignment="Center" Margin="0,167,0,0" VerticalAlignment="Top" Width="24" Height="26" Grid.Column="1"/>
+            </Grid>
+        </GroupBox>
+        <GroupBox Header="Advanced HDR Settings" Padding="6" Height="133" Width="734" HorizontalAlignment="Left">
+            <Grid Height="103">
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="179*"/>
+                    <ColumnDefinition Width="735*"/>
+                </Grid.ColumnDefinitions>
+                <Label Content="SDR Transfer Function &amp; Gamma:" HorizontalAlignment="Left" Margin="-5,6,0,0" VerticalAlignment="Top" Width="208" Height="26" Grid.ColumnSpan="2"/>
+                <ComboBox Margin="69,8,0,0" HorizontalAlignment="Left" Width="318" VerticalAlignment="Top" Grid.Column="1" Height="22" ItemsSource="{Binding SDRTransferFunctions}" DisplayMemberPath="Value" SelectedValuePath="Key" SelectedValue="{Binding SDRTransferFunction}"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="405,10,0,0" TextWrapping="Wrap" Text="{Binding CustomGamma, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="120" x:Name="tbCustomGamma" Height="18" InputScope="Number"/>
+                <Label Content="SDR minimum brightness (nits):" HorizontalAlignment="Left" Margin="-5,37,0,0" VerticalAlignment="Top" Width="208" Height="26" Grid.ColumnSpan="2"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="69,41,0,0" TextWrapping="Wrap" Text="{Binding SDRMinBrightness, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="120"  x:Name="tbSDRMinBrightness" Height="18" InputScope="Number"/>
+                <Label Content="SDR maximum brightness (nits):" HorizontalAlignment="Left" Margin="197,37,0,0" VerticalAlignment="Top" Width="208" Height="26" Grid.Column="1"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="405,41,0,0" TextWrapping="Wrap" Text="{Binding SDRMaxBrightness, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="120"  x:Name="tbSDRMaxBrightness" Height="18" InputScope="Number"/>
+                <Label Content="SDR brightness boost (%):" HorizontalAlignment="Left" Margin="-5,64,0,0" VerticalAlignment="Top" Width="208" Height="26" Grid.ColumnSpan="2"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="69,68,0,0" TextWrapping="Wrap" Text="{Binding SDRBrightnessBoost, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="120"  x:Name="tbSDRMinBrightness_Copy6" Height="18" InputScope="Number"/>
+            </Grid>
+        </GroupBox>
+        <GroupBox Header="Advanced Profile Settings" Padding="6" Height="78" Width="734" HorizontalAlignment="Left">
+            <Grid Height="47">
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition/>
+                    <ColumnDefinition Width="4*"/>
+                </Grid.ColumnDefinitions>
+                <Label Content="MHC2 MinCLL (nits):" HorizontalAlignment="Left" Margin="-3,6,0,0" VerticalAlignment="Top" Width="208" Height="26" Grid.ColumnSpan="2"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="66,10,0,0" TextWrapping="Wrap" Text="{Binding MinCLL, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="120"  x:Name="tbMinLuminance_Copy" Height="18" InputScope="Number"/>
+                <Label Content="MHC2 MaxCLL (nits):" HorizontalAlignment="Left" Margin="201,6,0,0" VerticalAlignment="Top" Width="208" Height="26" Grid.Column="1"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="400,10,0,0" TextWrapping="Wrap" Text="{Binding MaxCLL, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="120"  x:Name="tbMinLuminance_Copy1" Height="18" InputScope="Number"/>
+            </Grid>
+        </GroupBox>
+        <GroupBox DockPanel.Dock="Right" Margin="0,0,0,0" Header="Generate Options" Padding="6" Height="197" Width="733" HorizontalAlignment="Left">
+            <Grid Height="163" Margin="-2,0,2,0">
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="8*"/>
+                    <ColumnDefinition Width="27*"/>
+                </Grid.ColumnDefinitions>
+                <Button IsEnabled="{Binding IsValid}"  Click="Button_Click" Content="Generate" Margin="46,132,0,0" HorizontalAlignment="Left" VerticalAlignment="Top" Height="20" Width="75" Grid.Column="1"/>
+                <Label Content="Overwrite existing profile:" HorizontalAlignment="Left" Margin="0,40,0,0" VerticalAlignment="Top" Width="208" Height="26" Grid.ColumnSpan="2"/>
+                <ComboBox Margin="46,42,0,0" HorizontalAlignment="Left" Width="318" VerticalAlignment="Top" Grid.Column="1" Height="22" SelectedValue="{Binding SelectedExistingProfile}" ItemsSource="{Binding ExistingProfiles}"/>
+                <Label Content="New profile name:" HorizontalAlignment="Left" Margin="0,73,0,0" VerticalAlignment="Top" Width="208" Height="26" Grid.ColumnSpan="2"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="46,77,0,0" TextWrapping="Wrap" Text="{Binding NewProfileName}" VerticalAlignment="Top" Width="318" x:Name="tbName" Height="18"/>
+                <Label Content="Save option:" HorizontalAlignment="Left" Margin="0,8,0,0" VerticalAlignment="Top" Width="208" Height="26" Grid.ColumnSpan="2"/>
+                <ComboBox Margin="46,10,0,0" HorizontalAlignment="Left" Width="318" VerticalAlignment="Top" Grid.Column="1" Height="22" ItemsSource="{Binding SaveOptions}" DisplayMemberPath="Value" SelectedValuePath="Key" SelectedValue="{Binding SaveOption}" />
+                <Label Content="Description:" HorizontalAlignment="Left" Margin="0,101,0,0" VerticalAlignment="Top" Width="208" Height="26" Grid.ColumnSpan="2"/>
+                <TextBox Grid.Column="1" HorizontalAlignment="Left" Margin="46,105,0,0" TextWrapping="Wrap" Text="{Binding Description, NotifyOnValidationError=True, ValidatesOnDataErrors=True}" VerticalAlignment="Top" Width="318" x:Name="tbName_Copy" Height="18"/>
+            </Grid>
+        </GroupBox>
+        <StackPanel HorizontalAlignment="Right" Margin="0,6,0,0" VerticalAlignment="Bottom"/>
+        <Button Click="Close_Click" IsCancel="True" Content="Close" Width="75" HorizontalAlignment="Right" VerticalAlignment="Bottom"/>
+    </StackPanel>
+</src:BaseWindow>
@@ -0,0 +1,152 @@
+using ColorControl.Shared.Forms;
+using ColorControl.Shared.Native;
+using ColorControl.Shared.Services;
+using ColorControl.Shared.XForms;
+using MHC2Gen;
+using Microsoft.Extensions.DependencyInjection;
+using System;
+using System.ComponentModel;
+using System.IO;
+using System.Linq;
+using System.Windows;
+using System.Windows.Forms.Integration;
+using System.Windows.Navigation;
+
+namespace ColorControl.XForms
+{
+    public partial class ColorProfileWindow : BaseWindow
+    {
+        private ColorProfileViewModel _viewModel;
+        private readonly WinApiAdminService _winApiAdminService;
+
+        public ColorProfileWindow(WinApiAdminService winApiAdminService)
+        {
+            _viewModel = new ColorProfileViewModel();
+
+            DataContext = _viewModel;
+            InitializeComponent();
+            _winApiAdminService = winApiAdminService;
+        }
+
+        private void OnRequestNavigate(object sender, RequestNavigateEventArgs e)
+        {
+            var processStartInfo = new System.Diagnostics.ProcessStartInfo(e.Uri.AbsoluteUri)
+            {
+                UseShellExecute = true,
+            };
+            System.Diagnostics.Process.Start(processStartInfo);
+        }
+
+        public static void CreateAndShow(bool show = true)
+        {
+            if (Application.Current == null)
+            {
+                new Application();
+            }
+
+            var window = Program.ServiceProvider.GetRequiredService<ColorProfileWindow>();
+
+            if (show)
+            {
+                ElementHost.EnableModelessKeyboardInterop(window);
+                window.WindowState = WindowState.Normal;
+                window.Show();
+                window.Topmost = true;
+                window.Topmost = false;
+            }
+        }
+
+        protected override void OnClosed(EventArgs e)
+        {
+            base.OnClosed(e);
+        }
+
+        protected override void OnClosing(CancelEventArgs e)
+        {
+            //e.Cancel = true;
+
+            //Hide();
+        }
+
+        protected override void OnStateChanged(EventArgs e)
+        {
+            if (WindowState == WindowState.Minimized)
+            {
+                Close();
+            }
+
+            base.OnStateChanged(e);
+        }
+
+        private void Close_Click(object sender, RoutedEventArgs e)
+        {
+            Close();
+        }
+
+        private void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            if (!_viewModel.Displays.Any())
+            {
+                MessageForms.WarningOk("There are no displays available that support HDR and have it enabled. Please activate HDR first.");
+            }
+        }
+
+        private void Button_Click(object sender, RoutedEventArgs e)
+        {
+            var command = new GenerateProfileCommand
+            {
+                Description = _viewModel.Description,
+                MinCLL = _viewModel.MinCLL,
+                MaxCLL = _viewModel.MaxCLL,
+                BlackLuminance = _viewModel.BlackLuminance,
+                WhiteLuminance = _viewModel.WhiteLuminance,
+                SDRMinBrightness = _viewModel.SDRMinBrightness,
+                SDRMaxBrightness = _viewModel.SDRMaxBrightness,
+                SDRTransferFunction = _viewModel.SDRTransferFunction,
+                SDRBrightnessBoost = _viewModel.SDRBrightnessBoost,
+                ColorGamut = _viewModel.ColorGamut,
+                Gamma = _viewModel.CustomGamma,
+                DevicePrimaries = _viewModel.GetDevicePrimaries(),
+            };
+
+            var bytes = MHC2Wrapper.GenerateSdrAcmProfile(command);
+
+            if (_viewModel.SaveOption == SaveOption.SaveToFile)
+            {
+                var saveFileDialog = new System.Windows.Forms.SaveFileDialog
+                {
+                    FileName = _viewModel.NewProfileName
+                };
+                if (saveFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
+                {
+                    File.WriteAllBytes(saveFileDialog.FileName, bytes);
+                }
+                return;
+            }
+
+            var tempFilename = Path.GetFullPath(_viewModel.ProfileName, Path.GetTempPath());
+
+            if (File.Exists(tempFilename))
+            {
+                File.Delete(tempFilename);
+            }
+
+            File.WriteAllBytes(tempFilename, bytes);
+
+            _winApiAdminService.UninstallColorProfile(tempFilename);
+
+            CCD.InstallColorProfile(tempFilename);
+
+            if (_viewModel.SaveOption != SaveOption.InstallAndSetAsDefault)
+            {
+                return;
+            }
+
+            var displayName = _viewModel.SelectedDisplayName;
+
+            var profileName = Path.GetFileName(tempFilename);
+
+            CCD.SetDisplayDefaultColorProfile(displayName, profileName);
+        }
+    }
+}
@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LittleCms
+{
+    public class CmsContext
+    {
+        public IntPtr Handle { get; }
+        public bool OwnedByGC { get; private set; }
+
+
+        static readonly ConcurrentDictionary<IntPtr, CmsContext> GCOwnedContext = new();
+
+        public static CmsContext Default { get; } = new CmsContext(IntPtr.Zero, false);
+
+
+        private void MoveToGC()
+        {
+            OwnedByGC = true;
+
+            GCOwnedContext.TryAdd(Handle, this);
+        }
+
+        public CmsContext() {
+            Handle = CmsNative.cmsCreateContext(IntPtr.Zero, IntPtr.Zero);
+            MoveToGC();
+        }
+
+        private CmsContext(IntPtr handle, bool moveOwnership){
+            Handle = handle;
+            if (moveOwnership)
+            {
+                MoveToGC();
+            }
+        }
+
+        public static CmsContext GetFromHandle(IntPtr handle, bool moveOwnership = false)
+        {
+            if (handle == IntPtr.Zero) return Default;
+            if (GCOwnedContext.TryGetValue(handle, out var x)) return x;
+            return new CmsContext(handle, moveOwnership);
+        }
+
+        public double SetAdaptionState(double state)
+        {
+            return CmsNative.cmsSetAdaptationStateTHR(Handle, state);
+        }
+
+
+        ~CmsContext()
+        {
+            if (OwnedByGC && Handle != IntPtr.Zero )
+            {
+                if (GCOwnedContext.TryRemove(new(Handle, this))) {
+                    CmsNative.cmsDeleteContext(Handle);
+                }
+            }
+        }
+    }
+}
@@ -0,0 +1,539 @@
+using System;
+
+#pragma warning disable CS0649
+#pragma warning disable CS0169
+
+namespace LittleCms
+{
+    public enum TagSignature
+    {
+        AToB0Tag = 0x41324230,  // 'A2B0'
+        AToB1Tag = 0x41324231,  // 'A2B1'
+        AToB2Tag = 0x41324232,  // 'A2B2'
+        BlueColorantTag = 0x6258595A,  // 'bXYZ'
+        BlueMatrixColumnTag = 0x6258595A,  // 'bXYZ'
+        BlueTRCTag = 0x62545243,  // 'bTRC'
+        BToA0Tag = 0x42324130,  // 'B2A0'
+        BToA1Tag = 0x42324131,  // 'B2A1'
+        BToA2Tag = 0x42324132,  // 'B2A2'
+        CalibrationDateTimeTag = 0x63616C74,  // 'calt'
+        CharTargetTag = 0x74617267,  // 'targ'
+        ChromaticAdaptationTag = 0x63686164,  // 'chad'
+        ChromaticityTag = 0x6368726D,  // 'chrm'
+        ColorantOrderTag = 0x636C726F,  // 'clro'
+        ColorantTableTag = 0x636C7274,  // 'clrt'
+        ColorantTableOutTag = 0x636C6F74,  // 'clot'
+        ColorimetricIntentImageStateTag = 0x63696973,  // 'ciis'
+        CopyrightTag = 0x63707274,  // 'cprt'
+        CrdInfoTag = 0x63726469,  // 'crdi'
+        DataTag = 0x64617461,  // 'data'
+        DateTimeTag = 0x6474696D,  // 'dtim'
+        DeviceMfgDescTag = 0x646D6E64,  // 'dmnd'
+        DeviceModelDescTag = 0x646D6464,  // 'dmdd'
+        DeviceSettingsTag = 0x64657673,  // 'devs'
+        DToB0Tag = 0x44324230,  // 'D2B0'
+        DToB1Tag = 0x44324231,  // 'D2B1'
+        DToB2Tag = 0x44324232,  // 'D2B2'
+        DToB3Tag = 0x44324233,  // 'D2B3'
+        BToD0Tag = 0x42324430,  // 'B2D0'
+        BToD1Tag = 0x42324431,  // 'B2D1'
+        BToD2Tag = 0x42324432,  // 'B2D2'
+        BToD3Tag = 0x42324433,  // 'B2D3'
+        GamutTag = 0x67616D74,  // 'gamt'
+        GrayTRCTag = 0x6b545243,  // 'kTRC'
+        GreenColorantTag = 0x6758595A,  // 'gXYZ'
+        GreenMatrixColumnTag = 0x6758595A,  // 'gXYZ'
+        GreenTRCTag = 0x67545243,  // 'gTRC'
+        LuminanceTag = 0x6C756d69,  // 'lumi'
+        MeasurementTag = 0x6D656173,  // 'meas'
+        MediaBlackPointTag = 0x626B7074,  // 'bkpt'
+        MediaWhitePointTag = 0x77747074,  // 'wtpt'
+        MHC2 = 0x4D484332,  // 'MHC2'
+        NamedColorTag = 0x6E636f6C,  // 'ncol' // Deprecated by the ICC
+        NamedColor2Tag = 0x6E636C32,  // 'ncl2'
+        OutputResponseTag = 0x72657370,  // 'resp'
+        PerceptualRenderingIntentGamutTag = 0x72696730,  // 'rig0'
+        Preview0Tag = 0x70726530,  // 'pre0'
+        Preview1Tag = 0x70726531,  // 'pre1'
+        Preview2Tag = 0x70726532,  // 'pre2'
+        ProfileDescriptionTag = 0x64657363,  // 'desc'
+        ProfileDescriptionMLTag = 0x6473636d,  // 'dscm'
+        ProfileSequenceDescTag = 0x70736571,  // 'pseq'
+        ProfileSequenceIdTag = 0x70736964,  // 'psid'
+        Ps2CRD0Tag = 0x70736430,  // 'psd0'
+        Ps2CRD1Tag = 0x70736431,  // 'psd1'
+        Ps2CRD2Tag = 0x70736432,  // 'psd2'
+        Ps2CRD3Tag = 0x70736433,  // 'psd3'
+        Ps2CSATag = 0x70733273,  // 'ps2s'
+        Ps2RenderingIntentTag = 0x70733269,  // 'ps2i'
+        RedColorantTag = 0x7258595A,  // 'rXYZ'
+        RedMatrixColumnTag = 0x7258595A,  // 'rXYZ'
+        RedTRCTag = 0x72545243,  // 'rTRC'
+        SaturationRenderingIntentGamutTag = 0x72696732,  // 'rig2'
+        ScreeningDescTag = 0x73637264,  // 'scrd'
+        ScreeningTag = 0x7363726E,  // 'scrn'
+        TechnologyTag = 0x74656368,  // 'tech'
+        UcrBgTag = 0x62666420,  // 'bfd '
+        ViewingCondDescTag = 0x76756564,  // 'vued'
+        ViewingConditionsTag = 0x76696577,  // 'view'
+        VcgtTag = 0x76636774,  // 'vcgt'
+        MetaTag = 0x6D657461,  // 'meta'
+        ArgyllArtsTag = 0x61727473   // 'arts'
+    }
+
+    /// <summary>
+    /// ICC Color spaces
+    /// </summary>
+    public enum ColorSpaceSignature
+    {
+        XYZ = 0x58595A20,  // 'XYZ '
+        Lab = 0x4C616220,  // 'Lab '
+        Luv = 0x4C757620,  // 'Luv '
+        YCbCr = 0x59436272,  // 'YCbr'
+        Yxy = 0x59787920,  // 'Yxy '
+        Rgb = 0x52474220,  // 'RGB '
+        Gray = 0x47524159,  // 'GRAY'
+        Hsv = 0x48535620,  // 'HSV '
+        Hls = 0x484C5320,  // 'HLS '
+        Cmyk = 0x434D594B,  // 'CMYK'
+        Cmy = 0x434D5920,  // 'CMY '
+        MCH1 = 0x4D434831,  // 'MCH1'
+        MCH2 = 0x4D434832,  // 'MCH2'
+        MCH3 = 0x4D434833,  // 'MCH3'
+        MCH4 = 0x4D434834,  // 'MCH4'
+        MCH5 = 0x4D434835,  // 'MCH5'
+        MCH6 = 0x4D434836,  // 'MCH6'
+        MCH7 = 0x4D434837,  // 'MCH7'
+        MCH8 = 0x4D434838,  // 'MCH8'
+        MCH9 = 0x4D434839,  // 'MCH9'
+        MCHA = 0x4D434841,  // 'MCHA'
+        MCHB = 0x4D434842,  // 'MCHB'
+        MCHC = 0x4D434843,  // 'MCHC'
+        MCHD = 0x4D434844,  // 'MCHD'
+        MCHE = 0x4D434845,  // 'MCHE'
+        MCHF = 0x4D434846,  // 'MCHF'
+        Named = 0x6e6d636c,  // 'nmcl'
+        MultiColor1 = 0x31434C52,  // '1CLR'
+        MultiColor2 = 0x32434C52,  // '2CLR'
+        MultiColor3 = 0x33434C52,  // '3CLR'
+        MultiColor4 = 0x34434C52,  // '4CLR'
+        MultiColor5 = 0x35434C52,  // '5CLR'
+        MultiColor6 = 0x36434C52,  // '6CLR'
+        MultiColor7 = 0x37434C52,  // '7CLR'
+        MultiColor8 = 0x38434C52,  // '8CLR'
+        MultiColor9 = 0x39434C52,  // '9CLR'
+        MultiColor10 = 0x41434C52,  // 'ACLR'
+        MultiColor11 = 0x42434C52,  // 'BCLR'
+        MultiColor12 = 0x43434C52,  // 'CCLR'
+        MultiColor13 = 0x44434C52,  // 'DCLR'
+        MultiColor14 = 0x45434C52,  // 'ECLR'
+        MultiColor15 = 0x46434C52,  // 'FCLR'
+        LuvK = 0x4C75764B   // 'LuvK'
+    }
+
+    /// <summary>
+    /// ICC Profile Class
+    /// </summary>
+    public enum ProfileClassSignature
+    {
+        Input = 0x73636E72,  // 'scnr'
+        Display = 0x6D6E7472,  // 'mntr'
+        Output = 0x70727472,  // 'prtr'
+        Link = 0x6C696E6B,  // 'link'
+        Abstract = 0x61627374,  // 'abst'
+        ColorSpace = 0x73706163,  // 'spac'
+        NamedColor = 0x6e6d636c   // 'nmcl'
+
+    }
+    public struct CIEXYZ
+    {
+        public double X;
+        public double Y;
+        public double Z;
+
+        public static CIEXYZ operator +(in CIEXYZ a, in CIEXYZ b)
+        {
+            return new()
+            {
+                X = a.X + b.X,
+                Y = a.Y + b.Y,
+                Z = a.Z + b.Z
+            };
+        }
+
+        public static CIEXYZ operator -(in CIEXYZ a, in CIEXYZ b)
+        {
+            return new()
+            {
+                X = a.X - b.X,
+                Y = a.Y - b.Y,
+                Z = a.Z - b.Z
+            };
+        }
+
+        public static CIEXYZ operator -(in CIEXYZ a)
+        {
+            return new()
+            {
+                X = -a.X,
+                Y = -a.Y,
+                Z = -a.Z
+            };
+        }
+    }
+
+    public struct CIExyY
+    {
+        public double x;
+        public double y;
+        public double Y;
+    }
+    public enum InfoType
+    {
+        Description = 0,
+        Manufacturer = 1,
+        Model = 2,
+        Copyright = 3
+    }
+
+    public enum ProfileUsedDirection
+    {
+        AsInput = 0,
+        AsOutput = 1,
+        AsProof = 2,
+    }
+
+    public struct CIEXYZTRIPLE
+    {
+        public CIEXYZ Red;
+        public CIEXYZ Green;
+        public CIEXYZ Blue;
+    }
+
+    public struct CIExyYTRIPLE
+    {
+        public CIExyY Red;
+        public CIExyY Green;
+        public CIExyY Blue;
+    }
+
+    public struct ICCData
+    {
+        public uint Flag;
+        public Memory<byte> Data;
+    }
+
+    internal struct _ICCDataHeader
+    {
+        public uint len;
+        public uint flag;
+    }
+
+    internal unsafe struct _ICCData
+    {
+        public uint len;
+        public uint flag;
+        public fixed byte data[1];
+
+        internal static unsafe ICCData ToManaged(_ICCData* ptr)
+        {
+            var result = new ICCData();
+            result.Flag = ptr->flag;
+            result.Data = new ReadOnlySpan<byte>(ptr->data, (int)ptr->len).ToArray();
+            return result;
+        }
+    }
+
+    public struct CIELab
+    {
+        public double L;
+        public double a;
+        public double b;
+    }
+
+    public struct CIELCh
+    {
+        public double L;
+        public double C;
+        public double h;
+    }
+
+    public struct JCh
+    {
+        public double J;
+        public double C;
+        public double h;
+    }
+
+    public enum IlluminantType
+    {
+        UNKNOWN = 0x0000000,
+        D50 = 0x0000001,
+        D65 = 0x0000002,
+        D93 = 0x0000003,
+        F2 = 0x0000004,
+        D55 = 0x0000005,
+        A = 0x0000006,
+        E = 0x0000007,
+        F8 = 0x0000008,
+    }
+
+    public struct ICCMeasurementConditions
+    {
+        public uint Observer;    // 0 = unknown, 1=CIE 1931, 2=CIE 1964
+        public CIEXYZ Backing;     // Value of backing
+        public uint Geometry;    // 0=unknown, 1=45/0, 0/45 2=0d, d/0
+        public double Flare;       // 0..1.0
+        public IlluminantType IlluminantType;
+
+    }
+
+    public struct ICCViewingConditions
+    {
+        public CIEXYZ IlluminantXYZ;   // Not the same struct as CAM02,
+        public CIEXYZ SurroundXYZ;     // This is for storing the tag
+        public IlluminantType IlluminantType;  // viewing condition
+    }
+
+    public enum HeaderFlags
+    {
+        EmbeddedProfile = 1,
+        UseWithEmbeddedDataOnly = 2
+    }
+
+    internal struct CmsStructTm
+    {
+        public int tm_sec;   // seconds after the minute - [0, 60] including leap second
+        public int tm_min;   // minutes after the hour - [0, 59]
+        public int tm_hour;  // hours since midnight - [0, 23]
+        public int tm_mday;  // day of the month - [1, 31]
+        public int tm_mon;   // months since January - [0, 11]
+        public int tm_year;  // years since 1900
+        public int tm_wday;  // days since Sunday - [0, 6]
+        public int tm_yday;  // days since January 1 - [0, 365]
+        public int tm_isdst; // daylight savings time flag
+
+        public DateTime ToDateTime() => new DateTime(tm_year, tm_mon + 1, tm_mday, tm_hour, tm_min, tm_sec);
+
+        public static CmsStructTm FromDateTime(DateTime d)
+        {
+            return new CmsStructTm
+            {
+                tm_year = d.Year,
+                tm_mon = d.Month - 1,
+                tm_mday = d.Day,
+                tm_hour = d.Hour,
+                tm_min = d.Minute,
+                tm_sec = d.Second,
+                tm_wday = (int)d.DayOfWeek,
+                tm_yday = d.DayOfYear,
+                tm_isdst = d.IsDaylightSavingTime() ? 1 : 0
+            };
+        }
+    }
+
+    public enum SpotShape
+    {
+        Unknown = 0,
+        PrinterDefault = 1,
+        Round = 2,
+        Diamond = 3,
+        Ellipse = 4,
+        Line = 5,
+        Square = 6,
+        Cross = 7,
+    }
+
+    public struct cmsScreeningChannel
+    {
+        public double Frequency;
+        public double ScreenAngle;
+        public SpotShape SpotShape;
+    }
+
+
+    /// <summary>
+    /// Where to place/locate the stages in the pipeline chain
+    /// </summary>
+    public enum StageLoc
+    {
+        AtBegin,
+        AtEnd,
+    }
+
+    /// <summary>
+    /// Multi process elements types
+    /// </summary>
+    public enum StageSignature
+    {
+        CurveSetElemType = 0x63767374,  //'cvst'
+        MatrixElemType = 0x6D617466,  //'matf'
+        CLutElemType = 0x636C7574,  //'clut'
+
+        BAcsElemType = 0x62414353,  // 'bACS'
+        EAcsElemType = 0x65414353,  // 'eACS'
+
+        // Custom from here, not in the ICC Spec
+        XYZ2LabElemType = 0x6C327820,  // 'l2x '
+        Lab2XYZElemType = 0x78326C20,  // 'x2l '
+        NamedColorElemType = 0x6E636C20,  // 'ncl '
+        LabV2toV4 = 0x32203420,  // '2 4 '
+        LabV4toV2 = 0x34203220,  // '4 2 '
+
+        // Identities
+        IdentityElemType = 0x69646E20,  // 'idn '
+
+        // Float to floatPCS
+        Lab2FloatPCS = 0x64326C20,  // 'd2l '
+        FloatPCS2Lab = 0x6C326420,  // 'l2d '
+        XYZ2FloatPCS = 0x64327820,  // 'd2x '
+        FloatPCS2XYZ = 0x78326420,  // 'x2d '  
+        ClipNegativesElemType = 0x636c7020   // 'clp '
+    }
+
+    public struct cmsViewingConditions
+    {
+        public const int AVG_SURROUND = 1;
+        public const int DIM_SURROUND = 2;
+        public const int DARK_SURROUND = 3;
+        public const int CUTSHEET_SURROUND = 4;
+
+        public const double D_CALCULATE = (-1);
+
+        public CIEXYZ whitePoint;
+        public double Yb;
+        public double La;
+        public uint surround;
+        public double D_value;
+    }
+
+    public enum CmsError
+    {
+        UNDEFINED = 0,
+        FILE = 1,
+        RANGE = 2,
+        INTERNAL = 3,
+        NULL = 4,
+        READ = 5,
+        SEEK = 6,
+        WRITE = 7,
+        UNKNOWN_EXTENSION = 8,
+        COLORSPACE_CHECK = 9,
+        ALREADY_DEFINED = 10,
+        BAD_SIGNATURE = 11,
+        CORRUPTION_DETECTED = 12,
+        NOT_SUITABLE = 13,
+    }
+
+    public enum RenderingIntent
+    {
+        // ICC Intents
+        PERCEPTUAL = 0,
+        RELATIVE_COLORIMETRIC = 1,
+        SATURATION = 2,
+        ABSOLUTE_COLORIMETRIC = 3,
+        // Non-ICC intents
+        PRESERVE_K_ONLY_PERCEPTUAL = 10,
+        PRESERVE_K_ONLY_RELATIVE_COLORIMETRIC = 11,
+        PRESERVE_K_ONLY_SATURATION = 12,
+        PRESERVE_K_PLANE_PERCEPTUAL = 13,
+        PRESERVE_K_PLANE_RELATIVE_COLORIMETRIC = 14,
+        PRESERVE_K_PLANE_SATURATION = 15,
+    }
+
+    public enum TransformFlags
+    {
+        NOCACHE = 0x0040,   // Inhibit 1-pixel cache
+        NOOPTIMIZE = 0x0100,   // Inhibit optimizations
+        NULLTRANSFORM = 0x0200,   // Don't transform anyway
+
+        // Proofing flags
+        GAMUTCHECK = 0x1000,   // Out of Gamut alarm
+        SOFTPROOFING = 0x4000,   // Do softproofing
+
+        // Misc
+        BLACKPOINTCOMPENSATION = 0x2000,
+        NOWHITEONWHITEFIXUP = 0x0004,   // Don't fix scum dot
+        HIGHRESPRECALC = 0x0400,   // Use more memory to give better accuracy
+        LOWRESPRECALC = 0x0800,   // Use less memory to minimize resources
+
+        // For devicelink creation
+        DEVICELINK_8BITS = 0x0008,   // Create 8 bits devicelinks
+        GUESSDEVICECLASS = 0x0020,   // Guess device class (for transform2devicelink)
+        KEEP_SEQUENCE = 0x0080,   // Keep profile sequence for devicelink creation
+
+        // Specific to a particular optimizations
+        FORCE_CLUT = 0x0002,   // Force CLUT optimization
+        CLUT_POST_LINEARIZATION = 0x0001,   // create postlinearization tables if possible
+        CLUT_PRE_LINEARIZATION = 0x0010,   // create prelinearization tables if possible
+
+        // Specific to unbounded mode
+        NONEGATIVES = 0x8000,    // Prevent negative numbers in floating point transforms
+
+        // Copy alpha channels when transforming      
+        COPY_ALPHA = 0x04000000,
+
+        // Fine-tune control over number of gridpoints
+        // #define cmsFLAGS_GRIDPOINTS(n)           (((n) & 0xFF) << 16)
+
+        // CRD special
+        NODEFAULTRESOURCEDEF = 0x01000000
+    }
+
+    public enum PSResourceType
+    {
+        CSA,
+        CRD
+    }
+
+    public enum PixelType
+    {
+        /// <summary>
+        /// Don't check colorspace
+        /// </summary>
+        ANY = 0,
+
+        // 1 & 2 are reserved
+
+        GRAY = 3,
+        RGB = 4,
+        CMY = 5,
+        CMYK = 6,
+        YCbCr = 7,
+
+        /// <summary>
+        /// Lu'v'
+        /// </summary>
+        YUV = 8,
+
+        XYZ = 9,
+        Lab = 10,
+
+        /// <summary>
+        /// Lu'v'K
+        /// </summary>
+        YUVK = 11,
+
+        HSV = 12,
+        HLS = 13,
+        Yxy = 14,
+        MCH1 = 15,
+        MCH2 = 16,
+        MCH3 = 17,
+        MCH4 = 18,
+        MCH5 = 19,
+        MCH6 = 20,
+        MCH7 = 21,
+        MCH8 = 22,
+        MCH9 = 23,
+        MCH10 = 24,
+        MCH11 = 25,
+        MCH12 = 26,
+        MCH13 = 27,
+        MCH14 = 28,
+        MCH15 = 29,
+        LabV2 = 30,
+    }
+}
+
+
@@ -0,0 +1,84 @@
+using System;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading;
+
+namespace LittleCms
+{
+    public class CmsException : Exception
+    {
+        public CmsError CmsError { get; }
+        public CmsException() : base("Error occurred in lcms2") { CmsError = CmsError.UNDEFINED; }
+        public CmsException(CmsError code, string message) : base(message) { CmsError = code; }
+    }
+
+    partial class CmsNative
+    {
+        private static readonly ThreadLocal<CmsException?> LastError;
+        static CmsNative()
+        {
+            var libver = cmsGetEncodedCMMversion();
+            if (libver != LCMS_VERSION)
+            {
+                throw new TypeLoadException("lcms2 version mismatch");
+            }
+            LastError = new();
+            cmsSetLogErrorHandler(ErrorCallback);
+        }
+
+        private static void ErrorCallback(IntPtr ContextID, CmsError ErrorCode, string Text)
+        {
+            LastError.Value = new(ErrorCode, Text);
+        }
+
+        private static void ThrowLastTlsError()
+        {
+            if (LastError.IsValueCreated && LastError.Value != null)
+            {
+                var ex = LastError.Value;
+                LastError.Value = null;
+                throw ex;
+            }
+            else
+            {
+                throw new CmsException();
+            }
+        }
+
+        public static uint CheckError(uint value)
+        {
+            if (value == 0)
+            {
+                ThrowLastTlsError();
+            }
+            return value;
+        }
+
+        public static void CheckError(bool value)
+        {
+            if (!value)
+            {
+                ThrowLastTlsError();
+            }
+        }
+
+        public static IntPtr CheckError(IntPtr value)
+        {
+            if (value == IntPtr.Zero)
+            {
+                ThrowLastTlsError();
+            }
+            return value;
+        }
+
+        public unsafe static void* CheckError(void* value)
+        {
+            if (value == null)
+            {
+                ThrowLastTlsError();
+            }
+            return value;
+        }
+    }
+}
@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LittleCms
+{
+    public static class CmsExtension
+    {
+
+        public static CIExyY ToCIExyY(this CIEXYZ xyz)
+        {
+            return new CIExyY { x = xyz.X / (xyz.X + xyz.Y + xyz.Z), y = xyz.Y / (xyz.X + xyz.Y + xyz.Z), Y = xyz.Y };
+        }
+        public static CIExyY ToXY(this CIEXYZ xyz)
+        {
+            var sum = xyz.X + xyz.Y + xyz.Z;
+            return new() { x = xyz.X / sum, y = xyz.Y / sum, Y = 1 };
+        }
+
+        public static CIEXYZ ToXYZ(this CIExyY xyY)
+        {
+            return new() { X = xyY.x * xyY.Y / xyY.y, Y = xyY.Y, Z = (1 - xyY.x - xyY.y) * xyY.Y / xyY.y };
+        }
+
+        public static int GetChannelCount(this ColorSpaceSignature sig)
+        {
+            return (int)CmsNative.cmsChannelsOf(sig);
+        }
+
+
+    }
+}
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace LittleCms
+{
+    public class CmsGlobal
+    {
+
+        public static CIEXYZ D50XYZ { get; } = CmsNative.cmsD50_XYZ();
+        public static CIExyY D50xyY { get; } =  CmsNative.cmsD50_xyY();
+
+
+        public unsafe static CIEXYZ AdaptToIlluminant(in CIEXYZ SourceWhitePt, in CIEXYZ Illuminant, in CIEXYZ Value)
+        {
+            CmsNative.CheckError(CmsNative.cmsAdaptToIlluminant(out var result, SourceWhitePt, Illuminant, Value));
+            return result;
+        }
+    }
+}
@@ -0,0 +1,958 @@
+using LittleCms;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+
+#pragma warning disable CS0649
+#pragma warning disable CS0169
+
+namespace LittleCms
+{
+    internal unsafe partial class CmsNative
+    {
+        private const int LCMS_VERSION = 2131;
+        private const string LIB = "lcms2";
+
+        public static readonly Encoding WcharEncoding = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? Encoding.Unicode : Encoding.UTF32;
+
+        // Get LittleCMS version (for shared objects) -----------------------------------------------------------------------------
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern int cmsGetEncodedCMMversion();
+
+
+        // Context handling --------------------------------------------------------------------------------------------------------
+
+        // Each context holds its owns globals and its own plug-ins. There is a global context with the id = 0 for lecacy compatibility
+        // though using the global context is not recommended. Proper context handling makes lcms more thread-safe.
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateContext(IntPtr Plugin, IntPtr UserData);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsDeleteContext(IntPtr ContextID);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsDupContext(IntPtr ContextID, IntPtr NewUserData);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsGetContextUserData(IntPtr ContextID);
+
+        // Plug-In registering  --------------------------------------------------------------------------------------------------
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsPlugin(void* Plugin);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsPluginTHR(IntPtr ContextID, void* Plugin);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsUnregisterPlugins();
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsUnregisterPluginsTHR(IntPtr ContextID);
+
+        // Error logging ----------------------------------------------------------------------------------------------------------
+
+        // There is no error handling at all. When a function fails, it returns proper value.
+        // For example, all create functions does return NULL on failure. Other may return FALSE.
+        // It may be interesting, for the developer, to know why the function is failing.
+        // for that reason, lcms2 does offer a logging function. This function will get
+        // an ENGLISH string with some clues on what is going wrong. You can show this
+        // info to the end user if you wish, or just create some sort of log on disk.
+        // The logging function should NOT terminate the program, as this obviously can leave
+        // unfreed resources. It is the programmer's responsibility to check each function
+        // return code to make sure it didn't fail.
+
+
+        // Error logger is called with the ContextID when a message is raised. This gives the
+        // chance to know which thread is responsible of the warning and any environment associated
+        // with it. Non-multithreading applications may safely ignore this parameter.
+        // Note that under certain special circumstances, ContextID may be NULL.
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate void cmsLogErrorHandlerFunction(IntPtr ContextID, CmsError ErrorCode, [In, MarshalAs(UnmanagedType.LPStr)] string Text);
+
+        // Allows user to set any specific logger
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsSetLogErrorHandler(cmsLogErrorHandlerFunction Fn);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsSetLogErrorHandlerTHR(IntPtr ContextID, cmsLogErrorHandlerFunction Fn);
+
+        // Returns pointers to constant structs
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern ref readonly CIEXYZ cmsD50_XYZ();
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern ref readonly CIExyY cmsD50_xyY();
+
+        // Colorimetric space conversions
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsXYZ2xyY(out CIExyY Dest, in CIEXYZ Source);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsxyY2XYZ(CIEXYZ* Dest, in CIExyY Source);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsXYZ2Lab(in CIEXYZ WhitePoint, out CIELab Lab, in CIEXYZ xyz);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsLab2XYZ(in CIEXYZ WhitePoint, out CIEXYZ xyz, in CIELab Lab);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsLab2LCh(out CIELCh LCh, in CIELab Lab);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsLCh2Lab(out CIELab Lab, in CIELCh LCh);
+
+        // Encoding /Decoding on PCS
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsLabEncoded2Float(out CIELab Lab, in ushort wLab_3);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsLabEncoded2FloatV2(out CIELab Lab, in ushort wLab_3);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsFloat2LabEncoded(out ushort wLab_3, in CIELab Lab);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsFloat2LabEncodedV2(out ushort wLab_3, in CIELab Lab);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsXYZEncoded2Float(out CIEXYZ fxyz, in ushort XYZ_3);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsFloat2XYZEncoded(out ushort XYZ_3, in CIEXYZ fXYZ);
+
+
+        // DeltaE metrics
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern double cmsDeltaE(in CIELab Lab1, in CIELab Lab2);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern double cmsCIE94DeltaE(in CIELab Lab1, in CIELab Lab2);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern double cmsBFDdeltaE(in CIELab Lab1, in CIELab Lab2);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern double cmsCMCdeltaE(in CIELab Lab1, in CIELab Lab2, double l, double c);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern double cmsCIE2000DeltaE(in CIELab Lab1, in CIELab Lab2, double Kl, double Kc, double Kh);
+
+        // Temperature <-> Chromaticity (Black body)
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsWhitePointFromTemp(out CIExyY WhitePoint, double TempK);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsTempFromWhitePoint(double* TempK, in CIExyY WhitePoint);
+
+        // Chromatic adaptation
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsAdaptToIlluminant(out CIEXYZ Result, in CIEXYZ SourceWhitePt,
+                                                                                   in CIEXYZ Illuminant,
+                                                                                   in CIEXYZ Value);
+
+        // CIECAM02 ---------------------------------------------------------------------------------------------------
+
+        // Viewing conditions. Please note those are CAM model viewing conditions, and not the ICC tag viewing
+        // conditions, which I'm naming cmsICCViewingConditions to make differences evident. Unfortunately, the tag
+        // cannot deal with surround La, Yb and D value so is basically useless to store CAM02 viewing conditions.
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCIECAM02Init(IntPtr ContextID, in cmsViewingConditions pVC);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsCIECAM02Done(IntPtr hModel);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsCIECAM02Forward(IntPtr hModel, in CIEXYZ pIn, out JCh pOut);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsCIECAM02Reverse(IntPtr hModel, in JCh pIn, out CIEXYZ pOut);
+
+
+        // Tone curves -----------------------------------------------------------------------------------------
+
+        // This describes a curve segment. For a table of supported types, see the manual. User can increase the number of
+        // available types by using a proper plug-in. Parametric segments allow 10 parameters at most
+        public struct cmsCurveSegment
+        {
+            public float x0, x1;           // Domain; for x0 < x <= x1
+            public int Type;             // Parametric type, Type == 0 means sampled segment. Negative values are reserved
+            public fixed double Params[10];       // Parameters if Type != 0
+            public uint nGridPoints;      // Number of grid points if Type == 0
+            public float* SampledPoints;    // Points to an array of floats if Type == 0
+        }
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsBuildSegmentedToneCurve(IntPtr ContextID, uint nSegments, in cmsCurveSegment Segments);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsBuildParametricToneCurve(IntPtr ContextID, int Type, in double Params);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsBuildGamma(IntPtr ContextID, double Gamma);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsBuildTabulatedToneCurve16(IntPtr ContextID, uint nEntries, in ushort values);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsBuildTabulatedToneCurveFloat(IntPtr ContextID, uint nEntries, in float values);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsFreeToneCurve(IntPtr Curve);
+        //[DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        //public static extern void cmsFreeToneCurveTriple(IntPtr Curve[3]);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsDupToneCurve(IntPtr Src);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsReverseToneCurve(IntPtr InGamma);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsReverseToneCurveEx(uint nResultSamples, IntPtr InGamma);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsJoinToneCurve(IntPtr ContextID, IntPtr X, IntPtr Y, uint nPoints);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsSmoothToneCurve(IntPtr Tab, double lambda);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern float cmsEvalToneCurveFloat(IntPtr Curve, float v);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern ushort cmsEvalToneCurve16(IntPtr Curve, ushort v);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIsToneCurveMultisegment(IntPtr InGamma);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIsToneCurveLinear(IntPtr Curve);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIsToneCurveMonotonic(IntPtr t);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIsToneCurveDescending(IntPtr t);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern int cmsGetToneCurveParametricType(IntPtr t);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern double cmsEstimateGamma(IntPtr t, double Precision);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern ref readonly double cmsGetToneCurveParams(IntPtr t);
+
+        // Tone curve tabular estimation
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsGetToneCurveEstimatedTableEntries(IntPtr t);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern ref readonly ushort cmsGetToneCurveEstimatedTable(IntPtr t);
+
+        // Implements pipelines of multi-processing elements -------------------------------------------------------------
+
+        // Those are hi-level pipelines
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsPipelineAlloc(IntPtr ContextID, uint InputChannels, uint OutputChannels);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsPipelineFree(IntPtr lut);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsPipelineDup(IntPtr Orig);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsGetPipelineContextID(IntPtr lut);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsPipelineInputChannels(IntPtr lut);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsPipelineOutputChannels(IntPtr lut);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsPipelineStageCount(IntPtr lut);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsPipelineGetPtrToFirstStage(IntPtr lut);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsPipelineGetPtrToLastStage(IntPtr lut);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsPipelineEval16(in ushort In, out ushort Out, IntPtr lut);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsPipelineEvalFloat(in float In, out float Out, IntPtr lut);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsPipelineEvalReverseFloat(ref float Target, ref float Result, ref float Hint, IntPtr lut);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsPipelineCat(IntPtr l1, IntPtr l2);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsPipelineSetSaveAs8bitsFlag(IntPtr lut, bool On);
+    }
+
+
+
+    internal unsafe partial class CmsNative
+    {
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsPipelineInsertStage(IntPtr lut, StageLoc loc, IntPtr mpe);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsPipelineUnlinkStage(IntPtr lut, StageLoc loc, out IntPtr mpe);
+
+        // This function is quite useful to analyze the structure of a Pipeline and retrieve the Stage elements
+        // that conform the Pipeline. It should be called with the Pipeline, the number of expected elements and
+        // then a list of expected types followed with a list of double pointers to Stage elements. If
+        // the function founds a match with current pipeline, it fills the pointers and returns TRUE
+        // if not, returns FALSE without touching anything.
+        [DllImport(LIB, CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
+        public static extern bool cmsPipelineCheckAndRetreiveStages(IntPtr Lut, uint n, __arglist);
+
+        // Matrix has double precision and CLUT has only float precision. That is because an ICC profile can encode
+        // matrices with far more precision that CLUTS
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsStageAllocIdentity(IntPtr ContextID, uint nChannels);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsStageAllocToneCurves(IntPtr ContextID, uint nChannels, in IntPtr Curves);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsStageAllocMatrix(IntPtr ContextID, uint Rows, uint Cols, in double Matrix, in double Offset);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsStageAllocCLut16bit(IntPtr ContextID, uint nGridPoints, uint inputChan, uint outputChan, in ushort Table);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsStageAllocCLutFloat(IntPtr ContextID, uint nGridPoints, uint inputChan, uint outputChan, in float Table);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsStageAllocCLut16bitGranular(IntPtr ContextID, in uint clutPoints, uint inputChan, uint outputChan, in ushort Table);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsStageAllocCLutFloatGranular(IntPtr ContextID, in uint clutPoints, uint inputChan, uint outputChan, in float Table);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsStageDup(IntPtr mpe);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsStageFree(IntPtr mpe);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsStageNext(IntPtr mpe);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsStageInputChannels(IntPtr mpe);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsStageOutputChannels(IntPtr mpe);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern StageSignature cmsStageType(IntPtr mpe);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsStageData(IntPtr mpe);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsGetStageContextID(IntPtr mpe);
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate int cmsSAMPLER16(ushort* In, ushort* Out, IntPtr Cargo);
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate int cmsSAMPLERFLOAT(float* In, float* Out, IntPtr Cargo);
+
+        const uint SAMPLER_INSPECT = 0x01000000;
+
+        // For CLUT only
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsStageSampleCLut16bit(IntPtr mpe, cmsSAMPLER16 Sampler, void* Cargo, uint dwFlags);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsStageSampleCLutFloat(IntPtr mpe, cmsSAMPLERFLOAT Sampler, void* Cargo, uint dwFlags);
+
+        // Slicers
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsSliceSpace16(uint nInputs, in uint clutPoints,
+                                                           cmsSAMPLER16 Sampler, void* Cargo);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsSliceSpaceFloat(uint nInputs, in uint clutPoints,
+                                                           cmsSAMPLERFLOAT Sampler, void* Cargo);
+
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsMLUalloc(IntPtr ContextID, uint nItems);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsMLUfree(IntPtr mlu);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsMLUdup(IntPtr mlu);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true, CharSet = CharSet.Ansi)]
+        public static extern bool cmsMLUsetASCII(IntPtr mlu,
+                                                  in uint LanguageCode, in uint CountryCode,
+                                                  string ASCIIString);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsMLUsetWide(IntPtr mlu,
+                                                  in uint LanguageCode, in uint CountryCode,
+                                                  in byte WideString);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsMLUgetASCII(IntPtr mlu,
+                                                  in uint LanguageCode, in uint CountryCode,
+                                                  byte* Buffer, uint BufferSize);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsMLUgetWide(IntPtr mlu,
+                                                 in uint LanguageCode, in uint CountryCode,
+                                                 byte* Buffer, uint BufferSize);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsMLUgetTranslation(IntPtr mlu,
+                                                         in uint LanguageCode, in uint CountryCode,
+                                                         ref byte ObtainedLanguage_3, ref byte ObtainedCountry_3);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsMLUtranslationsCount(IntPtr mlu);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsMLUtranslationsCodes(IntPtr mlu,
+                                                                     uint idx,
+                                                                     ref byte LanguageCode_3,
+                                                                     ref byte CountryCode_3);
+
+
+        struct cmsUcrBg
+        {
+            IntPtr UcrToneCurve;
+            IntPtr BgToneCurve;
+            IntPtr DescMLU;
+        }
+
+        public const int cmsPRINTER_DEFAULT_SCREENS = 0x0001;
+        public const int cmsFREQUENCE_UNITS_LINES_CM = 0x0000;
+        public const int cmsFREQUENCE_UNITS_LINES_INCH = 0x0002;
+
+
+        public struct cmsDICTentry
+        {
+            public cmsDICTentry* Next;
+            IntPtr DisplayNameMLU;
+            IntPtr DisplayValueMLU;
+            byte* NameWcharT;
+            byte* ValueWcharT;
+        }
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsDictAlloc(IntPtr ContextID);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsDictFree(IntPtr hDict);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsDictDup(IntPtr hDict);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsDictAddEntry(IntPtr hDict, void* Name, void* Value, IntPtr DisplayNameMLU, IntPtr DisplayValueMLU);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern cmsDICTentry* cmsDictGetEntryList(IntPtr hDict);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern cmsDICTentry* cmsDictNextEntry(cmsDICTentry* e);
+
+        // Access to Profile data ----------------------------------------------------------------------------------------------
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateProfilePlaceholder(IntPtr ContextID);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsGetProfileContextID(IntPtr hProfile);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern int cmsGetTagCount(IntPtr hProfile);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern TagSignature cmsGetTagSignature(IntPtr hProfile, uint n);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIsTag(IntPtr hProfile, TagSignature sig);
+
+        // Read and write pre-formatted data
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void* cmsReadTag(IntPtr hProfile, TagSignature sig);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsWriteTag(IntPtr hProfile, TagSignature sig, void* data);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsLinkTag(IntPtr hProfile, TagSignature sig, TagSignature dest);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern TagSignature cmsTagLinkedTo(IntPtr hProfile, TagSignature sig);
+
+        // Read and write raw data
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsReadRawTag(IntPtr hProfile, TagSignature sig, void* Buffer, uint BufferSize);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsWriteRawTag(IntPtr hProfile, TagSignature sig, in byte data, uint Size);
+
+
+        // Access header data
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern HeaderFlags cmsGetHeaderFlags(IntPtr hProfile);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsGetHeaderAttributes(IntPtr hProfile, out ulong Flags);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsGetHeaderProfileID(IntPtr hProfile, out Guid ProfileID);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsGetHeaderCreationDateTime(IntPtr hProfile, out CmsStructTm Dest);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsGetHeaderRenderingIntent(IntPtr hProfile);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsSetHeaderFlags(IntPtr hProfile, HeaderFlags Flags);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsGetHeaderManufacturer(IntPtr hProfile);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsSetHeaderManufacturer(IntPtr hProfile, uint manufacturer);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsGetHeaderCreator(IntPtr hProfile);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsGetHeaderModel(IntPtr hProfile);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsSetHeaderModel(IntPtr hProfile, uint model);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsSetHeaderAttributes(IntPtr hProfile, ulong Flags);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsSetHeaderProfileID(IntPtr hProfile, in Guid ProfileID);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsSetHeaderRenderingIntent(IntPtr hProfile, uint RenderingIntent);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern ColorSpaceSignature
+                                  cmsGetPCS(IntPtr hProfile);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsSetPCS(IntPtr hProfile, ColorSpaceSignature pcs);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern ColorSpaceSignature
+                                  cmsGetColorSpace(IntPtr hProfile);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsSetColorSpace(IntPtr hProfile, ColorSpaceSignature sig);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern ProfileClassSignature
+                                  cmsGetDeviceClass(IntPtr hProfile);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsSetDeviceClass(IntPtr hProfile, ProfileClassSignature sig);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsSetProfileVersion(IntPtr hProfile, double Version);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern double cmsGetProfileVersion(IntPtr hProfile);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsGetEncodedICCversion(IntPtr hProfile);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsSetEncodedICCversion(IntPtr hProfile, uint Version);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIsIntentSupported(IntPtr hProfile, uint Intent, ProfileUsedDirection UsedDirection);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIsMatrixShaper(IntPtr hProfile);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIsCLUT(IntPtr hProfile, uint Intent, ProfileUsedDirection UsedDirection);
+
+        // Translate form/to our notation to ICC
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern ColorSpaceSignature _cmsICCcolorSpace(int OurNotation);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern int _cmsLCMScolorSpace(ColorSpaceSignature ProfileSpace);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsChannelsOf(ColorSpaceSignature ColorSpace);
+
+        // Build a suitable formatter for the colorspace of this profile. nBytes=1 means 8 bits, nBytes=2 means 16 bits. 
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsFormatterForColorspaceOfProfile(IntPtr hProfile, uint nBytes, bool lIsFloat);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsFormatterForPCSOfProfile(IntPtr hProfile, uint nBytes, bool lIsFloat);
+
+        // Localized info
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsGetProfileInfo(IntPtr hProfile, InfoType Info,
+                                                                in uint LanguageCode, in uint CountryCode,
+                                                                void* Buffer, uint BufferSize);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsGetProfileInfoASCII(IntPtr hProfile, InfoType Info,
+                                                                    in uint LanguageCode, in uint CountryCode,
+                                                                    byte* Buffer, uint BufferSize);
+
+        // MD5 message digest --------------------------------------------------------------------------------------------------
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsMD5computeID(IntPtr hProfile);
+
+        // IO handlers ----------------------------------------------------------------------------------------------------------
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true, CharSet = CharSet.Ansi)]
+        public static extern IntPtr cmsOpenIOhandlerFromMem(IntPtr ContextID, void* Buffer, uint size, string AccessMode);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsOpenIOhandlerFromNULL(IntPtr ContextID);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsGetProfileIOhandler(IntPtr hProfile);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsCloseIOhandler(IntPtr io);
+
+
+        // Profile high level functions ------------------------------------------------------------------------------------------
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsOpenProfileFromMem(void* MemPtr, uint dwSize);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsOpenProfileFromMemTHR(IntPtr ContextID, void* MemPtr, uint dwSize);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsOpenProfileFromIOhandlerTHR(IntPtr ContextID, IntPtr io);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsOpenProfileFromIOhandler2THR(IntPtr ContextID, IntPtr io, bool write);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsCloseProfile(IntPtr hProfile);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsSaveProfileToMem(IntPtr hProfile, void* MemPtr, ref uint BytesNeeded);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsSaveProfileToIOhandler(IntPtr hProfile, IntPtr io);
+
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateRGBProfileTHR(IntPtr ContextID,
+                                                   in CIExyY WhitePoint,
+                                                   in CIExyYTRIPLE Primaries,
+                                                   ref IntPtr TransferFunction3);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateRGBProfile(in CIExyY WhitePoint,
+                                                   in CIExyYTRIPLE Primaries,
+                                                   ref IntPtr TransferFunction);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateGrayProfileTHR(IntPtr ContextID,
+                                                            in CIExyY WhitePoint,
+                                                    IntPtr TransferFunction);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateGrayProfile(in CIExyY WhitePoint,
+                                                    IntPtr TransferFunction);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateLinearizationDeviceLinkTHR(IntPtr ContextID,
+                                                                        ColorSpaceSignature ColorSpace,
+                                                                        ref IntPtr TransferFunctions);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateLinearizationDeviceLink(ColorSpaceSignature ColorSpace,
+                                                                        ref IntPtr TransferFunctions);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateInkLimitingDeviceLinkTHR(IntPtr ContextID,
+                                                                      ColorSpaceSignature ColorSpace, double Limit);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateInkLimitingDeviceLink(ColorSpaceSignature ColorSpace, double Limit);
+
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateLab2ProfileTHR(IntPtr ContextID, in CIExyY WhitePoint);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateLab2Profile(in CIExyY WhitePoint);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateLab4ProfileTHR(IntPtr ContextID, in CIExyY WhitePoint);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateLab4Profile(in CIExyY WhitePoint);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateXYZProfileTHR(IntPtr ContextID);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateXYZProfile();
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreate_sRGBProfileTHR(IntPtr ContextID);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreate_sRGBProfile();
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateBCHSWabstractProfileTHR(IntPtr ContextID,
+                                                                     uint nLUTPoints,
+                                                                     double Bright,
+                                                                     double Contrast,
+                                                                     double Hue,
+                                                                     double Saturation,
+                                                                     uint TempSrc,
+                                                                     uint TempDest);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateBCHSWabstractProfile(uint nLUTPoints,
+                                                                     double Bright,
+                                                                     double Contrast,
+                                                                     double Hue,
+                                                                     double Saturation,
+                                                                     uint TempSrc,
+                                                                     uint TempDest);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateNULLProfileTHR(IntPtr ContextID);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateNULLProfile();
+
+        // Converts a transform to a devicelink profile
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsTransform2DeviceLink(IntPtr hTransform, double Version, uint dwFlags);
+
+        // Call with NULL as parameters to get the intent count
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsGetSupportedIntents(uint nMax, uint* Codes, byte** Descriptions);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsGetSupportedIntentsTHR(IntPtr ContextID, uint nMax, uint* Codes, byte** Descriptions);
+
+
+        // Transforms ---------------------------------------------------------------------------------------------------
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateTransformTHR(IntPtr ContextID,
+                                                          IntPtr Input,
+                                                          uint InputFormat,
+                                                          IntPtr Output,
+                                                          uint OutputFormat,
+                                                          uint Intent,
+                                                          uint dwFlags);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateTransform(IntPtr Input,
+                                                          uint InputFormat,
+                                                          IntPtr Output,
+                                                          uint OutputFormat,
+                                                          uint Intent,
+                                                          uint dwFlags);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateProofingTransformTHR(IntPtr ContextID,
+                                                          IntPtr Input,
+                                                          uint InputFormat,
+                                                          IntPtr Output,
+                                                          uint OutputFormat,
+                                                          IntPtr Proofing,
+                                                          uint Intent,
+                                                          uint ProofingIntent,
+                                                          uint dwFlags);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateProofingTransform(IntPtr Input,
+                                                          uint InputFormat,
+                                                          IntPtr Output,
+                                                          uint OutputFormat,
+                                                          IntPtr Proofing,
+                                                          uint Intent,
+                                                          uint ProofingIntent,
+                                                          uint dwFlags);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateMultiprofileTransformTHR(IntPtr ContextID,
+                                                          ref IntPtr hProfiles,
+                                                          uint nProfiles,
+                                                          uint InputFormat,
+                                                          uint OutputFormat,
+                                                          uint Intent,
+                                                          uint dwFlags);
+
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateMultiprofileTransform(ref IntPtr hProfiles,
+                                                          uint nProfiles,
+                                                          uint InputFormat,
+                                                          uint OutputFormat,
+                                                          uint Intent,
+                                                          uint dwFlags);
+
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsCreateExtendedTransform(IntPtr ContextID,
+                                                           uint nProfiles, ref IntPtr hProfiles,
+                                                           ref bool BPC,
+                                                           ref uint Intents,
+                                                           ref double AdaptationStates,
+                                                           IntPtr hGamutProfile,
+                                                           uint nGamutPCSposition,
+                                                           uint InputFormat,
+                                                           uint OutputFormat,
+                                                           uint dwFlags);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsDeleteTransform(IntPtr hTransform);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsDoTransform(IntPtr Transform,
+                                                 void* InputBuffer,
+                                                 void* OutputBuffer,
+                                                 uint Size);
+
+        [Obsolete]
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsDoTransformStride(IntPtr Transform,   // Deprecated
+                                                 void* InputBuffer,
+                                                 void* OutputBuffer,
+                                                 uint Size,
+                                                 uint Stride);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsDoTransformLineStride(IntPtr Transform,
+                                                 void* InputBuffer,
+                                                 void* OutputBuffer,
+                                                 uint PixelsPerLine,
+                                                 uint LineCount,
+                                                 uint BytesPerLineIn,
+                                                 uint BytesPerLineOut,
+                                                 uint BytesPerPlaneIn,
+                                                 uint BytesPerPlaneOut);
+
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsSetAlarmCodes(ref ushort NewAlarm_cmsMAXCHANNELS);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsGetAlarmCodes(ref ushort NewAlarm_cmsMAXCHANNELS);
+
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsSetAlarmCodesTHR(IntPtr ContextID,
+                                                          ref ushort NewAlarm_cmsMAXCHANNELS);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsGetAlarmCodesTHR(IntPtr ContextID,
+                                                                  ref ushort NewAlarm_cmsMAXCHANNELS);
+
+
+
+        // Adaptation state for absolute colorimetric intent
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern double cmsSetAdaptationState(double d);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern double cmsSetAdaptationStateTHR(IntPtr ContextID, double d);
+
+
+
+        // Grab the ContextID from an open transform. Returns NULL if a NULL transform is passed
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsGetTransformContextID(IntPtr hTransform);
+
+        // Grab the input/output formats
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsGetTransformInputFormat(IntPtr hTransform);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsGetTransformOutputFormat(IntPtr hTransform);
+
+        // For backwards compatibility
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsChangeBuffersFormat(IntPtr hTransform,
+                                                                 uint InputFormat,
+                                                                 uint OutputFormat);
+
+        // PostScript ColorRenderingDictionary and ColorSpaceArray ----------------------------------------------------
+
+        // lcms2 unified method to access postscript color resources
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsGetPostScriptColorResource(IntPtr ContextID,
+                                                                PSResourceType Type,
+                                                                IntPtr hProfile,
+                                                                uint Intent,
+                                                                uint dwFlags,
+                                                                IntPtr io);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsGetPostScriptCSA(IntPtr ContextID, IntPtr hProfile, uint Intent, uint dwFlags, void* Buffer, uint dwBufferLen);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsGetPostScriptCRD(IntPtr ContextID, IntPtr hProfile, uint Intent, uint dwFlags, void* Buffer, uint dwBufferLen);
+
+
+        // IT8.7 / CGATS.17-200x handling -----------------------------------------------------------------------------
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsIT8Alloc(IntPtr ContextID);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsIT8Free(IntPtr hIT8);
+
+        // Tables
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsIT8TableCount(IntPtr hIT8);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern int cmsIT8SetTable(IntPtr hIT8, uint nTable);
+
+        // Persistence
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsIT8LoadFromMem(IntPtr ContextID, void* Ptr, uint len);
+        //[DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        //public static extern IntPtr cmsIT8LoadFromIOhandler(IntPtr ContextID, IntPtr io);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIT8SaveToMem(IntPtr hIT8, void* MemPtr, uint* BytesNeeded);
+
+        // Properties
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        [return: MarshalAs(UnmanagedType.LPStr)]
+        public static extern string cmsIT8GetSheetType(IntPtr hIT8);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIT8SetSheetType(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string Type);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIT8SetComment(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cComment);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIT8SetPropertyStr(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cProp, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string Str);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIT8SetPropertyDbl(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cProp, double Val);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIT8SetPropertyHex(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cProp, uint Val);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIT8SetPropertyMulti(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string Key, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string SubKey, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string Buffer);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIT8SetPropertyUncooked(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string Key, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string Buffer);
+
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        [return: MarshalAs(UnmanagedType.LPUTF8Str)]
+        public static extern string cmsIT8GetProperty(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cProp);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern double cmsIT8GetPropertyDbl(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cProp);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        [return: MarshalAs(UnmanagedType.LPUTF8Str)]
+        public static extern string cmsIT8GetPropertyMulti(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string Key, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string SubKey);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsIT8EnumProperties(IntPtr hIT8, out byte** PropertyNames);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern uint cmsIT8EnumPropertyMulti(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cProp, out byte** SubpropertyNames);
+
+        // Datasets
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        [return: MarshalAs(UnmanagedType.LPUTF8Str)]
+        public static extern string cmsIT8GetDataRowCol(IntPtr hIT8, int row, int col);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern double cmsIT8GetDataRowColDbl(IntPtr hIT8, int row, int col);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIT8SetDataRowCol(IntPtr hIT8, int row, int col,
+                                                [In, MarshalAs(UnmanagedType.LPUTF8Str)] string Val);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIT8SetDataRowColDbl(IntPtr hIT8, int row, int col,
+                                                        double Val);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        [return: MarshalAs(UnmanagedType.LPUTF8Str)]
+        public static extern string cmsIT8GetData(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cPatch, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cSample);
+
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern double cmsIT8GetDataDbl(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cPatch, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cSample);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIT8SetData(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cPatch,
+                                                [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cSample,
+                                                [In, MarshalAs(UnmanagedType.LPUTF8Str)] string Val);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIT8SetDataDbl(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cPatch,
+                                                [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cSample,
+                                                double Val);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern int cmsIT8FindDataFormat(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cSample);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIT8SetDataFormat(IntPtr hIT8, int n, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string Sample);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern int cmsIT8EnumDataFormat(IntPtr hIT8, out byte** SampleNames);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        [return: MarshalAs(UnmanagedType.LPUTF8Str)]
+        public static extern string cmsIT8GetPatchName(IntPtr hIT8, int nPatch, void* buffer);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern int cmsIT8GetPatchByName(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cPatch);
+
+        // The LABEL extension
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern int cmsIT8SetTableByLabel(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cSet, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cField, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string ExpectedType);
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsIT8SetIndexColumn(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string cSample);
+
+        // Formatter for double
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsIT8DefineDblFormat(IntPtr hIT8, [In, MarshalAs(UnmanagedType.LPUTF8Str)] string Formatter);
+
+
+        // Gamut boundary description routines ------------------------------------------------------------------------------
+
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern IntPtr cmsGBDAlloc(IntPtr ContextID);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern void cmsGBDFree(IntPtr hGBD);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsGDBAddPoint(IntPtr hGBD, in CIELab Lab);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsGDBCompute(IntPtr hGDB, uint dwFlags);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsGDBCheckPoint(IntPtr hGBD, in CIELab Lab);
+
+        // Feature detection  ----------------------------------------------------------------------------------------------
+
+        // Estimate the black point
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsDetectBlackPoint(out CIEXYZ BlackPoint, IntPtr hProfile, uint Intent, uint dwFlags);
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsDetectDestinationBlackPoint(out CIEXYZ BlackPoint, IntPtr hProfile, uint Intent, uint dwFlags);
+
+        // Estimate total area coverage
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern double cmsDetectTAC(IntPtr hProfile);
+
+        // Estimate gamma space, always positive. Returns -1 on error.
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern double cmsDetectRGBProfileGamma(IntPtr hProfile, double threshold);
+
+        // Poor man's gamut mapping
+        [DllImport(LIB, CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+        public static extern bool cmsDesaturateLab(ref CIELab Lab,
+                                                           double amax, double amin,
+                                                           double bmax, double bmin);
+    }
+
+    
+}
+
@@ -0,0 +1,46 @@
+using System;
+
+namespace LittleCms
+{
+    public abstract class CmsObject
+    {
+        private IntPtr handle;
+        private bool isOwner;
+
+        public IntPtr Handle => handle;
+        public bool IsOwner => isOwner;
+
+        public abstract CmsContext Context { get; }
+
+
+        protected CmsObject() { }
+
+        protected CmsObject(IntPtr handle, bool moveOwnership)
+        {
+            AttachObject(handle, isOwner);
+        }
+
+
+        protected void AttachObject(IntPtr handle, bool moveOwnership)
+        {
+            if (handle != IntPtr.Zero && isOwner)
+            {
+                FreeObject();
+            }
+            if (handle == IntPtr.Zero)
+            {
+                throw new NullReferenceException();
+            }
+            this.handle = handle;
+            this.isOwner = moveOwnership;
+        }
+
+        ~CmsObject() {
+            if (handle != IntPtr.Zero && isOwner) {
+                FreeObject();
+            }
+        }
+
+        protected abstract void FreeObject();
+    }
+}
@@ -0,0 +1,145 @@
+using System;
+using System.Collections.Generic;
+using System.Runtime.CompilerServices;
+using System.Text;
+
+namespace LittleCms
+{
+    public struct CmsPixelFormat
+    {
+        public uint Value;
+
+        public static implicit operator uint(CmsPixelFormat x) => x.Value;
+
+        // boolean fields
+        const int shift_IsPremultipliedAlpha = 23;
+        const int shift_IsFloatingPoint = 22;
+        const int shift_IsOptimized = 21;
+        const int shift_RotateFirstChannel = 14;
+        const int shift_IsInvertedIntensity = 13;
+        const int shift_IsPlanar = 12;
+        const int shift_IsWordOrderSwapped = 11;
+        const int shift_IsByteOrderSwapped = 10;
+
+        // enum fields
+        const uint mask_PixelType = 0b11111u;
+        const int shift_PixelType = 16;
+
+        // uint fields
+        const uint mask_ExtraChannels = 0b111u;
+        const int shift_ExtraChannels = 7;
+        const uint mask_Channels = 0b1111u;
+        const int shift_Channels = 3;
+        const uint mask_BytesPerChannel = 0b111;
+        const int shift_BytesPerChannel = 0;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private bool GetBit(int shift)
+        {
+            var mask = 1u << shift;
+            return (Value & mask) != 0;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private void SetBit(int shift, bool value)
+        {
+            var mask = 1u << shift;
+            Value = (Value & (~mask)) | (value ? mask : 0);
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private uint GetBits(int shift, uint mask) => (Value >> shift) & mask;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private void SetBits(int shift, uint mask, uint value)
+        {
+            var smask = mask << shift;
+            value = (value & mask) << shift;
+            Value = (Value & (~smask)) | value;
+        }
+
+
+        public bool IsPremultipliedAlpha
+        {
+            get => GetBit(shift_IsPremultipliedAlpha);
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set => SetBit(shift_IsPremultipliedAlpha, value);
+        }
+
+        public bool IsFloatingPoint
+        {
+            get => GetBit(shift_IsFloatingPoint);
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set => SetBit(shift_IsFloatingPoint, value);
+        }
+        public bool IsOptimized
+        {
+            get => GetBit(shift_IsOptimized);
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set => SetBit(shift_IsOptimized, value);
+        }
+        public bool RotateFirstChannel
+        {
+            get => GetBit(shift_RotateFirstChannel);
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set => SetBit(shift_RotateFirstChannel, value);
+        }
+        public bool IsPlanar
+        {
+            get => GetBit(shift_IsPlanar);
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set => SetBit(shift_IsPlanar, value);
+        }
+        public bool IsInvertedIntensity
+        {
+            get => GetBit(shift_IsInvertedIntensity);
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set => SetBit(shift_IsInvertedIntensity, value);
+        }
+        public bool IsWordOrderSwapped
+        {
+            get => GetBit(shift_IsWordOrderSwapped);
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set => SetBit(shift_IsWordOrderSwapped, value);
+        }
+        public bool IsByteOrderSwapped
+        {
+            get => GetBit(shift_IsByteOrderSwapped);
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set => SetBit(shift_IsByteOrderSwapped, value);
+        }
+
+        public PixelType PixelType
+        {
+            get => (PixelType)GetBits(shift_PixelType, mask_PixelType);
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set => SetBits(shift_PixelType, mask_PixelType, (uint)value);
+        }
+        public int ExtraChannels
+        {
+            get => (int)GetBits(shift_ExtraChannels, mask_ExtraChannels);
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set => SetBits(shift_ExtraChannels, mask_ExtraChannels, (uint)value);
+        }
+        public int Channels
+        {
+            get => (int)GetBits(shift_Channels, mask_Channels);
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set => SetBits(shift_Channels, mask_Channels, (uint)value);
+        }
+        /// <summary>
+        /// use 0 for double-precision IEEE-754 floating point.
+        /// </summary>
+        public int BytesPerChannel
+        {
+            get => (int)GetBits(shift_BytesPerChannel, mask_BytesPerChannel);
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set => SetBits(shift_BytesPerChannel, mask_BytesPerChannel, (uint)value);
+        }
+
+
+        public static CmsPixelFormat RGB8 => new CmsPixelFormat { PixelType = PixelType.RGB, Channels = 3, BytesPerChannel = 1 };
+        public static CmsPixelFormat RGBDouble => new CmsPixelFormat { PixelType = PixelType.RGB, Channels = 3, BytesPerChannel = 0, IsFloatingPoint = true };
+        public static CmsPixelFormat XYZDouble => new CmsPixelFormat { PixelType = PixelType.XYZ, Channels = 3, BytesPerChannel = 0, IsFloatingPoint = true };
+    }
+}
@@ -0,0 +1,52 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+using static LittleCms.CmsNative;
+
+namespace LittleCms
+{
+    public class CmsTransform : CmsObject
+    {
+        private IccProfile inputProfile;
+        private IccProfile outputProfile;
+        public override CmsContext Context { get; }
+        public CmsTransform(IccProfile inputProfile, CmsPixelFormat inputFormat,
+            IccProfile outputProfile, CmsPixelFormat outputFormat,
+            RenderingIntent intent, TransformFlags flags) : this(CmsContext.Default, inputProfile, inputFormat, outputProfile, outputFormat, intent, flags) { }
+
+        public CmsTransform(CmsContext context, IccProfile inputProfile, CmsPixelFormat inputFormat,
+            IccProfile outputProfile, CmsPixelFormat outputFormat,
+            RenderingIntent intent, TransformFlags flags)
+        {
+            this.Context = context;
+            this.inputProfile = inputProfile;
+            this.outputProfile = outputProfile;
+
+            var handle = CheckError(cmsCreateTransformTHR(context.Handle, inputProfile.Handle, inputFormat, outputProfile.Handle, outputFormat, (uint)intent, (uint)flags));
+            AttachObject(handle, true);
+        }
+
+
+        protected override void FreeObject()
+        {
+            cmsDeleteTransform(Handle);
+        }
+
+        public unsafe void DoTransform<TIn, TOut>(ReadOnlySpan<TIn> input, Span<TOut> output, uint pixelsToTransform) where TIn : unmanaged where TOut : unmanaged
+        {
+            fixed (TIn* inptr = input)
+            fixed (TOut* outptr = output)
+                cmsDoTransform(Handle, inptr, outptr, pixelsToTransform);
+        }
+
+        public unsafe void DoTransform<TIn, TOut>(ReadOnlySpan<TIn> input, Span<TOut> output, uint pixelsPerLine, uint lineCount,
+            uint bytesPerLineIn, uint bytesPerLineOut, uint bytesPerPlaneIn, uint bytesPerPlaneOut) where TIn : unmanaged where TOut : unmanaged
+        {
+            fixed (TIn* inptr = input)
+            fixed (TOut* outptr = output)
+                cmsDoTransformLineStride(Handle, inptr, outptr, pixelsPerLine, lineCount, bytesPerLineIn, bytesPerLineOut, bytesPerPlaneIn, bytesPerPlaneOut);
+        }
+
+    }
+}
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+
+namespace LittleCms.Data
+{
+    internal record BlittableDataTag<T>(TagSignature TagSignature) : ISafeTagSignature<T> where T : unmanaged
+    {
+        public unsafe T ReadFromProfile(IccProfile profile)
+        {
+            var ptr = profile.ReadTag(TagSignature);
+            if (ptr == null) throw new TagNotFoundException();
+            return *(T*)ptr;
+        }
+
+        public unsafe void WriteToProfile(IccProfile profile, T data)
+        {
+            profile.WriteTag(TagSignature, &data);
+        }
+    }
+}
@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Numerics;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LittleCms.Data
+{
+    internal class ChromaticAdaptationTagSignature : ISafeTagSignature<double[,]>
+    {
+        public TagSignature TagSignature => TagSignature.ChromaticAdaptationTag;
+
+        public unsafe double[,] ReadFromProfile(IccProfile profile)
+        {
+            var ptr = (double*)profile.ReadTag(TagSignature);
+            if (ptr == null) throw new TagNotFoundException();
+            var result = new double[3, 3];
+            new ReadOnlySpan<double>(ptr, 9).CopyTo(MemoryMarshal.CreateSpan(ref result[0, 0], 9));
+            return result;
+        }
+
+        public unsafe void WriteToProfile(IccProfile profile, double[,] data)
+        {
+            if (data == null) throw new ArgumentNullException(nameof(data));
+            fixed (double* ptr = &data[0, 0])
+                profile.WriteTag(TagSignature, ptr);
+        }
+    }
+}
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LittleCms.Data
+{
+    public interface ISafeTagSignature<T>
+    {
+        TagSignature TagSignature { get; }
+        T ReadFromProfile(IccProfile profile);
+        void WriteToProfile(IccProfile profile, T data);
+    }
+
+}
@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LittleCms.Data
+{
+    internal record IccDataTagSignature(TagSignature TagSignature) : ISafeTagSignature<ICCData>
+    {
+        public unsafe ICCData ReadFromProfile(IccProfile profile)
+        {
+            var ptr = profile.ReadTag(TagSignature);
+            if (ptr == null) throw new TagNotFoundException();
+            return _ICCData.ToManaged((_ICCData*)ptr);
+        }
+
+        public unsafe void WriteToProfile(IccProfile profile, ICCData obj)
+        {
+            var data = new byte[sizeof(_ICCDataHeader) + obj.Data.Length];
+            obj.Data.Span.CopyTo(data.AsSpan().Slice(sizeof(_ICCDataHeader)));
+            fixed (byte* ptr = data)
+            {
+                var header = (_ICCDataHeader*)ptr;
+                header->flag = obj.Flag;
+                header->len = (uint)obj.Data.Length;
+
+                profile.WriteTag(TagSignature, ptr);
+            }
+        }
+    }
+}
@@ -0,0 +1,111 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Runtime.InteropServices;
+using System.ComponentModel;
+
+
+using static LittleCms.CmsNative;
+using System.Runtime.CompilerServices;
+
+namespace LittleCms.Data
+{
+    public class MLU : CmsObject
+    {
+        public const string NoLanguage = "\0\0";
+        public const string NoCountry = "\0\0";
+
+#pragma warning disable CS0809 // Obsolete member overrides non-obsolete member
+        [Obsolete("Only allocator in context is used in MLU, which is not modeled in this binding")]
+        public override CmsContext Context { get; } = CmsContext.Default;
+#pragma warning restore CS0809
+
+        internal unsafe static (uint, uint) EncodeLanguageCountryCode(string code1, string code2)
+        {
+            if (code1 == null || code1.Length != 2 || code1[0] >= 0x80 || code1[1] >= 0x80) throw new ArgumentException();
+            if (code2 == null || code2.Length != 2 || code2[0] >= 0x80 || code2[1] >= 0x80) throw new ArgumentException();
+            Span<uint> result32 = stackalloc uint[2];
+            var result8 = MemoryMarshal.Cast<uint, byte>(result32);
+            result8[0] = (byte)code1[0];
+            result8[1] = (byte)code1[1];
+            result8[4] = (byte)code2[0];
+            result8[5] = (byte)code2[1];
+            return (result32[0], result32[1]);
+        }
+
+        /// <summary>
+        /// Attach a cmsMLU
+        /// </summary>
+        /// <param name="handle"></param>
+        /// <param name="moveOwnership"></param>
+        public MLU(IntPtr handle, bool moveOwnership = false) : base(handle, moveOwnership)
+        {
+            // FIXME: missing cmsGetMLUContextID
+        }
+
+        public MLU(int itemCount) : this(CmsContext.Default, itemCount) { }
+
+        public MLU(CmsContext context, int itemCount)
+        {
+            Context = context;
+            IntPtr handle = CheckError(cmsMLUalloc(context.Handle, (uint)itemCount));
+            AttachObject(handle, true);
+        }
+
+        /// <summary>
+        /// Copy a cmsMLU by handle
+        /// </summary>
+        /// <param name="handle"></param>
+        /// <exception cref="NotImplementedException"></exception>
+        public static MLU CopyFromObject(nint handleToCopy)
+        {
+            nint handle = CheckError(cmsMLUdup(handleToCopy));
+            return new(handle, true);
+        }
+
+        /// <summary>
+        /// Creates a MLU with en-US string
+        /// </summary>
+        /// <param name="s"></param>
+        public MLU(string s) : this(1)
+        {
+            Set("en", "US", s);
+        }
+
+        protected override void FreeObject()
+        {
+            cmsMLUfree(Handle);
+        }
+
+        public unsafe void Set(string language, string country, string s)
+        {
+            var (lang, cont) = EncodeLanguageCountryCode(language, country);
+            var wchbuf = WcharEncoding.GetBytes(s + "\0");
+            CheckError(cmsMLUsetWide(Handle, in lang, in cont, in wchbuf[0]));
+
+        }
+
+        public unsafe string? Get(string languageCode, string countryCode)
+        {
+            var (lang, cont) = EncodeLanguageCountryCode(languageCode, countryCode);
+            var len = cmsMLUgetWide(Handle, in lang, in cont, null, 0);
+            if (len == 0)
+            {
+                return null;
+            }
+            var buf = new byte[(int)len];
+            fixed (byte* ptr = buf)
+                len = CheckError(cmsMLUgetWide(Handle, in lang, in cont, ptr, len));
+            var s = WcharEncoding.GetString(buf);
+            return s[..^1];
+        }
+
+        public string? GetAny() => Get(NoLanguage, NoCountry);
+
+        public override string ToString() => GetAny() ?? "";
+
+
+    }
+}
@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LittleCms.Data
+{
+    internal record MluTagSignature(TagSignature TagSignature) : ISafeTagSignature<MLU>
+    {
+        public unsafe MLU ReadFromProfile(IccProfile profile)
+        {
+            var ptr = profile.ReadTag(TagSignature);
+            if (ptr == null) throw new TagNotFoundException();
+            return MLU.CopyFromObject((IntPtr)ptr);
+        }
+
+        public unsafe void WriteToProfile(IccProfile profile, MLU data)
+        {
+            if (data == null) throw new ArgumentNullException(nameof(data));
+            profile.WriteTag(TagSignature, (void*)data.Handle);
+        }
+    }
+}
@@ -0,0 +1,7 @@
+namespace LittleCms.Data
+{
+    public record RgbToneCurve(ToneCurve Red, ToneCurve Green, ToneCurve Blue)
+    {
+        public ToneCurve[] ToArray() => new[] { Red, Green, Blue };
+    }
+}
@@ -0,0 +1,41 @@
+namespace LittleCms.Data
+{
+    public static partial class SafeTagSignature
+    {
+        public static ISafeTagSignature<CIExyYTRIPLE> ChromaticityTag { get; } = new BlittableDataTag<CIExyYTRIPLE>(TagSignature.ChromaticityTag);
+        public static ISafeTagSignature<CIEXYZ> MediaWhitePointTag { get; } = new BlittableDataTag<CIEXYZ>(TagSignature.MediaWhitePointTag);
+        public static ISafeTagSignature<CIEXYZ> BlueColorantTag { get; } = new BlittableDataTag<CIEXYZ>(TagSignature.BlueColorantTag);
+        public static ISafeTagSignature<CIEXYZ> GreenColorantTag { get; } = new BlittableDataTag<CIEXYZ>(TagSignature.GreenColorantTag);
+        public static ISafeTagSignature<CIEXYZ> LuminanceTag { get; } = new BlittableDataTag<CIEXYZ>(TagSignature.LuminanceTag);
+        public static ISafeTagSignature<CIEXYZ> MediaBlackPointTag { get; } = new BlittableDataTag<CIEXYZ>(TagSignature.MediaBlackPointTag);
+        public static ISafeTagSignature<CIEXYZ> RedColorantTag { get; } = new BlittableDataTag<CIEXYZ>(TagSignature.RedColorantTag);
+
+        public static ISafeTagSignature<double[,]> ChromaticAdaptationTag { get; } = new ChromaticAdaptationTagSignature();
+
+        public static ISafeTagSignature<ICCData> Mhc2Tag { get; } = new IccDataTagSignature(TagSignature.MHC2);
+
+        public static ISafeTagSignature<ICCData> DataTag { get; } = new IccDataTagSignature(TagSignature.DataTag);
+        public static ISafeTagSignature<ICCData> Ps2CRD0Tag { get; } = new IccDataTagSignature(TagSignature.Ps2CRD0Tag);
+        public static ISafeTagSignature<ICCData> Ps2CRD1Tag { get; } = new IccDataTagSignature(TagSignature.Ps2CRD1Tag);
+        public static ISafeTagSignature<ICCData> Ps2CRD2Tag { get; } = new IccDataTagSignature(TagSignature.Ps2CRD2Tag);
+        public static ISafeTagSignature<ICCData> Ps2CRD3Tag { get; } = new IccDataTagSignature(TagSignature.Ps2CRD3Tag);
+        public static ISafeTagSignature<ICCData> Ps2CSATag { get; } = new IccDataTagSignature(TagSignature.Ps2CSATag);
+        public static ISafeTagSignature<ICCData> Ps2RenderingIntentTag { get; } = new IccDataTagSignature(TagSignature.Ps2RenderingIntentTag);
+
+        public static ISafeTagSignature<ToneCurve> BlueTRCTag { get; } = new ToneCurveTagSignature(TagSignature.BlueTRCTag);
+        public static ISafeTagSignature<ToneCurve> GrayTRCTag { get; } = new ToneCurveTagSignature(TagSignature.GrayTRCTag);
+        public static ISafeTagSignature<ToneCurve> GreenTRCTag { get; } = new ToneCurveTagSignature(TagSignature.GreenTRCTag);
+        public static ISafeTagSignature<ToneCurve> RedTRCTag { get; } = new ToneCurveTagSignature(TagSignature.RedTRCTag);
+
+        public static ISafeTagSignature<RgbToneCurve> VcgtTag { get; } = new VideoCardGammaTableTagSignature();
+
+        public static ISafeTagSignature<MLU> CharTargetTag { get; } = new MluTagSignature(TagSignature.CharTargetTag);
+        public static ISafeTagSignature<MLU> CopyrightTag { get; } = new MluTagSignature(TagSignature.CopyrightTag);
+        public static ISafeTagSignature<MLU> DeviceMfgDescTag { get; } = new MluTagSignature(TagSignature.DeviceMfgDescTag);
+        public static ISafeTagSignature<MLU> DeviceModelDescTag { get; } = new MluTagSignature(TagSignature.DeviceModelDescTag);
+        public static ISafeTagSignature<MLU> ProfileDescriptionTag { get; } = new MluTagSignature(TagSignature.ProfileDescriptionTag);
+        public static ISafeTagSignature<MLU> ScreeningDescTag { get; } = new MluTagSignature(TagSignature.ScreeningDescTag);
+        public static ISafeTagSignature<MLU> ViewingCondDescTag { get; } = new MluTagSignature(TagSignature.ViewingCondDescTag);
+
+    }
+}
@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LittleCms.Data
+{
+    public class TagNotFoundException : Exception
+    {
+        private const int hr = unchecked((int)0x80131577);
+        public TagNotFoundException()
+        {
+            HResult = hr;
+        }
+
+        public TagNotFoundException(string message) : base(message)
+        {
+            HResult = hr;
+
+        }
+        public TagNotFoundException(string? message, Exception? innerException)
+            : base(message, innerException)
+        {
+            HResult = hr;
+        }
+    }
+}
@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+using static LittleCms.CmsNative;
+
+namespace LittleCms.Data
+{
+    public class ToneCurve : CmsObject
+    {
+#pragma warning disable CS0809
+        [Obsolete("lcms2 don't expose API to get context of cmsToneCurve")]
+        public override CmsContext Context => throw new NotImplementedException();
+#pragma warning restore CS0809
+
+        public ToneCurve(nint handle, bool moveOwnership) : base(handle, moveOwnership) { }
+
+        public ToneCurve(CmsContext context, double gamma)
+        {
+            AttachObject(CheckError(cmsBuildGamma(context.Handle, gamma)), true);
+        }
+
+        public ToneCurve(CmsContext context, ReadOnlySpan<float> table)
+        {
+            AttachObject(CheckError(cmsBuildTabulatedToneCurveFloat(context.Handle, (uint)table.Length, in table[0])), true);
+        }
+
+        public ToneCurve(CmsContext context, ReadOnlySpan<ushort> table)
+        {
+            AttachObject(CheckError(cmsBuildTabulatedToneCurve16(context.Handle, (uint)table.Length, in table[0])), true);
+        }
+
+        public ToneCurve(double gamma) : this(CmsContext.Default, gamma) { }
+
+        public ToneCurve(ReadOnlySpan<float> table) : this(CmsContext.Default, table) { }
+
+        public ToneCurve(ReadOnlySpan<ushort> table) : this(CmsContext.Default, table) { }
+
+        public static ToneCurve CopyFromObject(nint copyFromObject)
+        {
+            var handle = CheckError(cmsDupToneCurve(copyFromObject));
+            return new(handle, true);
+        }
+        protected override void FreeObject()
+        {
+            throw new NotImplementedException();
+        }
+
+        public ToneCurve Reverse()
+        {
+            var handle = CheckError(cmsReverseToneCurve(Handle));
+            return new(handle, true);
+        }
+
+        public ToneCurve Reverse(uint sampleCount)
+        {
+            var handle = CheckError(cmsReverseToneCurveEx(sampleCount, Handle));
+            return new(handle, true);
+        }
+
+        public ushort EvalU16(ushort x) => cmsEvalToneCurve16(Handle, x);
+        public float EvalF32(float x) => cmsEvalToneCurveFloat(Handle, x);
+
+    }
+}
@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LittleCms.Data
+{
+    internal record ToneCurveTagSignature(TagSignature TagSignature) : ISafeTagSignature<ToneCurve>
+    {
+        public unsafe ToneCurve ReadFromProfile(IccProfile profile)
+        {
+            var ptr = profile.ReadTag(TagSignature);
+            if (ptr == null) throw new TagNotFoundException();
+            return ToneCurve.CopyFromObject((IntPtr)ptr);
+        }
+
+        public unsafe void WriteToProfile(IccProfile profile, ToneCurve data)
+        {
+            if (data == null) throw new ArgumentNullException(nameof(data));
+            profile.WriteTag(TagSignature, (void*)data.Handle);
+        }
+    }
+}
@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LittleCms.Data
+{
+    internal class VideoCardGammaTableTagSignature : ISafeTagSignature<RgbToneCurve>
+    {
+        public TagSignature TagSignature => TagSignature.VcgtTag;
+
+        public unsafe RgbToneCurve ReadFromProfile(IccProfile profile)
+        {
+            var ptr = (IntPtr*)profile.ReadTag(TagSignature);
+            if (ptr == null) throw new TagNotFoundException();
+            return new RgbToneCurve(
+                ToneCurve.CopyFromObject(ptr[0]),
+                ToneCurve.CopyFromObject(ptr[1]),
+                ToneCurve.CopyFromObject(ptr[2])
+                );
+        }
+
+        public unsafe void WriteToProfile(IccProfile profile, RgbToneCurve obj)
+        {
+            if (obj == null)
+            {
+                throw new ArgumentNullException(nameof(obj));
+            }
+            var handles = stackalloc IntPtr[] { obj.Red.Handle, obj.Green.Handle, obj.Blue.Handle };
+            profile.WriteTag(TagSignature, handles);
+        }
+    }
+}
@@ -0,0 +1,259 @@
+using LittleCms.Data;
+using System;
+using System.Diagnostics.CodeAnalysis;
+using static LittleCms.CmsNative;
+
+namespace LittleCms
+{
+    public class IccProfile : CmsObject
+    {
+        public override CmsContext Context { get; }
+        public byte[] RawBytes { get; }
+
+        public IccProfile(IntPtr handle, bool moveOwnership) : base(handle, moveOwnership)
+        {
+            Context = CmsContext.GetFromHandle(cmsGetProfileContextID(handle));
+        }
+        public IccProfile(IntPtr handle, CmsContext context, ReadOnlySpan<byte> bytes) : base(handle, true)
+        {
+            Context = context;
+            RawBytes = bytes.ToArray();
+        }
+
+        public static IccProfile Create_sRGB(CmsContext context)
+        {
+            return new IccProfile(CheckError(cmsCreate_sRGBProfileTHR(context.Handle)), true);
+        }
+
+        public static IccProfile Create_sRGB()
+        {
+            return new IccProfile(CheckError(cmsCreate_sRGBProfile()), true);
+        }
+
+        public static IccProfile CreateXYZ(CmsContext context)
+        {
+            return new IccProfile(CheckError(cmsCreateXYZProfileTHR(context.Handle)), true);
+        }
+
+        public static IccProfile CreateXYZ()
+        {
+            return new IccProfile(CheckError(cmsCreateXYZProfile()), true);
+        }
+
+        public static IccProfile CreateRGB(CIExyY whitepoint, CIExyYTRIPLE primaries, RgbToneCurve transfer)
+        {
+            return CreateRGB(CmsContext.Default, whitepoint, primaries, transfer);
+        }
+
+        public static unsafe IccProfile CreateRGB(CmsContext context, CIExyY whitepoint, CIExyYTRIPLE primaries, RgbToneCurve transfer)
+        {
+            Span<IntPtr> transferhandle = stackalloc IntPtr[] { transfer.Red.Handle, transfer.Green.Handle, transfer.Blue.Handle };
+            var handle = CheckError(cmsCreateRGBProfile(whitepoint, primaries, ref transferhandle[0]));
+            return new(handle, true);
+        }
+
+        public static unsafe IccProfile Open(CmsContext context, ReadOnlySpan<byte> bytes)
+        {
+            fixed (byte* ptr = bytes)
+            {
+                var handle = CheckError(cmsOpenProfileFromMemTHR(context.Handle, ptr, (uint)bytes.Length));
+                return new IccProfile(handle, context, bytes);
+            }
+        }
+        public static IccProfile Open(ReadOnlySpan<byte> bytes) => Open(CmsContext.Default, bytes);
+
+
+        public unsafe byte[] GetBytes()
+        {
+            uint newlen = 0;
+            CheckError(cmsSaveProfileToMem(Handle, null, ref newlen));
+            var newicc = new byte[newlen];
+            fixed (byte* ptr = newicc)
+                CheckError(cmsSaveProfileToMem(Handle, ptr, ref newlen));
+            return newicc;
+        }
+
+        protected override void FreeObject()
+        {
+            cmsCloseProfile(Handle);
+        }
+
+        public unsafe void* ReadTag(TagSignature sig)
+        {
+            return cmsReadTag(Handle, sig);
+        }
+
+        public unsafe bool ContainsTag(TagSignature sig) => ReadTag(sig) != null;
+
+        public T ReadTag<T>(ISafeTagSignature<T> sig)
+        {
+            return sig.ReadFromProfile(this);
+        }
+
+        [return: NotNullIfNotNull(nameof(defaultValue))]
+        public T? ReadTagOrDefault<T>(ISafeTagSignature<T> sig, T? defaultValue = default)
+        {
+            try
+            {
+                return sig.ReadFromProfile(this);
+            }
+            catch (TagNotFoundException)
+            {
+                return defaultValue;
+            }
+        }
+
+        public bool TryReadTag<T>(ISafeTagSignature<T> sig, [NotNullWhen(returnValue: true)] out T? value)
+        {
+            try
+            {
+                value = sig.ReadFromProfile(this)!;
+                return true;
+            }
+            catch (TagNotFoundException)
+            {
+                value = default;
+                return false;
+            }
+        }
+
+        public unsafe void WriteTag(TagSignature sig, void* handle)
+        {
+            var result = cmsWriteTag(Handle, sig, handle);
+            if (handle != null)
+            {
+                CheckError(result);
+            }
+        }
+
+        public void WriteTag<T>(ISafeTagSignature<T> sig, T value)
+        {
+            sig.WriteToProfile(this, value);
+        }
+
+        public unsafe void RemoveTag(TagSignature sig)
+        {
+            CheckError(cmsWriteTag(Handle, sig, null));
+        }
+
+        public unsafe void RemoveTag<T>(ISafeTagSignature<T> sig)
+        {
+            CheckError(cmsWriteTag(Handle, sig.TagSignature, null));
+        }
+
+        public unsafe byte[]? ReadRawTag(TagSignature sig)
+        {
+            if (!cmsIsTag(Handle, sig)) return null;
+            var len = cmsReadRawTag(Handle, sig, null, 0);
+            var buf = new byte[len];
+            fixed (byte* ptr = buf)
+                len = cmsReadRawTag(Handle, sig, ptr, len);
+            return buf;
+        }
+
+        public void WriteRawTag(TagSignature sig, ReadOnlySpan<byte> bytes)
+        {
+            CheckError(cmsWriteRawTag(Handle, sig, in bytes[0], (uint)bytes.Length));
+        }
+
+        public void ComputeProfileId()
+        {
+            CheckError(cmsMD5computeID(Handle));
+        }
+
+        public HeaderFlags HeaderFlags
+        {
+            get => cmsGetHeaderFlags(Handle);
+            set => cmsSetHeaderFlags(Handle, value);
+        }
+
+        public unsafe string GetInfo(InfoType info, string languageCode = MLU.NoLanguage, string countryCode = MLU.NoCountry)
+        {
+            var (lang, cont) = MLU.EncodeLanguageCountryCode(languageCode, countryCode);
+            var len = cmsGetProfileInfo(Handle, info, in lang, in cont, null, 0);
+            if (len == 0) return "";
+            var buf = new byte[len];
+            fixed (byte* ptr = buf)
+                len = cmsGetProfileInfo(Handle, info, in lang, in cont, ptr, len);
+            var s = WcharEncoding.GetString(buf)[..^1];
+            return s;
+        }
+
+        public ulong HeaderAttributes
+        {
+            get
+            {
+                cmsGetHeaderAttributes(Handle, out var attr);
+                return attr;
+            }
+            set => cmsSetHeaderAttributes(Handle, value);
+        }
+
+        public Guid HeaderProfileId
+        {
+            get
+            {
+                cmsGetHeaderProfileID(Handle, out var attr);
+                return attr;
+            }
+            set => cmsSetHeaderProfileID(Handle, value);
+        }
+
+        public DateTime HeaderCreationDateTime
+        {
+            get
+            {
+                CheckError(cmsGetHeaderCreationDateTime(Handle, out var tm));
+                return tm.ToDateTime();
+            }
+        }
+
+        public RenderingIntent HeaderRenderingIntent
+        {
+            get => (RenderingIntent)cmsGetHeaderRenderingIntent(Handle);
+            set => cmsSetHeaderRenderingIntent(Handle, (uint)value);
+        }
+
+        public uint HeaderManufacturer
+        {
+            get => cmsGetHeaderManufacturer(Handle);
+            set => cmsSetHeaderManufacturer(Handle, value);
+        }
+
+        public uint HeaderCreator
+        {
+            get => cmsGetHeaderCreator(Handle);
+        }
+
+        public uint HeaderModel
+        {
+            get => cmsGetHeaderModel(Handle);
+            set => cmsSetHeaderModel(Handle, value);
+        }
+
+        public ColorSpaceSignature PCS
+        {
+            get => cmsGetPCS(Handle);
+            set => cmsSetPCS(Handle, value);
+        }
+
+
+        public ColorSpaceSignature ColorSpace
+        {
+            get => cmsGetColorSpace(Handle);
+            set => cmsSetColorSpace(Handle, value);
+        }
+
+        public ProfileClassSignature DeviceClass
+        {
+            get => cmsGetDeviceClass(Handle);
+            set => cmsSetDeviceClass(Handle, value);
+        }
+
+        public double ProfileVersion
+        {
+            get => cmsGetProfileVersion(Handle);
+            set => cmsSetProfileVersion(Handle, value);
+        }
+    }
+}
@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
+    <LangVersion>9</LangVersion>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Update="lcms2.dll">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>
@@ -0,0 +1,96 @@
+using System;
+
+namespace MHC2Gen;
+
+public static class CmsFunctions
+{
+
+    private const double PQ_M1 = 0.1593017578125;
+    private const double PQ_M2 = 78.84375;
+    private const double PQ_C1 = 0.8359375;
+    private const double PQ_C2 = 18.8515625;
+    private const double PQ_C3 = 18.6875;
+
+    public static double PqEotf(double signalValue)
+    {
+        var signalValuePow = Math.Pow(signalValue, 1D / PQ_M2);
+
+        var value1 = Math.Max(signalValuePow - PQ_C1, 0);
+        var value2 = PQ_C2 - PQ_C3 * signalValuePow;
+
+        var luminance = 10000D * Math.Pow(value1 / value2, 1D / PQ_M1);
+
+        return luminance;
+    }
+
+    public static double InvPqEotf(double luminance)
+    {
+        var normalizedLuminance = luminance / 10000D;
+
+        var luminancePow = Math.Pow(normalizedLuminance, PQ_M1);
+
+        var value1 = PQ_C1 + PQ_C2 * luminancePow;
+        var value2 = 1 + PQ_C3 * luminancePow;
+
+        var signalValue = Math.Pow(value1 / value2, PQ_M2);
+
+        return signalValue;
+    }
+
+    public static double SrgbInvEotf(double luminance, double whiteLuminance, double blackLuminance, double gamma = 2.4)
+    {
+        //const double X1 = 0.0404482362771082;
+        const double X2 = 0.00313066844250063;
+
+        var x = whiteLuminance <= blackLuminance ? 0 : (luminance - blackLuminance) / (whiteLuminance - blackLuminance);
+
+        if (x > 1)
+        {
+            x = 1;
+        }
+        else if (x < 0)
+        {
+            x = 0;
+        }
+        else if (x <= X2)
+        {
+            x *= 12.92;
+        }
+        else
+        {
+            x = 1.055 * Math.Pow(x, 1 / gamma) - 0.055;
+        }
+
+        return x;
+    }
+
+    public static (double, double) SrgbAcm(double signalValue, double whiteLuminance, double blackLuminance = 0, double gamma = 2.2, int divider = 1023)
+    {
+        var b = signalValue / divider;
+        var c = PqEotf(b);
+        var d = SrgbInvEotf(c, whiteLuminance, blackLuminance);
+        var e = blackLuminance + (whiteLuminance - blackLuminance) * Math.Pow(d, gamma);
+        var f = InvPqEotf(Math.Max(0, e));
+        var x = f + Math.Min(1, c / whiteLuminance) * (b - f);
+
+        return (b, x);
+    }
+
+    public static double Srgb(double signalValue)
+    {
+        var b = signalValue / 1023;
+
+        return b;
+    }
+
+    public static double GammaRgb(double signalValue, double gamma = 2.4)
+    {
+        return signalValue <= 0.0031308 ? signalValue * 12.92 : 1.055 * Math.Pow(signalValue, 1.0 / gamma) - 0.055;
+    }
+
+    public static double RgbToLinear(double signalValue, double gamma = 2.4)
+    {
+        return signalValue <= 0.04045 ? signalValue / 12.92 : Math.Pow((signalValue + 0.055) / 1.055, gamma);
+    }
+
+}
@@ -0,0 +1,24 @@
+using LittleCms;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MHC2Gen
+{
+    internal static class Extension
+    {
+
+        public static CIExy ToXY(in this CIExyY xyY)
+        {
+            return new() { x = xyY.x, y = xyY.y };
+        }
+        public static CIExy ToXY(in this CIEXYZ xyz)
+        {
+            return xyz.ToCIExyY().ToXY();
+        }
+
+
+    }
+}
@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MHC2Gen
+{
+    internal class ST2084
+    {
+        private const double m1 = 2610.0 / 16384.0;
+        private const double m2 = 128.0 * 2523.0 / 4096.0;
+        private const double c1 = 3424.0 / 4096.0;
+        private const double c2 = 32.0 * 2413.0 / 4096.0;
+        private const double c3 = 32.0 * 2392.0 / 4096.0;
+
+        public static double NitsToSignal(double nits)
+        {
+            var Ypowm1 = Math.Pow(nits / 10000.0, m1);
+            return Math.Pow((c1 + c2 * Ypowm1) / (1 + c3 * Ypowm1), m2);
+        }
+
+        public static double SignalToNits(double signal)
+        {
+            var Epow1divm2 = Math.Pow(signal, 1.0 / m2);
+            return 10000 * Math.Pow(Math.Max(Epow1divm2 - c1, 0) / (c2 - c3 * Epow1divm2), 1 / m1);
+        }
+    }
+}
@@ -0,0 +1,55 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+	  <Platforms>x64</Platforms>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="MathNet.Numerics" Version="4.15.0" />
+  </ItemGroup>
+
+	<PropertyGroup Condition="$([MSBuild]::VersionGreaterThanOrEquals('$(NETCoreSdkVersion)', '7.0'))">
+		<TargetFramework>net7.0</TargetFramework>
+		<UseNativeAot Condition="$(PublishDir) != ''">true</UseNativeAot>
+	</PropertyGroup>
+
+	<!-- Optimize for size -->
+	<PropertyGroup Condition="'$(UseNativeAot)' == 'true'">
+		<PublishAot>true</PublishAot>
+		<IlcOptimizationPreference>Size</IlcOptimizationPreference>
+		<IlcFoldIdenticalMethodBodies>true</IlcFoldIdenticalMethodBodies>
+		<IlcGenerateStackTraceData>true</IlcGenerateStackTraceData>
+		<TrimUnusedDependencies>true</TrimUnusedDependencies>
+		<RootPackageReference>false</RootPackageReference>
+		<TrimMode>full</TrimMode>
+		<!--DebuggerSupport Condition="'$(Configuration)'=='Release'">false</DebuggerSupport-->
+		<EnableUnsafeBinaryFormatterSerialization>false</EnableUnsafeBinaryFormatterSerialization>
+		<EnableUnsafeUTF7Encoding>false</EnableUnsafeUTF7Encoding>
+		<HttpActivityPropagationSupport>false</HttpActivityPropagationSupport>
+		<InvariantGlobalization>true</InvariantGlobalization>
+		<!--UseSystemResourceKeys>true</UseSystemResourceKeys-->
+	</PropertyGroup>
+
+	<ItemGroup Condition="'$(UseNativeAot)' != 'true'">
+        <None Include="$(SolutionDir)LittleCms\lcms2.dll">
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </None>
+    </ItemGroup>
+
+    <ItemGroup Condition="'$(UseNativeAot)' == 'true'">
+        <DirectPInvoke Include="lcms2" />
+		<NativeLibrary Include="$(MSBuildThisFileDirectory)..\lcms2\Projects\VC2022\lcms2_static\$(Configuration)\x64\lcms2_static.lib" Condition="$(RuntimeIdentifier.StartsWith('win')) and $(RuntimeIdentifier.EndsWith('x64'))" />
+		<NativeLibrary Include="$(MSBuildThisFileDirectory)..\lcms2\Projects\VC2022\lcms2_static\$(Configuration)\ARM64\lcms2_static.lib" Condition="$(RuntimeIdentifier.StartsWith('win')) and $(RuntimeIdentifier.EndsWith('arm64'))" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <None Remove="C:\Users\vinni\source\repos\ColorControl\LittleCms\lcms2.dll" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\LittleCms\LittleCms.csproj" />
+    </ItemGroup>
+</Project>
@@ -0,0 +1,26 @@
+using LittleCms;
+
+namespace MHC2Gen;
+
+public class MHC2Wrapper
+{
+    public enum NamedGamut
+    {
+        sRGB,
+        AdobeRGB,
+        P3D65,
+        BT2020
+    }
+
+    public static byte[] GenerateSdrAcmProfile(GenerateProfileCommand command)
+    {
+        var profile = IccProfile.Create_sRGB();
+
+        var context = new DeviceIccContext(profile);
+
+        var newProfile = context.CreateIcc(command);
+
+        return newProfile.GetBytes();
+
+    }
+}
@@ -0,0 +1,52 @@
+using LittleCms;
+
+namespace MHC2Gen
+{
+    public class CIExy
+    {
+        public double x { get; set; }
+        public double y { get; set; }
+
+        public CIExy() { }
+
+        public CIExy(CIExy source)
+        {
+            x = source.x;
+            y = source.y;
+        }
+
+        public CIEXYZ ToXYZ(double Y = 1.0)
+        {
+            return new() { X = x * Y / y, Y = Y, Z = (1 - x - y) * Y / y };
+        }
+    }
+    public class RgbPrimaries
+    {
+        public CIExy Red { get; }
+        public CIExy Green { get; }
+        public CIExy Blue { get; }
+        public CIExy White { get; }
+
+        public RgbPrimaries(RgbPrimaries primaries)
+        {
+            Red = new CIExy(primaries.Red);
+            Green = new CIExy(primaries.Green);
+            Blue = new CIExy(primaries.Blue);
+            White = new CIExy(primaries.White);
+
+        }
+        public RgbPrimaries(CIExy red, CIExy green, CIExy blue, CIExy white)
+        {
+            Red = red;
+            Green = green;
+            Blue = blue;
+            White = white;
+        }
+
+        public static RgbPrimaries sRGB { get; } = new RgbPrimaries(new() { x = 0.64, y = 0.33 }, new() { x = 0.30, y = 0.60 }, new() { x = 0.15, y = 0.06 }, new() { x = 0.3127, y = 0.3290 });
+        public static RgbPrimaries AdobeRGB { get; } = new RgbPrimaries(new() { x = 0.64, y = 0.33 }, new() { x = 0.21, y = 0.71 }, new() { x = 0.15, y = 0.06 }, new() { x = 0.3127, y = 0.3290 });
+        public static RgbPrimaries P3D65 { get; } = new RgbPrimaries(new() { x = 0.68, y = 0.32 }, new() { x = 0.265, y = 0.690 }, new() { x = 0.15, y = 0.06 }, new() { x = 0.3127, y = 0.3290 });
+        public static RgbPrimaries Rec2020 { get; } = new RgbPrimaries(new() { x = 0.708, y = 0.292 }, new() { x = 0.170, y = 0.797 }, new() { x = 0.131, y = 0.046 }, new() { x = 0.3127, y = 0.3290 });
+
+    }
+}
@@ -0,0 +1,38 @@
+using System.ComponentModel;
+
+namespace MHC2Gen;
+
+public enum SDRTransferFunction
+{
+    [Description("BT.1886")]
+    BT_1886 = 0,
+    [Description("Pure Power")]
+    PurePower = 1,
+    [Description("Piecewise")]
+    Piecewise = 2
+}
+
+public enum ColorGamut
+{
+    Native = 0,
+    sRGB = 1,
+    P3 = 2,
+    Rec2020 = 3,
+    AdobeRGB = 4
+}
+
+public class GenerateProfileCommand
+{
+    public string Description { get; set; }
+    public RgbPrimaries DevicePrimaries { get; set; } = new RgbPrimaries(RgbPrimaries.sRGB);
+    public SDRTransferFunction SDRTransferFunction { get; set; }
+    public ColorGamut ColorGamut { get; set; }
+    public double MinCLL { get; set; }
+    public double MaxCLL { get; set; }
+    public double WhiteLuminance { get; set; } = 2000;
+    public double BlackLuminance { get; set; } = 0;
+    public double SDRMinBrightness { get; set; } = 0;
+    public double SDRMaxBrightness { get; set; } = 100;
+    public double SDRBrightnessBoost { get; set; } = 0;
+    public double Gamma { get; set; } = 2.2;
+}
@@ -206,6 +206,11 @@ The best and suggested method to provide this is via a Windows Service. Only whe
            return name.Substring(0, 1).ToUpper() + name.Substring(1);
        }

+        public static Dictionary<T, string> EnumToDictionary<T>() where T : struct, Enum
+        {
+            return Enum.GetValues<T>().ToDictionary(k => k, e => e.GetDescription());
+        }
+
        public static string GetDescriptionByEnumName<T>(string value) where T : IConvertible
        {
            string description = null;
@@ -0,0 +1,26 @@
+namespace ColorControl.Shared.Contracts.NVIDIA;
+
+public class NvColorEnhancementSettings
+{
+    public int DigitalVibranceLevel { get; set; } = 50;
+    public int HueAngle { get; set; }
+
+    public NvColorEnhancementSettings()
+    {
+    }
+
+    public NvColorEnhancementSettings(NvColorEnhancementSettings settings)
+    {
+        settings ??= new NvColorEnhancementSettings();
+
+        DigitalVibranceLevel = settings.DigitalVibranceLevel;
+        HueAngle = settings.HueAngle;
+    }
+
+    public override string ToString()
+    {
+        var value = string.Empty;
+
+        return value;
+    }
+}
@@ -250,6 +250,16 @@ namespace ColorControl.Shared.Forms
            return item;
        }

+        public static void BuildMenuItemAndSub(ToolStripMenuItem parent, string text, string subText, EventHandler onClick)
+        {
+            var itemName = $"{parent.Name}_{text}";
+            var menuItem = BuildMenuItem(parent.DropDownItems, itemName, text);
+
+            var subItemName = $"{itemName}_SubItem";
+            var subItem = BuildMenuItem(menuItem.DropDownItems, subItemName, "", onClick: onClick);
+            subItem.Text = subText;
+        }
+
        public static void BuildComboBox<T>(ComboBox comboBox, params T[] skip) where T : IConvertible
        {
            if (comboBox.Items.Count == 0)
@@ -1,6 +1,7 @@
 using ColorControl.Shared.Forms;
 using NWin32;
 using System.ComponentModel;
+using System.IO;
 using System.Runtime.InteropServices;

 namespace ColorControl.Shared.Native
@@ -8,7 +9,6 @@ namespace ColorControl.Shared.Native
    // This class takes care of wrapping "Connecting and Configuring Displays(CCD) Win32 API"
    public static class CCD
    {
-        private static bool? IsHDRActive = null;
        delegate (T, bool) DisplayConfigModeInfoDelegate<T>(DisplayConfigModeInfo modeInfo);

        public enum DisplayTopology
@@ -62,66 +62,6 @@ namespace ColorControl.Shared.Native
            }
        }

-        public static void SetHDRState(bool enabled, string displayName = null)
-        {
-            uint pathCount, modeCount;
-
-            var err = NativeMethods.GetDisplayConfigBufferSizes(QueryDisplayFlags.OnlyActivePaths, out pathCount, out modeCount);
-            if (err == NativeConstants.ERROR_SUCCESS)
-            {
-                var pathsArray = new DisplayConfigPathInfo[pathCount];
-                var modesArray = new DisplayConfigModeInfo[modeCount];
-
-                DisplayConfigTopologyId displayTopology;
-
-                err = NativeMethods.QueryDisplayConfig(QueryDisplayFlags.DatabaseCurrent, ref pathCount, pathsArray, ref modeCount, modesArray, out displayTopology);
-                if (err == NativeConstants.ERROR_SUCCESS)
-                {
-                    foreach (var path in pathsArray)
-                    {
-                        if (!MatchDisplayNames(path, displayName))
-                        {
-                            continue;
-                        }
-
-                        var setpacket = new DISPLAYCONFIG_SET_ADVANCED_COLOR_INFO();
-                        setpacket.header = new DISPLAYCONFIG_DEVICE_INFO_HEADER();
-                        setpacket.header.type = DISPLAYCONFIG_DEVICE_INFO_TYPE.DISPLAYCONFIG_DEVICE_INFO_SET_ADVANCED_COLOR_STATE;
-                        setpacket.header.size = Marshal.SizeOf<DISPLAYCONFIG_SET_ADVANCED_COLOR_INFO>();
-
-                        var requestpacket = new DISPLAYCONFIG_GET_ADVANCED_COLOR_INFO();
-                        requestpacket.header = new DISPLAYCONFIG_DEVICE_INFO_HEADER();
-                        requestpacket.header.type = DISPLAYCONFIG_DEVICE_INFO_TYPE.DISPLAYCONFIG_DEVICE_INFO_GET_ADVANCED_COLOR_INFO;
-                        requestpacket.header.size = Marshal.SizeOf<DISPLAYCONFIG_GET_ADVANCED_COLOR_INFO>();
-
-                        for (int i = 0; i < modeCount; i++)
-                        {
-                            if (modesArray[i].infoType == DisplayConfigModeInfoType.Target)
-                            {
-                                setpacket.header.adapterId = modesArray[i].adapterId;
-                                setpacket.header.id = modesArray[i].id;
-                                requestpacket.header.adapterId = modesArray[i].adapterId;
-                                requestpacket.header.id = modesArray[i].id;
-
-                                if (NativeMethods.DisplayConfigGetDeviceInfo(ref requestpacket) == NativeConstants.ERROR_SUCCESS && requestpacket.advancedColorSupported)
-                                {
-                                    setpacket.enableAdvancedColor = enabled ? 1U : 0;
-                                    NativeMethods.DisplayConfigSetDeviceInfo(ref setpacket);
-
-                                    IsHDRActive = enabled;
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-
-            if (err != NativeConstants.ERROR_SUCCESS)
-            {
-                throw new Win32Exception(err);
-            }
-        }
-
        public static LUID GetAdapterId(string displayName = null)
        {
            return ExecuteForModeConfig((modeInfo) =>
@@ -164,6 +104,13 @@ namespace ColorControl.Shared.Native
            return true;
        }

+        public static bool UninstallColorProfile(string profileName)
+        {
+            var name = Path.GetFileName(profileName);
+            return NativeMethods.UninstallColorProfileW(null, name, true);
+        }
+
+
        private static bool MinRequiredVersion = true;

        public static bool AddDisplayColorProfile(string displayName, string profileName, bool setAsDefault = true)
@@ -386,56 +333,22 @@ namespace ColorControl.Shared.Native
            );
        }

-        private static T ExecuteForModeConfig<T>(DisplayConfigModeInfoDelegate<T> infoDelegate, string displayName = null)
+        public static ColorParams GetColorParams(string displayName = null)
        {
-            uint pathCount, modeCount;
-
-            var err = NativeMethods.GetDisplayConfigBufferSizes(QueryDisplayFlags.OnlyActivePaths, out pathCount, out modeCount);
-            if (err == NativeConstants.ERROR_SUCCESS)
+            return ExecuteForModeConfig((modeInfo) =>
            {
-                var pathsArray = new DisplayConfigPathInfo[pathCount];
-                var modesArray = new DisplayConfigModeInfo[modeCount];
-
-                DisplayConfigTopologyId displayTopology;
-
-                err = NativeMethods.QueryDisplayConfig(QueryDisplayFlags.DatabaseCurrent, ref pathCount, pathsArray, ref modeCount, modesArray, out displayTopology);
-                if (err == NativeConstants.ERROR_SUCCESS)
+                if (modeInfo.infoType == DisplayConfigModeInfoType.Source)
                {
-                    foreach (var path in pathsArray)
-                    {
-                        if (!MatchDisplayNames(path, displayName))
-                        {
-                            continue;
-                        }
-
-                        for (int i = 0; i < modeCount; i++)
-                        {
-                            var result = infoDelegate(modesArray[i]);
-
-                            if (!result.Item2)
-                            {
-                                return result.Item1;
-                            }
-                        }
-                    }
+                    return (GetColorParamsForDisplayConfig(modeInfo), false);
                }
-            }

-            if (err != NativeConstants.ERROR_SUCCESS)
-            {
-                throw new Win32Exception(err);
-            }
-
-            return default;
+                return (new ColorParams(), true);
+            }, displayName
+            );
        }

-        public static bool IsHDREnabled(string displayName = null)
+        private static T ExecuteForModeConfig<T>(DisplayConfigModeInfoDelegate<T> infoDelegate, string displayName = null)
        {
-            if (IsHDRActive.HasValue)
-            {
-                return IsHDRActive.Value;
-            }
-
            uint pathCount, modeCount;

            var err = NativeMethods.GetDisplayConfigBufferSizes(QueryDisplayFlags.OnlyActivePaths, out pathCount, out modeCount);
@@ -454,30 +367,116 @@ namespace ColorControl.Shared.Native
                            continue;
                        }

-                        var requestpacket = new DISPLAYCONFIG_GET_ADVANCED_COLOR_INFO();
-                        requestpacket.header = new DISPLAYCONFIG_DEVICE_INFO_HEADER();
-                        requestpacket.header.type = DISPLAYCONFIG_DEVICE_INFO_TYPE.DISPLAYCONFIG_DEVICE_INFO_GET_ADVANCED_COLOR_INFO;
-                        requestpacket.header.size = Marshal.SizeOf<DISPLAYCONFIG_GET_ADVANCED_COLOR_INFO>();
+                        var modes = modesArray.Where(m => m.id == path.sourceInfo.id || m.id == path.targetInfo.id);

-                        for (int i = 0; i < modeCount; i++)
+                        foreach (var mode in modes)
                        {
-                            if (modesArray[i].infoType == DisplayConfigModeInfoType.Target)
+                            var result = infoDelegate(mode);
+
+                            if (!result.Item2)
                            {
-                                requestpacket.header.adapterId = modesArray[i].adapterId;
-                                requestpacket.header.id = modesArray[i].id;
-
-                                err = NativeMethods.DisplayConfigGetDeviceInfo(ref requestpacket);
-
-                                IsHDRActive = err == NativeConstants.ERROR_SUCCESS && requestpacket.advancedColorEnabled;
-
-                                return IsHDRActive.Value;
+                                return result.Item1;
                            }
                        }
                    }
                }
            }

-            return false;
+            if (err != NativeConstants.ERROR_SUCCESS)
+            {
+                throw new Win32Exception(err);
+            }
+
+            return default;
+        }
+
+        public static void SetHDRState(bool enabled, string displayName = null)
+        {
+            ExecuteForModeConfig((modeInfo) =>
+            {
+                if (modeInfo.infoType == DisplayConfigModeInfoType.Target)
+                {
+                    var requestpacket = new DISPLAYCONFIG_GET_ADVANCED_COLOR_INFO();
+                    requestpacket.header = new DISPLAYCONFIG_DEVICE_INFO_HEADER();
+                    requestpacket.header.type = DISPLAYCONFIG_DEVICE_INFO_TYPE.DISPLAYCONFIG_DEVICE_INFO_GET_ADVANCED_COLOR_INFO;
+                    requestpacket.header.size = Marshal.SizeOf<DISPLAYCONFIG_GET_ADVANCED_COLOR_INFO>();
+                    requestpacket.header.adapterId = modeInfo.adapterId;
+                    requestpacket.header.id = modeInfo.id;
+
+                    if (NativeMethods.DisplayConfigGetDeviceInfo(ref requestpacket) == NativeConstants.ERROR_SUCCESS && requestpacket.advancedColorSupported)
+                    {
+                        var setpacket = new DISPLAYCONFIG_SET_ADVANCED_COLOR_INFO();
+                        setpacket.header = new DISPLAYCONFIG_DEVICE_INFO_HEADER();
+                        setpacket.header.type = DISPLAYCONFIG_DEVICE_INFO_TYPE.DISPLAYCONFIG_DEVICE_INFO_SET_ADVANCED_COLOR_STATE;
+                        setpacket.header.size = Marshal.SizeOf<DISPLAYCONFIG_SET_ADVANCED_COLOR_INFO>();
+                        setpacket.header.adapterId = modeInfo.adapterId;
+                        setpacket.header.id = modeInfo.id;
+
+                        setpacket.enableAdvancedColor = enabled ? 1U : 0;
+                        NativeMethods.DisplayConfigSetDeviceInfo(ref setpacket);
+
+                        if (displayName != null)
+                        {
+                            _IsHDREnabledPerDisplay[displayName] = enabled;
+                        }
+                        _IsHDREnabledPerDisplay[""] = _IsHDREnabledPerDisplay.Any(kv => kv.Value);
+                    }
+
+                    return (false, false);
+                }
+
+                return (false, true);
+            }, displayName
+            );
+        }
+
+        public static (bool isSupported, bool isEnabled) GetAdvancedColorSupportedAndEnabled(string displayName = null)
+        {
+            return ExecuteForModeConfig((modeInfo) =>
+            {
+                if (modeInfo.infoType == DisplayConfigModeInfoType.Target)
+                {
+                    var requestpacket = new DISPLAYCONFIG_GET_ADVANCED_COLOR_INFO();
+                    requestpacket.header = new DISPLAYCONFIG_DEVICE_INFO_HEADER();
+                    requestpacket.header.type = DISPLAYCONFIG_DEVICE_INFO_TYPE.DISPLAYCONFIG_DEVICE_INFO_GET_ADVANCED_COLOR_INFO;
+                    requestpacket.header.size = Marshal.SizeOf<DISPLAYCONFIG_GET_ADVANCED_COLOR_INFO>();
+                    requestpacket.header.adapterId = modeInfo.adapterId;
+                    requestpacket.header.id = modeInfo.id;
+
+                    var err = NativeMethods.DisplayConfigGetDeviceInfo(ref requestpacket);
+
+                    var result = err == NativeConstants.ERROR_SUCCESS ? (requestpacket.advancedColorSupported, requestpacket.advancedColorEnabled) : (false, false);
+
+                    return (result, false);
+                }
+
+                return ((false, false), true);
+            }, displayName
+            );
+        }
+
+        private static Dictionary<string, bool> _IsHDREnabledPerDisplay = new Dictionary<string, bool>();
+
+        public static bool IsHDREnabled(string displayName = null)
+        {
+            if (_IsHDREnabledPerDisplay.Any())
+            {
+                if (displayName == null)
+                {
+                    return _IsHDREnabledPerDisplay.Any(kv => kv.Value);
+                }
+
+                if (_IsHDREnabledPerDisplay.TryGetValue(displayName, out var value))
+                {
+                    return value;
+                }
+            }
+
+            var isEnabled = GetAdvancedColorSupportedAndEnabled(displayName).isEnabled;
+
+            _IsHDREnabledPerDisplay[displayName ?? ""] = isEnabled;
+
+            return isEnabled;
        }

        private static bool MatchDisplayNames(DisplayConfigPathInfo path, string displayName)
@@ -528,6 +527,30 @@ namespace ColorControl.Shared.Native
            return 0;
        }

+        private static ColorParams GetColorParamsForDisplayConfig(DisplayConfigModeInfo displayConfigModeInfo)
+        {
+            var requestpacket = new DISPLAYCONFIG_GET_DISPLAY_INFO();
+            requestpacket.header = new DISPLAYCONFIG_DEVICE_INFO_HEADER();
+            unchecked
+            {
+                requestpacket.header.type = (DISPLAYCONFIG_DEVICE_INFO_TYPE)DISPLAYCONFIG_DEVICE_INFO_GET_DISPLAY_INFO;
+            }
+            requestpacket.header.size = Marshal.SizeOf<DISPLAYCONFIG_GET_DISPLAY_INFO>();
+            requestpacket.header.adapterId = displayConfigModeInfo.adapterId;
+            requestpacket.header.id = displayConfigModeInfo.id;
+
+            var error = NativeMethods.DisplayConfigGetDeviceInfo(ref requestpacket);
+
+            if (error == NativeConstants.ERROR_SUCCESS)
+            {
+                return requestpacket.colorParams;
+            }
+
+            //throw new Win32Exception(error);
+
+            return new ColorParams();
+        }
+
        private static bool EqualDisplayNames(string displayName1, string displayName2)
        {
            displayName1 = displayName1.Replace("\\", string.Empty);
@@ -559,6 +582,8 @@ namespace ColorControl.Shared.Native
            DISPLAYCONFIG_DEVICE_INFO_SET_SDR_WHITE_LEVEL = 12,
        }

+        private const uint DISPLAYCONFIG_DEVICE_INFO_GET_DISPLAY_INFO = 0xFFFFFFFE;
+
        [StructLayout(LayoutKind.Sequential)]
        private struct DISPLAYCONFIG_DEVICE_INFO_HEADER
        {
@@ -880,6 +905,36 @@ namespace ColorControl.Shared.Native
            DISPLAYCONFIG_COLOR_ENCODING_INTENSITY = 4,
        }

+        [StructLayout(LayoutKind.Sequential)]
+        public struct ColorParams
+        {
+            // to get actual values: divide by 2^10 (precision equivalent to edid values)
+            // on newer w11, the divisor is 2^20 instead
+            public uint RedPointX;
+            public uint RedPointY;
+            public uint GreenPointX;
+            public uint GreenPointY;
+            public uint BluePointX;
+            public uint BluePointY;
+            public uint WhitePointX;
+            public uint WhitePointY;
+            // rest stored as nits * 10000
+            public uint MinLuminance;
+            public uint MaxLuminance;
+            public uint MaxFullFrameLuminance;
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        private struct DISPLAYCONFIG_GET_DISPLAY_INFO
+        {
+            public DISPLAYCONFIG_DEVICE_INFO_HEADER header;
+            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 1964)]
+            public byte[] Stuff1;
+            public ColorParams colorParams;
+            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 28)]
+            public byte[] Stuff2;
+        }
+
        [StructLayout(LayoutKind.Sequential)]
        private struct DISPLAYCONFIG_GET_ADVANCED_COLOR_INFO
        {
@@ -1046,9 +1101,13 @@ namespace ColorControl.Shared.Native
            [DllImport("user32")]
            public static extern int DisplayConfigGetDeviceInfo(ref DISPLAYCONFIG_SDR_WHITE_LEVEL requestPacket);

+            [DllImport("user32")]
+            public static extern int DisplayConfigGetDeviceInfo(ref DISPLAYCONFIG_GET_DISPLAY_INFO requestPacket);
            [DllImport("mscms", CharSet = CharSet.Unicode)]
            public static extern bool InstallColorProfileW(string machineName, string profilename);

+            [DllImport("mscms", CharSet = CharSet.Unicode)]
+            public static extern bool UninstallColorProfileW(string machineName, string profilename, bool delete);
            [DllImport("mscms", CharSet = CharSet.Unicode)]
            public static extern int ColorProfileSetDisplayDefaultAssociation(WCS_PROFILE_MANAGEMENT_SCOPE scope, string profilename, COLORPROFILETYPE profiletype, COLORPROFILESUBTYPE profilesubtype, LUID targetadapterid, uint sourceid);

@@ -0,0 +1,87 @@
+namespace ColorControl.Shared.Native;
+
+public static class CmsFunctions
+{
+
+    private const double PQ_M1 = 0.1593017578125;
+    private const double PQ_M2 = 78.84375;
+    private const double PQ_C1 = 0.8359375;
+    private const double PQ_C2 = 18.8515625;
+    private const double PQ_C3 = 18.6875;
+
+    public static double PqEotf(double signalValue)
+    {
+        var signalValuePow = Math.Pow(signalValue, 1D / PQ_M2);
+
+        var value1 = Math.Max(signalValuePow - PQ_C1, 0);
+        var value2 = PQ_C2 - PQ_C3 * signalValuePow;
+
+        var luminance = 10000D * Math.Pow(value1 / value2, 1D / PQ_M1);
+
+        return luminance;
+    }
+
+    public static double InvPqEotf(double luminance)
+    {
+        var normalizedLuminance = luminance / 10000D;
+
+        var luminancePow = Math.Pow(normalizedLuminance, PQ_M1);
+
+        var value1 = PQ_C1 + PQ_C2 * luminancePow;
+        var value2 = 1 + PQ_C3 * luminancePow;
+
+        var signalValue = Math.Pow(value1 / value2, PQ_M2);
+
+        return signalValue;
+    }
+
+    public static double SrgbInvEotf(double luminance, double whiteLuminance, double blackLuminance, double gamma = 2.4)
+    {
+        //const double X1 = 0.0404482362771082;
+        const double X2 = 0.00313066844250063;
+
+        var x = (luminance - blackLuminance) / (whiteLuminance - blackLuminance);
+
+        if (x > 1)
+        {
+            x = 1;
+        }
+        else if (x < 0)
+        {
+            x = 0;
+        }
+        else if (x <= X2)
+        {
+            x *= 12.92;
+        }
+        else
+        {
+            x = 1.055 * Math.Pow(x, 1 / gamma) - 0.055;
+        }
+
+        return x;
+    }
+
+    public static (double, double) SrgbAcm(int signalValue, double whiteLuminance, double blackLuminance = 0, double gamma = 2.2)
+    {
+        var b = signalValue / 1023;
+        var c = PqEotf(b);
+        var d = SrgbInvEotf(c, whiteLuminance, blackLuminance);
+        var e = blackLuminance + (whiteLuminance - blackLuminance) * Math.Pow(d, gamma);
+        var f = InvPqEotf(Math.Max(0, e));
+        var x = f + Math.Min(1, c / whiteLuminance) * (b - f);
+
+        return (b, x);
+    }
+
+    public static double GammaRgb(double signalValue, double gamma = 2.4)
+    {
+        return signalValue <= 0.0031308 ? signalValue * 12.92 : 1.055 * Math.Pow(signalValue, 1.0 / gamma) - 0.055;
+    }
+
+    public static double RgbToLinear(double signalValue, double gamma = 2.4)
+    {
+        return signalValue <= 0.04045 ? signalValue / 12.92 : Math.Pow((signalValue + 0.055) / 1.055, gamma);
+    }
+
+}
@@ -1,4 +1,5 @@
 using ColorControl.Shared.Contracts;
+using ColorControl.Shared.Native;
 using Microsoft.Win32;
 using Microsoft.Win32.TaskScheduler;
 using NWin32;
@@ -336,6 +337,18 @@ namespace ColorControl.Shared.Services
            }
        }

+        public bool UninstallColorProfile(string filename)
+        {
+            if (!_winApiService.IsAdministrator())
+            {
+                return _rpcService.Call<bool>(nameof(UninstallColorProfile), filename);
+            }
+
+            var deleteResult = CCD.UninstallColorProfile(filename);
+
+            return deleteResult;
+        }
+
        private static bool UpdateShortcut(string path, string arguments, bool removeArguments = false)
        {
            if (File.Exists(path))
@@ -0,0 +1,52 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using System.Runtime.CompilerServices;
+
+namespace ColorControl.Shared.XForms;
+
+public abstract class BaseViewModel : IDataErrorInfo, INotifyPropertyChanged
+{
+    public virtual string Error => null;
+    public bool IsValid { get; set; }
+
+    public event PropertyChangedEventHandler PropertyChanged;
+    protected void OnPropertyChanged([CallerMemberName] string propName = "") => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propName));
+
+    public virtual string this[string columnName]
+    {
+        get
+        {
+            var validationResults = new List<ValidationResult>();
+
+            var fieldValid = Validator.TryValidateProperty(GetType().GetProperty(columnName).GetValue(this)
+                    , new ValidationContext(this)
+                    {
+                        MemberName = columnName
+                    }
+                    , validationResults);
+
+            bool isValid;
+            if (fieldValid)
+            {
+                var allValidationResults = new List<ValidationResult>();
+                isValid = PreValidate() && Validator.TryValidateObject(this, new ValidationContext(this), allValidationResults, true);
+            }
+            else
+            {
+                isValid = false;
+            }
+            if (isValid != IsValid)
+            {
+                IsValid = isValid;
+                OnPropertyChanged("IsValid");
+            }
+
+            return fieldValid ? null : validationResults.First().ErrorMessage;
+        }
+    }
+
+    public virtual bool PreValidate()
+    {
+        return true;
+    }
+}
@@ -271,6 +271,10 @@ namespace novideo_srgb
            }
            catch
            {
+                if (display == null)
+                {
+                    throw new InvalidOperationException("No display");
+                }
                return new EDID(display.Output.PhysicalGPU.ReadEDIDData(display.Output));
            }
        }