/// <summary>
/// Adjusts brightness modifying lightness channel of Lab color space
/// </summary>
private static void AdjustLightnessLab()
{
using (var lChannel = new Bitmap())
using (var aChannel = new Bitmap())
using (var bChannel = new Bitmap())
{
using (var reader = ImageReader.Create("../../../../_Input/Chicago.jpg"))
using (var labConverter = new ColorConverter(PixelFormat.Format24bppLab))
using (var splitter = new LabChannelSplitter())
{
splitter.L = lChannel;
splitter.A = aChannel;
splitter.B = bChannel;
Pipeline.Run(reader + labConverter + splitter);
}
lChannel.ColorAdjustment.Brightness(brightnessAmount);
using (var combiner = new LabChannelCombiner())
using (var rgbConverter = new ColorConverter(PixelFormat.Format24bppRgb))
using (var writer = ImageWriter.Create("../../../../_Output/AdjustLightnessLab.jpg"))
{
combiner.L = lChannel;
combiner.A = aChannel;
combiner.B = bChannel;
rgbConverter.DestinationProfile = ColorProfile.FromSrgb();
Pipeline.Run(combiner + rgbConverter + writer);
}
}
}
private Pipeline CreateTilePipeline(Rectangle boundsOnResizedImage)
{
var tilePipeline = new Pipeline();
var fileCache = FileCache.GetInstance();
var fileName = _filePrefix + "_" + _tiles.Count + _fileExtension;
fileCache.RegisterPublicTempFileName(fileName, false);
tilePipeline.Add(new Crop(boundsOnResizedImage));
if ((_bitmapViewer.SourceImageParams.ColorProfile != null && _bitmapViewer.SourceImageParams.ColorProfile.ColorSpace == ColorSpace.Cmyk) ||
_bitmapViewer.SourceImageParams.PixelFormat.HasAlpha)
{
var cc = new Transforms.ColorConverter(PixelFormat.Format24bppRgb)
{
ColorManagementEngine =
ColorManagementEngine.LittleCms,
DestinationProfile = ColorProfile.FromSrgb()
};
tilePipeline.Add(cc);
}
tilePipeline.Add(ImageWriter.Create(fileCache.GetAbsolutePublicCachePath(fileName), _encoderOptions));
return(tilePipeline);
}
/// <summary>
/// Sets embedded profile
/// </summary>
private static void SetEmbeddedProfile()
{
using (var bitmap = new Bitmap("../../../../_Input/Chicago.jpg"))
{
bitmap.ColorProfile = ColorProfile.FromSrgb();
bitmap.Save("../../../../_Output/SetEmbeddedProfile.jpg");
}
}
/// <summary>
/// Converts colors using LittleCMS
/// </summary>
private static void ConvertColorsLittleCms()
{
using (var bitmap = new Bitmap("../../../../_Input/Copenhagen_CMYK.jpg"))
{
// LittleCMS is a default color management engine, so no need to specify it
// bitmap.ColorManagement.ColorManagementEngine = ColorManagementEngine.LittleCms;
bitmap.ColorManagement.DestinationProfile = ColorProfile.FromSrgb();
bitmap.ColorManagement.Convert(PixelFormat.Format24bppRgb);
bitmap.Save("../../../../_Output/ConvertColorsLittleCms.jpg");
}
}
private static void CmykToRgbWithColorManagement()
{
CmykColor cmykColor = new CmykColor(20, 42, 211, 40)
{
Profile = new ColorProfile("../../../../_Input/ColorProfiles/ISOcoated_v2_eci.icc")
};
RgbColor rgbColor = cmykColor.To <RgbColor>(ColorProfile.FromSrgb());
Console.WriteLine("With color management: {0} to {1}", cmykColor, rgbColor);
}
/// <summary>
/// Converts color space from CMYK to RGB with color management using memory-friendly Pipeline API
/// </summary>
private static void CmykToRgbWithColorManagementMemoryFriendly()
{
using (var reader = ImageReader.Create("../../../../_Input/Copenhagen_CMYK.jpg"))
using (var converter = new ColorConverter(PixelFormat.Format24bppRgb))
using (var writer = ImageWriter.Create("../../../../_Output/CmykToRgbWithColorManagementMemoryFriendly.jpg"))
{
converter.DestinationProfile = ColorProfile.FromSrgb();
Pipeline.Run(reader + converter + writer);
}
}
private static void RgbToLabWithColorManagement()
{
RgbColor rgbColor = new RgbColor(223, 210, 30)
{
Profile = ColorProfile.FromSrgb()
};
LabColor labColor = rgbColor.To <LabColor>();
Console.WriteLine("With color management: {0} to {1}", rgbColor, labColor);
}
/// <summary>
/// Converts color space from CMYK to RGB with color management
/// </summary>
private static void CmykToRgbWithColorManagement()
{
using (var bitmap = new Bitmap("../../../../_Input/Copenhagen_CMYK.jpg"))
{
bitmap.ColorManagement.DestinationProfile = ColorProfile.FromSrgb();
bitmap.ColorManagement.Convert(PixelFormat.Format24bppRgb);
bitmap.Save("../../../../_Output/CmykToRgbWithColorManagement.jpg");
}
}
private static LabColor RgbToLabColor(RgbColor color)
{
using (var bitmap = new Aurigma.GraphicsMill.Bitmap(1, 1, PixelFormat.Format24bppRgb, color))
{
bitmap.ColorProfile = ColorProfile.FromSrgb();
bitmap.ColorManagement.Convert(PixelFormat.Format24bppLab);
return((LabColor)bitmap.GetPixel(0, 0));
}
}
private static void RgbToCmykWithColorManagement()
{
RgbColor rgbColor = new RgbColor(253, 202, 12)
{
Profile = ColorProfile.FromSrgb()
};
CmykColor cmykColor = rgbColor.To <CmykColor>("../../../../_Input/ColorProfiles/ISOcoated_v2_eci.icc", transformationIntent: ColorTransformationIntent.Perceptual);
Console.WriteLine("With color management: {0} to {1}", rgbColor, cmykColor);
}
/// <summary>
/// Converts pixel format to Format24bppRgb (RGB, 8-bit per channel, no alpha channel)
/// </summary>
private static void ConvertTo24bppRgb(string inputPath, string outputPath)
{
using (var bitmap = new Bitmap(inputPath))
{
if (bitmap.PixelFormat.IsRgb && bitmap.PixelFormat != PixelFormat.Format24bppRgb)
{
bitmap.ColorManagement.BackgroundColor = RgbColor.White;
// Assign some default color profile
if (bitmap.ColorProfile == null)
{
bitmap.ColorProfile = ColorProfile.FromSrgb();
}
bitmap.ColorManagement.DestinationProfile = ColorProfile.FromSrgb();
bitmap.ColorManagement.Convert(PixelFormat.Format24bppRgb);
}
if (bitmap.PixelFormat.IsGrayscale)
{
bitmap.ColorManagement.BackgroundColor = new GrayscaleColor(255);
// Assign some default color profile
if (bitmap.ColorProfile == null)
{
bitmap.ColorProfile = new ColorProfile("../../../../_Input/ColorProfiles/ISOnewspaper26v4_gr.icc");
}
bitmap.ColorManagement.DestinationProfile = ColorProfile.FromSrgb();
bitmap.ColorManagement.Convert(PixelFormat.Format24bppRgb);
}
if (bitmap.PixelFormat.IsCmyk)
{
bitmap.ColorManagement.BackgroundColor = new CmykColor(0, 0, 0, 0, 255);
// Assign some default color profile
if (bitmap.ColorProfile == null)
{
bitmap.ColorProfile = new ColorProfile("../../../../_Input/ColorProfiles/ISOcoated_v2_eci.icc");
}
bitmap.ColorManagement.DestinationProfile = ColorProfile.FromSrgb();
bitmap.ColorManagement.Convert(PixelFormat.Format24bppRgb);
}
bitmap.Save(outputPath);
}
}
/// <summary>
/// Converts color space from CMYK to RGB with color management
/// </summary>
private static void ConvertCmykToRgbMemoryFriendly()
{
using (var reader = ImageReader.Create("../../../../_Input/Copenhagen_CMYK.jpg"))
using (var converter = new ColorConverter(PixelFormat.Format24bppRgb))
using (var writer = ImageWriter.Create("../../../../_Output/PF_ConvertCmykToRgbMemoryFriendly.jpg"))
{
converter.DefaultSourceProfile = new ColorProfile("../../../../_Input/ColorProfiles/ISOcoated_v2_eci.icc");
converter.DestinationProfile = ColorProfile.FromSrgb();
Pipeline.Run(reader + converter + writer);
}
}
/// <summary>
/// Converts colors using LittleCMS and memory-friendly Pipeline API
/// </summary>
private static void ConvertColorsLittleCmsMemoryFriendly()
{
using (var reader = ImageReader.Create("../../../../_Input/Copenhagen_CMYK.jpg"))
using (var converter = new ColorConverter())
using (var writer = ImageWriter.Create("../../../../_Output/ConvertColorsLittleCmsMemoryFriendly.jpg"))
{
// LittleCMS is a default color management engine, so no need to specify it
// converter.ColorManagementEngine = ColorManagementEngine.LittleCms;
converter.DestinationProfile = ColorProfile.FromSrgb();
Pipeline.Run(reader + converter + writer);
}
}
/// <summary>
/// Converts color space from RGB to CMYK with color management using memory-friendly Pipeline API
/// </summary>
private static void RgbToCmykMemoryFriendly()
{
using (var reader = ImageReader.Create("../../../../_Input/Copenhagen_RGB.jpg"))
using (var converter = new ColorConverter())
using (var writer = ImageWriter.Create("../../../../_Output/RgbToCmykWithColorManagementMemoryFriendly.jpg"))
{
converter.DestinationPixelFormat = PixelFormat.Format32bppCmyk;
converter.DefaultSourceProfile = ColorProfile.FromSrgb();
converter.DestinationProfile = new ColorProfile("../../../../_Input/ColorProfiles/ISOcoated_v2_eci.icc");
converter.TransformationIntent = ColorTransformationIntent.Perceptual;
Pipeline.Run(reader + converter + writer);
}
}
private static void Main(string[] args)
{
ShowColorProfileInfo(ColorProfile.FromSrgb());
ShowColorProfileInfo(new ColorProfile("../../../../_Input/ColorProfiles/ISOcoated_v2_eci.icc"));
ShowColorProfileInfo(new ColorProfile("../../../../_Input/ColorProfiles/ISOnewspaper26v4_gr.icc"));
GetEmbeddedProfile();
GetEmbeddedProfileMemoryFriendly();
SetEmbeddedProfile();
RetainEmbeddedProfile();
RetainEmbeddedProfileMemoryFriendly();
}
/// <summary>
/// Color proofing - CMYK to RGB using destination (screen) and target device profile
/// </summary>
private static void ColorProofing()
{
using (var reader = ImageReader.Create("../../../../_Input/Copenhagen_CMYK.jpg"))
using (var converter = new ColorConverter())
using (var writer = ImageWriter.Create("../../../../_Output/ColorProofing.jpg"))
{
// LittleCMS is a default color management engine, so no need to specify it
// converter.ColorManagementEngine = ColorManagementEngine.LittleCms;
converter.DestinationProfile = ColorProfile.FromSrgb();
converter.TargetDeviceProfile = new ColorProfile(@"../../../../_Input/ColorProfiles/ISOnewspaper26v4_gr.icc");
Pipeline.Run(reader + converter + writer);
}
}
/// <summary>
/// Converts pixel format to Format24bppRgb (RGB, 8-bit per channel, no alpha channel) using memory-friendly Pipeline API
/// </summary>
private static void ConvertTo24bppRgbMemoryFriendly(string inputPath, string outputPath)
{
using (var reader = ImageReader.Create(inputPath))
using (var converter = new ColorConverter(PixelFormat.Format24bppRgb))
using (var writer = ImageWriter.Create(outputPath))
{
if (reader.PixelFormat.IsRgb && reader.PixelFormat != PixelFormat.Format24bppRgb)
{
converter.BackgroundColor = RgbColor.White;
//Assign some default color profile
converter.DefaultSourceProfile = ColorProfile.FromSrgb();
converter.DestinationProfile = ColorProfile.FromSrgb();
Pipeline.Run(reader + converter + writer);
return;
}
if (reader.PixelFormat.IsGrayscale)
{
converter.BackgroundColor = new GrayscaleColor(255);
//Assign some default color profile
converter.DefaultSourceProfile = new ColorProfile("../../../../_Input/ColorProfiles/ISOnewspaper26v4_gr.icc");
converter.DestinationProfile = ColorProfile.FromSrgb();
Pipeline.Run(reader + converter + writer);
return;
}
if (reader.PixelFormat.IsCmyk)
{
converter.BackgroundColor = new CmykColor(0, 0, 0, 0, 255);
//Assign some default color profile
converter.DefaultSourceProfile = new ColorProfile("../../../../_Input/ColorProfiles/ISOcoated_v2_eci.icc");
converter.DestinationProfile = ColorProfile.FromSrgb();
Pipeline.Run(reader + converter + writer);
return;
}
//Or just copy file from inputPath to outputPath
Pipeline.Run(reader + writer);
}
}
/// <summary>
/// Generates an RGB preview of CMYK color conversion using memory-friendly Pipeline API
/// </summary>
private static void PreviewRgbToCmykOnScreenMemoryFriendly()
{
using (var reader = ImageReader.Create("../../../../_Input/Copenhagen_RGB.jpg"))
using (var converter = new ColorConverter())
using (var writer = ImageWriter.Create("../../../../_Output/PreviewRgbToCmykOnScreenMemoryFriendly.jpg"))
{
converter.DestinationPixelFormat = PixelFormat.Format24bppRgb;
converter.DefaultSourceProfile = ColorProfile.FromSrgb();
converter.TargetDeviceProfile = new ColorProfile("../../../../_Input/ColorProfiles/ISOcoated_v2_eci.icc");
converter.DestinationProfile = ColorProfile.FromScreen();
converter.TransformationIntent = ColorTransformationIntent.Perceptual;
Pipeline.Run(reader + converter + writer);
}
}
public static ColorProfile GetSrgbProfile()
{
if (_srgbColorProfile == null)
{
lock (_srgbSync)
{
if (_srgbColorProfile == null)
{
_srgbColorProfile = ColorProfile.FromSrgb();
}
}
}
return(_srgbColorProfile);
}
/// <summary>
/// Converts color space from RGB to CMYK with color management
/// </summary>
private static void RgbToCmyk()
{
using (var bitmap = new Bitmap("../../../../_Input/Copenhagen_RGB.jpg"))
{
if (bitmap.ColorProfile == null)
{
bitmap.ColorProfile = ColorProfile.FromSrgb();
}
bitmap.ColorManagement.DestinationProfile = new ColorProfile("../../../../_Input/ColorProfiles/ISOcoated_v2_eci.icc");
bitmap.ColorManagement.TransformationIntent = ColorTransformationIntent.Perceptual;
bitmap.ColorManagement.Convert(PixelFormat.Format32bppCmyk);
bitmap.Save("../../../../_Output/RgbToCmykWithColorManagement.jpg");
}
}
/// <summary>
/// Converts color space from CMYK (no assigned color profile) to RGB with color management
/// </summary>
private static void CmykNoProfileToRgbWithColorManagement()
{
using (var bitmap = new Bitmap("../../../../_Input/Copenhagen_CMYK_NoColorProfile.jpg"))
{
// Assign some default color profile
if (bitmap.ColorProfile == null)
{
bitmap.ColorProfile = new ColorProfile("../../../../_Input/ColorProfiles/ISOcoated_v2_eci.icc");
}
bitmap.ColorManagement.DestinationProfile = ColorProfile.FromSrgb();
bitmap.ColorManagement.Convert(PixelFormat.Format24bppRgb);
bitmap.Save("../../../../_Output/CmykNoProfileToRgbWithColorManagement.jpg");
}
}
/// <summary>
/// Generates an RGB preview of CMYK color conversion
/// </summary>
private static void PreviewRgbToCmykOnScreen()
{
using (var bitmap = new Bitmap("../../../../_Input/Copenhagen_RGB.jpg"))
{
if (bitmap.ColorProfile == null)
{
bitmap.ColorProfile = ColorProfile.FromSrgb();
}
bitmap.ColorManagement.TargetDeviceProfile = new ColorProfile("../../../../_Input/ColorProfiles/ISOcoated_v2_eci.icc");
bitmap.ColorManagement.DestinationProfile = ColorProfile.FromScreen();
bitmap.ColorManagement.Convert(PixelFormat.Format24bppRgb);
bitmap.Save("../../../../_Output/PreviewRgbToCmykOnScreen.jpg");
}
}
/// <summary>
/// Converts colors using Adobe Color Management Module (CMM) and memory-friendly Pipeline API
/// </summary>
private static void ConvertColorsAdobeCmmMemoryFriendly()
{
using (var reader = ImageReader.Create("../../../../_Input/Copenhagen_CMYK.jpg"))
using (var converter = new ColorConverter())
using (var writer = ImageWriter.Create("../../../../_Output/ConvertColorsAdobeCmmMemoryFriendly.jpg"))
{
converter.ColorManagementEngine = ColorManagementEngine.AdobeCmm;
converter.DestinationProfile = ColorProfile.FromSrgb();
try
{
Pipeline.Run(reader + converter + writer);
}
catch (CMAdobeModuleLoadException e)
{
Console.WriteLine("Can't load Adobe Color Management Module (CMM).\n" + e.Message);
Console.WriteLine("http://www.adobe.com/support/downloads/detail.jsp?ftpID=3618");
}
}
}
/// <summary>
/// Converts colors using Adobe Color Management Module (CMM)
/// </summary>
private static void ConvertColorsAdobeCmm()
{
using (var bitmap = new Bitmap("../../../../_Input/Copenhagen_CMYK.jpg"))
{
bitmap.ColorManagement.ColorManagementEngine = ColorManagementEngine.AdobeCmm;
bitmap.ColorManagement.DestinationProfile = ColorProfile.FromSrgb();
try
{
bitmap.ColorManagement.Convert(PixelFormat.Format24bppRgb);
}
catch (CMAdobeModuleLoadException e)
{
Console.WriteLine("Can't load Adobe Color Management Module (CMM).\n" + e.Message);
Console.WriteLine("http://www.adobe.com/support/downloads/detail.jsp?ftpID=3618");
return;
}
bitmap.Save("../../../../_Output/ConvertColorsAdobeCmm.jpg");
}
}
/// <summary>
/// Tints using Lab color space
/// </summary>
private static void TintUsingLab(RgbColor color)
{
// You can hardcode a = 20, b = 60 for sepia effect
var labColor = RgbToLabColor(color);
var a = labColor.A;
var b = labColor.B;
using (var lChannel = new Bitmap())
{
// Convert to Lab color space and get lightness channel
using (var reader = ImageReader.Create("../../../../_Input/Chicago.jpg"))
using (var labConverter = new ColorConverter(PixelFormat.Format24bppLab))
using (var splitter = new LabChannelSplitter())
{
splitter.L = lChannel;
Pipeline.Run(reader + labConverter + splitter);
}
// Create a and b channels, combine with lightness channel and convert to RGB color space
using (var combiner = new LabChannelCombiner())
using (var aChannel = new Bitmap(lChannel.Width, lChannel.Height, PixelFormat.Format8bppGrayscale,
new GrayscaleColor((byte)(a + 127))))
using (var bChannel = new Bitmap(lChannel.Width, lChannel.Height, PixelFormat.Format8bppGrayscale,
new GrayscaleColor((byte)(b + 127))))
using (var rgbConverter = new ColorConverter(PixelFormat.Format24bppRgb))
using (var writer = ImageWriter.Create("../../../../_Output/TintUsingLab_" + color.ToString() + ".jpg"))
{
combiner.L = lChannel;
combiner.A = aChannel;
combiner.B = bChannel;
rgbConverter.DestinationProfile = ColorProfile.FromSrgb();
Pipeline.Run(combiner + rgbConverter + writer);
}
}
}
/// <summary>
/// Adjusts hue modifying [a] component of Lab color space
/// </summary>
private static void AdjustColorsUsingLab()
{
// L - lightness
// a - green/red
// b - blue/yellow
using (var lChannel = new Bitmap())
using (var aChannel = new Bitmap())
using (var bChannel = new Bitmap())
{
using (var reader = ImageReader.Create("../../../../_Input/Chicago.jpg"))
using (var labConverter = new ColorConverter(PixelFormat.Format24bppLab))
using (var splitter = new LabChannelSplitter())
{
splitter.L = lChannel;
splitter.A = aChannel;
splitter.B = bChannel;
Pipeline.Run(reader + labConverter + splitter);
}
// Increase yellow
bChannel.ColorAdjustment.ChannelBalance(new float[] { 0.1f }, new float[] { 1f });
using (var combiner = new LabChannelCombiner())
using (var rgbConverter = new ColorConverter(PixelFormat.Format24bppRgb))
using (var writer = ImageWriter.Create("../../../../_Output/AdjustColorsUsingLab.jpg"))
{
combiner.L = lChannel;
combiner.A = aChannel;
combiner.B = bChannel;
rgbConverter.DestinationProfile = ColorProfile.FromSrgb();
Pipeline.Run(combiner + rgbConverter + writer);
}
}
}
/// <summary>
/// Corrects tone modifying lightness component of Lab color space
/// </summary>
private static void AdjustLevelsUsingLab()
{
// L - lightness
// a - green/red
// b - blue/yellow
using (var lChannel = new Bitmap())
using (var aChannel = new Bitmap())
using (var bChannel = new Bitmap())
{
using (var reader = ImageReader.Create("../../../../_Input/Chicago.jpg"))
using (var labConverter = new ColorConverter(PixelFormat.Format24bppLab))
using (var splitter = new LabChannelSplitter())
{
splitter.L = lChannel;
splitter.A = aChannel;
splitter.B = bChannel;
Pipeline.Run(reader + labConverter + splitter);
}
lChannel.ColorAdjustment.Levels(0.03F, 0.9F, 0.05F, 1.5F, 0.7F, HistogramMode.Sum);
using (var combiner = new LabChannelCombiner())
using (var rgbConverter = new ColorConverter(PixelFormat.Format24bppRgb))
using (var writer = ImageWriter.Create("../../../../_Output/AdjustLevelsUsingLab.jpg"))
{
combiner.L = lChannel;
combiner.A = aChannel;
combiner.B = bChannel;
rgbConverter.DestinationProfile = ColorProfile.FromSrgb();
Pipeline.Run(combiner + rgbConverter + writer);
}
}
}
private string SavePreviewImage()
{
if (!_previewImageEnabled)
{
return("");
}
var fileName = _fileCache.GetPublicTempFileName(".jpg");
var width = (int)(Math.Max(SourceImageParams.Width * ActualSizeHorizontalScale / _previewImageResizeRatio, 1));
var height = (int)(Math.Max(SourceImageParams.Height * ActualSizeVerticalScale / _previewImageResizeRatio, 1));
var pipeline = new Pipeline
{
ImageReader.Create(_fileCache.GetAbsolutePrivateCachePath(SourceCacheFilename)),
new Resize(width, height, ResizeInterpolationMode.Anisotropic9)
};
if ((SourceImageParams.ColorProfile != null && SourceImageParams.PixelFormat.ColorSpace != ColorSpace.Rgb) ||
SourceImageParams.PixelFormat.HasAlpha)
{
var cc = new Transforms.ColorConverter(PixelFormat.Format24bppRgb)
{
ColorManagementEngine = ColorManagementEngine.LittleCms,
DestinationProfile = ColorProfile.FromSrgb()
};
pipeline.Add(cc);
}
pipeline.Add(new JpegWriter(_fileCache.GetAbsolutePublicCachePath(fileName), 60));
pipeline.Run();
pipeline.DisposeAllElements();
return(_fileCache.GetRelativePublicCachePath(fileName));
}
