public static void Run()
{
// ExStart:SupportForJPEG-LSFormat
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_JPEG();
string sourceJpegFileName = @"c:\aspose.work\lena24b.jls";
string outputPngFileName = @"c:\aspose.work\\lena24b.png";
string outputPngRectFileName = @"c:\aspose.work\\lena24b_rect.png";
// Decoding
using (JpegImage jpegImage = (JpegImage)Image.Load(sourceJpegFileName))
{
JpegOptions jpegOptions = jpegImage.JpegOptions;
// You can read new options:
System.Console.WriteLine("Compression type: {0}", jpegOptions.CompressionType);
System.Console.WriteLine("Allowed lossy error (NEAR): {0}", jpegOptions.JpegLsAllowedLossyError);
System.Console.WriteLine("Interleaved mode (ILV): {0}", jpegOptions.JpegLsInterleaveMode);
System.Console.WriteLine("Horizontal sampling: {0}", ArrayToString(jpegOptions.HorizontalSampling));
System.Console.WriteLine("Vertical sampling: {0}", ArrayToString(jpegOptions.VerticalSampling));
// Save the original JPEG-LS image to PNG.
jpegImage.Save(outputPngFileName, new PngOptions());
// Save the bottom-right quarter of the original JPEG-LS to PNG
Rectangle quarter = new Rectangle(jpegImage.Width / 2, jpegImage.Height / 2, jpegImage.Width / 2, jpegImage.Height / 2);
jpegImage.Save(outputPngRectFileName, new PngOptions(), quarter);
}
}
public static void Run()
{
// ExStart:SupportForJPEGBITS
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_JPEG();
int bpp = 2; // Set 2 bits per sample to see the difference in size and quality
// The origin PNG with 8 bits per sample
string originPngFileName = System.IO.Path.Combine(dataDir, "lena_16g_lin.png");
// The output JPEG-LS with 2 bits per sample.
string outputJpegFileName = "lena24b " + bpp + "-bit Gold.jls";
using (PngImage pngImage = (PngImage)Image.Load(originPngFileName))
{
JpegOptions jpegOptions = new JpegOptions();
jpegOptions.BitsPerChannel = (byte)bpp;
jpegOptions.CompressionType = JpegCompressionMode.JpegLs;
pngImage.Save(outputJpegFileName, jpegOptions);
}
// The output PNG is produced from JPEG-LS to check image visually.
string outputPngFileName = "lena24b " + bpp + "-bit Gold.png";
using (JpegImage jpegImage = (JpegImage)Image.Load(outputJpegFileName))
{
jpegImage.Save(outputPngFileName, new PngOptions());
}
}
public static void Run()
{
// ExStart:SupportForCMYKAndYCCKColorModesInJPEGLossless
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_JPEG();
MemoryStream jpegStream = new MemoryStream();
try
{
// Save to JPEG Lossless CMYK
using (JpegImage image = (JpegImage)Image.Load("056.jpg"))
{
JpegOptions options = new JpegOptions();
options.ColorType = JpegCompressionColorMode.Cmyk;
options.CompressionType = JpegCompressionMode.Lossless;
// The default profiles will be used.
options.RgbColorProfile = null;
options.CmykColorProfile = null;
image.Save(jpegStream, options);
}
// Load from JPEG Lossless CMYK
jpegStream.Position = 0;
using (JpegImage image = (JpegImage)Image.Load(jpegStream))
{
image.Save("056_cmyk.png", new PngOptions());
}
}
finally
{
jpegStream.Dispose();
}
}
public static void Run()
{
// ExStart:ReadAllEXIFTags
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_JPEG();
// Load a Jpeg image from file path location or stream
using (JpegImage image = (JpegImage)Image.Load(dataDir + "aspose-logo.jpg"))
{
// Perform the automatic rotation on the image depending on the orientation data stored in the EXIF
image.AutoRotate();
// Save the result on disc or stream
image.Save(dataDir + "aspose-logo_out.jpg");
}
}
public static void Run()
{
// ExStart:AddThumbnailToJFIFSegment
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_JPEG();
using (MemoryStream stream = new MemoryStream())
{
JpegImage thumbnailImage = new JpegImage(100, 100);
JpegImage image = new JpegImage(1000, 1000);
image.Jfif = new JFIFData();
image.Jfif.Thumbnail = thumbnailImage;
image.Save(dataDir + stream + "_out.jpeg");
}
// ExEnd:AddThumbnailToJFIFSegment
}
public static void Run()
{
//ExStart:AddThumbnailToEXIFSegment
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_JPEG();
using (MemoryStream stream = new MemoryStream())
{
JpegImage thumbnailImage = new JpegImage(100, 100);
JpegImage image = new JpegImage(1000, 1000);
image.ExifData = new JpegExifData();
image.ExifData.Thumbnail = thumbnailImage;
image.Save(dataDir + stream + "_out.jpg");
}
//ExEnd:AddThumbnailToEXIFSegmentk
}
public static void Run()
{
// ExStart:SupportForCMYKAndYCCKColorModesInJPEGLosslessUsingRGBProfile
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_JPEG();
MemoryStream jpegStream = new MemoryStream();
FileStream rgbProfileStream = new FileStream("eciRGB_v2.icc", FileMode.Open);
FileStream cmykProfileStream = new FileStream("ISOcoated_v2_FullGamut4.icc", FileMode.Open);
Sources.StreamSource rgbColorProfile = new Sources.StreamSource(rgbProfileStream);
Sources.StreamSource cmykColorProfile = new Sources.StreamSource(cmykProfileStream);
try
{
// Save to JPEG Lossless CMYK
using (JpegImage image = (JpegImage)Image.Load("056.jpg"))
{
JpegOptions options = new JpegOptions();
options.ColorType = JpegCompressionColorMode.Cmyk;
options.CompressionType = JpegCompressionMode.Lossless;
// The custom profiles will be used.
options.RgbColorProfile = rgbColorProfile;
options.CmykColorProfile = cmykColorProfile;
image.Save(jpegStream, options);
}
// Load from JPEG Lossless CMYK
jpegStream.Position = 0;
rgbProfileStream.Position = 0;
cmykProfileStream.Position = 0;
using (JpegImage image = (JpegImage)Image.Load(jpegStream))
{
image.RgbColorProfile = rgbColorProfile;
image.CmykColorProfile = cmykColorProfile;
image.Save("056_cmyk_custom_profiles.png", new PngOptions());
}
}
finally
{
jpegStream.Dispose();
rgbProfileStream.Dispose();
cmykProfileStream.Dispose();
}
// ExEnd:SupportForCMYKAndYCCKColorModesInJPEGLosslessUsingRGBProfile
}
public static void Run()
{
//ExStart:ColorConversionUsingDefaultProfiles
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_ModifyingAndConvertingImages();
// Load an existing JPG image
using (JpegImage image = (JpegImage)Image.Load(dataDir + "aspose-logo_tn.jpg"))
{
StreamSource rgbprofile = new StreamSource(File.OpenRead(dataDir + "rgb.icc"));
StreamSource cmykprofile = new StreamSource(File.OpenRead(dataDir + "cmyk.icc"));
image.DestinationRgbColorProfile = rgbprofile;
image.DestinationCmykColorProfile = cmykprofile;
image.Save(dataDir + "ColorConversionUsingDefaultProfiles_out.icc");
}
//ExStart:ColorConversionUsingDefaultProfiles
}
public static void Run()
{
//ExStart:AutoCorrectOrientationOfJPEGImages
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_JPEG();
Console.WriteLine("Running example AutoCorrectOrientationOfJPEGImages");
// Load a Jpeg image from file path location or stream
using (JpegImage image = (JpegImage)Image.Load(dataDir + "aspose-logo.jpg"))
{
// Perform the automatic rotation on the image depending on the orientation data stored in the EXIF and Save the result on disc or stream
image.AutoRotate();
image.Save(dataDir + "aspose-logo_out.jpg");
}
Console.WriteLine("Finished example AutoCorrectOrientationOfJPEGImages");
//ExEnd:AutoCorrectOrientationOfJPEGImages
}
public static void Run()
{
//ExStart:AddThumbnailToJFIFSegment
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_JPEG();
Console.WriteLine("Running example AddThumbnailToJFIFSegment");
using (MemoryStream stream = new MemoryStream())
{
JpegImage thumbnailImage = new JpegImage(100, 100);
JpegImage image = new JpegImage(1000, 1000);
image.Jfif = new JFIFData();
image.Jfif.Thumbnail = thumbnailImage;
image.Save(dataDir + stream + "_out.jpeg");
}
Console.WriteLine("Finished example AddThumbnailToJFIFSegment");
//ExEnd:AddThumbnailToJFIFSegment
}
public static void Run()
{
// ExStart:SupportForJPEG-LSWithCMYK
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_JPEG();
MemoryStream jpegLsStream = new MemoryStream();
try
{
// Save to CMYK JPEG-LS
using (JpegImage image = (JpegImage)Image.Load("056.jpg"))
{
JpegOptions options = new JpegOptions();
//Just replace one line given below in examples to use YCCK instead of CMYK
//options.ColorType = JpegCompressionColorMode.Cmyk;
options.ColorType = JpegCompressionColorMode.Cmyk;
options.CompressionType = JpegCompressionMode.JpegLs;
// The default profiles will be used.
options.RgbColorProfile = null;
options.CmykColorProfile = null;
image.Save(jpegLsStream, options);
}
// Load from CMYK JPEG-LS
jpegLsStream.Position = 0;
using (JpegImage image = (JpegImage)Image.Load(jpegLsStream))
{
image.Save("056_cmyk.png", new PngOptions());
}
}
finally
{
jpegLsStream.Dispose();
}
}
public static void Run()
{
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_ModifyingAndConvertingImages();
//ExStart:ColorConversionUsingICCProfiles
// Create a new JpegImage.
using (JpegImage image = new JpegImage(500, 500))
{
// Fill image data.
int count = image.Width * image.Height;
int[] pixels = new int[count];
int r = 0;
int g = 0;
int b = 0;
int channel = 0;
for (int i = 0; i < count; i++)
{
if (channel % 3 == 0)
{
r++;
if (r == 256)
{
r = 0;
channel++;
}
}
else if (channel % 3 == 1)
{
g++;
if (g == 256)
{
g = 0;
channel++;
}
}
else
{
b++;
if (b == 256)
{
b = 0;
channel++;
}
}
pixels[i] = Color.FromArgb(r, g, b).ToArgb();
}
// Save the newly created pixels.
image.SaveArgb32Pixels(image.Bounds, pixels);
// Save the resultant image with default Icc profiles.
image.Save(dataDir + "Default_profiles.jpg");
// Update color profile.
StreamSource rgbprofile = new StreamSource(File.OpenRead(dataDir + "eciRGB_v2.icc"));
StreamSource cmykprofile = new StreamSource(File.OpenRead(dataDir + "ISOcoated_v2_FullGamut4.icc"));
image.RgbColorProfile = rgbprofile;
image.CmykColorProfile = cmykprofile;
// Save the resultant image with new YCCK profiles. You will notice differences in color values if compare the images.
JpegOptions options = new JpegOptions();
options.ColorType = JpegCompressionColorMode.Ycck;
image.Save(dataDir + "Ycck_profiles.jpg", options);
}
//ExEnd:ColorConversionUsingICCProfiles
}