public class CodecsImageInfo : IDisposable
@interface LTCodecsImageInfo : NSObject<NSCopying, NSSecureCoding>
public class CodecsImageInfo
public ref class CodecsImageInfo : public System.IDisposable
Note: For information about loading PDF files, refer to Implementing PDF Features.
using Leadtools;
using Leadtools.Codecs;
public void CodecsImageInfoExample()
{
RasterCodecs codecs = new RasterCodecs();
// Parse the colorspace types
CodecsColorSpaceType[] colorSpaceTypes = (CodecsColorSpaceType[])Enum.GetValues(typeof(CodecsColorSpaceType));
foreach (var colorSpaceType in colorSpaceTypes)
{
Debug.WriteLine($"Colorspace of image data: {colorSpaceType}");
}
// try a GIF - CodecsGifImageInfo reference
string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Eye_SavePage.gif");
CodecsImageInfo info = codecs.GetInformation(srcFileName, true);
info.GetPalette();
Debug.WriteLine("Information for: {0}", srcFileName);
Debug.WriteLine(string.Format("BitsPerPixel: {0}", info.BitsPerPixel));
Debug.WriteLine(string.Format("BytesPerLine: {0}", info.BytesPerLine));
Debug.WriteLine(string.Format("ColorSpace: {0}", info.ColorSpace.ToString()));
Debug.WriteLine(string.Format("Compression: {0}", info.Compression));
Debug.WriteLine(string.Format("Fax: {0}", info.Fax));
Debug.WriteLine(string.Format("Format: {0}", info.Format));
if (info.Gif.HasAnimationBackground)
Debug.WriteLine(string.Format("Gif.AnimationBackground: {0}", info.Gif.AnimationBackground.ToString()));
Debug.WriteLine(string.Format("Gif.AnimationHeight: {0}", info.Gif.AnimationHeight));
Debug.WriteLine(string.Format("Gif.AnimationWidth: {0}", info.Gif.AnimationWidth));
if (info.Gif.HasAnimationLoop)
Debug.WriteLine(string.Format("Gif.AnimationLoop: {0}", info.Gif.AnimationLoop.ToString()));
if (info.Gif.HasAnimationPalette)
{
RasterColor[] pal = info.Gif.GetAnimationPalette();
Debug.WriteLine("GifAnimationPalette:\n");
for (int x = 0; x < pal.Length; x++)
{
Console.Write("{0},", pal[x]);
}
Debug.WriteLine("\n");
}
Debug.WriteLine(string.Format("Gif.IsInterlaced: {0}", info.Gif.IsInterlaced.ToString()));
Debug.WriteLine(string.Format("PageNumber: {0}", info.PageNumber));
Debug.WriteLine(string.Format("TotalPages: {0}", info.TotalPages));
// try a FAX TIFF - CodecsFaxImageInfo reference
srcFileName = Path.Combine(LEAD_VARS.ImagesDir, @"Forms\Forms to be Recognized\Invoice", "invoice.tif");
info = codecs.GetInformation(srcFileName, true);
info.GetPalette();
Debug.WriteLine("Information for: {0}", srcFileName);
Debug.WriteLine(string.Format("Width: {0}", info.Width));
Debug.WriteLine(string.Format("Height: {0}", info.Height));
Debug.WriteLine(string.Format("IsLink: {0}", info.IsLink.ToString()));
Debug.WriteLine(string.Format("IsRotated: {0}", info.IsRotated.ToString()));
Debug.WriteLine(string.Format("Fax.IsCompressed: {0}", info.Fax.IsCompressed.ToString()));
if (info.HasResolution)
{
Debug.WriteLine(string.Format("X Resolution: {0}", info.XResolution));
Debug.WriteLine(string.Format("Y Resolution: {0}", info.YResolution));
}
// CodecsTiffImageInfo
Debug.WriteLine(string.Format("Tiff.HasNoPalette: {0}", info.Tiff.HasNoPalette.ToString()));
Debug.WriteLine(string.Format("Tiff.ImageFileDirectoryOffset: {0}", info.Tiff.ImageFileDirectoryOffset.ToString()));
Debug.WriteLine(string.Format("Tiff.IsImageFileDirectoryOffsetValid: {0}", info.Tiff.IsImageFileDirectoryOffsetValid.ToString()));
Debug.WriteLine(string.Format("Tiff.IsBigTiff: {0}", info.Tiff.IsBigTiff.ToString()));
// try a PNG
srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "quality.png");
info = codecs.GetInformation(srcFileName, true);
info.GetPalette();
Debug.WriteLine("Information for: {0}", srcFileName);
Debug.WriteLine(string.Format("HasAlpha: {0}", info.HasAlpha.ToString()));
Debug.WriteLine(string.Format("HasStamp: {0}", info.HasStamp.ToString()));
// try a DICOM
srcFileName = Path.Combine(LEAD_VARS.ImagesDir, @"DICOM", "Image1.dcm");
info = codecs.GetInformation(srcFileName, true);
info.GetPalette();
Debug.WriteLine("Information for: {0}", srcFileName);
Debug.WriteLine(string.Format("IsSigned: {0}", info.IsSigned.ToString()));
// try a JPEG
srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "cannon.jpg");
info = codecs.GetInformation(srcFileName, true);
info.GetPalette();
Debug.WriteLine("Information for: {0}", srcFileName);
Debug.WriteLine(string.Format("Name: {0}", info.Name));
Debug.WriteLine(string.Format("Jpeg.HasStamp: {0}", info.Jpeg.HasStamp.ToString())); // CodecsJpegImageInfo reference
Debug.WriteLine(string.Format("Jpeg.IsLossless: {0}", info.Jpeg.IsLossless.ToString()));
Debug.WriteLine(string.Format("Jpeg.IsProgressive: {0}", info.Jpeg.IsProgressive.ToString()));
Debug.WriteLine(string.Format("Order: {0}", info.Order.ToString()));
Debug.WriteLine(string.Format("SizeDisk: {0}", info.SizeDisk));
Debug.WriteLine(string.Format("SizeMemory: {0}", info.SizeMemory));
// try a PSD
srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.psd");
if (File.Exists(srcFileName))
{
info = codecs.GetInformation(srcFileName, true);
info.GetPalette();
Debug.WriteLine("Information for: {0}", srcFileName);
Debug.WriteLine(string.Format("Psd.Layers: {0}, channels: {1}", info.Psd.Layers, info.Psd.Channels)); // CodecsPsdImageInfo reference
}
// try a BMP
srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Ulay1.bmp");
info = codecs.GetInformation(srcFileName, true);
info.GetPalette();
Debug.WriteLine("Information for: {0}", srcFileName);
Debug.WriteLine(string.Format("ViewPerspective: {0}", info.ViewPerspective));
// try an HEIC - CodecsHeicImageInfo reference
srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "clean.heic");
info = codecs.GetInformation(srcFileName, true);
info.GetPalette();
Debug.WriteLine("Information for: {0}", srcFileName);
Debug.WriteLine(string.Format("HasStamp: {0}", info.Heic.HasStamp));
// try a PST
srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "DataFile.pst");
info = codecs.GetInformation(srcFileName, true);
info.GetPalette();
Debug.WriteLine("Information for: {0}", srcFileName);
Debug.WriteLine(string.Format("PST info: {0}, message count: {1}", info.Pst, info.Pst.MessageCount)); // CodecsPstImageInfo reference
// Clean up
codecs.Dispose();
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}
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