public LeadSize Jp2Resolution { get; set; }
@property (nonatomic, assign) LeadSize jp2Resolution;
public LeadSize getJp2Resolution()
public void setJp2Resolution(LeadSize value)
Jp2Resolution # get and set (CodecsJpeg2000LoadOptions)
The resolution to load. The default value is 0,0
.
Specifies the resolution of the image to load. You can specify 0 to get the default.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;
public void CodecsJpeg2000OptionsExample()
{
RasterCodecs codecs = new RasterCodecs();
string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.j2k");
CodecsJpeg2000PrecinctSize[] precintSizes = (CodecsJpeg2000PrecinctSize[])Enum.GetValues(typeof(CodecsJpeg2000PrecinctSize));
foreach (var precinctSize in precintSizes)
{
Console.WriteLine($"PrecinctSize types: {precinctSize}");
}
//Setting the Jpeg2000 load options. CodecsJpeg2000Options & CodecsJpeg2000LoadOptions reference
codecs.Options.Jpeg2000.Load.J2kResolution = new LeadSize(800, 800);
codecs.Options.Jpeg2000.Load.Jp2Resolution = new LeadSize(800, 800);
codecs.Options.Jpeg2000.Load.CmwResolution = new LeadSize(0, 0);
//loading a Jpeg2000 image.
RasterImage srcImage = codecs.Load(srcFileName);
//Setting the Jpeg2000 save options. CodecsJpeg2000SaveOptions reference
codecs.Options.Jpeg2000.Save.AlphaChannelActiveBits = 16;
codecs.Options.Jpeg2000.Save.AlphaChannelLossless = false;
codecs.Options.Jpeg2000.Save.CompressionControl = CodecsJpeg2000CompressionControl.Ratio;
codecs.Options.Jpeg2000.Save.CompressionRatio = 15.0f;
codecs.Options.Jpeg2000.Save.DecompositionLevels = 5;
codecs.Options.Jpeg2000.Save.DerivedQuantization = true;
codecs.Options.Jpeg2000.Save.ImageAreaHorizontalOffset = 0;
codecs.Options.Jpeg2000.Save.ImageAreaVerticalOffset = 0;
codecs.Options.Jpeg2000.Save.ProgressingOrder = CodecsJpeg2000ProgressionsOrder.PositionComponentResolutionLayer;
codecs.Options.Jpeg2000.Save.PrecinctSize = CodecsJpeg2000PrecinctSize.HierarchicalOne64;
codecs.Options.Jpeg2000.Save.ReferenceTileHeight = 240;
codecs.Options.Jpeg2000.Save.ReferenceTileWidth = 480;
codecs.Options.Jpeg2000.Save.RegionOfInterest = CodecsJpeg2000RegionOfInterest.UseLeadRegion;
codecs.Options.Jpeg2000.Save.RegionOfInterestRectangle = new LeadRect(0, 0, 0, 0);
codecs.Options.Jpeg2000.Save.TargetFileSize = 10240;
codecs.Options.Jpeg2000.Save.TileHorizontalOffset = 0;
codecs.Options.Jpeg2000.Save.TileVerticalOffset = 0;
codecs.Options.Jpeg2000.Save.UseColorTransform = true;
codecs.Options.Jpeg2000.Save.UseEphMarker = false;
codecs.Options.Jpeg2000.Save.UseRegionOfInterest = false;
codecs.Options.Jpeg2000.Save.UseSopMarker = false;
//Save the first sample.
codecs.Save(srcImage, Path.Combine(LEAD_VARS.ImagesDir, "Image1_test.j2k"), RasterImageFormat.J2k, srcImage.BitsPerPixel);
codecs.Options.Jpeg2000.Save.Reset();
//changing some of the Jpeg2000 save options
codecs.Options.Jpeg2000.Save.CompressionRatio = 23.0f;
codecs.Options.Jpeg2000.Save.DecompositionLevels = 6;
codecs.Options.Jpeg2000.Save.ReferenceTileHeight = 320;
codecs.Options.Jpeg2000.Save.ReferenceTileWidth = 320;
codecs.Options.Jpeg2000.Save.UseEphMarker = true;
codecs.Options.Jpeg2000.Save.ProgressingOrder = CodecsJpeg2000ProgressionsOrder.ResolutionPositionComponentLayer;
codecs.Options.Jpeg2000.Save.UseSopMarker = true;
codecs.Options.Jpeg2000.Save.TargetFileSize = 102400;
var maximumComponentsNumber = CodecsJpeg2000SaveOptions.MaximumComponentsNumber;
var maximumDecompressionLevels = CodecsJpeg2000SaveOptions.MaximumDecompressionLevels;
Console.WriteLine("MaximumComponents: {0}, MaximumDecompressionLevels: {1}", maximumComponentsNumber, maximumDecompressionLevels);
//Save the first sample.
codecs.Save(srcImage, Path.Combine(LEAD_VARS.ImagesDir, "Image1_test.jp2"), RasterImageFormat.J2k, srcImage.BitsPerPixel);
// Clean up
srcImage.Dispose();
codecs.Dispose();
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}
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