public void ChangeCompression(
RasterCompression compression
)
public void changeCompression(
RasterCompression compression
);
public:
void ChangeCompression(
RasterCompression compression
)
def ChangeCompression(self,compression):
compression
Indicates the type of compression to use on the image.
This method is available only in (Document/Medical only) toolkits.
For more information, refer to Speeding Up 1-Bit Documents.
This method does not support signed images.
This example toggles image compression.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Core;
using Leadtools.ImageProcessing.Color;
using Leadtools.Dicom;
using Leadtools.Drawing;
using Leadtools.Controls;
using Leadtools.Svg;
public void ChangeCompressionTest()
{
// This method toggles image compression.
RasterCodecs codecs = new RasterCodecs();
// Load the image compressed
codecs.Options.Load.Compressed = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "OCR1.TIF"));
String str = "BEFORE - ImageSize: " + image.DataSize + " bytes, Type: " + (image.IsCompressed ? "Compressed" : "UnCompressed");
Console.WriteLine(str, "ChangeCompression");
image.ChangeCompression((image.IsCompressed == true) ? RasterCompression.None : RasterCompression.Rle);
str = "AFTER - ImageSize: " + image.DataSize + " bytes, Type: " + (image.IsCompressed ? "Compressed" : "UnCompressed");
Console.WriteLine(str, "ChangeCompression");
// Load the image super-compressed
codecs.Options.Load.SuperCompressed = true;
image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "IMAGE1.CMP"));
str = "BEFORE - ImageSize: " + image.DataSize + " bytes, Type: " + (image.IsSuperCompressed ? "Compressed" : "UnCompressed");
Console.WriteLine(str, "ChangeCompression");
image.ChangeCompression((image.IsSuperCompressed == true) ? RasterCompression.None : RasterCompression.Super);
str = "AFTER - ImageSize: " + image.DataSize + " bytes, Type: " + (image.IsSuperCompressed ? "Compressed" : "UnCompressed");
Console.WriteLine(str, "ChangeCompression");
image.Dispose();
codecs.Dispose();
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
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