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public byte[] OptimizeBuffer(RasterCodecs codecs,byte[] buffer,int offset,int length,ImageOptimizerOptions options,ImageOptimizerProgress progressCallback)
codecs
The Leadtools.Codecs.RasterCodecs object used internally in the optimization operation.
buffer
The original image buffer in memory as a System.Byte array. The image format in memory should be one of the following supported formats:
offset
The number of bytes to offset the pointer that points to the buffer parameter" so that the data will be read starting from the "Buffer + Offset" position.
length
The length of the image buffer, in bytes, starting from the offset byte.
options
The options used in the optimization process.
progressCallback
Optional callback function that provides information about the progress of the optimization process.
A System.Byte array that contains the optimized image buffer in memory.
For more information, refer to Image Optimization Using The ImageOptimizer Class.
This example will optimize a Jpg image file then save it into a separate folder
using Leadtools;using Leadtools.Codecs;using Leadtools.ImageOptimization;public void TestJpegImageOptimizer(){// Initialize the RasterCodecs classRasterCodecs codecs = new RasterCodecs();// The input and output locationstring inputFileName = Path.Combine(LEAD_VARS.ImagesDir, "Cannon.jpg");string outputFolder = Path.Combine(LEAD_VARS.ImagesDir, "OptimizedImages");// Initialize a new Optimizer objectImageOptimizer optimizer = new ImageOptimizer();// Optimization OptionsImageOptimizerOptions options = ImageOptimizerOptions.Default;// Set custom optimization optionsoptions.JpegQualityFactor = 255;options.JpegColorSpace = ImageOptimizerJpegColorSpace.JpegColorSpace422;// Load the input file into a memory byte arraybyte[] orgBuffer = File.ReadAllBytes(inputFileName);// Optimize this bufferbyte[] optBuffer = optimizer.OptimizeBuffer(codecs, orgBuffer, 0, orgBuffer.Length, options, OptimizeBufferProgress);// Save this image into the output folder// Make sure the output folder existsif (!Directory.Exists(outputFolder))Directory.CreateDirectory(outputFolder);// Get the name of the output file from the input filestring outputFileName = Path.Combine(outputFolder, Path.GetFileName(inputFileName));// Save the optimized buffer to the output fileusing (FileStream fs = File.Create(outputFileName))fs.Write(optBuffer, 0, optBuffer.Length);// Compare the original image size with the optimized sizelong orgSize = new FileInfo(inputFileName).Length;long optSize = new FileInfo(outputFileName).Length;int percentage = (int)((double)optSize * 100.0 / orgSize);string message = string.Format("Original image size: {0} KB{1}Optimized image size: {2} KB{1}Percentage: {3}%",orgSize / 1024, Environment.NewLine, optSize / 1024,100 - percentage);MessageBox.Show(message);//shutdown the RasterCodecs class.}static bool OptimizeBufferProgress(int percent){Console.WriteLine(string.Format("{0}%", percent));return true;}static class LEAD_VARS{public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images";}