StampBitsPerPixel Property

Summary

Gets and sets the bit depth for the stamp image.

Syntax

Objective-C

C++/CLI

Java

Python

public int StampBitsPerPixel { get; set; }

@property (nonatomic, assign) NSUInteger stampBitsPerPixel;

public int getStampBitsPerPixel() 
public void setStampBitsPerPixel(int value)

public: 
property int StampBitsPerPixel { 
   int get(); 
   void set (    int ); 
}

StampBitsPerPixel # get and set (CodecsWebpSaveOptions)

Property Value

The default value is 24.

The bit depth for the stamp image. Currently, the only value supported is 24.

Remarks

The stamp is saved only if all the following are true:

CodecsWebpSaveOptions.SaveWithStamp = true
CodecsWebpSaveOptions.StampWidth > 0
CodecsWebpSaveOptions.StampHeight > 0
StampBitsPerPixel = 24

If any of the above conditions are not met, the stamp is not saved.

Example

Java

using Leadtools; 
using Leadtools.Codecs; 
 
using Leadtools.ImageProcessing.Core; 
using Leadtools.Pdf; 
 
public void TestSaveWebpExample() 
{ 
   // This example saves 3 files with various stamp settings and quality factors 
   string srcFile = Path.Combine(LEAD_VARS.ImagesDir, @"sample1.cmp"); 
   string dstFile = Path.Combine(LEAD_VARS.ImagesDir, @"out-"); 
 
   using (RasterCodecs codecs = new RasterCodecs()) 
   using (RasterImage image = codecs.Load(srcFile, 1)) 
   { 
      // CodecsWebpOptions & CodecsWebpSaveOptions reference 
      codecs.Options.Webp.Save.SaveWithStamp = true; 
      codecs.Options.Webp.Save.StampBitsPerPixel = 24; 
 
      codecs.Options.Webp.Save.QualityFactor = 20; 
      codecs.Options.Webp.Save.StampWidth = 160; 
      codecs.Options.Webp.Save.StampHeight = 120; 
      // this file should have a stamp that is 160x120 
      codecs.Save(image, dstFile + "stamp160x120-q20.webp", RasterImageFormat.Webp, 0); 
 
      // this file should have a stamp that is 240x200 
      codecs.Options.Webp.Save.QualityFactor = 120; 
      codecs.Options.Webp.Save.StampWidth = 240; 
      codecs.Options.Webp.Save.StampHeight = 200; 
      codecs.Save(image, dstFile + "stamp240x200-q120.webp", RasterImageFormat.Webp, 0); 
 
      // this file should have no stamp 
      codecs.Options.Webp.Save.SaveWithStamp = false; 
      codecs.Options.Webp.Save.QualityFactor = 0; 
      codecs.Save(image, dstFile + "NoStamp-lossless.webp", RasterImageFormat.Webp, 0); 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
}

 
import java.io.File; 
import java.io.IOException; 
import java.net.URI; 
import java.net.URISyntaxException; 
import java.nio.file.Paths; 
 
import org.junit.*; 
import org.junit.runner.JUnitCore; 
import org.junit.runner.Result; 
import org.junit.runner.notification.Failure; 
import static org.junit.Assert.*; 
 
import leadtools.*; 
import leadtools.codecs.*; 
import leadtools.imageprocessing.core.MinMaxBitsCommand; 
 
 
// This example saves 3 files with various stamp settings and quality factors 
public void codecsWebpSaveWithStampExample() { 
   final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images"; 
   String srcFile = combine(LEAD_VARS_IMAGES_DIR, "sample1.cmp"); 
   String dstFile = combine(LEAD_VARS_IMAGES_DIR, "out.webp"); 
 
   RasterCodecs codecs = new RasterCodecs(); 
   RasterImage image = codecs.load(srcFile, 1); 
 
   // CodecsWebpOptions & CodecsWebpSaveOptions reference 
   codecs.getOptions().getWebp().getSave().setSaveWithStamp(true); 
   codecs.getOptions().getWebp().getSave().setStampBitsPerPixel(24); 
 
   codecs.getOptions().getWebp().getSave().setQualityFactor(20); 
   codecs.getOptions().getWebp().getSave().setStampWidth(160); 
   codecs.getOptions().getWebp().getSave().setStampHeight(120); 
   // this file should gethave() geta st()asetmp that is 160x120 
   codecs.save(image, dstFile + "stamp160x120-q20.webp", RasterImageFormat.WEBP, 0); 
 
   assertTrue("File unsuccessfully saved to " + dstFile + "stamp160x120-q20.webp", 
         (new File(dstFile + "stamp160x120-q20.webp")).exists()); 
   System.out.printf("File successfully saved to %s%n", dstFile + "stamp160x120-q20.webp"); 
 
   // this file should gethave() geta st()asetmp that is 240x200 
   codecs.getOptions().getWebp().getSave().setQualityFactor(120); 
   codecs.getOptions().getWebp().getSave().setStampWidth(240); 
   codecs.getOptions().getWebp().getSave().setStampHeight(200); 
   codecs.save(image, dstFile + "stamp240x200-q120.webp", RasterImageFormat.WEBP, 0); 
 
   assertTrue("File unsuccessfully saved to " + dstFile + "stamp240x200-q120.webp", 
         (new File(dstFile + "stamp240x200-q120.webp")).exists()); 
   System.out.printf("File successfully saved to %s%n", dstFile + "stamp240x200-q120.webp"); 
 
   // this file should have no stamp 
   codecs.getOptions().getWebp().getSave().setSaveWithStamp(false); 
   codecs.getOptions().getWebp().getSave().setQualityFactor(0); 
   codecs.save(image, dstFile + "NoStamp-lossless.webp", RasterImageFormat.WEBP, 0); 
 
   assertTrue("File unsuccessfully saved to " + dstFile + "NoStamp-lossless.webp", 
         (new File(dstFile + "NoStamp-lossless.webp")).exists()); 
   System.out.printf("File successfully saved to %s%n", dstFile + "NoStamp-lossless.webp"); 
 
   image.dispose(); 
   codecs.dispose(); 
}

Requirements

Target Platforms

Reference

CodecsWebpSaveOptions Class

CodecsWebpSaveOptions Members

CodecsWebpSaveOptions.SaveWithStamp

CodecsWebpSaveOptions.StampWidth

CodecsWebpSaveOptions.StampHeight

Implementing WebP Features

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