BitsPerPixel Property

Summary

Gets or sets the number of bits per pixel for the conversion.

Syntax

Objective-C

C++/CLI

Java

Python

public int BitsPerPixel { get; set; }

@property (nonatomic, assign) NSInteger bitsPerPixel

public int getBitsPerPixel() 
public void setBitsPerPixel(int value)

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

BitsPerPixel # get and set (ColorResolutionCommand)

Property Value

The number of bits per pixel for the conversion. Valid values are 1, 2, 3, 4, 5, 6, 7, 8, 12, 16, 24, 32, 48 and 64.

Example

Java

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing; 
 
 
public void ColorResolutionCommandExample() 
{ 
	RasterCodecs codecs = new RasterCodecs(); 
 
	string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp"); 
	string destFileName1 = Path.Combine(LEAD_VARS.ImagesDir, "Image1_colorres8.bmp"); 
	string destFileName2 = Path.Combine(LEAD_VARS.ImagesDir, "Image1_colorres4.bmp"); 
 
	// Load the source image from disk 
	RasterImage image = codecs.Load(srcFileName); 
 
	// First color-res it to 8 bits per pixel  using the Netscape palette into a seperate image 
	ColorResolutionCommand cmd = new ColorResolutionCommand(); 
	cmd.Mode = ColorResolutionCommandMode.CreateDestinationImage; 
	cmd.BitsPerPixel = 8; 
	cmd.Order = RasterByteOrder.Rgb; 
	cmd.DitheringMethod = RasterDitheringMethod.None; 
	cmd.PaletteFlags = ColorResolutionCommandPaletteFlags.UsePalette; 
	cmd.SetPalette(RasterPalette.Netscape()); 
	cmd.Run(image); 
 
	RasterImage destImage = cmd.DestinationImage; 
	Assert.IsTrue(destImage.BitsPerPixel == 8); 
 
	// Save it to disk 
	codecs.Save(destImage, destFileName1, RasterImageFormat.Bmp, 8); 
	destImage.Dispose(); 
 
	// Now color-res the image in-place to 4-bits per pixel using the Optimized palette 
	cmd.Mode = ColorResolutionCommandMode.InPlace; 
	cmd.BitsPerPixel = 4; 
	cmd.Order = RasterByteOrder.Rgb; 
	cmd.DitheringMethod = RasterDitheringMethod.None; 
	cmd.PaletteFlags = ColorResolutionCommandPaletteFlags.Optimized; 
	cmd.Run(image); 
	Assert.IsTrue(image.BitsPerPixel == 4); 
 
	// Save it to disk 
	codecs.Save(image, destFileName2, RasterImageFormat.Bmp, 4); 
 
	// Clean Up 
	destImage.Dispose(); 
	image.Dispose(); 
	codecs.Dispose(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
}

 
import java.io.File; 
import java.io.IOException; 
 
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.*; 
 
 
public void colorResolutionCommandExample() { 
   final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images"; 
   RasterCodecs codecs = new RasterCodecs(); 
   String srcFileName = combine(LEAD_VARS_IMAGES_DIR, "rgsref.cmp"); 
   String destFileName1 = combine(LEAD_VARS_IMAGES_DIR, "rgsref_colorres8.bmp"); 
   String destFileName2 = combine(LEAD_VARS_IMAGES_DIR, "rgsref_colorres4.bmp"); 
 
   // Load the source image from disk 
   RasterImage image = codecs.load(srcFileName); 
 
   // First color-res it to 8 bits per pixel using the Netscape palette into a 
   // seperate image 
   ColorResolutionCommand cmd = new ColorResolutionCommand(); 
   cmd.setMode(ColorResolutionCommandMode.CREATE_DESTINATION_IMAGE); 
   cmd.setBitsPerPixel(8); 
   cmd.setOrder(RasterByteOrder.RGB); 
   cmd.setDitheringMethod(RasterDitheringMethod.NONE); 
   cmd.setPaletteFlags(ColorResolutionCommandPaletteFlags.USE_PALETTE.getValue()); 
   cmd.setPalette(RasterPalette.netscape()); 
   cmd.run(image); 
 
   RasterImage destImage = cmd.getDestinationImage(); 
   assertTrue(destImage.getBitsPerPixel() == 8); 
 
   // Save it to disk 
   codecs.save(destImage, destFileName1, RasterImageFormat.BMP, 8); 
 
   assertTrue("file unsuccessfully saved to " + destFileName1, (new File(destFileName1)).exists()); 
   System.out.printf("File saved successfully to %s%n", destFileName1); 
 
   destImage.dispose(); 
 
   // Now color-res the image in-place to 4-bits per pixel using the Optimized 
   // palette 
   cmd.setMode(ColorResolutionCommandMode.IN_PLACE); 
   cmd.setBitsPerPixel(4); 
   cmd.setOrder(RasterByteOrder.RGB); 
   cmd.setDitheringMethod(RasterDitheringMethod.NONE); 
   cmd.setPaletteFlags(ColorResolutionCommandPaletteFlags.OPTIMIZED.getValue()); 
   cmd.run(image); 
   assertTrue(image.getBitsPerPixel() == 4); 
 
   // Save it to disk 
   codecs.save(image, destFileName2, RasterImageFormat.BMP, 4); 
 
   assertTrue("file unsuccessfully saved to " + destFileName1, (new File(destFileName1)).exists()); 
   System.out.printf("File saved successfully to %s%n", destFileName1); 
 
   // Clean Up 
   destImage.dispose(); 
   image.dispose(); 
   codecs.dispose(); 
}

Requirements

Target Platforms

Reference

ColorResolutionCommand Class

ColorResolutionCommand Members

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Help Version 23.0.2024.5.22

Leadtools Assembly

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