Combines image data from two images, using a specific opacity value.
public class AlphaBlendCommand : RasterCommand
Public Class AlphaBlendCommand
Inherits RasterCommand
@interface LTAlphaBlendCommand : LTRasterCommand
public class AlphaBlendCommand extends RasterCommand
public ref class AlphaBlendCommand : public RasterCommand
For more information, refer to Introduction to Image Processing With LEADTOOLS.
Run the AlphaBlendCommand on an image.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Effects;
public void AlphaBlendCommandExample()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"));
// Prepare the command
RasterImage SrcImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, @"ImageProcessingDemo\Image3.cmp"), 4, CodecsLoadByteOrder.Bgr, 1, 1);
AlphaBlendCommand command = new AlphaBlendCommand();
//Combine SrcImage with image, with half opacity.
command.DestinationRectangle = new LeadRect(image.Width / 8, image.Height / 8, image.Width, image.Height);
command.SourceImage = SrcImage;
command.Opacity = 128;
command.Run(image);
codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24);
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Effects
Public Sub AlphaBlendCommandExample()
Dim codecs As New RasterCodecs()
codecs.ThrowExceptionsOnInvalidImages = True
Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"))
' Prepare the command
Dim SrcImage As RasterImage
SrcImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ImageProcessingDemo\image3.cmp"), 4, CodecsLoadByteOrder.Bgr, 1, 1)
Dim command As AlphaBlendCommand = New AlphaBlendCommand
'Combine SrcImage with image, with half opacity.
command.DestinationRectangle = New LeadRect(leadImage.Width \ 8, leadImage.Height \ 8, leadImage.Width, leadImage.Height)
command.SourceImage = SrcImage
command.Opacity = 128
command.Run(leadImage)
codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24)
End Sub
Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
c#[Silverlight C# Example]
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Effects;
using Leadtools.Examples;
public void AlphaBlendCommandExample(RasterImage image, RasterImage srcImage, Stream outStream)
{
// Prepare the command
AlphaBlendCommand command = new AlphaBlendCommand();
//Combine SrcImage with image, with half opacity.
command.DestinationRectangle = new LeadRect(image.Width / 8, image.Height / 8, image.Width, image.Height);
command.SourceImage = srcImage;
command.Opacity = 128;
command.Run(image);
// Save result image
RasterCodecs codecs = new RasterCodecs();
codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24);
image.Dispose();
srcImage.Dispose();
}
vb[Silverlight VB Example]
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Effects
Public Sub AlphaBlendCommandExample(ByVal image As RasterImage, ByVal srcImage As RasterImage, ByVal outStream As Stream)
' Prepare the command
Dim command As AlphaBlendCommand = New AlphaBlendCommand()
'Combine SrcImage with image, with half opacity.
command.DestinationRectangle = New LeadRect(image.Width / 8, image.Height / 8, image.Width, image.Height)
command.SourceImage = srcImage
command.Opacity = 128
command.Run(image)
' Save result image
Dim codecs As RasterCodecs = New RasterCodecs()
codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24)
image.Dispose()
srcImage.Dispose()
End Sub
Leadtools.ImageProcessing.Effects Namespace
Introduction to Image Processing With LEADTOOLS
FeatherAlphaBlendCommand Class
TextureAlphaBlendCommand Class
Leadtools.ImageProcessing.SpecialEffects.BricksTextureCommand
Leadtools.ImageProcessing.SpecialEffects.CanvasCommand
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