Combines image data from two images with feathering. The two images can be combined with variable opacity applied by specifying the region of a fade mask image.
public class FeatherAlphaBlendCommand : RasterCommand
Public Class FeatherAlphaBlendCommand
Inherits RasterCommand
@interface LTFeatherAlphaBlendCommand : LTRasterCommand
public class FeatherAlphaBlendCommand extends RasterCommand
public ref class FeatherAlphaBlendCommand : public RasterCommand
For more information, refer to Introduction to Image Processing With LEADTOOLS.
Run the FeatherAlphaBlendCommand on an image.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Effects;
public void FeatherAlphaBlendCommandExample()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
RasterImage backgroundImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp"));
RasterImage sourceImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "LittleGFlyingAlpha.png"), 32, CodecsLoadByteOrder.Bgr, 1, 1);
FeatherAlphaBlendCommand command = new FeatherAlphaBlendCommand();
command.DestinationRectangle = new LeadRect(0, 0, sourceImage.Width, sourceImage.Height);
command.MaskImage = sourceImage.CreateAlphaImage();
command.SourceImage = sourceImage;
command.SourcePoint = new LeadPoint(0, 0);
command.Run(backgroundImage);
codecs.Save(backgroundImage, 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 FeatherAlphaBlendCommandExample()
' Load an image
Dim codecs As RasterCodecs = New RasterCodecs()
Dim backgroundImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp"))
Dim sourceImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "LittleGFlyingAlpha.png"), 32, CodecsLoadByteOrder.Bgr, 1, 1)
Dim command As FeatherAlphaBlendCommand = New FeatherAlphaBlendCommand()
command.DestinationRectangle = New LeadRect(0, 0, sourceImage.Width, sourceImage.Height)
command.MaskImage = sourceImage.CreateAlphaImage()
command.SourceImage = sourceImage
command.SourcePoint = New LeadPoint(0, 0)
command.Run(backgroundImage)
codecs.Save(backgroundImage, 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 FeatherAlphaBlendCommandExample(RasterImage image, RasterImage maskImage, RasterImage sourceImage, Stream outStream)
{
FeatherAlphaBlendCommand command = new FeatherAlphaBlendCommand();
command.DestinationRectangle = new LeadRect(0, 0, image.Width / 2, image.Height / 2);
command.MaskImage = maskImage;
command.SourcePoint = new LeadPoint(image.Width / 2, image.Height / 2);
command.SourceImage = sourceImage;
command.Run(image);
// Save result image
RasterCodecs codecs = new RasterCodecs();
codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24);
image.Dispose();
maskImage.Dispose();
sourceImage.Dispose();
}
vb[Silverlight VB Example]
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Effects
Public Sub FeatherAlphaBlendCommandExample(ByVal image As RasterImage, ByVal maskImage As RasterImage, ByVal sourceImage As RasterImage, ByVal outStream As Stream)
Dim command As FeatherAlphaBlendCommand = New FeatherAlphaBlendCommand()
command.DestinationRectangle = New LeadRect(0, 0, image.Width / 2, image.Height / 2)
command.MaskImage = maskImage
command.SourcePoint = New LeadPoint(image.Width / 2, image.Height / 2)
command.SourceImage = sourceImage
command.Run(image)
' Save result image
Dim codecs As RasterCodecs = New RasterCodecs()
codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24)
image.Dispose()
maskImage.Dispose()
sourceImage.Dispose()
End Sub
FeatherAlphaBlendCommand Members
Leadtools.ImageProcessing.Effects Namespace
Introduction to Image Processing With LEADTOOLS
TextureAlphaBlendCommand Class
Leadtools.ImageProcessing.SpecialEffects.BricksTextureCommand
Leadtools.ImageProcessing.SpecialEffects.CanvasCommand
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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