LEADTOOLS画像処理(Leadtools.ImageProcessing.Effectsアセンブリ)

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FeatherAlphaBlendCommandクラス








メンバ 
フェザリングで2つのイメージから画像データを結合します。2つのイメージは、フェーディングマスク画像のリージョンを指定することによって適用される様々な不透明度と結合されることができます。
オブジェクトモデル
構文
'Declaration
 
Public Class FeatherAlphaBlendCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand 
'Usage
 
Dim instance As FeatherAlphaBlendCommand
public sealed class FeatherAlphaBlendCommand : Leadtools.ImageProcessing.IRasterCommand  
@interface LTFeatherAlphaBlendCommand : LTRasterCommand
public class FeatherAlphaBlendCommand extends RasterCommand
function Leadtools.ImageProcessing.Effects.FeatherAlphaBlendCommand()
public ref class FeatherAlphaBlendCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand  
解説
詳細については、「LEADTOOLSによる画像処理入門」を参照してください。
サンプル

imageの上でFeatherAlphaBlendCommandを実行します。

Copy Code  
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
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";
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Effects;
using Leadtools.ImageProcessing;

      
public async Task FeatherAlphaBlendCommandExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   // Load the image
   string srcFileName = @"Assets\Image1.cmp";
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage backgroundImage = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));
   srcFileName = @"Assets\LittleGFlyingAlpha.png";
   loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage sourceImage = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   FeatherAlphaBlendCommand command = new FeatherAlphaBlendCommand();
   command.DestinationRectangle = LeadRectHelper.Create(0, 0, sourceImage.Width, sourceImage.Height);
   command.MaskImage = sourceImage.CreateAlphaImage();
   command.SourceImage = sourceImage;
   command.SourcePoint = LeadPointHelper.Create(0, 0);
   command.Run(backgroundImage);
   //Save as BMP
   string destFileName = @"result.bmp";
   StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName);
   await codecs.SaveAsync(backgroundImage, LeadStreamFactory.Create(saveFile), RasterImageFormat.Bmp, 24);
}
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();
}
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
必要条件

ターゲットプラットホーム

参照

参照

FeatherAlphaBlendCommandメンバ
Leadtools.ImageProcessing.Effects名前空間
LEADTOOLSによる画像処理入門
CombineCommandクラス
AlphaBlendCommandクラス
TextureAlphaBlendCommandクラス
Leadtools.ImageProcessing.SpecialEffects.BricksTextureCommand
Leadtools.ImageProcessing.SpecialEffects.CanvasCommand
DisplacementCommandクラス
Leadtools.ImageProcessing.SpecialEffects.FragmentCommand
Leadtools.ImageProcessing.SpecialEffects.VignnetCommand