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

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ConvertToColoredGrayCommandクラス








メンバ 
画像をグレースケール画像に変換し、クラスプロパティに基づいてカラーコンポーネントを強調させます。このクラスはドキュメントツールキットで利用できます。
オブジェクトモデル
構文
'Declaration
 
Public Class ConvertToColoredGrayCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand 
'Usage
 
Dim instance As ConvertToColoredGrayCommand
public sealed class ConvertToColoredGrayCommand : Leadtools.ImageProcessing.IRasterCommand  
@interface LTConvertToColoredGrayCommand : LTRasterCommand
public class ConvertToColoredGrayCommand extends RasterCommand
function Leadtools.ImageProcessing.Color.ConvertToColoredGrayCommand()
public ref class ConvertToColoredGrayCommand : 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。
詳細については、「グレースケールイメージ」を参照してください。
サンプル

RedFactor = 300、GreenFactor = 590、BlueFactor = 110、RedGrayFactor = 500、GreenGrayFactor = 300、BlueGrayFactor = 200でimageの上でConvertToColoredGrayCommandを実行します。

Copy Code  
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Color

   
Public Sub ConvertToColoredGrayCommandExample()
   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 command As ConvertToColoredGrayCommand = New ConvertToColoredGrayCommand
   'These arguments will transform the image into a grayscale image.
   command.RedFactor = 300
   command.GreenFactor = 590
   command.BlueFactor = 110
   command.RedGrayFactor = 500
   command.GreenGrayFactor = 300
   command.BlueGrayFactor = 200
   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
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Color;

      
public void ConvertToColoredGrayCommandExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"));

   // Prepare the command
   ConvertToColoredGrayCommand command = new ConvertToColoredGrayCommand();
   //These arguments will transform the image into a grayscale image.
   command.RedFactor       = 300; 
   command.GreenFactor     = 590;
   command.BlueFactor      = 110;
   command.RedGrayFactor   = 500;
   command.GreenGrayFactor = 300;
   command.BlueGrayFactor  = 200;
   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";
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Color;

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

   // Prepare the command
   ConvertToColoredGrayCommand command = new ConvertToColoredGrayCommand();
   //These arguments will transform the image into a grayscale image.
   command.RedFactor       = 300; 
   command.GreenFactor     = 590;
   command.BlueFactor      = 110;
   command.RedGrayFactor   = 500;
   command.GreenGrayFactor = 300;
   command.BlueGrayFactor  = 200;
   command.Run(image);

   string destFileName = @"result.jpg";
   StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName);
   await codecs.SaveAsync(image, LeadStreamFactory.Create(saveFile), RasterImageFormat.Jpeg, 0);
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Color;
using Leadtools.Examples;

public void ConvertToColoredGrayCommandExample(RasterImage image, Stream outStream)
{
   // Prepare the command
   ConvertToColoredGrayCommand command = new ConvertToColoredGrayCommand();
   //These arguments will transform the image into a grayscale image.
   command.RedFactor       = 300; 
   command.GreenFactor     = 590;
   command.BlueFactor      = 110;
   command.RedGrayFactor   = 500;
   command.GreenGrayFactor = 300;
   command.BlueGrayFactor  = 200;
   command.Run(image);
   // Save result image
   RasterCodecs codecs = new RasterCodecs();
   codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24);
   image.Dispose();
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Color

Public Sub ConvertToColoredGrayCommandExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   Dim command As ConvertToColoredGrayCommand = New ConvertToColoredGrayCommand()
   'These arguments will transform the image into a grayscale image.
   command.RedFactor = 300
   command.GreenFactor = 590
   command.BlueFactor = 110
   command.RedGrayFactor = 500
   command.GreenGrayFactor = 300
   command.BlueGrayFactor = 200
   command.Run(image)
   ' Save result image
   Dim codecs As RasterCodecs = New RasterCodecs()
   codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24)
   image.Dispose()
End Sub
必要条件

ターゲットプラットホーム

参照

参照

ConvertToColoredGrayCommandメンバ
Leadtools.ImageProcessing.Color名前空間
LEADTOOLSによる画像処理入門
グレースケールイメージ
BalanceColorsCommandクラス
Leadtools.ImageProcessing.GrayscaleCommand
GrayScaleExtendedCommandクラス
Leadtools.RasterImage.IsGray