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

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AutoCropCommandクラス








メンバ 
エッジのまわりで空白を削除して、現在のimageをトリムします。
オブジェクトモデル
構文
'Declaration
 
Public Class AutoCropCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand 
'Usage
 
Dim instance As AutoCropCommand
public sealed class AutoCropCommand : Leadtools.ImageProcessing.IRasterCommand  
@interface LTAutoCropCommand : LTRasterCommand
public class AutoCropCommand extends RasterCommand
function Leadtools.ImageProcessing.Core.AutoCropCommand()
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、それからAutoCropsの上のAutoCropCommandを実行しますimage。

Copy Code  
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core

   
Public Sub AutoCropCommandExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True
   Dim image As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "clean.tif"))

   ' Prepare the command
   Dim command As AutoCropCommand = New AutoCropCommand()
   ' AutoCrop the image with 20 tolerance.
   command.Threshold = 20
   command.Run(image)

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.Core;

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

   // Prepare the command
   AutoCropCommand command   = new AutoCropCommand();
   //AutoCrop the image with 20 tolerance.
   command.Threshold         = 20;
   command.Run(image);

}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
function AutoCropCommandExample()
{
   var codecs = new Leadtools.Codecs.RasterCodecs();
   codecs.throwExceptionsOnInvalidImages = true;

   // Load the image
   var srcFileName = "Assets\\IMAGE1.CMP";
   return Tools.AppInstallFolder().getFileAsync(srcFileName).then(function (loadFile) {
      return codecs.loadAsync(Leadtools.LeadStreamFactory.create(loadFile));
   }).then(function (image){
      // Prepare the command
      with (Leadtools.ImageProcessing.Core) {
         var command   = new AutoCropCommand();
         //AutoCrop the image with 20 tolerance.
         command.threshold = 20;
         command.run(image);
      }
   });
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

      
public async Task AutoCropCommandExample()
{
   // 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
   AutoCropCommand command   = new AutoCropCommand();
   //AutoCrop the image with 20 tolerance.
   command.Threshold         = 20;
   command.Run(image);

}
using Leadtools;
using Leadtools.Examples;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

public void AutoCropCommandExample(RasterImage image, Stream outStream)
{
   // Prepare the command
   AutoCropCommand command   = new AutoCropCommand();
   //AutoCrop the image with 20 tolerance.
   command.Threshold         = 20;
   command.Run(image);
   // Save result image
   RasterCodecs codecs = new RasterCodecs();
   codecs.Save(image, outStream, RasterImageFormat.CcittGroup4, 1);
   image.Dispose();
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core

Public Sub AutoCropCommandExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   Dim command As AutoCropCommand = New AutoCropCommand()
   'AutoCrop the image with 20 tolerance.
   command.Threshold = 20
   command.Run(image)
   ' Save result image
   Dim codecs As RasterCodecs = New RasterCodecs()
   codecs.Save(image, outStream, RasterImageFormat.CcittGroup4, 1)
   image.Dispose()
End Sub
必要条件

ターゲットプラットホーム

参照

参照

AutoCropCommandメンバ
Leadtools.ImageProcessing.Core名前空間
LEADTOOLSによる画像処理入門
AutoCropRectangleCommandクラス
Leadtools.ImageProcessing.CropCommand
Leadtools.ImageProcessing.CopyRectangleCommand
WindowLevelCommandクラス