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

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AutoCropRectangleCommandクラス








メンバ 
AutoCropCommandが使われるならば、imageをトリムするのに用いられる長方形を取得します。
オブジェクトモデル
構文
'Declaration
 
Public Class AutoCropRectangleCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand 
'Usage
 
Dim instance As AutoCropRectangleCommand
public sealed class AutoCropRectangleCommand : Leadtools.ImageProcessing.IRasterCommand  
@interface LTAutoCropRectangleCommand : LTRasterCommand
public class AutoCropRectangleCommand extends RasterCommand
function Leadtools.ImageProcessing.Core.AutoCropRectangleCommand()
public ref class AutoCropRectangleCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand  
解説
サンプル

imageの上でAutoCropRectangleCommandを実行します。

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

   
Public Sub AutoCropRectangleCommandExample()
   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 AutoCropRectangleCommand = New AutoCropRectangleCommand
   command.Threshold = 0
   command.Run(leadImage)
   MessageBox.Show("Left = " + command.Rectangle.Left.ToString() + Chr(13) + "Top = " + command.Rectangle.Top.ToString() + Chr(13) + "Right = " + command.Rectangle.Right.ToString() + Chr(13) + "Bottom = " + command.Rectangle.Bottom.ToString())

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

   // Prepare the command
   AutoCropRectangleCommand command = new AutoCropRectangleCommand();
   command.Threshold = 0;
   command.Run(image);
   MessageBox.Show("Left = " + command.Rectangle.Left.ToString() + "\n" +
         "Top = " + command.Rectangle.Top.ToString() + "\n" +
         "Right = " + command.Rectangle.Right.ToString() + "\n" +
         "Bottom = " + command.Rectangle.Bottom.ToString());

}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
function AutoCropRectangleCommandExample()
{
   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 AutoCropRectangleCommand();
         command.threshold = 0;
         command.run(image);
         console.error("Left = " + command.rectangle.x.toString() + "\n" +
               "Top = " + command.rectangle.y.toString() + "\n" +
               "Right = " + command.rectangle.width.toString() + "\n" +
               "Bottom = " + command.rectangle.height.toString());
      }
   });
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

      
public async Task AutoCropRectangleCommandExample()
{
   // 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
   AutoCropRectangleCommand command = new AutoCropRectangleCommand();
   command.Threshold = 0;
   command.Run(image);
   Debug.WriteLine("Left = " + command.Rectangle.X.ToString() + "\n" +
         "Top = " + command.Rectangle.Y.ToString() + "\n" +
         "Right = " + command.Rectangle.Width.ToString() + "\n" +
         "Bottom = " + command.Rectangle.Height.ToString());

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

public void AutoCropRectangleCommandExample(RasterImage image)
{
   // Prepare the command
   AutoCropRectangleCommand command = new AutoCropRectangleCommand();
   command.Threshold = 0;
   command.Run(image);
   Debug.WriteLine("Left = " + command.Rectangle.Left.ToString() + "\n" +
         "Top = " + command.Rectangle.Top.ToString() + "\n" +
         "Right = " + command.Rectangle.Right.ToString() + "\n" +
         "Bottom = " + command.Rectangle.Bottom.ToString());
   image.Dispose();
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core

Public Sub AutoCropRectangleCommandExample(ByVal image As RasterImage)
   ' Prepare the command
   Dim command As AutoCropRectangleCommand = New AutoCropRectangleCommand()
   command.Threshold = 0
   command.Run(image)
   Debug.WriteLine("Left = " & command.Rectangle.Left.ToString() & Constants.vbLf & "Top = " & command.Rectangle.Top.ToString() & _
                   Constants.vbLf & "Right = " & command.Rectangle.Right.ToString() & Constants.vbLf & "Bottom = " & _
                   command.Rectangle.Bottom.ToString())
   image.Dispose()
End Sub
必要条件

ターゲットプラットホーム

参照

参照

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