LEADTOOLS(Leadtoolsアセンブリ)

フレームを表示

RectangleFromImageメソッド








デスティネーションは、長方形が変換されなければならない視点を表示します。
変換する長方形。
このRasterImageビューの視点と方向から指定されたビューの視点と方向まで長方形を変換します。
構文
public LeadRect RectangleFromImage( 
   RasterViewPerspective viewPerspective,
   LeadRect rc
)
'Declaration
 
Public Function RectangleFromImage( _
   ByVal viewPerspective As RasterViewPerspective, _
   ByVal rc As LeadRect _
) As LeadRect
'Usage
 
Dim instance As RasterImage
Dim viewPerspective As RasterViewPerspective
Dim rc As LeadRect
Dim value As LeadRect
 
value = instance.RectangleFromImage(viewPerspective, rc)
public LeadRect RectangleFromImage( 
   RasterViewPerspective viewPerspective,
   LeadRect rc
)
- (LeadRect)rectangleFromImage:(LTRasterViewPerspective)viewPerspective 
                    sourceRect:(LeadRect)src
            
public LeadRect rectangleFromImage(
  RasterViewPerspective viewPerspective, 
  LeadRect rc
)
            
 function Leadtools.RasterImage.RectangleFromImage( 
   viewPerspective ,
   rc 
)
public:
LeadRect RectangleFromImage( 
   RasterViewPerspective viewPerspective,
   LeadRect rc
) 

パラメーター

viewPerspective
デスティネーションは、長方形が変換されなければならない視点を表示します。
rc
変換する長方形。

戻り値

変換された長方形。
解説

詳細については、「ビューの視点と方向について」を参照してください。

詳細については、「変更している画像座標」を参照してください。

サンプル

このサンプルは、imageの選択した長方形がどこにTopLeft ViewPerspectiveであるか知ります。

Copy Code  
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing
Imports Leadtools.ImageProcessing.Core
Imports Leadtools.ImageProcessing.Color
Imports Leadtools.Controls
Imports Leadtools.Dicom
Imports Leadtools.Drawing
Imports Leadtools.Svg

      
Public Sub RectangleFromImageExample()
   Dim codecs As RasterCodecs = New RasterCodecs()
   ' Load an image that has BottomLeft ViewPerspective
   Dim image As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ULAY1.BMP"))
   Dim ImageRectangle As LeadRect = New LeadRect(0, 0, image.Width - 1, image.Height - 1)
   ImageRectangle = image.RectangleFromImage(RasterViewPerspective.TopLeft, ImageRectangle)
   Console.WriteLine(String.Format("{0},{1},{2},{3}", ImageRectangle.Left, ImageRectangle.Top, ImageRectangle.Right, ImageRectangle.Bottom))

   ImageRectangle = New LeadRect(0, 0, image.Width - 1, image.Height - 1)
   ImageRectangle = image.RectangleToImage(RasterViewPerspective.TopLeft, ImageRectangle)
   Console.WriteLine(String.Format("{0},{1},{2},{3}", ImageRectangle.Left, ImageRectangle.Top, ImageRectangle.Right, ImageRectangle.Bottom))

   image.Dispose()
   codecs.Dispose()
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;
using Leadtools.ImageProcessing.Core;
using Leadtools.ImageProcessing.Color;
using Leadtools.Dicom;
using Leadtools.Drawing;
using Leadtools.Controls;
using Leadtools.Svg;

      
public void RectangleFromImageExample()
{
   RasterCodecs codecs = new RasterCodecs();
   // Load an image that has BottomLeft ViewPerspective
   RasterImage image = codecs.Load(Path.Combine(ImagesPath.Path, "ULAY1.BMP"));
   LeadRect imageRectangle = new LeadRect(0, 0, image.Width - 1, image.Height - 1);
   imageRectangle = image.RectangleFromImage(Leadtools.RasterViewPerspective.TopLeft, imageRectangle);
   Console.WriteLine(string.Format("{0},{1},{2},{3}", imageRectangle.Left, imageRectangle.Top, imageRectangle.Right, imageRectangle.Bottom));

   imageRectangle = new LeadRect(0, 0, image.Width - 1, image.Height - 1);
   imageRectangle = image.RectangleToImage(Leadtools.RasterViewPerspective.TopLeft, imageRectangle);
   Console.WriteLine(string.Format("{0},{1},{2},{3}", imageRectangle.Left, imageRectangle.Top, imageRectangle.Right, imageRectangle.Bottom));

   image.Dispose();
   codecs.Dispose();
}
RasterImageExamples.prototype.RectangleFromImageExample = function ( ) 
{
   Tools.SetLicense ( ) ;
   with (Leadtools) {
      with (Leadtools.Codecs) {
         var codecs = new RasterCodecs();
         // Load an image that has BottomLeft ViewPerspective
         var srcFileName = "Assets\\ULAY1.BMP";
         var image;
         return Tools.AppInstallFolder().getFileAsync(srcFileName).then(function (loadFile) {
            return codecs.loadAsync(LeadStreamFactory.create(loadFile))
         })
            .then(function (img) {
               image = img;

               var imageRectangle = LeadRectHelper.create(0, 0, image.width - 1, image.height - 1);
               imageRectangle = image.rectangleFromImage(Leadtools.RasterViewPerspective.topLeft, imageRectangle);
               console.info(imageRectangle.x + "," + imageRectangle.y + "," + imageRectangle.width + "," + imageRectangle.height);

               imageRectangle = LeadRectHelper.create(0, 0, image.width - 1, image.height - 1);
               imageRectangle = image.rectangleToImage(Leadtools.RasterViewPerspective.topRight, imageRectangle);
               console.info(imageRectangle.x + "," + imageRectangle.y + "," + imageRectangle.width + "," + imageRectangle.height);

               image.close();
               codecs.close();
            });
      }
   }
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Core;
using Leadtools.ImageProcessing.Color;
using Leadtools.Dicom;

      
public async Task RectangleFromImageExample()
{
   RasterCodecs codecs = new RasterCodecs();
   // Load an image that has BottomLeft ViewPerspective
   string srcFileName = @"Assets\ULAY1.BMP";
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));
   LeadRect imageRectangle = LeadRectHelper.Create(0, 0, image.Width - 1, image.Height - 1);
   imageRectangle = image.RectangleFromImage(Leadtools.RasterViewPerspective.TopLeft, imageRectangle);
   Debug.WriteLine(string.Format("{0},{1},{2},{3}", imageRectangle.X, imageRectangle.Y, imageRectangle.Width, imageRectangle.Height));

   imageRectangle = LeadRectHelper.Create(0, 0, image.Width - 1, image.Height - 1);
   imageRectangle = image.RectangleToImage(Leadtools.RasterViewPerspective.TopLeft, imageRectangle);
   Debug.WriteLine(string.Format("{0},{1},{2},{3}", imageRectangle.X, imageRectangle.Y, imageRectangle.Width, imageRectangle.Height));

   image.Dispose();
   codecs.Dispose();
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.Dicom;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Core;
using Leadtools.ImageProcessing.Color;
using Leadtools.Examples;
using Leadtools.Windows.Media;

public void RectangleFromImageExample(RasterImage image)
{
   // image should be an image that has BottomLeft ViewPerspective (ulay1.bmp)
   LeadRect ImageRectangle = new LeadRect(0, 0, image.Width - 1, image.Height - 1);
   ImageRectangle = image.RectangleFromImage(Leadtools.RasterViewPerspective.TopLeft, ImageRectangle);
   Debug.WriteLine(string.Format("{0},{1},{2},{3}", ImageRectangle.Left, ImageRectangle.Top, ImageRectangle.Right, ImageRectangle.Bottom));

   ImageRectangle = new LeadRect(0, 0, image.Width - 1, image.Height - 1);
   ImageRectangle = image.RectangleToImage(Leadtools.RasterViewPerspective.TopLeft, ImageRectangle);
   Debug.WriteLine(string.Format("{0},{1},{2},{3}", ImageRectangle.Left, ImageRectangle.Top, ImageRectangle.Right, ImageRectangle.Bottom));

   image.Dispose();
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.Dicom
Imports Leadtools.ImageProcessing
Imports Leadtools.ImageProcessing.Core
Imports Leadtools.ImageProcessing.Color
Imports Leadtools.Windows.Media

Public Sub RectangleFromImageExample(ByVal image As RasterImage)
   ' image should be an image that has BottomLeft ViewPerspective (ulay1.bmp)
   Dim ImageRectangle As LeadRect = New LeadRect(0, 0, image.Width - 1, image.Height - 1)
   ImageRectangle = image.RectangleFromImage(RasterViewPerspective.TopLeft, ImageRectangle)
   Debug.WriteLine(String.Format("{0},{1},{2},{3}", ImageRectangle.Left, ImageRectangle.Top, ImageRectangle.Right, ImageRectangle.Bottom))

   ImageRectangle = New LeadRect(0, 0, image.Width - 1, image.Height - 1)
   ImageRectangle = image.RectangleToImage(RasterViewPerspective.TopLeft, ImageRectangle)
   Debug.WriteLine(String.Format("{0},{1},{2},{3}", ImageRectangle.Left, ImageRectangle.Top, ImageRectangle.Right, ImageRectangle.Bottom))

   image.Dispose()
End Sub
必要条件

ターゲットプラットホーム

参照

参照

RasterImageクラス
RasterImageメンバ