RectangleFromImage Method

C#
Visual Basic
WinRT C#
Objective-C
Java
WinRT JavaScript
C++

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)viewPerspectiveToUse 
                           rc:(LeadRect)rc;

public LeadRect rectangleFromImage(
  RasterViewPerspective viewPerspective, 
  LeadRect rc
)

 function Leadtools.RasterImage.RectangleFromImage( 
   viewPerspective ,
   rc 
)

public:
LeadRect RectangleFromImage( 
   RasterViewPerspective viewPerspective,
   LeadRect rc
)

Parameters

viewPerspective: Destination view perspective to which the rectangle should be translated.
rc: The rectangle to translate.

Return Value

The translated rectangle.

For more information, refer to Accounting for View Perspective.

For more information, refer to Changing Image Coordinates.

C#
Visual Basic
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing
Imports Leadtools.ImageProcessing.Core
Imports Leadtools.ImageProcessing.Color
Imports Leadtools.WinForms
Imports Leadtools.Dicom
Imports Leadtools.Drawing

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.WinForms;
using Leadtools.Dicom;
using Leadtools.Drawing;

      
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

Target Platforms

Reference

RasterImage Class
RasterImage Members