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RectangleToImage Method

Summary
Translates a rectangle from a specified view perspective to this RasterImage view perspective.
Syntax
C#
Objective-C
C++/CLI
Java
Python
- (LeadRect)rectangleToImage:(LTRasterViewPerspective)viewPerspective  
                  sourceRect:(LeadRect)src 
def RectangleToImage(self,viewPerspective,rc): 

Parameters

viewPerspective
Source view perspective from which the rectangle should be translated.

rc
The rectangle to translate.

Return Value

The translated rectangle.

Remarks

For more information, refer to Accounting for View Perspective.

For more information, refer to Changing Image Coordinates.

Example
C#
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(LEAD_VARS.ImagesDir, "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(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
} 
Requirements

Target Platforms

Help Version 23.0.2024.5.22
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.