FlipRegion Method

Summary

Flips the image region (top to bottom).

Syntax

Objective-C

C++

Java

public void FlipRegion()

Public Sub FlipRegion()

- (BOOL)flipRegion:(NSError **)error

public void flipRegion()

public: 
void FlipRegion();

Example

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 FlipRegionExample() 
{ 
	RasterCodecs codecs = new RasterCodecs(); 
 
	string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp"); 
	string destFileName1 = Path.Combine(LEAD_VARS.ImagesDir, "Image1_OriginalRegion.bmp"); 
	string destFileName2 = Path.Combine(LEAD_VARS.ImagesDir, "Image1_OffsetRegion.bmp"); 
	string destFileName3 = Path.Combine(LEAD_VARS.ImagesDir, "Image1_FlipRegion.bmp"); 
	string destFileName4 = Path.Combine(LEAD_VARS.ImagesDir, "Image1_ReverseRegion.bmp"); 
 
	// Load the image 
	RasterImage image = codecs.Load(srcFileName); 
 
	// Add an ellipse inside a rectangle region to the image 
 
	LeadRect rc = new LeadRect(0, 0, image.Width / 3, image.Height / 6); 
	image.AddEllipseToRegion(null, rc, RasterRegionCombineMode.Set); 
 
	// Clone this image and run an image proccesing command on it 
	InvertCommand command = new InvertCommand(); 
 
	RasterImage imageWithRegion = image.Clone(); 
	command.Run(imageWithRegion); 
	codecs.Save(imageWithRegion, destFileName1, RasterImageFormat.Bmp, 24); 
	imageWithRegion.Dispose(); 
 
	// Offset the region 
	image.OffsetRegion(100, 50); 
	imageWithRegion = image.Clone(); 
	command.Run(imageWithRegion); 
	codecs.Save(imageWithRegion, destFileName2, RasterImageFormat.Bmp, 24); 
	imageWithRegion.Dispose(); 
 
	// Flip the region 
	image.FlipRegion(); 
	imageWithRegion = image.Clone(); 
	command.Run(imageWithRegion); 
	codecs.Save(imageWithRegion, destFileName3, RasterImageFormat.Bmp, 24); 
	imageWithRegion.Dispose(); 
 
	// Reverse the region 
	image.ReverseRegion(); 
	imageWithRegion = image.Clone(); 
	command.Run(imageWithRegion); 
	codecs.Save(imageWithRegion, destFileName4, RasterImageFormat.Bmp, 24); 
	imageWithRegion.Dispose(); 
 
	image.Dispose(); 
	codecs.Dispose(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS21\Resources\Images"; 
}

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 FlipRegionExample() 
   Dim codecs As RasterCodecs = New RasterCodecs() 
 
   Dim srcFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp") 
   Dim destFileName1 As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1_OriginalRegion.bmp") 
   Dim destFileName2 As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1_OffsetRegion.bmp") 
   Dim destFileName3 As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1_FlipRegion.bmp") 
   Dim destFileName4 As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1_ReverseRegion.bmp") 
 
   ' Load the image 
   Dim image As RasterImage = codecs.Load(srcFileName) 
 
   ' Add an ellipse inside a rectangle region to the image 
 
   Dim rc As LeadRect = New LeadRect(0, 0, image.Width \ 3, image.Height \ 6) 
   image.AddEllipseToRegion(Nothing, rc, RasterRegionCombineMode.Set) 
 
   ' Clone this image and run an image proccesing command on it 
   Dim command As InvertCommand = New InvertCommand() 
 
   Dim imageWithRegion As RasterImage = image.Clone() 
   command.Run(imageWithRegion) 
   codecs.Save(imageWithRegion, destFileName1, RasterImageFormat.Bmp, 24) 
   imageWithRegion.Dispose() 
 
   ' Offset the region 
   image.OffsetRegion(100, 50) 
   imageWithRegion = image.Clone() 
   command.Run(imageWithRegion) 
   codecs.Save(imageWithRegion, destFileName2, RasterImageFormat.Bmp, 24) 
   imageWithRegion.Dispose() 
 
   ' Flip the region 
   image.FlipRegion() 
   imageWithRegion = image.Clone() 
   command.Run(imageWithRegion) 
   codecs.Save(imageWithRegion, destFileName3, RasterImageFormat.Bmp, 24) 
   imageWithRegion.Dispose() 
 
   ' Reverse the region 
   image.ReverseRegion() 
   imageWithRegion = image.Clone() 
   command.Run(imageWithRegion) 
   codecs.Save(imageWithRegion, destFileName4, RasterImageFormat.Bmp, 24) 
   imageWithRegion.Dispose() 
 
   image.Dispose() 
   codecs.Dispose() 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\LEADTOOLS21\Resources\Images" 
End Class

Requirements

Target Platforms

Reference

RasterImage Class

RasterImage Members

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Help Version 21.0.2021.7.2

Leadtools Assembly

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Leadtools Namespace

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