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LEADTOOLS (Leadtools assembly)
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FlipRegion Method








Leadtools Namespace > RasterImage Class : FlipRegion Method
Flips the image region (top to bottom).
Syntax
public void FlipRegion()
'Declaration
 

Public Sub FlipRegion() 
'Usage
 

Dim instance As RasterImage
 
instance.FlipRegion()
public void FlipRegion()
- (BOOL)flipRegion:(NSError **)error
public void flipRegion()
 function Leadtools.RasterImage.FlipRegion()

public:
void FlipRegion();
Example
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 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:\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 FlipRegionExample()
{
   RasterCodecs codecs = new RasterCodecs();
   string srcFileName = Path.Combine(ImagesPath.Path, "Image1.cmp");
   string destFileName1 = Path.Combine(ImagesPath.Path, "Image1_OriginalRegion.bmp");
   string destFileName2 = Path.Combine(ImagesPath.Path, "Image1_OffsetRegion.bmp");
   string destFileName3 = Path.Combine(ImagesPath.Path, "Image1_FlipRegion.bmp");
   string destFileName4 = Path.Combine(ImagesPath.Path, "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();
}
RasterImageExamples.prototype.FlipRegionExample = function ( ) 
{
   Tools.SetLicense ( ) ;
   with (Leadtools) {
      with (Leadtools.Codecs) {
         var codecs = new RasterCodecs();

         var srcFileName = "Assets\\Image1.cmp";
         var destFileName1 = "Image1_OriginalRegion.bmp";
         var destFileName2 = "Image1_OffsetRegion.bmp";
         var destFileName3 = "Image1_FlipRegion.bmp";
         var destFileName4 = "Image1_ReverseRegion.bmp";
         var image;
         var imageWithRegion;
         var command = new Leadtools.ImageProcessing.Color.InvertCommand();
         // Load the image
         return Tools.AppInstallFolder().getFileAsync(srcFileName).then(function (loadFile) {
            return codecs.loadAsync(LeadStreamFactory.create(loadFile))
         })
      .then(function (img) {
         image = img;

         // Add an ellipse inside a rectangle region to the image

         var rc = LeadRectHelper.create(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
         imageWithRegion = image.clone();
         command.run(imageWithRegion);
         return Tools.AppLocalFolder().createFileAsync(destFileName1)
      })
            .then(function (saveFile) {
               var saveStream = LeadStreamFactory.create(saveFile);
               return codecs.saveAsync(image, saveStream, RasterImageFormat.bmp, 24)
            })
            .then(function () {
               imageWithRegion.close();

               // Offset the region
               image.offsetRegion(100, 50);
               imageWithRegion = image.clone();

               command.run(imageWithRegion);
               return Tools.AppLocalFolder().createFileAsync(destFileName2)
            })
            .then(function (saveFile) {
               saveStream = LeadStreamFactory.create(saveFile);
               return codecs.saveAsync(image, saveStream, RasterImageFormat.bmp, 24)
            })
            .then(function () {
               imageWithRegion.close();

               // Flip the region
               image.flipRegion();
               imageWithRegion = image.clone();
               command.run(imageWithRegion);
               return Tools.AppLocalFolder().createFileAsync(destFileName3)
            })
            .then(function (saveFile) {
               var saveStream = LeadStreamFactory.create(saveFile);
               return codecs.saveAsync(image, saveStream, RasterImageFormat.bmp, 24)
            })
            .then(function () {
               imageWithRegion.close();

               // Reverse the region
               image.reverseRegion();
               imageWithRegion = image.clone();
               command.run(imageWithRegion);
               return Tools.AppLocalFolder().createFileAsync(destFileName4)
            })
            .then(function (saveFile) {
               saveStream = LeadStreamFactory.create(saveFile);
               return codecs.saveAsync(image, saveStream, RasterImageFormat.bmp, 24)
            })
            .then(function () {
               imageWithRegion.close();

               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 FlipRegionExample()
{
   RasterCodecs codecs = new RasterCodecs();
   string srcFileName = @"Assets\Image1.cmp";
   string destFileName1 = @"Image1_OriginalRegion.bmp";
   string destFileName2 = @"Image1_OffsetRegion.bmp";
   string destFileName3 = @"Image1_FlipRegion.bmp";
   string destFileName4 = @"Image1_ReverseRegion.bmp";

   // Load the image
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   // Add an ellipse inside a rectangle region to the image

   LeadRect rc = LeadRectHelper.Create(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);
   StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName1);
   ILeadStream saveStream = LeadStreamFactory.Create(saveFile);
   await codecs.SaveAsync(image, saveStream, RasterImageFormat.Bmp, 24);
   imageWithRegion.Dispose();

   // Offset the region
   image.OffsetRegion(100, 50);
   imageWithRegion = image.Clone();
   command.Run(imageWithRegion);
   saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName2);
   saveStream = LeadStreamFactory.Create(saveFile);
   await codecs.SaveAsync(image, saveStream, RasterImageFormat.Bmp, 24);
   imageWithRegion.Dispose();

   // Flip the region
   image.FlipRegion();
   imageWithRegion = image.Clone();
   command.Run(imageWithRegion);
   saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName3);
   saveStream = LeadStreamFactory.Create(saveFile);
   await codecs.SaveAsync(image, saveStream, RasterImageFormat.Bmp, 24);
   imageWithRegion.Dispose();

   // Reverse the region
   image.ReverseRegion();
   imageWithRegion = image.Clone();
   command.Run(imageWithRegion);
   saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName4);
   saveStream = LeadStreamFactory.Create(saveFile);
   await codecs.SaveAsync(image, saveStream, RasterImageFormat.Bmp, 24);
   imageWithRegion.Dispose();

   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 FlipRegionExample(RasterImage image, Stream destStream1, Stream destStream2, Stream destStream3, Stream destStream4)
{
   // Add a rectangle region to the image
   LeadRect rc = new LeadRect(0, 0, image.Width / 3, image.Height / 6);
   image.AddRectangleToRegion(null, rc, RasterRegionCombineMode.Set);

   using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
   {
      // Clone this image and run an image proccesing command on it
      InvertCommand command = new InvertCommand();

      RasterCodecs codecs = new RasterCodecs();
      RasterImage imageWithRegion = image.Clone();
      command.Run(imageWithRegion);
      codecs.Save(image, destStream1, RasterImageFormat.Bmp, 0);
      imageWithRegion.Dispose();

      // Offset the region
      image.OffsetRegion(100, 50);
      imageWithRegion = image.Clone();
      command.Run(imageWithRegion);
      codecs.Save(image, destStream2, RasterImageFormat.Bmp, 0);
      imageWithRegion.Dispose();

      // Flip the region
      image.FlipRegion();
      imageWithRegion = image.Clone();
      command.Run(imageWithRegion);
      codecs.Save(image, destStream3, RasterImageFormat.Bmp, 0);
      imageWithRegion.Dispose();

      // Reverse the region
      image.ReverseRegion();
      imageWithRegion = image.Clone();
      command.Run(imageWithRegion);
      codecs.Save(image, destStream4, RasterImageFormat.Bmp, 0);
      imageWithRegion.Dispose();

      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 FlipRegionExample(ByVal image As RasterImage, ByVal destStream1 As Stream, ByVal destStream2 As Stream, ByVal destStream3 As Stream, ByVal destStream4 As Stream)
   ' Add a rectangle region to the image
   Dim rc As LeadRect = New LeadRect(0, 0, image.Width / 3, image.Height / 6)
   image.AddRectangleToRegion(Nothing, rc, RasterRegionCombineMode.Set)

   Using isf As IsolatedStorageFile = IsolatedStorageFile.GetUserStoreForApplication()
      ' Clone this image and run an image proccesing command on it
      Dim command As InvertCommand = New InvertCommand()

      Dim codecs As RasterCodecs = New RasterCodecs()
      Dim imageWithRegion As RasterImage = image.Clone()
      command.Run(imageWithRegion)
      codecs.Save(image, destStream1, RasterImageFormat.Bmp, 0)
      imageWithRegion.Dispose()

      ' Offset the region
      image.OffsetRegion(100, 50)
      imageWithRegion = image.Clone()
      command.Run(imageWithRegion)
      codecs.Save(image, destStream2, RasterImageFormat.Bmp, 0)
      imageWithRegion.Dispose()

      ' Flip the region
      image.FlipRegion()
      imageWithRegion = image.Clone()
      command.Run(imageWithRegion)
      codecs.Save(image, destStream3, RasterImageFormat.Bmp, 0)
      imageWithRegion.Dispose()

      ' Reverse the region
      image.ReverseRegion()
      imageWithRegion = image.Clone()
      command.Run(imageWithRegion)
      codecs.Save(image, destStream4, RasterImageFormat.Bmp, 0)
      imageWithRegion.Dispose()

      image.Dispose()
   End Using
End Sub
Requirements

Target Platforms

See Also

Reference

RasterImage Class
RasterImage Members

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