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CodecsGifOptions Class
See Also  Members   Example 
Leadtools.Codecs Namespace : CodecsGifOptions Class



Provides extra options for loading and saving GIF images.

Object Model



Syntax

Visual Basic (Declaration) 
Public Class CodecsGifOptions
Visual Basic (Usage)Copy Code
Dim instance As CodecsGifOptions
C# 
public class CodecsGifOptions
C++/CLI 
public ref class CodecsGifOptions

Example

Visual BasicCopy Code
Public Sub CodecsGifOptionsExample()
   RasterCodecs.Startup()
   Dim codecs As RasterCodecs = New RasterCodecs()
   Dim srcFileName As String = LeadtoolsExamples.Common.ImagesPath.Path + "eye.gif"

   ' Get all Information about the Gif file that you want to load.
   Dim imageInfo As CodecsImageInfo = codecs.GetInformation(srcFileName, True)

   ' set the animation loop value.
   If imageInfo.Gif.HasAnimationLoop Then
      codecs.Options.Gif.Load.AnimationLoop = imageInfo.Gif.AnimationLoop
      If imageInfo.Gif.AnimationLoop > 10 Then
         codecs.Options.Gif.Save.AnimationLoop = 10
      End If
   End If

   ' if this image that you want to load uses the Animation loop then use it in the save options.
   codecs.Options.Gif.Save.UseAnimationLoop = imageInfo.Gif.HasAnimationLoop

   ' if this image that you want to load uses the Animation Background then use it in the save options.
   If imageInfo.Gif.HasAnimationBackground Then
      codecs.Options.Gif.Save.AnimationBackground = imageInfo.Gif.AnimationBackground
   End If

   ' if this image that you want to load uses the Animation Palette then use it in the save options.
   If imageInfo.Gif.HasAnimationPalette Then
      codecs.Options.Gif.Save.SetAnimationPalette(imageInfo.Gif.GetAnimationPalette())
   End If

   codecs.Options.Gif.Save.UseAnimationPalette = imageInfo.Gif.HasAnimationPalette

   ' if this image that you want to load uses the Intrlaced option, then use it otherwise don't use it.
   codecs.Options.Gif.Save.Interlaced = imageInfo.Gif.IsInterlaced

   codecs.Options.Gif.Save.AnimationWidth = imageInfo.Gif.AnimationWidth
   codecs.Options.Gif.Save.AnimationHeight = imageInfo.Gif.AnimationHeight

   Dim srcImage As RasterImage = codecs.Load(srcFileName)

   codecs.Save(srcImage, LeadtoolsExamples.Common.ImagesPath.Path + "gif1.gif", RasterImageFormat.Gif, srcImage.BitsPerPixel, 1, srcImage.PageCount, 1, CodecsSavePageMode.Overwrite)

   'change some save options and save the image in a new file.
   codecs.Options.Gif.Save.UseAnimationLoop = True
   codecs.Options.Gif.Save.AnimationLoop = 1
   codecs.Options.Gif.Save.AnimationWidth = imageInfo.Gif.AnimationWidth + 100
   codecs.Options.Gif.Save.AnimationHeight = imageInfo.Gif.AnimationHeight + 100

   'Saving the image after the Gif setting.
   codecs.Save(srcImage, LeadtoolsExamples.Common.ImagesPath.Path + "gif2.gif", RasterImageFormat.Gif, srcImage.BitsPerPixel, 1, srcImage.PageCount, 1, CodecsSavePageMode.Overwrite)

   ' Clean up
   srcImage.Dispose()
   codecs.Dispose()
   RasterCodecs.Shutdown()
End Sub
C#Copy Code
public void CodecsGifOptionsExample() 
{ 
   RasterCodecs.Startup(); 
   RasterCodecs codecs = new RasterCodecs(); 
   string srcFileName = LeadtoolsExamples.Common.ImagesPath.Path + "eye.gif"; 
 
   // Get all Information about the Gif file that you want to load. 
   CodecsImageInfo imageInfo = codecs.GetInformation(srcFileName, true); 
 
   // set the animation loop value.  
   if (imageInfo.Gif.HasAnimationLoop) 
   { 
      codecs.Options.Gif.Load.AnimationLoop = imageInfo.Gif.AnimationLoop; 
      if (imageInfo.Gif.AnimationLoop > 10) 
         codecs.Options.Gif.Save.AnimationLoop = 10; 
   } 
 
   // if this image that you want to load uses the Animation loop then use it in the save options. 
   codecs.Options.Gif.Save.UseAnimationLoop = imageInfo.Gif.HasAnimationLoop; 
 
   // if this image that you want to load uses the Animation Background then use it in the save options. 
   if (imageInfo.Gif.HasAnimationBackground) 
      codecs.Options.Gif.Save.AnimationBackground = imageInfo.Gif.AnimationBackground; 
 
   // if this image that you want to load uses the Animation Palette then use it in the save options. 
   if (imageInfo.Gif.HasAnimationPalette) 
      codecs.Options.Gif.Save.SetAnimationPalette(imageInfo.Gif.GetAnimationPalette()); 
 
   codecs.Options.Gif.Save.UseAnimationPalette = imageInfo.Gif.HasAnimationPalette; 
 
   // if this image that you want to load uses the Intrlaced option, then use it otherwise don't use it. 
   codecs.Options.Gif.Save.Interlaced = imageInfo.Gif.IsInterlaced; 
 
   codecs.Options.Gif.Save.AnimationWidth = imageInfo.Gif.AnimationWidth; 
   codecs.Options.Gif.Save.AnimationHeight = imageInfo.Gif.AnimationHeight; 
 
   RasterImage srcImage = codecs.Load(srcFileName); 
 
   codecs.Save(srcImage,  LeadtoolsExamples.Common.ImagesPath.Path + "gif1.gif", RasterImageFormat.Gif, srcImage.BitsPerPixel, 1, srcImage.PageCount, 1, CodecsSavePageMode.Overwrite); 
 
   //change some save options and save the image in a new file. 
   codecs.Options.Gif.Save.UseAnimationLoop = true; 
   codecs.Options.Gif.Save.AnimationLoop = 1; 
   codecs.Options.Gif.Save.AnimationWidth = imageInfo.Gif.AnimationWidth + 100; 
   codecs.Options.Gif.Save.AnimationHeight = imageInfo.Gif.AnimationHeight + 100; 
 
   //Saving the image after the Gif setting. 
   codecs.Save(srcImage,  LeadtoolsExamples.Common.ImagesPath.Path + "gif2.gif", RasterImageFormat.Gif, srcImage.BitsPerPixel, 1, srcImage.PageCount, 1, CodecsSavePageMode.Overwrite); 
 
   // Clean up 
   srcImage.Dispose(); 
   codecs.Dispose(); 
   RasterCodecs.Shutdown(); 
}

Inheritance Hierarchy

System.Object
   Leadtools.Codecs.CodecsGifOptions

Requirements

Target Platforms: Microsoft .NET Framework 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family

See Also