PickSamePalette Property

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public bool PickSamePalette {get; set;}

'Declaration
 
Public Property PickSamePalette As Boolean

'Usage
 
Dim instance As ImageOptimizerOptions
Dim value As Boolean
 
instance.PickSamePalette = value
 
value = instance.PickSamePalette

public bool PickSamePalette {get; set;}

 get_PickSamePalette();
 set_PickSamePalette(value);

public:
property bool PickSamePalette {
   bool get();
   void set (    bool value);
}

Property Value

Value that indicates whether to generate a unique global palette for all GIF frames or generate a separate palette for each frame. Possible values are:

Value	Description
true	Generate a unique global palette for all GIF Frames.
false	Generate an individual palette for each GIF Frame.

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

Public Sub TestGifImageOptimizer()
   ' Initialize the RasterCodecs class
   Dim codecs As RasterCodecs = New RasterCodecs()

   ' The input and output location
   Dim inputFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "eye.gif")
   Dim outputFolder As String = Path.Combine(LEAD_VARS.ImagesDir, "Optimized Images")

   ' Initialize a new Optimizer object
   Dim optimizer As ImageOptimizer = New ImageOptimizer()

   ' Optimization Options
   Dim options As ImageOptimizerOptions = ImageOptimizerOptions.Default

   ' Set custom optimization options
   options.Distance = 20
   options.Percent = 15
   options.PickSamePalette = True

   ' Load the input file into a byte memory array
   Dim orgBuffer() As Byte = File.ReadAllBytes(inputFileName)

   ' Optimize this buffer
   Dim optBuffer() As Byte = optimizer.OptimizeBuffer(codecs, orgBuffer, 0, orgBuffer.Length, options, Nothing)

   ' Save this image into the output folder
   ' Make sure the output folder exists
   If (Not Directory.Exists(outputFolder)) Then
      Directory.CreateDirectory(outputFolder)
   End If

   ' Get the name of the output file from the input file
   Dim outputFileName As String = Path.Combine(outputFolder, Path.GetFileName(inputFileName))

   ' Save the optimized buffer to the output file
   Using fs As FileStream = File.Create(outputFileName)
      fs.Write(optBuffer, 0, optBuffer.Length)
   End Using

   ' Compare the original image size with the optimized size
   Dim orgSize As Long = New FileInfo(inputFileName).Length
   Dim optSize As Long = New FileInfo(outputFileName).Length
   Dim percentage As Integer = CType(CType(optSize * 100.0 / orgSize, Double), Integer)

   Dim message As String = String.Format( _
      "Original image size: {0} KB{1}Optimized image size: {2} KB{1}Percentage: {3}%", _
      orgSize / 1024, Environment.NewLine, optSize / 1024, _
      100 - percentage)
   MessageBox.Show(message)

   'shutdown the RasterCodecs class.
End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class

public void TestGifImageOptimizer( )
   {
      // Initialize the RasterCodecs class
      RasterCodecs codecs = new RasterCodecs();

      // The input and output location
      string inputFileName = Path.Combine(LEAD_VARS.ImagesDir, "eye.gif");
      string outputFolder = Path.Combine(LEAD_VARS.ImagesDir, "OptimizedImages");

      // Initialize a new Optimizer object
      ImageOptimizer optimizer = new ImageOptimizer();

      // Optimization Options
      ImageOptimizerOptions options = ImageOptimizerOptions.Default;

      // Set custom optimization options
      options.Distance = 20;
      options.Percent = 15;
      options.PickSamePalette = true;

      // Load the input file into a byte memory array
      byte[] orgBuffer = File.ReadAllBytes(inputFileName);

      // Optimize this buffer
      byte[] optBuffer = optimizer.OptimizeBuffer(codecs, orgBuffer, 0, orgBuffer.Length, options, null);

      // Save this image into the output folder
      // Make sure the output folder exists
      if(!Directory.Exists(outputFolder))
         Directory.CreateDirectory(outputFolder);

      // Get the name of the output file from the input file
      string outputFileName = Path.Combine(outputFolder, Path.GetFileName(inputFileName));

      // Save the optimized buffer to the output file
      using(FileStream fs = File.Create(outputFileName))
         fs.Write(optBuffer, 0, optBuffer.Length);

      // Compare the original image size with the optimized size
      long orgSize = new FileInfo(inputFileName).Length;
      long optSize = new FileInfo(outputFileName).Length;
      int percentage = (int)((double)optSize * 100.0 / orgSize);

      string message = string.Format(
         "Original image size: {0} KB{1}Optimized image size: {2} KB{1}Percentage: {3}%",
         orgSize / 1024, Environment.NewLine, optSize / 1024,
         100 - percentage);
      MessageBox.Show(message);

      //shutdown the RasterCodecs class.
   }

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

ImageOptimizerOptions Structure
ImageOptimizerOptions Members