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GetPaintPalette Method
See Also 



image
The source image.
graphics
The graphics object on which this Leadtools.RasterImage is painted.
image
The source image.
graphics
The graphics object on which this Leadtools.RasterImage is painted.
Returns a GDI+ palette corresponding to this Leadtools.RasterImage if painted on the given graphic object.

Syntax

Visual Basic (Declaration) 
Public Shared Function GetPaintPalette( _
   ByVal image As RasterImage, _
   ByVal graphics As Graphics _
) As ColorPalette
Visual Basic (Usage)Copy Code
Dim image As RasterImage
Dim graphics As Graphics
Dim value As ColorPalette
 
value = RasterImagePainter.GetPaintPalette(image, graphics)
C# 
public static ColorPalette GetPaintPalette( 
   RasterImage image,
   Graphics graphics
)
C++/CLI 
public:
static ColorPalette^ GetPaintPalette( 
   RasterImage^ image,
   Graphics^ graphics
) 

Parameters

image
The source image.
graphics
The graphics object on which this Leadtools.RasterImage is painted.

Return Value

a GDI+ palette

Example

Visual BasicCopy Code
Public Sub GetPaintPaletteExample()
      Dim codecs As New RasterCodecs()
      Dim image As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp"), 8, CodecsLoadByteOrder.Rgb, 1, 1)

      Using btmp As New Bitmap(1, 1)
         Using g As Graphics = Graphics.FromImage(btmp)
            Dim palette As ColorPalette = RasterImagePainter.GetPaintPalette(image, g)
            If Not IsNothing(palette) Then
               Console.WriteLine("Paint palette colors:")
               For i As Integer = 0 To palette.Entries.Length - 1
                  Console.WriteLine("{0} - {1}", i, palette.Entries(i))
               Next
            Else
               Console.WriteLine("There is no palette")
            End If
         End Using
      End Using

      image.Dispose()
      codecs.Dispose()
   End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
C#Copy Code
public void GetPaintPaletteExample()
   {
      RasterCodecs codecs = new RasterCodecs();
      RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp"), 8, CodecsLoadByteOrder.Rgb, 1, 1);

      using(Bitmap btmp = new Bitmap(1, 1))
      {
         using(Graphics g = Graphics.FromImage(btmp))
         {
            ColorPalette palette = RasterImagePainter.GetPaintPalette(image, g);
            if(palette != null)
            {
               Console.WriteLine("Paint palette colors:");
               for(int i = 0; i < palette.Entries.Length; i++)
               {
                  Console.WriteLine("{0} - {1}", i, palette.Entries[i]);
               }
            }
            else
            {
               Console.WriteLine("There is no palette");
            }
         }
      }

      image.Dispose();
      codecs.Dispose();
   }

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

Remarks

For more information refer to RasterImage and GDI/GDI+.

For more information, refer to Handling Palette Changes.

Requirements

Target Platforms: Silverlight 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7, MAC OS/X (Intel Only)

See Also