GetPaintPalette Method

C#
Visual Basic
Objective-C
Java
C++

public static ColorPalette GetPaintPalette( 
   RasterImage image,
   Graphics graphics
)

'Declaration

Public Shared Function GetPaintPalette( _
   ByVal image As RasterImage, _
   ByVal graphics As Graphics _
) As ColorPalette

'Usage

Dim image As RasterImage
Dim graphics As Graphics
Dim value As ColorPalette
 
value = RasterImagePainter.GetPaintPalette(image, graphics)

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

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

For more information, refer to Handling Palette Changes.

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

Copy Code

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.Drawing
Imports Leadtools.ImageProcessing

<TestMethod()> _
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

using Leadtools;
using Leadtools.Codecs;
using Leadtools.Drawing;
using Leadtools.ImageProcessing;

[TestMethod]
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";
}

Target Platforms

Reference

RasterImagePainter Class
RasterImagePainter Members