GetPaintColors Method

public static RasterColor[] GetPaintColors( 
   RasterImage image,
   Graphics graphics
)

public static RasterColor[] GetPaintColors( 
   RasterImage image,
   Graphics graphics
)

 function Leadtools.Drawing.RasterImagePainter.GetPaintColors( 
   image ,
   graphics 
)

public:
static array<RasterColor>^ GetPaintColors( 
   RasterImage^ image,
   Graphics^ graphics
)

'Declaration
 
Public Shared Function GetPaintColors( _
   ByVal image As RasterImage, _
   ByVal graphics As Graphics _
) As RasterColor()

'Usage
 
Dim image As RasterImage
Dim graphics As Graphics
Dim value() As RasterColor
 
value = RasterImagePainter.GetPaintColors(image, graphics)

Parameters

image: The source image.
graphics: The graphics object on which this image is painted.

Return Value

An array of color for the palette

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

For more information, refer to Color Halftone and Halftone Images.

Visual Basic
C#

Public Sub GetPaintColorsExample()
      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 colors() As RasterColor = RasterImagePainter.GetPaintColors(image, g)
            If Not IsNothing(colors) Then
               Console.WriteLine("Paint colors:")
               For i As Integer = 0 To colors.Length - 1
                  Console.WriteLine("{0} - {1}", i, colors(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

public void GetPaintColorsExample()
   {
      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))
         {
            RasterColor[] colors = RasterImagePainter.GetPaintColors(image, g);
            if(colors != null)
            {
               Console.WriteLine("Paint colors:");
               for(int i = 0; i < colors.Length; i++)
               {
                  Console.WriteLine("{0} - {1}", i, colors[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: 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

RasterImagePainter Class
RasterImagePainter Members