GetPaintColors Method

C#
Visual Basic
Objective-C
Java
C++

public static 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)

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

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 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

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

[TestMethod]
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

Reference

RasterImagePainter Class
RasterImagePainter Members