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// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2005 Novell, Inc.
//
// Author:
//
// Jordi Mas i Hernandez, jordi@ximian.com
//
// Tests color matrix processing
//
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
//
public class SampleColorMatrix{
public static Color ProcessColorMatrix (Color color, ColorMatrix colorMatrix)
{
Bitmap bmp = new Bitmap (64, 64);
Graphics gr = Graphics.FromImage (bmp);
ImageAttributes imageAttr = new ImageAttributes ();
bmp.SetPixel (0,0, color);
imageAttr.SetColorMatrix (colorMatrix);
gr.DrawImage (bmp, new Rectangle (0, 0, 64,64), 0,0, 64,64, GraphicsUnit.Pixel, imageAttr);
Console.WriteLine ("{0} - > {1}", color, bmp.GetPixel (0,0));
return bmp.GetPixel (0,0);
}
public static void ProcessImageColorMatrix (string sin, string sout, ColorMatrix colorMatrix)
{
Bitmap bmp_in = new Bitmap (sin);
Bitmap bmp_out = new Bitmap (bmp_in.Width, bmp_in.Height, bmp_in.PixelFormat);
Graphics gr = Graphics.FromImage (bmp_out);
ImageAttributes imageAttr = new ImageAttributes ();
imageAttr.SetColorMatrix (colorMatrix);
gr.DrawImage (bmp_in, new Rectangle (0, 0, bmp_out.Width, bmp_out.Height),
0,0, bmp_out.Width, bmp_out.Height, GraphicsUnit.Pixel, imageAttr);
imageAttr.Dispose ();
bmp_out.Save (sout);
bmp_in.Dispose ();
bmp_out.Dispose ();
Console.WriteLine ("Saving image file {0}", sout);
}
public static void Main(string[] args)
{
Color clr_src, clr_rslt;
Console.WriteLine ("Red");
/* Red */
{
ColorMatrix colorMatrix = new ColorMatrix (new float[][] {
new float[] {1, 0, 0, 0, 0},
new float[] {0, 1, 0, 0, 0},
new float[] {0, 0, 1, 0, 0},
new float[] {0, 0, 0, 1, 0},
new float[] {0, 0, 0, 0, 0},
});
clr_src = Color.FromArgb (255, 100, 20, 50);
clr_rslt = ProcessColorMatrix (clr_src, colorMatrix);
}
{
ColorMatrix colorMatrix = new ColorMatrix (new float[][] {
new float[] {2, 0, 0, 0, 0}, //R
new float[] {0, 1, 0, 0, 0}, //G
new float[] {0, 0, 1, 0, 0}, //B
new float[] {0, 0, 0, 1, 0}, //A
new float[] {0.2f, 0, 0, 0, 0}, //Translation
});
clr_src = Color.FromArgb (255, 100, 20, 50);
clr_rslt = ProcessColorMatrix (clr_src, colorMatrix);
}
{
ColorMatrix colorMatrix = new ColorMatrix (new float[][] {
new float[] {0.5f, 0, 0, 0, 0}, //R
new float[] {0.5f, 1, 0, 0, 0}, //G
new float[] {0, 0, 1, 0, 0}, //B
new float[] {0, 0, 0, 1, 0}, //A
new float[] {0.2f, 0, 0, 0, 0}, //Translation
});
clr_src = Color.FromArgb (255, 100, 20, 50);
clr_rslt = ProcessColorMatrix (clr_src, colorMatrix);
}
/* Green */
Console.WriteLine ("Green");
{
ColorMatrix colorMatrix = new ColorMatrix (new float[][] {
new float[] {1, 0, 0, 0, 0}, //R
new float[] {0, 2, 0, 0, 0}, //G
new float[] {0, 0, 1, 0, 0}, //B
new float[] {0, 0.5f, 0, 1, 0}, //A
new float[] {0, 0.1f, 0, 0, 0}, //Translation
});
clr_src = Color.FromArgb (255, 100, 20, 50);
clr_rslt = ProcessColorMatrix (clr_src, colorMatrix);
}
{
ColorMatrix colorMatrix = new ColorMatrix (new float[][] {
new float[] {1, 0, 0, 0, 0}, //R
new float[] {0, 1, 0, 0, 0}, //G
new float[] {0, 0, 1, 0, 0}, //B
new float[] {0, 2, 0, 1, 0}, //A
new float[] {0, 0.5f, 0, 0, 0}, //Translation
});
clr_src = Color.FromArgb (255, 100, 20, 50);
clr_rslt = ProcessColorMatrix (clr_src, colorMatrix);
}
{
ColorMatrix colorMatrix = new ColorMatrix (new float[][] {
new float[] {1, 0, 0, 0, 0}, //R
new float[] {0, 0, 0, 0, 0}, //G
new float[] {0, 0, 1, 0, 0}, //B
new float[] {0, 0.5f, 0, 1, 0}, //A
new float[] {0, 0f, 0, 0, 0}, //Translation
});
clr_src = Color.FromArgb (255, 100, 20, 50);
clr_rslt = ProcessColorMatrix (clr_src, colorMatrix);
}
/* Blue */
Console.WriteLine ("Blue");
{
ColorMatrix colorMatrix = new ColorMatrix (new float[][] {
new float[] {1, 0, 0, 0, 0}, //R
new float[] {0, 1, 0, 0, 0}, //G
new float[] {0, 0, 1.5f, 0, 0}, //B
new float[] {0, 0, 0.5f, 1, 0}, //A
new float[] {0, 0, 0, 0, 0}, //Translation
});
clr_src = Color.FromArgb (255, 100, 40, 25);
clr_rslt = ProcessColorMatrix (clr_src, colorMatrix);
}
{
ColorMatrix colorMatrix = new ColorMatrix (new float[][] {
new float[] {1, 0, 0, 0, 0}, //R
new float[] {0, 1, 1, 0, 0}, //G
new float[] {0, 0, 0, 0, 0}, //B
new float[] {0, 0, 0, 1, 0}, //A
new float[] {0, 0, 0, 0, 0}, //Translation
});
clr_src = Color.FromArgb (255, 100, 100, 25);
clr_rslt = ProcessColorMatrix (clr_src, colorMatrix);
}
{
ColorMatrix colorMatrix = new ColorMatrix (new float[][] {
new float[] {1, 0, 0, 0, 0}, //R
new float[] {0, 0, 0, 0, 0}, //G
new float[] {0, 0, 1, 0, 0}, //B
new float[] {0, 0.5f, 0, 1, 0}, //A
new float[] {0, 0f, 0, 0, 0}, //Translation
});
clr_src = Color.FromArgb (255, 100, 20, 50);
clr_rslt = ProcessColorMatrix (clr_src, colorMatrix);
}
/* Blue */
Console.WriteLine ("All");
{
ColorMatrix colorMatrix = new ColorMatrix (new float[][] {
new float[] {1, 0, 0, 0, 0}, //R
new float[] {0.5f, 1, 0, 0, 0}, //G
new float[] {0, 0.1f, 1.5f, 0, 0}, //B
new float[] {0.5f, 3, 0.5f, 1, 0}, //A
new float[] {0, 0, 0, 0, 0}, //Translation
});
clr_src = Color.FromArgb (255, 10, 20, 25);
clr_rslt = ProcessColorMatrix (clr_src, colorMatrix);
}
{
ColorMatrix colorMatrix = new ColorMatrix (new float[][] {
new float[] {1, 0, 0, 0.5f, 0}, //R
new float[] {0, 1, 1, 0, 0}, //G
new float[] {0, 0, 0.8f, 0, 0}, //B
new float[] {0, 2, 0, 1, 0}, //A
new float[] {0, 0, 0, 0, 0}, //Translation
});
clr_src = Color.FromArgb (255, 100, 100, 25);
clr_rslt = ProcessColorMatrix (clr_src, colorMatrix);
}
Console.WriteLine ("Images ---");
// Load an image and convert it to gray scale
ColorMatrix grayscale = new ColorMatrix();
grayscale.Matrix00 = 1/3f;
grayscale.Matrix01 = 1/3f;
grayscale.Matrix02 = 1/3f;
grayscale.Matrix10 = 1/3f;
grayscale.Matrix11 = 1/3f;
grayscale.Matrix12 = 1/3f;
grayscale.Matrix20 = 1/3f;
grayscale.Matrix21 = 1/3f;
grayscale.Matrix22 = 1/3f;
ProcessImageColorMatrix ("../System.Drawing/bitmaps/horse.bmp", "greyscale.bmp", grayscale);
// Load an image and convert it to sepia
ColorMatrix sepia = new ColorMatrix (new float[][] {
new float[] {0.393f, 0.349f, 0.272f, 0, 0},
new float[] {0.769f, 0.686f, 0.534f, 0, 0},
new float[] {0.189f, 0.168f, 0.131f, 0, 0},
new float[] { 0, 0, 0, 1, 0},
new float[] { 0, 0, 0, 0, 1}
});
ProcessImageColorMatrix ("../System.Drawing/bitmaps/horse.bmp", "sepia.bmp", sepia);
}
}
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