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Diffstat (limited to 'mcs/class/System.Drawing/Samples/System.Drawing.Imaging/ColorMatrix.cs')
| -rw-r--r-- | mcs/class/System.Drawing/Samples/System.Drawing.Imaging/ColorMatrix.cs | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/mcs/class/System.Drawing/Samples/System.Drawing.Imaging/ColorMatrix.cs b/mcs/class/System.Drawing/Samples/System.Drawing.Imaging/ColorMatrix.cs new file mode 100644 index 00000000000..445393bcb9d --- /dev/null +++ b/mcs/class/System.Drawing/Samples/System.Drawing.Imaging/ColorMatrix.cs @@ -0,0 +1,259 @@ +// 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); + + } + +} + + |