2 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
4 // Permission is hereby granted, free of charge, to any person obtaining
5 // a copy of this software and associated documentation files (the
6 // "Software"), to deal in the Software without restriction, including
7 // without limitation the rights to use, copy, modify, merge, publish,
8 // distribute, sublicense, and/or sell copies of the Software, and to
9 // permit persons to whom the Software is furnished to do so, subject to
10 // the following conditions:
12 // The above copyright notice and this permission notice shall be
13 // included in all copies or substantial portions of the Software.
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 // Jordi Mas i Hernandez (jordi@ximian.com)
30 using System.Drawing.Imaging;
31 using NUnit.Framework;
33 using System.Security.Cryptography;
34 using System.Security.Permissions;
37 namespace MonoTests.System.Drawing
41 [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
42 public class TestImageAttributes
46 public void Clean() {}
49 public void GetReady()
54 private static Color ProcessColorMatrix (Color color, ColorMatrix colorMatrix)
56 Bitmap bmp = new Bitmap (64, 64);
57 Graphics gr = Graphics.FromImage (bmp);
58 ImageAttributes imageAttr = new ImageAttributes ();
60 bmp.SetPixel (0,0, color);
62 imageAttr.SetColorMatrix (colorMatrix);
63 gr.DrawImage (bmp, new Rectangle (0, 0, 64,64), 0,0, 64,64, GraphicsUnit.Pixel, imageAttr);
64 return bmp.GetPixel (0,0);
68 // Text Color Matrix processing
70 public void ColorMatrix ()
72 Color clr_src, clr_rslt;
74 ColorMatrix cm = new ColorMatrix (new float[][] {
75 new float[] {2, 0, 0, 0, 0}, //R
76 new float[] {0, 1, 0, 0, 0}, //G
77 new float[] {0, 0, 1, 0, 0}, //B
78 new float[] {0, 0, 0, 1, 0}, //A
79 new float[] {0.2f, 0, 0, 0, 0}, //Translation
82 clr_src = Color.FromArgb (255, 100, 20, 50);
83 clr_rslt = ProcessColorMatrix (clr_src, cm);
85 Assert.AreEqual (clr_rslt, Color.FromArgb (255, 251, 20, 50));
88 cm = new ColorMatrix (new float[][] {
89 new float[] {1, 0, 0, 0, 0}, //R
90 new float[] {0, 1, 0, 0, 0}, //G
91 new float[] {0, 0, 1.5f, 0, 0}, //B
92 new float[] {0, 0, 0.5f, 1, 0}, //A
93 new float[] {0, 0, 0, 0, 0}, //Translation
96 clr_src = Color.FromArgb (255, 100, 40, 25);
97 clr_rslt = ProcessColorMatrix (clr_src, cm);
98 Assert.AreEqual (clr_rslt, Color.FromArgb (255, 100, 40, 165));