mcs/class/System.Drawing/Test/System.Drawing.Imaging/TestBmpCodec.cs

   1 //
   2 // BMPCodec class testing unit
   3 //
   4 // Author:
   5 //
   6 //       Jordi Mas i Hernàndez (jordi@ximian.com)
   7 //
   8 // (C) 2004 Ximian, Inc.  http://www.ximian.com
   9 //
  10
  11 //
  12 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  13 //
  14 // Permission is hereby granted, free of charge, to any person obtaining
  15 // a copy of this software and associated documentation files (the
  16 // "Software"), to deal in the Software without restriction, including
  17 // without limitation the rights to use, copy, modify, merge, publish,
  18 // distribute, sublicense, and/or sell copies of the Software, and to
  19 // permit persons to whom the Software is furnished to do so, subject to
  20 // the following conditions:
  21 //
  22 // The above copyright notice and this permission notice shall be
  23 // included in all copies or substantial portions of the Software.
  24 //
  25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  32 //
  33 using System;
  34 using System.Drawing;
  35 using System.Drawing.Imaging;
  36 using NUnit.Framework;
  37 using System.IO;
  38 using System.Security.Cryptography;
  39 using System.Security.Permissions;
  40 using System.Text;
  41
  42 namespace MonoTests.System.Drawing
  43 {
  44
  45         [TestFixture]
  46         [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
  47         public class TestBmpCodec
  48         {
  49
  50                 [TearDown]
  51                 public void Clean() {}
  52
  53                 [SetUp]
  54                 public void GetReady()
  55                 {
  56
  57                 }
  58
  59                 /* Get suffix to add to the filename */
  60                 internal string getOutSufix()
  61                 {
  62                         if (Environment.GetEnvironmentVariable("MSNet")==null)
  63                                 return "-mono";
  64
  65                         return "";
  66                 }
  67
  68                 /* Get the input directory depending on the runtime*/
  69                 internal string getInFile(string file)
  70                 {
  71                         string sRslt, local;
  72
  73                         local = "../System.Drawing/" + file;
  74
  75                         sRslt = Path.GetFullPath (local);
  76
  77                         if (File.Exists(sRslt)==false)
  78                                 sRslt = "Test/System.Drawing/" + file;
  79
  80                         return sRslt;
  81                 }
  82
  83                 /* Checks bitmap features on a know 24-bits bitmap */
  84                 [Test]
  85                 public void Bitmap24bitFeatures()
  86                 {
  87                         string sInFile = getInFile ("bitmaps/almogaver24bits.bmp");
  88                         Bitmap  bmp = new Bitmap(sInFile);
  89                         RectangleF rect;
  90                         GraphicsUnit unit = GraphicsUnit.World;
  91
  92                         rect = bmp.GetBounds(ref unit);
  93
  94                         Assert.AreEqual (PixelFormat.Format24bppRgb, bmp.PixelFormat);
  95                         Assert.AreEqual (173, bmp.Width);
  96                         Assert.AreEqual (183, bmp.Height);
  97
  98                         Assert.AreEqual (0, rect.X);
  99                         Assert.AreEqual (0, rect.Y);
 100                         Assert.AreEqual (173, rect.Width);
 101                         Assert.AreEqual (183, rect.Height);
 102
 103                         Assert.AreEqual (173, bmp.Size.Width);
 104                         Assert.AreEqual (183, bmp.Size.Height);
 105                 }
 106
 107
 108
 109                 /* Checks bitmap features on a know 32-bits bitmap (codec)*/
 110                 [Test]
 111                 public void Bitmap32bitFeatures()
 112                 {
 113                         string sInFile = getInFile ("bitmaps/almogaver32bits.bmp");
 114                         Bitmap  bmp = new Bitmap(sInFile);
 115                         RectangleF rect;
 116                         GraphicsUnit unit = GraphicsUnit.World;
 117
 118                         rect = bmp.GetBounds(ref unit);
 119
 120                         Assert.AreEqual (173, bmp.Width);
 121                         Assert.AreEqual (183, bmp.Height);
 122
 123                         Assert.AreEqual (0, rect.X);
 124                         Assert.AreEqual (0, rect.Y);
 125                         Assert.AreEqual (173, rect.Width);
 126                         Assert.AreEqual (183, rect.Height);
 127
 128                         Assert.AreEqual (173, bmp.Size.Width);
 129                         Assert.AreEqual (183, bmp.Size.Height);
 130                 }
 131
 132                 [Test]
 133                 public void Save()
 134                 {
 135                         string sOutFile =  "linerect" + getOutSufix() + ".bmp";
 136
 137                         // Save
 138                         Bitmap  bmp = new Bitmap(100,100, PixelFormat.Format32bppRgb);
 139                         Graphics gr = Graphics.FromImage(bmp);
 140
 141                         Pen p = new Pen(Color.Red, 2);
 142                         gr.DrawLine(p, 10.0F, 10.0F, 90.0F, 90.0F);
 143                         gr.DrawRectangle(p, 10.0F, 10.0F, 80.0F, 80.0F);
 144                         p.Dispose();
 145                         bmp.Save(sOutFile, ImageFormat.Bmp);
 146                         gr.Dispose();
 147                         bmp.Dispose();
 148
 149                         // Load
 150                         Bitmap  bmpLoad = new Bitmap(sOutFile);
 151
 152                         Color color = bmpLoad.GetPixel(10,10);
 153
 154                         //Assert.AreEqual (Color.FromArgb(255,255,0,0), color);
 155                 }
 156
 157
 158         }
 159 }