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.Text;
  40
  41 namespace MonoTests.System.Drawing
  42 {
  43
  44         [TestFixture]
  45         public class TestBmpCodec
  46         {
  47
  48                 [TearDown]
  49                 public void Clean() {}
  50
  51                 [SetUp]
  52                 public void GetReady()
  53                 {
  54
  55                 }
  56
  57                 /* Get the output directory depending on the runtime and location*/
  58                 internal string getOutSubDir()
  59                 {
  60                         string sSub, sRslt;
  61
  62                         if (Environment.GetEnvironmentVariable("MSNet")==null)
  63                                 sSub = "mono/";
  64                         else
  65                                 sSub = "MSNet/";
  66
  67                         sRslt = Path.GetFullPath ("../System.Drawing/" +  sSub);
  68
  69                         if (Directory.Exists(sRslt) ==  false)
  70                                 sRslt = "Test/System.Drawing/" + sSub;
  71
  72                         if (sRslt.Length > 0)
  73                                 if (sRslt[sRslt.Length-1] != '\\' && sRslt[sRslt.Length-1] != '/')
  74                                         sRslt += "/";
  75                         return sRslt;
  76                 }
  77
  78                 /* Get the input directory depending on the runtime*/
  79                 internal string getInFile(string file)
  80                 {
  81                         string sRslt, local;
  82
  83                         local = "../System.Drawing/" + file;
  84
  85                         sRslt = Path.GetFullPath (local);
  86
  87                         if (File.Exists(sRslt)==false)
  88                                 sRslt = "Test/System.Drawing/" + file;
  89
  90                         return sRslt;
  91                 }
  92
  93                 /* Checks bitmap features on a know 24-bits bitmap */
  94                 [Test]
  95                 public void Bitmap24bitFeatures()
  96                 {
  97                         string sInFile = getInFile ("bitmaps/almogaver24bits.bmp");
  98                         Bitmap  bmp = new Bitmap(sInFile);
  99                         RectangleF rect;
 100                         GraphicsUnit unit = GraphicsUnit.World;
 101
 102                         rect = bmp.GetBounds(ref unit);
 103
 104                         Assert.AreEqual (PixelFormat.Format24bppRgb, bmp.PixelFormat);
 105                         Assert.AreEqual (173, bmp.Width);
 106                         Assert.AreEqual (183, bmp.Height);
 107
 108                         Assert.AreEqual (0, rect.X);
 109                         Assert.AreEqual (0, rect.Y);
 110                         Assert.AreEqual (173, rect.Width);
 111                         Assert.AreEqual (183, rect.Height);
 112
 113                         Assert.AreEqual (173, bmp.Size.Width);
 114                         Assert.AreEqual (183, bmp.Size.Height);
 115                 }
 116
 117
 118
 119                 /* Checks bitmap features on a know 32-bits bitmap (codec)*/
 120                 [Test]
 121                 public void Bitmap32bitFeatures()
 122                 {
 123                         string sInFile = getInFile ("bitmaps/almogaver32bits.bmp");
 124                         Bitmap  bmp = new Bitmap(sInFile);
 125                         RectangleF rect;
 126                         GraphicsUnit unit = GraphicsUnit.World;
 127
 128                         rect = bmp.GetBounds(ref unit);
 129
 130                         //Assert.AreEqual (PixelFormat.Format32bppArgb, bmp.PixelFormat);
 131                         Assert.AreEqual (173, bmp.Width);
 132                         Assert.AreEqual (183, bmp.Height);
 133
 134                         Assert.AreEqual (0, rect.X);
 135                         Assert.AreEqual (0, rect.Y);
 136                         Assert.AreEqual (173, rect.Width);
 137                         Assert.AreEqual (183, rect.Height);
 138
 139                         Assert.AreEqual (173, bmp.Size.Width);
 140                         Assert.AreEqual (183, bmp.Size.Height);
 141                 }
 142
 143                 [Test]
 144                 public void Save()
 145                 {
 146                         string sOutFile =  getOutSubDir() + "linerect.bmp";
 147
 148                         // Save
 149                         Bitmap  bmp = new Bitmap(100,100, PixelFormat.Format32bppRgb);
 150                         Graphics gr = Graphics.FromImage(bmp);
 151
 152                         Pen p = new Pen(Color.Red, 2);
 153                         gr.DrawLine(p, 10.0F, 10.0F, 90.0F, 90.0F);
 154                         gr.DrawRectangle(p, 10.0F, 10.0F, 80.0F, 80.0F);
 155                         p.Dispose();
 156                         bmp.Save(sOutFile, ImageFormat.Bmp);
 157                         gr.Dispose();
 158                         bmp.Dispose();
 159
 160                         // Load
 161                         Bitmap  bmpLoad = new Bitmap(sOutFile);
 162
 163                         Color color = bmpLoad.GetPixel(10,10);
 164
 165                         Assert.AreEqual (Color.FromArgb(255,255,0,0), color);
 166                 }
 167
 168
 169         }
 170 }