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

   1 //
   2 // JpegCodec 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.Permissions;
  39
  40 namespace MonoTests.System.Drawing
  41 {
  42
  43         [TestFixture]
  44         [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
  45         public class TestJpegCodec
  46         {
  47
  48                 [TearDown]
  49                 public void Clean() {}
  50
  51                 [SetUp]
  52                 public void GetReady()
  53                 {
  54
  55                 }
  56
  57                 /* Get suffix to add to the filename */
  58                 internal string getOutSufix()
  59                 {
  60                         if (Environment.GetEnvironmentVariable("MSNet")==null)
  61                                 return "-mono";
  62
  63                         return "";
  64                 }
  65
  66                 /* Get the input directory depending on the runtime*/
  67                 internal string getInFile(string file)
  68                 {
  69                         string sRslt, local;
  70
  71                         local = "../System.Drawing/" + file;
  72
  73                         sRslt = Path.GetFullPath (local);
  74
  75                         if (File.Exists(sRslt)==false)
  76                                 sRslt = "Test/System.Drawing/" + file;
  77
  78                         return sRslt;
  79                 }
  80
  81                 /* Checks bitmap features on a know 24-bits bitmap */
  82                 //[Test]
  83                 public void Bitmap24bitFeatures()
  84                 {
  85                         string sInFile = getInFile ("bitmaps/nature24bits.jpg");
  86                         Bitmap  bmp = new Bitmap(sInFile);
  87                         RectangleF rect;
  88                         GraphicsUnit unit = GraphicsUnit.World;
  89
  90                         rect = bmp.GetBounds(ref unit);
  91
  92                         Assert.AreEqual (PixelFormat.Format24bppRgb, bmp.PixelFormat);
  93                         Assert.AreEqual (110, bmp.Width);
  94                         Assert.AreEqual (100, bmp.Height);
  95
  96                         Assert.AreEqual (0, rect.X);
  97                         Assert.AreEqual (0, rect.Y);
  98                         Assert.AreEqual (110, rect.Width);
  99                         Assert.AreEqual (100, rect.Height);
 100
 101                         Assert.AreEqual (110, bmp.Size.Width);
 102                         Assert.AreEqual (100, bmp.Size.Height);
 103
 104                 }
 105
 106                 //[Test]
 107                 public void Save()
 108                 {
 109                         string sOutFile =  "linerect" + getOutSufix() + ".jpeg";
 110
 111                         // Save
 112                         Bitmap  bmp = new Bitmap(100,100, PixelFormat.Format32bppRgb);
 113                         Graphics gr = Graphics.FromImage(bmp);
 114
 115                         Pen p = new Pen(Color.Red, 2);
 116                         gr.DrawLine(p, 10.0F, 10.0F, 90.0F, 90.0F);
 117                         gr.DrawRectangle(p, 10.0F, 10.0F, 80.0F, 80.0F);
 118                         p.Dispose();
 119                         bmp.Save(sOutFile, ImageFormat.Bmp);
 120                         gr.Dispose();
 121                         bmp.Dispose();
 122
 123                         // Load
 124                         Bitmap  bmpLoad = new Bitmap(sOutFile);
 125
 126                         Color color = bmpLoad.GetPixel(10,10);
 127
 128                         //Assert.AreEqual (Color.FromArgb(255,255,0,0), color);
 129                 }
 130
 131
 132         }
 133 }