JpegCodec Testcase

svn path=/trunk/mcs/; revision=27271

diff --git a/mcs/class/System.Drawing/Test/System.Drawing.Imaging/TestJpegCodec.cs b/mcs/class/System.Drawing/Test/System.Drawing.Imaging/TestJpegCodec.cs
new file mode 100644 (file)
index 0000000..3978ede
--- /dev/null
+++ b/mcs/class/System.Drawing/Test/System.Drawing.Imaging/TestJpegCodec.cs
@@ -0,0 +1,120 @@
+//
+// JpegCodec class testing unit
+//
+// Author:
+//
+//      Jordi Mas i Hernàndez (jordi@ximian.com)
+//
+// (C) 2004 Ximian, Inc.  http://www.ximian.com
+//
+using System;
+using System.Drawing;
+using System.Drawing.Imaging;
+using NUnit.Framework;
+using System.IO;
+
+namespace MonoTests.System.Drawing
+{
+
+       [TestFixture]   
+       public class TestJpegCodec : Assertion 
+       {
+               
+               [TearDown]
+               public void Clean() {}
+               
+               [SetUp]
+               public void GetReady()          
+               {
+               
+               }
+               
+               /* Get the output directory depending on the runtime and location*/
+               internal string getOutSubDir()
+               {                               
+                       string sSub, sRslt;                     
+                       
+                       if (Environment.GetEnvironmentVariable("MSNet")==null)
+                               sSub = "mono/";
+                       else
+                               sSub = "MSNet/";                        
+                       
+                       sRslt = Path.GetFullPath ("../System.Drawing/" +  sSub);
+                               
+                       if (Directory.Exists(sRslt) ==  false) 
+                               sRslt = "Test/System.Drawing/" + sSub;                                                  
+                       
+                       if (sRslt.Length > 0)
+                               if (sRslt[sRslt.Length-1] != '\\' && sRslt[sRslt.Length-1] != '/')
+                                       sRslt += "/";                                   
+                       return sRslt;
+               }
+
+               /* Get the input directory depending on the runtime*/
+               internal string getInFile(string file)
+               {                               
+                       string sRslt, local;                                            
+
+                       local = "../System.Drawing/" + file;
+                       
+                       sRslt = Path.GetFullPath (local);
+                               
+                       if (File.Exists(sRslt)==false) 
+                               sRslt = "Test/System.Drawing/" + file;                                                  
+                       
+                       return sRslt;
+               }
+               
+               /* Checks bitmap features on a know 24-bits bitmap */
+               [Test]
+               public void Bitmap24bitFeatures()
+               {
+                       string sInFile = getInFile ("bitmaps/nature24bits.jpg");
+                       Bitmap  bmp = new Bitmap(sInFile);                                              
+                       RectangleF rect;
+                       GraphicsUnit unit = GraphicsUnit.World;
+                       
+                       rect = bmp.GetBounds(ref unit);
+
+                       AssertEquals (PixelFormat.Format24bppRgb, bmp.PixelFormat);
+                       AssertEquals (110, bmp.Width);
+                       AssertEquals (100, bmp.Height);         
+                       
+                       AssertEquals (0, rect.X);
+                       AssertEquals (0, rect.Y);               
+                       AssertEquals (110, rect.Width);
+                       AssertEquals (100, rect.Height);                                        
+                       
+                       AssertEquals (110, bmp.Size.Width);
+                       AssertEquals (100, bmp.Size.Height);
+                       
+               }
+
+               [Test]
+               public void Save() 
+               {                               
+                       string sOutFile =  getOutSubDir() + "linerect.jpeg";
+                                               
+                       // Save         
+                       Bitmap  bmp = new Bitmap(100,100, PixelFormat.Format32bppRgb);                                          
+                       Graphics gr = Graphics.FromImage(bmp);          
+                       
+                       Pen p = new Pen(Color.Red, 2);
+                       gr.DrawLine(p, 10.0F, 10.0F, 90.0F, 90.0F);
+                       gr.DrawRectangle(p, 10.0F, 10.0F, 80.0F, 80.0F);
+                       p.Dispose();                                    
+                       bmp.Save(sOutFile, ImageFormat.Bmp);
+                       gr.Dispose();
+                       bmp.Dispose();                                                  
+                       
+                       // Load                 
+                       Bitmap  bmpLoad = new Bitmap(sOutFile);                                 
+                       
+                       Color color = bmpLoad.GetPixel(10,10);                                  
+                       
+                       AssertEquals (Color.FromArgb(255,255,0,0), color);                                                                                      
+               }
+
+               
+       }
+}