mcs/class/System.Drawing/Test/System.Drawing/GDIPlusTest.cs

   1 //
   2 // Direct GDI+ API unit tests
   3 //
   4 // Authors:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // Copyright (C) 2006 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System;
  30 using System.Drawing;
  31 using System.Drawing.Imaging;
  32 using System.Runtime.InteropServices;
  33 using NUnit.Framework;
  34
  35 namespace MonoTests.System.Drawing {
  36
  37         // copied from Mono's System.Drawing.dll gdiEnums.cs
  38         internal enum Status {
  39                 Ok = 0,
  40                 GenericError = 1,
  41                 InvalidParameter = 2,
  42                 OutOfMemory = 3,
  43                 ObjectBusy = 4,
  44                 InsufficientBuffer = 5,
  45                 NotImplemented = 6,
  46                 Win32Error = 7,
  47                 WrongState = 8,
  48                 Aborted = 9,
  49                 FileNotFound = 10,
  50                 ValueOverflow = 11,
  51                 AccessDenied = 12,
  52                 UnknownImageFormat = 13,
  53                 FontFamilyNotFound = 14,
  54                 FontStyleNotFound = 15,
  55                 NotTrueTypeFont = 16,
  56                 UnsupportedGdiplusVersion = 17,
  57                 GdiplusNotInitialized = 18,
  58                 PropertyNotFound = 19,
  59                 PropertyNotSupported = 20,
  60                 ProfileNotFound = 21
  61         }
  62
  63         [TestFixture]
  64         public class GDIPlusTest {
  65
  66                 [DllImport ("gdiplus.dll")]
  67                 internal static extern Status GdipCreateBitmapFromScan0 (int width, int height, int stride, PixelFormat format, IntPtr scan0, out IntPtr bmp);
  68
  69                 [Test]
  70                 public void CreateBitmapFromScan0 ()
  71                 {
  72                         IntPtr bmp;
  73                         Assert.AreEqual (Status.InvalidParameter, GdipCreateBitmapFromScan0 (-1, 10, 10, PixelFormat.Format32bppArgb, IntPtr.Zero, out bmp), "negative width");
  74                 }
  75
  76
  77                 [DllImport ("gdiplus.dll")]
  78                 internal static extern Status GdipDisposeImage (IntPtr image);
  79
  80                 [Test]
  81                 public void DisposeImage ()
  82                 {
  83                         // invalid image pointer (null)
  84                         Assert.AreEqual (Status.InvalidParameter, GdipDisposeImage (IntPtr.Zero), "null");
  85
  86                         IntPtr image;
  87                         GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
  88                         Assert.AreEqual (Status.Ok, GdipDisposeImage (image), "first");
  89                 }
  90
  91                 [Test]
  92                 [Category ("NotWorking")]
  93                 public void DisposeImage_Dual ()
  94                 {
  95                         IntPtr image;
  96                         GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
  97                         // first dispose
  98                         Assert.AreEqual (Status.Ok, GdipDisposeImage (image), "first");
  99                         // second dispose
 100                         Assert.AreEqual (Status.ObjectBusy, GdipDisposeImage (image), "second");
 101                 }
 102
 103
 104                 [DllImport ("gdiplus.dll")]
 105                 internal static extern Status GdipGetImageThumbnail (IntPtr image, uint width, uint height, out IntPtr thumbImage, IntPtr callback, IntPtr callBackData);
 106
 107                 [Test]
 108                 [Category ("NotWorking")] // libgdiplus doesn't implement GdipGetImageThumbnail (it is done inside S.D)
 109                 public void GetImageThumbnail ()
 110                 {
 111                         IntPtr ptr;
 112
 113                         // invalid image pointer (null)
 114                         Assert.AreEqual (Status.InvalidParameter, GdipGetImageThumbnail (IntPtr.Zero, 10, 10, out ptr, IntPtr.Zero, IntPtr.Zero));
 115
 116                         IntPtr image;
 117                         GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 118                         try {
 119                                 // invalid width (0)
 120                                 Assert.AreEqual (Status.OutOfMemory, GdipGetImageThumbnail (image, 0, 10, out ptr, IntPtr.Zero, IntPtr.Zero));
 121                                 // invalid width (negative)
 122                                 Assert.AreEqual (Status.OutOfMemory, GdipGetImageThumbnail (image, 0x8000000, 10, out ptr, IntPtr.Zero, IntPtr.Zero));
 123                                 // invalid height (0)
 124                                 Assert.AreEqual (Status.OutOfMemory, GdipGetImageThumbnail (image, 10, 0, out ptr, IntPtr.Zero, IntPtr.Zero));
 125                                 // invalid height (negative)
 126                                 Assert.AreEqual (Status.OutOfMemory, GdipGetImageThumbnail (image, 10, 0x8000000, out ptr, IntPtr.Zero, IntPtr.Zero));
 127                         }
 128                         finally {
 129                                 GdipDisposeImage (image);
 130                         }
 131                 }
 132         }
 133 }