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.Drawing2D;
  32 using System.Drawing.Imaging;
  33 using System.Runtime.InteropServices;
  34 using NUnit.Framework;
  35
  36 namespace MonoTests.System.Drawing {
  37
  38         // copied from Mono's System.Drawing.dll gdiEnums.cs
  39         internal enum Status {
  40                 Ok = 0,
  41                 GenericError = 1,
  42                 InvalidParameter = 2,
  43                 OutOfMemory = 3,
  44                 ObjectBusy = 4,
  45                 InsufficientBuffer = 5,
  46                 NotImplemented = 6,
  47                 Win32Error = 7,
  48                 WrongState = 8,
  49                 Aborted = 9,
  50                 FileNotFound = 10,
  51                 ValueOverflow = 11,
  52                 AccessDenied = 12,
  53                 UnknownImageFormat = 13,
  54                 FontFamilyNotFound = 14,
  55                 FontStyleNotFound = 15,
  56                 NotTrueTypeFont = 16,
  57                 UnsupportedGdiplusVersion = 17,
  58                 GdiplusNotInitialized = 18,
  59                 PropertyNotFound = 19,
  60                 PropertyNotSupported = 20,
  61                 ProfileNotFound = 21
  62         }
  63
  64         // copied from Mono's System.Drawing.dll gdiEnums.cs
  65         internal enum Unit {
  66                 UnitWorld = 0,
  67                 UnitDisplay = 1,
  68                 UnitPixel = 2,
  69                 UnitPoint = 3,
  70                 UnitInch = 4,
  71                 UnitDocument = 5,
  72                 UnitMillimeter = 6
  73         }
  74
  75         [TestFixture]
  76         public class GDIPlusTest {
  77
  78                 // FontFamily
  79
  80                 [DllImport ("gdiplus.dll", CharSet=CharSet.Auto)]
  81                 internal static extern Status GdipCreateFontFamilyFromName (
  82                         [MarshalAs (UnmanagedType.LPWStr)] string fName, IntPtr collection, out IntPtr fontFamily);
  83
  84                 [DllImport ("gdiplus.dll")]
  85                 internal static extern Status GdipGetGenericFontFamilySerif (out IntPtr fontFamily);
  86
  87                 [DllImport ("gdiplus.dll")]
  88                 internal static extern Status GdipDeleteFontFamily (IntPtr fontfamily);
  89
  90                 [Test]
  91                 public void DeleteFontFamily ()
  92                 {
  93                         // invalid image pointer (null)
  94                         Assert.AreEqual (Status.InvalidParameter, GdipDeleteFontFamily (IntPtr.Zero), "null");
  95
  96                         IntPtr font_family;
  97                         GdipCreateFontFamilyFromName ("Arial", IntPtr.Zero, out font_family);
  98                         Assert.IsTrue (font_family != IntPtr.Zero, "GdipCreateFontFamilyFromName");
  99                         Assert.AreEqual (Status.Ok, GdipDeleteFontFamily (font_family), "first");
 100                 }
 101
 102                 [Test]
 103                 [Category ("NotWorking")]
 104                 public void DeleteFontFamily_DoubleDispose ()
 105                 {
 106                         IntPtr font_family;
 107                         GdipGetGenericFontFamilySerif (out font_family);
 108                         // first dispose
 109                         Assert.AreEqual (Status.Ok, GdipDeleteFontFamily (font_family), "first");
 110                         // second dispose
 111                         Assert.AreEqual (Status.Ok, GdipDeleteFontFamily (font_family), "second");
 112                 }
 113
 114                 // Bitmap
 115
 116                 [DllImport ("gdiplus.dll")]
 117                 internal static extern Status GdipCreateBitmapFromScan0 (int width, int height, int stride, PixelFormat format, IntPtr scan0, out IntPtr bmp);
 118
 119                 [Test]
 120                 public void CreateBitmapFromScan0 ()
 121                 {
 122                         IntPtr bmp;
 123                         Assert.AreEqual (Status.InvalidParameter, GdipCreateBitmapFromScan0 (-1, 10, 10, PixelFormat.Format32bppArgb, IntPtr.Zero, out bmp), "negative width");
 124                 }
 125
 126                 // Brush
 127
 128                 [DllImport ("gdiplus.dll")]
 129                 static internal extern Status GdipDeleteBrush (IntPtr brush);
 130
 131                 [Test]
 132                 public void DeleteBrush ()
 133                 {
 134                         Assert.AreEqual (Status.InvalidParameter, GdipDeleteBrush (IntPtr.Zero), "GdipDeleteBrush");
 135                 }
 136
 137                 // GraphicsPath
 138
 139                 [DllImport ("gdiplus.dll")]
 140                 internal static extern Status GdipCreatePath (FillMode brushMode, out IntPtr path);
 141
 142                 [DllImport ("gdiplus.dll")]
 143                 internal static extern Status GdipGetPointCount (IntPtr path, out int count);
 144
 145                 [DllImport ("gdiplus.dll")]
 146                 internal static extern Status GdipGetPathPoints (IntPtr path, [Out] PointF[] points, int count);
 147
 148                 [DllImport ("gdiplus.dll")]
 149                 internal static extern Status GdipGetPathTypes (IntPtr path, [Out] byte[] types, int count);
 150
 151                 [Test]
 152                 public void GetPointCount_Zero ()
 153                 {
 154                         IntPtr path;
 155                         Assert.AreEqual (Status.Ok, GdipCreatePath (FillMode.Alternate, out path), "GdipCreatePath");
 156                         Assert.IsTrue (path != IntPtr.Zero, "Handle");
 157
 158                         int count;
 159                         Assert.AreEqual (Status.Ok, GdipGetPointCount (path, out count), "GdipGetPointCount");
 160                         Assert.AreEqual (0, count, "Count");
 161
 162                         PointF[] points = new PointF[count];
 163                         Assert.AreEqual (Status.InvalidParameter, GdipGetPathPoints (path, points, count), "GdipGetPathPoints");
 164                         // can't get the points if the count is zero!
 165
 166                         byte[] types = new byte[count];
 167                         Assert.AreEqual (Status.InvalidParameter, GdipGetPathTypes (path, types, count), "GdipGetPathTypes");
 168                         // can't get the types if the count is zero!
 169                 }
 170
 171                 // Image
 172
 173                 [DllImport ("gdiplus.dll")]
 174                 internal static extern Status GdipDisposeImage (IntPtr image);
 175
 176                 [Test]
 177                 public void DisposeImage ()
 178                 {
 179                         // invalid image pointer (null)
 180                         Assert.AreEqual (Status.InvalidParameter, GdipDisposeImage (IntPtr.Zero), "null");
 181
 182                         IntPtr image;
 183                         GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 184                         Assert.AreEqual (Status.Ok, GdipDisposeImage (image), "first");
 185                 }
 186
 187                 [Test]
 188                 [Category ("NotWorking")]
 189                 public void DisposeImage_Dual ()
 190                 {
 191                         IntPtr image;
 192                         GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 193                         // first dispose
 194                         Assert.AreEqual (Status.Ok, GdipDisposeImage (image), "first");
 195                         // second dispose
 196                         Assert.AreEqual (Status.ObjectBusy, GdipDisposeImage (image), "second");
 197                 }
 198
 199
 200                 [DllImport ("gdiplus.dll")]
 201                 internal static extern Status GdipGetImageThumbnail (IntPtr image, uint width, uint height, out IntPtr thumbImage, IntPtr callback, IntPtr callBackData);
 202
 203                 [Test]
 204                 [Category ("NotWorking")] // libgdiplus doesn't implement GdipGetImageThumbnail (it is done inside S.D)
 205                 public void GetImageThumbnail ()
 206                 {
 207                         IntPtr ptr;
 208
 209                         // invalid image pointer (null)
 210                         Assert.AreEqual (Status.InvalidParameter, GdipGetImageThumbnail (IntPtr.Zero, 10, 10, out ptr, IntPtr.Zero, IntPtr.Zero));
 211
 212                         IntPtr image;
 213                         GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 214                         try {
 215                                 // invalid width (0)
 216                                 Assert.AreEqual (Status.OutOfMemory, GdipGetImageThumbnail (image, 0, 10, out ptr, IntPtr.Zero, IntPtr.Zero));
 217                                 // invalid width (negative)
 218                                 Assert.AreEqual (Status.OutOfMemory, GdipGetImageThumbnail (image, 0x8000000, 10, out ptr, IntPtr.Zero, IntPtr.Zero));
 219                                 // invalid height (0)
 220                                 Assert.AreEqual (Status.OutOfMemory, GdipGetImageThumbnail (image, 10, 0, out ptr, IntPtr.Zero, IntPtr.Zero));
 221                                 // invalid height (negative)
 222                                 Assert.AreEqual (Status.OutOfMemory, GdipGetImageThumbnail (image, 10, 0x8000000, out ptr, IntPtr.Zero, IntPtr.Zero));
 223                         }
 224                         finally {
 225                                 GdipDisposeImage (image);
 226                         }
 227                 }
 228
 229                 // PathGradientBrush
 230
 231                 [DllImport ("gdiplus.dll")]
 232                 static internal extern Status GdipCreatePathGradient (PointF[] points, int count, WrapMode wrapMode, out IntPtr brush);
 233
 234                 [DllImport ("gdiplus.dll")]
 235                 static internal extern Status GdipGetPathGradientBlendCount (IntPtr brush, out int count);
 236
 237                 [DllImport ("gdiplus.dll")]
 238                 static internal extern Status GdipGetPathGradientPresetBlend (IntPtr brush, int[] blend, float[] positions, int count);
 239
 240
 241                 [Test]
 242                 public void CreatePathGradient ()
 243                 {
 244                         PointF[] points = null;
 245                         IntPtr brush;
 246                         Assert.AreEqual (Status.OutOfMemory, GdipCreatePathGradient (points, 0, WrapMode.Clamp, out brush), "null");
 247
 248                         points = new PointF [0];
 249                         Assert.AreEqual (Status.OutOfMemory, GdipCreatePathGradient (points, 0, WrapMode.Clamp, out brush), "empty");
 250
 251                         points = new PointF[1];
 252                         Assert.AreEqual (Status.OutOfMemory, GdipCreatePathGradient (points, 1, WrapMode.Clamp, out brush), "one");
 253
 254                         points = new PointF[2] { new PointF (1, 2), new PointF (20, 30) };
 255                         Assert.AreEqual (Status.Ok, GdipCreatePathGradient (points, 2, WrapMode.Clamp, out brush), "two");
 256
 257                         int count;
 258                         Assert.AreEqual (Status.Ok, GdipGetPathGradientBlendCount (brush, out count), "GdipGetPathGradientBlendCount");
 259                         Assert.AreEqual (1, count, "blend count");
 260
 261                         int[] colors = new int[count];
 262                         float[] positions = new float[count];
 263                         Assert.AreEqual (Status.InvalidParameter, GdipGetPathGradientPresetBlend (brush, colors, positions, count), "GdipGetPathGradientBlend");
 264                         // can't call that for 1 count!
 265
 266                         Assert.AreEqual (Status.Ok, GdipDeleteBrush (brush), "GdipDeleteBrush");
 267                 }
 268
 269                 // Pen
 270
 271                 [DllImport ("gdiplus.dll")]
 272                 internal static extern Status GdipCreatePen1 (int argb, float width, Unit unit, out IntPtr pen);
 273
 274                 [DllImport ("gdiplus.dll")]
 275                 internal static extern Status GdipGetPenDashStyle (IntPtr pen, out DashStyle dashStyle);
 276
 277                 [DllImport ("gdiplus.dll")]
 278                 internal static extern Status GdipSetPenDashStyle (IntPtr pen, DashStyle dashStyle);
 279
 280                 [DllImport ("gdiplus.dll")]
 281                 internal static extern Status GdipGetPenDashCount (IntPtr pen, out int count);
 282
 283                 [DllImport ("gdiplus.dll")]
 284                 internal static extern Status GdipGetPenDashArray (IntPtr pen, float[] dash, int count);
 285
 286                 [DllImport ("gdiplus.dll")]
 287                 internal static extern Status GdipDeletePen (IntPtr pen);
 288
 289                 [Test]
 290                 public void CreatePen ()
 291                 {
 292                         IntPtr pen;
 293                         Assert.AreEqual (Status.Ok, GdipCreatePen1 (0, 0f, Unit.UnitWorld, out pen), "GdipCreatePen1");
 294                         Assert.IsTrue (pen != IntPtr.Zero, "pen");
 295
 296                         DashStyle ds;
 297                         Assert.AreEqual (Status.Ok, GdipGetPenDashStyle (pen, out ds), "GdipGetPenDashStyle");
 298                         Assert.AreEqual (Status.InvalidParameter, GdipGetPenDashStyle (IntPtr.Zero, out ds), "GdipGetPenDashStyle-null");
 299
 300                         ds = DashStyle.Custom;
 301                         Assert.AreEqual (Status.Ok, GdipSetPenDashStyle (pen, ds), "GdipSetPenDashStyle");
 302                         Assert.AreEqual (Status.InvalidParameter, GdipSetPenDashStyle (IntPtr.Zero, ds), "GdipSetPenDashStyle-null");
 303
 304                         int count;
 305                         Assert.AreEqual (Status.Ok, GdipGetPenDashCount (pen, out count), "GdipGetPenDashCount");
 306                         Assert.AreEqual (Status.InvalidParameter, GdipGetPenDashCount (IntPtr.Zero, out count), "GdipGetPenDashCount-null");
 307                         Assert.AreEqual (0, count, "count");
 308
 309                         float[] dash = new float[count];
 310                         Assert.AreEqual (Status.OutOfMemory, GdipGetPenDashArray (pen, dash, count), "GdipGetPenDashArray");
 311                         Assert.AreEqual (Status.InvalidParameter, GdipGetPenDashArray (IntPtr.Zero, dash, count), "GdipGetPenDashArray-null");
 312
 313                         Assert.AreEqual (Status.Ok, GdipDeletePen (pen), "GdipDeletePen");
 314                         Assert.AreEqual (Status.InvalidParameter, GdipDeletePen (IntPtr.Zero), "GdipDeletePen-null");
 315                 }
 316
 317                 // Region
 318
 319                 [DllImport ("gdiplus.dll")]
 320                 static internal extern Status GdipCreateRegionRgnData (byte[] data, int size, out IntPtr region);
 321
 322                 [Test]
 323                 public void CreateRegionRgnData ()
 324                 {
 325                         IntPtr region;
 326                         Assert.AreEqual (Status.InvalidParameter, GdipCreateRegionRgnData (null, 0, out region));
 327
 328                         byte[] data = new byte[0];
 329                         Assert.AreEqual (Status.GenericError, GdipCreateRegionRgnData (data, 0, out region));
 330                 }
 331         }
 332 }