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         [TestFixture]
  39         public class GDIPlusTest {
  40
  41                 // for the moment this LOGFONT is different (and ok) from the one defined internally in SD
  42                 [StructLayout (LayoutKind.Sequential, CharSet = CharSet.Auto)]
  43                 public class LOGFONT {
  44                         public int lfHeight = 0;
  45                         public int lfWidth = 0;
  46                         public int lfEscapement = 0;
  47                         public int lfOrientation = 0;
  48                         public int lfWeight = 0;
  49                         public byte lfItalic = 0;
  50                         public byte lfUnderline = 0;
  51                         public byte lfStrikeOut = 0;
  52                         public byte lfCharSet = 0;
  53                         public byte lfOutPrecision = 0;
  54                         public byte lfClipPrecision = 0;
  55                         public byte lfQuality = 0;
  56                         public byte lfPitchAndFamily = 0;
  57                         [MarshalAs (UnmanagedType.ByValTStr, SizeConst = 32)]
  58                         public string lfFaceName = null;
  59                 }
  60
  61                 // FontFamily
  62                 [Test]
  63                 public void DeleteFontFamily ()
  64                 {
  65                         // invalid image pointer (null)
  66                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDeleteFontFamily (IntPtr.Zero), "null");
  67
  68                         IntPtr font_family;
  69                         GDIPlus.GdipCreateFontFamilyFromName ("Arial", IntPtr.Zero, out font_family);
  70                         if (font_family != IntPtr.Zero)
  71                                 Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteFontFamily (font_family), "first");
  72                         else
  73                                 Assert.Ignore ("Arial isn't available on this platform");
  74                 }
  75
  76                 [Test]
  77                 [Category ("NotWorking")]
  78                 public void DeleteFontFamily_DoubleDispose ()
  79                 {
  80                         IntPtr font_family;
  81                         GDIPlus.GdipGetGenericFontFamilySerif (out font_family);
  82                         // first dispose
  83                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteFontFamily (font_family), "first");
  84                         // second dispose
  85                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteFontFamily (font_family), "second");
  86                 }
  87
  88                 // Font
  89                 [Test]
  90                 public void CreateFont ()
  91                 {
  92                         IntPtr family;
  93                         GDIPlus.GdipCreateFontFamilyFromName ("Arial", IntPtr.Zero, out family);
  94                         if (family == IntPtr.Zero)
  95                                 Assert.Ignore ("Arial isn't available on this platform");
  96
  97                         IntPtr font;
  98                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateFont (family, 10f, FontStyle.Regular, GraphicsUnit.Point, out font), "GdipCreateFont");
  99                         Assert.IsTrue (font != IntPtr.Zero, "font");
 100
 101                         LOGFONT lf = new LOGFONT ();
 102                         lf.lfCharSet = 1;
 103                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetLogFont (font, IntPtr.Zero, (object) lf), "GdipGetLogFont-null-graphics");
 104                         Assert.AreEqual (0, lf.lfCharSet, "lfCharSet-null-graphics");
 105                         // other lf members looks like garbage
 106
 107                         IntPtr image;
 108                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 109                         Assert.IsTrue (image != IntPtr.Zero, "image");
 110
 111                         IntPtr graphics;
 112                         GDIPlus.GdipGetImageGraphicsContext (image, out graphics);
 113                         Assert.IsTrue (graphics != IntPtr.Zero, "graphics");
 114
 115                         lf.lfCharSet = 1;
 116                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetLogFont (IntPtr.Zero, graphics, (object) lf), "GdipGetLogFont-null");
 117                         Assert.AreEqual (0, lf.lfCharSet, "lfCharSet-null");
 118
 119                         lf.lfCharSet = 1;
 120                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetLogFont (font, graphics, (object) lf), "GdipGetLogFont");
 121                         Assert.AreEqual (0, lf.lfCharSet, "lfCharSet");
 122                         // strangely this is 1 in the managed side
 123
 124                         lf.lfCharSet = 2;
 125                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetLogFont (font, graphics, (object) lf), "GdipGetLogFont-2");
 126                         Assert.AreEqual (0, lf.lfCharSet, "lfCharSet");
 127                         // strangely this is 2 in the managed side
 128
 129                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteFont (font), "GdipDeleteFont");
 130                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDeleteFont (IntPtr.Zero), "GdipDeleteFont-null");
 131
 132                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteFontFamily (family), "GdipDeleteFontFamily");
 133                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (image), "GdipDisposeImage");
 134                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteGraphics (graphics), "GdipDeleteGraphics");
 135                 }
 136
 137                 // Bitmap
 138                 [Test]
 139                 public void CreateBitmapFromScan0 ()
 140                 {
 141                         IntPtr bmp;
 142                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCreateBitmapFromScan0 (-1, 10, 10, PixelFormat.Format32bppArgb, IntPtr.Zero, out bmp), "negative width");
 143                 }
 144
 145                 // Brush
 146                 [Test]
 147                 public void DeleteBrush ()
 148                 {
 149                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDeleteBrush (IntPtr.Zero), "GdipDeleteBrush");
 150                 }
 151
 152                 // Graphics
 153                 [Test]
 154                 public void Graphics ()
 155                 {
 156                         IntPtr graphics;
 157                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetImageGraphicsContext (IntPtr.Zero, out graphics), "GdipGetImageGraphicsContext");
 158
 159                         IntPtr image;
 160                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 161                         Assert.IsTrue (image != IntPtr.Zero, "image");
 162
 163                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetImageGraphicsContext (image, out graphics), "GdipGetImageGraphicsContext");
 164                         Assert.IsTrue (graphics != IntPtr.Zero, "graphics");
 165
 166
 167                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteGraphics (graphics), "GdipDeleteGraphics");
 168                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDeleteGraphics (IntPtr.Zero), "GdipDeleteGraphics-null");
 169
 170                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (image), "GdipDisposeImage");
 171                 }
 172
 173                 // GraphicsPath
 174                 [Test]
 175                 public void GetPointCount_Zero ()
 176                 {
 177                         IntPtr path;
 178                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePath (FillMode.Alternate, out path), "GdipCreatePath");
 179                         Assert.IsTrue (path != IntPtr.Zero, "Handle");
 180
 181                         int count;
 182                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPointCount (IntPtr.Zero, out count), "GdipGetPointCount-null");
 183                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPointCount (path, out count), "GdipGetPointCount");
 184                         Assert.AreEqual (0, count, "Count");
 185
 186                         PointF[] points = new PointF[count];
 187                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathPoints (IntPtr.Zero, points, count), "GdipGetPathPoints-null-1");
 188                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathPoints (path, null, count), "GdipGetPathPoints-null-2");
 189                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathPoints (path, points, count), "GdipGetPathPoints");
 190                         // can't get the points if the count is zero!
 191
 192                         byte[] types = new byte[count];
 193                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathTypes (IntPtr.Zero, types, count), "GdipGetPathTypes-null-1");
 194                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathTypes (path, null, count), "GdipGetPathTypes-null-2");
 195                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathTypes (path, types, count), "GdipGetPathTypes");
 196                         // can't get the types if the count is zero!
 197
 198                         PointF[] pts_2f = new PointF[2] { new PointF (2f, 4f), new PointF (10f, 30f) };
 199                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipAddPathLine2 (IntPtr.Zero, pts_2f, pts_2f.Length), "GdipAddPathLine2-null-path");
 200                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipAddPathLine2 (path, null, pts_2f.Length), "GdipAddPathLine2-null-points");
 201                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipAddPathLine2 (path, pts_2f, -1), "GdipAddPathLine2-negative-count");
 202                         Assert.AreEqual (Status.Ok, GDIPlus.GdipAddPathLine2 (path, pts_2f, pts_2f.Length), "GdipAddPathLine2");
 203
 204                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPointCount (path, out count), "GdipGetPointCount");
 205                         Assert.AreEqual (2, count, "Count");
 206
 207                         points = new PointF[count];
 208                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPathPoints (path, points, count), "GdipGetPathPoints-ok");
 209
 210                         types = new byte[count];
 211                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPathTypes (path, types, count), "GdipGetPathTypes-ok");
 212
 213                         Assert.AreEqual (Status.Ok, GDIPlus.GdipResetPath (path), "GdipResetPath");
 214                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipResetPath (IntPtr.Zero), "GdipResetPath-null");
 215
 216                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePath (path), "GdipDeletePath");
 217                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDeletePath (IntPtr.Zero), "GdipDeletePath-null");
 218                 }
 219
 220                 [Test]
 221                 public void Widen ()
 222                 {
 223                         IntPtr pen;
 224                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePen1 (0, 0f, Unit.UnitWorld, out pen), "GdipCreatePen1");
 225
 226                         IntPtr path;
 227                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePath (FillMode.Alternate, out path), "GdipCreatePath");
 228
 229                         IntPtr matrix;
 230                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateMatrix (out matrix), "GdipCreateMatrix");
 231
 232                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipWidenPath (IntPtr.Zero, pen, matrix, 1.0f), "GdipWidenPath-null-path");
 233                         // empty path
 234                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipWidenPath (path, pen, matrix, 1.0f), "GdipWidenPath");
 235
 236                         // add something to the path
 237                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipAddPathLine (IntPtr.Zero, 1, 1, 10, 10), "GdipAddPathLine");
 238                         Assert.AreEqual (Status.Ok, GDIPlus.GdipAddPathLine (path, 1, 1, 10, 10), "GdipAddPathLine");
 239
 240                         int count;
 241                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPointCount (path, out count), "GdipGetPointCount");
 242                         Assert.AreEqual (2, count, "Count");
 243
 244                         Assert.AreEqual (Status.Ok, GDIPlus.GdipWidenPath (path, pen, matrix, 1.0f), "GdipWidenPath-2");
 245
 246                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteMatrix (matrix), "GdipDeleteMatrix");
 247                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePath (path), "GdipDeletePath");
 248                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePen (pen), "GdipDeletePen");
 249                 }
 250
 251                 // GraphicsPathIterator
 252                 [Test]
 253                 public void GraphicsPathIterator ()
 254                 {
 255                         IntPtr path;
 256                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePath (FillMode.Alternate, out path), "GdipCreatePath");
 257
 258                         IntPtr iter;
 259                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePathIter (out iter, path), "GdipCreatePathIter");
 260
 261                         int count = -1;
 262                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterGetCount (IntPtr.Zero, out count), "GdipPathIterGetCount-null");
 263                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterGetCount (iter, out count), "GdipPathIterGetCount");
 264                         Assert.AreEqual (0, count, "count-1");
 265
 266                         count = -1;
 267                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterGetSubpathCount (IntPtr.Zero, out count), "GdipPathIterGetSubpathCount-null");
 268                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterGetSubpathCount (iter, out count), "GdipPathIterGetSubpathCount");
 269                         Assert.AreEqual (0, count, "count-2");
 270
 271                         bool curve;
 272                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterHasCurve (IntPtr.Zero, out curve), "GdipPathIterHasCurve-null");
 273                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterHasCurve (iter, out curve), "GdipPathIterHasCurve");
 274                         Assert.IsFalse (curve, "curve");
 275
 276                         int result;
 277                         PointF[] points = new PointF[count];
 278                         byte[] types = new byte[count];
 279                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterEnumerate (IntPtr.Zero, out result, points, types, count), "GdipPathIterEnumerate-iter");
 280                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterEnumerate (iter, out result, null, types, count), "GdipPathIterEnumerate-points");
 281                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterEnumerate (iter, out result, points, null, count), "GdipPathIterEnumerate-types");
 282                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterEnumerate (iter, out result, points, types, -1), "GdipPathIterEnumerate-count");
 283                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterEnumerate (iter, out result, points, types, count), "GdipPathIterEnumerate");
 284
 285                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterCopyData (IntPtr.Zero, out result, points, types, 0, 0), "GdipPathIterCopyData-iter");
 286                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterCopyData (iter, out result, null, types, 0, 0), "GdipPathIterCopyData-points");
 287                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterCopyData (iter, out result, points, null, 0, 0), "GdipPathIterCopyData-types");
 288                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterCopyData (iter, out result, points, types, -1, 0), "GdipPathIterCopyData-start");
 289                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterCopyData (iter, out result, points, types, 0, -1), "GdipPathIterCopyData-end");
 290                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterCopyData (iter, out result, points, types, 0, 0), "GdipPathIterCopyData");
 291
 292                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterNextMarkerPath (IntPtr.Zero, out result, path), "GdipPathIterNextMarkerPath-iter");
 293                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextMarkerPath (iter, out result, IntPtr.Zero), "GdipPathIterNextMarkerPath-path");
 294                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextMarkerPath (iter, out result, path), "GdipPathIterNextMarkerPath");
 295
 296                         result = -1;
 297                         int start = -1;
 298                         int end = -1;
 299                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterNextMarker (IntPtr.Zero, out result, out start, out end), "GdipPathIterNextMarker-iter");
 300                         start = -1;
 301                         end = -1;
 302                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextMarker (iter, out result, out start, out end), "GdipPathIterNextMarker");
 303                         Assert.AreEqual (0, result, "result-4");
 304                         Assert.AreEqual (-1, start, "start-1");
 305                         Assert.AreEqual (-1, end, "end-1");
 306
 307                         byte pathType = 255;
 308                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterNextPathType (IntPtr.Zero, out result, out pathType, out start, out end), "GdipPathIterNextPathType-iter");
 309                         pathType = 255;
 310                         start = -1;
 311                         end = -1;
 312                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextPathType (iter, out result, out pathType, out start, out end), "GdipPathIterNextPathType");
 313                         Assert.AreEqual (0, result, "result-5");
 314                         Assert.AreEqual (255, pathType, "pathType");
 315                         Assert.AreEqual (-1, start, "start-2");
 316                         Assert.AreEqual (-1, end, "end-2");
 317
 318                         bool closed = false;
 319                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterNextSubpathPath (IntPtr.Zero, out result, IntPtr.Zero, out closed), "GdipPathIterNextSubpathPath-iter");
 320                         closed = false;
 321                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextSubpathPath (iter, out result, IntPtr.Zero, out closed), "GdipPathIterNextSubpathPath-path");
 322                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextSubpathPath (iter, out result, path, out closed), "GdipPathIterNextSubpathPath");
 323
 324                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterNextSubpath (IntPtr.Zero, out result, out start, out end, out closed), "GdipPathIterNextSubpath-iter");
 325                         start = -1;
 326                         end = -1;
 327                         closed = false;
 328                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextSubpath (iter, out result, out start, out end, out closed), "GdipPathIterNextSubpath");
 329                         Assert.AreEqual (-1, start, "start-3");
 330                         Assert.AreEqual (-1, end, "end-3");
 331
 332                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipPathIterRewind (IntPtr.Zero), "GdipPathIterRewind-null");
 333                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterRewind (iter), "GdipPathIterRewind");
 334
 335                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDeletePathIter (IntPtr.Zero), "GdipDeletePathIter-null");
 336                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePathIter (iter), "GdipDeletePathIter");
 337                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePath (path), "GdipDeletePath");
 338                 }
 339
 340                 [Test]
 341                 public void GraphicsPathIterator_WithoutPath ()
 342                 {
 343                         // a path isn't required to create an iterator - ensure we never crash for any api
 344                         IntPtr iter;
 345                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePathIter (out iter, IntPtr.Zero), "GdipCreatePathIter-null");
 346
 347                         int count = -1;
 348                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterGetCount (iter, out count), "GdipPathIterGetCount");
 349                         Assert.AreEqual (0, count, "count-1");
 350
 351                         count = -1;
 352                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterGetSubpathCount (iter, out count), "GdipPathIterGetSubpathCount");
 353                         Assert.AreEqual (0, count, "count-2");
 354
 355                         bool curve;
 356                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterHasCurve (iter, out curve), "GdipPathIterHasCurve");
 357
 358                         int result = -1;
 359                         PointF[] points = new PointF[count];
 360                         byte[] types = new byte[count];
 361                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterEnumerate (iter, out result, points, types, count), "GdipPathIterEnumerate");
 362                         Assert.AreEqual (0, result, "result-1");
 363
 364                         result = -1;
 365                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterCopyData (iter, out result, points, types, 0, 0), "GdipPathIterCopyData");
 366                         Assert.AreEqual (0, result, "result-2");
 367
 368                         result = -1;
 369                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextMarkerPath (iter, out result, IntPtr.Zero), "GdipPathIterNextMarkerPath");
 370                         Assert.AreEqual (0, result, "result-3");
 371
 372                         result = -1;
 373                         int start = -1;
 374                         int end = -1;
 375                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextMarker (iter, out result, out start, out end), "GdipPathIterNextMarker");
 376                         Assert.AreEqual (0, result, "result-4");
 377                         Assert.AreEqual (-1, start, "start-1");
 378                         Assert.AreEqual (-1, end, "end-1");
 379
 380                         result = -1;
 381                         byte pathType = 255;
 382                         start = -1;
 383                         end = -1;
 384                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextPathType (iter, out result, out pathType, out start, out end), "GdipPathIterNextPathType");
 385                         Assert.AreEqual (0, result, "result-5");
 386                         Assert.AreEqual (255, pathType, "pathType");
 387                         Assert.AreEqual (-1, start, "start-2");
 388                         Assert.AreEqual (-1, end, "end-2");
 389
 390                         bool closed = false;
 391                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextSubpathPath (iter, out result, IntPtr.Zero, out closed), "GdipPathIterNextSubpathPath");
 392
 393                         start = -1;
 394                         end = -1;
 395                         closed = false;
 396                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterNextSubpath (iter, out result, out start, out end, out closed), "GdipPathIterNextSubpath");
 397                         Assert.AreEqual (-1, start, "start-3");
 398                         Assert.AreEqual (-1, end, "end-3");
 399
 400                         Assert.AreEqual (Status.Ok, GDIPlus.GdipPathIterRewind (iter), "GdipPathIterRewind");
 401
 402                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePathIter (iter), "GdipDeletePathIter");
 403                 }
 404
 405                 // Matrix
 406                 [Test]
 407                 public void Matrix ()
 408                 {
 409                         IntPtr matrix;
 410                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateMatrix (out matrix), "GdipCreateMatrix");
 411                         Assert.IsTrue (matrix != IntPtr.Zero, "Handle");
 412
 413                         bool result;
 414                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipIsMatrixIdentity (IntPtr.Zero, out result), "GdipIsMatrixIdentity-null");
 415                         Assert.AreEqual (Status.Ok, GDIPlus.GdipIsMatrixIdentity (matrix, out result), "GdipIsMatrixIdentity");
 416                         Assert.IsTrue (result, "identity");
 417
 418                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipIsMatrixInvertible (IntPtr.Zero, out result), "GdipIsMatrixInvertible-null");
 419                         Assert.AreEqual (Status.Ok, GDIPlus.GdipIsMatrixInvertible (matrix, out result), "GdipIsMatrixInvertible");
 420                         Assert.IsTrue (result, "invertible");
 421
 422                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipInvertMatrix (IntPtr.Zero), "GdipInvertMatrix-null");
 423                         Assert.AreEqual (Status.Ok, GDIPlus.GdipInvertMatrix (matrix), "GdipInvertMatrix");
 424
 425                         PointF[] points = new PointF[1];
 426                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipTransformMatrixPoints (IntPtr.Zero, points, 1), "GdipTransformMatrixPoints-null-points-1");
 427                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipTransformMatrixPoints (matrix, null, 1), "GdipTransformMatrixPoints-matrix-points-1");
 428                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipTransformMatrixPoints (matrix, points, 0), "GdipTransformMatrixPoints-matrix-points-0");
 429                         Assert.AreEqual (Status.Ok, GDIPlus.GdipTransformMatrixPoints (matrix, points, 1), "GdipTransformMatrixPoints");
 430
 431                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipVectorTransformMatrixPoints (IntPtr.Zero, points, 1), "GdipVectorTransformMatrixPoints-null-points-1");
 432                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipVectorTransformMatrixPoints (matrix, null, 1), "GdipVectorTransformMatrixPoints-matrix-points-1");
 433                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipVectorTransformMatrixPoints (matrix, points, 0), "GdipVectorTransformMatrixPoints-matrix-points-0");
 434                         Assert.AreEqual (Status.Ok, GDIPlus.GdipVectorTransformMatrixPoints (matrix, points, 1), "GdipVectorTransformMatrixPoints");
 435
 436                         IntPtr clone;
 437                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCloneMatrix (IntPtr.Zero, out clone), "GdipCloneMatrix");
 438                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCloneMatrix (matrix, out clone), "GdipCloneMatrix");
 439                         Assert.IsTrue (clone != IntPtr.Zero, "Handle-clone");
 440
 441                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipIsMatrixEqual (IntPtr.Zero, clone, out result), "GdipIsMatrixEqual-null-clone");
 442                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipIsMatrixEqual (matrix, IntPtr.Zero, out result), "GdipIsMatrixEqual-matrix-null");
 443                         Assert.AreEqual (Status.Ok, GDIPlus.GdipIsMatrixEqual (matrix, clone, out result), "GdipIsMatrixEqual-matrix-clone");
 444                         Assert.IsTrue (result, "equal");
 445
 446                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipMultiplyMatrix (IntPtr.Zero, clone, MatrixOrder.Append), "GdipMultiplyMatrix-null-clone-append");
 447                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipMultiplyMatrix (matrix, IntPtr.Zero, MatrixOrder.Prepend), "GdipMultiplyMatrix-matrix-null-prepend");
 448                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipMultiplyMatrix (matrix, clone, (MatrixOrder)Int32.MinValue), "GdipMultiplyMatrix-matrix-clone-invalid");
 449                         Assert.AreEqual (Status.Ok, GDIPlus.GdipMultiplyMatrix (matrix, clone, MatrixOrder.Append), "GdipMultiplyMatrix-matrix-clone-append");
 450
 451                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipTranslateMatrix (IntPtr.Zero, 1f, 2f, MatrixOrder.Append), "GdipTranslateMatrix-null-append");
 452                         Assert.AreEqual (Status.Ok, GDIPlus.GdipTranslateMatrix (matrix, Single.NaN, Single.NegativeInfinity, MatrixOrder.Prepend), "GdipTranslateMatrix-nan-append");
 453                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipTranslateMatrix (matrix, 1f, 2f, (MatrixOrder) Int32.MinValue), "GdipTranslateMatrix-matrix-invalid");
 454                         Assert.AreEqual (Status.Ok, GDIPlus.GdipTranslateMatrix (matrix, 1f, 2f, MatrixOrder.Append), "GdipTranslateMatrix-matrix-append");
 455
 456                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipScaleMatrix (IntPtr.Zero, 1f, 2f, MatrixOrder.Append), "GdipScaleMatrix-null-append");
 457                         Assert.AreEqual (Status.Ok, GDIPlus.GdipScaleMatrix (matrix, Single.NaN, Single.NegativeInfinity, MatrixOrder.Prepend), "GdipScaleMatrix-nan-append");
 458                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipScaleMatrix (matrix, 1f, 2f, (MatrixOrder) Int32.MinValue), "GdipScaleMatrix-matrix-invalid");
 459                         Assert.AreEqual (Status.Ok, GDIPlus.GdipScaleMatrix (matrix, 1f, 2f, MatrixOrder.Append), "GdipScaleMatrix-matrix-append");
 460
 461                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipShearMatrix (IntPtr.Zero, 1f, 2f, MatrixOrder.Append), "GdipShearMatrix-null-append");
 462                         Assert.AreEqual (Status.Ok, GDIPlus.GdipShearMatrix (matrix, Single.NaN, Single.NegativeInfinity, MatrixOrder.Prepend), "GdipShearMatrix-nan-append");
 463                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipShearMatrix (matrix, 1f, 2f, (MatrixOrder) Int32.MinValue), "GdipShearMatrix-matrix-invalid");
 464                         Assert.AreEqual (Status.Ok, GDIPlus.GdipShearMatrix (matrix, 1f, 2f, MatrixOrder.Append), "GdipShearMatrix-matrix-append");
 465
 466                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDeleteMatrix (IntPtr.Zero), "GdipDeleteMatrix-null");
 467                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteMatrix (matrix), "GdipDeleteMatrix");
 468                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteMatrix (clone), "GdipDeleteMatrix-clone");
 469                 }
 470
 471                 [Test]
 472                 public void Matrix2 ()
 473                 {
 474                         IntPtr matrix;
 475                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateMatrix2 (Single.MinValue, Single.MaxValue, Single.NegativeInfinity,
 476                                 Single.PositiveInfinity, Single.NaN, Single.Epsilon, out matrix), "GdipCreateMatrix2");
 477                         Assert.IsTrue (matrix != IntPtr.Zero, "Handle");
 478
 479                         // check data
 480                         float[] elements = new float[6];
 481                         IntPtr data = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (float)) * 6);
 482                         try {
 483                                 Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetMatrixElements (IntPtr.Zero, data), "GdipSetMatrixElements-null-matrix");
 484                                 Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetMatrixElements (matrix, IntPtr.Zero), "GdipSetMatrixElements-null-data");
 485                                 Assert.AreEqual (Status.Ok, GDIPlus.GdipGetMatrixElements (matrix, data), "GdipSetMatrixElements-null-matrix");
 486                                 Marshal.Copy (data, elements, 0, 6);
 487                                 Assert.AreEqual (Single.MinValue, elements [0], "0");
 488                                 Assert.AreEqual (Single.MaxValue, elements [1], "1");
 489                                 Assert.AreEqual (Single.NegativeInfinity, elements [2], "2");
 490                                 Assert.AreEqual (Single.PositiveInfinity, elements [3], "3");
 491                                 Assert.AreEqual (Single.NaN, elements [4], "4");
 492                                 Assert.AreEqual (Single.Epsilon, elements [5], "5");
 493                         }
 494                         finally {
 495                                 Marshal.FreeHGlobal (data);
 496                         }
 497
 498                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipSetMatrixElements (IntPtr.Zero, 0f, 0f, 0f, 0f, 0f, 0f), "GdipSetMatrixElements-null");
 499                         Assert.AreEqual (Status.Ok, GDIPlus.GdipSetMatrixElements (matrix, 0f, 0f, 0f, 0f, 0f, 0f), "GdipSetMatrixElements");
 500
 501                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteMatrix (matrix), "GdipDeleteMatrix");
 502                 }
 503
 504                 [Test]
 505                 public void Matrix3 ()
 506                 {
 507                         RectangleF rect = new RectangleF ();
 508                         IntPtr matrix;
 509                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCreateMatrix3 (ref rect, null, out matrix), "GdipCreateMatrix3-null");
 510
 511                         // provding less than 3 points would results in AccessViolationException under MS 2.0 but can't happen using the managed SD code
 512                         PointF[] points = new PointF[3];
 513                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateMatrix3 (ref rect, points, out matrix), "GdipCreateMatrix3-empty-rect");
 514                         rect = new RectangleF (10f, 20f, 0f, 40f);
 515                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateMatrix3 (ref rect, points, out matrix), "GdipCreateMatrix3-empty-width");
 516                         rect = new RectangleF (10f, 20f, 30f, 0f);
 517                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateMatrix3 (ref rect, points, out matrix), "GdipCreateMatrix3-empty-height");
 518
 519                         rect = new RectangleF (0f, 0f, 30f, 40f);
 520                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateMatrix3 (ref rect, points, out matrix), "GdipCreateMatrix3-3");
 521                         Assert.IsTrue (matrix != IntPtr.Zero, "Handle");
 522
 523                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteMatrix (matrix), "GdipDeleteMatrix");
 524                 }
 525
 526                 // Image
 527                 [Test]
 528                 public void DisposeImage ()
 529                 {
 530                         // invalid image pointer (null)
 531                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDisposeImage (IntPtr.Zero), "null");
 532
 533                         IntPtr image;
 534                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 535                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (image), "first");
 536                 }
 537
 538                 [Test]
 539                 [Category ("NotWorking")]
 540                 public void DisposeImage_Dual ()
 541                 {
 542                         IntPtr image;
 543                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 544                         // first dispose
 545                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (image), "first");
 546                         // second dispose
 547                         Assert.AreEqual (Status.ObjectBusy, GDIPlus.GdipDisposeImage (image), "second");
 548                 }
 549
 550                 [Test]
 551                 [Category ("NotWorking")] // libgdiplus doesn't implement GdipGetImageThumbnail (it is done inside S.D)
 552                 public void GetImageThumbnail ()
 553                 {
 554                         IntPtr ptr;
 555
 556                         // invalid image pointer (null)
 557                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetImageThumbnail (IntPtr.Zero, 10, 10, out ptr, IntPtr.Zero, IntPtr.Zero));
 558
 559                         IntPtr image;
 560                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 561                         try {
 562                                 // invalid width (0)
 563                                 Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipGetImageThumbnail (image, 0, 10, out ptr, IntPtr.Zero, IntPtr.Zero));
 564                                 // invalid width (negative)
 565                                 Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipGetImageThumbnail (image, 0x8000000, 10, out ptr, IntPtr.Zero, IntPtr.Zero));
 566                                 // invalid height (0)
 567                                 Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipGetImageThumbnail (image, 10, 0, out ptr, IntPtr.Zero, IntPtr.Zero));
 568                                 // invalid height (negative)
 569                                 Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipGetImageThumbnail (image, 10, 0x8000000, out ptr, IntPtr.Zero, IntPtr.Zero));
 570                         }
 571                         finally {
 572                                 GDIPlus.GdipDisposeImage (image);
 573                         }
 574                 }
 575
 576                 [Test]
 577                 public void Encoder ()
 578                 {
 579                         IntPtr image;
 580                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 581
 582                         Guid g = new Guid ();
 583                         uint size = UInt32.MaxValue;
 584                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetEncoderParameterListSize (IntPtr.Zero, ref g, out size), "GdipGetEncoderParameterListSize-null-guid-uint");
 585                         Assert.AreEqual (UInt32.MaxValue, size, "size-1");
 586                         // note: can't test a null Guid (it's a struct)
 587 #if false
 588                         Assert.AreEqual (Status. FileNotFound, GDIPlus.GdipGetEncoderParameterListSize (image, ref g, out size), "GdipGetEncoderParameterListSize-image-badguid-uint");
 589                         Assert.AreEqual (UInt32.MaxValue, size, "size-2");
 590
 591                         g = new Guid ("{B96B3CAE-0728-11D3-9D7B-0000F81EF32E}");
 592                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetEncoderParameterListSize (image, ref g, out size), "GdipGetEncoderParameterListSize-image-guid-uint");
 593                         Assert.AreEqual (UInt32.MaxValue, size, "size-3");
 594 #endif
 595                         GDIPlus.GdipDisposeImage (image);
 596                 }
 597
 598                 // ImageAttribute
 599                 [Test]
 600                 public void ImageAttribute ()
 601                 {
 602                         IntPtr attr;
 603                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateImageAttributes (out attr), "GdipCreateImageAttributes");
 604
 605                         IntPtr clone;
 606                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCloneImageAttributes (IntPtr.Zero, out clone), "GdipCloneImageAttributes");
 607                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCloneImageAttributes (attr, out clone), "GdipCloneImageAttributes");
 608
 609                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipSetImageAttributesColorMatrix (attr, ColorAdjustType.Default, true, IntPtr.Zero, IntPtr.Zero, ColorMatrixFlag.Default), "GdipSetImageAttributesColorMatrix-true-matrix1");
 610                         // the first color matrix can be null if enableFlag is false
 611                         Assert.AreEqual (Status.Ok, GDIPlus.GdipSetImageAttributesColorMatrix (attr, ColorAdjustType.Default, false, IntPtr.Zero, IntPtr.Zero, ColorMatrixFlag.Default), "GdipSetImageAttributesColorMatrix-false-matrix1");
 612                         ColorMatrix cm = new ColorMatrix ();
 613                         IntPtr color = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (ColorMatrix)));
 614                         try {
 615                                 Marshal.StructureToPtr (cm, color, false);
 616                                 Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipSetImageAttributesColorMatrix (IntPtr.Zero, ColorAdjustType.Default, true, color, IntPtr.Zero, ColorMatrixFlag.Default), "GdipSetImageAttributesColorMatrix-null");
 617                                 Assert.AreEqual (Status.Ok, GDIPlus.GdipSetImageAttributesColorMatrix (attr, ColorAdjustType.Default, true, color, IntPtr.Zero, ColorMatrixFlag.Default), "GdipCloneImageAttributes");
 618                         }
 619                         finally {
 620                                 Marshal.FreeHGlobal (color);
 621                         }
 622
 623                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDisposeImageAttributes (IntPtr.Zero), "GdipDisposeImageAttributes-null");
 624                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImageAttributes (attr), "GdipDisposeImageAttributes");
 625                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImageAttributes (clone), "GdipDisposeImageAttributes-clone");
 626                 }
 627
 628                 // PathGradientBrush
 629                 [Test]
 630                 public void CreatePathGradient ()
 631                 {
 632                         PointF[] points = null;
 633                         IntPtr brush;
 634                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreatePathGradient (points, 0, WrapMode.Clamp, out brush), "null");
 635
 636                         points = new PointF [0];
 637                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreatePathGradient (points, 0, WrapMode.Clamp, out brush), "empty");
 638
 639                         points = new PointF[1];
 640                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreatePathGradient (points, 1, WrapMode.Clamp, out brush), "one");
 641
 642                         points = null;
 643                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreatePathGradient (points, 2, WrapMode.Clamp, out brush), "null/two");
 644
 645                         points = new PointF[2] { new PointF (1, 2), new PointF (20, 30) };
 646                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePathGradient (points, 2, WrapMode.Clamp, out brush), "two");
 647                         Assert.IsTrue (brush != IntPtr.Zero, "Handle");
 648
 649                         int count;
 650                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPathGradientBlendCount (brush, out count), "GdipGetPathGradientBlendCount");
 651                         Assert.AreEqual (1, count, "blend count");
 652
 653                         int[] colors = new int[count];
 654                         float[] positions = new float[count];
 655                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathGradientPresetBlend (brush, colors, positions, count), "GdipGetPathGradientBlend");
 656                         // can't call that for 1 count!
 657
 658                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteBrush (brush), "GdipDeleteBrush");
 659                 }
 660
 661                 [Test]
 662                 public void CreatePathGradient_FromPath_Line ()
 663                 {
 664                         IntPtr path;
 665                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePath (FillMode.Alternate, out path), "GdipCreatePath");
 666
 667                         IntPtr brush;
 668                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreatePathGradientFromPath (IntPtr.Zero, out brush), "null");
 669                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreatePathGradientFromPath (path, out brush), "empty path");
 670
 671                         Assert.AreEqual (Status.Ok, GDIPlus.GdipAddPathLine (path, 1, 1, 10, 10), "GdipAddPathLine");
 672
 673                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePathGradientFromPath (path, out brush), "path");
 674                         Assert.IsTrue (brush != IntPtr.Zero, "Handle");
 675
 676                         int count;
 677                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPathGradientBlendCount (brush, out count), "GdipGetPathGradientBlendCount");
 678                         Assert.AreEqual (1, count, "blend count");
 679
 680                         int[] colors = new int[count];
 681                         float[] positions = new float[count];
 682                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathGradientPresetBlend (brush, colors, positions, count), "GdipGetPathGradientBlend");
 683
 684                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteBrush (brush), "GdipDeleteBrush");
 685                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePath (path), "GdipDeletePath");
 686                 }
 687
 688                 [Test]
 689                 public void CreatePathGradient_FromPath_Lines ()
 690                 {
 691                         IntPtr path;
 692                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePath (FillMode.Alternate, out path), "GdipCreatePath");
 693
 694                         PointF[] pts_2f = new PointF[2] { new PointF (2f, 4f), new PointF (10f, 30f) };
 695                         Assert.AreEqual (Status.Ok, GDIPlus.GdipAddPathLine2 (path, pts_2f, pts_2f.Length), "GdipAddPathLine2");
 696
 697                         IntPtr brush;
 698                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePathGradientFromPath (path, out brush), "path");
 699                         Assert.IsTrue (brush != IntPtr.Zero, "Handle");
 700
 701                         int count;
 702                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPathGradientBlendCount (brush, out count), "GdipGetPathGradientBlendCount");
 703                         Assert.AreEqual (1, count, "blend count");
 704
 705                         int[] colors = new int[count];
 706                         float[] positions = new float[count];
 707                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPathGradientPresetBlend (brush, colors, positions, count), "GdipGetPathGradientBlend");
 708
 709                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteBrush (brush), "GdipDeleteBrush");
 710                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePath (path), "GdipDeletePath");
 711                 }
 712
 713                 // Pen
 714                 [Test]
 715                 public void CreatePen ()
 716                 {
 717                         IntPtr pen;
 718                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreatePen1 (0, 0f, Unit.UnitWorld, out pen), "GdipCreatePen1");
 719                         Assert.IsTrue (pen != IntPtr.Zero, "pen");
 720
 721                         DashStyle ds;
 722                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPenDashStyle (pen, out ds), "GdipGetPenDashStyle");
 723                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPenDashStyle (IntPtr.Zero, out ds), "GdipGetPenDashStyle-null");
 724
 725                         ds = DashStyle.Custom;
 726                         Assert.AreEqual (Status.Ok, GDIPlus.GdipSetPenDashStyle (pen, ds), "GdipSetPenDashStyle");
 727                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipSetPenDashStyle (IntPtr.Zero, ds), "GdipSetPenDashStyle-null");
 728
 729                         int count;
 730                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetPenDashCount (pen, out count), "GdipGetPenDashCount");
 731                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPenDashCount (IntPtr.Zero, out count), "GdipGetPenDashCount-null");
 732                         Assert.AreEqual (0, count, "count");
 733
 734                         float[] dash = new float[count];
 735                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipGetPenDashArray (pen, dash, count), "GdipGetPenDashArray");
 736                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPenDashArray (IntPtr.Zero, dash, count), "GdipGetPenDashArray-null-pen");
 737                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetPenDashArray (pen, null, count), "GdipGetPenDashArray-null-dash");
 738
 739                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeletePen (pen), "GdipDeletePen");
 740                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipDeletePen (IntPtr.Zero), "GdipDeletePen-null");
 741                 }
 742
 743                 // Region
 744                 [Test]
 745                 public void CreateRegionRgnData ()
 746                 {
 747                         IntPtr region;
 748                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCreateRegionRgnData (null, 0, out region));
 749
 750                         byte[] data = new byte[0];
 751                         Assert.AreEqual (Status.GenericError, GDIPlus.GdipCreateRegionRgnData (data, 0, out region));
 752                 }
 753
 754                 [Test]
 755                 public void DrawingOperations ()
 756                 {
 757                         IntPtr graphics, image;
 758
 759                         IntPtr pen;
 760                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero,
 761                                                            out image);
 762
 763                         GDIPlus.GdipGetImageGraphicsContext (image, out graphics);
 764                         GDIPlus.GdipCreatePen1 (0, 0f, Unit.UnitWorld, out pen);
 765
 766                         // DrawCurve
 767
 768                         Assert.AreEqual (Status.InvalidParameter,
 769                                          GDIPlus.GdipDrawCurveI (IntPtr.Zero, IntPtr.Zero, null, 0));
 770
 771                         Assert.AreEqual (Status.InvalidParameter,
 772                                          GDIPlus.GdipDrawCurveI (graphics, pen, new Point [] {}, 0),
 773                                          "DrawCurve with no pts");
 774                         Assert.AreEqual (Status.InvalidParameter,
 775                                          GDIPlus.GdipDrawCurveI (graphics, pen,
 776                                                                  new Point [] { new Point (1, 1) }, 1),
 777                                          "DrawCurve with 1 pt");
 778                         Assert.AreEqual (Status.Ok,
 779                                          GDIPlus.GdipDrawCurveI (graphics, pen,
 780                                                                  new Point [] { new Point (1, 1),
 781                                                                                 new Point (2, 2) }, 2),
 782                                          "DrawCurve with 2 pts");
 783
 784                         // DrawClosedCurve
 785
 786                         Assert.AreEqual (Status.InvalidParameter,
 787                                          GDIPlus.GdipDrawClosedCurveI (graphics, pen, new Point [] {}, 0),
 788                                          "DrawClosedCurve with no pts");
 789                         Assert.AreEqual (Status.InvalidParameter,
 790                                          GDIPlus.GdipDrawClosedCurveI (graphics, pen,
 791                                                                        new Point [] { new Point (1, 1) }, 1),
 792                                          "DrawClosedCurve with 1 pt");
 793                         Assert.AreEqual (Status.InvalidParameter,
 794                                          GDIPlus.GdipDrawClosedCurveI (graphics, pen,
 795                                                                        new Point [] { new Point (1, 1),
 796                                                                                       new Point (2, 2) }, 2),
 797                                          "DrawClosedCurve with 2 pt2");
 798
 799                         // DrawPolygon
 800
 801                         Assert.AreEqual (Status.InvalidParameter,
 802                                          GDIPlus.GdipDrawPolygonI (graphics, pen, new Point [] {}, 0),
 803                                          "DrawPolygon with no pts");
 804                         Assert.AreEqual (Status.InvalidParameter,
 805                                          GDIPlus.GdipDrawPolygonI (graphics, pen,
 806                                                                    new Point [] { new Point (1, 1) }, 1),
 807                                          "DrawPolygon with only one pt");
 808
 809                         GDIPlus.GdipDeletePen (pen);
 810
 811                         // FillClosedCurve
 812
 813                         IntPtr brush;
 814                         GDIPlus.GdipCreateSolidFill (0, out brush);
 815
 816
 817                         Assert.AreEqual (Status.InvalidParameter,
 818                                          GDIPlus.GdipFillClosedCurveI (graphics, brush, new Point [] {}, 0),
 819                                          "FillClosedCurve with no pts");
 820                         Assert.AreEqual (Status.Ok,
 821                                          GDIPlus.GdipFillClosedCurveI (graphics, brush,
 822                                                                        new Point [] { new Point (1, 1) }, 1),
 823                                          "FillClosedCurve with 1 pt");
 824                         Assert.AreEqual (Status.Ok,
 825                                          GDIPlus.GdipFillClosedCurveI (graphics, brush,
 826                                                                        new Point [] { new Point (1, 1),
 827                                                                                       new Point (2, 2) }, 2),
 828                                          "FillClosedCurve with 2 pts");
 829
 830                         GDIPlus.GdipDeleteBrush (brush);
 831
 832                         GDIPlus.GdipDeleteGraphics (graphics);
 833                         GDIPlus.GdipDisposeImage (image);
 834                 }
 835
 836                 // TextureBrush
 837                 [Test]
 838                 public void Texture ()
 839                 {
 840                         IntPtr image;
 841                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 842
 843                         IntPtr brush;
 844                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCreateTexture (IntPtr.Zero, WrapMode.Tile, out brush), "GdipCreateTexture-image");
 845                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTexture (image, (WrapMode)Int32.MinValue, out brush), "GdipCreateTexture-wrapmode");
 846                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateTexture (image, WrapMode.Tile, out brush), "GdipCreateTexture");
 847
 848                         IntPtr image2;
 849 // this would throw an AccessViolationException under MS 2.0 (missing null check?)
 850 //                      Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetTextureImage (IntPtr.Zero, out image2), "GdipGetTextureImage-brush");
 851                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetTextureImage (brush, out image2), "GdipGetTextureImage");
 852                         Assert.IsFalse (image == image2, "image");
 853
 854                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteBrush (brush), "GdipDeleteBrush");
 855                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (image), "GdipDisposeImage");
 856                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (image2), "GdipDisposeImage-image2");
 857                 }
 858
 859                 [Test]
 860                 public void Texture2 ()
 861                 {
 862                         IntPtr image;
 863                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 864
 865                         IntPtr brush;
 866                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCreateTexture2 (IntPtr.Zero, WrapMode.Tile, 0, 0, 10, 10, out brush), "GdipCreateTexture2-image");
 867                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCreateTexture2 (IntPtr.Zero, (WrapMode) Int32.MinValue, 0, 0, 10, 10, out brush), "GdipCreateTexture2-wrapmode");
 868                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTexture2 (image, WrapMode.Tile, 0, 0, 0, 10, out brush), "GdipCreateTexture2-width");
 869                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTexture2 (image, WrapMode.Tile, 0, 0, 10, 0, out brush), "GdipCreateTexture2-height");
 870                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateTexture2 (image, WrapMode.Tile, 0, 0, 10, 10, out brush), "GdipCreateTexture2");
 871
 872                         WrapMode wm;
 873                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetTextureWrapMode (IntPtr.Zero, out wm), "GdipGetTextureWrapMode-brush");
 874                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetTextureWrapMode (brush, out wm), "GdipGetTextureWrapMode");
 875                         Assert.AreEqual (WrapMode.Tile, wm, "WrapMode");
 876
 877                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipSetTextureWrapMode (IntPtr.Zero, WrapMode.Clamp), "GdipSetTextureWrapMode-brush");
 878                         Assert.AreEqual (Status.Ok, GDIPlus.GdipSetTextureWrapMode (brush, WrapMode.Clamp), "GdipSetTextureWrapMode");
 879                         GDIPlus.GdipGetTextureWrapMode (brush, out wm);
 880                         Assert.AreEqual (WrapMode.Clamp, wm, "WrapMode.Clamp");
 881
 882                         // an invalid WrapMode is ignored
 883                         Assert.AreEqual (Status.Ok, GDIPlus.GdipSetTextureWrapMode (brush, (WrapMode) Int32.MinValue), "GdipSetTextureWrapMode-wrapmode");
 884                         GDIPlus.GdipGetTextureWrapMode (brush, out wm);
 885                         Assert.AreEqual (WrapMode.Clamp, wm, "WrapMode/Invalid");
 886
 887                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteBrush (brush), "GdipDeleteBrush");
 888                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (image), "GdipDisposeImage");
 889                 }
 890
 891                 [Test]
 892                 public void TextureIA ()
 893                 {
 894                         IntPtr image;
 895                         GDIPlus.GdipCreateBitmapFromScan0 (10, 10, 0, PixelFormat.Format32bppArgb, IntPtr.Zero, out image);
 896
 897                         IntPtr brush;
 898                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipCreateTextureIA (IntPtr.Zero, IntPtr.Zero, 0, 0, 10, 10, out brush), "GdipCreateTexture2-image");
 899                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTextureIA (image, IntPtr.Zero, 0, 0, 0, 10, out brush), "GdipCreateTexture2-width");
 900                         Assert.AreEqual (Status.OutOfMemory, GDIPlus.GdipCreateTextureIA (image, IntPtr.Zero, 0, 0, 10, 0, out brush), "GdipCreateTexture2-height");
 901                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateTextureIA (image, IntPtr.Zero, 0, 0, 10, 10, out brush), "GdipCreateTexture2");
 902
 903                         // TODO - handle ImageAttribute in the tests
 904
 905                         IntPtr matrix;
 906                         Assert.AreEqual (Status.Ok, GDIPlus.GdipCreateMatrix (out matrix), "GdipCreateMatrix");
 907
 908                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetTextureTransform (IntPtr.Zero, matrix), "GdipGetTextureTransform-brush");
 909                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipGetTextureTransform (brush, IntPtr.Zero), "GdipGetTextureTransform-matrix");
 910                         Assert.AreEqual (Status.Ok, GDIPlus.GdipGetTextureTransform (brush, matrix), "GdipGetTextureTransform");
 911
 912                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipSetTextureTransform (IntPtr.Zero, matrix), "GdipSetTextureTransform-brush");
 913                         Assert.AreEqual (Status.InvalidParameter, GDIPlus.GdipSetTextureTransform (brush, IntPtr.Zero), "GdipSetTextureTransform-matrix");
 914                         Assert.AreEqual (Status.Ok, GDIPlus.GdipSetTextureTransform (brush, matrix), "GdipSetTextureTransform");
 915
 916                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteMatrix (matrix), "GdipDeleteMatrix");
 917                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDeleteBrush (brush), "GdipDeleteBrush");
 918                         Assert.AreEqual (Status.Ok, GDIPlus.GdipDisposeImage (image), "GdipDisposeImage");
 919                 }
 920         }
 921 }