2 // System.Drawing.gdipFunctions.cs
5 // Alexandre Pigolkine (pigolkine@gmx.de)
6 // Jordi Mas i Hernandez (jordi@ximian.com)
7 // Sanjay Gupta (gsanjay@novell.com)
8 // Ravindra (rkumar@novell.com)
10 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
12 // Permission is hereby granted, free of charge, to any person obtaining
13 // a copy of this software and associated documentation files (the
14 // "Software"), to deal in the Software without restriction, including
15 // without limitation the rights to use, copy, modify, merge, publish,
16 // distribute, sublicense, and/or sell copies of the Software, and to
17 // permit persons to whom the Software is furnished to do so, subject to
18 // the following conditions:
20 // The above copyright notice and this permission notice shall be
21 // included in all copies or substantial portions of the Software.
23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 using System.Runtime.InteropServices;
36 using System.Drawing.Drawing2D;
37 using System.Drawing.Imaging;
38 using System.Drawing.Text;
39 using System.Security;
41 using System.Runtime.InteropServices.ComTypes;
43 using IStream = System.Runtime.InteropServices.UCOMIStream;
46 namespace System.Drawing
49 /// GDI+ API Functions
51 [SuppressUnmanagedCodeSecurity]
52 internal class GDIPlus
54 public const int FACESIZE = 32;
55 public const int LANG_NEUTRAL = 0;
56 public static IntPtr Display = IntPtr.Zero;
57 public static bool UseX11Drawable;
58 public static bool UseQuartzDrawable = (Environment.GetEnvironmentVariable ("MONO_MWF_USE_QUARTZ_BACKEND") != null);
59 public static bool UseCocoaDrawable = (Environment.GetEnvironmentVariable ("MONO_GDIP_USE_COCOA_BACKEND") != null);
61 #region gdiplus.dll functions
64 [DllImport("gdiplus.dll")]
65 static internal extern Status GdiplusStartup(ref ulong token, ref GdiplusStartupInput input, ref GdiplusStartupOutput output);
66 [DllImport("gdiplus.dll")]
67 static internal extern void GdiplusShutdown(ref ulong token);
69 static ulong GdiPlusToken;
71 static void ProcessExit (object sender, EventArgs e)
73 // Called all pending objects and claim any pending handle before
76 GC.WaitForPendingFinalizers ();
77 // This causes crashes in MS GDI+ because this call occurs before
78 // all managed GDI objects are finalized. When they are finalized they call
79 // into a shutdown GDI+ and we crash.
80 //GdiplusShutdown (ref GdiPlusToken);
82 if (UseX11Drawable && Display != IntPtr.Zero) {
83 XCloseDisplay (Display);
90 // check for Unix platforms - see FAQ for more details
91 // http://www.mono-project.com/FAQ:_Technical#How_to_detect_the_execution_platform_.3F
92 int platform = (int) Environment.OSVersion.Platform;
93 UseX11Drawable = ((platform == 4) || (platform == 128));
95 GdiplusStartupInput input = GdiplusStartupInput.MakeGdiplusStartupInput();
96 GdiplusStartupOutput output = GdiplusStartupOutput.MakeGdiplusStartupOutput();
97 GdiplusStartup (ref GdiPlusToken, ref input, ref output);
98 AppDomain.CurrentDomain.ProcessExit += new EventHandler (ProcessExit);
101 // Copies a Ptr to an array of Points and releases the memory
102 static public void FromUnManagedMemoryToPointI(IntPtr prt, Point [] pts)
104 int nPointSize = Marshal.SizeOf(pts[0]);
106 for (int i=0; i<pts.Length; i++, pos = new IntPtr (pos.ToInt64 () + nPointSize))
107 pts[i] = (Point) Marshal.PtrToStructure(pos, typeof(Point));
109 Marshal.FreeHGlobal(prt);
112 // Copies a Ptr to an array of Points and releases the memory
113 static public void FromUnManagedMemoryToPoint (IntPtr prt, PointF [] pts)
115 int nPointSize = Marshal.SizeOf(pts[0]);
117 for (int i=0; i<pts.Length; i++, pos = new IntPtr (pos.ToInt64 () + nPointSize))
118 pts[i] = (PointF) Marshal.PtrToStructure(pos, typeof(Point));
120 Marshal.FreeHGlobal(prt);
123 // Copies an array of Points to unmanaged memory
124 static public IntPtr FromPointToUnManagedMemoryI(Point [] pts)
126 int nPointSize = Marshal.SizeOf(pts[0]);
127 IntPtr dest = Marshal.AllocHGlobal(nPointSize* pts.Length);
129 for (int i=0; i<pts.Length; i++, pos = new IntPtr (pos.ToInt64 () + nPointSize))
130 Marshal.StructureToPtr(pts[i], pos, false);
135 // Copies a Ptr to an array of v and releases the memory
136 static public void FromUnManagedMemoryToRectangles (IntPtr prt, RectangleF [] pts)
138 int nPointSize = Marshal.SizeOf (pts[0]);
140 for (int i = 0; i < pts.Length; i++, pos = new IntPtr (pos.ToInt64 () + nPointSize))
141 pts[i] = (RectangleF) Marshal.PtrToStructure(pos, typeof(RectangleF));
143 Marshal.FreeHGlobal(prt);
146 // Copies an array of Points to unmanaged memory
147 static public IntPtr FromPointToUnManagedMemory(PointF [] pts)
149 int nPointSize = Marshal.SizeOf(pts[0]);
150 IntPtr dest = Marshal.AllocHGlobal(nPointSize* pts.Length);
152 for (int i=0; i<pts.Length; i++, pos = new IntPtr (pos.ToInt64 () + nPointSize))
153 Marshal.StructureToPtr(pts[i], pos, false);
158 // Converts a status into exception
159 static internal void CheckStatus (Status status)
166 // TODO: Add more status code mappings here
168 case Status.GenericError:
169 throw new Exception ("Generic Error.");
171 case Status.InvalidParameter:
172 throw new ArgumentException ("Invalid Parameter. A null reference or invalid value was found.");
174 case Status.OutOfMemory:
175 throw new OutOfMemoryException ("Out of memory.");
177 case Status.ObjectBusy:
178 throw new MemberAccessException ("Object busy.");
180 case Status.InsufficientBuffer:
181 throw new IO.InternalBufferOverflowException ("Insufficient buffer.");
183 case Status.PropertyNotSupported:
184 throw new NotSupportedException ("Property not supported.");
186 case Status.FileNotFound:
187 throw new IO.FileNotFoundException ("File not found.");
189 case Status.AccessDenied:
190 throw new UnauthorizedAccessException ("Access denied.");
192 case Status.UnknownImageFormat:
193 throw new NotSupportedException ("Either image format is unknown or you don't have the required libraries for this format.");
195 case Status.NotImplemented:
196 throw new NotImplementedException ("Feature not implemented.");
198 case Status.WrongState:
199 throw new ArgumentException ("Properties not set properly.");
202 throw new Exception ("Unknown Error.");
208 [DllImport("gdiplus.dll")]
209 static internal extern IntPtr GdipAlloc (int size);
210 [DllImport("gdiplus.dll")]
211 static internal extern void GdipFree (IntPtr ptr);
215 [DllImport("gdiplus.dll")]
216 static internal extern Status GdipCloneBrush (IntPtr brush, out IntPtr clonedBrush);
217 [DllImport("gdiplus.dll")]
218 static internal extern Status GdipDeleteBrush (IntPtr brush);
219 [DllImport("gdiplus.dll")]
220 static internal extern Status GdipGetBrushType (IntPtr brush, out BrushType type);
224 [DllImport("gdiplus.dll")]
225 static internal extern Status GdipCreateRegion (out IntPtr region);
227 [DllImport("gdiplus.dll")]
228 static internal extern Status GdipCreateRegionRgnData (byte[] data, int size, out IntPtr region);
230 [DllImport("gdiplus.dll")]
231 static internal extern Status GdipDeleteRegion (IntPtr region);
233 [DllImport("gdiplus.dll")]
234 static internal extern Status GdipCloneRegion (IntPtr region, out IntPtr cloned);
236 [DllImport("gdiplus.dll")]
237 static internal extern Status GdipCreateRegionRect (ref RectangleF rect, out IntPtr region);
239 [DllImport("gdiplus.dll")]
240 static internal extern Status GdipCreateRegionRectI (ref Rectangle rect, out IntPtr region);
242 [DllImport("gdiplus.dll")]
243 static internal extern Status GdipCreateRegionPath (IntPtr path, out IntPtr region);
245 [DllImport("gdiplus.dll")]
246 static internal extern Status GdipTranslateRegion (IntPtr region, float dx, float dy);
248 [DllImport("gdiplus.dll")]
249 static internal extern Status GdipTranslateRegionI (IntPtr region, int dx, int dy);
251 [DllImport("gdiplus.dll")]
252 static internal extern Status GdipIsVisibleRegionPoint (IntPtr region, float x, float y,
253 IntPtr graphics, out bool result);
255 [DllImport("gdiplus.dll")]
256 static internal extern Status GdipIsVisibleRegionPointI (IntPtr region, int x, int y,
257 IntPtr graphics, out bool result);
259 [DllImport("gdiplus.dll")]
260 static internal extern Status GdipIsVisibleRegionRect (IntPtr region, float x, float y, float width,
261 float height, IntPtr graphics, out bool result);
263 [DllImport("gdiplus.dll")]
264 static internal extern Status GdipIsVisibleRegionRectI (IntPtr region, int x, int y, int width,
265 int height, IntPtr graphics, out bool result);
268 [DllImport("gdiplus.dll")]
269 static internal extern Status GdipCombineRegionRect (IntPtr region, ref RectangleF rect,
270 CombineMode combineMode);
272 [DllImport("gdiplus.dll")]
273 static internal extern Status GdipCombineRegionRectI (IntPtr region, ref Rectangle rect,
274 CombineMode combineMode);
276 [DllImport("gdiplus.dll")]
277 static internal extern Status GdipCombineRegionPath (IntPtr region, IntPtr path, CombineMode combineMode);
279 [DllImport("gdiplus.dll")]
280 static internal extern Status GdipGetRegionBounds (IntPtr region, IntPtr graphics, ref RectangleF rect);
282 [DllImport("gdiplus.dll")]
283 static internal extern Status GdipSetInfinite (IntPtr region);
285 [DllImport("gdiplus.dll")]
286 static internal extern Status GdipSetEmpty (IntPtr region);
288 [DllImport("gdiplus.dll")]
289 static internal extern Status GdipIsEmptyRegion (IntPtr region, IntPtr graphics, out bool result);
291 [DllImport("gdiplus.dll")]
292 static internal extern Status GdipIsInfiniteRegion (IntPtr region, IntPtr graphics, out bool result);
294 [DllImport("gdiplus.dll")]
295 static internal extern Status GdipCombineRegionRegion (IntPtr region, IntPtr region2,
296 CombineMode combineMode);
298 [DllImport("gdiplus.dll")]
299 static internal extern Status GdipIsEqualRegion (IntPtr region, IntPtr region2,
300 IntPtr graphics, out bool result);
302 [DllImport("gdiplus.dll")]
303 static internal extern Status GdipGetRegionDataSize (IntPtr region, out int bufferSize);
305 [DllImport("gdiplus.dll")]
306 static internal extern Status GdipGetRegionData (IntPtr region, byte[] buffer, int bufferSize,
309 [DllImport("gdiplus.dll")]
310 static internal extern Status GdipGetRegionScansCount (IntPtr region, out int count, IntPtr matrix);
312 [DllImport("gdiplus.dll")]
313 static internal extern Status GdipGetRegionScans (IntPtr region, IntPtr rects, out int count,
316 [DllImport("gdiplus.dll")]
317 static internal extern Status GdipTransformRegion(IntPtr region, IntPtr matrix);
319 [DllImport("gdiplus.dll")]
320 static internal extern Status GdipFillRegion(IntPtr graphics, IntPtr brush, IntPtr region);
322 // Solid brush functions
323 [DllImport("gdiplus.dll")]
324 static internal extern Status GdipCreateSolidFill (int color, out IntPtr brush);
325 [DllImport("gdiplus.dll")]
326 static internal extern Status GdipGetSolidFillColor (IntPtr brush, out int color);
327 [DllImport("gdiplus.dll")]
328 static internal extern Status GdipSetSolidFillColor (IntPtr brush, int color);
330 // Hatch Brush functions
331 [DllImport("gdiplus.dll")]
332 static internal extern Status GdipCreateHatchBrush (HatchStyle hatchstyle, int foreColor, int backColor, out IntPtr brush);
333 [DllImport("gdiplus.dll")]
334 static internal extern Status GdipGetHatchStyle (IntPtr brush, out HatchStyle hatchstyle);
335 [DllImport("gdiplus.dll")]
336 static internal extern Status GdipGetHatchForegroundColor (IntPtr brush, out int foreColor);
337 [DllImport("gdiplus.dll")]
338 static internal extern Status GdipGetHatchBackgroundColor (IntPtr brush, out int backColor);
340 // Texture brush functions
341 [DllImport("gdiplus.dll")]
342 static internal extern Status GdipGetTextureImage (IntPtr texture, out IntPtr image);
343 [DllImport("gdiplus.dll")]
344 static internal extern Status GdipCreateTexture (IntPtr image, WrapMode wrapMode, out IntPtr texture);
345 [DllImport("gdiplus.dll")]
346 static internal extern Status GdipCreateTextureIAI (IntPtr image, IntPtr imageAttributes, int x, int y, int width, int height, out IntPtr texture);
347 [DllImport("gdiplus.dll")]
348 static internal extern Status GdipCreateTextureIA (IntPtr image, IntPtr imageAttributes, float x, float y, float width, float height, out IntPtr texture);
349 [DllImport("gdiplus.dll")]
350 static internal extern Status GdipCreateTexture2I (IntPtr image, WrapMode wrapMode, int x, int y, int width, int height, out IntPtr texture);
351 [DllImport("gdiplus.dll")]
352 static internal extern Status GdipCreateTexture2 (IntPtr image, WrapMode wrapMode, float x, float y, float width, float height, out IntPtr texture);
353 [DllImport("gdiplus.dll")]
354 static internal extern Status GdipGetTextureTransform (IntPtr texture, IntPtr matrix);
355 [DllImport("gdiplus.dll")]
356 static internal extern Status GdipSetTextureTransform (IntPtr texture, IntPtr matrix);
357 [DllImport("gdiplus.dll")]
358 static internal extern Status GdipGetTextureWrapMode (IntPtr texture, out WrapMode wrapMode);
359 [DllImport("gdiplus.dll")]
360 static internal extern Status GdipSetTextureWrapMode (IntPtr texture, WrapMode wrapMode);
361 [DllImport("gdiplus.dll")]
362 static internal extern Status GdipMultiplyTextureTransform (IntPtr texture, IntPtr matrix, MatrixOrder order);
363 [DllImport("gdiplus.dll")]
364 static internal extern Status GdipResetTextureTransform (IntPtr texture);
365 [DllImport("gdiplus.dll")]
366 static internal extern Status GdipRotateTextureTransform (IntPtr texture, float angle, MatrixOrder order);
367 [DllImport("gdiplus.dll")]
368 static internal extern Status GdipScaleTextureTransform (IntPtr texture, float sx, float sy, MatrixOrder order);
369 [DllImport("gdiplus.dll")]
370 static internal extern Status GdipTranslateTextureTransform (IntPtr texture, float dx, float dy, MatrixOrder order);
372 // PathGradientBrush functions
373 [DllImport("gdiplus.dll")]
374 static internal extern Status GdipCreatePathGradientFromPath (IntPtr path, out IntPtr brush);
375 [DllImport("gdiplus.dll")]
376 static internal extern Status GdipCreatePathGradientI (Point [] points, int count, WrapMode wrapMode, out IntPtr brush);
377 [DllImport("gdiplus.dll")]
378 static internal extern Status GdipCreatePathGradient (PointF [] points, int count, WrapMode wrapMode, out IntPtr brush);
379 [DllImport("gdiplus.dll")]
380 static internal extern Status GdipGetPathGradientBlendCount (IntPtr brush, out int count);
381 [DllImport("gdiplus.dll")]
382 static internal extern Status GdipGetPathGradientBlend (IntPtr brush, float [] blend, float [] positions, int count);
383 [DllImport("gdiplus.dll")]
384 static internal extern Status GdipSetPathGradientBlend (IntPtr brush, float [] blend, float [] positions, int count);
385 [DllImport("gdiplus.dll")]
386 static internal extern Status GdipGetPathGradientCenterColor (IntPtr brush, out int color);
387 [DllImport("gdiplus.dll")]
388 static internal extern Status GdipSetPathGradientCenterColor (IntPtr brush, int color);
389 [DllImport("gdiplus.dll")]
390 static internal extern Status GdipGetPathGradientCenterPoint (IntPtr brush, out PointF point);
391 [DllImport("gdiplus.dll")]
392 static internal extern Status GdipSetPathGradientCenterPoint (IntPtr brush, ref PointF point);
393 [DllImport("gdiplus.dll")]
394 static internal extern Status GdipGetPathGradientFocusScales (IntPtr brush, out float xScale, out float yScale);
395 [DllImport("gdiplus.dll")]
396 static internal extern Status GdipSetPathGradientFocusScales (IntPtr brush, float xScale, float yScale);
397 [DllImport("gdiplus.dll")]
398 static internal extern Status GdipGetPathGradientPresetBlendCount (IntPtr brush, out int count);
399 [DllImport("gdiplus.dll")]
400 static internal extern Status GdipGetPathGradientPresetBlend (IntPtr brush, int [] blend, float [] positions, int count);
401 [DllImport("gdiplus.dll")]
402 static internal extern Status GdipSetPathGradientPresetBlend (IntPtr brush, int [] blend, float [] positions, int count);
403 [DllImport("gdiplus.dll")]
404 static internal extern Status GdipGetPathGradientRect (IntPtr brush, out RectangleF rect);
405 [DllImport("gdiplus.dll")]
406 static internal extern Status GdipGetPathGradientSurroundColorCount (IntPtr brush, out int count);
407 [DllImport("gdiplus.dll")]
408 static internal extern Status GdipGetPathGradientSurroundColorsWithCount (IntPtr brush, int [] color, ref int count);
409 [DllImport("gdiplus.dll")]
410 static internal extern Status GdipSetPathGradientSurroundColorsWithCount (IntPtr brush, int [] color, ref int count);
411 [DllImport("gdiplus.dll")]
412 static internal extern Status GdipGetPathGradientTransform (IntPtr brush, IntPtr matrix);
413 [DllImport("gdiplus.dll")]
414 static internal extern Status GdipSetPathGradientTransform (IntPtr brush, IntPtr matrix);
415 [DllImport("gdiplus.dll")]
416 static internal extern Status GdipGetPathGradientWrapMode (IntPtr brush, out WrapMode wrapMode);
417 [DllImport("gdiplus.dll")]
418 static internal extern Status GdipSetPathGradientWrapMode (IntPtr brush, WrapMode wrapMode);
419 [DllImport("gdiplus.dll")]
420 static internal extern Status GdipSetPathGradientLinearBlend (IntPtr brush, float focus, float scale);
421 [DllImport("gdiplus.dll")]
422 static internal extern Status GdipSetPathGradientSigmaBlend (IntPtr brush, float focus, float scale);
423 [DllImport("gdiplus.dll")]
424 static internal extern Status GdipMultiplyPathGradientTransform (IntPtr texture, IntPtr matrix, MatrixOrder order);
425 [DllImport("gdiplus.dll")]
426 static internal extern Status GdipResetPathGradientTransform (IntPtr brush);
427 [DllImport("gdiplus.dll")]
428 static internal extern Status GdipRotatePathGradientTransform (IntPtr brush, float angle, MatrixOrder order);
429 [DllImport("gdiplus.dll")]
430 static internal extern Status GdipScalePathGradientTransform (IntPtr brush, float sx, float sy, MatrixOrder order);
431 [DllImport("gdiplus.dll")]
432 static internal extern Status GdipTranslatePathGradientTransform (IntPtr brush, float dx, float dy, MatrixOrder order);
434 // LinearGradientBrush functions
435 [DllImport("gdiplus.dll")]
436 static internal extern Status GdipCreateLineBrushI (ref Point point1, ref Point point2, int color1, int color2, WrapMode wrapMode, out IntPtr brush);
437 [DllImport("gdiplus.dll")]
438 static internal extern Status GdipCreateLineBrush (ref PointF point1, ref PointF point2, int color1, int color2, WrapMode wrapMode, out IntPtr brush);
439 [DllImport("gdiplus.dll")]
440 static internal extern Status GdipCreateLineBrushFromRectI (ref Rectangle rect, int color1, int color2, LinearGradientMode linearGradientMode, WrapMode wrapMode, out IntPtr brush);
441 [DllImport("gdiplus.dll")]
442 static internal extern Status GdipCreateLineBrushFromRect (ref RectangleF rect, int color1, int color2, LinearGradientMode linearGradientMode, WrapMode wrapMode, out IntPtr brush);
443 [DllImport("gdiplus.dll")]
444 static internal extern Status GdipCreateLineBrushFromRectWithAngleI (ref Rectangle rect, int color1, int color2, float angle, bool isAngleScaleable, WrapMode wrapMode, out IntPtr brush);
445 [DllImport("gdiplus.dll")]
446 static internal extern Status GdipCreateLineBrushFromRectWithAngle (ref RectangleF rect, int color1, int color2, float angle, bool isAngleScaleable, WrapMode wrapMode, out IntPtr brush);
447 [DllImport("gdiplus.dll")]
448 static internal extern Status GdipGetLineBlendCount (IntPtr brush, out int count);
449 [DllImport("gdiplus.dll")]
450 static internal extern Status GdipSetLineBlend (IntPtr brush, float [] blend, float [] positions, int count);
451 [DllImport("gdiplus.dll")]
452 static internal extern Status GdipGetLineBlend (IntPtr brush, float [] blend, float [] positions, int count);
453 [DllImport("gdiplus.dll")]
454 static internal extern Status GdipSetLineGammaCorrection (IntPtr brush, bool useGammaCorrection);
455 [DllImport("gdiplus.dll")]
456 static internal extern Status GdipGetLineGammaCorrection (IntPtr brush, out bool useGammaCorrection);
457 [DllImport("gdiplus.dll")]
458 static internal extern Status GdipGetLinePresetBlendCount (IntPtr brush, out int count);
459 [DllImport("gdiplus.dll")]
460 static internal extern Status GdipSetLinePresetBlend (IntPtr brush, int [] blend, float [] positions, int count);
461 [DllImport("gdiplus.dll")]
462 static internal extern Status GdipGetLinePresetBlend (IntPtr brush, int [] blend, float [] positions, int count);
463 [DllImport("gdiplus.dll")]
464 static internal extern Status GdipSetLineColors (IntPtr brush, int color1, int color2);
465 [DllImport("gdiplus.dll")]
466 static internal extern Status GdipGetLineColors (IntPtr brush, int [] colors);
467 [DllImport("gdiplus.dll")]
468 static internal extern Status GdipGetLineRectI (IntPtr brush, out Rectangle rect);
469 [DllImport("gdiplus.dll")]
470 static internal extern Status GdipGetLineRect (IntPtr brush, out RectangleF rect);
471 [DllImport("gdiplus.dll")]
472 static internal extern Status GdipSetLineTransform (IntPtr brush, IntPtr matrix);
473 [DllImport("gdiplus.dll")]
474 static internal extern Status GdipGetLineTransform (IntPtr brush, IntPtr matrix);
475 [DllImport("gdiplus.dll")]
476 static internal extern Status GdipSetLineWrapMode (IntPtr brush, WrapMode wrapMode);
477 [DllImport("gdiplus.dll")]
478 static internal extern Status GdipGetLineWrapMode (IntPtr brush, out WrapMode wrapMode);
479 [DllImport("gdiplus.dll")]
480 static internal extern Status GdipSetLineLinearBlend (IntPtr brush, float focus, float scale);
481 [DllImport("gdiplus.dll")]
482 static internal extern Status GdipSetLineSigmaBlend (IntPtr brush, float focus, float scale);
483 [DllImport("gdiplus.dll")]
484 static internal extern Status GdipMultiplyLineTransform (IntPtr brush, IntPtr matrix, MatrixOrder order);
485 [DllImport("gdiplus.dll")]
486 static internal extern Status GdipResetLineTransform (IntPtr brush);
487 [DllImport("gdiplus.dll")]
488 static internal extern Status GdipRotateLineTransform (IntPtr brush, float angle, MatrixOrder order);
489 [DllImport("gdiplus.dll")]
490 static internal extern Status GdipScaleLineTransform (IntPtr brush, float sx, float sy, MatrixOrder order);
491 [DllImport("gdiplus.dll")]
492 static internal extern Status GdipTranslateLineTransform (IntPtr brush, float dx, float dy, MatrixOrder order);
494 // Graphics functions
495 [DllImport("gdiplus.dll")]
496 static internal extern Status GdipCreateFromHDC(IntPtr hDC, out IntPtr graphics);
497 [DllImport("gdiplus.dll")]
498 static internal extern Status GdipDeleteGraphics(IntPtr graphics);
499 [DllImport("gdiplus.dll")]
500 static internal extern Status GdipRestoreGraphics(IntPtr graphics, uint graphicsState);
501 [DllImport("gdiplus.dll")]
502 static internal extern Status GdipSaveGraphics(IntPtr graphics, out uint state);
503 [DllImport("gdiplus.dll")]
504 static internal extern Status GdipMultiplyWorldTransform (IntPtr graphics, IntPtr matrix, MatrixOrder order);
506 [DllImport("gdiplus.dll")]
507 static internal extern Status GdipRotateWorldTransform(IntPtr graphics, float angle, MatrixOrder order);
508 [DllImport("gdiplus.dll")]
509 static internal extern Status GdipTranslateWorldTransform(IntPtr graphics, float dx, float dy, MatrixOrder order);
510 [DllImport("gdiplus.dll")]
511 static internal extern Status GdipDrawArc (IntPtr graphics, IntPtr pen, float x, float y, float width, float height, float startAngle, float sweepAngle);
512 [DllImport("gdiplus.dll")]
513 static internal extern Status GdipDrawArcI (IntPtr graphics, IntPtr pen, int x, int y, int width, int height, float startAngle, float sweepAngle);
514 [DllImport("gdiplus.dll")]
515 static internal extern Status GdipDrawBezier (IntPtr graphics, IntPtr pen, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4);
516 [DllImport("gdiplus.dll")]
517 static internal extern Status GdipDrawBezierI (IntPtr graphics, IntPtr pen, int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4);
518 [DllImport("gdiplus.dll")]
519 static internal extern Status GdipDrawEllipseI (IntPtr graphics, IntPtr pen, int x, int y, int width, int height);
520 [DllImport("gdiplus.dll")]
521 static internal extern Status GdipDrawEllipse (IntPtr graphics, IntPtr pen, float x, float y, float width, float height);
522 [DllImport("gdiplus.dll")]
523 static internal extern Status GdipDrawLine (IntPtr graphics, IntPtr pen, float x1, float y1, float x2, float y2);
524 [DllImport("gdiplus.dll")]
525 static internal extern Status GdipDrawLineI (IntPtr graphics, IntPtr pen, int x1, int y1, int x2, int y2);
526 [DllImport ("gdiplus.dll")]
527 static internal extern Status GdipDrawLines (IntPtr graphics, IntPtr pen, PointF [] points, int count);
528 [DllImport ("gdiplus.dll")]
529 static internal extern Status GdipDrawLinesI (IntPtr graphics, IntPtr pen, Point [] points, int count);
530 [DllImport ("gdiplus.dll")]
531 static internal extern Status GdipDrawPath (IntPtr graphics, IntPtr pen, IntPtr path);
532 [DllImport ("gdiplus.dll")]
533 static internal extern Status GdipDrawPie (IntPtr graphics, IntPtr pen, float x, float y, float width, float height, float startAngle, float sweepAngle);
534 [DllImport ("gdiplus.dll")]
535 static internal extern Status GdipDrawPieI (IntPtr graphics, IntPtr pen, int x, int y, int width, int height, float startAngle, float sweepAngle);
536 [DllImport ("gdiplus.dll")]
537 static internal extern Status GdipDrawPolygon (IntPtr graphics, IntPtr pen, PointF [] points, int count);
538 [DllImport ("gdiplus.dll")]
539 static internal extern Status GdipDrawPolygonI (IntPtr graphics, IntPtr pen, Point [] points, int count);
540 [DllImport ("gdiplus.dll")]
541 static internal extern Status GdipDrawRectangle (IntPtr graphics, IntPtr pen, float x, float y, float width, float height);
542 [DllImport ("gdiplus.dll")]
543 static internal extern Status GdipDrawRectangleI (IntPtr graphics, IntPtr pen, int x, int y, int width, int height);
544 [DllImport ("gdiplus.dll")]
545 static internal extern Status GdipDrawRectangles (IntPtr graphics, IntPtr pen, RectangleF [] rects, int count);
546 [DllImport ("gdiplus.dll")]
547 static internal extern Status GdipDrawRectanglesI (IntPtr graphics, IntPtr pen, Rectangle [] rects, int count);
548 [DllImport("gdiplus.dll")]
549 static internal extern Status GdipFillEllipseI (IntPtr graphics, IntPtr pen, int x, int y, int width, int height);
550 [DllImport("gdiplus.dll")]
551 static internal extern Status GdipFillEllipse (IntPtr graphics, IntPtr pen, float x, float y, float width, float height);
552 [DllImport ("gdiplus.dll")]
553 static internal extern Status GdipFillPolygon (IntPtr graphics, IntPtr brush, PointF [] points, int count, FillMode fillMode);
554 [DllImport ("gdiplus.dll")]
555 static internal extern Status GdipFillPolygonI (IntPtr graphics, IntPtr brush, Point [] points, int count, FillMode fillMode);
556 [DllImport ("gdiplus.dll")]
557 static internal extern Status GdipFillPolygon2 (IntPtr graphics, IntPtr brush, PointF [] points, int count);
558 [DllImport ("gdiplus.dll")]
559 static internal extern Status GdipFillPolygon2I (IntPtr graphics, IntPtr brush, Point [] points, int count);
560 [DllImport("gdiplus.dll")]
561 static internal extern Status GdipFillRectangle (IntPtr graphics, IntPtr brush, float x1, float y1, float x2, float y2);
562 [DllImport("gdiplus.dll")]
563 static internal extern Status GdipFillRectangleI (IntPtr graphics, IntPtr brush, int x1, int y1, int x2, int y2);
564 [DllImport("gdiplus.dll")]
565 static internal extern Status GdipFillRectangles (IntPtr graphics, IntPtr brush, RectangleF [] rects, int count);
566 [DllImport("gdiplus.dll")]
567 static internal extern Status GdipFillRectanglesI (IntPtr graphics, IntPtr brush, Rectangle [] rects, int count);
568 [DllImport("gdiplus.dll", CharSet=CharSet.Unicode)]
569 static internal extern Status GdipDrawString (IntPtr graphics, string text, int len, IntPtr font, ref RectangleF rc, IntPtr format, IntPtr brush);
570 [DllImport("gdiplus.dll")]
571 static internal extern Status GdipGetDC (IntPtr graphics, out IntPtr hdc);
572 [DllImport("gdiplus.dll")]
573 static internal extern Status GdipReleaseDC (IntPtr graphics, IntPtr hdc);
574 [DllImport("gdiplus.dll")]
575 static internal extern Status GdipDrawImageRectI (IntPtr graphics, IntPtr image, int x, int y, int width, int height);
576 [DllImport ("gdiplus.dll")]
577 static internal extern Status GdipGetRenderingOrigin (IntPtr graphics, out int x, out int y);
578 [DllImport ("gdiplus.dll")]
579 static internal extern Status GdipSetRenderingOrigin (IntPtr graphics, int x, int y);
580 [DllImport("gdiplus.dll")]
581 internal static extern Status GdipCloneBitmapArea (float x, float y, float width, float height, PixelFormat format, IntPtr original, out IntPtr bitmap);
582 [DllImport("gdiplus.dll")]
583 internal static extern Status GdipCloneBitmapAreaI (int x, int y, int width, int height, PixelFormat format, IntPtr original, out IntPtr bitmap);
584 [DllImport("gdiplus.dll")]
585 internal static extern Status GdipResetWorldTransform (IntPtr graphics);
586 [DllImport("gdiplus.dll")]
587 internal static extern Status GdipSetWorldTransform (IntPtr graphics, IntPtr matrix);
588 [DllImport("gdiplus.dll")]
589 internal static extern Status GdipGetWorldTransform (IntPtr graphics, IntPtr matrix);
590 [DllImport("gdiplus.dll")]
591 internal static extern Status GdipScaleWorldTransform (IntPtr graphics, float sx, float sy, MatrixOrder order);
592 [DllImport("gdiplus.dll")]
593 internal static extern Status GdipGraphicsClear(IntPtr graphics, int argb);
594 [DllImport("gdiplus.dll")]
595 internal static extern Status GdipDrawClosedCurve(IntPtr graphics, IntPtr pen, PointF [] points, int count);
596 [DllImport("gdiplus.dll")]
597 internal static extern Status GdipDrawClosedCurveI(IntPtr graphics, IntPtr pen, Point [] points, int count);
598 [DllImport("gdiplus.dll")]
599 internal static extern Status GdipDrawClosedCurve2(IntPtr graphics, IntPtr pen, PointF [] points, int count, float tension);
600 [DllImport("gdiplus.dll")]
601 internal static extern Status GdipDrawClosedCurve2I(IntPtr graphics, IntPtr pen, Point [] points, int count, float tension);
602 [DllImport("gdiplus.dll")]
603 internal static extern Status GdipDrawCurve(IntPtr graphics, IntPtr pen, PointF [] points, int count);
604 [DllImport("gdiplus.dll")]
605 internal static extern Status GdipDrawCurveI(IntPtr graphics, IntPtr pen, Point [] points, int count);
606 [DllImport("gdiplus.dll")]
607 internal static extern Status GdipDrawCurve2(IntPtr graphics, IntPtr pen, PointF [] points, int count, float tension);
608 [DllImport("gdiplus.dll")]
609 internal static extern Status GdipDrawCurve2I(IntPtr graphics, IntPtr pen, Point [] points, int count, float tension);
610 [DllImport("gdiplus.dll")]
611 internal static extern Status GdipDrawCurve3(IntPtr graphics, IntPtr pen, PointF [] points, int count, int offset, int numberOfSegments, float tension);
612 [DllImport("gdiplus.dll")]
613 internal static extern Status GdipDrawCurve3I(IntPtr graphics, IntPtr pen, Point [] points, int count, int offset, int numberOfSegments, float tension);
614 [DllImport("gdiplus.dll")]
615 internal static extern Status GdipSetClipRect(IntPtr graphics, float x, float y, float width, float height, CombineMode combineMode);
616 [DllImport("gdiplus.dll")]
617 internal static extern Status GdipSetClipRectI(IntPtr graphics, int x, int y, int width, int height, CombineMode combineMode);
618 [DllImport("gdiplus.dll")]
619 internal static extern Status GdipSetClipPath(IntPtr graphics, IntPtr path, CombineMode combineMode);
620 [DllImport("gdiplus.dll")]
621 internal static extern Status GdipSetClipRegion(IntPtr graphics, IntPtr region, CombineMode combineMode);
622 [DllImport("gdiplus.dll")]
623 internal static extern Status GdipSetClipGraphics(IntPtr graphics, IntPtr srcgraphics, CombineMode combineMode);
624 [DllImport("gdiplus.dll")]
625 internal static extern Status GdipResetClip(IntPtr graphics);
626 [DllImport("gdiplus.dll")]
627 internal static extern Status GdipEndContainer(IntPtr graphics, int state);
628 [DllImport("gdiplus.dll")]
629 internal static extern Status GdipGetClip (IntPtr graphics, IntPtr region);
631 [DllImport("gdiplus.dll")]
632 internal static extern Status GdipFillClosedCurve(IntPtr graphics, IntPtr brush, PointF [] points, int count);
634 [DllImport("gdiplus.dll")]
635 internal static extern Status GdipFillClosedCurveI(IntPtr graphics, IntPtr brush, Point [] points, int count);
637 [DllImport("gdiplus.dll")]
638 internal static extern Status GdipFillClosedCurve2(IntPtr graphics, IntPtr brush,
639 PointF [] points, int count, float tension, FillMode fillMode);
641 [DllImport("gdiplus.dll")]
642 internal static extern Status GdipFillClosedCurve2I(IntPtr graphics, IntPtr brush,
643 Point [] points, int count, float tension, FillMode fillMode);
645 [DllImport("gdiplus.dll")]
646 internal static extern Status GdipFillPie(IntPtr graphics, IntPtr brush, float x, float y,
647 float width, float height, float startAngle, float sweepAngle);
649 [DllImport("gdiplus.dll")]
650 internal static extern Status GdipFillPieI(IntPtr graphics, IntPtr brush, int x, int y,
651 int width, int height, float startAngle, float sweepAngle);
653 [DllImport("gdiplus.dll")]
654 internal static extern Status GdipFillPath(IntPtr graphics, IntPtr brush, IntPtr path);
656 [DllImport("gdiplus.dll")]
657 internal static extern Status GdipGetNearestColor(IntPtr graphics, out int argb);
659 [DllImport("gdiplus.dll")]
660 internal static extern Status GdipIsVisiblePoint(IntPtr graphics, float x, float y, out bool result);
662 [DllImport("gdiplus.dll")]
663 internal static extern Status GdipIsVisiblePointI(IntPtr graphics, int x, int y, out bool result);
665 [DllImport("gdiplus.dll")]
666 internal static extern Status GdipIsVisibleRect(IntPtr graphics, float x, float y,
667 float width, float height, out bool result);
669 [DllImport("gdiplus.dll")]
670 internal static extern Status GdipIsVisibleRectI(IntPtr graphics, int x, int y,
671 int width, int height, out bool result);
673 [DllImport("gdiplus.dll")]
674 internal static extern Status GdipTransformPoints(IntPtr graphics, CoordinateSpace destSpace,
675 CoordinateSpace srcSpace, IntPtr points, int count);
677 [DllImport("gdiplus.dll")]
678 internal static extern Status GdipTransformPointsI(IntPtr graphics, CoordinateSpace destSpace,
679 CoordinateSpace srcSpace, IntPtr points, int count);
681 [DllImport("gdiplus.dll")]
682 internal static extern Status GdipTranslateClip(IntPtr graphics, float dx, float dy);
683 [DllImport("gdiplus.dll")]
684 internal static extern Status GdipTranslateClipI(IntPtr graphics, int dx, int dy);
685 [DllImport("gdiplus.dll")]
686 internal static extern Status GdipGetClipBounds(IntPtr graphics, out RectangleF rect);
687 [DllImport("gdiplus.dll")]
688 internal static extern Status GdipSetCompositingMode(IntPtr graphics, CompositingMode compositingMode);
689 [DllImport("gdiplus.dll")]
690 internal static extern Status GdipGetCompositingMode(IntPtr graphics, out CompositingMode compositingMode);
691 [DllImport("gdiplus.dll")]
692 internal static extern Status GdipSetCompositingQuality(IntPtr graphics, CompositingQuality compositingQuality);
693 [DllImport("gdiplus.dll")]
694 internal static extern Status GdipGetCompositingQuality(IntPtr graphics, out CompositingQuality compositingQuality);
695 [DllImport("gdiplus.dll")]
696 internal static extern Status GdipSetInterpolationMode(IntPtr graphics, InterpolationMode interpolationMode);
697 [DllImport("gdiplus.dll")]
698 internal static extern Status GdipGetInterpolationMode(IntPtr graphics, out InterpolationMode interpolationMode);
699 [DllImport("gdiplus.dll")]
700 internal static extern Status GdipGetDpiX(IntPtr graphics, out float dpi);
701 [DllImport("gdiplus.dll")]
702 internal static extern Status GdipGetDpiY(IntPtr graphics, out float dpi);
703 [DllImport("gdiplus.dll")]
704 internal static extern Status GdipIsClipEmpty(IntPtr graphics, out bool result);
705 [DllImport("gdiplus.dll")]
706 internal static extern Status GdipIsVisibleClipEmpty(IntPtr graphics, out bool result);
707 [DllImport("gdiplus.dll")]
708 internal static extern Status GdipGetPageUnit(IntPtr graphics, out GraphicsUnit unit);
709 [DllImport("gdiplus.dll")]
710 internal static extern Status GdipGetPageScale(IntPtr graphics, out float scale);
711 [DllImport("gdiplus.dll")]
712 internal static extern Status GdipSetPageUnit(IntPtr graphics, GraphicsUnit unit);
713 [DllImport("gdiplus.dll")]
714 internal static extern Status GdipSetPageScale(IntPtr graphics, float scale);
715 [DllImport("gdiplus.dll")]
716 internal static extern Status GdipSetPixelOffsetMode(IntPtr graphics, PixelOffsetMode pixelOffsetMode);
717 [DllImport("gdiplus.dll")]
718 internal static extern Status GdipGetPixelOffsetMode(IntPtr graphics, out PixelOffsetMode pixelOffsetMode);
719 [DllImport("gdiplus.dll")]
720 internal static extern Status GdipSetSmoothingMode(IntPtr graphics, SmoothingMode smoothingMode);
721 [DllImport("gdiplus.dll")]
722 internal static extern Status GdipGetSmoothingMode(IntPtr graphics, out SmoothingMode smoothingMode);
723 [DllImport("gdiplus.dll")]
724 internal static extern Status GdipSetTextContrast(IntPtr graphics, int contrast);
725 [DllImport("gdiplus.dll")]
726 internal static extern Status GdipGetTextContrast(IntPtr graphics, out int contrast);
727 [DllImport("gdiplus.dll")]
728 internal static extern Status GdipSetTextRenderingHint(IntPtr graphics, TextRenderingHint mode);
729 [DllImport("gdiplus.dll")]
730 internal static extern Status GdipGetTextRenderingHint(IntPtr graphics, out TextRenderingHint mode);
731 [DllImport("gdiplus.dll")]
732 internal static extern Status GdipGetVisibleClipBounds(IntPtr graphics, out RectangleF rect);
734 [DllImport("gdiplus.dll")]
735 internal static extern Status GdipFlush(IntPtr graphics, FlushIntention intention);
739 [DllImport("gdiplus.dll")]
740 internal static extern Status GdipCreatePen1 (int argb, float width, Unit unit, out IntPtr pen);
741 [DllImport("gdiplus.dll")]
742 internal static extern Status GdipCreatePen2 (IntPtr brush, float width, Unit unit, out IntPtr pen);
743 [DllImport("gdiplus.dll")]
744 internal static extern Status GdipClonePen (IntPtr pen, out IntPtr clonepen);
745 [DllImport("gdiplus.dll")]
746 internal static extern Status GdipDeletePen(IntPtr pen);
747 [DllImport("gdiplus.dll")]
748 internal static extern Status GdipSetPenBrushFill (IntPtr pen, IntPtr brush);
749 [DllImport("gdiplus.dll")]
750 internal static extern Status GdipGetPenBrushFill (IntPtr pen, out IntPtr brush);
751 [DllImport("gdiplus.dll")]
752 internal static extern Status GdipGetPenFillType (IntPtr pen, out PenType type);
753 [DllImport("gdiplus.dll")]
754 internal static extern Status GdipSetPenColor (IntPtr pen, int color);
755 [DllImport("gdiplus.dll")]
756 internal static extern Status GdipGetPenColor (IntPtr pen, out int color);
757 [DllImport("gdiplus.dll")]
758 internal static extern Status GdipSetPenCompoundArray (IntPtr pen, float[] dash, int count);
759 [DllImport("gdiplus.dll")]
760 internal static extern Status GdipGetPenCompoundArray (IntPtr pen, float[] dash, int count);
761 [DllImport("gdiplus.dll")]
762 internal static extern Status GdipGetPenCompoundCount (IntPtr pen, out int count);
763 [DllImport("gdiplus.dll")]
764 internal static extern Status GdipSetPenDashCap197819 (IntPtr pen, DashCap dashCap);
765 [DllImport("gdiplus.dll")]
766 internal static extern Status GdipGetPenDashCap197819 (IntPtr pen, out DashCap dashCap);
767 [DllImport("gdiplus.dll")]
768 internal static extern Status GdipSetPenDashStyle (IntPtr pen, DashStyle dashStyle);
769 [DllImport("gdiplus.dll")]
770 internal static extern Status GdipGetPenDashStyle (IntPtr pen, out DashStyle dashStyle);
771 [DllImport("gdiplus.dll")]
772 internal static extern Status GdipSetPenDashOffset (IntPtr pen, float offset);
773 [DllImport("gdiplus.dll")]
774 internal static extern Status GdipGetPenDashOffset (IntPtr pen, out float offset);
775 [DllImport("gdiplus.dll")]
776 internal static extern Status GdipGetPenDashCount (IntPtr pen, out int count);
777 [DllImport("gdiplus.dll")]
778 internal static extern Status GdipSetPenDashArray (IntPtr pen, float[] dash, int count);
779 [DllImport("gdiplus.dll")]
780 internal static extern Status GdipGetPenDashArray (IntPtr pen, float[] dash, int count);
781 [DllImport("gdiplus.dll")]
782 internal static extern Status GdipSetPenMiterLimit (IntPtr pen, float miterLimit);
783 [DllImport("gdiplus.dll")]
784 internal static extern Status GdipGetPenMiterLimit (IntPtr pen, out float miterLimit);
785 [DllImport("gdiplus.dll")]
786 internal static extern Status GdipSetPenLineJoin (IntPtr pen, LineJoin lineJoin);
787 [DllImport("gdiplus.dll")]
788 internal static extern Status GdipGetPenLineJoin (IntPtr pen, out LineJoin lineJoin);
789 [DllImport("gdiplus.dll")]
790 internal static extern Status GdipSetPenLineCap197819 (IntPtr pen, LineCap startCap, LineCap endCap, DashCap dashCap);
791 [DllImport("gdiplus.dll")]
792 internal static extern Status GdipSetPenMode (IntPtr pen, PenAlignment alignment);
793 [DllImport("gdiplus.dll")]
794 internal static extern Status GdipGetPenMode (IntPtr pen, out PenAlignment alignment);
795 [DllImport("gdiplus.dll")]
796 internal static extern Status GdipSetPenStartCap (IntPtr pen, LineCap startCap);
797 [DllImport("gdiplus.dll")]
798 internal static extern Status GdipGetPenStartCap (IntPtr pen, out LineCap startCap);
799 [DllImport("gdiplus.dll")]
800 internal static extern Status GdipSetPenEndCap (IntPtr pen, LineCap endCap);
801 [DllImport("gdiplus.dll")]
802 internal static extern Status GdipGetPenEndCap (IntPtr pen, out LineCap endCap);
803 [DllImport("gdiplus.dll")]
804 internal static extern Status GdipSetPenCustomStartCap (IntPtr pen, IntPtr customCap);
805 [DllImport("gdiplus.dll")]
806 internal static extern Status GdipGetPenCustomStartCap (IntPtr pen, out IntPtr customCap);
807 [DllImport("gdiplus.dll")]
808 internal static extern Status GdipSetPenCustomEndCap (IntPtr pen, IntPtr customCap);
809 [DllImport("gdiplus.dll")]
810 internal static extern Status GdipGetPenCustomEndCap (IntPtr pen, out IntPtr customCap);
811 [DllImport("gdiplus.dll")]
812 internal static extern Status GdipSetPenTransform (IntPtr pen, IntPtr matrix);
813 [DllImport("gdiplus.dll")]
814 internal static extern Status GdipGetPenTransform (IntPtr pen, IntPtr matrix);
815 [DllImport("gdiplus.dll")]
816 internal static extern Status GdipSetPenWidth (IntPtr pen, float width);
817 [DllImport("gdiplus.dll")]
818 internal static extern Status GdipGetPenWidth (IntPtr pen, out float width);
819 [DllImport("gdiplus.dll")]
820 internal static extern Status GdipResetPenTransform (IntPtr pen);
821 [DllImport("gdiplus.dll")]
822 internal static extern Status GdipMultiplyPenTransform (IntPtr pen, IntPtr matrix, MatrixOrder order);
823 [DllImport("gdiplus.dll")]
824 internal static extern Status GdipRotatePenTransform (IntPtr pen, float angle, MatrixOrder order);
825 [DllImport("gdiplus.dll")]
826 internal static extern Status GdipScalePenTransform (IntPtr pen, float sx, float sy, MatrixOrder order);
827 [DllImport("gdiplus.dll")]
828 internal static extern Status GdipTranslatePenTransform (IntPtr pen, float dx, float dy, MatrixOrder order);
830 // CustomLineCap functions
831 [DllImport("gdiplus.dll")]
832 internal static extern Status GdipCreateCustomLineCap (IntPtr fillPath, IntPtr strokePath, LineCap baseCap, float baseInset, out IntPtr customCap);
833 [DllImport("gdiplus.dll")]
834 internal static extern Status GdipDeleteCustomLineCap (IntPtr customCap);
835 [DllImport("gdiplus.dll")]
836 internal static extern Status GdipCloneCustomLineCap (IntPtr customCap, out IntPtr clonedCap);
837 [DllImport("gdiplus.dll")]
838 internal static extern Status GdipSetCustomLineCapStrokeCaps (IntPtr customCap, LineCap startCap, LineCap endCap);
839 [DllImport("gdiplus.dll")]
840 internal static extern Status GdipGetCustomLineCapStrokeCaps (IntPtr customCap, out LineCap startCap, out LineCap endCap);
841 [DllImport("gdiplus.dll")]
842 internal static extern Status GdipSetCustomLineCapStrokeJoin (IntPtr customCap, LineJoin lineJoin);
843 [DllImport("gdiplus.dll")]
844 internal static extern Status GdipGetCustomLineCapStrokeJoin (IntPtr customCap, out LineJoin lineJoin);
845 [DllImport("gdiplus.dll")]
846 internal static extern Status GdipSetCustomLineCapBaseCap (IntPtr customCap, LineCap baseCap);
847 [DllImport("gdiplus.dll")]
848 internal static extern Status GdipGetCustomLineCapBaseCap (IntPtr customCap, out LineCap baseCap);
849 [DllImport("gdiplus.dll")]
850 internal static extern Status GdipSetCustomLineCapBaseInset (IntPtr customCap, float inset);
851 [DllImport("gdiplus.dll")]
852 internal static extern Status GdipGetCustomLineCapBaseInset (IntPtr customCap, out float inset);
853 [DllImport("gdiplus.dll")]
854 internal static extern Status GdipSetCustomLineCapWidthScale (IntPtr customCap, float widthScale);
855 [DllImport("gdiplus.dll")]
856 internal static extern Status GdipGetCustomLineCapWidthScale (IntPtr customCap, out float widthScale);
858 // AdjustableArrowCap functions
859 [DllImport("gdiplus.dll")]
860 internal static extern Status GdipCreateAdjustableArrowCap (float height, float width, bool isFilled, out IntPtr arrowCap);
861 [DllImport("gdiplus.dll")]
862 internal static extern Status GdipSetAdjustableArrowCapHeight (IntPtr arrowCap, float height);
863 [DllImport("gdiplus.dll")]
864 internal static extern Status GdipGetAdjustableArrowCapHeight (IntPtr arrowCap, out float height);
865 [DllImport("gdiplus.dll")]
866 internal static extern Status GdipSetAdjustableArrowCapWidth (IntPtr arrowCap, float width);
867 [DllImport("gdiplus.dll")]
868 internal static extern Status GdipGetAdjustableArrowCapWidth (IntPtr arrowCap, out float width);
869 [DllImport("gdiplus.dll")]
870 internal static extern Status GdipSetAdjustableArrowCapMiddleInset (IntPtr arrowCap, float middleInset);
871 [DllImport("gdiplus.dll")]
872 internal static extern Status GdipGetAdjustableArrowCapMiddleInset (IntPtr arrowCap, out float middleInset);
873 [DllImport("gdiplus.dll")]
874 internal static extern Status GdipSetAdjustableArrowCapFillState (IntPtr arrowCap, bool isFilled);
875 [DllImport("gdiplus.dll")]
876 internal static extern Status GdipGetAdjustableArrowCapFillState (IntPtr arrowCap, out bool isFilled);
879 [DllImport("gdiplus.dll")]
880 internal static extern Status GdipCreateFromHWND (IntPtr hwnd, out IntPtr graphics);
882 [DllImport("gdiplus.dll", CharSet=CharSet.Unicode)]
883 internal static extern Status GdipMeasureString(IntPtr graphics, string str, int length, IntPtr font,
884 ref RectangleF layoutRect, IntPtr stringFormat, out RectangleF boundingBox, out int codepointsFitted,
885 out int linesFilled);
887 [DllImport("gdiplus.dll", CharSet=CharSet.Unicode)]
888 internal static extern Status GdipMeasureCharacterRanges (IntPtr graphics, string str, int length, IntPtr font,
889 ref RectangleF layoutRect, IntPtr stringFormat, int regcount, out IntPtr regions);
891 [DllImport("gdiplus.dll")]
892 internal static extern Status GdipSetStringFormatMeasurableCharacterRanges (IntPtr native,
893 int cnt, CharacterRange [] range);
895 [DllImport("gdiplus.dll")]
896 internal static extern Status GdipGetStringFormatMeasurableCharacterRangeCount (IntPtr native,
900 [DllImport("gdiplus.dll")]
901 internal static extern Status GdipCreateBitmapFromScan0 (int width, int height, int stride, PixelFormat format, IntPtr scan0, out IntPtr bmp);
903 [DllImport("gdiplus.dll")]
904 internal static extern Status GdipCreateBitmapFromGraphics (int width, int height, IntPtr target, out IntPtr bitmap);
906 [DllImport("gdiplus.dll")]
907 internal static extern Status GdipBitmapLockBits (IntPtr bmp, ref Rectangle rc, ImageLockMode flags, PixelFormat format, [In, Out] BitmapData bmpData);
909 [DllImport("gdiplus.dll")]
910 internal static extern Status GdipBitmapSetResolution(IntPtr bmp, float xdpi, float ydpi);
912 [DllImport("gdiplus.dll")]
913 internal static extern Status GdipBitmapUnlockBits (IntPtr bmp, [In,Out] BitmapData bmpData);
915 [DllImport("gdiplus.dll")]
916 internal static extern Status GdipBitmapGetPixel (IntPtr bmp, int x, int y, out int argb);
918 [DllImport("gdiplus.dll")]
919 internal static extern Status GdipBitmapSetPixel (IntPtr bmp, int x, int y, int argb);
922 [DllImport("gdiplus.dll", CharSet=CharSet.Auto)]
923 internal static extern Status GdipLoadImageFromFile ( [MarshalAs(UnmanagedType.LPWStr)] string filename, out IntPtr image );
925 // Stream functions for Win32 (original Win32 ones)
926 [DllImport("gdiplus.dll", ExactSpelling=true, CharSet=CharSet.Unicode)]
927 internal static extern Status GdipLoadImageFromStream([MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef=typeof(ComIStreamMarshaler))] IStream stream, out IntPtr image);
929 [DllImport("gdiplus.dll", ExactSpelling=true, CharSet=CharSet.Unicode)]
930 internal static extern Status GdipSaveImageToStream(HandleRef image, [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef=typeof(ComIStreamMarshaler))] IStream stream, [In()] ref Guid clsidEncoder, HandleRef encoderParams);
933 [DllImport("gdiplus.dll")]
934 internal static extern Status GdipCloneImage(IntPtr image, out IntPtr imageclone);
936 [DllImport("gdiplus.dll", CharSet=CharSet.Auto)]
937 internal static extern Status GdipLoadImageFromFileICM ( [MarshalAs(UnmanagedType.LPWStr)] string filename, out IntPtr image );
939 [DllImport("gdiplus.dll")]
940 internal static extern Status GdipCreateBitmapFromHBITMAP ( IntPtr hBitMap, IntPtr gdiPalette, out IntPtr image );
942 [DllImport("gdiplus.dll")]
943 internal static extern Status GdipDisposeImage ( IntPtr image );
945 [DllImport("gdiplus.dll")]
946 internal static extern Status GdipGetImageFlags(IntPtr image, out int flag);
948 [DllImport("gdiplus.dll")]
949 internal static extern Status GdipImageGetFrameDimensionsCount ( IntPtr image, out uint count );
951 [DllImport("gdiplus.dll")]
952 internal static extern Status GdipImageGetFrameDimensionsList ( IntPtr image, [Out] Guid [] dimensionIDs, uint count );
954 [DllImport("gdiplus.dll")]
955 internal static extern Status GdipGetImageHeight (IntPtr image, out int height);
957 [DllImport("gdiplus.dll")]
958 internal static extern Status GdipGetImageHorizontalResolution ( IntPtr image, out float resolution );
960 [DllImport("gdiplus.dll")]
961 internal static extern Status GdipGetImagePaletteSize ( IntPtr image, out int size );
963 [DllImport("gdiplus.dll")]
964 internal static extern Status GdipGetImagePalette (IntPtr image, IntPtr palette, int size);
966 [DllImport("gdiplus.dll")]
967 internal static extern Status GdipSetImagePalette (IntPtr image, IntPtr palette);
969 [DllImport("gdiplus.dll")]
970 internal static extern Status GdipGetImageDimension ( IntPtr image, out float width, out float height );
972 [DllImport("gdiplus.dll")]
973 internal static extern Status GdipGetImagePixelFormat ( IntPtr image, out PixelFormat format );
975 [DllImport("gdiplus.dll")]
976 internal static extern Status GdipGetPropertyCount (IntPtr image, out uint propNumbers);
978 [DllImport("gdiplus.dll")]
979 internal static extern Status GdipGetPropertyIdList (IntPtr image, uint propNumbers, [Out] int [] list);
981 [DllImport("gdiplus.dll")]
982 internal static extern Status GdipGetPropertySize (IntPtr image, out int bufferSize, out int propNumbers);
984 [DllImport("gdiplus.dll")]
985 internal static extern Status GdipGetAllPropertyItems (IntPtr image, int bufferSize, int propNumbers, IntPtr items);
987 [DllImport("gdiplus.dll")]
988 internal static extern Status GdipGetImageRawFormat ( IntPtr image, out Guid format );
990 [DllImport("gdiplus.dll")]
991 internal static extern Status GdipGetImageVerticalResolution ( IntPtr image, out float resolution );
993 [DllImport("gdiplus.dll")]
994 internal static extern Status GdipGetImageWidth ( IntPtr image, out int width);
996 [DllImport("gdiplus.dll")]
997 internal static extern Status GdipGetImageBounds ( IntPtr image, out RectangleF source, ref GraphicsUnit unit );
999 [DllImport("gdiplus.dll")]
1000 internal static extern Status GdipGetEncoderParameterListSize ( IntPtr image, ref Guid encoder, out uint size );
1002 [DllImport("gdiplus.dll")]
1003 internal static extern Status GdipGetEncoderParameterList ( IntPtr image, ref Guid encoder, uint size, IntPtr buffer );
1005 [DllImport("gdiplus.dll")]
1006 internal static extern Status GdipImageGetFrameCount (IntPtr image, ref Guid guidDimension, out int count );
1008 [DllImport("gdiplus.dll")]
1009 internal static extern Status GdipImageSelectActiveFrame (IntPtr image, ref Guid guidDimension, int frameIndex);
1011 [DllImport("gdiplus.dll")]
1012 internal static extern Status GdipGetPropertyItemSize (IntPtr image, int propertyID, out int propertySize);
1014 [DllImport("gdiplus.dll")]
1015 internal static extern Status GdipGetPropertyItem (IntPtr image, int propertyID, int propertySize, IntPtr buffer);
1017 [DllImport("gdiplus.dll")]
1018 internal static extern Status GdipRemovePropertyItem (IntPtr image, int propertyId);
1020 [DllImport("gdiplus.dll")]
1021 internal static extern Status GdipSetPropertyItem (IntPtr image, IntPtr propertyItem);
1023 [DllImport("gdiplus.dll")]
1024 internal static extern Status GdipGetImageThumbnail ( IntPtr image, uint width, uint height, out IntPtr thumbImage, IntPtr callback, IntPtr callBackData );
1026 [DllImport("gdiplus.dll")]
1027 internal static extern Status GdipImageRotateFlip ( IntPtr image, RotateFlipType rotateFlipType );
1029 [DllImport("gdiplus.dll", CharSet=CharSet.Unicode)]
1030 internal static extern Status GdipSaveImageToFile (IntPtr image, string filename, ref Guid encoderClsID, IntPtr encoderParameters);
1032 [DllImport("gdiplus.dll")]
1033 internal static extern Status GdipSaveAdd ( IntPtr image, IntPtr encoderParameters );
1035 [DllImport("gdiplus.dll")]
1036 internal static extern Status GdipSaveAddImage (IntPtr image, IntPtr imagenew, IntPtr encoderParameters);
1038 [DllImport("gdiplus.dll")]
1039 internal static extern Status GdipDrawImageI (IntPtr graphics, IntPtr image, int x, int y);
1040 [DllImport("gdiplus.dll")]
1041 internal static extern Status GdipGetImageGraphicsContext (IntPtr image, out IntPtr graphics);
1042 [DllImport("gdiplus.dll")]
1043 internal static extern Status GdipDrawImage (IntPtr graphics, IntPtr image, float x, float y);
1044 [DllImport("gdiplus.dll")]
1045 internal static extern Status GdipBeginContainer (IntPtr graphics, RectangleF dstrect,
1046 RectangleF srcrect, GraphicsUnit unit, out int state);
1048 [DllImport("gdiplus.dll")]
1049 internal static extern Status GdipBeginContainerI (IntPtr graphics, Rectangle dstrect,
1050 Rectangle srcrect, GraphicsUnit unit, out int state);
1052 [DllImport("gdiplus.dll")]
1053 internal static extern Status GdipBeginContainer2 (IntPtr graphics, out int state);
1055 [DllImport("gdiplus.dll")]
1056 internal static extern Status GdipDrawImagePoints (IntPtr graphics, IntPtr image, PointF [] destPoints, int count);
1059 [DllImport("gdiplus.dll")]
1060 internal static extern Status GdipDrawImagePointsI (IntPtr graphics, IntPtr image, Point [] destPoints, int count);
1062 [DllImport("gdiplus.dll")]
1063 internal static extern Status GdipDrawImageRectRectI (IntPtr graphics, IntPtr image,
1064 int dstx, int dsty, int dstwidth, int dstheight,
1065 int srcx, int srcy, int srcwidth, int srcheight,
1066 GraphicsUnit srcUnit, IntPtr imageattr, Graphics.DrawImageAbort callback, IntPtr callbackData);
1068 [DllImport("gdiplus.dll")]
1069 internal static extern Status GdipDrawImageRectRect (IntPtr graphics, IntPtr image,
1070 float dstx, float dsty, float dstwidth, float dstheight,
1071 float srcx, float srcy, float srcwidth, float srcheight,
1072 GraphicsUnit srcUnit, IntPtr imageattr, Graphics.DrawImageAbort callback, IntPtr callbackData);
1074 [DllImport("gdiplus.dll")]
1075 internal static extern Status GdipDrawImagePointsRectI (IntPtr graphics, IntPtr image,
1076 Point [] destPoints, int count, int srcx, int srcy, int srcwidth, int srcheight,
1077 GraphicsUnit srcUnit, IntPtr imageattr, Graphics.DrawImageAbort callback, IntPtr callbackData);
1079 [DllImport("gdiplus.dll")]
1080 internal static extern Status GdipDrawImagePointsRect (IntPtr graphics, IntPtr image,
1081 PointF [] destPoints, int count, float srcx, float srcy, float srcwidth, float srcheight,
1082 GraphicsUnit srcUnit, IntPtr imageattr, Graphics.DrawImageAbort callback, IntPtr callbackData);
1084 [DllImport("gdiplus.dll")]
1085 internal static extern Status GdipDrawImageRect(IntPtr graphics, IntPtr image, float x, float y, float width, float height);
1086 [DllImport("gdiplus.dll")]
1087 internal static extern Status GdipDrawImagePointRect(IntPtr graphics, IntPtr image, float x,
1088 float y, float srcx, float srcy, float srcwidth, float srcheight, GraphicsUnit srcUnit);
1090 [DllImport("gdiplus.dll")]
1091 internal static extern Status GdipDrawImagePointRectI(IntPtr graphics, IntPtr image, int x,
1092 int y, int srcx, int srcy, int srcwidth,
1093 int srcheight, GraphicsUnit srcUnit);
1095 [DllImport("gdiplus.dll")]
1096 internal static extern Status GdipCreateStringFormat(StringFormatFlags formatAttributes, int language, out IntPtr native);
1098 [DllImport("gdiplus.dll")]
1099 internal static extern Status GdipCreateHBITMAPFromBitmap (IntPtr bmp, out IntPtr HandleBmp, int clrbackground);
1101 [DllImport("gdiplus.dll", CharSet=CharSet.Auto)]
1102 internal static extern Status GdipCreateBitmapFromFile ([MarshalAs (UnmanagedType.LPWStr)] string filename, out IntPtr bitmap);
1104 [DllImport("gdiplus.dll", CharSet=CharSet.Auto)]
1105 internal static extern Status GdipCreateBitmapFromFileICM ([MarshalAs (UnmanagedType.LPWStr)] string filename, out IntPtr bitmap);
1107 [DllImport("gdiplus.dll")]
1108 internal static extern Status GdipCreateHICONFromBitmap (IntPtr bmp, out IntPtr HandleIcon);
1110 [DllImport("gdiplus.dll")]
1111 internal static extern Status GdipCreateBitmapFromHICON (IntPtr hicon, out IntPtr bitmap);
1113 [DllImport("gdiplus.dll")]
1114 internal static extern Status GdipCreateBitmapFromResource (IntPtr hInstance,
1115 string lpBitmapName, out IntPtr bitmap);
1118 [DllImport ("gdiplus.dll")]
1119 internal static extern Status GdipCreateMatrix (out IntPtr matrix);
1120 [DllImport ("gdiplus.dll")]
1121 internal static extern Status GdipCreateMatrix2 (float m11, float m12, float m21, float m22, float dx, float dy, out IntPtr matrix);
1122 [DllImport ("gdiplus.dll")]
1123 internal static extern Status GdipCreateMatrix3 (RectangleF rect, PointF [] dstplg, out IntPtr matrix);
1124 [DllImport ("gdiplus.dll")]
1125 internal static extern Status GdipCreateMatrix3I (Rectangle rect, Point [] dstplg, out IntPtr matrix);
1126 [DllImport ("gdiplus.dll")]
1127 internal static extern Status GdipDeleteMatrix (IntPtr matrix);
1129 [DllImport ("gdiplus.dll")]
1130 internal static extern Status GdipCloneMatrix (IntPtr matrix, out IntPtr cloneMatrix);
1131 [DllImport ("gdiplus.dll")]
1132 internal static extern Status GdipSetMatrixElements (IntPtr matrix, float m11, float m12, float m21, float m22, float dx, float dy);
1133 [DllImport ("gdiplus.dll")]
1134 internal static extern Status GdipGetMatrixElements (IntPtr matrix, IntPtr matrixOut);
1135 [DllImport ("gdiplus.dll")]
1136 internal static extern Status GdipMultiplyMatrix (IntPtr matrix, IntPtr matrix2, MatrixOrder order);
1137 [DllImport ("gdiplus.dll")]
1138 internal static extern Status GdipTranslateMatrix (IntPtr matrix, float offsetX, float offsetY, MatrixOrder order);
1139 [DllImport ("gdiplus.dll")]
1140 internal static extern Status GdipScaleMatrix (IntPtr matrix, float scaleX, float scaleY, MatrixOrder order);
1141 [DllImport ("gdiplus.dll")]
1142 internal static extern Status GdipRotateMatrix (IntPtr matrix, float angle, MatrixOrder order);
1144 [DllImport ("gdiplus.dll")]
1145 internal static extern Status GdipShearMatrix (IntPtr matrix, float shearX, float shearY, MatrixOrder order);
1147 [DllImport ("gdiplus.dll")]
1148 internal static extern Status GdipInvertMatrix (IntPtr matrix);
1149 [DllImport ("gdiplus.dll")]
1150 internal static extern Status GdipTransformMatrixPoints (IntPtr matrix, PointF [] pts, int count);
1151 [DllImport ("gdiplus.dll")]
1152 internal static extern Status GdipTransformMatrixPointsI (IntPtr matrix, Point [] pts, int count);
1153 [DllImport ("gdiplus.dll")]
1154 internal static extern Status GdipVectorTransformMatrixPoints (IntPtr matrix, PointF [] pts, int count);
1155 [DllImport ("gdiplus.dll")]
1156 internal static extern Status GdipVectorTransformMatrixPointsI (IntPtr matrix, Point [] pts, int count);
1157 [DllImport ("gdiplus.dll")]
1158 internal static extern Status GdipIsMatrixInvertible (IntPtr matrix, out bool result);
1160 [DllImport ("gdiplus.dll")]
1161 internal static extern Status GdipIsMatrixIdentity (IntPtr matrix, out bool result);
1162 [DllImport ("gdiplus.dll")]
1163 internal static extern Status GdipIsMatrixEqual (IntPtr matrix, IntPtr matrix2, out bool result);
1165 // GraphicsPath functions
1166 [DllImport ("gdiplus.dll")]
1167 internal static extern Status GdipCreatePath (FillMode brushMode, out IntPtr path);
1168 [DllImport ("gdiplus.dll")]
1169 internal static extern Status GdipCreatePath2 (PointF [] points, byte [] types, int count, FillMode brushMode, out IntPtr path);
1170 [DllImport ("gdiplus.dll")]
1171 internal static extern Status GdipCreatePath2I (Point [] points, byte [] types, int count, FillMode brushMode, out IntPtr path);
1172 [DllImport ("gdiplus.dll")]
1173 internal static extern Status GdipClonePath (IntPtr path, out IntPtr clonePath);
1174 [DllImport ("gdiplus.dll")]
1175 internal static extern Status GdipDeletePath (IntPtr path);
1176 [DllImport ("gdiplus.dll")]
1177 internal static extern Status GdipResetPath (IntPtr path);
1178 [DllImport ("gdiplus.dll")]
1179 internal static extern Status GdipGetPointCount (IntPtr path, out int count);
1180 [DllImport ("gdiplus.dll")]
1181 internal static extern Status GdipGetPathTypes (IntPtr path, [Out] byte [] types, int count);
1182 [DllImport ("gdiplus.dll")]
1183 internal static extern Status GdipGetPathPoints (IntPtr path, [Out] PointF [] points, int count);
1184 [DllImport ("gdiplus.dll")]
1185 internal static extern Status GdipGetPathPointsI (IntPtr path, [Out] Point [] points, int count);
1186 [DllImport ("gdiplus.dll")]
1187 internal static extern Status GdipGetPathFillMode (IntPtr path, out FillMode fillMode);
1188 [DllImport ("gdiplus.dll")]
1189 internal static extern Status GdipSetPathFillMode (IntPtr path, FillMode fillMode);
1190 [DllImport ("gdiplus.dll")]
1191 internal static extern Status GdipStartPathFigure (IntPtr path);
1192 [DllImport ("gdiplus.dll")]
1193 internal static extern Status GdipClosePathFigure (IntPtr path);
1194 [DllImport ("gdiplus.dll")]
1195 internal static extern Status GdipClosePathFigures (IntPtr path);
1196 [DllImport ("gdiplus.dll")]
1197 internal static extern Status GdipSetPathMarker (IntPtr path);
1198 [DllImport ("gdiplus.dll")]
1199 internal static extern Status GdipClearPathMarkers (IntPtr path);
1200 [DllImport ("gdiplus.dll")]
1201 internal static extern Status GdipReversePath (IntPtr path);
1202 [DllImport ("gdiplus.dll")]
1203 internal static extern Status GdipGetPathLastPoint (IntPtr path, out PointF lastPoint);
1204 [DllImport ("gdiplus.dll")]
1205 internal static extern Status GdipAddPathLine (IntPtr path, float x1, float y1, float x2, float y2);
1206 [DllImport ("gdiplus.dll")]
1207 internal static extern Status GdipAddPathArc (IntPtr path, float x, float y, float width, float height, float startAngle, float sweepAngle);
1208 [DllImport ("gdiplus.dll")]
1209 internal static extern Status GdipAddPathBezier (IntPtr path, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4);
1210 [DllImport ("gdiplus.dll")]
1211 internal static extern Status GdipAddPathBeziers (IntPtr path, PointF [] points, int count);
1212 [DllImport ("gdiplus.dll")]
1213 internal static extern Status GdipAddPathCurve (IntPtr path, PointF [] points, int count);
1214 [DllImport ("gdiplus.dll")]
1215 internal static extern Status GdipAddPathCurveI (IntPtr path, Point [] points, int count);
1216 [DllImport ("gdiplus.dll")]
1217 internal static extern Status GdipAddPathCurve2 (IntPtr path, PointF [] points, int count, float tension);
1218 [DllImport ("gdiplus.dll")]
1219 internal static extern Status GdipAddPathCurve2I (IntPtr path, Point [] points, int count, float tension);
1220 [DllImport ("gdiplus.dll")]
1221 internal static extern Status GdipAddPathCurve3 (IntPtr path, PointF [] points, int count, int offset, int numberOfSegments, float tension);
1222 [DllImport ("gdiplus.dll")]
1223 internal static extern Status GdipAddPathCurve3I (IntPtr path, Point [] points, int count, int offset, int numberOfSegments, float tension);
1224 [DllImport ("gdiplus.dll")]
1225 internal static extern Status GdipAddPathClosedCurve (IntPtr path, PointF [] points, int count);
1226 [DllImport ("gdiplus.dll")]
1227 internal static extern Status GdipAddPathClosedCurveI (IntPtr path, Point [] points, int count);
1228 [DllImport ("gdiplus.dll")]
1229 internal static extern Status GdipAddPathClosedCurve2 (IntPtr path, PointF [] points, int count, float tension);
1230 [DllImport ("gdiplus.dll")]
1231 internal static extern Status GdipAddPathClosedCurve2I (IntPtr path, Point [] points, int count, float tension);
1232 [DllImport ("gdiplus.dll")]
1233 internal static extern Status GdipAddPathRectangle (IntPtr path, float x, float y, float width, float height);
1234 [DllImport ("gdiplus.dll")]
1235 internal static extern Status GdipAddPathRectangles (IntPtr path, RectangleF [] rects, int count);
1236 [DllImport ("gdiplus.dll")]
1237 internal static extern Status GdipAddPathEllipse (IntPtr path, float x, float y, float width, float height);
1238 [DllImport ("gdiplus.dll")]
1239 internal static extern Status GdipAddPathEllipseI (IntPtr path, int x, int y, int width, int height);
1240 [DllImport ("gdiplus.dll")]
1241 internal static extern Status GdipAddPathPie (IntPtr path, float x, float y, float width, float height, float startAngle, float sweepAngle);
1242 [DllImport ("gdiplus.dll")]
1243 internal static extern Status GdipAddPathPieI (IntPtr path, int x, int y, int width, int height, float startAngle, float sweepAngle);
1244 [DllImport ("gdiplus.dll")]
1245 internal static extern Status GdipAddPathPolygon (IntPtr path, PointF [] points, int count);
1246 [DllImport ("gdiplus.dll")]
1247 internal static extern Status GdipAddPathPath (IntPtr path, IntPtr addingPath, bool connect);
1248 [DllImport ("gdiplus.dll")]
1249 internal static extern Status GdipAddPathLineI (IntPtr path, int x1, int y1, int x2, int y2);
1250 [DllImport ("gdiplus.dll")]
1251 internal static extern Status GdipAddPathArcI (IntPtr path, int x, int y, int width, int height, float startAngle, float sweepAngle);
1253 [DllImport ("gdiplus.dll")]
1254 internal static extern Status GdipAddPathBezierI (IntPtr path, int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4);
1255 [DllImport ("gdiplus.dll")]
1256 internal static extern Status GdipAddPathBeziersI (IntPtr path, Point [] points, int count);
1258 [DllImport ("gdiplus.dll")]
1259 internal static extern Status GdipAddPathPolygonI (IntPtr path, Point [] points, int count);
1260 [DllImport ("gdiplus.dll")]
1261 internal static extern Status GdipAddPathRectangleI (IntPtr path, int x, int y, int width, int height);
1262 [DllImport ("gdiplus.dll")]
1263 internal static extern Status GdipAddPathRectanglesI (IntPtr path, Rectangle [] rects, int count);
1264 [DllImport ("gdiplus.dll")]
1265 internal static extern Status GdipFlattenPath (IntPtr path, IntPtr matrix, float floatness);
1266 [DllImport ("gdiplus.dll")]
1267 internal static extern Status GdipTransformPath (IntPtr path, IntPtr matrix);
1268 [DllImport ("gdiplus.dll")]
1269 internal static extern Status GdipWarpPath (IntPtr path, IntPtr matrix,
1270 PointF [] points, int count,
1271 float srcx, float srcy, float srcwidth, float srcheight,
1272 WarpMode mode, float flatness);
1273 [DllImport ("gdiplus.dll")]
1274 internal static extern Status GdipWidenPath (IntPtr path, IntPtr pen, IntPtr matrix, float flatness);
1275 [DllImport ("gdiplus.dll")]
1276 internal static extern Status GdipGetPathWorldBounds (IntPtr path, out RectangleF bounds, IntPtr matrix, IntPtr pen);
1277 [DllImport ("gdiplus.dll")]
1278 internal static extern Status GdipGetPathWorldBoundsI (IntPtr path, out Rectangle bounds, IntPtr matrix, IntPtr pen);
1279 [DllImport ("gdiplus.dll")]
1280 internal static extern Status GdipIsVisiblePathPoint (IntPtr path, float x, float y, IntPtr graphics, out bool result);
1281 [DllImport ("gdiplus.dll")]
1282 internal static extern Status GdipIsVisiblePathPointI (IntPtr path, int x, int y, IntPtr graphics, out bool result);
1283 [DllImport ("gdiplus.dll")]
1284 internal static extern Status GdipIsOutlineVisiblePathPoint (IntPtr path, float x, float y, IntPtr graphics, out bool result);
1285 [DllImport ("gdiplus.dll")]
1286 internal static extern Status GdipIsOutlineVisiblePathPointI (IntPtr path, int x, int y, IntPtr graphics, out bool result);
1288 // GraphicsPathIterator
1289 [DllImport("gdiplus.dll")]
1290 internal static extern Status GdipCreatePathIter (out IntPtr iterator, IntPtr path);
1291 [DllImport("gdiplus.dll")]
1292 internal static extern Status GdipPathIterGetCount (IntPtr iterator, out int count);
1293 [DllImport("gdiplus.dll")]
1294 internal static extern Status GdipPathIterGetSubpathCount (IntPtr iterator, out int count);
1295 [DllImport("gdiplus.dll")]
1296 internal static extern Status GdipDeletePathIter (IntPtr iterator);
1297 [DllImport("gdiplus.dll")]
1298 internal static extern Status GdipPathIterCopyData (IntPtr iterator, out int resultCount, PointF [] points, byte [] types, int startIndex, int endIndex);
1299 [DllImport("gdiplus.dll")]
1300 internal static extern Status GdipPathIterEnumerate (IntPtr iterator, out int resultCount, PointF [] points, byte [] types, int count);
1301 [DllImport("gdiplus.dll")]
1302 internal static extern Status GdipPathIterHasCurve (IntPtr iterator, out bool curve);
1303 [DllImport("gdiplus.dll")]
1304 internal static extern Status GdipPathIterNextMarkerPath (IntPtr iterator, out int resultCount, IntPtr path);
1305 [DllImport("gdiplus.dll")]
1306 internal static extern Status GdipPathIterNextMarker (IntPtr iterator, out int resultCount, out int startIndex, out int endIndex);
1307 [DllImport("gdiplus.dll")]
1308 internal static extern Status GdipPathIterNextPathType (IntPtr iterator, out int resultCount, out byte pathType, out int startIndex, out int endIndex);
1309 [DllImport("gdiplus.dll")]
1310 internal static extern Status GdipPathIterNextSubpathPath (IntPtr iterator, out int resultCount, IntPtr path, out bool isClosed);
1311 [DllImport("gdiplus.dll")]
1312 internal static extern Status GdipPathIterNextSubpath (IntPtr iterator, out int resultCount, out int startIndex, out int endIndex, out bool isClosed);
1313 [DllImport("gdiplus.dll")]
1314 internal static extern Status GdipPathIterRewind (IntPtr iterator);
1317 [DllImport ("gdiplus.dll")]
1318 internal static extern Status GdipCreateImageAttributes (out IntPtr imageattr);
1320 [DllImport ("gdiplus.dll")]
1321 internal static extern Status GdipSetImageAttributesColorKeys (IntPtr imageattr,
1322 ColorAdjustType type, bool enableFlag, int colorLow, int colorHigh);
1324 [DllImport ("gdiplus.dll")]
1325 internal static extern Status GdipDisposeImageAttributes (IntPtr imageattr);
1327 [DllImport ("gdiplus.dll")]
1328 internal static extern Status GdipSetImageAttributesColorMatrix (IntPtr imageattr,
1329 ColorAdjustType type, bool enableFlag, ColorMatrix colorMatrix,
1330 ColorMatrix grayMatrix, ColorMatrixFlag flags);
1332 [DllImport ("gdiplus.dll")]
1333 internal static extern Status GdipSetImageAttributesGamma (IntPtr imageattr,
1334 ColorAdjustType type, bool enableFlag,
1337 [DllImport ("gdiplus.dll")]
1338 internal static extern Status GdipSetImageAttributesNoOp (IntPtr imageattr,
1339 ColorAdjustType type, bool enableFlag);
1341 [DllImport ("gdiplus.dll")]
1342 internal static extern Status GdipSetImageAttributesOutputChannel (IntPtr imageattr,
1343 ColorAdjustType type, bool enableFlag, ColorChannelFlag channelFlags);
1345 [DllImport ("gdiplus.dll", CharSet=CharSet.Auto)]
1346 internal static extern Status GdipSetImageAttributesOutputChannelColorProfile (IntPtr imageattr,
1347 ColorAdjustType type, bool enableFlag, [MarshalAs (UnmanagedType.LPWStr)] string profileName);
1349 [DllImport ("gdiplus.dll")]
1350 internal static extern Status GdipSetImageAttributesRemapTable (IntPtr imageattr,
1351 ColorAdjustType type, bool enableFlag, uint mapSize, IntPtr colorMap);
1353 [DllImport ("gdiplus.dll")]
1354 internal static extern Status GdipSetImageAttributesThreshold (IntPtr imageattr,
1355 ColorAdjustType type, bool enableFlag, float thresHold);
1357 [DllImport ("gdiplus.dll")]
1358 internal static extern Status GdipCloneImageAttributes(IntPtr imageattr, out IntPtr cloneImageattr);
1360 [DllImport ("gdiplus.dll")]
1361 internal static extern Status GdipGetImageAttributesAdjustedPalette(IntPtr imageattr,
1362 out IntPtr colorPalette, ColorAdjustType colorAdjustType);
1364 [DllImport ("gdiplus.dll")]
1365 internal static extern Status GdipSetImageAttributesWrapMode(IntPtr imageattr, WrapMode wrap,
1366 int argb, bool clamp);
1370 [DllImport("gdiplus.dll")]
1371 internal static extern Status GdipCreateFont (IntPtr fontFamily, float emSize, FontStyle style, GraphicsUnit unit, out IntPtr font);
1372 [DllImport("gdiplus.dll")]
1373 internal static extern Status GdipDeleteFont (IntPtr font);
1374 [DllImport("gdiplus.dll", CharSet=CharSet.Auto)]
1375 internal static extern Status GdipGetLogFont(IntPtr font, IntPtr graphics, [MarshalAs(UnmanagedType.AsAny), Out] object logfontA);
1377 [DllImport("gdiplus.dll")]
1378 internal static extern Status GdipCreateFontFromDC(IntPtr hdc, out IntPtr font);
1379 [DllImport("gdiplus.dll", SetLastError=true, CharSet=CharSet.Auto)]
1380 internal static extern Status GdipCreateFontFromLogfont(IntPtr hdc, ref LOGFONT lf, out IntPtr ptr);
1382 // These are our private functions, they exists in our own libgdiplus library, this way we
1383 // avoid relying on wine in System.Drawing
1384 [DllImport("gdiplus.dll")]
1385 internal static extern Status GdipGetHfont (IntPtr font, out IntPtr Hfont);
1386 [DllImport("gdiplus.dll", CharSet=CharSet.Ansi)]
1387 internal static extern Status GdipCreateFontFromHfont(IntPtr hdc, out IntPtr font, ref LOGFONT lf);
1389 // This is win32/gdi, not gdiplus, but it's easier to keep in here, also see above comment
1390 [DllImport("gdi32.dll", CallingConvention=CallingConvention.StdCall, CharSet = CharSet.Auto)]
1391 internal static extern IntPtr CreateFontIndirect (ref LOGFONT logfont);
1392 [DllImport("user32.dll", EntryPoint="GetDC", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
1393 internal static extern IntPtr GetDC(IntPtr hwnd);
1394 [DllImport("user32.dll", EntryPoint="ReleaseDC", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
1395 internal static extern int ReleaseDC(IntPtr hdc);
1396 [DllImport("gdi32.dll", EntryPoint="SelectObject", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
1397 internal static extern IntPtr SelectObject(IntPtr hdc, IntPtr obj);
1398 [DllImport("user32.dll", SetLastError=true)]
1399 internal static extern bool GetIconInfo (IntPtr hIcon, out IconInfo iconinfo);
1401 [DllImport("user32.dll")]
1402 internal static extern IntPtr GetDesktopWindow ();
1404 [DllImport("gdi32.dll", SetLastError=true)]
1405 public static extern int BitBlt(IntPtr hdcDest, int nXDest, int nYDest,
1406 int nWidth, int nHeight, IntPtr hdcSrc, int nXSrc, int nYSrc, int dwRop);
1409 // Some special X11 stuff
1410 [DllImport("libX11", EntryPoint="XOpenDisplay")]
1411 internal extern static IntPtr XOpenDisplay(IntPtr display);
1413 [DllImport("libX11", EntryPoint="XCloseDisplay")]
1414 internal extern static int XCloseDisplay(IntPtr display);
1416 [DllImport ("libX11", EntryPoint="XRootWindow")]
1417 internal extern static IntPtr XRootWindow(IntPtr display, int screen);
1419 [DllImport ("libX11", EntryPoint="XDefaultDepth")]
1420 internal extern static uint XDefaultDepth(IntPtr display, int screen);
1422 [DllImport ("libX11", EntryPoint="XGetImage")]
1423 internal extern static IntPtr XGetImage(IntPtr display, IntPtr drawable, int src_x, int src_y, int width, int height, int pane, int format);
1425 [DllImport ("libX11", EntryPoint="XGetPixel")]
1426 internal extern static int XGetPixel(IntPtr image, int x, int y);
1428 [DllImport ("libX11", EntryPoint="XDestroyImage")]
1429 internal extern static int XDestroyImage(IntPtr image);
1431 [DllImport ("libX11", EntryPoint="XDefaultVisual")]
1432 internal extern static IntPtr XDefaultVisual(IntPtr display, int screen);
1434 [DllImport ("libX11", EntryPoint="XGetVisualInfo")]
1435 internal extern static IntPtr XGetVisualInfo (IntPtr display, int vinfo_mask, ref XVisualInfo vinfo_template, ref int nitems);
1437 [DllImport ("libX11", EntryPoint="XVisualIDFromVisual")]
1438 internal extern static int XVisualIDFromVisual(IntPtr visual);
1442 [DllImport ("gdiplus.dll")]
1443 internal static extern Status GdipGetFontCollectionFamilyCount (IntPtr collection, out int found);
1445 [DllImport ("gdiplus.dll")]
1446 internal static extern Status GdipGetFontCollectionFamilyList (IntPtr collection, int getCount, IntPtr dest, out int retCount);
1447 //internal static extern Status GdipGetFontCollectionFamilyList( IntPtr collection, int getCount, [Out] FontFamily [] familyList, out int retCount );
1449 [DllImport ("gdiplus.dll")]
1450 internal static extern Status GdipNewInstalledFontCollection (out IntPtr collection);
1452 [DllImport ("gdiplus.dll")]
1453 internal static extern Status GdipNewPrivateFontCollection (out IntPtr collection);
1455 [DllImport ("gdiplus.dll")]
1456 internal static extern Status GdipDeletePrivateFontCollection (IntPtr collection);
1458 [DllImport ("gdiplus.dll", CharSet=CharSet.Auto)]
1459 internal static extern Status GdipPrivateAddFontFile (IntPtr collection,
1460 [MarshalAs (UnmanagedType.LPWStr)] string fileName );
1462 [DllImport ("gdiplus.dll")]
1463 internal static extern Status GdipPrivateAddMemoryFont (IntPtr collection, IntPtr mem, int length);
1466 [DllImport ("gdiplus.dll", CharSet=CharSet.Auto)]
1467 internal static extern Status GdipCreateFontFamilyFromName (
1468 [MarshalAs(UnmanagedType.LPWStr)] string fName, IntPtr collection, out IntPtr fontFamily);
1470 [DllImport ("gdiplus.dll")]
1471 internal static extern Status GdipGetFamilyName(IntPtr family, IntPtr fName, int language);
1473 [DllImport ("gdiplus.dll")]
1474 internal static extern Status GdipGetGenericFontFamilySansSerif (out IntPtr fontFamily);
1476 [DllImport ("gdiplus.dll")]
1477 internal static extern Status GdipGetGenericFontFamilySerif (out IntPtr fontFamily);
1479 [DllImport ("gdiplus.dll")]
1480 internal static extern Status GdipGetGenericFontFamilyMonospace (out IntPtr fontFamily);
1482 [DllImport ("gdiplus.dll")]
1483 internal static extern Status GdipGetCellAscent (IntPtr fontFamily, int style, out short ascent);
1485 [DllImport ("gdiplus.dll")]
1486 internal static extern Status GdipGetCellDescent (IntPtr fontFamily, int style, out short descent);
1488 [DllImport ("gdiplus.dll")]
1489 internal static extern Status GdipGetLineSpacing (IntPtr fontFamily, int style, out short spacing);
1491 [DllImport ("gdiplus.dll")]
1492 internal static extern Status GdipGetEmHeight (IntPtr fontFamily, int style, out short emHeight);
1494 [DllImport ("gdiplus.dll")]
1495 internal static extern Status GdipIsStyleAvailable (IntPtr fontFamily, int style, out bool styleAvailable);
1497 [DllImport ("gdiplus.dll")]
1498 internal static extern Status GdipDeleteFontFamily (IntPtr fontFamily);
1500 [DllImport ("gdiplus.dll")]
1501 internal static extern Status GdipGetFontSize (IntPtr font, out float size);
1503 [DllImport ("gdiplus.dll")]
1504 internal static extern Status GdipGetFontHeight (IntPtr font, IntPtr graphics, out float height);
1506 [DllImport ("gdiplus.dll")]
1507 internal static extern Status GdipGetFontHeightGivenDPI (IntPtr font, float dpi, out float height);
1511 [DllImport ("gdiplus.dll")]
1512 internal static extern Status GdipCreateStringFormat(int formatAttributes, int language, out IntPtr format);
1513 [DllImport ("gdiplus.dll")]
1514 internal static extern Status GdipStringFormatGetGenericDefault(out IntPtr format);
1515 [DllImport ("gdiplus.dll")]
1516 internal static extern Status GdipStringFormatGetGenericTypographic(out IntPtr format);
1517 [DllImport ("gdiplus.dll")]
1518 internal static extern Status GdipDeleteStringFormat(IntPtr format);
1519 [DllImport ("gdiplus.dll")]
1520 internal static extern Status GdipCloneStringFormat(IntPtr srcformat, out IntPtr format);
1521 [DllImport ("gdiplus.dll")]
1522 internal static extern Status GdipSetStringFormatFlags(IntPtr format, StringFormatFlags flags);
1523 [DllImport ("gdiplus.dll")]
1524 internal static extern Status GdipGetStringFormatFlags(IntPtr format, out StringFormatFlags flags);
1525 [DllImport ("gdiplus.dll")]
1526 internal static extern Status GdipSetStringFormatAlign(IntPtr format, StringAlignment align);
1527 [DllImport ("gdiplus.dll")]
1528 internal static extern Status GdipGetStringFormatAlign(IntPtr format, out StringAlignment align);
1529 [DllImport ("gdiplus.dll")]
1530 internal static extern Status GdipSetStringFormatLineAlign(IntPtr format, StringAlignment align);
1531 [DllImport ("gdiplus.dll")]
1532 internal static extern Status GdipGetStringFormatLineAlign(IntPtr format, out StringAlignment align);
1533 [DllImport ("gdiplus.dll")]
1534 internal static extern Status GdipSetStringFormatTrimming(IntPtr format, StringTrimming trimming);
1535 [DllImport ("gdiplus.dll")]
1536 internal static extern Status GdipGetStringFormatTrimming(IntPtr format, out StringTrimming trimming);
1537 [DllImport ("gdiplus.dll")]
1538 internal static extern Status GdipSetStringFormatHotkeyPrefix(IntPtr format, HotkeyPrefix hotkeyPrefix);
1539 [DllImport ("gdiplus.dll")]
1540 internal static extern Status GdipGetStringFormatHotkeyPrefix(IntPtr format, out HotkeyPrefix hotkeyPrefix);
1541 [DllImport ("gdiplus.dll")]
1542 internal static extern Status GdipSetStringFormatTabStops(IntPtr format, float firstTabOffset, int count, float [] tabStops);
1543 [DllImport ("gdiplus.dll")]
1544 internal static extern Status GdipGetStringFormatDigitSubstitution(IntPtr format, int language, out StringDigitSubstitute substitute);
1545 [DllImport ("gdiplus.dll")]
1546 internal static extern Status GdipSetStringFormatDigitSubstitution(IntPtr format, int language, StringDigitSubstitute substitute);
1547 [DllImport ("gdiplus.dll")]
1548 internal static extern Status GdipGetStringFormatTabStopCount(IntPtr format, out int count);
1549 [DllImport ("gdiplus.dll")]
1550 internal static extern Status GdipGetStringFormatTabStops(IntPtr format, int count, out float firstTabOffset, [In, Out] float [] tabStops);
1552 //ImageCodecInfo functions
1553 [DllImport("gdiplus.dll")]
1554 static internal extern Status GdipGetImageDecodersSize (out int decoderNums, out int arraySize);
1555 [DllImport("gdiplus.dll")]
1556 static internal extern Status GdipGetImageDecoders (int decoderNums, int arraySize, IntPtr decoders);
1557 [DllImport("gdiplus.dll")]
1558 static internal extern Status GdipGetImageEncodersSize (out int encoderNums, out int arraySize);
1559 [DllImport("gdiplus.dll")]
1560 static internal extern Status GdipGetImageEncoders (int encoderNums, int arraySize, IntPtr encoders);
1563 // These are stuff that is unix-only
1565 public delegate int StreamGetHeaderDelegate(IntPtr buf, int bufsz);
1566 public delegate int StreamGetBytesDelegate (IntPtr buf, int bufsz, bool peek);
1567 public delegate long StreamSeekDelegate (int offset, int whence);
1568 public delegate int StreamPutBytesDelegate (IntPtr buf, int bufsz);
1569 public delegate void StreamCloseDelegate ();
1570 public delegate long StreamSizeDelegate ();
1572 internal class GdiPlusStreamHelper
1574 public Stream stream;
1576 private StreamGetHeaderDelegate sghd = null;
1577 private StreamGetBytesDelegate sgbd = null;
1578 private StreamSeekDelegate skd = null;
1579 private StreamPutBytesDelegate spbd = null;
1580 private StreamCloseDelegate scd = null;
1581 private StreamSizeDelegate ssd = null;
1582 private byte[] start_buf;
1583 private int start_buf_pos;
1584 private int start_buf_len;
1586 public GdiPlusStreamHelper (Stream s)
1589 if (stream != null && stream.CanSeek) {
1590 stream.Seek (0, SeekOrigin.Begin);
1594 public int StreamGetHeaderImpl (IntPtr buf, int bufsz) {
1597 start_buf = new byte[bufsz];
1600 bytesRead = stream.Read (start_buf, 0, bufsz);
1601 } catch (IOException) {
1605 if (bytesRead > 0 && buf != IntPtr.Zero) {
1606 Marshal.Copy (start_buf, 0, (IntPtr) (buf.ToInt64()), bytesRead);
1610 start_buf_len = bytesRead;
1615 public StreamGetHeaderDelegate GetHeaderDelegate {
1617 if (stream != null && stream.CanRead) {
1619 sghd = new StreamGetHeaderDelegate (StreamGetHeaderImpl);
1627 public int StreamGetBytesImpl (IntPtr buf, int bufsz, bool peek)
1629 if (buf == IntPtr.Zero && peek) {
1633 byte[] managedBuf = new byte[bufsz];
1635 long streamPosition = 0;
1638 if (stream.CanSeek) {
1639 streamPosition = stream.Position;
1641 if (start_buf_len > 0) {
1642 if (start_buf_len > bufsz) {
1643 Array.Copy(start_buf, start_buf_pos, managedBuf, 0, bufsz);
1644 start_buf_pos += bufsz;
1645 start_buf_len -= bufsz;
1650 Array.Copy(start_buf, start_buf_pos, managedBuf, 0, start_buf_len);
1651 bufsz -= start_buf_len;
1652 bytesRead = start_buf_len;
1659 bytesRead += stream.Read (managedBuf, bytesRead, bufsz);
1660 } catch (IOException) {
1665 if (bytesRead > 0 && buf != IntPtr.Zero) {
1666 Marshal.Copy (managedBuf, 0, (IntPtr) (buf.ToInt64()), bytesRead);
1669 if (!stream.CanSeek && (bufsz == 10) && peek) {
1670 // Special 'hack' to support peeking of the type for gdi+ on non-seekable streams
1674 if (stream.CanSeek) {
1675 // If we are peeking bytes, then go back to original position before peeking
1676 stream.Seek (streamPosition, SeekOrigin.Begin);
1678 throw new NotSupportedException();
1686 public StreamGetBytesDelegate GetBytesDelegate {
1688 if (stream != null && stream.CanRead) {
1690 sgbd = new StreamGetBytesDelegate (StreamGetBytesImpl);
1698 public long StreamSeekImpl (int offset, int whence)
1702 retOffset = stream.Seek ((long) offset, SeekOrigin.Begin);
1703 } else if (whence == 1) {
1704 retOffset = stream.Seek ((long) offset, SeekOrigin.Current);
1705 } else if (whence == 2) {
1706 retOffset = stream.Seek ((long) offset, SeekOrigin.End);
1714 public StreamSeekDelegate SeekDelegate {
1716 if (stream != null && stream.CanSeek) {
1718 skd = new StreamSeekDelegate (StreamSeekImpl);
1726 public int StreamPutBytesImpl (IntPtr buf, int bufsz)
1728 byte[] managedBuf = new byte[bufsz];
1729 Marshal.Copy (buf, managedBuf, 0, bufsz);
1730 stream.Write (managedBuf, 0, bufsz);
1734 public StreamPutBytesDelegate PutBytesDelegate {
1736 if (stream != null && stream.CanWrite) {
1738 spbd = new StreamPutBytesDelegate (StreamPutBytesImpl);
1746 public void StreamCloseImpl ()
1751 public StreamCloseDelegate CloseDelegate {
1753 if (stream != null) {
1755 scd = new StreamCloseDelegate (StreamCloseImpl);
1763 public long StreamSizeImpl ()
1765 return stream.Length;
1768 public StreamSizeDelegate SizeDelegate {
1770 if (stream != null) {
1772 ssd = new StreamSizeDelegate (StreamSizeImpl);
1782 /* Mac only function calls */
1783 [DllImport("gdiplus.dll")]
1784 internal static extern Status GdipCreateFromQuartz_macosx (IntPtr cgref, int width, int height, out IntPtr graphics);
1786 /* Linux only function calls*/
1787 [DllImport("gdiplus.dll")]
1788 internal static extern Status GdipSetVisibleClip_linux (IntPtr graphics, ref Rectangle rect);
1790 [DllImport("gdiplus.dll")]
1791 internal static extern Status GdipCreateFromXDrawable_linux (IntPtr drawable, IntPtr display, out IntPtr graphics);
1793 // Stream functions for non-Win32 (libgdiplus specific(
1794 [DllImport("gdiplus.dll")]
1795 static internal extern Status GdipLoadImageFromDelegate_linux ( StreamGetHeaderDelegate getHeader, StreamGetBytesDelegate getBytes, StreamPutBytesDelegate putBytes,
1796 StreamSeekDelegate doSeek, StreamCloseDelegate close, StreamSizeDelegate size, out IntPtr image);
1797 [DllImport("gdiplus.dll")]
1798 static internal extern Status GdipSaveImageToDelegate_linux ( IntPtr image, StreamGetBytesDelegate getBytes, StreamPutBytesDelegate putBytes,
1799 StreamSeekDelegate doSeek, StreamCloseDelegate close, StreamSizeDelegate size, ref Guid encoderClsID, IntPtr encoderParameters );