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)
9 // Peter Dennis Bartok (pbartok@novell.com)
11 // Copyright (C) 2004 - 2006 Novell, Inc (http://www.novell.com)
13 // Permission is hereby granted, free of charge, to any person obtaining
14 // a copy of this software and associated documentation files (the
15 // "Software"), to deal in the Software without restriction, including
16 // without limitation the rights to use, copy, modify, merge, publish,
17 // distribute, sublicense, and/or sell copies of the Software, and to
18 // permit persons to whom the Software is furnished to do so, subject to
19 // the following conditions:
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
35 using System.Runtime.InteropServices;
37 using System.Drawing.Drawing2D;
38 using System.Drawing.Imaging;
39 using System.Drawing.Text;
40 using System.Security;
42 using System.Runtime.InteropServices.ComTypes;
44 using IStream = System.Runtime.InteropServices.UCOMIStream;
47 namespace System.Drawing
50 /// GDI+ API Functions
52 [SuppressUnmanagedCodeSecurity]
53 internal class GDIPlus
55 public const int FACESIZE = 32;
56 public const int LANG_NEUTRAL = 0;
57 public static IntPtr Display = IntPtr.Zero;
58 public static bool UseX11Drawable;
59 public static bool UseQuartzDrawable = (Environment.GetEnvironmentVariable ("MONO_MWF_USE_QUARTZ_BACKEND") != null);
60 public static bool UseCocoaDrawable = (Environment.GetEnvironmentVariable ("MONO_GDIP_USE_COCOA_BACKEND") != null);
62 #region gdiplus.dll functions
65 [DllImport("gdiplus.dll")]
66 static internal extern Status GdiplusStartup(ref ulong token, ref GdiplusStartupInput input, ref GdiplusStartupOutput output);
67 [DllImport("gdiplus.dll")]
68 static internal extern void GdiplusShutdown(ref ulong token);
70 internal static ulong GdiPlusToken = 0;
72 static void ProcessExit (object sender, EventArgs e)
74 // Called all pending objects and claim any pending handle before
77 GC.WaitForPendingFinalizers ();
81 // This causes crashes in MS GDI+ because this call occurs before
82 // all managed GDI objects are finalized. When they are finalized they call
83 // into a shutdown GDI+ and we crash.
84 //GdiplusShutdown (ref GdiPlusToken);
86 // This causes crashes in Mono libgdiplus because this call
87 // occurs before all managed GDI objects are finalized
88 // When they are finalized they use the closed display and
90 //if (UseX11Drawable && Display != IntPtr.Zero) {
91 // XCloseDisplay (Display);
98 // check for Unix platforms - see FAQ for more details
99 // http://www.mono-project.com/FAQ:_Technical#How_to_detect_the_execution_platform_.3F
100 int platform = (int) Environment.OSVersion.Platform;
101 UseX11Drawable = ((platform == 4) || (platform == 128));
103 GdiplusStartupInput input = GdiplusStartupInput.MakeGdiplusStartupInput();
104 GdiplusStartupOutput output = GdiplusStartupOutput.MakeGdiplusStartupOutput();
106 GdiplusStartup (ref GdiPlusToken, ref input, ref output);
108 catch (TypeInitializationException) {
109 Console.Error.WriteLine (
110 "* ERROR: Can not initialize GDI+ library\n" +
112 "Please check http://www.mono-project.com/Problem:GDIPlusInit for details");
115 AppDomain.CurrentDomain.ProcessExit += new EventHandler (ProcessExit);
118 // Copies a Ptr to an array of Points and releases the memory
119 static public void FromUnManagedMemoryToPointI(IntPtr prt, Point [] pts)
121 int nPointSize = Marshal.SizeOf(pts[0]);
123 for (int i=0; i<pts.Length; i++, pos = new IntPtr (pos.ToInt64 () + nPointSize))
124 pts[i] = (Point) Marshal.PtrToStructure(pos, typeof(Point));
126 Marshal.FreeHGlobal(prt);
129 // Copies a Ptr to an array of Points and releases the memory
130 static public void FromUnManagedMemoryToPoint (IntPtr prt, PointF [] pts)
132 int nPointSize = Marshal.SizeOf(pts[0]);
134 for (int i=0; i<pts.Length; i++, pos = new IntPtr (pos.ToInt64 () + nPointSize))
135 pts[i] = (PointF) Marshal.PtrToStructure(pos, typeof(Point));
137 Marshal.FreeHGlobal(prt);
140 // Copies an array of Points to unmanaged memory
141 static public IntPtr FromPointToUnManagedMemoryI(Point [] pts)
143 int nPointSize = Marshal.SizeOf(pts[0]);
144 IntPtr dest = Marshal.AllocHGlobal(nPointSize* pts.Length);
146 for (int i=0; i<pts.Length; i++, pos = new IntPtr (pos.ToInt64 () + nPointSize))
147 Marshal.StructureToPtr(pts[i], pos, false);
152 // Copies a Ptr to an array of v and releases the memory
153 static public void FromUnManagedMemoryToRectangles (IntPtr prt, RectangleF [] pts)
155 int nPointSize = Marshal.SizeOf (pts[0]);
157 for (int i = 0; i < pts.Length; i++, pos = new IntPtr (pos.ToInt64 () + nPointSize))
158 pts[i] = (RectangleF) Marshal.PtrToStructure(pos, typeof(RectangleF));
160 Marshal.FreeHGlobal(prt);
163 // Copies an array of Points to unmanaged memory
164 static public IntPtr FromPointToUnManagedMemory(PointF [] pts)
166 int nPointSize = Marshal.SizeOf(pts[0]);
167 IntPtr dest = Marshal.AllocHGlobal(nPointSize* pts.Length);
169 for (int i=0; i<pts.Length; i++, pos = new IntPtr (pos.ToInt64 () + nPointSize))
170 Marshal.StructureToPtr(pts[i], pos, false);
175 // Converts a status into exception
176 static internal void CheckStatus (Status status)
183 // TODO: Add more status code mappings here
185 case Status.GenericError:
186 throw new Exception ("Generic Error.");
188 case Status.InvalidParameter:
189 throw new ArgumentException ("Invalid Parameter. A null reference or invalid value was found.");
191 case Status.OutOfMemory:
192 throw new OutOfMemoryException ("Out of memory.");
194 case Status.ObjectBusy:
195 throw new MemberAccessException ("Object busy.");
197 case Status.InsufficientBuffer:
198 throw new IO.InternalBufferOverflowException ("Insufficient buffer.");
200 case Status.PropertyNotSupported:
201 throw new NotSupportedException ("Property not supported.");
203 case Status.FileNotFound:
204 throw new IO.FileNotFoundException ("File not found.");
206 case Status.AccessDenied:
207 throw new UnauthorizedAccessException ("Access denied.");
209 case Status.UnknownImageFormat:
210 throw new NotSupportedException ("Either image format is unknown or you don't have the required libraries for this format.");
212 case Status.NotImplemented:
213 throw new NotImplementedException ("Feature not implemented.");
215 case Status.WrongState:
216 throw new ArgumentException ("Properties not set properly.");
218 case Status.FontFamilyNotFound:
219 throw new ArgumentException ("FontFamily wasn't found.");
221 case Status.ValueOverflow:
222 throw new OverflowException ("Argument out of range.");
225 throw new Exception ("Unknown Error.");
231 [DllImport("gdiplus.dll")]
232 static internal extern IntPtr GdipAlloc (int size);
233 [DllImport("gdiplus.dll")]
234 static internal extern void GdipFree (IntPtr ptr);
238 [DllImport("gdiplus.dll")]
239 static internal extern Status GdipCloneBrush (IntPtr brush, out IntPtr clonedBrush);
240 [DllImport("gdiplus.dll")]
241 static internal extern Status GdipDeleteBrush (IntPtr brush);
242 [DllImport("gdiplus.dll")]
243 static internal extern Status GdipGetBrushType (IntPtr brush, out BrushType type);
247 [DllImport("gdiplus.dll")]
248 static internal extern Status GdipCreateRegion (out IntPtr region);
250 [DllImport("gdiplus.dll")]
251 static internal extern Status GdipCreateRegionRgnData (byte[] data, int size, out IntPtr region);
253 [DllImport("gdiplus.dll")]
254 static internal extern Status GdipDeleteRegion (IntPtr region);
256 [DllImport("gdiplus.dll")]
257 static internal extern Status GdipCloneRegion (IntPtr region, out IntPtr cloned);
259 [DllImport("gdiplus.dll")]
260 static internal extern Status GdipCreateRegionRect (ref RectangleF rect, out IntPtr region);
262 [DllImport("gdiplus.dll")]
263 static internal extern Status GdipCreateRegionRectI (ref Rectangle rect, out IntPtr region);
265 [DllImport("gdiplus.dll")]
266 static internal extern Status GdipCreateRegionPath (IntPtr path, out IntPtr region);
268 [DllImport("gdiplus.dll")]
269 static internal extern Status GdipTranslateRegion (IntPtr region, float dx, float dy);
271 [DllImport("gdiplus.dll")]
272 static internal extern Status GdipTranslateRegionI (IntPtr region, int dx, int dy);
274 [DllImport("gdiplus.dll")]
275 static internal extern Status GdipIsVisibleRegionPoint (IntPtr region, float x, float y,
276 IntPtr graphics, out bool result);
278 [DllImport("gdiplus.dll")]
279 static internal extern Status GdipIsVisibleRegionPointI (IntPtr region, int x, int y,
280 IntPtr graphics, out bool result);
282 [DllImport("gdiplus.dll")]
283 static internal extern Status GdipIsVisibleRegionRect (IntPtr region, float x, float y, float width,
284 float height, IntPtr graphics, out bool result);
286 [DllImport("gdiplus.dll")]
287 static internal extern Status GdipIsVisibleRegionRectI (IntPtr region, int x, int y, int width,
288 int height, IntPtr graphics, out bool result);
291 [DllImport("gdiplus.dll")]
292 static internal extern Status GdipCombineRegionRect (IntPtr region, ref RectangleF rect,
293 CombineMode combineMode);
295 [DllImport("gdiplus.dll")]
296 static internal extern Status GdipCombineRegionRectI (IntPtr region, ref Rectangle rect,
297 CombineMode combineMode);
299 [DllImport("gdiplus.dll")]
300 static internal extern Status GdipCombineRegionPath (IntPtr region, IntPtr path, CombineMode combineMode);
302 [DllImport("gdiplus.dll")]
303 static internal extern Status GdipGetRegionBounds (IntPtr region, IntPtr graphics, ref RectangleF rect);
305 [DllImport("gdiplus.dll")]
306 static internal extern Status GdipSetInfinite (IntPtr region);
308 [DllImport("gdiplus.dll")]
309 static internal extern Status GdipSetEmpty (IntPtr region);
311 [DllImport("gdiplus.dll")]
312 static internal extern Status GdipIsEmptyRegion (IntPtr region, IntPtr graphics, out bool result);
314 [DllImport("gdiplus.dll")]
315 static internal extern Status GdipIsInfiniteRegion (IntPtr region, IntPtr graphics, out bool result);
317 [DllImport("gdiplus.dll")]
318 static internal extern Status GdipCombineRegionRegion (IntPtr region, IntPtr region2,
319 CombineMode combineMode);
321 [DllImport("gdiplus.dll")]
322 static internal extern Status GdipIsEqualRegion (IntPtr region, IntPtr region2,
323 IntPtr graphics, out bool result);
325 [DllImport("gdiplus.dll")]
326 static internal extern Status GdipGetRegionDataSize (IntPtr region, out int bufferSize);
328 [DllImport("gdiplus.dll")]
329 static internal extern Status GdipGetRegionData (IntPtr region, byte[] buffer, int bufferSize,
332 [DllImport("gdiplus.dll")]
333 static internal extern Status GdipGetRegionScansCount (IntPtr region, out int count, IntPtr matrix);
335 [DllImport("gdiplus.dll")]
336 static internal extern Status GdipGetRegionScans (IntPtr region, IntPtr rects, out int count,
339 [DllImport("gdiplus.dll")]
340 static internal extern Status GdipTransformRegion(IntPtr region, IntPtr matrix);
342 [DllImport("gdiplus.dll")]
343 static internal extern Status GdipFillRegion(IntPtr graphics, IntPtr brush, IntPtr region);
345 [DllImport("gdiplus.dll")]
346 static internal extern Status GdipGetRegionHRgn (IntPtr region, IntPtr graphics, ref IntPtr hRgn);
348 [DllImport("gdiplus.dll")]
349 static internal extern Status GdipCreateRegionHrgn (IntPtr hRgn, out IntPtr region);
351 // Solid brush functions
352 [DllImport("gdiplus.dll")]
353 static internal extern Status GdipCreateSolidFill (int color, out IntPtr brush);
354 [DllImport("gdiplus.dll")]
355 static internal extern Status GdipGetSolidFillColor (IntPtr brush, out int color);
356 [DllImport("gdiplus.dll")]
357 static internal extern Status GdipSetSolidFillColor (IntPtr brush, int color);
359 // Hatch Brush functions
360 [DllImport("gdiplus.dll")]
361 static internal extern Status GdipCreateHatchBrush (HatchStyle hatchstyle, int foreColor, int backColor, out IntPtr brush);
362 [DllImport("gdiplus.dll")]
363 static internal extern Status GdipGetHatchStyle (IntPtr brush, out HatchStyle hatchstyle);
364 [DllImport("gdiplus.dll")]
365 static internal extern Status GdipGetHatchForegroundColor (IntPtr brush, out int foreColor);
366 [DllImport("gdiplus.dll")]
367 static internal extern Status GdipGetHatchBackgroundColor (IntPtr brush, out int backColor);
369 // Texture brush functions
370 [DllImport("gdiplus.dll")]
371 static internal extern Status GdipGetTextureImage (IntPtr texture, out IntPtr image);
372 [DllImport("gdiplus.dll")]
373 static internal extern Status GdipCreateTexture (IntPtr image, WrapMode wrapMode, out IntPtr texture);
374 [DllImport("gdiplus.dll")]
375 static internal extern Status GdipCreateTextureIAI (IntPtr image, IntPtr imageAttributes, int x, int y, int width, int height, out IntPtr texture);
376 [DllImport("gdiplus.dll")]
377 static internal extern Status GdipCreateTextureIA (IntPtr image, IntPtr imageAttributes, float x, float y, float width, float height, out IntPtr texture);
378 [DllImport("gdiplus.dll")]
379 static internal extern Status GdipCreateTexture2I (IntPtr image, WrapMode wrapMode, int x, int y, int width, int height, out IntPtr texture);
380 [DllImport("gdiplus.dll")]
381 static internal extern Status GdipCreateTexture2 (IntPtr image, WrapMode wrapMode, float x, float y, float width, float height, out IntPtr texture);
382 [DllImport("gdiplus.dll")]
383 static internal extern Status GdipGetTextureTransform (IntPtr texture, IntPtr matrix);
384 [DllImport("gdiplus.dll")]
385 static internal extern Status GdipSetTextureTransform (IntPtr texture, IntPtr matrix);
386 [DllImport("gdiplus.dll")]
387 static internal extern Status GdipGetTextureWrapMode (IntPtr texture, out WrapMode wrapMode);
388 [DllImport("gdiplus.dll")]
389 static internal extern Status GdipSetTextureWrapMode (IntPtr texture, WrapMode wrapMode);
390 [DllImport("gdiplus.dll")]
391 static internal extern Status GdipMultiplyTextureTransform (IntPtr texture, IntPtr matrix, MatrixOrder order);
392 [DllImport("gdiplus.dll")]
393 static internal extern Status GdipResetTextureTransform (IntPtr texture);
394 [DllImport("gdiplus.dll")]
395 static internal extern Status GdipRotateTextureTransform (IntPtr texture, float angle, MatrixOrder order);
396 [DllImport("gdiplus.dll")]
397 static internal extern Status GdipScaleTextureTransform (IntPtr texture, float sx, float sy, MatrixOrder order);
398 [DllImport("gdiplus.dll")]
399 static internal extern Status GdipTranslateTextureTransform (IntPtr texture, float dx, float dy, MatrixOrder order);
401 // PathGradientBrush functions
402 [DllImport("gdiplus.dll")]
403 static internal extern Status GdipCreatePathGradientFromPath (IntPtr path, out IntPtr brush);
404 [DllImport("gdiplus.dll")]
405 static internal extern Status GdipCreatePathGradientI (Point [] points, int count, WrapMode wrapMode, out IntPtr brush);
406 [DllImport("gdiplus.dll")]
407 static internal extern Status GdipCreatePathGradient (PointF [] points, int count, WrapMode wrapMode, out IntPtr brush);
408 [DllImport("gdiplus.dll")]
409 static internal extern Status GdipGetPathGradientBlendCount (IntPtr brush, out int count);
410 [DllImport("gdiplus.dll")]
411 static internal extern Status GdipGetPathGradientBlend (IntPtr brush, float [] blend, float [] positions, int count);
412 [DllImport("gdiplus.dll")]
413 static internal extern Status GdipSetPathGradientBlend (IntPtr brush, float [] blend, float [] positions, int count);
414 [DllImport("gdiplus.dll")]
415 static internal extern Status GdipGetPathGradientCenterColor (IntPtr brush, out int color);
416 [DllImport("gdiplus.dll")]
417 static internal extern Status GdipSetPathGradientCenterColor (IntPtr brush, int color);
418 [DllImport("gdiplus.dll")]
419 static internal extern Status GdipGetPathGradientCenterPoint (IntPtr brush, out PointF point);
420 [DllImport("gdiplus.dll")]
421 static internal extern Status GdipSetPathGradientCenterPoint (IntPtr brush, ref PointF point);
422 [DllImport("gdiplus.dll")]
423 static internal extern Status GdipGetPathGradientFocusScales (IntPtr brush, out float xScale, out float yScale);
424 [DllImport("gdiplus.dll")]
425 static internal extern Status GdipSetPathGradientFocusScales (IntPtr brush, float xScale, float yScale);
426 [DllImport("gdiplus.dll")]
427 static internal extern Status GdipGetPathGradientPresetBlendCount (IntPtr brush, out int count);
428 [DllImport("gdiplus.dll")]
429 static internal extern Status GdipGetPathGradientPresetBlend (IntPtr brush, int [] blend, float [] positions, int count);
430 [DllImport("gdiplus.dll")]
431 static internal extern Status GdipSetPathGradientPresetBlend (IntPtr brush, int [] blend, float [] positions, int count);
432 [DllImport("gdiplus.dll")]
433 static internal extern Status GdipGetPathGradientRect (IntPtr brush, out RectangleF rect);
434 [DllImport("gdiplus.dll")]
435 static internal extern Status GdipGetPathGradientSurroundColorCount (IntPtr brush, out int count);
436 [DllImport("gdiplus.dll")]
437 static internal extern Status GdipGetPathGradientSurroundColorsWithCount (IntPtr brush, int [] color, ref int count);
438 [DllImport("gdiplus.dll")]
439 static internal extern Status GdipSetPathGradientSurroundColorsWithCount (IntPtr brush, int [] color, ref int count);
440 [DllImport("gdiplus.dll")]
441 static internal extern Status GdipGetPathGradientTransform (IntPtr brush, IntPtr matrix);
442 [DllImport("gdiplus.dll")]
443 static internal extern Status GdipSetPathGradientTransform (IntPtr brush, IntPtr matrix);
444 [DllImport("gdiplus.dll")]
445 static internal extern Status GdipGetPathGradientWrapMode (IntPtr brush, out WrapMode wrapMode);
446 [DllImport("gdiplus.dll")]
447 static internal extern Status GdipSetPathGradientWrapMode (IntPtr brush, WrapMode wrapMode);
448 [DllImport("gdiplus.dll")]
449 static internal extern Status GdipSetPathGradientLinearBlend (IntPtr brush, float focus, float scale);
450 [DllImport("gdiplus.dll")]
451 static internal extern Status GdipSetPathGradientSigmaBlend (IntPtr brush, float focus, float scale);
452 [DllImport("gdiplus.dll")]
453 static internal extern Status GdipMultiplyPathGradientTransform (IntPtr texture, IntPtr matrix, MatrixOrder order);
454 [DllImport("gdiplus.dll")]
455 static internal extern Status GdipResetPathGradientTransform (IntPtr brush);
456 [DllImport("gdiplus.dll")]
457 static internal extern Status GdipRotatePathGradientTransform (IntPtr brush, float angle, MatrixOrder order);
458 [DllImport("gdiplus.dll")]
459 static internal extern Status GdipScalePathGradientTransform (IntPtr brush, float sx, float sy, MatrixOrder order);
460 [DllImport("gdiplus.dll")]
461 static internal extern Status GdipTranslatePathGradientTransform (IntPtr brush, float dx, float dy, MatrixOrder order);
463 // LinearGradientBrush functions
464 [DllImport("gdiplus.dll")]
465 static internal extern Status GdipCreateLineBrushI (ref Point point1, ref Point point2, int color1, int color2, WrapMode wrapMode, out IntPtr brush);
466 [DllImport("gdiplus.dll")]
467 static internal extern Status GdipCreateLineBrush (ref PointF point1, ref PointF point2, int color1, int color2, WrapMode wrapMode, out IntPtr brush);
468 [DllImport("gdiplus.dll")]
469 static internal extern Status GdipCreateLineBrushFromRectI (ref Rectangle rect, int color1, int color2, LinearGradientMode linearGradientMode, WrapMode wrapMode, out IntPtr brush);
470 [DllImport("gdiplus.dll")]
471 static internal extern Status GdipCreateLineBrushFromRect (ref RectangleF rect, int color1, int color2, LinearGradientMode linearGradientMode, WrapMode wrapMode, out IntPtr brush);
472 [DllImport("gdiplus.dll")]
473 static internal extern Status GdipCreateLineBrushFromRectWithAngleI (ref Rectangle rect, int color1, int color2, float angle, bool isAngleScaleable, WrapMode wrapMode, out IntPtr brush);
474 [DllImport("gdiplus.dll")]
475 static internal extern Status GdipCreateLineBrushFromRectWithAngle (ref RectangleF rect, int color1, int color2, float angle, bool isAngleScaleable, WrapMode wrapMode, out IntPtr brush);
476 [DllImport("gdiplus.dll")]
477 static internal extern Status GdipGetLineBlendCount (IntPtr brush, out int count);
478 [DllImport("gdiplus.dll")]
479 static internal extern Status GdipSetLineBlend (IntPtr brush, float [] blend, float [] positions, int count);
480 [DllImport("gdiplus.dll")]
481 static internal extern Status GdipGetLineBlend (IntPtr brush, float [] blend, float [] positions, int count);
482 [DllImport("gdiplus.dll")]
483 static internal extern Status GdipSetLineGammaCorrection (IntPtr brush, bool useGammaCorrection);
484 [DllImport("gdiplus.dll")]
485 static internal extern Status GdipGetLineGammaCorrection (IntPtr brush, out bool useGammaCorrection);
486 [DllImport("gdiplus.dll")]
487 static internal extern Status GdipGetLinePresetBlendCount (IntPtr brush, out int count);
488 [DllImport("gdiplus.dll")]
489 static internal extern Status GdipSetLinePresetBlend (IntPtr brush, int [] blend, float [] positions, int count);
490 [DllImport("gdiplus.dll")]
491 static internal extern Status GdipGetLinePresetBlend (IntPtr brush, int [] blend, float [] positions, int count);
492 [DllImport("gdiplus.dll")]
493 static internal extern Status GdipSetLineColors (IntPtr brush, int color1, int color2);
494 [DllImport("gdiplus.dll")]
495 static internal extern Status GdipGetLineColors (IntPtr brush, int [] colors);
496 [DllImport("gdiplus.dll")]
497 static internal extern Status GdipGetLineRectI (IntPtr brush, out Rectangle rect);
498 [DllImport("gdiplus.dll")]
499 static internal extern Status GdipGetLineRect (IntPtr brush, out RectangleF rect);
500 [DllImport("gdiplus.dll")]
501 static internal extern Status GdipSetLineTransform (IntPtr brush, IntPtr matrix);
502 [DllImport("gdiplus.dll")]
503 static internal extern Status GdipGetLineTransform (IntPtr brush, IntPtr matrix);
504 [DllImport("gdiplus.dll")]
505 static internal extern Status GdipSetLineWrapMode (IntPtr brush, WrapMode wrapMode);
506 [DllImport("gdiplus.dll")]
507 static internal extern Status GdipGetLineWrapMode (IntPtr brush, out WrapMode wrapMode);
508 [DllImport("gdiplus.dll")]
509 static internal extern Status GdipSetLineLinearBlend (IntPtr brush, float focus, float scale);
510 [DllImport("gdiplus.dll")]
511 static internal extern Status GdipSetLineSigmaBlend (IntPtr brush, float focus, float scale);
512 [DllImport("gdiplus.dll")]
513 static internal extern Status GdipMultiplyLineTransform (IntPtr brush, IntPtr matrix, MatrixOrder order);
514 [DllImport("gdiplus.dll")]
515 static internal extern Status GdipResetLineTransform (IntPtr brush);
516 [DllImport("gdiplus.dll")]
517 static internal extern Status GdipRotateLineTransform (IntPtr brush, float angle, MatrixOrder order);
518 [DllImport("gdiplus.dll")]
519 static internal extern Status GdipScaleLineTransform (IntPtr brush, float sx, float sy, MatrixOrder order);
520 [DllImport("gdiplus.dll")]
521 static internal extern Status GdipTranslateLineTransform (IntPtr brush, float dx, float dy, MatrixOrder order);
523 // Graphics functions
524 [DllImport("gdiplus.dll")]
525 static internal extern Status GdipCreateFromHDC(IntPtr hDC, out IntPtr graphics);
526 [DllImport("gdiplus.dll")]
527 static internal extern Status GdipDeleteGraphics(IntPtr graphics);
528 [DllImport("gdiplus.dll")]
529 static internal extern Status GdipRestoreGraphics(IntPtr graphics, uint graphicsState);
530 [DllImport("gdiplus.dll")]
531 static internal extern Status GdipSaveGraphics(IntPtr graphics, out uint state);
532 [DllImport("gdiplus.dll")]
533 static internal extern Status GdipMultiplyWorldTransform (IntPtr graphics, IntPtr matrix, MatrixOrder order);
535 [DllImport("gdiplus.dll")]
536 static internal extern Status GdipRotateWorldTransform(IntPtr graphics, float angle, MatrixOrder order);
537 [DllImport("gdiplus.dll")]
538 static internal extern Status GdipTranslateWorldTransform(IntPtr graphics, float dx, float dy, MatrixOrder order);
539 [DllImport("gdiplus.dll")]
540 static internal extern Status GdipDrawArc (IntPtr graphics, IntPtr pen, float x, float y, float width, float height, float startAngle, float sweepAngle);
541 [DllImport("gdiplus.dll")]
542 static internal extern Status GdipDrawArcI (IntPtr graphics, IntPtr pen, int x, int y, int width, int height, float startAngle, float sweepAngle);
543 [DllImport("gdiplus.dll")]
544 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);
545 [DllImport("gdiplus.dll")]
546 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);
547 [DllImport("gdiplus.dll")]
548 static internal extern Status GdipDrawEllipseI (IntPtr graphics, IntPtr pen, int x, int y, int width, int height);
549 [DllImport("gdiplus.dll")]
550 static internal extern Status GdipDrawEllipse (IntPtr graphics, IntPtr pen, float x, float y, float width, float height);
551 [DllImport("gdiplus.dll")]
552 static internal extern Status GdipDrawLine (IntPtr graphics, IntPtr pen, float x1, float y1, float x2, float y2);
553 [DllImport("gdiplus.dll")]
554 static internal extern Status GdipDrawLineI (IntPtr graphics, IntPtr pen, int x1, int y1, int x2, int y2);
555 [DllImport ("gdiplus.dll")]
556 static internal extern Status GdipDrawLines (IntPtr graphics, IntPtr pen, PointF [] points, int count);
557 [DllImport ("gdiplus.dll")]
558 static internal extern Status GdipDrawLinesI (IntPtr graphics, IntPtr pen, Point [] points, int count);
559 [DllImport ("gdiplus.dll")]
560 static internal extern Status GdipDrawPath (IntPtr graphics, IntPtr pen, IntPtr path);
561 [DllImport ("gdiplus.dll")]
562 static internal extern Status GdipDrawPie (IntPtr graphics, IntPtr pen, float x, float y, float width, float height, float startAngle, float sweepAngle);
563 [DllImport ("gdiplus.dll")]
564 static internal extern Status GdipDrawPieI (IntPtr graphics, IntPtr pen, int x, int y, int width, int height, float startAngle, float sweepAngle);
565 [DllImport ("gdiplus.dll")]
566 static internal extern Status GdipDrawPolygon (IntPtr graphics, IntPtr pen, PointF [] points, int count);
567 [DllImport ("gdiplus.dll")]
568 static internal extern Status GdipDrawPolygonI (IntPtr graphics, IntPtr pen, Point [] points, int count);
569 [DllImport ("gdiplus.dll")]
570 static internal extern Status GdipDrawRectangle (IntPtr graphics, IntPtr pen, float x, float y, float width, float height);
571 [DllImport ("gdiplus.dll")]
572 static internal extern Status GdipDrawRectangleI (IntPtr graphics, IntPtr pen, int x, int y, int width, int height);
573 [DllImport ("gdiplus.dll")]
574 static internal extern Status GdipDrawRectangles (IntPtr graphics, IntPtr pen, RectangleF [] rects, int count);
575 [DllImport ("gdiplus.dll")]
576 static internal extern Status GdipDrawRectanglesI (IntPtr graphics, IntPtr pen, Rectangle [] rects, int count);
577 [DllImport("gdiplus.dll")]
578 static internal extern Status GdipFillEllipseI (IntPtr graphics, IntPtr pen, int x, int y, int width, int height);
579 [DllImport("gdiplus.dll")]
580 static internal extern Status GdipFillEllipse (IntPtr graphics, IntPtr pen, float x, float y, float width, float height);
581 [DllImport ("gdiplus.dll")]
582 static internal extern Status GdipFillPolygon (IntPtr graphics, IntPtr brush, PointF [] points, int count, FillMode fillMode);
583 [DllImport ("gdiplus.dll")]
584 static internal extern Status GdipFillPolygonI (IntPtr graphics, IntPtr brush, Point [] points, int count, FillMode fillMode);
585 [DllImport ("gdiplus.dll")]
586 static internal extern Status GdipFillPolygon2 (IntPtr graphics, IntPtr brush, PointF [] points, int count);
587 [DllImport ("gdiplus.dll")]
588 static internal extern Status GdipFillPolygon2I (IntPtr graphics, IntPtr brush, Point [] points, int count);
589 [DllImport("gdiplus.dll")]
590 static internal extern Status GdipFillRectangle (IntPtr graphics, IntPtr brush, float x1, float y1, float x2, float y2);
591 [DllImport("gdiplus.dll")]
592 static internal extern Status GdipFillRectangleI (IntPtr graphics, IntPtr brush, int x1, int y1, int x2, int y2);
593 [DllImport("gdiplus.dll")]
594 static internal extern Status GdipFillRectangles (IntPtr graphics, IntPtr brush, RectangleF [] rects, int count);
595 [DllImport("gdiplus.dll")]
596 static internal extern Status GdipFillRectanglesI (IntPtr graphics, IntPtr brush, Rectangle [] rects, int count);
597 [DllImport("gdiplus.dll", CharSet=CharSet.Unicode)]
598 static internal extern Status GdipDrawString (IntPtr graphics, string text, int len, IntPtr font, ref RectangleF rc, IntPtr format, IntPtr brush);
599 [DllImport("gdiplus.dll")]
600 static internal extern Status GdipGetDC (IntPtr graphics, out IntPtr hdc);
601 [DllImport("gdiplus.dll")]
602 static internal extern Status GdipReleaseDC (IntPtr graphics, IntPtr hdc);
603 [DllImport("gdiplus.dll")]
604 static internal extern Status GdipDrawImageRectI (IntPtr graphics, IntPtr image, int x, int y, int width, int height);
605 [DllImport ("gdiplus.dll")]
606 static internal extern Status GdipGetRenderingOrigin (IntPtr graphics, out int x, out int y);
607 [DllImport ("gdiplus.dll")]
608 static internal extern Status GdipSetRenderingOrigin (IntPtr graphics, int x, int y);
609 [DllImport("gdiplus.dll")]
610 internal static extern Status GdipCloneBitmapArea (float x, float y, float width, float height, PixelFormat format, IntPtr original, out IntPtr bitmap);
611 [DllImport("gdiplus.dll")]
612 internal static extern Status GdipCloneBitmapAreaI (int x, int y, int width, int height, PixelFormat format, IntPtr original, out IntPtr bitmap);
613 [DllImport("gdiplus.dll")]
614 internal static extern Status GdipResetWorldTransform (IntPtr graphics);
615 [DllImport("gdiplus.dll")]
616 internal static extern Status GdipSetWorldTransform (IntPtr graphics, IntPtr matrix);
617 [DllImport("gdiplus.dll")]
618 internal static extern Status GdipGetWorldTransform (IntPtr graphics, IntPtr matrix);
619 [DllImport("gdiplus.dll")]
620 internal static extern Status GdipScaleWorldTransform (IntPtr graphics, float sx, float sy, MatrixOrder order);
621 [DllImport("gdiplus.dll")]
622 internal static extern Status GdipGraphicsClear(IntPtr graphics, int argb);
623 [DllImport("gdiplus.dll")]
624 internal static extern Status GdipDrawClosedCurve(IntPtr graphics, IntPtr pen, PointF [] points, int count);
625 [DllImport("gdiplus.dll")]
626 internal static extern Status GdipDrawClosedCurveI(IntPtr graphics, IntPtr pen, Point [] points, int count);
627 [DllImport("gdiplus.dll")]
628 internal static extern Status GdipDrawClosedCurve2(IntPtr graphics, IntPtr pen, PointF [] points, int count, float tension);
629 [DllImport("gdiplus.dll")]
630 internal static extern Status GdipDrawClosedCurve2I(IntPtr graphics, IntPtr pen, Point [] points, int count, float tension);
631 [DllImport("gdiplus.dll")]
632 internal static extern Status GdipDrawCurve(IntPtr graphics, IntPtr pen, PointF [] points, int count);
633 [DllImport("gdiplus.dll")]
634 internal static extern Status GdipDrawCurveI(IntPtr graphics, IntPtr pen, Point [] points, int count);
635 [DllImport("gdiplus.dll")]
636 internal static extern Status GdipDrawCurve2(IntPtr graphics, IntPtr pen, PointF [] points, int count, float tension);
637 [DllImport("gdiplus.dll")]
638 internal static extern Status GdipDrawCurve2I(IntPtr graphics, IntPtr pen, Point [] points, int count, float tension);
639 [DllImport("gdiplus.dll")]
640 internal static extern Status GdipDrawCurve3(IntPtr graphics, IntPtr pen, PointF [] points, int count, int offset, int numberOfSegments, float tension);
641 [DllImport("gdiplus.dll")]
642 internal static extern Status GdipDrawCurve3I(IntPtr graphics, IntPtr pen, Point [] points, int count, int offset, int numberOfSegments, float tension);
643 [DllImport("gdiplus.dll")]
644 internal static extern Status GdipSetClipRect(IntPtr graphics, float x, float y, float width, float height, CombineMode combineMode);
645 [DllImport("gdiplus.dll")]
646 internal static extern Status GdipSetClipRectI(IntPtr graphics, int x, int y, int width, int height, CombineMode combineMode);
647 [DllImport("gdiplus.dll")]
648 internal static extern Status GdipSetClipPath(IntPtr graphics, IntPtr path, CombineMode combineMode);
649 [DllImport("gdiplus.dll")]
650 internal static extern Status GdipSetClipRegion(IntPtr graphics, IntPtr region, CombineMode combineMode);
651 [DllImport("gdiplus.dll")]
652 internal static extern Status GdipSetClipGraphics(IntPtr graphics, IntPtr srcgraphics, CombineMode combineMode);
653 [DllImport("gdiplus.dll")]
654 internal static extern Status GdipResetClip(IntPtr graphics);
655 [DllImport("gdiplus.dll")]
656 internal static extern Status GdipEndContainer(IntPtr graphics, uint state);
657 [DllImport("gdiplus.dll")]
658 internal static extern Status GdipGetClip (IntPtr graphics, IntPtr region);
660 [DllImport("gdiplus.dll")]
661 internal static extern Status GdipFillClosedCurve(IntPtr graphics, IntPtr brush, PointF [] points, int count);
663 [DllImport("gdiplus.dll")]
664 internal static extern Status GdipFillClosedCurveI(IntPtr graphics, IntPtr brush, Point [] points, int count);
666 [DllImport("gdiplus.dll")]
667 internal static extern Status GdipFillClosedCurve2(IntPtr graphics, IntPtr brush,
668 PointF [] points, int count, float tension, FillMode fillMode);
670 [DllImport("gdiplus.dll")]
671 internal static extern Status GdipFillClosedCurve2I(IntPtr graphics, IntPtr brush,
672 Point [] points, int count, float tension, FillMode fillMode);
674 [DllImport("gdiplus.dll")]
675 internal static extern Status GdipFillPie(IntPtr graphics, IntPtr brush, float x, float y,
676 float width, float height, float startAngle, float sweepAngle);
678 [DllImport("gdiplus.dll")]
679 internal static extern Status GdipFillPieI(IntPtr graphics, IntPtr brush, int x, int y,
680 int width, int height, float startAngle, float sweepAngle);
682 [DllImport("gdiplus.dll")]
683 internal static extern Status GdipFillPath(IntPtr graphics, IntPtr brush, IntPtr path);
685 [DllImport("gdiplus.dll")]
686 internal static extern Status GdipGetNearestColor(IntPtr graphics, out int argb);
688 [DllImport("gdiplus.dll")]
689 internal static extern Status GdipIsVisiblePoint(IntPtr graphics, float x, float y, out bool result);
691 [DllImport("gdiplus.dll")]
692 internal static extern Status GdipIsVisiblePointI(IntPtr graphics, int x, int y, out bool result);
694 [DllImport("gdiplus.dll")]
695 internal static extern Status GdipIsVisibleRect(IntPtr graphics, float x, float y,
696 float width, float height, out bool result);
698 [DllImport("gdiplus.dll")]
699 internal static extern Status GdipIsVisibleRectI(IntPtr graphics, int x, int y,
700 int width, int height, out bool result);
702 [DllImport("gdiplus.dll")]
703 internal static extern Status GdipTransformPoints(IntPtr graphics, CoordinateSpace destSpace,
704 CoordinateSpace srcSpace, IntPtr points, int count);
706 [DllImport("gdiplus.dll")]
707 internal static extern Status GdipTransformPointsI(IntPtr graphics, CoordinateSpace destSpace,
708 CoordinateSpace srcSpace, IntPtr points, int count);
710 [DllImport("gdiplus.dll")]
711 internal static extern Status GdipTranslateClip(IntPtr graphics, float dx, float dy);
712 [DllImport("gdiplus.dll")]
713 internal static extern Status GdipTranslateClipI(IntPtr graphics, int dx, int dy);
714 [DllImport("gdiplus.dll")]
715 internal static extern Status GdipGetClipBounds(IntPtr graphics, out RectangleF rect);
716 [DllImport("gdiplus.dll")]
717 internal static extern Status GdipSetCompositingMode(IntPtr graphics, CompositingMode compositingMode);
718 [DllImport("gdiplus.dll")]
719 internal static extern Status GdipGetCompositingMode(IntPtr graphics, out CompositingMode compositingMode);
720 [DllImport("gdiplus.dll")]
721 internal static extern Status GdipSetCompositingQuality(IntPtr graphics, CompositingQuality compositingQuality);
722 [DllImport("gdiplus.dll")]
723 internal static extern Status GdipGetCompositingQuality(IntPtr graphics, out CompositingQuality compositingQuality);
724 [DllImport("gdiplus.dll")]
725 internal static extern Status GdipSetInterpolationMode(IntPtr graphics, InterpolationMode interpolationMode);
726 [DllImport("gdiplus.dll")]
727 internal static extern Status GdipGetInterpolationMode(IntPtr graphics, out InterpolationMode interpolationMode);
728 [DllImport("gdiplus.dll")]
729 internal static extern Status GdipGetDpiX(IntPtr graphics, out float dpi);
730 [DllImport("gdiplus.dll")]
731 internal static extern Status GdipGetDpiY(IntPtr graphics, out float dpi);
732 [DllImport("gdiplus.dll")]
733 internal static extern Status GdipIsClipEmpty(IntPtr graphics, out bool result);
734 [DllImport("gdiplus.dll")]
735 internal static extern Status GdipIsVisibleClipEmpty(IntPtr graphics, out bool result);
736 [DllImport("gdiplus.dll")]
737 internal static extern Status GdipGetPageUnit(IntPtr graphics, out GraphicsUnit unit);
738 [DllImport("gdiplus.dll")]
739 internal static extern Status GdipGetPageScale(IntPtr graphics, out float scale);
740 [DllImport("gdiplus.dll")]
741 internal static extern Status GdipSetPageUnit(IntPtr graphics, GraphicsUnit unit);
742 [DllImport("gdiplus.dll")]
743 internal static extern Status GdipSetPageScale(IntPtr graphics, float scale);
744 [DllImport("gdiplus.dll")]
745 internal static extern Status GdipSetPixelOffsetMode(IntPtr graphics, PixelOffsetMode pixelOffsetMode);
746 [DllImport("gdiplus.dll")]
747 internal static extern Status GdipGetPixelOffsetMode(IntPtr graphics, out PixelOffsetMode pixelOffsetMode);
748 [DllImport("gdiplus.dll")]
749 internal static extern Status GdipSetSmoothingMode(IntPtr graphics, SmoothingMode smoothingMode);
750 [DllImport("gdiplus.dll")]
751 internal static extern Status GdipGetSmoothingMode(IntPtr graphics, out SmoothingMode smoothingMode);
752 [DllImport("gdiplus.dll")]
753 internal static extern Status GdipSetTextContrast(IntPtr graphics, int contrast);
754 [DllImport("gdiplus.dll")]
755 internal static extern Status GdipGetTextContrast(IntPtr graphics, out int contrast);
756 [DllImport("gdiplus.dll")]
757 internal static extern Status GdipSetTextRenderingHint(IntPtr graphics, TextRenderingHint mode);
758 [DllImport("gdiplus.dll")]
759 internal static extern Status GdipGetTextRenderingHint(IntPtr graphics, out TextRenderingHint mode);
760 [DllImport("gdiplus.dll")]
761 internal static extern Status GdipGetVisibleClipBounds(IntPtr graphics, out RectangleF rect);
763 [DllImport("gdiplus.dll")]
764 internal static extern Status GdipFlush(IntPtr graphics, FlushIntention intention);
766 [DllImport("gdiplus.dll", CharSet=CharSet.Unicode)]
767 internal static extern Status GdipAddPathString (IntPtr path, string s, int lenght, IntPtr family, int style, float emSize, ref RectangleF layoutRect, IntPtr format);
768 [DllImport("gdiplus.dll", CharSet=CharSet.Unicode)]
769 internal static extern Status GdipAddPathStringI (IntPtr path, string s, int lenght, IntPtr family, int style, float emSize, ref Rectangle layoutRect, IntPtr format);
773 [DllImport("gdiplus.dll")]
774 internal static extern Status GdipCreatePen1 (int argb, float width, Unit unit, out IntPtr pen);
775 [DllImport("gdiplus.dll")]
776 internal static extern Status GdipCreatePen2 (IntPtr brush, float width, Unit unit, out IntPtr pen);
777 [DllImport("gdiplus.dll")]
778 internal static extern Status GdipClonePen (IntPtr pen, out IntPtr clonepen);
779 [DllImport("gdiplus.dll")]
780 internal static extern Status GdipDeletePen(IntPtr pen);
781 [DllImport("gdiplus.dll")]
782 internal static extern Status GdipSetPenBrushFill (IntPtr pen, IntPtr brush);
783 [DllImport("gdiplus.dll")]
784 internal static extern Status GdipGetPenBrushFill (IntPtr pen, out IntPtr brush);
785 [DllImport("gdiplus.dll")]
786 internal static extern Status GdipGetPenFillType (IntPtr pen, out PenType type);
787 [DllImport("gdiplus.dll")]
788 internal static extern Status GdipSetPenColor (IntPtr pen, int color);
789 [DllImport("gdiplus.dll")]
790 internal static extern Status GdipGetPenColor (IntPtr pen, out int color);
791 [DllImport("gdiplus.dll")]
792 internal static extern Status GdipSetPenCompoundArray (IntPtr pen, float[] dash, int count);
793 [DllImport("gdiplus.dll")]
794 internal static extern Status GdipGetPenCompoundArray (IntPtr pen, float[] dash, int count);
795 [DllImport("gdiplus.dll")]
796 internal static extern Status GdipGetPenCompoundCount (IntPtr pen, out int count);
797 [DllImport("gdiplus.dll")]
798 internal static extern Status GdipSetPenDashCap197819 (IntPtr pen, DashCap dashCap);
799 [DllImport("gdiplus.dll")]
800 internal static extern Status GdipGetPenDashCap197819 (IntPtr pen, out DashCap dashCap);
801 [DllImport("gdiplus.dll")]
802 internal static extern Status GdipSetPenDashStyle (IntPtr pen, DashStyle dashStyle);
803 [DllImport("gdiplus.dll")]
804 internal static extern Status GdipGetPenDashStyle (IntPtr pen, out DashStyle dashStyle);
805 [DllImport("gdiplus.dll")]
806 internal static extern Status GdipSetPenDashOffset (IntPtr pen, float offset);
807 [DllImport("gdiplus.dll")]
808 internal static extern Status GdipGetPenDashOffset (IntPtr pen, out float offset);
809 [DllImport("gdiplus.dll")]
810 internal static extern Status GdipGetPenDashCount (IntPtr pen, out int count);
811 [DllImport("gdiplus.dll")]
812 internal static extern Status GdipSetPenDashArray (IntPtr pen, float[] dash, int count);
813 [DllImport("gdiplus.dll")]
814 internal static extern Status GdipGetPenDashArray (IntPtr pen, float[] dash, int count);
815 [DllImport("gdiplus.dll")]
816 internal static extern Status GdipSetPenMiterLimit (IntPtr pen, float miterLimit);
817 [DllImport("gdiplus.dll")]
818 internal static extern Status GdipGetPenMiterLimit (IntPtr pen, out float miterLimit);
819 [DllImport("gdiplus.dll")]
820 internal static extern Status GdipSetPenLineJoin (IntPtr pen, LineJoin lineJoin);
821 [DllImport("gdiplus.dll")]
822 internal static extern Status GdipGetPenLineJoin (IntPtr pen, out LineJoin lineJoin);
823 [DllImport("gdiplus.dll")]
824 internal static extern Status GdipSetPenLineCap197819 (IntPtr pen, LineCap startCap, LineCap endCap, DashCap dashCap);
825 [DllImport("gdiplus.dll")]
826 internal static extern Status GdipSetPenMode (IntPtr pen, PenAlignment alignment);
827 [DllImport("gdiplus.dll")]
828 internal static extern Status GdipGetPenMode (IntPtr pen, out PenAlignment alignment);
829 [DllImport("gdiplus.dll")]
830 internal static extern Status GdipSetPenStartCap (IntPtr pen, LineCap startCap);
831 [DllImport("gdiplus.dll")]
832 internal static extern Status GdipGetPenStartCap (IntPtr pen, out LineCap startCap);
833 [DllImport("gdiplus.dll")]
834 internal static extern Status GdipSetPenEndCap (IntPtr pen, LineCap endCap);
835 [DllImport("gdiplus.dll")]
836 internal static extern Status GdipGetPenEndCap (IntPtr pen, out LineCap endCap);
837 [DllImport("gdiplus.dll")]
838 internal static extern Status GdipSetPenCustomStartCap (IntPtr pen, IntPtr customCap);
839 [DllImport("gdiplus.dll")]
840 internal static extern Status GdipGetPenCustomStartCap (IntPtr pen, out IntPtr customCap);
841 [DllImport("gdiplus.dll")]
842 internal static extern Status GdipSetPenCustomEndCap (IntPtr pen, IntPtr customCap);
843 [DllImport("gdiplus.dll")]
844 internal static extern Status GdipGetPenCustomEndCap (IntPtr pen, out IntPtr customCap);
845 [DllImport("gdiplus.dll")]
846 internal static extern Status GdipSetPenTransform (IntPtr pen, IntPtr matrix);
847 [DllImport("gdiplus.dll")]
848 internal static extern Status GdipGetPenTransform (IntPtr pen, IntPtr matrix);
849 [DllImport("gdiplus.dll")]
850 internal static extern Status GdipSetPenWidth (IntPtr pen, float width);
851 [DllImport("gdiplus.dll")]
852 internal static extern Status GdipGetPenWidth (IntPtr pen, out float width);
853 [DllImport("gdiplus.dll")]
854 internal static extern Status GdipResetPenTransform (IntPtr pen);
855 [DllImport("gdiplus.dll")]
856 internal static extern Status GdipMultiplyPenTransform (IntPtr pen, IntPtr matrix, MatrixOrder order);
857 [DllImport("gdiplus.dll")]
858 internal static extern Status GdipRotatePenTransform (IntPtr pen, float angle, MatrixOrder order);
859 [DllImport("gdiplus.dll")]
860 internal static extern Status GdipScalePenTransform (IntPtr pen, float sx, float sy, MatrixOrder order);
861 [DllImport("gdiplus.dll")]
862 internal static extern Status GdipTranslatePenTransform (IntPtr pen, float dx, float dy, MatrixOrder order);
864 // CustomLineCap functions
865 [DllImport("gdiplus.dll")]
866 internal static extern Status GdipCreateCustomLineCap (IntPtr fillPath, IntPtr strokePath, LineCap baseCap, float baseInset, out IntPtr customCap);
867 [DllImport("gdiplus.dll")]
868 internal static extern Status GdipDeleteCustomLineCap (IntPtr customCap);
869 [DllImport("gdiplus.dll")]
870 internal static extern Status GdipCloneCustomLineCap (IntPtr customCap, out IntPtr clonedCap);
871 [DllImport("gdiplus.dll")]
872 internal static extern Status GdipSetCustomLineCapStrokeCaps (IntPtr customCap, LineCap startCap, LineCap endCap);
873 [DllImport("gdiplus.dll")]
874 internal static extern Status GdipGetCustomLineCapStrokeCaps (IntPtr customCap, out LineCap startCap, out LineCap endCap);
875 [DllImport("gdiplus.dll")]
876 internal static extern Status GdipSetCustomLineCapStrokeJoin (IntPtr customCap, LineJoin lineJoin);
877 [DllImport("gdiplus.dll")]
878 internal static extern Status GdipGetCustomLineCapStrokeJoin (IntPtr customCap, out LineJoin lineJoin);
879 [DllImport("gdiplus.dll")]
880 internal static extern Status GdipSetCustomLineCapBaseCap (IntPtr customCap, LineCap baseCap);
881 [DllImport("gdiplus.dll")]
882 internal static extern Status GdipGetCustomLineCapBaseCap (IntPtr customCap, out LineCap baseCap);
883 [DllImport("gdiplus.dll")]
884 internal static extern Status GdipSetCustomLineCapBaseInset (IntPtr customCap, float inset);
885 [DllImport("gdiplus.dll")]
886 internal static extern Status GdipGetCustomLineCapBaseInset (IntPtr customCap, out float inset);
887 [DllImport("gdiplus.dll")]
888 internal static extern Status GdipSetCustomLineCapWidthScale (IntPtr customCap, float widthScale);
889 [DllImport("gdiplus.dll")]
890 internal static extern Status GdipGetCustomLineCapWidthScale (IntPtr customCap, out float widthScale);
892 // AdjustableArrowCap functions
893 [DllImport("gdiplus.dll")]
894 internal static extern Status GdipCreateAdjustableArrowCap (float height, float width, bool isFilled, out IntPtr arrowCap);
895 [DllImport("gdiplus.dll")]
896 internal static extern Status GdipSetAdjustableArrowCapHeight (IntPtr arrowCap, float height);
897 [DllImport("gdiplus.dll")]
898 internal static extern Status GdipGetAdjustableArrowCapHeight (IntPtr arrowCap, out float height);
899 [DllImport("gdiplus.dll")]
900 internal static extern Status GdipSetAdjustableArrowCapWidth (IntPtr arrowCap, float width);
901 [DllImport("gdiplus.dll")]
902 internal static extern Status GdipGetAdjustableArrowCapWidth (IntPtr arrowCap, out float width);
903 [DllImport("gdiplus.dll")]
904 internal static extern Status GdipSetAdjustableArrowCapMiddleInset (IntPtr arrowCap, float middleInset);
905 [DllImport("gdiplus.dll")]
906 internal static extern Status GdipGetAdjustableArrowCapMiddleInset (IntPtr arrowCap, out float middleInset);
907 [DllImport("gdiplus.dll")]
908 internal static extern Status GdipSetAdjustableArrowCapFillState (IntPtr arrowCap, bool isFilled);
909 [DllImport("gdiplus.dll")]
910 internal static extern Status GdipGetAdjustableArrowCapFillState (IntPtr arrowCap, out bool isFilled);
913 [DllImport("gdiplus.dll")]
914 internal static extern Status GdipCreateFromHWND (IntPtr hwnd, out IntPtr graphics);
916 [DllImport("gdiplus.dll", CharSet=CharSet.Unicode)]
917 internal static extern Status GdipMeasureString(IntPtr graphics, string str, int length, IntPtr font,
918 ref RectangleF layoutRect, IntPtr stringFormat, out RectangleF boundingBox, out int codepointsFitted,
919 out int linesFilled);
921 [DllImport("gdiplus.dll", CharSet=CharSet.Unicode)]
922 internal static extern Status GdipMeasureCharacterRanges (IntPtr graphics, string str, int length, IntPtr font,
923 ref RectangleF layoutRect, IntPtr stringFormat, int regcount, out IntPtr regions);
925 [DllImport("gdiplus.dll")]
926 internal static extern Status GdipSetStringFormatMeasurableCharacterRanges (IntPtr native,
927 int cnt, CharacterRange [] range);
929 [DllImport("gdiplus.dll")]
930 internal static extern Status GdipGetStringFormatMeasurableCharacterRangeCount (IntPtr native,
934 [DllImport("gdiplus.dll")]
935 internal static extern Status GdipCreateBitmapFromScan0 (int width, int height, int stride, PixelFormat format, IntPtr scan0, out IntPtr bmp);
937 [DllImport("gdiplus.dll")]
938 internal static extern Status GdipCreateBitmapFromGraphics (int width, int height, IntPtr target, out IntPtr bitmap);
940 [DllImport("gdiplus.dll")]
941 internal static extern Status GdipBitmapLockBits (IntPtr bmp, ref Rectangle rc, ImageLockMode flags, PixelFormat format, [In, Out] BitmapData bmpData);
943 [DllImport("gdiplus.dll")]
944 internal static extern Status GdipBitmapSetResolution(IntPtr bmp, float xdpi, float ydpi);
946 [DllImport("gdiplus.dll")]
947 internal static extern Status GdipBitmapUnlockBits (IntPtr bmp, [In,Out] BitmapData bmpData);
949 [DllImport("gdiplus.dll")]
950 internal static extern Status GdipBitmapGetPixel (IntPtr bmp, int x, int y, out int argb);
952 [DllImport("gdiplus.dll")]
953 internal static extern Status GdipBitmapSetPixel (IntPtr bmp, int x, int y, int argb);
956 [DllImport("gdiplus.dll", CharSet=CharSet.Auto)]
957 internal static extern Status GdipLoadImageFromFile ( [MarshalAs(UnmanagedType.LPWStr)] string filename, out IntPtr image );
960 // Stream functions for Win32 (original Win32 ones)
961 [DllImport("gdiplus.dll", ExactSpelling=true, CharSet=CharSet.Unicode)]
962 internal static extern Status GdipLoadImageFromStream([MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef=typeof(ComIStreamMarshaler))] IStream stream, out IntPtr image);
964 [DllImport("gdiplus.dll", ExactSpelling=true, CharSet=CharSet.Unicode)]
965 internal static extern Status GdipSaveImageToStream(HandleRef image, [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef=typeof(ComIStreamMarshaler))] IStream stream, [In()] ref Guid clsidEncoder, HandleRef encoderParams);
968 [DllImport("gdiplus.dll")]
969 internal static extern Status GdipCloneImage(IntPtr image, out IntPtr imageclone);
971 [DllImport("gdiplus.dll", CharSet=CharSet.Auto)]
972 internal static extern Status GdipLoadImageFromFileICM ( [MarshalAs(UnmanagedType.LPWStr)] string filename, out IntPtr image );
974 [DllImport("gdiplus.dll")]
975 internal static extern Status GdipCreateBitmapFromHBITMAP ( IntPtr hBitMap, IntPtr gdiPalette, out IntPtr image );
977 [DllImport("gdiplus.dll")]
978 internal static extern Status GdipDisposeImage ( IntPtr image );
980 [DllImport("gdiplus.dll")]
981 internal static extern Status GdipGetImageFlags(IntPtr image, out int flag);
983 [DllImport("gdiplus.dll")]
984 internal static extern Status GdipImageGetFrameDimensionsCount ( IntPtr image, out uint count );
986 [DllImport("gdiplus.dll")]
987 internal static extern Status GdipImageGetFrameDimensionsList ( IntPtr image, [Out] Guid [] dimensionIDs, uint count );
989 [DllImport("gdiplus.dll")]
990 internal static extern Status GdipGetImageHeight (IntPtr image, out int height);
992 [DllImport("gdiplus.dll")]
993 internal static extern Status GdipGetImageHorizontalResolution ( IntPtr image, out float resolution );
995 [DllImport("gdiplus.dll")]
996 internal static extern Status GdipGetImagePaletteSize ( IntPtr image, out int size );
998 [DllImport("gdiplus.dll")]
999 internal static extern Status GdipGetImagePalette (IntPtr image, IntPtr palette, int size);
1001 [DllImport("gdiplus.dll")]
1002 internal static extern Status GdipSetImagePalette (IntPtr image, IntPtr palette);
1004 [DllImport("gdiplus.dll")]
1005 internal static extern Status GdipGetImageDimension ( IntPtr image, out float width, out float height );
1007 [DllImport("gdiplus.dll")]
1008 internal static extern Status GdipGetImagePixelFormat ( IntPtr image, out PixelFormat format );
1010 [DllImport("gdiplus.dll")]
1011 internal static extern Status GdipGetPropertyCount (IntPtr image, out uint propNumbers);
1013 [DllImport("gdiplus.dll")]
1014 internal static extern Status GdipGetPropertyIdList (IntPtr image, uint propNumbers, [Out] int [] list);
1016 [DllImport("gdiplus.dll")]
1017 internal static extern Status GdipGetPropertySize (IntPtr image, out int bufferSize, out int propNumbers);
1019 [DllImport("gdiplus.dll")]
1020 internal static extern Status GdipGetAllPropertyItems (IntPtr image, int bufferSize, int propNumbers, IntPtr items);
1022 [DllImport("gdiplus.dll")]
1023 internal static extern Status GdipGetImageRawFormat ( IntPtr image, out Guid format );
1025 [DllImport("gdiplus.dll")]
1026 internal static extern Status GdipGetImageVerticalResolution ( IntPtr image, out float resolution );
1028 [DllImport("gdiplus.dll")]
1029 internal static extern Status GdipGetImageWidth (IntPtr image, out uint width);
1031 [DllImport("gdiplus.dll")]
1032 internal static extern Status GdipGetImageBounds ( IntPtr image, out RectangleF source, ref GraphicsUnit unit );
1034 [DllImport("gdiplus.dll")]
1035 internal static extern Status GdipGetEncoderParameterListSize ( IntPtr image, ref Guid encoder, out uint size );
1037 [DllImport("gdiplus.dll")]
1038 internal static extern Status GdipGetEncoderParameterList ( IntPtr image, ref Guid encoder, uint size, IntPtr buffer );
1040 [DllImport("gdiplus.dll")]
1041 internal static extern Status GdipImageGetFrameCount (IntPtr image, ref Guid guidDimension, out int count );
1043 [DllImport("gdiplus.dll")]
1044 internal static extern Status GdipImageSelectActiveFrame (IntPtr image, ref Guid guidDimension, int frameIndex);
1046 [DllImport("gdiplus.dll")]
1047 internal static extern Status GdipGetPropertyItemSize (IntPtr image, int propertyID, out int propertySize);
1049 [DllImport("gdiplus.dll")]
1050 internal static extern Status GdipGetPropertyItem (IntPtr image, int propertyID, int propertySize, IntPtr buffer);
1052 [DllImport("gdiplus.dll")]
1053 internal static extern Status GdipRemovePropertyItem (IntPtr image, int propertyId);
1055 [DllImport("gdiplus.dll")]
1056 internal static extern Status GdipSetPropertyItem (IntPtr image, IntPtr propertyItem);
1058 [DllImport("gdiplus.dll")]
1059 internal static extern Status GdipGetImageThumbnail ( IntPtr image, uint width, uint height, out IntPtr thumbImage, IntPtr callback, IntPtr callBackData );
1061 [DllImport("gdiplus.dll")]
1062 internal static extern Status GdipImageRotateFlip ( IntPtr image, RotateFlipType rotateFlipType );
1064 [DllImport("gdiplus.dll", CharSet=CharSet.Unicode)]
1065 internal static extern Status GdipSaveImageToFile (IntPtr image, string filename, ref Guid encoderClsID, IntPtr encoderParameters);
1067 [DllImport("gdiplus.dll")]
1068 internal static extern Status GdipSaveAdd ( IntPtr image, IntPtr encoderParameters );
1070 [DllImport("gdiplus.dll")]
1071 internal static extern Status GdipSaveAddImage (IntPtr image, IntPtr imagenew, IntPtr encoderParameters);
1073 [DllImport("gdiplus.dll")]
1074 internal static extern Status GdipDrawImageI (IntPtr graphics, IntPtr image, int x, int y);
1075 [DllImport("gdiplus.dll")]
1076 internal static extern Status GdipGetImageGraphicsContext (IntPtr image, out IntPtr graphics);
1077 [DllImport("gdiplus.dll")]
1078 internal static extern Status GdipDrawImage (IntPtr graphics, IntPtr image, float x, float y);
1080 [DllImport("gdiplus.dll")]
1081 internal static extern Status GdipBeginContainer (IntPtr graphics, ref RectangleF dstrect, ref RectangleF srcrect, GraphicsUnit unit, out uint state);
1082 [DllImport("gdiplus.dll")]
1083 internal static extern Status GdipBeginContainerI (IntPtr graphics, ref Rectangle dstrect, ref Rectangle srcrect, GraphicsUnit unit, out uint state);
1084 [DllImport("gdiplus.dll")]
1085 internal static extern Status GdipBeginContainer2 (IntPtr graphics, out uint state);
1087 [DllImport("gdiplus.dll")]
1088 internal static extern Status GdipDrawImagePoints (IntPtr graphics, IntPtr image, PointF [] destPoints, int count);
1091 [DllImport("gdiplus.dll")]
1092 internal static extern Status GdipDrawImagePointsI (IntPtr graphics, IntPtr image, Point [] destPoints, int count);
1094 [DllImport("gdiplus.dll")]
1095 internal static extern Status GdipDrawImageRectRectI (IntPtr graphics, IntPtr image,
1096 int dstx, int dsty, int dstwidth, int dstheight,
1097 int srcx, int srcy, int srcwidth, int srcheight,
1098 GraphicsUnit srcUnit, IntPtr imageattr, Graphics.DrawImageAbort callback, IntPtr callbackData);
1100 [DllImport("gdiplus.dll")]
1101 internal static extern Status GdipDrawImageRectRect (IntPtr graphics, IntPtr image,
1102 float dstx, float dsty, float dstwidth, float dstheight,
1103 float srcx, float srcy, float srcwidth, float srcheight,
1104 GraphicsUnit srcUnit, IntPtr imageattr, Graphics.DrawImageAbort callback, IntPtr callbackData);
1106 [DllImport("gdiplus.dll")]
1107 internal static extern Status GdipDrawImagePointsRectI (IntPtr graphics, IntPtr image,
1108 Point [] destPoints, int count, int srcx, int srcy, int srcwidth, int srcheight,
1109 GraphicsUnit srcUnit, IntPtr imageattr, Graphics.DrawImageAbort callback, IntPtr callbackData);
1111 [DllImport("gdiplus.dll")]
1112 internal static extern Status GdipDrawImagePointsRect (IntPtr graphics, IntPtr image,
1113 PointF [] destPoints, int count, float srcx, float srcy, float srcwidth, float srcheight,
1114 GraphicsUnit srcUnit, IntPtr imageattr, Graphics.DrawImageAbort callback, IntPtr callbackData);
1116 [DllImport("gdiplus.dll")]
1117 internal static extern Status GdipDrawImageRect(IntPtr graphics, IntPtr image, float x, float y, float width, float height);
1118 [DllImport("gdiplus.dll")]
1119 internal static extern Status GdipDrawImagePointRect(IntPtr graphics, IntPtr image, float x,
1120 float y, float srcx, float srcy, float srcwidth, float srcheight, GraphicsUnit srcUnit);
1122 [DllImport("gdiplus.dll")]
1123 internal static extern Status GdipDrawImagePointRectI(IntPtr graphics, IntPtr image, int x,
1124 int y, int srcx, int srcy, int srcwidth,
1125 int srcheight, GraphicsUnit srcUnit);
1127 [DllImport("gdiplus.dll")]
1128 internal static extern Status GdipCreateStringFormat(StringFormatFlags formatAttributes, int language, out IntPtr native);
1130 [DllImport("gdiplus.dll")]
1131 internal static extern Status GdipCreateHBITMAPFromBitmap (IntPtr bmp, out IntPtr HandleBmp, int clrbackground);
1133 [DllImport("gdiplus.dll", CharSet=CharSet.Auto)]
1134 internal static extern Status GdipCreateBitmapFromFile ([MarshalAs (UnmanagedType.LPWStr)] string filename, out IntPtr bitmap);
1136 [DllImport("gdiplus.dll", CharSet=CharSet.Auto)]
1137 internal static extern Status GdipCreateBitmapFromFileICM ([MarshalAs (UnmanagedType.LPWStr)] string filename, out IntPtr bitmap);
1139 [DllImport("gdiplus.dll")]
1140 internal static extern Status GdipCreateHICONFromBitmap (IntPtr bmp, out IntPtr HandleIcon);
1142 [DllImport("gdiplus.dll")]
1143 internal static extern Status GdipCreateBitmapFromHICON (IntPtr hicon, out IntPtr bitmap);
1145 [DllImport("gdiplus.dll")]
1146 internal static extern Status GdipCreateBitmapFromResource (IntPtr hInstance,
1147 string lpBitmapName, out IntPtr bitmap);
1150 [DllImport ("gdiplus.dll")]
1151 internal static extern Status GdipCreateMatrix (out IntPtr matrix);
1152 [DllImport ("gdiplus.dll")]
1153 internal static extern Status GdipCreateMatrix2 (float m11, float m12, float m21, float m22, float dx, float dy, out IntPtr matrix);
1154 [DllImport ("gdiplus.dll")]
1155 internal static extern Status GdipCreateMatrix3 (ref RectangleF rect, PointF [] dstplg, out IntPtr matrix);
1156 [DllImport ("gdiplus.dll")]
1157 internal static extern Status GdipCreateMatrix3I (ref Rectangle rect, Point [] dstplg, out IntPtr matrix);
1158 [DllImport ("gdiplus.dll")]
1159 internal static extern Status GdipDeleteMatrix (IntPtr matrix);
1161 [DllImport ("gdiplus.dll")]
1162 internal static extern Status GdipCloneMatrix (IntPtr matrix, out IntPtr cloneMatrix);
1163 [DllImport ("gdiplus.dll")]
1164 internal static extern Status GdipSetMatrixElements (IntPtr matrix, float m11, float m12, float m21, float m22, float dx, float dy);
1165 [DllImport ("gdiplus.dll")]
1166 internal static extern Status GdipGetMatrixElements (IntPtr matrix, IntPtr matrixOut);
1167 [DllImport ("gdiplus.dll")]
1168 internal static extern Status GdipMultiplyMatrix (IntPtr matrix, IntPtr matrix2, MatrixOrder order);
1169 [DllImport ("gdiplus.dll")]
1170 internal static extern Status GdipTranslateMatrix (IntPtr matrix, float offsetX, float offsetY, MatrixOrder order);
1171 [DllImport ("gdiplus.dll")]
1172 internal static extern Status GdipScaleMatrix (IntPtr matrix, float scaleX, float scaleY, MatrixOrder order);
1173 [DllImport ("gdiplus.dll")]
1174 internal static extern Status GdipRotateMatrix (IntPtr matrix, float angle, MatrixOrder order);
1176 [DllImport ("gdiplus.dll")]
1177 internal static extern Status GdipShearMatrix (IntPtr matrix, float shearX, float shearY, MatrixOrder order);
1179 [DllImport ("gdiplus.dll")]
1180 internal static extern Status GdipInvertMatrix (IntPtr matrix);
1181 [DllImport ("gdiplus.dll")]
1182 internal static extern Status GdipTransformMatrixPoints (IntPtr matrix, PointF [] pts, int count);
1183 [DllImport ("gdiplus.dll")]
1184 internal static extern Status GdipTransformMatrixPointsI (IntPtr matrix, Point [] pts, int count);
1185 [DllImport ("gdiplus.dll")]
1186 internal static extern Status GdipVectorTransformMatrixPoints (IntPtr matrix, PointF [] pts, int count);
1187 [DllImport ("gdiplus.dll")]
1188 internal static extern Status GdipVectorTransformMatrixPointsI (IntPtr matrix, Point [] pts, int count);
1189 [DllImport ("gdiplus.dll")]
1190 internal static extern Status GdipIsMatrixInvertible (IntPtr matrix, out bool result);
1192 [DllImport ("gdiplus.dll")]
1193 internal static extern Status GdipIsMatrixIdentity (IntPtr matrix, out bool result);
1194 [DllImport ("gdiplus.dll")]
1195 internal static extern Status GdipIsMatrixEqual (IntPtr matrix, IntPtr matrix2, out bool result);
1197 // GraphicsPath functions
1198 [DllImport ("gdiplus.dll")]
1199 internal static extern Status GdipCreatePath (FillMode brushMode, out IntPtr path);
1200 [DllImport ("gdiplus.dll")]
1201 internal static extern Status GdipCreatePath2 (PointF [] points, byte [] types, int count, FillMode brushMode, out IntPtr path);
1202 [DllImport ("gdiplus.dll")]
1203 internal static extern Status GdipCreatePath2I (Point [] points, byte [] types, int count, FillMode brushMode, out IntPtr path);
1204 [DllImport ("gdiplus.dll")]
1205 internal static extern Status GdipClonePath (IntPtr path, out IntPtr clonePath);
1206 [DllImport ("gdiplus.dll")]
1207 internal static extern Status GdipDeletePath (IntPtr path);
1208 [DllImport ("gdiplus.dll")]
1209 internal static extern Status GdipResetPath (IntPtr path);
1210 [DllImport ("gdiplus.dll")]
1211 internal static extern Status GdipGetPointCount (IntPtr path, out int count);
1212 [DllImport ("gdiplus.dll")]
1213 internal static extern Status GdipGetPathTypes (IntPtr path, [Out] byte [] types, int count);
1214 [DllImport ("gdiplus.dll")]
1215 internal static extern Status GdipGetPathPoints (IntPtr path, [Out] PointF [] points, int count);
1216 [DllImport ("gdiplus.dll")]
1217 internal static extern Status GdipGetPathPointsI (IntPtr path, [Out] Point [] points, int count);
1218 [DllImport ("gdiplus.dll")]
1219 internal static extern Status GdipGetPathFillMode (IntPtr path, out FillMode fillMode);
1220 [DllImport ("gdiplus.dll")]
1221 internal static extern Status GdipSetPathFillMode (IntPtr path, FillMode fillMode);
1222 [DllImport ("gdiplus.dll")]
1223 internal static extern Status GdipStartPathFigure (IntPtr path);
1224 [DllImport ("gdiplus.dll")]
1225 internal static extern Status GdipClosePathFigure (IntPtr path);
1226 [DllImport ("gdiplus.dll")]
1227 internal static extern Status GdipClosePathFigures (IntPtr path);
1228 [DllImport ("gdiplus.dll")]
1229 internal static extern Status GdipSetPathMarker (IntPtr path);
1230 [DllImport ("gdiplus.dll")]
1231 internal static extern Status GdipClearPathMarkers (IntPtr path);
1232 [DllImport ("gdiplus.dll")]
1233 internal static extern Status GdipReversePath (IntPtr path);
1234 [DllImport ("gdiplus.dll")]
1235 internal static extern Status GdipGetPathLastPoint (IntPtr path, out PointF lastPoint);
1236 [DllImport ("gdiplus.dll")]
1237 internal static extern Status GdipAddPathLine (IntPtr path, float x1, float y1, float x2, float y2);
1238 [DllImport ("gdiplus.dll")]
1239 internal static extern Status GdipAddPathLine2 (IntPtr path, PointF[] points, int count);
1240 [DllImport ("gdiplus.dll")]
1241 internal static extern Status GdipAddPathLine2I (IntPtr path, Point[] points, int count);
1242 [DllImport ("gdiplus.dll")]
1243 internal static extern Status GdipAddPathArc (IntPtr path, float x, float y, float width, float height, float startAngle, float sweepAngle);
1244 [DllImport ("gdiplus.dll")]
1245 internal static extern Status GdipAddPathBezier (IntPtr path, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4);
1246 [DllImport ("gdiplus.dll")]
1247 internal static extern Status GdipAddPathBeziers (IntPtr path, PointF [] points, int count);
1248 [DllImport ("gdiplus.dll")]
1249 internal static extern Status GdipAddPathCurve (IntPtr path, PointF [] points, int count);
1250 [DllImport ("gdiplus.dll")]
1251 internal static extern Status GdipAddPathCurveI (IntPtr path, Point [] points, int count);
1252 [DllImport ("gdiplus.dll")]
1253 internal static extern Status GdipAddPathCurve2 (IntPtr path, PointF [] points, int count, float tension);
1254 [DllImport ("gdiplus.dll")]
1255 internal static extern Status GdipAddPathCurve2I (IntPtr path, Point [] points, int count, float tension);
1256 [DllImport ("gdiplus.dll")]
1257 internal static extern Status GdipAddPathCurve3 (IntPtr path, PointF [] points, int count, int offset, int numberOfSegments, float tension);
1258 [DllImport ("gdiplus.dll")]
1259 internal static extern Status GdipAddPathCurve3I (IntPtr path, Point [] points, int count, int offset, int numberOfSegments, float tension);
1260 [DllImport ("gdiplus.dll")]
1261 internal static extern Status GdipAddPathClosedCurve (IntPtr path, PointF [] points, int count);
1262 [DllImport ("gdiplus.dll")]
1263 internal static extern Status GdipAddPathClosedCurveI (IntPtr path, Point [] points, int count);
1264 [DllImport ("gdiplus.dll")]
1265 internal static extern Status GdipAddPathClosedCurve2 (IntPtr path, PointF [] points, int count, float tension);
1266 [DllImport ("gdiplus.dll")]
1267 internal static extern Status GdipAddPathClosedCurve2I (IntPtr path, Point [] points, int count, float tension);
1268 [DllImport ("gdiplus.dll")]
1269 internal static extern Status GdipAddPathRectangle (IntPtr path, float x, float y, float width, float height);
1270 [DllImport ("gdiplus.dll")]
1271 internal static extern Status GdipAddPathRectangles (IntPtr path, RectangleF [] rects, int count);
1272 [DllImport ("gdiplus.dll")]
1273 internal static extern Status GdipAddPathEllipse (IntPtr path, float x, float y, float width, float height);
1274 [DllImport ("gdiplus.dll")]
1275 internal static extern Status GdipAddPathEllipseI (IntPtr path, int x, int y, int width, int height);
1276 [DllImport ("gdiplus.dll")]
1277 internal static extern Status GdipAddPathPie (IntPtr path, float x, float y, float width, float height, float startAngle, float sweepAngle);
1278 [DllImport ("gdiplus.dll")]
1279 internal static extern Status GdipAddPathPieI (IntPtr path, int x, int y, int width, int height, float startAngle, float sweepAngle);
1280 [DllImport ("gdiplus.dll")]
1281 internal static extern Status GdipAddPathPolygon (IntPtr path, PointF [] points, int count);
1282 [DllImport ("gdiplus.dll")]
1283 internal static extern Status GdipAddPathPath (IntPtr path, IntPtr addingPath, bool connect);
1284 [DllImport ("gdiplus.dll")]
1285 internal static extern Status GdipAddPathLineI (IntPtr path, int x1, int y1, int x2, int y2);
1286 [DllImport ("gdiplus.dll")]
1287 internal static extern Status GdipAddPathArcI (IntPtr path, int x, int y, int width, int height, float startAngle, float sweepAngle);
1289 [DllImport ("gdiplus.dll")]
1290 internal static extern Status GdipAddPathBezierI (IntPtr path, int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4);
1291 [DllImport ("gdiplus.dll")]
1292 internal static extern Status GdipAddPathBeziersI (IntPtr path, Point [] points, int count);
1294 [DllImport ("gdiplus.dll")]
1295 internal static extern Status GdipAddPathPolygonI (IntPtr path, Point [] points, int count);
1296 [DllImport ("gdiplus.dll")]
1297 internal static extern Status GdipAddPathRectangleI (IntPtr path, int x, int y, int width, int height);
1298 [DllImport ("gdiplus.dll")]
1299 internal static extern Status GdipAddPathRectanglesI (IntPtr path, Rectangle [] rects, int count);
1300 [DllImport ("gdiplus.dll")]
1301 internal static extern Status GdipFlattenPath (IntPtr path, IntPtr matrix, float floatness);
1302 [DllImport ("gdiplus.dll")]
1303 internal static extern Status GdipTransformPath (IntPtr path, IntPtr matrix);
1304 [DllImport ("gdiplus.dll")]
1305 internal static extern Status GdipWarpPath (IntPtr path, IntPtr matrix,
1306 PointF [] points, int count,
1307 float srcx, float srcy, float srcwidth, float srcheight,
1308 WarpMode mode, float flatness);
1309 [DllImport ("gdiplus.dll")]
1310 internal static extern Status GdipWidenPath (IntPtr path, IntPtr pen, IntPtr matrix, float flatness);
1311 [DllImport ("gdiplus.dll")]
1312 internal static extern Status GdipGetPathWorldBounds (IntPtr path, out RectangleF bounds, IntPtr matrix, IntPtr pen);
1313 [DllImport ("gdiplus.dll")]
1314 internal static extern Status GdipGetPathWorldBoundsI (IntPtr path, out Rectangle bounds, IntPtr matrix, IntPtr pen);
1315 [DllImport ("gdiplus.dll")]
1316 internal static extern Status GdipIsVisiblePathPoint (IntPtr path, float x, float y, IntPtr graphics, out bool result);
1317 [DllImport ("gdiplus.dll")]
1318 internal static extern Status GdipIsVisiblePathPointI (IntPtr path, int x, int y, IntPtr graphics, out bool result);
1319 [DllImport ("gdiplus.dll")]
1320 internal static extern Status GdipIsOutlineVisiblePathPoint (IntPtr path, float x, float y, IntPtr pen, IntPtr graphics, out bool result);
1321 [DllImport ("gdiplus.dll")]
1322 internal static extern Status GdipIsOutlineVisiblePathPointI (IntPtr path, int x, int y, IntPtr pen, IntPtr graphics, out bool result);
1324 // GraphicsPathIterator
1325 [DllImport("gdiplus.dll")]
1326 internal static extern Status GdipCreatePathIter (out IntPtr iterator, IntPtr path);
1327 [DllImport("gdiplus.dll")]
1328 internal static extern Status GdipPathIterGetCount (IntPtr iterator, out int count);
1329 [DllImport("gdiplus.dll")]
1330 internal static extern Status GdipPathIterGetSubpathCount (IntPtr iterator, out int count);
1331 [DllImport("gdiplus.dll")]
1332 internal static extern Status GdipDeletePathIter (IntPtr iterator);
1333 [DllImport("gdiplus.dll")]
1334 internal static extern Status GdipPathIterCopyData (IntPtr iterator, out int resultCount, PointF [] points, byte [] types, int startIndex, int endIndex);
1335 [DllImport("gdiplus.dll")]
1336 internal static extern Status GdipPathIterEnumerate (IntPtr iterator, out int resultCount, PointF [] points, byte [] types, int count);
1337 [DllImport("gdiplus.dll")]
1338 internal static extern Status GdipPathIterHasCurve (IntPtr iterator, out bool curve);
1339 [DllImport("gdiplus.dll")]
1340 internal static extern Status GdipPathIterNextMarkerPath (IntPtr iterator, out int resultCount, IntPtr path);
1341 [DllImport("gdiplus.dll")]
1342 internal static extern Status GdipPathIterNextMarker (IntPtr iterator, out int resultCount, out int startIndex, out int endIndex);
1343 [DllImport("gdiplus.dll")]
1344 internal static extern Status GdipPathIterNextPathType (IntPtr iterator, out int resultCount, out byte pathType, out int startIndex, out int endIndex);
1345 [DllImport("gdiplus.dll")]
1346 internal static extern Status GdipPathIterNextSubpathPath (IntPtr iterator, out int resultCount, IntPtr path, out bool isClosed);
1347 [DllImport("gdiplus.dll")]
1348 internal static extern Status GdipPathIterNextSubpath (IntPtr iterator, out int resultCount, out int startIndex, out int endIndex, out bool isClosed);
1349 [DllImport("gdiplus.dll")]
1350 internal static extern Status GdipPathIterRewind (IntPtr iterator);
1353 [DllImport ("gdiplus.dll")]
1354 internal static extern Status GdipCreateImageAttributes (out IntPtr imageattr);
1356 [DllImport ("gdiplus.dll")]
1357 internal static extern Status GdipSetImageAttributesColorKeys (IntPtr imageattr,
1358 ColorAdjustType type, bool enableFlag, int colorLow, int colorHigh);
1360 [DllImport ("gdiplus.dll")]
1361 internal static extern Status GdipDisposeImageAttributes (IntPtr imageattr);
1363 [DllImport ("gdiplus.dll")]
1364 internal static extern Status GdipSetImageAttributesColorMatrix (IntPtr imageattr,
1365 ColorAdjustType type, bool enableFlag, IntPtr colorMatrix,
1366 IntPtr grayMatrix, ColorMatrixFlag flags);
1368 [DllImport ("gdiplus.dll")]
1369 internal static extern Status GdipSetImageAttributesGamma (IntPtr imageattr,
1370 ColorAdjustType type, bool enableFlag,
1373 [DllImport ("gdiplus.dll")]
1374 internal static extern Status GdipSetImageAttributesNoOp (IntPtr imageattr,
1375 ColorAdjustType type, bool enableFlag);
1377 [DllImport ("gdiplus.dll")]
1378 internal static extern Status GdipSetImageAttributesOutputChannel (IntPtr imageattr,
1379 ColorAdjustType type, bool enableFlag, ColorChannelFlag channelFlags);
1381 [DllImport ("gdiplus.dll", CharSet=CharSet.Auto)]
1382 internal static extern Status GdipSetImageAttributesOutputChannelColorProfile (IntPtr imageattr,
1383 ColorAdjustType type, bool enableFlag, [MarshalAs (UnmanagedType.LPWStr)] string profileName);
1385 [DllImport ("gdiplus.dll")]
1386 internal static extern Status GdipSetImageAttributesRemapTable (IntPtr imageattr,
1387 ColorAdjustType type, bool enableFlag, uint mapSize, IntPtr colorMap);
1389 [DllImport ("gdiplus.dll")]
1390 internal static extern Status GdipSetImageAttributesThreshold (IntPtr imageattr,
1391 ColorAdjustType type, bool enableFlag, float thresHold);
1393 [DllImport ("gdiplus.dll")]
1394 internal static extern Status GdipCloneImageAttributes(IntPtr imageattr, out IntPtr cloneImageattr);
1396 [DllImport ("gdiplus.dll")]
1397 internal static extern Status GdipGetImageAttributesAdjustedPalette(IntPtr imageattr,
1398 out IntPtr colorPalette, ColorAdjustType colorAdjustType);
1400 [DllImport ("gdiplus.dll")]
1401 internal static extern Status GdipSetImageAttributesWrapMode(IntPtr imageattr, WrapMode wrap,
1402 int argb, bool clamp);
1406 [DllImport("gdiplus.dll")]
1407 internal static extern Status GdipCreateFont (IntPtr fontFamily, float emSize, FontStyle style, GraphicsUnit unit, out IntPtr font);
1408 [DllImport("gdiplus.dll")]
1409 internal static extern Status GdipDeleteFont (IntPtr font);
1410 [DllImport("gdiplus.dll", CharSet=CharSet.Auto)]
1411 internal static extern Status GdipGetLogFont(IntPtr font, IntPtr graphics, [MarshalAs(UnmanagedType.AsAny), Out] object logfontA);
1413 [DllImport("gdiplus.dll")]
1414 internal static extern Status GdipCreateFontFromDC(IntPtr hdc, out IntPtr font);
1415 [DllImport("gdiplus.dll", SetLastError=true, CharSet=CharSet.Auto)]
1416 internal static extern Status GdipCreateFontFromLogfont(IntPtr hdc, ref LOGFONT lf, out IntPtr ptr);
1418 // These are our private functions, they exists in our own libgdiplus library, this way we
1419 // avoid relying on wine in System.Drawing
1420 [DllImport("gdiplus.dll")]
1421 internal static extern Status GdipGetHfont (IntPtr font, out IntPtr Hfont);
1422 [DllImport("gdiplus.dll", CharSet=CharSet.Ansi)]
1423 internal static extern Status GdipCreateFontFromHfont(IntPtr hdc, out IntPtr font, ref LOGFONT lf);
1425 // This is win32/gdi, not gdiplus, but it's easier to keep in here, also see above comment
1426 [DllImport("gdi32.dll", CallingConvention=CallingConvention.StdCall, CharSet = CharSet.Auto)]
1427 internal static extern IntPtr CreateFontIndirect (ref LOGFONT logfont);
1428 [DllImport("user32.dll", EntryPoint="GetDC", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
1429 internal static extern IntPtr GetDC(IntPtr hwnd);
1430 [DllImport("user32.dll", EntryPoint="ReleaseDC", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
1431 internal static extern int ReleaseDC(IntPtr hdc);
1432 [DllImport("gdi32.dll", EntryPoint="SelectObject", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
1433 internal static extern IntPtr SelectObject(IntPtr hdc, IntPtr obj);
1434 [DllImport("user32.dll", SetLastError=true)]
1435 internal static extern bool GetIconInfo (IntPtr hIcon, out IconInfo iconinfo);
1437 [DllImport("user32.dll")]
1438 internal static extern IntPtr GetDesktopWindow ();
1440 [DllImport("gdi32.dll", SetLastError=true)]
1441 public static extern int BitBlt(IntPtr hdcDest, int nXDest, int nYDest,
1442 int nWidth, int nHeight, IntPtr hdcSrc, int nXSrc, int nYSrc, int dwRop);
1445 // Some special X11 stuff
1446 [DllImport("libX11", EntryPoint="XOpenDisplay")]
1447 internal extern static IntPtr XOpenDisplay(IntPtr display);
1449 [DllImport("libX11", EntryPoint="XCloseDisplay")]
1450 internal extern static int XCloseDisplay(IntPtr display);
1452 [DllImport ("libX11", EntryPoint="XRootWindow")]
1453 internal extern static IntPtr XRootWindow(IntPtr display, int screen);
1455 [DllImport ("libX11", EntryPoint="XDefaultDepth")]
1456 internal extern static uint XDefaultDepth(IntPtr display, int screen);
1458 [DllImport ("libX11", EntryPoint="XGetImage")]
1459 internal extern static IntPtr XGetImage(IntPtr display, IntPtr drawable, int src_x, int src_y, int width, int height, int pane, int format);
1461 [DllImport ("libX11", EntryPoint="XGetPixel")]
1462 internal extern static int XGetPixel(IntPtr image, int x, int y);
1464 [DllImport ("libX11", EntryPoint="XDestroyImage")]
1465 internal extern static int XDestroyImage(IntPtr image);
1467 [DllImport ("libX11", EntryPoint="XDefaultVisual")]
1468 internal extern static IntPtr XDefaultVisual(IntPtr display, int screen);
1470 [DllImport ("libX11", EntryPoint="XGetVisualInfo")]
1471 internal extern static IntPtr XGetVisualInfo (IntPtr display, int vinfo_mask, ref XVisualInfo vinfo_template, ref int nitems);
1473 [DllImport ("libX11", EntryPoint="XVisualIDFromVisual")]
1474 internal extern static int XVisualIDFromVisual(IntPtr visual);
1476 [DllImport ("libX11", EntryPoint="XFree")]
1477 internal extern static void XFree (IntPtr data);
1480 [DllImport ("gdiplus.dll")]
1481 internal static extern Status GdipGetFontCollectionFamilyCount (IntPtr collection, out int found);
1483 [DllImport ("gdiplus.dll")]
1484 internal static extern Status GdipGetFontCollectionFamilyList (IntPtr collection, int getCount, IntPtr[] dest, out int retCount);
1485 //internal static extern Status GdipGetFontCollectionFamilyList( IntPtr collection, int getCount, [Out] FontFamily [] familyList, out int retCount );
1487 [DllImport ("gdiplus.dll")]
1488 internal static extern Status GdipNewInstalledFontCollection (out IntPtr collection);
1490 [DllImport ("gdiplus.dll")]
1491 internal static extern Status GdipNewPrivateFontCollection (out IntPtr collection);
1493 [DllImport ("gdiplus.dll")]
1494 internal static extern Status GdipDeletePrivateFontCollection (ref IntPtr collection);
1496 [DllImport ("gdiplus.dll", CharSet=CharSet.Auto)]
1497 internal static extern Status GdipPrivateAddFontFile (IntPtr collection,
1498 [MarshalAs (UnmanagedType.LPWStr)] string fileName );
1500 [DllImport ("gdiplus.dll")]
1501 internal static extern Status GdipPrivateAddMemoryFont (IntPtr collection, IntPtr mem, int length);
1504 [DllImport ("gdiplus.dll", CharSet=CharSet.Auto)]
1505 internal static extern Status GdipCreateFontFamilyFromName (
1506 [MarshalAs(UnmanagedType.LPWStr)] string fName, IntPtr collection, out IntPtr fontFamily);
1508 [DllImport ("gdiplus.dll", CharSet=CharSet.Unicode)]
1509 internal static extern Status GdipGetFamilyName(IntPtr family, StringBuilder name, int language);
1511 [DllImport ("gdiplus.dll")]
1512 internal static extern Status GdipGetGenericFontFamilySansSerif (out IntPtr fontFamily);
1514 [DllImport ("gdiplus.dll")]
1515 internal static extern Status GdipGetGenericFontFamilySerif (out IntPtr fontFamily);
1517 [DllImport ("gdiplus.dll")]
1518 internal static extern Status GdipGetGenericFontFamilyMonospace (out IntPtr fontFamily);
1520 [DllImport ("gdiplus.dll")]
1521 internal static extern Status GdipGetCellAscent (IntPtr fontFamily, int style, out short ascent);
1523 [DllImport ("gdiplus.dll")]
1524 internal static extern Status GdipGetCellDescent (IntPtr fontFamily, int style, out short descent);
1526 [DllImport ("gdiplus.dll")]
1527 internal static extern Status GdipGetLineSpacing (IntPtr fontFamily, int style, out short spacing);
1529 [DllImport ("gdiplus.dll")]
1530 internal static extern Status GdipGetEmHeight (IntPtr fontFamily, int style, out short emHeight);
1532 [DllImport ("gdiplus.dll")]
1533 internal static extern Status GdipIsStyleAvailable (IntPtr fontFamily, int style, out bool styleAvailable);
1535 [DllImport ("gdiplus.dll")]
1536 internal static extern Status GdipDeleteFontFamily (IntPtr fontFamily);
1538 [DllImport ("gdiplus.dll")]
1539 internal static extern Status GdipGetFontSize (IntPtr font, out float size);
1541 [DllImport ("gdiplus.dll")]
1542 internal static extern Status GdipGetFontHeight (IntPtr font, IntPtr graphics, out float height);
1544 [DllImport ("gdiplus.dll")]
1545 internal static extern Status GdipGetFontHeightGivenDPI (IntPtr font, float dpi, out float height);
1549 [DllImport ("gdiplus.dll")]
1550 internal static extern Status GdipCreateStringFormat(int formatAttributes, int language, out IntPtr format);
1551 [DllImport ("gdiplus.dll")]
1552 internal static extern Status GdipStringFormatGetGenericDefault(out IntPtr format);
1553 [DllImport ("gdiplus.dll")]
1554 internal static extern Status GdipStringFormatGetGenericTypographic(out IntPtr format);
1555 [DllImport ("gdiplus.dll")]
1556 internal static extern Status GdipDeleteStringFormat(IntPtr format);
1557 [DllImport ("gdiplus.dll")]
1558 internal static extern Status GdipCloneStringFormat(IntPtr srcformat, out IntPtr format);
1559 [DllImport ("gdiplus.dll")]
1560 internal static extern Status GdipSetStringFormatFlags(IntPtr format, StringFormatFlags flags);
1561 [DllImport ("gdiplus.dll")]
1562 internal static extern Status GdipGetStringFormatFlags(IntPtr format, out StringFormatFlags flags);
1563 [DllImport ("gdiplus.dll")]
1564 internal static extern Status GdipSetStringFormatAlign(IntPtr format, StringAlignment align);
1565 [DllImport ("gdiplus.dll")]
1566 internal static extern Status GdipGetStringFormatAlign(IntPtr format, out StringAlignment align);
1567 [DllImport ("gdiplus.dll")]
1568 internal static extern Status GdipSetStringFormatLineAlign(IntPtr format, StringAlignment align);
1569 [DllImport ("gdiplus.dll")]
1570 internal static extern Status GdipGetStringFormatLineAlign(IntPtr format, out StringAlignment align);
1571 [DllImport ("gdiplus.dll")]
1572 internal static extern Status GdipSetStringFormatTrimming(IntPtr format, StringTrimming trimming);
1573 [DllImport ("gdiplus.dll")]
1574 internal static extern Status GdipGetStringFormatTrimming(IntPtr format, out StringTrimming trimming);
1575 [DllImport ("gdiplus.dll")]
1576 internal static extern Status GdipSetStringFormatHotkeyPrefix(IntPtr format, HotkeyPrefix hotkeyPrefix);
1577 [DllImport ("gdiplus.dll")]
1578 internal static extern Status GdipGetStringFormatHotkeyPrefix(IntPtr format, out HotkeyPrefix hotkeyPrefix);
1579 [DllImport ("gdiplus.dll")]
1580 internal static extern Status GdipSetStringFormatTabStops(IntPtr format, float firstTabOffset, int count, float [] tabStops);
1581 [DllImport ("gdiplus.dll")]
1582 internal static extern Status GdipGetStringFormatDigitSubstitution(IntPtr format, int language, out StringDigitSubstitute substitute);
1583 [DllImport ("gdiplus.dll")]
1584 internal static extern Status GdipSetStringFormatDigitSubstitution(IntPtr format, int language, StringDigitSubstitute substitute);
1585 [DllImport ("gdiplus.dll")]
1586 internal static extern Status GdipGetStringFormatTabStopCount(IntPtr format, out int count);
1587 [DllImport ("gdiplus.dll")]
1588 internal static extern Status GdipGetStringFormatTabStops(IntPtr format, int count, out float firstTabOffset, [In, Out] float [] tabStops);
1590 //ImageCodecInfo functions
1591 [DllImport("gdiplus.dll")]
1592 static internal extern Status GdipGetImageDecodersSize (out int decoderNums, out int arraySize);
1593 [DllImport("gdiplus.dll")]
1594 static internal extern Status GdipGetImageDecoders (int decoderNums, int arraySize, IntPtr decoders);
1595 [DllImport("gdiplus.dll")]
1596 static internal extern Status GdipGetImageEncodersSize (out int encoderNums, out int arraySize);
1597 [DllImport("gdiplus.dll")]
1598 static internal extern Status GdipGetImageEncoders (int encoderNums, int arraySize, IntPtr encoders);
1601 // These are stuff that is unix-only
1603 public delegate int StreamGetHeaderDelegate(IntPtr buf, int bufsz);
1604 public delegate int StreamGetBytesDelegate (IntPtr buf, int bufsz, bool peek);
1605 public delegate long StreamSeekDelegate (int offset, int whence);
1606 public delegate int StreamPutBytesDelegate (IntPtr buf, int bufsz);
1607 public delegate void StreamCloseDelegate ();
1608 public delegate long StreamSizeDelegate ();
1610 internal class GdiPlusStreamHelper
1612 public Stream stream;
1614 private StreamGetHeaderDelegate sghd = null;
1615 private StreamGetBytesDelegate sgbd = null;
1616 private StreamSeekDelegate skd = null;
1617 private StreamPutBytesDelegate spbd = null;
1618 private StreamCloseDelegate scd = null;
1619 private StreamSizeDelegate ssd = null;
1620 private byte[] start_buf;
1621 private int start_buf_pos;
1622 private int start_buf_len;
1623 private byte[] managedBuf;
1624 private const int default_bufsize = 4096;
1626 public GdiPlusStreamHelper (Stream s)
1628 managedBuf = new byte [default_bufsize];
1631 if (stream != null && stream.CanSeek) {
1632 stream.Seek (0, SeekOrigin.Begin);
1636 public int StreamGetHeaderImpl (IntPtr buf, int bufsz) {
1639 start_buf = new byte[bufsz];
1642 bytesRead = stream.Read (start_buf, 0, bufsz);
1643 } catch (IOException) {
1647 if (bytesRead > 0 && buf != IntPtr.Zero) {
1648 Marshal.Copy (start_buf, 0, (IntPtr) (buf.ToInt64()), bytesRead);
1652 start_buf_len = bytesRead;
1657 public StreamGetHeaderDelegate GetHeaderDelegate {
1659 if (stream != null && stream.CanRead) {
1661 sghd = new StreamGetHeaderDelegate (StreamGetHeaderImpl);
1669 public int StreamGetBytesImpl (IntPtr buf, int bufsz, bool peek)
1671 if (buf == IntPtr.Zero && peek) {
1675 if (bufsz > managedBuf.Length)
1676 managedBuf = new byte[bufsz];
1678 long streamPosition = 0;
1681 if (stream.CanSeek) {
1682 streamPosition = stream.Position;
1684 if (start_buf_len > 0) {
1685 if (start_buf_len > bufsz) {
1686 Array.Copy(start_buf, start_buf_pos, managedBuf, 0, bufsz);
1687 start_buf_pos += bufsz;
1688 start_buf_len -= bufsz;
1693 Array.Copy(start_buf, start_buf_pos, managedBuf, 0, start_buf_len);
1694 bufsz -= start_buf_len;
1695 bytesRead = start_buf_len;
1702 bytesRead += stream.Read (managedBuf, bytesRead, bufsz);
1703 } catch (IOException) {
1708 if (bytesRead > 0 && buf != IntPtr.Zero) {
1709 Marshal.Copy (managedBuf, 0, (IntPtr) (buf.ToInt64()), bytesRead);
1712 if (!stream.CanSeek && (bufsz == 10) && peek) {
1713 // Special 'hack' to support peeking of the type for gdi+ on non-seekable streams
1717 if (stream.CanSeek) {
1718 // If we are peeking bytes, then go back to original position before peeking
1719 stream.Seek (streamPosition, SeekOrigin.Begin);
1721 throw new NotSupportedException();
1729 public StreamGetBytesDelegate GetBytesDelegate {
1731 if (stream != null && stream.CanRead) {
1733 sgbd = new StreamGetBytesDelegate (StreamGetBytesImpl);
1741 public long StreamSeekImpl (int offset, int whence)
1743 // Make sure we have a valid 'whence'.
1744 if ((whence < 0) || (whence > 2))
1747 // Invalidate the start_buf if we're actually going to call a Seek method.
1748 start_buf_pos += start_buf_len;
1753 // Translate 'whence' into a SeekOrigin enum member.
1756 case 0: origin = SeekOrigin.Begin; break;
1757 case 1: origin = SeekOrigin.Current; break;
1758 case 2: origin = SeekOrigin.End; break;
1760 // The following line is redundant but necessary to avoid a
1761 // "Use of unassigned local variable" error without actually
1762 // initializing 'origin' to a dummy value.
1766 // Do the actual seek operation and return its result.
1767 return stream.Seek ((long) offset, origin);
1770 public StreamSeekDelegate SeekDelegate {
1772 if (stream != null && stream.CanSeek) {
1774 skd = new StreamSeekDelegate (StreamSeekImpl);
1782 public int StreamPutBytesImpl (IntPtr buf, int bufsz)
1784 if (bufsz > managedBuf.Length)
1785 managedBuf = new byte[bufsz];
1786 Marshal.Copy (buf, managedBuf, 0, bufsz);
1787 stream.Write (managedBuf, 0, bufsz);
1791 public StreamPutBytesDelegate PutBytesDelegate {
1793 if (stream != null && stream.CanWrite) {
1795 spbd = new StreamPutBytesDelegate (StreamPutBytesImpl);
1803 public void StreamCloseImpl ()
1808 public StreamCloseDelegate CloseDelegate {
1810 if (stream != null) {
1812 scd = new StreamCloseDelegate (StreamCloseImpl);
1820 public long StreamSizeImpl ()
1823 return stream.Length;
1829 public StreamSizeDelegate SizeDelegate {
1831 if (stream != null) {
1833 ssd = new StreamSizeDelegate (StreamSizeImpl);
1843 /* Mac only function calls */
1844 [DllImport("gdiplus.dll")]
1845 internal static extern Status GdipCreateFromQuartz_macosx (IntPtr cgref, int width, int height, out IntPtr graphics);
1847 /* Linux only function calls*/
1848 [DllImport("gdiplus.dll")]
1849 internal static extern Status GdipSetVisibleClip_linux (IntPtr graphics, ref Rectangle rect);
1851 [DllImport("gdiplus.dll")]
1852 internal static extern Status GdipCreateFromXDrawable_linux (IntPtr drawable, IntPtr display, out IntPtr graphics);
1854 // Stream functions for non-Win32 (libgdiplus specific(
1855 [DllImport("gdiplus.dll")]
1856 static internal extern Status GdipLoadImageFromDelegate_linux ( StreamGetHeaderDelegate getHeader, StreamGetBytesDelegate getBytes, StreamPutBytesDelegate putBytes,
1857 StreamSeekDelegate doSeek, StreamCloseDelegate close, StreamSizeDelegate size, out IntPtr image);
1858 [DllImport("gdiplus.dll")]
1859 static internal extern Status GdipSaveImageToDelegate_linux ( IntPtr image, StreamGetBytesDelegate getBytes, StreamPutBytesDelegate putBytes,
1860 StreamSeekDelegate doSeek, StreamCloseDelegate close, StreamSizeDelegate size, ref Guid encoderClsID, IntPtr encoderParameters );