1/*
2 * gdiplusbrush.h
3 *
4 * GDI+ brush classes
5 *
6 * This file is part of the w32api package.
7 *
8 * Contributors:
9 * Created by Markus Koenig <markus@stber-koenig.de>
10 *
11 * THIS SOFTWARE IS NOT COPYRIGHTED
12 *
13 * This source code is offered for use in the public domain. You may
14 * use, modify or distribute it freely.
15 *
16 * This code is distributed in the hope that it will be useful but
17 * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
18 * DISCLAIMED. This includes but is not limited to warranties of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
20 *
21 */
22
23#ifndef __GDIPLUS_BRUSH_H
24#define __GDIPLUS_BRUSH_H
25#if __GNUC__ >=3
26#pragma GCC system_header
27#endif
28
29#ifndef __cplusplus
30#error "A C++ compiler is required to include gdiplusbrush.h."
31#endif
32
33class Brush: public GdiplusBase
34{
35 friend class HatchBrush;
36 friend class LinearGradientBrush;
37 friend class PathGradientBrush;
38 friend class SolidBrush;
39 friend class TextureBrush;
40 friend class Graphics;
41 friend class Pen;
42
43public:
44 virtual ~Brush()
45 {
46 DllExports::GdipDeleteBrush(nativeBrush);
47 }
48 virtual Brush* Clone() const // each subclass must implement this
49 {
50 lastStatus = NotImplemented;
51 return NULL;
52 }
53
54 Status GetLastStatus() const
55 {
56 Status result = lastStatus;
57 lastStatus = Ok;
58 return result;
59 }
60 BrushType GetType() const
61 {
62 BrushType result = BrushTypeSolidColor;
63 updateStatus(DllExports::GdipGetBrushType(nativeBrush, &result));
64 return result;
65 }
66
67private:
68 Brush(): nativeBrush(NULL), lastStatus(Ok) {}
69 Brush(GpBrush *brush, Status status):
70 nativeBrush(brush), lastStatus(status) {}
71 Brush(const Brush& brush);
72 Brush& operator=(const Brush&);
73
74 Status updateStatus(Status newStatus) const
75 {
76 if (newStatus != Ok) lastStatus = newStatus;
77 return newStatus;
78 }
79
80 GpBrush *nativeBrush;
81 mutable Status lastStatus;
82};
83
84class HatchBrush: public Brush
85{
86public:
87 HatchBrush(HatchStyle hatchStyle,
88 const Color& foreColor,
89 const Color& backColor = Color())
90 {
91 GpHatch *nativeHatch = NULL;
92 lastStatus = DllExports::GdipCreateHatchBrush(hatchStyle,
93 foreColor.GetValue(), backColor.GetValue(),
94 &nativeHatch);
95 nativeBrush = nativeHatch;
96 }
97 virtual HatchBrush* Clone() const
98 {
99 GpBrush *cloneBrush = NULL;
100 Status status = updateStatus(DllExports::GdipCloneBrush(
101 nativeBrush, &cloneBrush));
102 if (status == Ok) {
103 HatchBrush *result =
104 new HatchBrush(cloneBrush, lastStatus);
105 if (!result) {
106 DllExports::GdipDeleteBrush(cloneBrush);
107 updateStatus(OutOfMemory);
108 }
109 return result;
110 } else {
111 return NULL;
112 }
113 }
114
115 Status GetBackgroundColor(Color *color) const
116 {
117 return updateStatus(DllExports::GdipGetHatchBackgroundColor(
118 (GpHatch*) nativeBrush,
119 color ? &color->Value : NULL));
120 }
121 Status GetForegroundColor(Color *color) const
122 {
123 return updateStatus(DllExports::GdipGetHatchForegroundColor(
124 (GpHatch*) nativeBrush,
125 color ? &color->Value : NULL));
126 }
127 HatchStyle GetHatchStyle() const
128 {
129 HatchStyle result;
130 updateStatus(DllExports::GdipGetHatchStyle(
131 (GpHatch*) nativeBrush, &result));
132 return result;
133 }
134
135private:
136 HatchBrush(GpBrush *brush, Status status): Brush(brush, status) {}
137 HatchBrush(const HatchBrush& brush);
138 HatchBrush& operator=(const HatchBrush&);
139};
140
141class LinearGradientBrush: public Brush
142{
143public:
144 LinearGradientBrush(const PointF& point1, const PointF& point2,
145 const Color& color1, const Color& color2)
146 {
147 GpLineGradient *nativeLineGradient = NULL;
148 lastStatus = DllExports::GdipCreateLineBrush(
149 &point1, &point2,
150 color1.GetValue(), color2.GetValue(),
151 WrapModeTile, &nativeLineGradient);
152 nativeBrush = nativeLineGradient;
153 }
154 LinearGradientBrush(const Point& point1, const Point& point2,
155 const Color& color1, const Color& color2)
156 {
157 GpLineGradient *nativeLineGradient = NULL;
158 lastStatus = DllExports::GdipCreateLineBrushI(
159 &point1, &point2,
160 color1.GetValue(), color2.GetValue(),
161 WrapModeTile, &nativeLineGradient);
162 nativeBrush = nativeLineGradient;
163 }
164 LinearGradientBrush(const RectF& rect, const Color& color1,
165 const Color& color2, LinearGradientMode mode)
166 {
167 GpLineGradient *nativeLineGradient = NULL;
168 lastStatus = DllExports::GdipCreateLineBrushFromRect(
169 &rect, color1.GetValue(), color2.GetValue(),
170 mode, WrapModeTile, &nativeLineGradient);
171 nativeBrush = nativeLineGradient;
172 }
173 LinearGradientBrush(const Rect& rect, const Color& color1,
174 const Color& color2, LinearGradientMode mode)
175 {
176 GpLineGradient *nativeLineGradient = NULL;
177 lastStatus = DllExports::GdipCreateLineBrushFromRectI(
178 &rect, color1.GetValue(), color2.GetValue(),
179 mode, WrapModeTile, &nativeLineGradient);
180 nativeBrush = nativeLineGradient;
181 }
182 LinearGradientBrush(const RectF& rect, const Color& color1,
183 const Color& color2, REAL angle,
184 BOOL isAngleScalable = FALSE)
185 {
186 GpLineGradient *nativeLineGradient = NULL;
187 lastStatus = DllExports::GdipCreateLineBrushFromRectWithAngle(
188 &rect, color1.GetValue(), color2.GetValue(),
189 angle, isAngleScalable, WrapModeTile,
190 &nativeLineGradient);
191 nativeBrush = nativeLineGradient;
192 }
193 LinearGradientBrush(const Rect& rect, const Color& color1,
194 const Color& color2, REAL angle,
195 BOOL isAngleScalable = FALSE)
196 {
197 GpLineGradient *nativeLineGradient = NULL;
198 lastStatus = DllExports::GdipCreateLineBrushFromRectWithAngleI(
199 &rect, color1.GetValue(), color2.GetValue(),
200 angle, isAngleScalable, WrapModeTile,
201 &nativeLineGradient);
202 nativeBrush = nativeLineGradient;
203 }
204 virtual LinearGradientBrush* Clone() const
205 {
206 GpBrush *cloneBrush = NULL;
207 Status status = updateStatus(DllExports::GdipCloneBrush(
208 nativeBrush, &cloneBrush));
209 if (status == Ok) {
210 LinearGradientBrush *result =
211 new LinearGradientBrush(cloneBrush, lastStatus);
212 if (!result) {
213 DllExports::GdipDeleteBrush(cloneBrush);
214 updateStatus(OutOfMemory);
215 }
216 return result;
217 } else {
218 return NULL;
219 }
220 }
221
222 Status GetBlend(REAL *blendFactors, REAL *blendPositions,
223 INT count) const
224 {
225 return updateStatus(DllExports::GdipGetLineBlend(
226 (GpLineGradient*) nativeBrush,
227 blendFactors, blendPositions, count));
228 }
229 INT GetBlendCount() const
230 {
231 INT result = 0;
232 updateStatus(DllExports::GdipGetLineBlendCount(
233 (GpLineGradient*) nativeBrush, &result));
234 return result;
235 }
236 BOOL GetGammaCorrection() const
237 {
238 BOOL result = FALSE;
239 updateStatus(DllExports::GdipGetLineGammaCorrection(
240 (GpLineGradient*) nativeBrush, &result));
241 return result;
242 }
243 INT GetInterpolationColorCount() const
244 {
245 INT result = 0;
246 updateStatus(DllExports::GdipGetLinePresetBlendCount(
247 (GpLineGradient*) nativeBrush, &result));
248 return result;
249 }
250 Status GetInterpolationColors(Color *presetColors,
251 REAL *blendPositions, INT count) const
252 {
253 if (!presetColors || count <= 0)
254 return lastStatus = InvalidParameter;
255
256 ARGB *presetArgb =
257 (ARGB*) DllExports::GdipAlloc(count * sizeof(ARGB));
258 if (!presetArgb)
259 return lastStatus = OutOfMemory;
260
261 Status status = updateStatus(DllExports::GdipGetLinePresetBlend(
262 (GpLineGradient*) nativeBrush, presetArgb,
263 blendPositions, count));
264 for (INT i = 0; i < count; ++i) {
265 presetColors[i].SetValue(presetArgb[i]);
266 }
267 DllExports::GdipFree((void*) presetArgb);
268 return status;
269 }
270 Status GetLinearColors(Color *colors) const
271 {
272 if (!colors) return lastStatus = InvalidParameter;
273
274 ARGB colorsArgb[2];
275 Status status = updateStatus(DllExports::GdipGetLineColors(
276 (GpLineGradient*) nativeBrush, colorsArgb));
277 colors[0].SetValue(colorsArgb[0]);
278 colors[1].SetValue(colorsArgb[1]);
279 return status;
280 }
281 Status GetRectangle(RectF *rect) const
282 {
283 return updateStatus(DllExports::GdipGetLineRect(
284 (GpLineGradient*) nativeBrush, rect));
285 }
286 Status GetRectangle(Rect *rect) const
287 {
288 return updateStatus(DllExports::GdipGetLineRectI(
289 (GpLineGradient*) nativeBrush, rect));
290 }
291 Status GetTransform(Matrix *matrix) const
292 {
293 return updateStatus(DllExports::GdipGetLineTransform(
294 (GpLineGradient*) nativeBrush,
295 matrix ? matrix->nativeMatrix : NULL));
296 }
297 WrapMode GetWrapMode() const
298 {
299 WrapMode wrapMode = WrapModeTile;
300 updateStatus(DllExports::GdipGetLineWrapMode(
301 (GpLineGradient*) nativeBrush, &wrapMode));
302 return wrapMode;
303 }
304 Status MultiplyTransform(const Matrix *matrix,
305 MatrixOrder order = MatrixOrderPrepend)
306 {
307 return updateStatus(DllExports::GdipMultiplyLineTransform(
308 (GpLineGradient*) nativeBrush,
309 matrix ? matrix->nativeMatrix : NULL, order));
310 }
311 Status ResetTransform()
312 {
313 return updateStatus(DllExports::GdipResetLineTransform(
314 (GpLineGradient*) nativeBrush));
315 }
316 Status RotateTranform(REAL angle, MatrixOrder order = MatrixOrderPrepend)
317 {
318 return updateStatus(DllExports::GdipRotateLineTransform(
319 (GpLineGradient*) nativeBrush, angle, order));
320 }
321 Status ScaleTransform(REAL sx, REAL sy,
322 MatrixOrder order = MatrixOrderPrepend)
323 {
324 return updateStatus(DllExports::GdipScaleLineTransform(
325 (GpLineGradient*) nativeBrush, sx, sy, order));
326 }
327 Status SetBlend(const REAL *blendFactors,
328 const REAL *blendPositions, INT count)
329 {
330 return updateStatus(DllExports::GdipSetLineBlend(
331 (GpLineGradient*) nativeBrush,
332 blendFactors, blendPositions, count));
333 }
334 Status SetBlendBellShape(REAL focus, REAL scale = 1.0f)
335 {
336 return updateStatus(DllExports::GdipSetLineSigmaBlend(
337 (GpLineGradient*) nativeBrush,
338 focus, scale));
339 }
340 Status SetBlendTriangularShape(REAL focus, REAL scale = 1.0f)
341 {
342 return updateStatus(DllExports::GdipSetLineLinearBlend(
343 (GpLineGradient*) nativeBrush,
344 focus, scale));
345 }
346 Status SetGammaCorrection(BOOL useGammaCorrection)
347 {
348 return updateStatus(DllExports::GdipSetLineGammaCorrection(
349 (GpLineGradient*) nativeBrush,
350 useGammaCorrection));
351 }
352 Status SetInterpolationColors(const Color *presetColors,
353 const REAL *blendPositions, INT count)
354 {
355 if (!presetColors || count < 0)
356 return lastStatus = InvalidParameter;
357
358 ARGB *presetArgb =
359 (ARGB*) DllExports::GdipAlloc(count * sizeof(ARGB));
360 if (!presetArgb)
361 return lastStatus = OutOfMemory;
362 for (INT i = 0; i < count; ++i) {
363 presetArgb[i] = presetColors[i].GetValue();
364 }
365
366 Status status = updateStatus(DllExports::GdipSetLinePresetBlend(
367 (GpLineGradient*) nativeBrush,
368 presetArgb, blendPositions, count));
369 DllExports::GdipFree((void*) presetArgb);
370 return status;
371 }
372 Status SetLinearColors(const Color& color1, const Color& color2)
373 {
374 return updateStatus(DllExports::GdipSetLineColors(
375 (GpLineGradient*) nativeBrush,
376 color1.GetValue(), color2.GetValue()));
377 }
378 Status SetTransform(const Matrix *matrix)
379 {
380 return updateStatus(DllExports::GdipSetLineTransform(
381 (GpLineGradient*) nativeBrush,
382 matrix ? matrix->nativeMatrix : NULL));
383 }
384 Status SetWrapMode(WrapMode wrapMode)
385 {
386 return updateStatus(DllExports::GdipSetLineWrapMode(
387 (GpLineGradient*) nativeBrush, wrapMode));
388 }
389 Status TranslateTransform(REAL dx, REAL dy,
390 MatrixOrder order = MatrixOrderPrepend)
391 {
392 return updateStatus(DllExports::GdipTranslateLineTransform(
393 (GpLineGradient*) nativeBrush, dx, dy, order));
394 }
395
396private:
397 LinearGradientBrush(GpBrush *brush, Status status): Brush(brush, status) {}
398 LinearGradientBrush(const LinearGradientBrush& brush);
399 LinearGradientBrush& operator=(const LinearGradientBrush&);
400};
401
402class SolidBrush: public Brush
403{
404public:
405 SolidBrush(const Color& color)
406 {
407 GpSolidFill *nativeSolidFill = NULL;
408 lastStatus = DllExports::GdipCreateSolidFill(
409 color.GetValue(), &nativeSolidFill);
410 nativeBrush = nativeSolidFill;
411 }
412 virtual SolidBrush* Clone() const
413 {
414 GpBrush *cloneBrush = NULL;
415 Status status = updateStatus(DllExports::GdipCloneBrush(
416 nativeBrush, &cloneBrush));
417 if (status == Ok) {
418 SolidBrush *result =
419 new SolidBrush(cloneBrush, lastStatus);
420 if (!result) {
421 DllExports::GdipDeleteBrush(cloneBrush);
422 updateStatus(OutOfMemory);
423 }
424 return result;
425 } else {
426 return NULL;
427 }
428 }
429
430 Status GetColor(Color *color) const
431 {
432 return updateStatus(DllExports::GdipGetSolidFillColor(
433 (GpSolidFill*) nativeBrush,
434 color ? &color->Value : NULL));
435 }
436 Status SetColor(const Color& color)
437 {
438 return updateStatus(DllExports::GdipSetSolidFillColor(
439 (GpSolidFill*) nativeBrush, color.GetValue()));
440 }
441
442private:
443 SolidBrush(GpBrush *brush, Status status): Brush(brush, status) {}
444 SolidBrush(const SolidBrush&);
445 SolidBrush& operator=(const SolidBrush&);
446};
447
448class TextureBrush: public Brush
449{
450public:
451 TextureBrush(Image *image, WrapMode wrapMode = WrapModeTile)
452 {
453 GpTexture *nativeTexture = NULL;
454 lastStatus = DllExports::GdipCreateTexture(
455 image ? image->nativeImage : NULL,
456 wrapMode, &nativeTexture);
457 nativeBrush = nativeTexture;
458 }
459 TextureBrush(Image *image, WrapMode wrapMode,
460 REAL dstX, REAL dstY, REAL dstWidth, REAL dstHeight)
461 {
462 GpTexture *nativeTexture = NULL;
463 lastStatus = DllExports::GdipCreateTexture2(
464 image ? image->nativeImage : NULL,
465 wrapMode, dstX, dstY, dstWidth, dstHeight,
466 &nativeTexture);
467 nativeBrush = nativeTexture;
468 }
469 TextureBrush(Image *image, WrapMode wrapMode,
470 INT dstX, INT dstY, INT dstWidth, INT dstHeight)
471 {
472 GpTexture *nativeTexture = NULL;
473 lastStatus = DllExports::GdipCreateTexture2I(
474 image ? image->nativeImage : NULL,
475 wrapMode, dstX, dstY, dstWidth, dstHeight,
476 &nativeTexture);
477 nativeBrush = nativeTexture;
478 }
479 TextureBrush(Image *image, WrapMode wrapMode, const RectF& dstRect)
480 {
481 GpTexture *nativeTexture = NULL;
482 lastStatus = DllExports::GdipCreateTexture2(
483 image ? image->nativeImage : NULL, wrapMode,
484 dstRect.X, dstRect.Y,
485 dstRect.Width, dstRect.Height, &nativeTexture);
486 nativeBrush = nativeTexture;
487 }
488 TextureBrush(Image *image, WrapMode wrapMode, const Rect& dstRect)
489 {
490 GpTexture *nativeTexture = NULL;
491 lastStatus = DllExports::GdipCreateTexture2I(
492 image ? image->nativeImage : NULL, wrapMode,
493 dstRect.X, dstRect.Y,
494 dstRect.Width, dstRect.Height, &nativeTexture);
495 nativeBrush = nativeTexture;
496 }
497 TextureBrush(Image *image, const RectF& dstRect,
498 ImageAttributes *imageAttributes = NULL)
499 {
500 GpTexture *nativeTexture = NULL;
501 lastStatus = DllExports::GdipCreateTextureIA(
502 image ? image->nativeImage : NULL,
503 imageAttributes ? imageAttributes->nativeImageAttributes : NULL,
504 dstRect.X, dstRect.Y,
505 dstRect.Width, dstRect.Height, &nativeTexture);
506 nativeBrush = nativeTexture;
507 }
508 TextureBrush(Image *image, const Rect& dstRect,
509 ImageAttributes *imageAttributes = NULL)
510 {
511 GpTexture *nativeTexture = NULL;
512 lastStatus = DllExports::GdipCreateTextureIAI(
513 image ? image->nativeImage : NULL,
514 imageAttributes ? imageAttributes->nativeImageAttributes : NULL,
515 dstRect.X, dstRect.Y,
516 dstRect.Width, dstRect.Height, &nativeTexture);
517 nativeBrush = nativeTexture;
518 }
519 virtual TextureBrush* Clone() const
520 {
521 GpBrush *cloneBrush = NULL;
522 Status status = updateStatus(DllExports::GdipCloneBrush(
523 nativeBrush, &cloneBrush));
524 if (status == Ok) {
525 TextureBrush *result =
526 new TextureBrush(cloneBrush, lastStatus);
527 if (!result) {
528 DllExports::GdipDeleteBrush(cloneBrush);
529 updateStatus(OutOfMemory);
530 }
531 return result;
532 } else {
533 return NULL;
534 }
535 }
536
537 //TODO: implement TextureBrush::GetImage()
538 //Image *GetImage() const
539 //{
540 // // where is the Image allocated (static,member,new,other)?
541 // // GdipGetTextureImage just returns a GpImage*
542 // updateStatus(NotImplemented);
543 // return NULL;
544 //}
545 Status GetTransfrom(Matrix *matrix) const
546 {
547 return updateStatus(DllExports::GdipGetTextureTransform(
548 (GpTexture*) nativeBrush,
549 matrix ? matrix->nativeMatrix : NULL));
550 }
551 WrapMode GetWrapMode() const
552 {
553 WrapMode result = WrapModeTile;
554 updateStatus(DllExports::GdipGetTextureWrapMode(
555 (GpTexture*) nativeBrush, &result));
556 return result;
557 }
558 Status MultiplyTransform(const Matrix *matrix,
559 MatrixOrder order = MatrixOrderPrepend)
560 {
561 return updateStatus(DllExports::GdipMultiplyTextureTransform(
562 (GpTexture*) nativeBrush,
563 matrix ? matrix->nativeMatrix : NULL, order));
564 }
565 Status ResetTransform()
566 {
567 return updateStatus(DllExports::GdipResetTextureTransform(
568 (GpTexture*) nativeBrush));
569 }
570 Status RotateTransform(REAL angle,
571 MatrixOrder order = MatrixOrderPrepend)
572 {
573 return updateStatus(DllExports::GdipRotateTextureTransform(
574 (GpTexture*) nativeBrush, angle, order));
575 }
576 Status ScaleTransform(REAL sx, REAL sy,
577 MatrixOrder order = MatrixOrderPrepend)
578 {
579 return updateStatus(DllExports::GdipScaleTextureTransform(
580 (GpTexture*) nativeBrush, sx, sy, order));
581 }
582 Status SetTransform(const Matrix *matrix)
583 {
584 return updateStatus(DllExports::GdipSetTextureTransform(
585 (GpTexture*) nativeBrush,
586 matrix ? matrix->nativeMatrix : NULL));
587 }
588 Status SetWrapMode(WrapMode wrapMode)
589 {
590 return updateStatus(DllExports::GdipSetTextureWrapMode(
591 (GpTexture*) nativeBrush, wrapMode));
592 }
593 Status TranslateTransform(REAL dx, REAL dy,
594 MatrixOrder order = MatrixOrderPrepend)
595 {
596 return updateStatus(DllExports::GdipTranslateTextureTransform(
597 (GpTexture*) nativeBrush, dx, dy, order));
598 }
599
600private:
601 TextureBrush(GpBrush *brush, Status status): Brush(brush, status) {}
602 TextureBrush(const TextureBrush&);
603 TextureBrush& operator=(const TextureBrush&);
604};
605
606#endif /* __GDIPLUS_BRUSH_H */