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1 /* | 1 /* |
2 * Copyright 2010 The Android Open Source Project | 2 * Copyright 2010 The Android Open Source Project |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkDevice_DEFINED | 8 #ifndef SkDevice_DEFINED |
9 #define SkDevice_DEFINED | 9 #define SkDevice_DEFINED |
10 | 10 |
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371 * a device that it knows how to draw, and that it knows how to identify if
it is not of the | 371 * a device that it knows how to draw, and that it knows how to identify if
it is not of the |
372 * same subclass (since drawDevice is passed a SkBaseDevice*). If the subcl
ass cannot fulfill | 372 * same subclass (since drawDevice is passed a SkBaseDevice*). If the subcl
ass cannot fulfill |
373 * that contract (e.g. PDF cannot support some settings on the paint) it sh
ould return NULL, | 373 * that contract (e.g. PDF cannot support some settings on the paint) it sh
ould return NULL, |
374 * and the caller may then decide to explicitly create a bitmapdevice, know
ing that later | 374 * and the caller may then decide to explicitly create a bitmapdevice, know
ing that later |
375 * it could not call drawDevice with it (but it could call drawSprite or dr
awBitmap). | 375 * it could not call drawDevice with it (but it could call drawSprite or dr
awBitmap). |
376 */ | 376 */ |
377 virtual SkBaseDevice* onCreateDevice(const CreateInfo&, const SkPaint*) { | 377 virtual SkBaseDevice* onCreateDevice(const CreateInfo&, const SkPaint*) { |
378 return NULL; | 378 return NULL; |
379 } | 379 } |
380 | 380 |
381 /** | |
382 * Calls through to drawSprite, processing the imagefilter. | |
383 */ | |
384 virtual void drawBitmapAsSpriteWithImageFilter(const SkDraw&, const SkBitmap
&, | |
385 int x, int y, const SkPaint&)
; | |
386 | |
387 private: | 381 private: |
388 friend class SkCanvas; | 382 friend class SkCanvas; |
389 friend struct DeviceCM; //for setMatrixClip | 383 friend struct DeviceCM; //for setMatrixClip |
390 friend class SkDraw; | 384 friend class SkDraw; |
391 friend class SkDrawIter; | 385 friend class SkDrawIter; |
392 friend class SkDeviceFilteredPaint; | 386 friend class SkDeviceFilteredPaint; |
393 friend class SkImageFilter::DeviceProxy; | 387 friend class SkImageFilter::DeviceProxy; |
394 friend class SkNoPixelsBitmapDevice; | 388 friend class SkNoPixelsBitmapDevice; |
395 friend class SkSurface_Raster; | 389 friend class SkSurface_Raster; |
396 | 390 |
| 391 /** |
| 392 * Calls through to drawSprite, processing imagefilter as needed. |
| 393 */ |
| 394 void drawBitmapAsSprite(const SkDraw&, const SkBitmap&, int x, int y, const
SkPaint&); |
| 395 |
397 // used to change the backend's pixels (and possibly config/rowbytes) | 396 // used to change the backend's pixels (and possibly config/rowbytes) |
398 // but cannot change the width/height, so there should be no change to | 397 // but cannot change the width/height, so there should be no change to |
399 // any clip information. | 398 // any clip information. |
400 // TODO: move to SkBitmapDevice | 399 // TODO: move to SkBitmapDevice |
401 virtual void replaceBitmapBackendForRasterSurface(const SkBitmap&) {} | 400 virtual void replaceBitmapBackendForRasterSurface(const SkBitmap&) {} |
402 | 401 |
403 virtual bool forceConservativeRasterClip() const { return false; } | 402 virtual bool forceConservativeRasterClip() const { return false; } |
404 | 403 |
405 // just called by SkCanvas when built as a layer | 404 // just called by SkCanvas when built as a layer |
406 void setOrigin(int x, int y) { fOrigin.set(x, y); } | 405 void setOrigin(int x, int y) { fOrigin.set(x, y); } |
407 | 406 |
408 /** Causes any deferred drawing to the device to be completed. | 407 /** Causes any deferred drawing to the device to be completed. |
409 */ | 408 */ |
410 virtual void flush() {} | 409 virtual void flush() {} |
411 | 410 |
412 virtual SkImageFilter::Cache* getImageFilterCache() { return NULL; } | 411 virtual SkImageFilter::Cache* getImageFilterCache() { return NULL; } |
413 | 412 |
414 SkIPoint fOrigin; | 413 SkIPoint fOrigin; |
415 SkMetaData* fMetaData; | 414 SkMetaData* fMetaData; |
416 SkSurfaceProps fSurfaceProps; | 415 SkSurfaceProps fSurfaceProps; |
417 | 416 |
418 #ifdef SK_DEBUG | 417 #ifdef SK_DEBUG |
419 bool fAttachedToCanvas; | 418 bool fAttachedToCanvas; |
420 #endif | 419 #endif |
421 | 420 |
422 typedef SkRefCnt INHERITED; | 421 typedef SkRefCnt INHERITED; |
423 }; | 422 }; |
424 | 423 |
425 #endif | 424 #endif |
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