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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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281 * it just returns false and leaves result and offset unchanged. | 281 * it just returns false and leaves result and offset unchanged. |
282 */ | 282 */ |
283 virtual bool filterImage(const SkImageFilter*, const SkBitmap&, | 283 virtual bool filterImage(const SkImageFilter*, const SkBitmap&, |
284 const SkImageFilter::Context& ctx, | 284 const SkImageFilter::Context& ctx, |
285 SkBitmap* result, SkIPoint* offset) { | 285 SkBitmap* result, SkIPoint* offset) { |
286 return false; | 286 return false; |
287 } | 287 } |
288 | 288 |
289 protected: | 289 protected: |
290 // default impl returns NULL | 290 // default impl returns NULL |
291 virtual SkSurface* newSurface(const SkImageInfo&, const SkSurfaceProps&); | 291 virtual SkSurface* newSurface(const SkImageInfo&); |
292 | 292 |
293 // default impl returns NULL | 293 // default impl returns NULL |
294 virtual const void* peekPixels(SkImageInfo*, size_t* rowBytes); | 294 virtual const void* peekPixels(SkImageInfo*, size_t* rowBytes); |
295 | 295 |
296 /** | 296 /** |
297 * The caller is responsible for "pre-clipping" the dst. The impl can assum
e that the dst | 297 * The caller is responsible for "pre-clipping" the dst. The impl can assum
e that the dst |
298 * image at the specified x,y offset will fit within the device's bounds. | 298 * image at the specified x,y offset will fit within the device's bounds. |
299 * | 299 * |
300 * This is explicitly asserted in readPixels(), the public way to call this
. | 300 * This is explicitly asserted in readPixels(), the public way to call this
. |
301 */ | 301 */ |
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336 * of 'picture'. If optimization data is available (due to an earlier | 336 * of 'picture'. If optimization data is available (due to an earlier |
337 * 'optimize' call) this entry point should make use of it and return true | 337 * 'optimize' call) this entry point should make use of it and return true |
338 * if all rendering has been done. If false is returned, SkCanvas will | 338 * if all rendering has been done. If false is returned, SkCanvas will |
339 * perform its own rendering pass. It is acceptable for the backend | 339 * perform its own rendering pass. It is acceptable for the backend |
340 * to perform some device-specific warm up tasks and then let SkCanvas | 340 * to perform some device-specific warm up tasks and then let SkCanvas |
341 * perform the main rendering loop (by return false from here). | 341 * perform the main rendering loop (by return false from here). |
342 */ | 342 */ |
343 virtual bool EXPERIMENTAL_drawPicture(SkCanvas*, const SkPicture*, const SkM
atrix*, | 343 virtual bool EXPERIMENTAL_drawPicture(SkCanvas*, const SkPicture*, const SkM
atrix*, |
344 const SkPaint*); | 344 const SkPaint*); |
345 | 345 |
346 void setPixelGeometry(SkPixelGeometry geo); | |
347 | |
348 private: | 346 private: |
349 friend class SkCanvas; | 347 friend class SkCanvas; |
350 friend struct DeviceCM; //for setMatrixClip | 348 friend struct DeviceCM; //for setMatrixClip |
351 friend class SkDraw; | 349 friend class SkDraw; |
352 friend class SkDrawIter; | 350 friend class SkDrawIter; |
353 friend class SkDeviceFilteredPaint; | 351 friend class SkDeviceFilteredPaint; |
354 friend class SkDeviceImageFilterProxy; | 352 friend class SkDeviceImageFilterProxy; |
355 friend class SkDeferredDevice; // for newSurface | 353 friend class SkDeferredDevice; // for newSurface |
356 | 354 |
357 friend class SkSurface_Raster; | 355 friend class SkSurface_Raster; |
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384 SkDeviceProperties* fLeakyProperties; // will always exist. | 382 SkDeviceProperties* fLeakyProperties; // will always exist. |
385 | 383 |
386 #ifdef SK_DEBUG | 384 #ifdef SK_DEBUG |
387 bool fAttachedToCanvas; | 385 bool fAttachedToCanvas; |
388 #endif | 386 #endif |
389 | 387 |
390 typedef SkRefCnt INHERITED; | 388 typedef SkRefCnt INHERITED; |
391 }; | 389 }; |
392 | 390 |
393 #endif | 391 #endif |
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