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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
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 SkImageFilter_DEFINED | 8 #ifndef SkImageFilter_DEFINED |
9 #define SkImageFilter_DEFINED | 9 #define SkImageFilter_DEFINED |
10 | 10 |
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286 const SkBitmap& src, const Context&, | 286 const SkBitmap& src, const Context&, |
287 SkBitmap* result, SkIPoint* offset) const; | 287 SkBitmap* result, SkIPoint* offset) const; |
288 #endif | 288 #endif |
289 | 289 |
290 SK_TO_STRING_PUREVIRT() | 290 SK_TO_STRING_PUREVIRT() |
291 SK_DEFINE_FLATTENABLE_TYPE(SkImageFilter) | 291 SK_DEFINE_FLATTENABLE_TYPE(SkImageFilter) |
292 | 292 |
293 protected: | 293 protected: |
294 class Common { | 294 class Common { |
295 public: | 295 public: |
296 Common() {} | |
297 ~Common(); | |
298 | |
299 /** | 296 /** |
300 * Attempt to unflatten the cropRect and the expected number of input f
ilters. | 297 * Attempt to unflatten the cropRect and the expected number of input f
ilters. |
301 * If any number of input filters is valid, pass -1. | 298 * If any number of input filters is valid, pass -1. |
302 * If this fails (i.e. corrupt buffer or contents) then return false an
d common will | 299 * If this fails (i.e. corrupt buffer or contents) then return false an
d common will |
303 * be left uninitialized. | 300 * be left uninitialized. |
304 * If this returns true, then inputCount() is the number of found input
filters, each | 301 * If this returns true, then inputCount() is the number of found input
filters, each |
305 * of which may be NULL or a valid imagefilter. | 302 * of which may be NULL or a valid imagefilter. |
306 */ | 303 */ |
307 bool unflatten(SkReadBuffer&, int expectedInputs); | 304 bool unflatten(SkReadBuffer&, int expectedInputs); |
308 | 305 |
309 const CropRect& cropRect() const { return fCropRect; } | 306 const CropRect& cropRect() const { return fCropRect; } |
310 int inputCount() const { return fInputs.count(); } | 307 int inputCount() const { return fInputs.count(); } |
311 SkImageFilter** inputs() const { return fInputs.get(); } | 308 sk_sp<SkImageFilter>* inputs() const { return fInputs.get(); } |
312 | 309 |
313 SkImageFilter* getInput(int index) const { return fInputs[index]; } | 310 sk_sp<SkImageFilter> getInput(int index) const { return fInputs[index];
} |
314 | 311 |
315 // If the caller wants a copy of the inputs, call this and it will trans
fer ownership | 312 // If the caller wants a copy of the inputs, call this and it will trans
fer ownership |
316 // of the unflattened input filters to the caller. This is just a short-
cut for copying | 313 // of the unflattened input filters to the caller. This is just a short-
cut for copying |
317 // the inputs, calling ref() on each, and then waiting for Common's dest
ructor to call | 314 // the inputs, calling ref() on each, and then waiting for Common's dest
ructor to call |
318 // unref() on each. | 315 // unref() on each. |
319 void detachInputs(SkImageFilter** inputs); | 316 void detachInputs(SkImageFilter** inputs); |
320 | 317 |
321 private: | 318 private: |
322 CropRect fCropRect; | 319 CropRect fCropRect; |
323 // most filters accept at most 2 input-filters | 320 // most filters accept at most 2 input-filters |
324 SkAutoSTArray<2, SkImageFilter*> fInputs; | 321 SkAutoSTArray<2, sk_sp<SkImageFilter>> fInputs; |
325 | 322 |
326 void allocInputs(int count); | 323 void allocInputs(int count); |
327 }; | 324 }; |
328 | 325 |
329 SkImageFilter(int inputCount, SkImageFilter** inputs, const CropRect* cropRe
ct = nullptr); | 326 SkImageFilter(int inputCount, SkImageFilter** inputs, const CropRect* cropRe
ct = nullptr); |
330 | 327 |
331 SkImageFilter(sk_sp<SkImageFilter>* inputs, int inputCount, const CropRect*
cropRect); | 328 SkImageFilter(sk_sp<SkImageFilter>* inputs, int inputCount, const CropRect*
cropRect); |
332 | 329 |
333 virtual ~SkImageFilter(); | 330 virtual ~SkImageFilter(); |
334 | 331 |
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485 */ | 482 */ |
486 #define SK_IMAGEFILTER_UNFLATTEN_COMMON(localVar, expectedCount) \ | 483 #define SK_IMAGEFILTER_UNFLATTEN_COMMON(localVar, expectedCount) \ |
487 Common localVar; \ | 484 Common localVar; \ |
488 do { \ | 485 do { \ |
489 if (!localVar.unflatten(buffer, expectedCount)) { \ | 486 if (!localVar.unflatten(buffer, expectedCount)) { \ |
490 return NULL; \ | 487 return NULL; \ |
491 } \ | 488 } \ |
492 } while (0) | 489 } while (0) |
493 | 490 |
494 #endif | 491 #endif |
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