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| 1 | |
| 2 /* | |
| 3 * Copyright 2014 Google Inc. | |
| 4 * | |
| 5 * Use of this source code is governed by a BSD-style license that can be | |
| 6 * found in the LICENSE file. | |
| 7 */ | |
| 8 | |
| 9 #ifndef SkPictureRangePlayback_DEFINED | |
| 10 #define SkPictureRangePlayback_DEFINED | |
| 11 | |
| 12 #include "SkPicturePlayback.h" | |
| 13 | |
| 14 // This version of picture playback plays all the operations between | |
| 15 // a pair of start and stop values. | |
| 16 // The opcode at 'start' should be a saveLayer while the opcode at | |
| 17 // 'stop' should be a restore. Neither of those commands will be issued. | |
| 18 // Since this class never uses the bounding box hierarchy, the base class' | |
| 19 // useBBH setting is ignored. | |
| 20 class SkPictureRangePlayback : public SkPicturePlayback { | |
| 21 public: | |
| 22 // Set both start & stop to 0 to disable draw limiting. Note that disabling | |
| 23 // draw limiting isn't the same as using the base SkPicturePlayback object | |
| 24 // since this class never uses the bounding box hierarchy information. | |
| 25 SkPictureRangePlayback(const SkPicture* picture, size_t start, size_t stop) | |
| 26 : INHERITED(picture) | |
| 27 , fStart(start) | |
| 28 , fStop(stop) { | |
| 29 } | |
| 30 | |
| 31 virtual void draw(SkCanvas* canvas, SkDrawPictureCallback*) SK_OVERRIDE; | |
| 32 | |
| 33 private: | |
| 34 size_t fStart; | |
| 35 size_t fStop; | |
| 36 | |
| 37 typedef SkPicturePlayback INHERITED; | |
| 38 }; | |
| 39 | |
| 40 | |
| 41 #endif | |
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