| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkRecording_DEFINED |
| #define SkRecording_DEFINED |
| |
| #include "SkCanvas.h" // SkCanvas |
| #include "SkTypes.h" // SkNoncopyable |
| |
| // These are intentionally left opaque. |
| class SkRecord; |
| class SkRecorder; |
| |
| namespace EXPERIMENTAL { |
| |
| /** Easy mode interface to SkRecord-based SkCanvas recording. |
| * |
| * SkRecording* recording = SkRecording::Create(1920, 1080); |
| * |
| * SkCanvas* canvas = recording->canvas(); |
| * canvas->drawThis(); |
| * canvas->clipThat(); |
| * ... |
| * |
| * scoped_ptr<const SkPlayback> playback(SkRecording::Delete(recording)); |
| * playback->draw(&someCanvas); |
| * playback->draw(&someOtherCanvas); |
| * |
| * SkPlayback is thread safe; SkRecording is not. |
| */ |
| |
| class SkPlayback : SkNoncopyable { |
| public: |
| // Remember, if you've got an SkPlayback*, you probably own it. Don't forget to delete it! |
| ~SkPlayback(); |
| |
| // Draw recorded commands into a canvas. |
| void draw(SkCanvas*) const; |
| |
| private: |
| explicit SkPlayback(const SkRecord*); |
| |
| const SkRecord* fRecord; |
| |
| friend class SkRecording; |
| }; |
| |
| class SkRecording : SkNoncopyable { |
| public: |
| // Result must be returned via SkRecording::Delete. |
| static SkRecording* Create(int width, int height); |
| |
| // Caller takes ownership of SkPlayback. |
| static const SkPlayback* Delete(SkRecording*); |
| |
| // Draws issued to this canvas will be replayed by SkPlayback::draw(). |
| // This pointer is owned by the SkRecording; the caller must not take ownership. |
| SkCanvas* canvas(); |
| |
| private: |
| SkRecording(int width, int height); |
| ~SkRecording(); |
| |
| SkRecorder* fRecorder; |
| SkRecord* fRecord; |
| }; |
| |
| } // namespace EXPERIMENTAL |
| |
| #endif//SkRecording_DEFINED |