| /* |
| * 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 SkPictureRecorder_DEFINED |
| #define SkPictureRecorder_DEFINED |
| |
| #include "SkBBHFactory.h" |
| #include "SkPicture.h" |
| #include "SkRefCnt.h" |
| |
| #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK |
| namespace android { |
| class Picture; |
| }; |
| #endif |
| |
| class SkCanvas; |
| class SkPictureRecord; |
| class SkRecord; |
| class SkRecorder; |
| |
| class SK_API SkPictureRecorder : SkNoncopyable { |
| public: |
| SkPictureRecorder(); |
| ~SkPictureRecorder(); |
| |
| #ifdef SK_LEGACY_PICTURE_SIZE_API |
| SkCanvas* beginRecording(int width, int height, |
| SkBBHFactory* bbhFactory = NULL, |
| uint32_t recordFlags = 0) { |
| return this->beginRecording(SkIntToScalar(width), SkIntToScalar(height), |
| bbhFactory, recordFlags); |
| } |
| #endif |
| |
| enum RecordFlags { |
| // This flag indicates that, if some BHH is being computed, saveLayer |
| // information should also be extracted at the same time. |
| kComputeSaveLayerInfo_RecordFlag = 0x01 |
| }; |
| |
| /** Returns the canvas that records the drawing commands. |
| @param width the width of the cull rect used when recording this picture. |
| @param height the height of the cull rect used when recording this picture. |
| @param bbhFactory factory to create desired acceleration structure |
| @param recordFlags optional flags that control recording. |
| @return the canvas. |
| */ |
| SkCanvas* beginRecording(SkScalar width, SkScalar height, |
| SkBBHFactory* bbhFactory = NULL, |
| uint32_t recordFlags = 0); |
| |
| /** Returns the recording canvas if one is active, or NULL if recording is |
| not active. This does not alter the refcnt on the canvas (if present). |
| */ |
| SkCanvas* getRecordingCanvas(); |
| |
| /** Signal that the caller is done recording. This invalidates the canvas |
| returned by beginRecording/getRecordingCanvas, and returns the |
| created SkPicture. Note that the returned picture has its creation |
| ref which the caller must take ownership of. |
| */ |
| SkPicture* endRecording(); |
| |
| private: |
| void reset(); |
| |
| /** Replay the current (partially recorded) operation stream into |
| canvas. This call doesn't close the current recording. |
| */ |
| #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK |
| friend class android::Picture; |
| #endif |
| friend class SkPictureRecorderReplayTester; // for unit testing |
| void partialReplay(SkCanvas* canvas) const; |
| |
| uint32_t fFlags; |
| SkScalar fCullWidth; |
| SkScalar fCullHeight; |
| SkAutoTUnref<SkBBoxHierarchy> fBBH; |
| SkAutoTUnref<SkRecorder> fRecorder; |
| SkAutoTDelete<SkRecord> fRecord; |
| |
| typedef SkNoncopyable INHERITED; |
| }; |
| |
| #endif |