| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkBigPicture_DEFINED |
| #define SkBigPicture_DEFINED |
| |
| #include "SkPicture.h" |
| |
| class SkBBoxHierarchy; |
| class SkRecord; |
| |
| // An implementation of SkPicture supporting an arbitrary number of drawing commands. |
| class SkBigPicture final : public SkPicture { |
| public: |
| // AccelData provides a base class for device-specific acceleration data. |
| class AccelData : public SkRefCnt { }; |
| |
| // An array of refcounted const SkPicture pointers. |
| class SnapshotArray : ::SkNoncopyable { |
| public: |
| SnapshotArray(const SkPicture* pics[], int count) : fPics(pics), fCount(count) {} |
| ~SnapshotArray() { for (int i = 0; i < fCount; i++) { fPics[i]->unref(); } } |
| |
| const SkPicture* const* begin() const { return fPics; } |
| int count() const { return fCount; } |
| private: |
| SkAutoTMalloc<const SkPicture*> fPics; |
| int fCount; |
| }; |
| |
| SkBigPicture(const SkRect& cull, |
| SkRecord*, // We take ownership of the caller's ref. |
| SnapshotArray*, // We take exclusive ownership. |
| SkBBoxHierarchy*, // We take ownership of the caller's ref. |
| AccelData*, // We take ownership of the caller's ref. |
| size_t approxBytesUsedBySubPictures); |
| |
| |
| // SkPicture overrides |
| void playback(SkCanvas*, AbortCallback*) const override; |
| SkRect cullRect() const override; |
| bool hasText() const override; |
| bool willPlayBackBitmaps() const override; |
| int approximateOpCount() const override; |
| size_t approximateBytesUsed() const override; |
| bool suitableForGpuRasterization(GrContext*, const char** whyNot) const override; |
| const SkBigPicture* asSkBigPicture() const override { return this; } |
| |
| // Used by GrLayerHoister |
| void partialPlayback(SkCanvas*, |
| unsigned start, |
| unsigned stop, |
| const SkMatrix& initialCTM) const; |
| // Used by GrRecordReplaceDraw |
| const SkBBoxHierarchy* bbh() const { return fBBH; } |
| const SkRecord* record() const { return fRecord; } |
| const AccelData* accelData() const { return fAccelData; } |
| |
| private: |
| struct Analysis { |
| explicit Analysis(const SkRecord&); |
| |
| bool suitableForGpuRasterization(const char** reason) const; |
| |
| uint8_t fNumSlowPathsAndDashEffects; |
| bool fWillPlaybackBitmaps : 1; |
| bool fHasText : 1; |
| }; |
| struct PathCounter; |
| |
| int numSlowPaths() const override; |
| |
| int drawableCount() const; |
| SkPicture const* const* drawablePicts() const; |
| |
| const SkRect fCullRect; |
| const Analysis fAnalysis; |
| const size_t fApproxBytesUsedBySubPictures; |
| SkAutoTUnref<const SkRecord> fRecord; |
| SkAutoTDelete<const SnapshotArray> fDrawablePicts; |
| SkAutoTUnref<const SkBBoxHierarchy> fBBH; |
| SkAutoTUnref<const AccelData> fAccelData; |
| }; |
| |
| #endif//SkBigPicture_DEFINED |