| /* |
| * 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 "include/core/SkPicture.h" |
| #include "include/core/SkRect.h" |
| #include "include/private/SkNoncopyable.h" |
| #include "include/private/SkOnce.h" |
| #include "include/private/SkTemplates.h" |
| |
| class SkBBoxHierarchy; |
| class SkMatrix; |
| class SkRecord; |
| |
| // An implementation of SkPicture supporting an arbitrary number of drawing commands. |
| class SkBigPicture final : public SkPicture { |
| public: |
| // 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. |
| size_t approxBytesUsedBySubPictures); |
| |
| |
| // SkPicture overrides |
| void playback(SkCanvas*, AbortCallback*) const override; |
| SkRect cullRect() const override; |
| int approximateOpCount() const override; |
| size_t approximateBytesUsed() const override; |
| const SkBigPicture* asSkBigPicture() const override { return this; } |
| |
| // Used by GrLayerHoister |
| void partialPlayback(SkCanvas*, |
| int start, |
| int stop, |
| const SkMatrix& initialCTM) const; |
| // Used by GrRecordReplaceDraw |
| const SkBBoxHierarchy* bbh() const { return fBBH.get(); } |
| const SkRecord* record() const { return fRecord.get(); } |
| |
| private: |
| int drawableCount() const; |
| SkPicture const* const* drawablePicts() const; |
| |
| const SkRect fCullRect; |
| const size_t fApproxBytesUsedBySubPictures; |
| sk_sp<const SkRecord> fRecord; |
| std::unique_ptr<const SnapshotArray> fDrawablePicts; |
| sk_sp<const SkBBoxHierarchy> fBBH; |
| }; |
| |
| #endif//SkBigPicture_DEFINED |