1 /* 2 * Copyright 2015 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkBigPicture_DEFINED 9 #define SkBigPicture_DEFINED 10 11 #include "include/core/SkBBHFactory.h" 12 #include "include/core/SkPicture.h" 13 #include "include/core/SkRect.h" 14 #include "include/core/SkRefCnt.h" 15 #include "include/private/base/SkNoncopyable.h" 16 #include "include/private/base/SkTemplates.h" 17 #include "src/core/SkRecord.h" 18 19 #include <cstddef> 20 #include <memory> 21 22 class SkCanvas; 23 24 // An implementation of SkPicture supporting an arbitrary number of drawing commands. 25 // This is called "big" because there used to be a "mini" that only supported a subset of the 26 // calls as an optimization. 27 class SkBigPicture final : public SkPicture { 28 public: 29 // An array of refcounted const SkPicture pointers. 30 class SnapshotArray : ::SkNoncopyable { 31 public: SnapshotArray(const SkPicture * pics[],int count)32 SnapshotArray(const SkPicture* pics[], int count) : fPics(pics), fCount(count) {} ~SnapshotArray()33 ~SnapshotArray() { for (int i = 0; i < fCount; i++) { fPics[i]->unref(); } } 34 begin()35 const SkPicture* const* begin() const { return fPics; } count()36 int count() const { return fCount; } 37 private: 38 skia_private::AutoTMalloc<const SkPicture*> fPics; 39 int fCount; 40 }; 41 42 SkBigPicture(const SkRect& cull, 43 sk_sp<SkRecord>, 44 std::unique_ptr<SnapshotArray>, 45 sk_sp<SkBBoxHierarchy>, 46 size_t approxBytesUsedBySubPictures); 47 48 49 // SkPicture overrides 50 void playback(SkCanvas*, AbortCallback*) const override; 51 SkRect cullRect() const override; 52 int approximateOpCount(bool nested) const override; 53 size_t approximateBytesUsed() const override; asSkBigPicture()54 const SkBigPicture* asSkBigPicture() const override { return this; } 55 56 // Used by GrRecordReplaceDraw bbh()57 const SkBBoxHierarchy* bbh() const { return fBBH.get(); } record()58 const SkRecord* record() const { return fRecord.get(); } 59 60 private: 61 int drawableCount() const; 62 SkPicture const* const* drawablePicts() const; 63 64 const SkRect fCullRect; 65 const size_t fApproxBytesUsedBySubPictures; 66 sk_sp<const SkRecord> fRecord; 67 std::unique_ptr<const SnapshotArray> fDrawablePicts; 68 sk_sp<const SkBBoxHierarchy> fBBH; 69 }; 70 71 #endif//SkBigPicture_DEFINED 72