1 /* 2 * Copyright 2014 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 SkRecorder_DEFINED 9 #define SkRecorder_DEFINED 10 11 #include "SkBigPicture.h" 12 #include "SkCanvasVirtualEnforcer.h" 13 #include "SkMiniRecorder.h" 14 #include "SkNoDrawCanvas.h" 15 #include "SkRecord.h" 16 #include "SkRecords.h" 17 #include "SkTDArray.h" 18 19 class SkBBHFactory; 20 21 class SkDrawableList : SkNoncopyable { 22 public: SkDrawableList()23 SkDrawableList() {} 24 ~SkDrawableList(); 25 count()26 int count() const { return fArray.count(); } begin()27 SkDrawable* const* begin() const { return fArray.begin(); } 28 29 void append(SkDrawable* drawable); 30 31 // Return a new or ref'd array of pictures that were snapped from our drawables. 32 SkBigPicture::SnapshotArray* newDrawableSnapshot(); 33 34 private: 35 SkTDArray<SkDrawable*> fArray; 36 }; 37 38 // SkRecorder provides an SkCanvas interface for recording into an SkRecord. 39 40 class SkRecorder final : public SkCanvasVirtualEnforcer<SkNoDrawCanvas> { 41 public: 42 // Does not take ownership of the SkRecord. 43 SkRecorder(SkRecord*, int width, int height, SkMiniRecorder* = nullptr); // legacy version 44 SkRecorder(SkRecord*, const SkRect& bounds, SkMiniRecorder* = nullptr); 45 46 enum DrawPictureMode { Record_DrawPictureMode, Playback_DrawPictureMode }; 47 void reset(SkRecord*, const SkRect& bounds, DrawPictureMode, SkMiniRecorder* = nullptr); 48 approxBytesUsedBySubPictures()49 size_t approxBytesUsedBySubPictures() const { return fApproxBytesUsedBySubPictures; } 50 getDrawableList()51 SkDrawableList* getDrawableList() const { return fDrawableList.get(); } detachDrawableList()52 std::unique_ptr<SkDrawableList> detachDrawableList() { return std::move(fDrawableList); } 53 54 // Make SkRecorder forget entirely about its SkRecord*; all calls to SkRecorder will fail. 55 void forgetRecord(); 56 57 void onFlush() override; 58 59 void willSave() override; 60 SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec&) override; 61 bool onDoSaveBehind(const SkRect*) override; willRestore()62 void willRestore() override {} 63 void didRestore() override; 64 65 void didConcat(const SkMatrix&) override; 66 void didSetMatrix(const SkMatrix&) override; 67 void didTranslate(SkScalar, SkScalar) override; 68 69 void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override; 70 void onDrawDrawable(SkDrawable*, const SkMatrix*) override; 71 void onDrawTextBlob(const SkTextBlob* blob, 72 SkScalar x, 73 SkScalar y, 74 const SkPaint& paint) override; 75 void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], 76 const SkPoint texCoords[4], SkBlendMode, 77 const SkPaint& paint) override; 78 79 void onDrawPaint(const SkPaint&) override; 80 void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override; 81 void onDrawRect(const SkRect&, const SkPaint&) override; 82 void onDrawEdgeAARect(const SkRect&, SkCanvas::QuadAAFlags, SkColor, SkBlendMode) override; 83 void onDrawRegion(const SkRegion&, const SkPaint&) override; 84 void onDrawOval(const SkRect&, const SkPaint&) override; 85 void onDrawArc(const SkRect&, SkScalar, SkScalar, bool, const SkPaint&) override; 86 void onDrawRRect(const SkRRect&, const SkPaint&) override; 87 void onDrawPath(const SkPath&, const SkPaint&) override; 88 void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint*) override; 89 void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, const SkPaint*, 90 SrcRectConstraint) override; 91 void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override; 92 void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst, 93 const SkPaint*, SrcRectConstraint) override; 94 void onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst, 95 const SkPaint*) override; 96 void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst, 97 const SkPaint*) override; 98 void onDrawImageLattice(const SkImage*, const Lattice& lattice, const SkRect& dst, 99 const SkPaint*) override; 100 void onDrawBitmapLattice(const SkBitmap&, const Lattice& lattice, const SkRect& dst, 101 const SkPaint*) override; 102 void onDrawImageSet(const SkCanvas::ImageSetEntry[], int count, SkFilterQuality, 103 SkBlendMode) override; 104 void onDrawVerticesObject(const SkVertices*, const SkVertices::Bone bones[], int boneCount, 105 SkBlendMode, const SkPaint&) override; 106 void onDrawAtlas(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[], 107 int count, SkBlendMode, const SkRect* cull, const SkPaint*) override; 108 void onDrawShadowRec(const SkPath&, const SkDrawShadowRec&) override; 109 110 void onClipRect(const SkRect& rect, SkClipOp, ClipEdgeStyle) override; 111 void onClipRRect(const SkRRect& rrect, SkClipOp, ClipEdgeStyle) override; 112 void onClipPath(const SkPath& path, SkClipOp, ClipEdgeStyle) override; 113 void onClipRegion(const SkRegion& deviceRgn, SkClipOp) override; 114 115 void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override; 116 117 void onDrawAnnotation(const SkRect&, const char[], SkData*) override; 118 119 sk_sp<SkSurface> onNewSurface(const SkImageInfo&, const SkSurfaceProps&) override; 120 121 void flushMiniRecorder(); 122 123 private: 124 template <typename T> 125 T* copy(const T*); 126 127 template <typename T> 128 T* copy(const T[], size_t count); 129 130 template<typename T, typename... Args> 131 void append(Args&&...); 132 133 DrawPictureMode fDrawPictureMode; 134 size_t fApproxBytesUsedBySubPictures; 135 SkRecord* fRecord; 136 std::unique_ptr<SkDrawableList> fDrawableList; 137 138 SkMiniRecorder* fMiniRecorder; 139 }; 140 141 #endif//SkRecorder_DEFINED 142