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 "SkMiniRecorder.h" 13 #include "SkNoDrawCanvas.h" 14 #include "SkRecord.h" 15 #include "SkRecords.h" 16 #include "SkTDArray.h" 17 18 class SkBBHFactory; 19 20 class SkDrawableList : SkNoncopyable { 21 public: 22 SkDrawableList() {} 23 ~SkDrawableList(); 24 25 int count() const { return fArray.count(); } 26 SkDrawable* const* begin() const { return fArray.begin(); } 27 28 void append(SkDrawable* drawable); 29 30 // Return a new or ref'd array of pictures that were snapped from our drawables. 31 SkBigPicture::SnapshotArray* newDrawableSnapshot(); 32 33 private: 34 SkTDArray<SkDrawable*> fArray; 35 }; 36 37 // SkRecorder provides an SkCanvas interface for recording into an SkRecord. 38 39 class SkRecorder final : public SkNoDrawCanvas { 40 public: 41 // Does not take ownership of the SkRecord. 42 SkRecorder(SkRecord*, int width, int height, SkMiniRecorder* = nullptr); // legacy version 43 SkRecorder(SkRecord*, const SkRect& bounds, SkMiniRecorder* = nullptr); 44 45 enum DrawPictureMode { Record_DrawPictureMode, Playback_DrawPictureMode }; 46 void reset(SkRecord*, const SkRect& bounds, DrawPictureMode, SkMiniRecorder* = nullptr); 47 48 size_t approxBytesUsedBySubPictures() const { return fApproxBytesUsedBySubPictures; } 49 50 SkDrawableList* getDrawableList() const { return fDrawableList.get(); } 51 std::unique_ptr<SkDrawableList> detachDrawableList() { return std::move(fDrawableList); } 52 53 // Make SkRecorder forget entirely about its SkRecord*; all calls to SkRecorder will fail. 54 void forgetRecord(); 55 56 void willSave() override; 57 SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec&) override; 58 void willRestore() override {} 59 void didRestore() override; 60 61 void didConcat(const SkMatrix&) override; 62 void didSetMatrix(const SkMatrix&) override; 63 void didTranslate(SkScalar, SkScalar) override; 64 65 #ifdef SK_EXPERIMENTAL_SHADOWING 66 void didTranslateZ(SkScalar) override; 67 #else 68 void didTranslateZ(SkScalar); 69 #endif 70 71 void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override; 72 void onDrawDrawable(SkDrawable*, const SkMatrix*) override; 73 void onDrawText(const void* text, 74 size_t byteLength, 75 SkScalar x, 76 SkScalar y, 77 const SkPaint& paint) override; 78 void onDrawPosText(const void* text, 79 size_t byteLength, 80 const SkPoint pos[], 81 const SkPaint& paint) override; 82 void onDrawPosTextH(const void* text, 83 size_t byteLength, 84 const SkScalar xpos[], 85 SkScalar constY, 86 const SkPaint& paint) override; 87 void onDrawTextOnPath(const void* text, 88 size_t byteLength, 89 const SkPath& path, 90 const SkMatrix* matrix, 91 const SkPaint& paint) override; 92 void onDrawTextRSXform(const void* text, 93 size_t byteLength, 94 const SkRSXform[], 95 const SkRect* cull, 96 const SkPaint& paint) override; 97 void onDrawTextBlob(const SkTextBlob* blob, 98 SkScalar x, 99 SkScalar y, 100 const SkPaint& paint) override; 101 void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], 102 const SkPoint texCoords[4], SkBlendMode, 103 const SkPaint& paint) override; 104 105 void onDrawPaint(const SkPaint&) override; 106 void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override; 107 void onDrawRect(const SkRect&, const SkPaint&) override; 108 void onDrawRegion(const SkRegion&, const SkPaint&) override; 109 void onDrawOval(const SkRect&, const SkPaint&) override; 110 void onDrawArc(const SkRect&, SkScalar, SkScalar, bool, const SkPaint&) override; 111 void onDrawRRect(const SkRRect&, const SkPaint&) override; 112 void onDrawPath(const SkPath&, const SkPaint&) override; 113 void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint*) override; 114 void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, const SkPaint*, 115 SrcRectConstraint) override; 116 void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override; 117 void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst, 118 const SkPaint*, SrcRectConstraint) override; 119 void onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst, 120 const SkPaint*) override; 121 void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst, 122 const SkPaint*) override; 123 void onDrawImageLattice(const SkImage*, const Lattice& lattice, const SkRect& dst, 124 const SkPaint*) override; 125 void onDrawBitmapLattice(const SkBitmap&, const Lattice& lattice, const SkRect& dst, 126 const SkPaint*) override; 127 void onDrawVerticesObject(const SkVertices*, SkBlendMode, const SkPaint&) override; 128 void onDrawAtlas(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[], 129 int count, SkBlendMode, const SkRect* cull, const SkPaint*) override; 130 131 void onClipRect(const SkRect& rect, SkClipOp, ClipEdgeStyle) override; 132 void onClipRRect(const SkRRect& rrect, SkClipOp, ClipEdgeStyle) override; 133 void onClipPath(const SkPath& path, SkClipOp, ClipEdgeStyle) override; 134 void onClipRegion(const SkRegion& deviceRgn, SkClipOp) override; 135 136 void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override; 137 138 #ifdef SK_EXPERIMENTAL_SHADOWING 139 void onDrawShadowedPicture(const SkPicture*, 140 const SkMatrix*, 141 const SkPaint*, 142 const SkShadowParams& params) override; 143 #else 144 void onDrawShadowedPicture(const SkPicture*, 145 const SkMatrix*, 146 const SkPaint*, 147 const SkShadowParams& params); 148 #endif 149 150 void onDrawAnnotation(const SkRect&, const char[], SkData*) override; 151 152 sk_sp<SkSurface> onNewSurface(const SkImageInfo&, const SkSurfaceProps&) override; 153 154 void flushMiniRecorder(); 155 156 private: 157 template <typename T> 158 T* copy(const T*); 159 160 template <typename T> 161 T* copy(const T[], size_t count); 162 163 DrawPictureMode fDrawPictureMode; 164 size_t fApproxBytesUsedBySubPictures; 165 SkRecord* fRecord; 166 std::unique_ptr<SkDrawableList> fDrawableList; 167 168 SkMiniRecorder* fMiniRecorder; 169 }; 170 171 #endif//SkRecorder_DEFINED 172