1 2 /* 3 * Copyright 2011 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9 #ifndef SkNWayCanvas_DEFINED 10 #define SkNWayCanvas_DEFINED 11 12 #include "include/core/SkCanvasVirtualEnforcer.h" 13 #include "include/private/SkTDArray.h" 14 #include "include/utils/SkNoDrawCanvas.h" 15 16 class SK_API SkNWayCanvas : public SkCanvasVirtualEnforcer<SkNoDrawCanvas> { 17 public: 18 SkNWayCanvas(int width, int height); 19 ~SkNWayCanvas() override; 20 21 virtual void addCanvas(SkCanvas*); 22 virtual void removeCanvas(SkCanvas*); 23 virtual void removeAll(); 24 25 protected: 26 SkTDArray<SkCanvas*> fList; 27 28 void willSave() override; 29 SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec&) override; 30 bool onDoSaveBehind(const SkRect*) override; 31 void willRestore() override; 32 33 void didConcat(const SkMatrix&) override; 34 void didSetMatrix(const SkMatrix&) override; 35 36 void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override; 37 virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, 38 const SkPaint& paint) override; 39 virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], 40 const SkPoint texCoords[4], SkBlendMode, 41 const SkPaint& paint) override; 42 43 void onDrawPaint(const SkPaint&) override; 44 void onDrawBehind(const SkPaint&) override; 45 void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override; 46 void onDrawRect(const SkRect&, const SkPaint&) override; 47 void onDrawRegion(const SkRegion&, const SkPaint&) override; 48 void onDrawOval(const SkRect&, const SkPaint&) override; 49 void onDrawArc(const SkRect&, SkScalar, SkScalar, bool, const SkPaint&) override; 50 void onDrawRRect(const SkRRect&, const SkPaint&) override; 51 void onDrawPath(const SkPath&, const SkPaint&) override; 52 void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint*) override; 53 void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, const SkPaint*, 54 SrcRectConstraint) override; 55 void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override; 56 void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst, 57 const SkPaint*, SrcRectConstraint) override; 58 void onDrawBitmapLattice(const SkBitmap&, const Lattice&, const SkRect&, 59 const SkPaint*) override; 60 void onDrawImageLattice(const SkImage*, const Lattice&, const SkRect&, const SkPaint*) override; 61 void onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst, 62 const SkPaint*) override; 63 void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst, 64 const SkPaint*) override; 65 void onDrawVerticesObject(const SkVertices*, const SkVertices::Bone bones[], int boneCount, 66 SkBlendMode, const SkPaint&) override; 67 void onDrawAtlas(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[], 68 int, SkBlendMode, const SkRect*, const SkPaint*) override; 69 void onDrawShadowRec(const SkPath&, const SkDrawShadowRec&) override; 70 71 void onClipRect(const SkRect&, SkClipOp, ClipEdgeStyle) override; 72 void onClipRRect(const SkRRect&, SkClipOp, ClipEdgeStyle) override; 73 void onClipPath(const SkPath&, SkClipOp, ClipEdgeStyle) override; 74 void onClipRegion(const SkRegion&, SkClipOp) override; 75 76 void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override; 77 void onDrawDrawable(SkDrawable*, const SkMatrix*) override; 78 void onDrawAnnotation(const SkRect&, const char[], SkData*) override; 79 80 void onDrawEdgeAAQuad(const SkRect&, const SkPoint[4], QuadAAFlags, const SkColor4f&, 81 SkBlendMode) override; 82 void onDrawEdgeAAImageSet(const ImageSetEntry[], int count, const SkPoint[], const SkMatrix[], 83 const SkPaint*, SrcRectConstraint) override; 84 85 void onFlush() override; 86 87 class Iter; 88 89 private: 90 typedef SkCanvasVirtualEnforcer<SkNoDrawCanvas> INHERITED; 91 }; 92 93 94 #endif 95