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 "SkCanvas.h" 13 14 class SK_API SkNWayCanvas : public SkCanvas { 15 public: 16 SkNWayCanvas(int width, int height); 17 virtual ~SkNWayCanvas(); 18 19 virtual void addCanvas(SkCanvas*); 20 virtual void removeCanvas(SkCanvas*); 21 virtual void removeAll(); 22 23 /////////////////////////////////////////////////////////////////////////// 24 // These are forwarded to the N canvases we're referencing 25 26 SkDrawFilter* setDrawFilter(SkDrawFilter*) override; 27 28 void beginCommentGroup(const char* description) override; 29 void addComment(const char* kywd, const char* value) override; 30 void endCommentGroup() override; 31 32 protected: 33 SkTDArray<SkCanvas*> fList; 34 35 void willSave() override; 36 SaveLayerStrategy willSaveLayer(const SkRect*, const SkPaint*, SaveFlags) override; 37 void willRestore() override; 38 39 void didConcat(const SkMatrix&) override; 40 void didSetMatrix(const SkMatrix&) override; 41 42 void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override; 43 virtual void onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, 44 const SkPaint&) override; 45 virtual void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], 46 const SkPaint&) override; 47 virtual void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], 48 SkScalar constY, const SkPaint&) override; 49 virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path, 50 const SkMatrix* matrix, const SkPaint&) override; 51 virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, 52 const SkPaint& paint) override; 53 virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], 54 const SkPoint texCoords[4], SkXfermode* xmode, 55 const SkPaint& paint) override; 56 57 void onDrawPaint(const SkPaint&) override; 58 void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override; 59 void onDrawRect(const SkRect&, const SkPaint&) override; 60 void onDrawOval(const SkRect&, const SkPaint&) override; 61 void onDrawRRect(const SkRRect&, const SkPaint&) override; 62 void onDrawPath(const SkPath&, const SkPaint&) override; 63 void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint*) override; 64 void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, const SkPaint*, 65 DrawBitmapRectFlags flags) override; 66 void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override; 67 void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst, 68 const SkPaint*) override; 69 void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst, 70 const SkPaint*) override; 71 void onDrawSprite(const SkBitmap&, int left, int top, const SkPaint*) override; 72 void onDrawVertices(VertexMode vmode, int vertexCount, 73 const SkPoint vertices[], const SkPoint texs[], 74 const SkColor colors[], SkXfermode* xmode, 75 const uint16_t indices[], int indexCount, 76 const SkPaint&) override; 77 78 void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) override; 79 void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) override; 80 void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) override; 81 void onClipRegion(const SkRegion&, SkRegion::Op) override; 82 83 void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override; 84 85 class Iter; 86 87 private: 88 typedef SkCanvas INHERITED; 89 }; 90 91 92 #endif 93
