1 /* 2 * Copyright 2013 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 SkLuaCanvas_DEFINED 9 #define SkLuaCanvas_DEFINED 10 11 #include "SkCanvas.h" 12 #include "SkString.h" 13 14 struct lua_State; 15 16 class SkLuaCanvas : public SkCanvas { 17 public: 18 void pushThis(); 19 20 SkLuaCanvas(int width, int height, lua_State*, const char function[]); 21 virtual ~SkLuaCanvas(); 22 23 virtual void drawPaint(const SkPaint& paint) SK_OVERRIDE; 24 virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[], 25 const SkPaint& paint) SK_OVERRIDE; 26 virtual void drawOval(const SkRect&, const SkPaint& paint) SK_OVERRIDE; 27 virtual void drawRect(const SkRect&, const SkPaint& paint) SK_OVERRIDE; 28 virtual void drawRRect(const SkRRect&, const SkPaint& paint) SK_OVERRIDE; 29 virtual void drawPath(const SkPath& path, const SkPaint& paint) SK_OVERRIDE; 30 virtual void drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top, 31 const SkPaint* paint) SK_OVERRIDE; 32 virtual void drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src, 33 const SkRect& dst, const SkPaint* paint, 34 DrawBitmapRectFlags flags) SK_OVERRIDE; 35 virtual void drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m, 36 const SkPaint* paint) SK_OVERRIDE; 37 virtual void drawSprite(const SkBitmap& bitmap, int left, int top, 38 const SkPaint* paint) SK_OVERRIDE; 39 virtual void drawVertices(VertexMode vmode, int vertexCount, 40 const SkPoint vertices[], const SkPoint texs[], 41 const SkColor colors[], SkXfermode* xmode, 42 const uint16_t indices[], int indexCount, 43 const SkPaint& paint) SK_OVERRIDE; 44 virtual void drawData(const void* data, size_t length) SK_OVERRIDE; 45 46 protected: 47 virtual void willSave() SK_OVERRIDE; 48 virtual SaveLayerStrategy willSaveLayer(const SkRect*, const SkPaint*, SaveFlags) SK_OVERRIDE; 49 virtual void willRestore() SK_OVERRIDE; 50 51 virtual void didConcat(const SkMatrix&) SK_OVERRIDE; 52 virtual void didSetMatrix(const SkMatrix&) SK_OVERRIDE; 53 54 virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK_OVERRIDE; 55 virtual void onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, 56 const SkPaint&) SK_OVERRIDE; 57 virtual void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], 58 const SkPaint&) SK_OVERRIDE; 59 virtual void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], 60 SkScalar constY, const SkPaint&) SK_OVERRIDE; 61 virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path, 62 const SkMatrix* matrix, const SkPaint&) SK_OVERRIDE; 63 virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, 64 const SkPaint& paint) SK_OVERRIDE; 65 66 virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE; 67 virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE; 68 virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE; 69 virtual void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE; 70 71 virtual void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) SK_OVERRIDE; 72 73 private: 74 lua_State* fL; 75 SkString fFunc; 76 77 void sendverb(const char verb[]); 78 79 typedef SkCanvas INHERITED; 80 }; 81 82 #endif 83