michael@0: /*
michael@0:  * Copyright 2013 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #ifndef SkLuaCanvas_DEFINED
michael@0: #define SkLuaCanvas_DEFINED
michael@0: 
michael@0: #include "SkCanvas.h"
michael@0: #include "SkString.h"
michael@0: 
michael@0: struct lua_State;
michael@0: 
michael@0: class SkLuaCanvas : public SkCanvas {
michael@0: public:
michael@0:     void pushThis();
michael@0: 
michael@0:     SkLuaCanvas(int width, int height, lua_State*, const char function[]);
michael@0:     virtual ~SkLuaCanvas();
michael@0: 
michael@0:     virtual void drawPaint(const SkPaint& paint) SK_OVERRIDE;
michael@0:     virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[],
michael@0:                             const SkPaint& paint) SK_OVERRIDE;
michael@0:     virtual void drawOval(const SkRect&, const SkPaint& paint) SK_OVERRIDE;
michael@0:     virtual void drawRect(const SkRect&, const SkPaint& paint) SK_OVERRIDE;
michael@0:     virtual void drawRRect(const SkRRect&, const SkPaint& paint) SK_OVERRIDE;
michael@0:     virtual void drawPath(const SkPath& path, const SkPaint& paint) SK_OVERRIDE;
michael@0:     virtual void drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top,
michael@0:                             const SkPaint* paint) SK_OVERRIDE;
michael@0:     virtual void drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src,
michael@0:                                       const SkRect& dst, const SkPaint* paint,
michael@0:                                       DrawBitmapRectFlags flags) SK_OVERRIDE;
michael@0:     virtual void drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m,
michael@0:                                   const SkPaint* paint) SK_OVERRIDE;
michael@0:     virtual void drawSprite(const SkBitmap& bitmap, int left, int top,
michael@0:                             const SkPaint* paint) SK_OVERRIDE;
michael@0:     virtual void drawText(const void* text, size_t byteLength, SkScalar x,
michael@0:                           SkScalar y, const SkPaint& paint) SK_OVERRIDE;
michael@0:     virtual void drawPosText(const void* text, size_t byteLength,
michael@0:                              const SkPoint pos[], const SkPaint& paint) SK_OVERRIDE;
michael@0:     virtual void drawPosTextH(const void* text, size_t byteLength,
michael@0:                               const SkScalar xpos[], SkScalar constY,
michael@0:                               const SkPaint& paint) SK_OVERRIDE;
michael@0:     virtual void drawTextOnPath(const void* text, size_t byteLength,
michael@0:                                 const SkPath& path, const SkMatrix* matrix,
michael@0:                                 const SkPaint& paint) SK_OVERRIDE;
michael@0:     virtual void drawPicture(SkPicture&) SK_OVERRIDE;
michael@0:     virtual void drawVertices(VertexMode vmode, int vertexCount,
michael@0:                               const SkPoint vertices[], const SkPoint texs[],
michael@0:                               const SkColor colors[], SkXfermode* xmode,
michael@0:                               const uint16_t indices[], int indexCount,
michael@0:                               const SkPaint& paint) SK_OVERRIDE;
michael@0:     virtual void drawData(const void* data, size_t length) SK_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:     virtual void willSave(SaveFlags) SK_OVERRIDE;
michael@0:     virtual SaveLayerStrategy willSaveLayer(const SkRect*, const SkPaint*, SaveFlags) SK_OVERRIDE;
michael@0:     virtual void willRestore() SK_OVERRIDE;
michael@0: 
michael@0:     virtual void didTranslate(SkScalar, SkScalar) SK_OVERRIDE;
michael@0:     virtual void didScale(SkScalar, SkScalar) SK_OVERRIDE;
michael@0:     virtual void didRotate(SkScalar) SK_OVERRIDE;
michael@0:     virtual void didSkew(SkScalar, SkScalar) SK_OVERRIDE;
michael@0:     virtual void didConcat(const SkMatrix&) SK_OVERRIDE;
michael@0:     virtual void didSetMatrix(const SkMatrix&) SK_OVERRIDE;
michael@0: 
michael@0:     virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK_OVERRIDE;
michael@0: 
michael@0:     virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
michael@0:     virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
michael@0:     virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
michael@0:     virtual void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE;
michael@0: 
michael@0: private:
michael@0:     lua_State*  fL;
michael@0:     SkString    fFunc;
michael@0: 
michael@0:     void sendverb(const char verb[]);
michael@0: 
michael@0:     typedef SkCanvas INHERITED;
michael@0: };
michael@0: 
michael@0: #endif