SkLuaCanvas.h revision 4325d114a5679e46f25ae75b0e43547fd7694998 
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
14struct lua_State;
15
16class SkLuaCanvas : public SkCanvas {
17public:
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 drawPicture(SkPicture&) SK_OVERRIDE;
40    virtual void drawVertices(VertexMode vmode, int vertexCount,
41                              const SkPoint vertices[], const SkPoint texs[],
42                              const SkColor colors[], SkXfermode* xmode,
43                              const uint16_t indices[], int indexCount,
44                              const SkPaint& paint) SK_OVERRIDE;
45    virtual void drawData(const void* data, size_t length) SK_OVERRIDE;
46
47protected:
48    virtual void willSave(SaveFlags) SK_OVERRIDE;
49    virtual SaveLayerStrategy willSaveLayer(const SkRect*, const SkPaint*, SaveFlags) SK_OVERRIDE;
50    virtual void willRestore() SK_OVERRIDE;
51
52    virtual void didConcat(const SkMatrix&) SK_OVERRIDE;
53    virtual void didSetMatrix(const SkMatrix&) SK_OVERRIDE;
54
55    virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK_OVERRIDE;
56    virtual void onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
57                            const SkPaint&) SK_OVERRIDE;
58    virtual void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[],
59                               const SkPaint&) SK_OVERRIDE;
60    virtual void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
61                                SkScalar constY, const SkPaint&) SK_OVERRIDE;
62    virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
63                                  const SkMatrix* matrix, const SkPaint&) SK_OVERRIDE;
64
65    virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
66    virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
67    virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
68    virtual void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE;
69
70private:
71    lua_State*  fL;
72    SkString    fFunc;
73
74    void sendverb(const char verb[]);
75
76    typedef SkCanvas INHERITED;
77};
78
79#endif
80