• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 int save(SaveFlags flags) SK_OVERRIDE;
24     virtual int saveLayer(const SkRect* bounds, const SkPaint* paint,
25                           SaveFlags flags) SK_OVERRIDE;
26     virtual void restore() SK_OVERRIDE;
27 
28     virtual bool translate(SkScalar dx, SkScalar dy) SK_OVERRIDE;
29     virtual bool scale(SkScalar sx, SkScalar sy) SK_OVERRIDE;
30     virtual bool rotate(SkScalar degrees) SK_OVERRIDE;
31     virtual bool skew(SkScalar sx, SkScalar sy) SK_OVERRIDE;
32     virtual bool concat(const SkMatrix& matrix) SK_OVERRIDE;
33     virtual void setMatrix(const SkMatrix& matrix) SK_OVERRIDE;
34 
35     virtual bool clipRect(const SkRect&, SkRegion::Op, bool) SK_OVERRIDE;
36     virtual bool clipRRect(const SkRRect&, SkRegion::Op, bool) SK_OVERRIDE;
37     virtual bool clipPath(const SkPath&, SkRegion::Op, bool) SK_OVERRIDE;
38     virtual bool clipRegion(const SkRegion& deviceRgn,
39                             SkRegion::Op) SK_OVERRIDE;
40 
41     virtual void drawPaint(const SkPaint& paint) SK_OVERRIDE;
42     virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[],
43                             const SkPaint& paint) SK_OVERRIDE;
44     virtual void drawOval(const SkRect&, const SkPaint& paint) SK_OVERRIDE;
45     virtual void drawRect(const SkRect&, const SkPaint& paint) SK_OVERRIDE;
46     virtual void drawRRect(const SkRRect&, const SkPaint& paint) SK_OVERRIDE;
47     virtual void drawPath(const SkPath& path, const SkPaint& paint) SK_OVERRIDE;
48     virtual void drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top,
49                             const SkPaint* paint) SK_OVERRIDE;
50     virtual void drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src,
51                                       const SkRect& dst, const SkPaint* paint,
52                                       DrawBitmapRectFlags flags) SK_OVERRIDE;
53     virtual void drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m,
54                                   const SkPaint* paint) SK_OVERRIDE;
55     virtual void drawSprite(const SkBitmap& bitmap, int left, int top,
56                             const SkPaint* paint) SK_OVERRIDE;
57     virtual void drawText(const void* text, size_t byteLength, SkScalar x,
58                           SkScalar y, const SkPaint& paint) SK_OVERRIDE;
59     virtual void drawPosText(const void* text, size_t byteLength,
60                              const SkPoint pos[], const SkPaint& paint) SK_OVERRIDE;
61     virtual void drawPosTextH(const void* text, size_t byteLength,
62                               const SkScalar xpos[], SkScalar constY,
63                               const SkPaint& paint) SK_OVERRIDE;
64     virtual void drawTextOnPath(const void* text, size_t byteLength,
65                                 const SkPath& path, const SkMatrix* matrix,
66                                 const SkPaint& paint) SK_OVERRIDE;
67     virtual void drawPicture(SkPicture&) SK_OVERRIDE;
68     virtual void drawVertices(VertexMode vmode, int vertexCount,
69                               const SkPoint vertices[], const SkPoint texs[],
70                               const SkColor colors[], SkXfermode* xmode,
71                               const uint16_t indices[], int indexCount,
72                               const SkPaint& paint) SK_OVERRIDE;
73     virtual void drawData(const void* data, size_t length) SK_OVERRIDE;
74 
75 private:
76     lua_State*  fL;
77     SkString    fFunc;
78 
79     void sendverb(const char verb[]);
80 
81     typedef SkCanvas INHERITED;
82 };
83 
84 #endif
85