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1 | |
2 /* | 1 /* |
3 * Copyright 2011 Google Inc. | 2 * Copyright 2013 Google Inc. |
4 * | 3 * |
5 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 5 * found in the LICENSE file. |
7 */ | 6 */ |
8 #ifndef SkProxyCanvas_DEFINED | 7 |
9 #define SkProxyCanvas_DEFINED | 8 #ifndef SkLuaCanvas_DEFINED |
| 9 #define SkLuaCanvas_DEFINED |
10 | 10 |
11 #include "SkCanvas.h" | 11 #include "SkCanvas.h" |
| 12 #include "SkString.h" |
12 | 13 |
13 /** This class overrides all virtual methods on SkCanvas, and redirects them | 14 struct lua_State; |
14 to a "proxy", another SkCanvas instance. It can be the basis for | |
15 intercepting (and possibly modifying) calls to a canvas. | |
16 | 15 |
17 There must be a proxy installed before the proxycanvas can be used (i.e. | 16 class SkLuaCanvas : public SkCanvas { |
18 before its virtual methods can be called). | |
19 */ | |
20 class SkProxyCanvas : public SkCanvas { | |
21 public: | 17 public: |
22 SkProxyCanvas() : fProxy(NULL) {} | 18 SkLuaCanvas(int width, int height, lua_State*, const char function[]); |
23 SkProxyCanvas(SkCanvas* proxy); | 19 virtual ~SkLuaCanvas(); |
24 virtual ~SkProxyCanvas(); | |
25 | 20 |
26 SkCanvas* getProxy() const { return fProxy; } | 21 virtual int save(SaveFlags flags) SK_OVERRIDE; |
27 void setProxy(SkCanvas* proxy); | |
28 | |
29 virtual int save(SaveFlags flags = kMatrixClip_SaveFlag) SK_OVERRIDE; | |
30 virtual int saveLayer(const SkRect* bounds, const SkPaint* paint, | 22 virtual int saveLayer(const SkRect* bounds, const SkPaint* paint, |
31 SaveFlags flags = kARGB_ClipLayer_SaveFlag) SK_OVERRID
E; | 23 SaveFlags flags) SK_OVERRIDE; |
32 virtual void restore() SK_OVERRIDE; | 24 virtual void restore() SK_OVERRIDE; |
33 | 25 |
34 virtual bool translate(SkScalar dx, SkScalar dy) SK_OVERRIDE; | 26 virtual bool translate(SkScalar dx, SkScalar dy) SK_OVERRIDE; |
35 virtual bool scale(SkScalar sx, SkScalar sy) SK_OVERRIDE; | 27 virtual bool scale(SkScalar sx, SkScalar sy) SK_OVERRIDE; |
36 virtual bool rotate(SkScalar degrees) SK_OVERRIDE; | 28 virtual bool rotate(SkScalar degrees) SK_OVERRIDE; |
37 virtual bool skew(SkScalar sx, SkScalar sy) SK_OVERRIDE; | 29 virtual bool skew(SkScalar sx, SkScalar sy) SK_OVERRIDE; |
38 virtual bool concat(const SkMatrix& matrix) SK_OVERRIDE; | 30 virtual bool concat(const SkMatrix& matrix) SK_OVERRIDE; |
39 virtual void setMatrix(const SkMatrix& matrix) SK_OVERRIDE; | 31 virtual void setMatrix(const SkMatrix& matrix) SK_OVERRIDE; |
40 | 32 |
41 virtual bool clipRect(const SkRect&, SkRegion::Op, bool) SK_OVERRIDE; | 33 virtual bool clipRect(const SkRect&, SkRegion::Op, bool) SK_OVERRIDE; |
42 virtual bool clipRRect(const SkRRect&, SkRegion::Op, bool) SK_OVERRIDE; | 34 virtual bool clipRRect(const SkRRect&, SkRegion::Op, bool) SK_OVERRIDE; |
43 virtual bool clipPath(const SkPath&, SkRegion::Op, bool) SK_OVERRIDE; | 35 virtual bool clipPath(const SkPath&, SkRegion::Op, bool) SK_OVERRIDE; |
44 virtual bool clipRegion(const SkRegion& deviceRgn, | 36 virtual bool clipRegion(const SkRegion& deviceRgn, |
45 SkRegion::Op op = SkRegion::kIntersect_Op) SK_OVERRI
DE; | 37 SkRegion::Op) SK_OVERRIDE; |
46 | 38 |
47 virtual void drawPaint(const SkPaint& paint) SK_OVERRIDE; | 39 virtual void drawPaint(const SkPaint& paint) SK_OVERRIDE; |
48 virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[], | 40 virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[], |
49 const SkPaint& paint) SK_OVERRIDE; | 41 const SkPaint& paint) SK_OVERRIDE; |
50 virtual void drawOval(const SkRect&, const SkPaint& paint) SK_OVERRIDE; | 42 virtual void drawOval(const SkRect&, const SkPaint& paint) SK_OVERRIDE; |
51 virtual void drawRect(const SkRect&, const SkPaint& paint) SK_OVERRIDE; | 43 virtual void drawRect(const SkRect&, const SkPaint& paint) SK_OVERRIDE; |
52 virtual void drawRRect(const SkRRect&, const SkPaint& paint) SK_OVERRIDE; | 44 virtual void drawRRect(const SkRRect&, const SkPaint& paint) SK_OVERRIDE; |
53 virtual void drawPath(const SkPath& path, const SkPaint& paint) SK_OVERRIDE; | 45 virtual void drawPath(const SkPath& path, const SkPaint& paint) SK_OVERRIDE; |
54 virtual void drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top, | 46 virtual void drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top, |
55 const SkPaint* paint = NULL) SK_OVERRIDE; | 47 const SkPaint* paint) SK_OVERRIDE; |
56 virtual void drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src, | 48 virtual void drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src, |
57 const SkRect& dst, const SkPaint* paint = NULL)
SK_OVERRIDE; | 49 const SkRect& dst, const SkPaint* paint) S
K_OVERRIDE; |
58 virtual void drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m, | 50 virtual void drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m, |
59 const SkPaint* paint = NULL) SK_OVERRIDE; | 51 const SkPaint* paint) SK_OVERRIDE; |
60 virtual void drawSprite(const SkBitmap& bitmap, int left, int top, | 52 virtual void drawSprite(const SkBitmap& bitmap, int left, int top, |
61 const SkPaint* paint = NULL) SK_OVERRIDE; | 53 const SkPaint* paint) SK_OVERRIDE; |
62 virtual void drawText(const void* text, size_t byteLength, SkScalar x, | 54 virtual void drawText(const void* text, size_t byteLength, SkScalar x, |
63 SkScalar y, const SkPaint& paint) SK_OVERRIDE; | 55 SkScalar y, const SkPaint& paint) SK_OVERRIDE; |
64 virtual void drawPosText(const void* text, size_t byteLength, | 56 virtual void drawPosText(const void* text, size_t byteLength, |
65 const SkPoint pos[], const SkPaint& paint) SK_OVERR
IDE; | 57 const SkPoint pos[], const SkPaint& paint) SK_OVERR
IDE; |
66 virtual void drawPosTextH(const void* text, size_t byteLength, | 58 virtual void drawPosTextH(const void* text, size_t byteLength, |
67 const SkScalar xpos[], SkScalar constY, | 59 const SkScalar xpos[], SkScalar constY, |
68 const SkPaint& paint) SK_OVERRIDE; | 60 const SkPaint& paint) SK_OVERRIDE; |
69 virtual void drawTextOnPath(const void* text, size_t byteLength, | 61 virtual void drawTextOnPath(const void* text, size_t byteLength, |
70 const SkPath& path, const SkMatrix* matrix, | 62 const SkPath& path, const SkMatrix* matrix, |
71 const SkPaint& paint) SK_OVERRIDE; | 63 const SkPaint& paint) SK_OVERRIDE; |
72 virtual void drawPicture(SkPicture&) SK_OVERRIDE; | 64 virtual void drawPicture(SkPicture&) SK_OVERRIDE; |
73 virtual void drawVertices(VertexMode vmode, int vertexCount, | 65 virtual void drawVertices(VertexMode vmode, int vertexCount, |
74 const SkPoint vertices[], const SkPoint texs[], | 66 const SkPoint vertices[], const SkPoint texs[], |
75 const SkColor colors[], SkXfermode* xmode, | 67 const SkColor colors[], SkXfermode* xmode, |
76 const uint16_t indices[], int indexCount, | 68 const uint16_t indices[], int indexCount, |
77 const SkPaint& paint) SK_OVERRIDE; | 69 const SkPaint& paint) SK_OVERRIDE; |
78 virtual void drawData(const void* data, size_t length) SK_OVERRIDE; | 70 virtual void drawData(const void* data, size_t length) SK_OVERRIDE; |
79 | 71 |
80 virtual SkBounder* setBounder(SkBounder* bounder) SK_OVERRIDE; | |
81 virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter) SK_OVERRIDE; | |
82 | |
83 private: | 72 private: |
84 SkCanvas* fProxy; | 73 lua_State* fL; |
| 74 SkString fFunc; |
| 75 |
| 76 void sendverb(const char verb[]); |
85 | 77 |
86 typedef SkCanvas INHERITED; | 78 typedef SkCanvas INHERITED; |
87 }; | 79 }; |
88 | 80 |
89 #endif | 81 #endif |
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