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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 #ifndef SkProxyCanvas_DEFINED | 8 #ifndef SkProxyCanvas_DEFINED |
9 #define SkProxyCanvas_DEFINED | 9 #define SkProxyCanvas_DEFINED |
10 | 10 |
11 #include "SkCanvas.h" | 11 #include "SkCanvas.h" |
12 | 12 |
13 /** This class overrides all virtual methods on SkCanvas, and redirects them | 13 /** This class overrides all virtual methods on SkCanvas, and redirects them |
14 to a "proxy", another SkCanvas instance. It can be the basis for | 14 to a "proxy", another SkCanvas instance. It can be the basis for |
15 intercepting (and possibly modifying) calls to a canvas. | 15 intercepting (and possibly modifying) calls to a canvas. |
16 | 16 |
17 There must be a proxy installed before the proxycanvas can be used (i.e. | 17 There must be a proxy installed before the proxycanvas can be used (i.e. |
18 before its virtual methods can be called). | 18 before its virtual methods can be called). |
19 */ | 19 */ |
20 class SK_API SkProxyCanvas : public SkCanvas { | 20 class SK_API SkProxyCanvas : public SkCanvas { |
21 public: | 21 public: |
22 SkProxyCanvas() : fProxy(NULL) {} | 22 SkProxyCanvas() : fProxy(NULL) {} |
23 SkProxyCanvas(SkCanvas* proxy); | 23 SkProxyCanvas(SkCanvas* proxy); |
24 virtual ~SkProxyCanvas(); | 24 virtual ~SkProxyCanvas(); |
25 | 25 |
26 SkCanvas* getProxy() const { return fProxy; } | 26 SkCanvas* getProxy() const { return fProxy; } |
27 void setProxy(SkCanvas* proxy); | 27 void setProxy(SkCanvas* proxy); |
28 | 28 |
29 virtual int save(SaveFlags flags = kMatrixClip_SaveFlag) SK_OVERRIDE; | |
30 virtual int saveLayer(const SkRect* bounds, const SkPaint* paint, | |
31 SaveFlags flags = kARGB_ClipLayer_SaveFlag) SK_OVERRID
E; | |
32 virtual void restore() SK_OVERRIDE; | |
33 | |
34 virtual bool translate(SkScalar dx, SkScalar dy) SK_OVERRIDE; | 29 virtual bool translate(SkScalar dx, SkScalar dy) SK_OVERRIDE; |
35 virtual bool scale(SkScalar sx, SkScalar sy) SK_OVERRIDE; | 30 virtual bool scale(SkScalar sx, SkScalar sy) SK_OVERRIDE; |
36 virtual bool rotate(SkScalar degrees) SK_OVERRIDE; | 31 virtual bool rotate(SkScalar degrees) SK_OVERRIDE; |
37 virtual bool skew(SkScalar sx, SkScalar sy) SK_OVERRIDE; | 32 virtual bool skew(SkScalar sx, SkScalar sy) SK_OVERRIDE; |
38 virtual bool concat(const SkMatrix& matrix) SK_OVERRIDE; | 33 virtual bool concat(const SkMatrix& matrix) SK_OVERRIDE; |
39 virtual void setMatrix(const SkMatrix& matrix) SK_OVERRIDE; | 34 virtual void setMatrix(const SkMatrix& matrix) SK_OVERRIDE; |
40 | 35 |
41 virtual void drawPaint(const SkPaint& paint) SK_OVERRIDE; | 36 virtual void drawPaint(const SkPaint& paint) SK_OVERRIDE; |
42 virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[], | 37 virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[], |
43 const SkPaint& paint) SK_OVERRIDE; | 38 const SkPaint& paint) SK_OVERRIDE; |
(...skipping 29 matching lines...) Expand all Loading... |
73 virtual void drawData(const void* data, size_t length) SK_OVERRIDE; | 68 virtual void drawData(const void* data, size_t length) SK_OVERRIDE; |
74 | 69 |
75 virtual void beginCommentGroup(const char* description) SK_OVERRIDE; | 70 virtual void beginCommentGroup(const char* description) SK_OVERRIDE; |
76 virtual void addComment(const char* kywd, const char* value) SK_OVERRIDE; | 71 virtual void addComment(const char* kywd, const char* value) SK_OVERRIDE; |
77 virtual void endCommentGroup() SK_OVERRIDE; | 72 virtual void endCommentGroup() SK_OVERRIDE; |
78 | 73 |
79 virtual SkBounder* setBounder(SkBounder* bounder) SK_OVERRIDE; | 74 virtual SkBounder* setBounder(SkBounder* bounder) SK_OVERRIDE; |
80 virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter) SK_OVERRIDE; | 75 virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter) SK_OVERRIDE; |
81 | 76 |
82 protected: | 77 protected: |
| 78 virtual void willSave(SaveFlags) SK_OVERRIDE; |
| 79 virtual SaveLayerStrategy willSaveLayer(const SkRect*, const SkPaint*, SaveF
lags) SK_OVERRIDE; |
| 80 virtual void willRestore() SK_OVERRIDE; |
| 81 |
83 virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK
_OVERRIDE; | 82 virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK
_OVERRIDE; |
84 | 83 |
85 virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERR
IDE; | 84 virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERR
IDE; |
86 virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVE
RRIDE; | 85 virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVE
RRIDE; |
87 virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERR
IDE; | 86 virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERR
IDE; |
88 virtual void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE; | 87 virtual void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE; |
89 | 88 |
90 private: | 89 private: |
91 SkCanvas* fProxy; | 90 SkCanvas* fProxy; |
92 | 91 |
93 typedef SkCanvas INHERITED; | 92 typedef SkCanvas INHERITED; |
94 }; | 93 }; |
95 | 94 |
96 #endif | 95 #endif |
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