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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 |
29 virtual bool translate(SkScalar dx, SkScalar dy) SK_OVERRIDE; | 34 virtual bool translate(SkScalar dx, SkScalar dy) SK_OVERRIDE; |
30 virtual bool scale(SkScalar sx, SkScalar sy) SK_OVERRIDE; | 35 virtual bool scale(SkScalar sx, SkScalar sy) SK_OVERRIDE; |
31 virtual bool rotate(SkScalar degrees) SK_OVERRIDE; | 36 virtual bool rotate(SkScalar degrees) SK_OVERRIDE; |
32 virtual bool skew(SkScalar sx, SkScalar sy) SK_OVERRIDE; | 37 virtual bool skew(SkScalar sx, SkScalar sy) SK_OVERRIDE; |
33 virtual bool concat(const SkMatrix& matrix) SK_OVERRIDE; | 38 virtual bool concat(const SkMatrix& matrix) SK_OVERRIDE; |
34 virtual void setMatrix(const SkMatrix& matrix) SK_OVERRIDE; | 39 virtual void setMatrix(const SkMatrix& matrix) SK_OVERRIDE; |
35 | 40 |
36 virtual void drawPaint(const SkPaint& paint) SK_OVERRIDE; | 41 virtual void drawPaint(const SkPaint& paint) SK_OVERRIDE; |
37 virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[], | 42 virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[], |
38 const SkPaint& paint) SK_OVERRIDE; | 43 const SkPaint& paint) SK_OVERRIDE; |
(...skipping 29 matching lines...) Expand all Loading... |
68 virtual void drawData(const void* data, size_t length) SK_OVERRIDE; | 73 virtual void drawData(const void* data, size_t length) SK_OVERRIDE; |
69 | 74 |
70 virtual void beginCommentGroup(const char* description) SK_OVERRIDE; | 75 virtual void beginCommentGroup(const char* description) SK_OVERRIDE; |
71 virtual void addComment(const char* kywd, const char* value) SK_OVERRIDE; | 76 virtual void addComment(const char* kywd, const char* value) SK_OVERRIDE; |
72 virtual void endCommentGroup() SK_OVERRIDE; | 77 virtual void endCommentGroup() SK_OVERRIDE; |
73 | 78 |
74 virtual SkBounder* setBounder(SkBounder* bounder) SK_OVERRIDE; | 79 virtual SkBounder* setBounder(SkBounder* bounder) SK_OVERRIDE; |
75 virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter) SK_OVERRIDE; | 80 virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter) SK_OVERRIDE; |
76 | 81 |
77 protected: | 82 protected: |
78 virtual void onSave(SaveFlags) SK_OVERRIDE; | |
79 virtual bool onSaveLayer(const SkRect*, const SkPaint*, SaveFlags) SK_OVERRI
DE; | |
80 virtual void onRestore() SK_OVERRIDE; | |
81 | |
82 virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK
_OVERRIDE; | 83 virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK
_OVERRIDE; |
83 | 84 |
84 virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERR
IDE; | 85 virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERR
IDE; |
85 virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVE
RRIDE; | 86 virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVE
RRIDE; |
86 virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERR
IDE; | 87 virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERR
IDE; |
87 virtual void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE; | 88 virtual void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE; |
88 | 89 |
89 private: | 90 private: |
90 SkCanvas* fProxy; | 91 SkCanvas* fProxy; |
91 | 92 |
92 typedef SkCanvas INHERITED; | 93 typedef SkCanvas INHERITED; |
93 }; | 94 }; |
94 | 95 |
95 #endif | 96 #endif |
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