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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 void drawPaint(const SkPaint& paint) SK_OVERRIDE; |
| 30 virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[], |
| 31 const SkPaint& paint) SK_OVERRIDE; |
| 32 virtual void drawOval(const SkRect&, const SkPaint& paint) SK_OVERRIDE; |
| 33 virtual void drawRect(const SkRect&, const SkPaint& paint) SK_OVERRIDE; |
| 34 virtual void drawRRect(const SkRRect&, const SkPaint& paint) SK_OVERRIDE; |
| 35 virtual void drawPath(const SkPath& path, const SkPaint& paint) SK_OVERRIDE; |
| 36 virtual void drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top, |
| 37 const SkPaint* paint = NULL) SK_OVERRIDE; |
| 38 virtual void drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src, |
| 39 const SkRect& dst, const SkPaint* paint, |
| 40 DrawBitmapRectFlags flags) SK_OVERRIDE; |
| 41 virtual void drawImage(const SkImage* image, SkScalar left, SkScalar top, |
| 42 const SkPaint* paint = NULL) SK_OVERRIDE; |
| 43 virtual void drawImageRect(const SkImage* image, const SkRect* src, |
| 44 const SkRect& dst, |
| 45 const SkPaint* paint = NULL) SK_OVERRIDE; |
| 46 virtual void drawSprite(const SkBitmap& bitmap, int left, int top, |
| 47 const SkPaint* paint = NULL) SK_OVERRIDE; |
| 48 virtual void drawVertices(VertexMode vmode, int vertexCount, |
| 49 const SkPoint vertices[], const SkPoint texs[], |
| 50 const SkColor colors[], SkXfermode* xmode, |
| 51 const uint16_t indices[], int indexCount, |
| 52 const SkPaint& paint) SK_OVERRIDE; |
| 53 |
29 virtual void beginCommentGroup(const char* description) SK_OVERRIDE; | 54 virtual void beginCommentGroup(const char* description) SK_OVERRIDE; |
30 virtual void addComment(const char* kywd, const char* value) SK_OVERRIDE; | 55 virtual void addComment(const char* kywd, const char* value) SK_OVERRIDE; |
31 virtual void endCommentGroup() SK_OVERRIDE; | 56 virtual void endCommentGroup() SK_OVERRIDE; |
32 | 57 |
33 virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter) SK_OVERRIDE; | 58 virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter) SK_OVERRIDE; |
34 | 59 |
35 protected: | 60 protected: |
36 virtual void willSave() SK_OVERRIDE; | 61 virtual void willSave() SK_OVERRIDE; |
37 virtual SaveLayerStrategy willSaveLayer(const SkRect*, const SkPaint*, SaveF
lags) SK_OVERRIDE; | 62 virtual SaveLayerStrategy willSaveLayer(const SkRect*, const SkPaint*, SaveF
lags) SK_OVERRIDE; |
38 virtual void willRestore() SK_OVERRIDE; | 63 virtual void willRestore() SK_OVERRIDE; |
39 | 64 |
40 virtual void didConcat(const SkMatrix&) SK_OVERRIDE; | 65 virtual void didConcat(const SkMatrix&) SK_OVERRIDE; |
41 virtual void didSetMatrix(const SkMatrix&) SK_OVERRIDE; | 66 virtual void didSetMatrix(const SkMatrix&) SK_OVERRIDE; |
42 | 67 |
43 virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK
_OVERRIDE; | 68 virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK
_OVERRIDE; |
44 virtual void onDrawText(const void* text, size_t byteLength, SkScalar x, SkS
calar y, | 69 virtual void onDrawText(const void* text, size_t byteLength, SkScalar x, SkS
calar y, |
45 const SkPaint&) SK_OVERRIDE; | 70 const SkPaint&) SK_OVERRIDE; |
46 virtual void onDrawPosText(const void* text, size_t byteLength, const SkPoin
t pos[], | 71 virtual void onDrawPosText(const void* text, size_t byteLength, const SkPoin
t pos[], |
47 const SkPaint&) SK_OVERRIDE; | 72 const SkPaint&) SK_OVERRIDE; |
48 virtual void onDrawPosTextH(const void* text, size_t byteLength, const SkSca
lar xpos[], | 73 virtual void onDrawPosTextH(const void* text, size_t byteLength, const SkSca
lar xpos[], |
49 SkScalar constY, const SkPaint&) SK_OVERRIDE; | 74 SkScalar constY, const SkPaint&) SK_OVERRIDE; |
50 virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkP
ath& path, | 75 virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkP
ath& path, |
51 const SkMatrix* matrix, const SkPaint&) SK_OVE
RRIDE; | 76 const SkMatrix* matrix, const SkPaint&) SK_OVE
RRIDE; |
52 virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, | 77 virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
53 const SkPaint& paint) SK_OVERRIDE; | 78 const SkPaint& paint) SK_OVERRIDE; |
54 virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], | 79 virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], |
55 const SkPoint texCoords[4], SkXfermode* xmode, | 80 const SkPoint texCoords[4], SkXfermode* xmode, |
56 const SkPaint& paint) SK_OVERRIDE; | 81 const SkPaint& paint) SK_OVERRIDE; |
57 | |
58 void onDrawPaint(const SkPaint&) SK_OVERRIDE; | |
59 void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPain
t&) SK_OVERRIDE; | |
60 void onDrawRect(const SkRect&, const SkPaint&) SK_OVERRIDE; | |
61 void onDrawOval(const SkRect&, const SkPaint&) SK_OVERRIDE; | |
62 void onDrawRRect(const SkRRect&, const SkPaint&) SK_OVERRIDE; | |
63 void onDrawPath(const SkPath&, const SkPaint&) SK_OVERRIDE; | |
64 void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPain
t*) SK_OVERRIDE; | |
65 void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst,
const SkPaint*, | |
66 DrawBitmapRectFlags flags) SK_OVERRIDE; | |
67 void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*
) SK_OVERRIDE; | |
68 void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst, | |
69 const SkPaint*) SK_OVERRIDE; | |
70 void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect&
dst, | |
71 const SkPaint*) SK_OVERRIDE; | |
72 void onDrawSprite(const SkBitmap&, int left, int top, const SkPaint*) SK_OVE
RRIDE; | |
73 void onDrawVertices(VertexMode vmode, int vertexCount, | |
74 const SkPoint vertices[], const SkPoint texs[], | |
75 const SkColor colors[], SkXfermode* xmode, | |
76 const uint16_t indices[], int indexCount, | |
77 const SkPaint&) SK_OVERRIDE; | |
78 | 82 |
79 virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERR
IDE; | 83 virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERR
IDE; |
80 virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVE
RRIDE; | 84 virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVE
RRIDE; |
81 virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERR
IDE; | 85 virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERR
IDE; |
82 virtual void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE; | 86 virtual void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE; |
83 | 87 |
84 virtual void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*
) SK_OVERRIDE; | 88 virtual void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*
) SK_OVERRIDE; |
85 | 89 |
86 private: | 90 private: |
87 SkCanvas* fProxy; | 91 SkCanvas* fProxy; |
88 | 92 |
89 typedef SkCanvas INHERITED; | 93 typedef SkCanvas INHERITED; |
90 }; | 94 }; |
91 | 95 |
92 #endif | 96 #endif |
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