include/utils/SkProxyCanvas.h - Issue 886813002: Remove SkProxyCanvas.

Side by Side Diff: include/utils/SkProxyCanvas.h

Issue 886813002: Remove SkProxyCanvas. (Closed) Base URL: https://skia.googlesource.com/skia.git@master

Patch Set: Created 5 years, 10 months ago

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1

2 /*

3 * Copyright 2011 Google Inc.

4 *

5 * Use of this source code is governed by a BSD-style license that can be

6 * found in the LICENSE file.

7 */

8 #ifndef SkProxyCanvas_DEFINED

9 #define SkProxyCanvas_DEFINED

10

11 #include "SkCanvas.h"

12

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

15 intercepting (and possibly modifying) calls to a canvas.

16

17 There must be a proxy installed before the proxycanvas can be used (i.e.

18 before its virtual methods can be called).

19 */

20 class SK_API SkProxyCanvas : public SkCanvas {

21 public:

22 SkProxyCanvas() : fProxy(NULL) {}

23 SkProxyCanvas(SkCanvas* proxy);

24 virtual ~SkProxyCanvas();

25

26 SkCanvas* getProxy() const { return fProxy; }

27 void setProxy(SkCanvas* proxy);

28

29 void beginCommentGroup(const char* description) SK_OVERRIDE;

30 void addComment(const char* kywd, const char* value) SK_OVERRIDE;

31 void endCommentGroup() SK_OVERRIDE;

32

33 SkDrawFilter* setDrawFilter(SkDrawFilter* filter) SK_OVERRIDE;

34

35 protected:

36 void willSave() SK_OVERRIDE;

37 SaveLayerStrategy willSaveLayer(const SkRect, const SkPaint, SaveFlags) SK _OVERRIDE;

38 void willRestore() SK_OVERRIDE;

39

40 void didConcat(const SkMatrix&) SK_OVERRIDE;

41 void didSetMatrix(const SkMatrix&) SK_OVERRIDE;

42

43 void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK_OVERRID E;

44 virtual void onDrawText(const void* text, size_t byteLength, SkScalar x, SkS calar y,

45 const SkPaint&) SK_OVERRIDE;

46 virtual void onDrawPosText(const void* text, size_t byteLength, const SkPoin t pos[],

47 const SkPaint&) SK_OVERRIDE;

48 virtual void onDrawPosTextH(const void* text, size_t byteLength, const SkSca lar xpos[],

49 SkScalar constY, const SkPaint&) SK_OVERRIDE;

50 virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkP ath& path,

51 const SkMatrix* matrix, const SkPaint&) SK_OVE RRIDE;

52 virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,

53 const SkPaint& paint) SK_OVERRIDE;

54 virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],

55 const SkPoint texCoords[4], SkXfermode* xmode,

56 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

79 void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;

80 void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;

81 void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;

82 void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE;

83

84 void onDrawPicture(const SkPicture, const SkMatrix, const SkPaint*) SK_OVE RRIDE;

85

86 private:

87 SkCanvas* fProxy;

88

89 typedef SkCanvas INHERITED;

90 };

91

92 #endif

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