src/utils/android/SkAndroidSDKCanvas.h - Issue 1536013003: Move SkAndroidSDKCanvas to tools and ensure that it is built on all Android builds

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Issue 1536013003: Move SkAndroidSDKCanvas to tools and ensure that it is built on all Android builds (Closed) Base URL: https://skia.googlesource.com/skia.git@master

Patch Set: Created 5 years ago

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1 /*

2 * Copyright 2015 Google Inc.

3 *

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

5 * found in the LICENSE file.

6 */

7

8 #ifndef SkAndroidSDKCanvas_DEFINED

9 #define SkAndroidSDKCanvas_DEFINED

10

11 #include "SkBitmap.h"

12 #include "SkCanvas.h"

13 #include "SkPaint.h"

14 #include "SkPath.h"

15 #include "SkRect.h"

16

17 /** SkDrawFilter is likely to be deprecated; this is a proxy

18 canvas that does the same thing: alter SkPaint fields.

19

20 onDraw*() functions may have their SkPaint modified, and are then

21 passed on to the same function on proxyTarget. THIS BREAKS CONSTNESS!

22

23 This still suffers one of the same architectural flaws as SkDrawFilter:

24 TextBlob paints are incomplete when filter is called.

25 */

26

27 class SkAndroidSDKCanvas : public SkCanvas {

28 public:

29 SkAndroidSDKCanvas();

30 void reset(SkCanvas* newTarget);

31

32 protected:

33

34 // FILTERING

35

36 void onDrawPaint(const SkPaint& paint) override;

37 void onDrawPoints(PointMode pMode, size_t count, const SkPoint pts[],

38 const SkPaint& paint) override;

39 void onDrawOval(const SkRect& r, const SkPaint& paint) override;

40 void onDrawRect(const SkRect& r, const SkPaint& paint) override;

41 void onDrawRRect(const SkRRect& r, const SkPaint& paint) override;

42 void onDrawPath(const SkPath& path, const SkPaint& paint) override;

43 void onDrawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top,

44 const SkPaint* paint) override;

45 void onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRec t& dst,

46 const SkPaint* paint, SkCanvas::SrcRectConstraint) ove rride;

47 void onDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center,

48 const SkRect& dst, const SkPaint* paint) override;

49 void onDrawVertices(VertexMode vMode, int vertexCount, const SkPoint vertice s[],

50 const SkPoint texs[], const SkColor colors[], SkXfermode * xMode,

51 const uint16_t indices[], int indexCount,

52 const SkPaint& paint) override;

53

54 void onDrawDRRect(const SkRRect& outer, const SkRRect& inner,

55 const SkPaint& paint) override;

56

57 void onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,

58 const SkPaint& paint) override;

59 void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[],

60 const SkPaint& paint) override;

61 void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos [],

62 SkScalar constY, const SkPaint& paint) override;

63 void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& pat h,

64 const SkMatrix* matrix, const SkPaint& paint) override ;

65 void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,

66 const SkPaint& paint) override;

67

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

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

70 const SkPaint& paint) override;

71

72 void onDrawImage(const SkImage, SkScalar, SkScalar, const SkPaint) overrid e;

73 void onDrawImageRect(const SkImage, const SkRect, const SkRect&, const SkP aint*,

74 SrcRectConstraint) override;

75 void onDrawPicture(const SkPicture, const SkMatrix, const SkPaint*);

76 void onDrawAtlas(const SkImage*, const SkRSXform[], const SkRect[],

77 const SkColor[], int count, SkXfermode::Mode,

78 const SkRect* cull, const SkPaint*) override;

79 void onDrawImageNine(const SkImage*, const SkIRect& center,

80 const SkRect& dst, const SkPaint*) override;

81

82 // PASS THROUGH

83

84 void onDrawDrawable(SkDrawable, const SkMatrix) override;

85 SkISize getBaseLayerSize() const override;

86 bool getClipBounds(SkRect*) const override;

87 bool getClipDeviceBounds(SkIRect*) const override;

88 bool isClipEmpty() const override;

89 bool isClipRect() const override;

90 SkSurface* onNewSurface(const SkImageInfo&, const SkSurfaceProps&) override;

91 bool onPeekPixels(SkPixmap*) override;

92 bool onAccessTopLayerPixels(SkPixmap*) override;

93 void willSave() override;

94 SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec&) override;

95 void willRestore() override;

96 void didRestore() override;

97 void didConcat(const SkMatrix&) override;

98 void didSetMatrix(const SkMatrix&) override;

99 void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) override;

100 void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) override;

101 void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) override;

102 void onClipRegion(const SkRegion&, SkRegion::Op) override;

103 void onDiscard() override;

104

105 protected:

106 SkCanvas* fProxyTarget;

107 };

108

109 #endif // SkAndroidSDKCanvas_DEFINED

110

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