src/effects/gradients/SkTwoPointConicalGradient.h - Issue 207683004: Extract most of the mutable state of SkShader into a separate Context object.

Side by Side Diff: src/effects/gradients/SkTwoPointConicalGradient.h

Issue 207683004: Extract most of the mutable state of SkShader into a separate Context object. (Closed) Base URL: https://skia.googlesource.com/skia.git@master

Patch Set: freeLast reduces fStorageUsed; TriColorShaderContext::setup; totalInverse param to validContext Created 6 years, 9 months ago

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1	1

2 /*	2 /*

3 * Copyright 2012 Google Inc.	3 * Copyright 2012 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	8

9 #ifndef SkTwoPointConicalGradient_DEFINED	9 #ifndef SkTwoPointConicalGradient_DEFINED

10 #define SkTwoPointConicalGradient_DEFINED	10 #define SkTwoPointConicalGradient_DEFINED

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42	42

43 class SkTwoPointConicalGradient : public SkGradientShaderBase {	43 class SkTwoPointConicalGradient : public SkGradientShaderBase {

44 TwoPtRadial fRec;	44 TwoPtRadial fRec;

45 void init();	45 void init();

46	46

47 public:	47 public:

48 SkTwoPointConicalGradient(const SkPoint& start, SkScalar startRadius,	48 SkTwoPointConicalGradient(const SkPoint& start, SkScalar startRadius,

49 const SkPoint& end, SkScalar endRadius,	49 const SkPoint& end, SkScalar endRadius,

50 const Descriptor&);	50 const Descriptor&);

51	51

	52 #if 0

52 virtual void shadeSpan(int x, int y, SkPMColor* dstCParam,	53 virtual void shadeSpan(int x, int y, SkPMColor* dstCParam,

53 int count) SK_OVERRIDE;	54 int count) SK_OVERRIDE;

54 virtual bool setContext(const SkBitmap& device,	55 virtual bool setContext(const SkBitmap& device,

55 const SkPaint& paint,	56 const SkPaint& paint,

56 const SkMatrix& matrix) SK_OVERRIDE;	57 const SkMatrix& matrix) SK_OVERRIDE;

	58 #endif

57	59

58 virtual BitmapType asABitmap(SkBitmap* bitmap,	60 virtual BitmapType asABitmap(SkBitmap* bitmap,

59 SkMatrix* matrix,	61 SkMatrix* matrix,

60 TileMode* xy) const;	62 TileMode* xy) const;

61 virtual SkShader::GradientType asAGradient(GradientInfo* info) const SK_OVE RRIDE;	63 virtual SkShader::GradientType asAGradient(GradientInfo* info) const SK_OVE RRIDE;

62 virtual GrEffectRef* asNewEffect(GrContext* context, const SkPaint& paint) c onst SK_OVERRIDE;	64 virtual GrEffectRef* asNewEffect(GrContext* context, const SkPaint& paint) c onst SK_OVERRIDE;

63 virtual bool isOpaque() const SK_OVERRIDE;	65 virtual bool isOpaque() const SK_OVERRIDE;

64	66

65 SkScalar getCenterX1() const { return SkPoint::Distance(fCenter1, fCenter2); }	67 SkScalar getCenterX1() const { return SkPoint::Distance(fCenter1, fCenter2); }

66 SkScalar getStartRadius() const { return fRadius1; }	68 SkScalar getStartRadius() const { return fRadius1; }

67 SkScalar getDiffRadius() const { return fRadius2 - fRadius1; }	69 SkScalar getDiffRadius() const { return fRadius2 - fRadius1; }

68	70

69 SK_DEVELOPER_TO_STRING()	71 SK_DEVELOPER_TO_STRING()

70 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTwoPointConicalGradien t)	72 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTwoPointConicalGradien t)

71	73

72 protected:	74 protected:

73 SkTwoPointConicalGradient(SkReadBuffer& buffer);	75 SkTwoPointConicalGradient(SkReadBuffer& buffer);

74 virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE;	76 virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE;

75	77

76 private:	78 private:

77 typedef SkGradientShaderBase INHERITED;	79 typedef SkGradientShaderBase INHERITED;

78 const SkPoint fCenter1;	80 const SkPoint fCenter1;

79 const SkPoint fCenter2;	81 const SkPoint fCenter2;

80 const SkScalar fRadius1;	82 const SkScalar fRadius1;

81 const SkScalar fRadius2;	83 const SkScalar fRadius2;

82 };	84 };

83	85

84 #endif	86 #endif

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