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comparison: gfx/skia/trunk/src/effects/gradients/SkTwoPointRadialGradient.h
gfx/skia/trunk/src/effects/gradients/SkTwoPointRadialGradient.h
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:10fe180157b4 |
|---|---|
| 1 | |
| 2 /* | |
| 3 * Copyright 2012 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 | |
| 9 #ifndef SkTwoPointRadialGradient_DEFINED | |
| 10 #define SkTwoPointRadialGradient_DEFINED | |
| 11 | |
| 12 #include "SkGradientShaderPriv.h" | |
| 13 | |
| 14 class SkTwoPointRadialGradient : public SkGradientShaderBase { | |
| 15 public: | |
| 16 SkTwoPointRadialGradient(const SkPoint& start, SkScalar startRadius, | |
| 17 const SkPoint& end, SkScalar endRadius, | |
| 18 const Descriptor&); | |
| 19 | |
| 20 virtual BitmapType asABitmap(SkBitmap* bitmap, | |
| 21 SkMatrix* matrix, | |
| 22 TileMode* xy) const SK_OVERRIDE; | |
| 23 virtual GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE; | |
| 24 virtual GrEffectRef* asNewEffect(GrContext* context, const SkPaint&) const SK_OVERRIDE; | |
| 25 | |
| 26 virtual void shadeSpan(int x, int y, SkPMColor* dstCParam, | |
| 27 int count) SK_OVERRIDE; | |
| 28 virtual bool setContext(const SkBitmap& device, | |
| 29 const SkPaint& paint, | |
| 30 const SkMatrix& matrix) SK_OVERRIDE; | |
| 31 | |
| 32 SkScalar getCenterX1() const { return fDiff.length(); } | |
| 33 SkScalar getStartRadius() const { return fStartRadius; } | |
| 34 SkScalar getDiffRadius() const { return fDiffRadius; } | |
| 35 | |
| 36 SK_TO_STRING_OVERRIDE() | |
| 37 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTwoPointRadialGradient) | |
| 38 | |
| 39 protected: | |
| 40 SkTwoPointRadialGradient(SkReadBuffer& buffer); | |
| 41 virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE; | |
| 42 | |
| 43 private: | |
| 44 typedef SkGradientShaderBase INHERITED; | |
| 45 const SkPoint fCenter1; | |
| 46 const SkPoint fCenter2; | |
| 47 const SkScalar fRadius1; | |
| 48 const SkScalar fRadius2; | |
| 49 SkPoint fDiff; | |
| 50 SkScalar fStartRadius, fDiffRadius, fSr2D2, fA, fOneOverTwoA; | |
| 51 | |
| 52 void init(); | |
| 53 }; | |
| 54 | |
| 55 #endif |
