1 /* 2 * Copyright 2006 The Android Open Source Project 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 SkDiscretePathEffect_DEFINED 9 #define SkDiscretePathEffect_DEFINED 10 11 #include "SkPathEffect.h" 12 13 /** \class SkDiscretePathEffect 14 15 This path effect chops a path into discrete segments, and randomly displaces them. 16 */ 17 class SK_API SkDiscretePathEffect : public SkPathEffect { 18 public: 19 /** Break the path into segments of segLength length, and randomly move the endpoints 20 away from the original path by a maximum of deviation. 21 Note: works on filled or framed paths 22 */ 23 SkDiscretePathEffect(SkScalar segLength, SkScalar deviation); 24 25 virtual bool filterPath(SkPath* dst, const SkPath& src, 26 SkStrokeRec*, const SkRect*) const SK_OVERRIDE; 27 28 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDiscretePathEffect) 29 30 protected: 31 SkDiscretePathEffect(SkFlattenableReadBuffer&); 32 virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; 33 34 private: 35 SkScalar fSegLength, fPerterb; 36 37 typedef SkPathEffect INHERITED; 38 }; 39 40 #endif 41
