SkDiscretePathEffect.h revision 6806fe87e0b39e283291c1a1c7d1d864230aa2aa
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*/ 17class SK_API SkDiscretePathEffect : public SkPathEffect { 18public: 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, SkStrokeRec*) SK_OVERRIDE; 26 27 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDiscretePathEffect) 28 29protected: 30 SkDiscretePathEffect(SkFlattenableReadBuffer&); 31 virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; 32 33private: 34 SkScalar fSegLength, fPerterb; 35 36 typedef SkPathEffect INHERITED; 37}; 38 39#endif 40