1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SkDiscretePathEffect_DEFINED 18 #define SkDiscretePathEffect_DEFINED 19 20 #include "SkPathEffect.h" 21 22 /** \class SkDiscretePathEffect 23 24 This path effect chops a path into discrete segments, and randomly displaces them. 25 */ 26 class SkDiscretePathEffect : public SkPathEffect { 27 public: 28 /** Break the path into segments of segLength length, and randomly move the endpoints 29 away from the original path by a maximum of deviation. 30 Note: works on filled or framed paths 31 */ 32 SkDiscretePathEffect(SkScalar segLength, SkScalar deviation); 33 34 // overrides for SkPathEffect 35 // This method is not exported to java. 36 virtual bool filterPath(SkPath* dst, const SkPath& src, SkScalar* width); 37 38 // overrides for SkFlattenable 39 // This method is not exported to java. 40 virtual Factory getFactory(); 41 // This method is not exported to java. 42 virtual void flatten(SkFlattenableWriteBuffer&); 43 44 protected: 45 SkDiscretePathEffect(SkFlattenableReadBuffer&); 46 47 private: 48 SkScalar fSegLength, fPerterb; 49 50 static SkFlattenable* CreateProc(SkFlattenableReadBuffer&); 51 52 typedef SkPathEffect INHERITED; 53 }; 54 55 #endif 56 57
