reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame^] | 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 | |