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 SkDashPathEffect_DEFINED 18 #define SkDashPathEffect_DEFINED 19 20 #include "SkPathEffect.h" 21 22 /** \class SkDashPathEffect 23 24 SkDashPathEffect is a subclass of SkPathEffect that implements dashing 25 */ 26 class SkDashPathEffect : public SkPathEffect { 27 public: 28 /** The intervals array must contain an even number of entries (>=2), with the even 29 indices specifying the "on" intervals, and the odd indices specifying the "off" 30 intervals. phase is an offset into the intervals array (mod the sum of all of the 31 intervals). 32 Note: only affects framed paths 33 */ 34 SkDashPathEffect(const SkScalar intervals[], int count, SkScalar phase, bool scaleToFit = false); 35 virtual ~SkDashPathEffect(); 36 37 // overrides for SkPathEffect 38 // This method is not exported to java. 39 virtual bool filterPath(SkPath* dst, const SkPath& src, SkScalar* width); 40 41 // overrides for SkFlattenable 42 // This method is not exported to java. 43 virtual Factory getFactory(); 44 // This method is not exported to java. 45 virtual void flatten(SkFlattenableWriteBuffer&); 46 47 protected: 48 SkDashPathEffect(SkFlattenableReadBuffer&); 49 50 private: 51 SkScalar* fIntervals; 52 int32_t fCount; 53 // computed from phase 54 SkScalar fInitialDashLength; 55 int32_t fInitialDashIndex; 56 SkScalar fIntervalLength; 57 bool fScaleToFit; 58 59 static SkFlattenable* CreateProc(SkFlattenableReadBuffer&); 60 61 typedef SkPathEffect INHERITED; 62 }; 63 64 #endif 65 66