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      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 SkCornerPathEffect_DEFINED
     18 #define SkCornerPathEffect_DEFINED
     19 
     20 #include "SkPathEffect.h"
     21 
     22 /** \class SkCornerPathEffect
     23 
     24     SkCornerPathEffect is a subclass of SkPathEffect that can turn sharp corners
     25     into various treatments (e.g. rounded corners)
     26 */
     27 class SkCornerPathEffect : public SkPathEffect {
     28 public:
     29     /** radius must be > 0 to have an effect. It specifies the distance from each corner
     30         that should be "rounded".
     31     */
     32     SkCornerPathEffect(SkScalar radius);
     33     virtual ~SkCornerPathEffect();
     34 
     35     // overrides for SkPathEffect
     36     //  This method is not exported to java.
     37     virtual bool filterPath(SkPath* dst, const SkPath& src, SkScalar* width);
     38 
     39     // overrides for SkFlattenable
     40     //  This method is not exported to java.
     41     virtual Factory getFactory();
     42     //  This method is not exported to java.
     43     virtual void flatten(SkFlattenableWriteBuffer&);
     44 
     45 protected:
     46     SkCornerPathEffect(SkFlattenableReadBuffer&);
     47 
     48 private:
     49     SkScalar    fRadius;
     50 
     51     static SkFlattenable* CreateProc(SkFlattenableReadBuffer&);
     52 
     53     // illegal
     54     SkCornerPathEffect(const SkCornerPathEffect&);
     55     SkCornerPathEffect& operator=(const SkCornerPathEffect&);
     56 
     57     typedef SkPathEffect INHERITED;
     58 };
     59 
     60 #endif
     61 
     62