SkCornerPathEffect.h revision 4bbdeac58cc928dc66296bde3bd06e78070d96b7 
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 SkCornerPathEffect_DEFINED
9#define SkCornerPathEffect_DEFINED
10
11#include "SkPathEffect.h"
12
13/** \class SkCornerPathEffect
14
15    SkCornerPathEffect is a subclass of SkPathEffect that can turn sharp corners
16    into various treatments (e.g. rounded corners)
17*/
18class SK_API SkCornerPathEffect : public SkPathEffect {
19public:
20    /** radius must be > 0 to have an effect. It specifies the distance from each corner
21        that should be "rounded".
22    */
23    SkCornerPathEffect(SkScalar radius);
24    virtual ~SkCornerPathEffect();
25
26    virtual bool filterPath(SkPath* dst, const SkPath& src,
27                            SkStrokeRec*, const SkRect*) const SK_OVERRIDE;
28
29    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkCornerPathEffect)
30
31protected:
32    SkCornerPathEffect(SkFlattenableReadBuffer&);
33    virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE;
34
35private:
36    SkScalar    fRadius;
37
38    typedef SkPathEffect INHERITED;
39};
40
41#endif
42