| 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 "include/core/SkFlattenable.h" |
| 12 | #include "include/core/SkPathEffect.h" |
| 13 | |
| 14 | /** \class SkCornerPathEffect |
| 15 | |
| 16 | SkCornerPathEffect is a subclass of SkPathEffect that can turn sharp corners |
| 17 | into various treatments (e.g. rounded corners) |
| 18 | */ |
| 19 | class SK_API SkCornerPathEffect : public SkPathEffect { |
| 20 | public: |
| 21 | /** radius must be > 0 to have an effect. It specifies the distance from each corner |
| 22 | that should be "rounded". |
| 23 | */ |
| 24 | static sk_sp<SkPathEffect> Make(SkScalar radius) { |
| 25 | return radius > 0 ? sk_sp<SkPathEffect>(new SkCornerPathEffect(radius)) : nullptr; |
| 26 | } |
| 27 | |
| 28 | protected: |
| 29 | ~SkCornerPathEffect() override; |
| 30 | |
| 31 | explicit SkCornerPathEffect(SkScalar radius); |
| 32 | void flatten(SkWriteBuffer&) const override; |
| 33 | bool onFilterPath(SkPath* dst, const SkPath& src, SkStrokeRec*, const SkRect*) const override; |
| 34 | |
| 35 | private: |
| 36 | SK_FLATTENABLE_HOOKS(SkCornerPathEffect) |
| 37 | |
| 38 | SkScalar fRadius; |
| 39 | |
| 40 | typedef SkPathEffect INHERITED; |
| 41 | }; |
| 42 | |
| 43 | #endif |
| 44 | |