michael@0: /*
michael@0:  * Copyright 2006 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #ifndef SkDiscretePathEffect_DEFINED
michael@0: #define SkDiscretePathEffect_DEFINED
michael@0: 
michael@0: #include "SkPathEffect.h"
michael@0: 
michael@0: /** \class SkDiscretePathEffect
michael@0: 
michael@0:     This path effect chops a path into discrete segments, and randomly displaces them.
michael@0: */
michael@0: class SK_API SkDiscretePathEffect : public SkPathEffect {
michael@0: public:
michael@0:     /** Break the path into segments of segLength length, and randomly move the endpoints
michael@0:         away from the original path by a maximum of deviation.
michael@0:         Note: works on filled or framed paths
michael@0:     */
michael@0:     static SkDiscretePathEffect* Create(SkScalar segLength, SkScalar deviation) {
michael@0:         return SkNEW_ARGS(SkDiscretePathEffect, (segLength, deviation));
michael@0:     }
michael@0: 
michael@0:     virtual bool filterPath(SkPath* dst, const SkPath& src,
michael@0:                             SkStrokeRec*, const SkRect*) const SK_OVERRIDE;
michael@0: 
michael@0:     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDiscretePathEffect)
michael@0: 
michael@0: protected:
michael@0:     SkDiscretePathEffect(SkReadBuffer&);
michael@0:     virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
michael@0: 
michael@0: #ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS
michael@0: public:
michael@0: #endif
michael@0:     SkDiscretePathEffect(SkScalar segLength, SkScalar deviation);
michael@0: 
michael@0: private:
michael@0:     SkScalar fSegLength, fPerterb;
michael@0: 
michael@0:     typedef SkPathEffect INHERITED;
michael@0: };
michael@0: 
michael@0: #endif