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      1 /*
      2  * Copyright 2017 Google Inc.
      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 SkDashImpl_DEFINED
      9 #define SkDashImpl_DEFINED
     10 
     11 #include "SkPathEffect.h"
     12 
     13 class SK_API SkDashImpl : public SkPathEffect {
     14 public:
     15     SkDashImpl(const SkScalar intervals[], int count, SkScalar phase);
     16 
     17     bool filterPath(SkPath* dst, const SkPath& src, SkStrokeRec*, const SkRect*) const override;
     18 
     19     bool asPoints(PointData* results, const SkPath& src, const SkStrokeRec&, const SkMatrix&,
     20                   const SkRect*) const override;
     21 
     22     DashType asADash(DashInfo* info) const override;
     23 
     24     SK_TO_STRING_OVERRIDE()
     25     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDashImpl)
     26 
     27 #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
     28     bool exposedInAndroidJavaAPI() const override { return true; }
     29 #endif
     30 
     31 protected:
     32     ~SkDashImpl() override;
     33     void flatten(SkWriteBuffer&) const override;
     34 
     35 private:
     36     SkScalar*   fIntervals;
     37     int32_t     fCount;
     38     SkScalar    fPhase;
     39     // computed from phase
     40 
     41     SkScalar    fInitialDashLength;
     42     int32_t     fInitialDashIndex;
     43     SkScalar    fIntervalLength;
     44 
     45     typedef SkPathEffect INHERITED;
     46 };
     47 
     48 #endif
     49