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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 SkStroke_DEFINED
9 #define SkStroke_DEFINED
10 
11 #include "SkPath.h"
12 #include "SkPoint.h"
13 #include "SkPaint.h"
14 
15 /** \class SkStroke
16     SkStroke is the utility class that constructs paths by stroking
17     geometries (lines, rects, ovals, roundrects, paths). This is
18     invoked when a geometry or text is drawn in a canvas with the
19     kStroke_Mask bit set in the paint.
20 */
21 class SkStroke {
22 public:
23     SkStroke();
24     SkStroke(const SkPaint&);
25     SkStroke(const SkPaint&, SkScalar width);   // width overrides paint.getStrokeWidth()
26 
getCap()27     SkPaint::Cap    getCap() const { return (SkPaint::Cap)fCap; }
28     void        setCap(SkPaint::Cap);
29 
getJoin()30     SkPaint::Join   getJoin() const { return (SkPaint::Join)fJoin; }
31     void        setJoin(SkPaint::Join);
32 
33     void    setMiterLimit(SkScalar);
34     void    setWidth(SkScalar);
35 
getDoFill()36     bool    getDoFill() const { return SkToBool(fDoFill); }
setDoFill(bool doFill)37     void    setDoFill(bool doFill) { fDoFill = SkToU8(doFill); }
38 
39     /**
40      *  Stroke the specified rect, winding it in the specified direction..
41      */
42     void    strokeRect(const SkRect& rect, SkPath* result,
43                        SkPath::Direction = SkPath::kCW_Direction) const;
44     void    strokePath(const SkPath& path, SkPath*) const;
45 
46     ////////////////////////////////////////////////////////////////
47 
48 private:
49     SkScalar    fWidth, fMiterLimit;
50     uint8_t     fCap, fJoin;
51     SkBool8     fDoFill;
52 
53     friend class SkPaint;
54 };
55 
56 #endif
57