1
2/*
3 * Copyright 2006 The Android Open Source Project
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10#ifndef SkStroke_DEFINED
11#define SkStroke_DEFINED
12
13#include "SkPoint.h"
14#include "SkPaint.h"
15
16struct SkRect;
17class SkPath;
18
19/** \class SkStroke
20    SkStroke is the utility class that constructs paths by stroking
21    geometries (lines, rects, ovals, roundrects, paths). This is
22    invoked when a geometry or text is drawn in a canvas with the
23    kStroke_Mask bit set in the paint.
24*/
25class SkStroke {
26public:
27    SkStroke();
28    SkStroke(const SkPaint&);
29    SkStroke(const SkPaint&, SkScalar width);   // width overrides paint.getStrokeWidth()
30
31    SkPaint::Cap    getCap() const { return (SkPaint::Cap)fCap; }
32    void        setCap(SkPaint::Cap);
33
34    SkPaint::Join   getJoin() const { return (SkPaint::Join)fJoin; }
35    void        setJoin(SkPaint::Join);
36
37    void    setMiterLimit(SkScalar);
38    void    setWidth(SkScalar);
39
40    bool    getDoFill() const { return SkToBool(fDoFill); }
41    void    setDoFill(bool doFill) { fDoFill = SkToU8(doFill); }
42
43    void    strokeLine(const SkPoint& start, const SkPoint& end, SkPath*) const;
44    void    strokeRect(const SkRect& rect, SkPath*) const;
45    void    strokeOval(const SkRect& oval, SkPath*) const;
46    void    strokeRRect(const SkRect& rect, SkScalar rx, SkScalar ry, SkPath*) const;
47    void    strokePath(const SkPath& path, SkPath*) const;
48
49    ////////////////////////////////////////////////////////////////
50
51private:
52    SkScalar    fWidth, fMiterLimit;
53    uint8_t     fCap, fJoin;
54    SkBool8     fDoFill;
55
56    friend class SkPaint;
57};
58
59#endif
60
61