GrPath.h revision 8f827fe44aad3c93638bc0f5dec32812c9ba2c98 
1/*
2 * Copyright 2012 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 GrPath_DEFINED
9#define GrPath_DEFINED
10
11#include "GrGpuResource.h"
12#include "SkPath.h"
13#include "SkRect.h"
14#include "SkStrokeRec.h"
15
16class GrPath : public GrGpuResource {
17public:
18    SK_DECLARE_INST_COUNT(GrPath);
19
20    /**
21     * Initialize to a path with a fixed stroke. Stroke must not be hairline.
22     */
23    GrPath(GrGpu* gpu, const SkPath& skPath, const SkStrokeRec& stroke)
24        : INHERITED(gpu, kCached_LifeCycle),
25          fSkPath(skPath),
26          fStroke(stroke),
27          fBounds(skPath.getBounds()) {
28    }
29
30    static void ComputeKey(const SkPath& path, const SkStrokeRec& stroke, GrUniqueKey* key);
31    static uint64_t ComputeStrokeKey(const SkStrokeRec&);
32
33    bool isEqualTo(const SkPath& path, const SkStrokeRec& stroke) {
34        return fSkPath == path && fStroke.hasEqualEffect(stroke);
35    }
36
37    const SkRect& getBounds() const { return fBounds; }
38
39    const SkStrokeRec& getStroke() const { return fStroke; }
40
41protected:
42    SkPath fSkPath;
43    SkStrokeRec fStroke;
44    SkRect fBounds;
45
46private:
47    typedef GrGpuResource INHERITED;
48};
49
50#endif
51