1/*
2 * Copyright 2014 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#include "Benchmark.h"
9#include "SkCanvas.h"
10#include "SkPaint.h"
11#include "SkPath.h"
12#include "SkString.h"
13
14struct BezierRec {
15    SkCanvas*   fCanvas;
16    SkPaint     fPaint;
17    SkPath      fQuad;
18    SkPath      fCubic;
19};
20
21typedef const char* (*DrawProc)(const BezierRec*, int);
22
23static const char* draw_quad(const BezierRec* rec, int count) {
24    if (rec) {
25        SkCanvas* canvas = rec->fCanvas;
26        const SkPaint& paint = rec->fPaint;
27        const SkPath& path = rec->fQuad;
28        for (int i = 0; i < count; ++i) {
29            canvas->drawPath(path, paint);
30        }
31    }
32    return "quad";
33}
34
35static const char* draw_cubic(const BezierRec* rec, int count) {
36    if (rec) {
37        SkCanvas* canvas = rec->fCanvas;
38        const SkPaint& paint = rec->fPaint;
39        const SkPath& path = rec->fCubic;
40        for (int i = 0; i < count; ++i) {
41            canvas->drawPath(path, paint);
42        }
43    }
44    return "cubic";
45}
46
47class BezierBench : public Benchmark {
48    SkString fName;
49    SkPaint::Cap fCap;
50    SkPaint::Join fJoin;
51    BezierRec fRec;
52    DrawProc fProc;
53    SkScalar fWidth;
54public:
55    BezierBench(SkPaint::Cap c, SkPaint::Join j, SkScalar w, DrawProc proc) {
56        static const char* gCapName[] = {
57            "butt", "round", "square"
58        };
59        static const char* gJoinName[] = {
60            "miter", "round", "bevel"
61        };
62
63        fCap = c;
64        fJoin = j;
65        fProc = proc;
66        fWidth = SkIntToScalar(w);
67        fName.printf("draw_stroke_bezier_%s_%s_%s_%g", proc(nullptr, 0), gCapName[c], gJoinName[j], w);
68
69        fRec.fQuad.moveTo(20, 20);
70        fRec.fQuad.quadTo(60, 20, 60, 60);
71        fRec.fQuad.quadTo(20, 60, 20, 100);
72        fRec.fCubic.moveTo(20, 20);
73        fRec.fCubic.cubicTo(40, 20, 60, 40, 60, 60);
74        fRec.fCubic.cubicTo(40, 60, 20, 80, 20, 100);
75    }
76
77protected:
78    virtual const char* onGetName() {
79        return fName.c_str();
80    }
81
82    virtual void onDraw(int loops, SkCanvas* canvas) {
83        fRec.fCanvas = canvas;
84        this->setupPaint(&fRec.fPaint);
85        fRec.fPaint.setStyle(SkPaint::kStroke_Style);
86        fRec.fPaint.setStrokeCap(fCap);
87        fRec.fPaint.setStrokeJoin(fJoin);
88        fRec.fPaint.setStrokeWidth(fWidth);
89        fProc(&fRec, loops);
90    }
91
92private:
93    typedef Benchmark INHERITED;
94};
95
96DEF_BENCH( return new BezierBench(SkPaint::kButt_Cap, SkPaint::kRound_Join, 2, draw_quad); )
97DEF_BENCH( return new BezierBench(SkPaint::kSquare_Cap, SkPaint::kBevel_Join, 10, draw_quad); )
98DEF_BENCH( return new BezierBench(SkPaint::kRound_Cap, SkPaint::kMiter_Join, 50, draw_quad); )
99
100DEF_BENCH( return new BezierBench(SkPaint::kButt_Cap, SkPaint::kRound_Join, 2, draw_cubic); )
101DEF_BENCH( return new BezierBench(SkPaint::kSquare_Cap, SkPaint::kBevel_Join, 10, draw_cubic); )
102DEF_BENCH( return new BezierBench(SkPaint::kRound_Cap, SkPaint::kMiter_Join, 50, draw_cubic); )
103