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 #include "Benchmark.h"
9 #include "SkBitmap.h"
10 #include "SkCanvas.h"
11 #include "SkColorPriv.h"
12 #include "SkPaint.h"
13 #include "SkRandom.h"
14 #include "SkShader.h"
15 #include "SkString.h"
16 #include "SkTArray.h"
17 
18 
19 class LineBench : public Benchmark {
20     SkScalar    fStrokeWidth;
21     bool        fDoAA;
22     SkString    fName;
23     enum {
24         PTS = 500,
25     };
26     SkPoint fPts[PTS];
27 
28 public:
29     LineBench(SkScalar width, bool doAA)  {
30         fStrokeWidth = width;
31         fDoAA = doAA;
32         fName.printf("lines_%g_%s", width, doAA ? "AA" : "BW");
33 
34         SkRandom rand;
35         for (int i = 0; i < PTS; ++i) {
36             fPts[i].set(rand.nextUScalar1() * 640, rand.nextUScalar1() * 480);
37         }
38     }
39 
40 protected:
41     const char* onGetName() override {
42         return fName.c_str();
43     }
44 
45     void onDraw(int loops, SkCanvas* canvas) override {
46         SkPaint paint;
47         this->setupPaint(&paint);
48 
49         paint.setStyle(SkPaint::kStroke_Style);
50         paint.setAntiAlias(fDoAA);
51         paint.setStrokeWidth(fStrokeWidth);
52 
53         for (int i = 0; i < loops; i++) {
54             canvas->drawPoints(SkCanvas::kLines_PointMode, PTS, fPts, paint);
55         }
56     }
57 
58 private:
59     typedef Benchmark INHERITED;
60 };
61 
62 DEF_BENCH(return new LineBench(0,            false);)
63 DEF_BENCH(return new LineBench(SK_Scalar1,   false);)
64 DEF_BENCH(return new LineBench(0,            true);)
65 DEF_BENCH(return new LineBench(SK_Scalar1/2, true);)
66 DEF_BENCH(return new LineBench(SK_Scalar1,   true);)
67