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1 /* | |
2 * Copyright 2013 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 "SkBicubicImageFilter.h" | |
10 #include "SkCanvas.h" | |
11 #include "SkShader.h" | |
12 #include "SkString.h" | |
13 | |
14 // This bench exercises SkBicubicImageFilter, upsampling a 40x40 input to | |
15 // 100x100, 400x100, 100x400, and 400x400. | |
16 | |
17 class BicubicBench : public Benchmark { | |
18 SkSize fScale; | |
19 SkString fName; | |
20 | |
21 public: | |
22 BicubicBench(float x, float y) | |
23 : fScale(SkSize::Make(x, y)) { | |
24 fName.printf("bicubic_%gx%g", | |
25 SkScalarToFloat(fScale.fWidth), SkScalarToFloat(fScale.fHei
ght)); | |
26 } | |
27 | |
28 protected: | |
29 virtual const char* onGetName() { | |
30 return fName.c_str(); | |
31 } | |
32 | |
33 virtual void onDraw(const int loops, SkCanvas* canvas) { | |
34 SkPaint paint; | |
35 this->setupPaint(&paint); | |
36 | |
37 paint.setAntiAlias(true); | |
38 | |
39 SkRect r = SkRect::MakeWH(40, 40); | |
40 SkAutoTUnref<SkImageFilter> bicubic(SkBicubicImageFilter::CreateMitchell
(fScale)); | |
41 paint.setImageFilter(bicubic); | |
42 | |
43 for (int i = 0; i < loops; i++) { | |
44 canvas->save(); | |
45 canvas->clipRect(r); | |
46 canvas->drawOval(r, paint); | |
47 canvas->restore(); | |
48 } | |
49 } | |
50 | |
51 private: | |
52 typedef Benchmark INHERITED; | |
53 }; | |
54 | |
55 DEF_BENCH( return new BicubicBench(10.0f, 10.0f); ) | |
56 DEF_BENCH( return new BicubicBench(2.5f, 10.0f); ) | |
57 DEF_BENCH( return new BicubicBench(10.0f, 2.5f); ) | |
58 DEF_BENCH( return new BicubicBench(2.5f, 2.5f); ) | |
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