reed@google.com | 4aa1a70 | 2012-05-04 16:37:45 +0000 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2011 Google Inc. |
| 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 | #include "SkBenchmark.h" |
| 9 | #include "SkBitmap.h" |
| 10 | #include "SkCanvas.h" |
| 11 | #include "SkDashPathEffect.h" |
| 12 | #include "SkPaint.h" |
| 13 | #include "SkPath.h" |
| 14 | #include "SkRandom.h" |
| 15 | #include "SkString.h" |
| 16 | #include "SkTDArray.h" |
| 17 | |
reed@google.com | ef85e3c | 2012-05-10 15:40:57 +0000 | [diff] [blame] | 18 | |
reed@google.com | 4aa1a70 | 2012-05-04 16:37:45 +0000 | [diff] [blame] | 19 | /* |
| 20 | * Cases to consider: |
| 21 | * |
| 22 | * 1. antialiasing on/off (esp. width <= 1) |
| 23 | * 2. strokewidth == 0, 1, 2 |
| 24 | * 3. hline, vline, diagonal, rect, oval |
| 25 | * 4. dots [1,1] ([N,N] where N=strokeWidth?) or arbitrary (e.g. [2,1] or [1,2,3,2]) |
| 26 | */ |
| 27 | static void path_hline(SkPath* path) { |
| 28 | path->moveTo(SkIntToScalar(10), SkIntToScalar(10)); |
| 29 | path->lineTo(SkIntToScalar(600), SkIntToScalar(10)); |
| 30 | } |
| 31 | |
| 32 | class DashBench : public SkBenchmark { |
reed@google.com | ef85e3c | 2012-05-10 15:40:57 +0000 | [diff] [blame] | 33 | protected: |
mike@reedtribe.org | 99a6ef4 | 2012-05-05 13:46:10 +0000 | [diff] [blame] | 34 | SkString fName; |
reed@google.com | 4aa1a70 | 2012-05-04 16:37:45 +0000 | [diff] [blame] | 35 | SkTDArray<SkScalar> fIntervals; |
mike@reedtribe.org | 99a6ef4 | 2012-05-05 13:46:10 +0000 | [diff] [blame] | 36 | int fWidth; |
reed@google.com | 4ad2275 | 2012-05-15 19:50:58 +0000 | [diff] [blame^] | 37 | bool fDoClip; |
reed@google.com | 4aa1a70 | 2012-05-04 16:37:45 +0000 | [diff] [blame] | 38 | |
| 39 | enum { |
| 40 | N = SkBENCHLOOP(100) |
| 41 | }; |
| 42 | public: |
reed@google.com | 4ad2275 | 2012-05-15 19:50:58 +0000 | [diff] [blame^] | 43 | DashBench(void* param, const SkScalar intervals[], int count, int width, |
| 44 | bool doClip = false) : INHERITED(param) { |
reed@google.com | 4aa1a70 | 2012-05-04 16:37:45 +0000 | [diff] [blame] | 45 | fIntervals.append(count, intervals); |
mike@reedtribe.org | 99a6ef4 | 2012-05-05 13:46:10 +0000 | [diff] [blame] | 46 | for (int i = 0; i < count; ++i) { |
| 47 | fIntervals[i] *= width; |
| 48 | } |
| 49 | fWidth = width; |
reed@google.com | 4ad2275 | 2012-05-15 19:50:58 +0000 | [diff] [blame^] | 50 | fName.printf("dash_%d_%s", width, doClip ? "clipped" : "noclip"); |
| 51 | fDoClip = doClip; |
reed@google.com | 4aa1a70 | 2012-05-04 16:37:45 +0000 | [diff] [blame] | 52 | } |
| 53 | |
| 54 | virtual void makePath(SkPath* path) { |
| 55 | path_hline(path); |
| 56 | } |
| 57 | |
| 58 | protected: |
| 59 | virtual const char* onGetName() SK_OVERRIDE { |
mike@reedtribe.org | 99a6ef4 | 2012-05-05 13:46:10 +0000 | [diff] [blame] | 60 | return fName.c_str(); |
reed@google.com | 4aa1a70 | 2012-05-04 16:37:45 +0000 | [diff] [blame] | 61 | } |
| 62 | |
| 63 | virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { |
| 64 | SkPaint paint; |
| 65 | this->setupPaint(&paint); |
| 66 | paint.setStyle(SkPaint::kStroke_Style); |
mike@reedtribe.org | 99a6ef4 | 2012-05-05 13:46:10 +0000 | [diff] [blame] | 67 | paint.setStrokeWidth(SkIntToScalar(fWidth)); |
reed@google.com | 4aa1a70 | 2012-05-04 16:37:45 +0000 | [diff] [blame] | 68 | paint.setAntiAlias(false); |
| 69 | |
| 70 | SkPath path; |
| 71 | this->makePath(&path); |
| 72 | |
| 73 | paint.setPathEffect(new SkDashPathEffect(fIntervals.begin(), |
| 74 | fIntervals.count(), 0))->unref(); |
reed@google.com | 4ad2275 | 2012-05-15 19:50:58 +0000 | [diff] [blame^] | 75 | |
| 76 | if (fDoClip) { |
| 77 | SkRect r = path.getBounds(); |
| 78 | r.inset(-SkIntToScalar(20), -SkIntToScalar(20)); |
| 79 | // now move it so we don't intersect |
| 80 | r.offset(0, r.height() * 3 / 2); |
| 81 | canvas->clipRect(r); |
| 82 | } |
| 83 | |
reed@google.com | ef85e3c | 2012-05-10 15:40:57 +0000 | [diff] [blame] | 84 | this->handlePath(canvas, path, paint, N); |
| 85 | } |
| 86 | |
| 87 | virtual void handlePath(SkCanvas* canvas, const SkPath& path, |
| 88 | const SkPaint& paint, int N) { |
reed@google.com | 4aa1a70 | 2012-05-04 16:37:45 +0000 | [diff] [blame] | 89 | for (int i = 0; i < N; ++i) { |
| 90 | canvas->drawPath(path, paint); |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | private: |
| 95 | typedef SkBenchmark INHERITED; |
| 96 | }; |
| 97 | |
reed@google.com | ef85e3c | 2012-05-10 15:40:57 +0000 | [diff] [blame] | 98 | class RectDashBench : public DashBench { |
| 99 | public: |
reed@google.com | 4ad2275 | 2012-05-15 19:50:58 +0000 | [diff] [blame^] | 100 | RectDashBench(void* param, const SkScalar intervals[], int count, int width, bool doClip = false) |
reed@google.com | ef85e3c | 2012-05-10 15:40:57 +0000 | [diff] [blame] | 101 | : INHERITED(param, intervals, count, width) { |
| 102 | fName.append("_rect"); |
| 103 | } |
| 104 | |
| 105 | protected: |
| 106 | virtual void handlePath(SkCanvas* canvas, const SkPath& path, |
| 107 | const SkPaint& paint, int N) SK_OVERRIDE { |
| 108 | SkPoint pts[2]; |
| 109 | if (!path.isLine(pts) || pts[0].fY != pts[1].fY) { |
| 110 | this->INHERITED::handlePath(canvas, path, paint, N); |
| 111 | } else { |
| 112 | SkRect rect; |
| 113 | rect.fLeft = pts[0].fX; |
| 114 | rect.fTop = pts[0].fY - paint.getStrokeWidth() / 2; |
| 115 | rect.fRight = rect.fLeft + SkIntToScalar(fWidth); |
| 116 | rect.fBottom = rect.fTop + paint.getStrokeWidth(); |
| 117 | |
| 118 | SkPaint p(paint); |
| 119 | p.setStyle(SkPaint::kFill_Style); |
| 120 | p.setPathEffect(NULL); |
| 121 | |
| 122 | int count = SkScalarRoundToInt((pts[1].fX - pts[0].fX) / (2*fWidth)); |
| 123 | SkScalar dx = SkIntToScalar(2 * fWidth); |
| 124 | |
| 125 | for (int i = 0; i < N*10; ++i) { |
| 126 | SkRect r = rect; |
| 127 | for (int j = 0; j < count; ++j) { |
| 128 | canvas->drawRect(r, p); |
| 129 | r.offset(dx, 0); |
| 130 | } |
| 131 | } |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | private: |
| 136 | typedef DashBench INHERITED; |
| 137 | }; |
| 138 | |
reed@google.com | 4aa1a70 | 2012-05-04 16:37:45 +0000 | [diff] [blame] | 139 | /////////////////////////////////////////////////////////////////////////////// |
| 140 | |
| 141 | static const SkScalar gDots[] = { SK_Scalar1, SK_Scalar1 }; |
| 142 | |
| 143 | #define PARAM(array) array, SK_ARRAY_COUNT(array) |
| 144 | |
mike@reedtribe.org | 99a6ef4 | 2012-05-05 13:46:10 +0000 | [diff] [blame] | 145 | static SkBenchmark* gF0(void* p) { return new DashBench(p, PARAM(gDots), 0); } |
| 146 | static SkBenchmark* gF1(void* p) { return new DashBench(p, PARAM(gDots), 1); } |
reed@google.com | 4ad2275 | 2012-05-15 19:50:58 +0000 | [diff] [blame^] | 147 | static SkBenchmark* gF2(void* p) { return new DashBench(p, PARAM(gDots), 1, true); } |
| 148 | static SkBenchmark* gF3(void* p) { return new DashBench(p, PARAM(gDots), 4); } |
| 149 | static SkBenchmark* gF4(void* p) { return new RectDashBench(p, PARAM(gDots), 4); } |
reed@google.com | 4aa1a70 | 2012-05-04 16:37:45 +0000 | [diff] [blame] | 150 | |
| 151 | static BenchRegistry gR0(gF0); |
mike@reedtribe.org | 99a6ef4 | 2012-05-05 13:46:10 +0000 | [diff] [blame] | 152 | static BenchRegistry gR1(gF1); |
| 153 | static BenchRegistry gR2(gF2); |
reed@google.com | ef85e3c | 2012-05-10 15:40:57 +0000 | [diff] [blame] | 154 | static BenchRegistry gR3(gF3); |
reed@google.com | 4ad2275 | 2012-05-15 19:50:58 +0000 | [diff] [blame^] | 155 | static BenchRegistry gR4(gF4); |