bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2011 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 | */ |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 7 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 8 | #include "gm/gm.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 9 | #include "include/core/SkCanvas.h" |
| 10 | #include "include/core/SkColor.h" |
| 11 | #include "include/core/SkMatrix.h" |
| 12 | #include "include/core/SkPaint.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 13 | #include "include/core/SkPath.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 14 | #include "include/core/SkRect.h" |
| 15 | #include "include/core/SkScalar.h" |
| 16 | #include "include/core/SkSize.h" |
| 17 | #include "include/core/SkString.h" |
| 18 | #include "include/core/SkTypes.h" |
| 19 | #include "include/private/SkNoncopyable.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 20 | #include "include/private/SkTArray.h" |
| 21 | #include "include/utils/SkRandom.h" |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 22 | |
Hal Canary | bd865e2 | 2019-07-18 11:51:19 -0400 | [diff] [blame] | 23 | namespace { |
| 24 | |
commit-bot@chromium.org | 2ab1ba0 | 2014-01-17 17:55:02 +0000 | [diff] [blame] | 25 | class SkDoOnce : SkNoncopyable { |
reed@google.com | d42e3f6 | 2012-03-30 20:04:21 +0000 | [diff] [blame] | 26 | public: |
commit-bot@chromium.org | 2ab1ba0 | 2014-01-17 17:55:02 +0000 | [diff] [blame] | 27 | SkDoOnce() { fDidOnce = false; } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 28 | |
reed@google.com | d42e3f6 | 2012-03-30 20:04:21 +0000 | [diff] [blame] | 29 | bool needToDo() const { return !fDidOnce; } |
| 30 | bool alreadyDone() const { return fDidOnce; } |
| 31 | void accomplished() { |
| 32 | SkASSERT(!fDidOnce); |
| 33 | fDidOnce = true; |
| 34 | } |
| 35 | |
| 36 | private: |
| 37 | bool fDidOnce; |
| 38 | }; |
| 39 | |
Hal Canary | bd865e2 | 2019-07-18 11:51:19 -0400 | [diff] [blame] | 40 | class ConvexPathsGM : public skiagm::GM { |
commit-bot@chromium.org | 2ab1ba0 | 2014-01-17 17:55:02 +0000 | [diff] [blame] | 41 | SkDoOnce fOnce; |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 42 | |
Hal Canary | bd865e2 | 2019-07-18 11:51:19 -0400 | [diff] [blame] | 43 | void onOnceBeforeDraw() override { this->setBGColor(0xFF000000); } |
commit-bot@chromium.org | a90c680 | 2014-04-30 13:20:45 +0000 | [diff] [blame] | 44 | |
Hal Canary | bd865e2 | 2019-07-18 11:51:19 -0400 | [diff] [blame] | 45 | SkString onShortName() override { return SkString("convexpaths"); } |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 46 | |
| 47 | |
Hal Canary | bd865e2 | 2019-07-18 11:51:19 -0400 | [diff] [blame] | 48 | SkISize onISize() override { return {1200, 1100}; } |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 49 | |
| 50 | void makePaths() { |
reed@google.com | d42e3f6 | 2012-03-30 20:04:21 +0000 | [diff] [blame] | 51 | if (fOnce.alreadyDone()) { |
| 52 | return; |
| 53 | } |
| 54 | fOnce.accomplished(); |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 55 | |
bsalomon@google.com | 278dc69 | 2012-02-15 16:52:51 +0000 | [diff] [blame] | 56 | fPaths.push_back().moveTo(0, 0); |
| 57 | fPaths.back().quadTo(50 * SK_Scalar1, 100 * SK_Scalar1, |
| 58 | 0, 100 * SK_Scalar1); |
| 59 | fPaths.back().lineTo(0, 0); |
| 60 | |
bsalomon@google.com | 278dc69 | 2012-02-15 16:52:51 +0000 | [diff] [blame] | 61 | fPaths.push_back().moveTo(0, 50 * SK_Scalar1); |
| 62 | fPaths.back().quadTo(50 * SK_Scalar1, 0, |
| 63 | 100 * SK_Scalar1, 50 * SK_Scalar1); |
| 64 | fPaths.back().quadTo(50 * SK_Scalar1, 100 * SK_Scalar1, |
| 65 | 0, 50 * SK_Scalar1); |
| 66 | |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 67 | fPaths.push_back().addRect(0, 0, |
| 68 | 100 * SK_Scalar1, 100 * SK_Scalar1, |
Mike Reed | 30bc527 | 2019-11-22 18:34:02 +0000 | [diff] [blame] | 69 | SkPathDirection::kCW); |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 70 | |
| 71 | fPaths.push_back().addRect(0, 0, |
| 72 | 100 * SK_Scalar1, 100 * SK_Scalar1, |
Mike Reed | 30bc527 | 2019-11-22 18:34:02 +0000 | [diff] [blame] | 73 | SkPathDirection::kCCW); |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 74 | |
| 75 | fPaths.push_back().addCircle(50 * SK_Scalar1, 50 * SK_Scalar1, |
Mike Reed | 30bc527 | 2019-11-22 18:34:02 +0000 | [diff] [blame] | 76 | 50 * SK_Scalar1, SkPathDirection::kCW); |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 77 | |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 78 | |
| 79 | fPaths.push_back().addOval(SkRect::MakeXYWH(0, 0, |
| 80 | 50 * SK_Scalar1, |
| 81 | 100 * SK_Scalar1), |
Mike Reed | 30bc527 | 2019-11-22 18:34:02 +0000 | [diff] [blame] | 82 | SkPathDirection::kCW); |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 83 | |
| 84 | fPaths.push_back().addOval(SkRect::MakeXYWH(0, 0, |
| 85 | 100 * SK_Scalar1, |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 86 | 5 * SK_Scalar1), |
Mike Reed | 30bc527 | 2019-11-22 18:34:02 +0000 | [diff] [blame] | 87 | SkPathDirection::kCCW); |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 88 | |
| 89 | fPaths.push_back().addOval(SkRect::MakeXYWH(0, 0, |
| 90 | SK_Scalar1, |
| 91 | 100 * SK_Scalar1), |
Mike Reed | 30bc527 | 2019-11-22 18:34:02 +0000 | [diff] [blame] | 92 | SkPathDirection::kCCW); |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 93 | |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 94 | fPaths.push_back().addRoundRect(SkRect::MakeXYWH(0, 0, |
| 95 | SK_Scalar1 * 100, |
| 96 | SK_Scalar1 * 100), |
| 97 | 40 * SK_Scalar1, 20 * SK_Scalar1, |
Mike Reed | 30bc527 | 2019-11-22 18:34:02 +0000 | [diff] [blame] | 98 | SkPathDirection::kCW); |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 99 | |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 100 | // large number of points |
| 101 | enum { |
| 102 | kLength = 100, |
| 103 | kPtsPerSide = (1 << 12), |
| 104 | }; |
| 105 | fPaths.push_back().moveTo(0, 0); |
| 106 | for (int i = 1; i < kPtsPerSide; ++i) { // skip the first point due to moveTo. |
| 107 | fPaths.back().lineTo(kLength * SkIntToScalar(i) / kPtsPerSide, 0); |
| 108 | } |
| 109 | for (int i = 0; i < kPtsPerSide; ++i) { |
| 110 | fPaths.back().lineTo(kLength, kLength * SkIntToScalar(i) / kPtsPerSide); |
| 111 | } |
| 112 | for (int i = kPtsPerSide; i > 0; --i) { |
| 113 | fPaths.back().lineTo(kLength * SkIntToScalar(i) / kPtsPerSide, kLength); |
| 114 | } |
| 115 | for (int i = kPtsPerSide; i > 0; --i) { |
| 116 | fPaths.back().lineTo(0, kLength * SkIntToScalar(i) / kPtsPerSide); |
| 117 | } |
| 118 | |
bsalomon@google.com | 72b55be | 2012-01-26 20:33:19 +0000 | [diff] [blame] | 119 | // shallow diagonals |
| 120 | fPaths.push_back().lineTo(100 * SK_Scalar1, SK_Scalar1); |
| 121 | fPaths.back().lineTo(98 * SK_Scalar1, 100 * SK_Scalar1); |
| 122 | fPaths.back().lineTo(3 * SK_Scalar1, 96 * SK_Scalar1); |
bsalomon@google.com | 9732f62 | 2012-01-31 15:19:21 +0000 | [diff] [blame] | 123 | |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 124 | fPaths.push_back().arcTo(SkRect::MakeXYWH(0, 0, |
| 125 | 50 * SK_Scalar1, |
| 126 | 100 * SK_Scalar1), |
| 127 | 25 * SK_Scalar1, 130 * SK_Scalar1, false); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 128 | |
bsalomon@google.com | 72b55be | 2012-01-26 20:33:19 +0000 | [diff] [blame] | 129 | // cubics |
| 130 | fPaths.push_back().cubicTo( 1 * SK_Scalar1, 1 * SK_Scalar1, |
| 131 | 10 * SK_Scalar1, 90 * SK_Scalar1, |
| 132 | 0 * SK_Scalar1, 100 * SK_Scalar1); |
| 133 | fPaths.push_back().cubicTo(100 * SK_Scalar1, 50 * SK_Scalar1, |
| 134 | 20 * SK_Scalar1, 100 * SK_Scalar1, |
| 135 | 0 * SK_Scalar1, 0 * SK_Scalar1); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 136 | |
bsalomon@google.com | a51ab84 | 2012-07-10 19:53:34 +0000 | [diff] [blame] | 137 | // path that has a cubic with a repeated first control point and |
| 138 | // a repeated last control point. |
| 139 | fPaths.push_back().moveTo(SK_Scalar1 * 10, SK_Scalar1 * 10); |
| 140 | fPaths.back().cubicTo(10 * SK_Scalar1, 10 * SK_Scalar1, |
| 141 | 10 * SK_Scalar1, 0, |
| 142 | 20 * SK_Scalar1, 0); |
| 143 | fPaths.back().lineTo(40 * SK_Scalar1, 0); |
| 144 | fPaths.back().cubicTo(40 * SK_Scalar1, 0, |
| 145 | 50 * SK_Scalar1, 0, |
| 146 | 50 * SK_Scalar1, 10 * SK_Scalar1); |
| 147 | |
| 148 | // path that has two cubics with repeated middle control points. |
| 149 | fPaths.push_back().moveTo(SK_Scalar1 * 10, SK_Scalar1 * 10); |
| 150 | fPaths.back().cubicTo(10 * SK_Scalar1, 0, |
| 151 | 10 * SK_Scalar1, 0, |
| 152 | 20 * SK_Scalar1, 0); |
| 153 | fPaths.back().lineTo(40 * SK_Scalar1, 0); |
| 154 | fPaths.back().cubicTo(50 * SK_Scalar1, 0, |
| 155 | 50 * SK_Scalar1, 0, |
| 156 | 50 * SK_Scalar1, 10 * SK_Scalar1); |
| 157 | |
bsalomon@google.com | 54ad851 | 2012-08-02 14:55:45 +0000 | [diff] [blame] | 158 | // cubic where last three points are almost a line |
| 159 | fPaths.push_back().moveTo(0, 228 * SK_Scalar1 / 8); |
| 160 | fPaths.back().cubicTo(628 * SK_Scalar1 / 8, 82 * SK_Scalar1 / 8, |
| 161 | 1255 * SK_Scalar1 / 8, 141 * SK_Scalar1 / 8, |
| 162 | 1883 * SK_Scalar1 / 8, 202 * SK_Scalar1 / 8); |
| 163 | |
| 164 | // flat cubic where the at end point tangents both point outward. |
| 165 | fPaths.push_back().moveTo(10 * SK_Scalar1, 0); |
| 166 | fPaths.back().cubicTo(0, SK_Scalar1, |
| 167 | 30 * SK_Scalar1, SK_Scalar1, |
| 168 | 20 * SK_Scalar1, 0); |
| 169 | |
| 170 | // flat cubic where initial tangent is in, end tangent out |
| 171 | fPaths.push_back().moveTo(0, 0 * SK_Scalar1); |
| 172 | fPaths.back().cubicTo(10 * SK_Scalar1, SK_Scalar1, |
| 173 | 30 * SK_Scalar1, SK_Scalar1, |
| 174 | 20 * SK_Scalar1, 0); |
| 175 | |
| 176 | // flat cubic where initial tangent is out, end tangent in |
| 177 | fPaths.push_back().moveTo(10 * SK_Scalar1, 0); |
| 178 | fPaths.back().cubicTo(0, SK_Scalar1, |
| 179 | 20 * SK_Scalar1, SK_Scalar1, |
| 180 | 30 * SK_Scalar1, 0); |
| 181 | |
bsalomon@google.com | dc3c780 | 2012-01-31 20:46:32 +0000 | [diff] [blame] | 182 | // triangle where one edge is a degenerate quad |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 183 | fPaths.push_back().moveTo(8.59375f, 45 * SK_Scalar1); |
| 184 | fPaths.back().quadTo(16.9921875f, 45 * SK_Scalar1, |
| 185 | 31.25f, 45 * SK_Scalar1); |
bsalomon@google.com | dc3c780 | 2012-01-31 20:46:32 +0000 | [diff] [blame] | 186 | fPaths.back().lineTo(100 * SK_Scalar1, 100 * SK_Scalar1); |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 187 | fPaths.back().lineTo(8.59375f, 45 * SK_Scalar1); |
bsalomon@google.com | dc3c780 | 2012-01-31 20:46:32 +0000 | [diff] [blame] | 188 | |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 189 | // triangle where one edge is a quad with a repeated point |
| 190 | fPaths.push_back().moveTo(0, 25 * SK_Scalar1); |
| 191 | fPaths.back().lineTo(50 * SK_Scalar1, 0); |
| 192 | fPaths.back().quadTo(50 * SK_Scalar1, 50 * SK_Scalar1, 50 * SK_Scalar1, 50 * SK_Scalar1); |
| 193 | |
| 194 | // triangle where one edge is a cubic with a 2x repeated point |
| 195 | fPaths.push_back().moveTo(0, 25 * SK_Scalar1); |
| 196 | fPaths.back().lineTo(50 * SK_Scalar1, 0); |
| 197 | fPaths.back().cubicTo(50 * SK_Scalar1, 0, |
| 198 | 50 * SK_Scalar1, 50 * SK_Scalar1, |
| 199 | 50 * SK_Scalar1, 50 * SK_Scalar1); |
| 200 | |
| 201 | // triangle where one edge is a quad with a nearly repeated point |
| 202 | fPaths.push_back().moveTo(0, 25 * SK_Scalar1); |
| 203 | fPaths.back().lineTo(50 * SK_Scalar1, 0); |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 204 | fPaths.back().quadTo(50 * SK_Scalar1, 49.95f, |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 205 | 50 * SK_Scalar1, 50 * SK_Scalar1); |
| 206 | |
| 207 | // triangle where one edge is a cubic with a 3x nearly repeated point |
| 208 | fPaths.push_back().moveTo(0, 25 * SK_Scalar1); |
| 209 | fPaths.back().lineTo(50 * SK_Scalar1, 0); |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 210 | fPaths.back().cubicTo(50 * SK_Scalar1, 49.95f, |
| 211 | 50 * SK_Scalar1, 49.97f, |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 212 | 50 * SK_Scalar1, 50 * SK_Scalar1); |
| 213 | |
| 214 | // triangle where there is a point degenerate cubic at one corner |
| 215 | fPaths.push_back().moveTo(0, 25 * SK_Scalar1); |
| 216 | fPaths.back().lineTo(50 * SK_Scalar1, 0); |
| 217 | fPaths.back().lineTo(50 * SK_Scalar1, 50 * SK_Scalar1); |
| 218 | fPaths.back().cubicTo(50 * SK_Scalar1, 50 * SK_Scalar1, |
| 219 | 50 * SK_Scalar1, 50 * SK_Scalar1, |
| 220 | 50 * SK_Scalar1, 50 * SK_Scalar1); |
| 221 | |
| 222 | // point line |
bsalomon@google.com | 5cc90d1 | 2012-01-17 16:28:34 +0000 | [diff] [blame] | 223 | fPaths.push_back().moveTo(50 * SK_Scalar1, 50 * SK_Scalar1); |
| 224 | fPaths.back().lineTo(50 * SK_Scalar1, 50 * SK_Scalar1); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 225 | |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 226 | // point quad |
bsalomon@google.com | 5cc90d1 | 2012-01-17 16:28:34 +0000 | [diff] [blame] | 227 | fPaths.push_back().moveTo(50 * SK_Scalar1, 50 * SK_Scalar1); |
| 228 | fPaths.back().quadTo(50 * SK_Scalar1, 50 * SK_Scalar1, |
| 229 | 50 * SK_Scalar1, 50 * SK_Scalar1); |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 230 | |
| 231 | // point cubic |
bsalomon@google.com | 5cc90d1 | 2012-01-17 16:28:34 +0000 | [diff] [blame] | 232 | fPaths.push_back().moveTo(50 * SK_Scalar1, 50 * SK_Scalar1); |
| 233 | fPaths.back().cubicTo(50 * SK_Scalar1, 50 * SK_Scalar1, |
| 234 | 50 * SK_Scalar1, 50 * SK_Scalar1, |
| 235 | 50 * SK_Scalar1, 50 * SK_Scalar1); |
bsalomon@google.com | dc3c780 | 2012-01-31 20:46:32 +0000 | [diff] [blame] | 236 | |
bsalomon@google.com | 9732f62 | 2012-01-31 15:19:21 +0000 | [diff] [blame] | 237 | // moveTo only paths |
| 238 | fPaths.push_back().moveTo(0, 0); |
| 239 | fPaths.back().moveTo(0, 0); |
| 240 | fPaths.back().moveTo(SK_Scalar1, SK_Scalar1); |
| 241 | fPaths.back().moveTo(SK_Scalar1, SK_Scalar1); |
| 242 | fPaths.back().moveTo(10 * SK_Scalar1, 10 * SK_Scalar1); |
| 243 | |
| 244 | fPaths.push_back().moveTo(0, 0); |
| 245 | fPaths.back().moveTo(0, 0); |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 246 | |
| 247 | // line degenerate |
| 248 | fPaths.push_back().lineTo(100 * SK_Scalar1, 100 * SK_Scalar1); |
| 249 | fPaths.push_back().quadTo(100 * SK_Scalar1, 100 * SK_Scalar1, 0, 0); |
| 250 | fPaths.push_back().quadTo(100 * SK_Scalar1, 100 * SK_Scalar1, |
| 251 | 50 * SK_Scalar1, 50 * SK_Scalar1); |
| 252 | fPaths.push_back().quadTo(50 * SK_Scalar1, 50 * SK_Scalar1, |
| 253 | 100 * SK_Scalar1, 100 * SK_Scalar1); |
| 254 | fPaths.push_back().cubicTo(0, 0, |
| 255 | 0, 0, |
| 256 | 100 * SK_Scalar1, 100 * SK_Scalar1); |
bsalomon@google.com | 5b56d9e | 2012-02-23 19:18:37 +0000 | [diff] [blame] | 257 | |
Brian Salomon | 73c6c9d | 2019-03-29 15:41:27 -0400 | [diff] [blame] | 258 | // skbug.com/8928 |
| 259 | fPaths.push_back().moveTo(16.875f, 192.594f); |
| 260 | fPaths.back().cubicTo(45.625f, 192.594f, 74.375f, 192.594f, 103.125f, 192.594f); |
| 261 | fPaths.back().cubicTo(88.75f, 167.708f, 74.375f, 142.823f, 60, 117.938f); |
| 262 | fPaths.back().cubicTo(45.625f, 142.823f, 31.25f, 167.708f, 16.875f, 192.594f); |
| 263 | fPaths.back().close(); |
| 264 | SkMatrix m; |
| 265 | m.setAll(0.1f, 0, -1, 0, 0.115207f, -2.64977f, 0, 0, 1); |
| 266 | fPaths.back().transform(m); |
| 267 | |
bsalomon@google.com | 5b56d9e | 2012-02-23 19:18:37 +0000 | [diff] [blame] | 268 | // small circle. This is listed last so that it has device coords far |
| 269 | // from the origin (small area relative to x,y values). |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 270 | fPaths.push_back().addCircle(0, 0, 1.2f); |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 271 | } |
| 272 | |
Hal Canary | bd865e2 | 2019-07-18 11:51:19 -0400 | [diff] [blame] | 273 | void onDraw(SkCanvas* canvas) override { |
reed@google.com | d42e3f6 | 2012-03-30 20:04:21 +0000 | [diff] [blame] | 274 | this->makePaths(); |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 275 | |
Jim Van Verth | f9e678d | 2017-02-15 15:46:52 -0500 | [diff] [blame] | 276 | SkPaint paint; |
| 277 | paint.setAntiAlias(true); |
| 278 | SkRandom rand; |
| 279 | canvas->translate(20 * SK_Scalar1, 20 * SK_Scalar1); |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 280 | |
Jim Van Verth | f9e678d | 2017-02-15 15:46:52 -0500 | [diff] [blame] | 281 | // As we've added more paths this has gotten pretty big. Scale the whole thing down. |
| 282 | canvas->scale(2 * SK_Scalar1 / 3, 2 * SK_Scalar1 / 3); |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 283 | |
Jim Van Verth | f9e678d | 2017-02-15 15:46:52 -0500 | [diff] [blame] | 284 | for (int i = 0; i < fPaths.count(); ++i) { |
| 285 | canvas->save(); |
| 286 | // position the path, and make it at off-integer coords. |
| 287 | canvas->translate(SK_Scalar1 * 200 * (i % 5) + SK_Scalar1 / 10, |
| 288 | SK_Scalar1 * 200 * (i / 5) + 9 * SK_Scalar1 / 10); |
| 289 | SkColor color = rand.nextU(); |
| 290 | color |= 0xff000000; |
| 291 | paint.setColor(color); |
| 292 | #if 0 // This hitting on 32bit Linux builds for some paths. Temporarily disabling while it is |
| 293 | // debugged. |
| 294 | SkASSERT(fPaths[i].isConvex()); |
bsalomon@google.com | 44d662b | 2013-08-15 20:34:45 +0000 | [diff] [blame] | 295 | #endif |
Jim Van Verth | f9e678d | 2017-02-15 15:46:52 -0500 | [diff] [blame] | 296 | canvas->drawPath(fPaths[i], paint); |
| 297 | canvas->restore(); |
| 298 | } |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 299 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 300 | |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 301 | SkTArray<SkPath> fPaths; |
| 302 | }; |
Hal Canary | bd865e2 | 2019-07-18 11:51:19 -0400 | [diff] [blame] | 303 | } // namespace |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 304 | |
Hal Canary | e964c18 | 2019-01-23 10:22:01 -0500 | [diff] [blame] | 305 | DEF_GM( return new ConvexPathsGM; ) |