commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2013 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 | |
| 9 | #include "gm.h" |
| 10 | #include "SkTArray.h" |
| 11 | #include "SkRandom.h" |
| 12 | #include "SkMatrix.h" |
| 13 | #include "SkBlurMaskFilter.h" |
| 14 | #include "SkGradientShader.h" |
| 15 | #include "SkBlurDrawLooper.h" |
| 16 | #include "SkRect.h" |
| 17 | #include "SkRRect.h" |
| 18 | |
| 19 | namespace skiagm { |
| 20 | |
| 21 | class RoundRectGM : public GM { |
| 22 | public: |
| 23 | RoundRectGM() { |
| 24 | this->setBGColor(0xFF000000); |
| 25 | this->makePaints(); |
| 26 | this->makeMatrices(); |
| 27 | } |
| 28 | |
| 29 | protected: |
commit-bot@chromium.org | a90c680 | 2014-04-30 13:20:45 +0000 | [diff] [blame] | 30 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 31 | SkString onShortName() override { |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 32 | return SkString("roundrects"); |
| 33 | } |
| 34 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 35 | SkISize onISize() override { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 36 | return SkISize::Make(1200, 900); |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 37 | } |
| 38 | |
| 39 | void makePaints() { |
| 40 | { |
| 41 | // no AA |
| 42 | SkPaint p; |
| 43 | fPaints.push_back(p); |
| 44 | } |
| 45 | |
| 46 | { |
| 47 | // AA |
| 48 | SkPaint p; |
| 49 | p.setAntiAlias(true); |
| 50 | fPaints.push_back(p); |
| 51 | } |
| 52 | |
| 53 | { |
| 54 | // AA with stroke style |
| 55 | SkPaint p; |
| 56 | p.setAntiAlias(true); |
| 57 | p.setStyle(SkPaint::kStroke_Style); |
| 58 | p.setStrokeWidth(SkIntToScalar(5)); |
| 59 | fPaints.push_back(p); |
| 60 | } |
| 61 | |
| 62 | { |
| 63 | // AA with stroke style, width = 0 |
| 64 | SkPaint p; |
| 65 | p.setAntiAlias(true); |
| 66 | p.setStyle(SkPaint::kStroke_Style); |
| 67 | fPaints.push_back(p); |
| 68 | } |
| 69 | |
| 70 | { |
| 71 | // AA with stroke and fill style |
| 72 | SkPaint p; |
| 73 | p.setAntiAlias(true); |
| 74 | p.setStyle(SkPaint::kStrokeAndFill_Style); |
| 75 | p.setStrokeWidth(SkIntToScalar(3)); |
| 76 | fPaints.push_back(p); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | void makeMatrices() { |
| 81 | { |
| 82 | SkMatrix m; |
| 83 | m.setIdentity(); |
| 84 | fMatrices.push_back(m); |
| 85 | } |
| 86 | |
| 87 | { |
| 88 | SkMatrix m; |
| 89 | m.setScale(SkIntToScalar(3), SkIntToScalar(2)); |
| 90 | fMatrices.push_back(m); |
| 91 | } |
| 92 | |
| 93 | { |
| 94 | SkMatrix m; |
| 95 | m.setScale(SkIntToScalar(2), SkIntToScalar(2)); |
| 96 | fMatrices.push_back(m); |
| 97 | } |
| 98 | |
| 99 | { |
| 100 | SkMatrix m; |
| 101 | m.setScale(SkIntToScalar(1), SkIntToScalar(2)); |
| 102 | fMatrices.push_back(m); |
| 103 | } |
| 104 | |
| 105 | { |
| 106 | SkMatrix m; |
| 107 | m.setScale(SkIntToScalar(4), SkIntToScalar(1)); |
| 108 | fMatrices.push_back(m); |
| 109 | } |
| 110 | |
| 111 | { |
| 112 | SkMatrix m; |
| 113 | m.setRotate(SkIntToScalar(90)); |
| 114 | fMatrices.push_back(m); |
| 115 | } |
| 116 | |
| 117 | { |
| 118 | SkMatrix m; |
| 119 | m.setSkew(SkIntToScalar(2), SkIntToScalar(3)); |
| 120 | fMatrices.push_back(m); |
| 121 | } |
| 122 | |
| 123 | { |
| 124 | SkMatrix m; |
| 125 | m.setRotate(SkIntToScalar(60)); |
| 126 | fMatrices.push_back(m); |
| 127 | } |
| 128 | } |
| 129 | |
commit-bot@chromium.org | e0e7cfe | 2013-09-09 20:09:12 +0000 | [diff] [blame] | 130 | SkColor genColor(SkRandom* rand) { |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 131 | SkScalar hsv[3]; |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 132 | hsv[0] = rand->nextRangeF(0.0f, 360.0f); |
| 133 | hsv[1] = rand->nextRangeF(0.75f, 1.0f); |
| 134 | hsv[2] = rand->nextRangeF(0.75f, 1.0f); |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 135 | |
| 136 | return SkHSVToColor(hsv); |
| 137 | } |
| 138 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 139 | void onDraw(SkCanvas* canvas) override { |
commit-bot@chromium.org | e0e7cfe | 2013-09-09 20:09:12 +0000 | [diff] [blame] | 140 | SkRandom rand(1); |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 141 | canvas->translate(20 * SK_Scalar1, 20 * SK_Scalar1); |
| 142 | SkRect rect = SkRect::MakeLTRB(-20, -30, 20, 30); |
| 143 | SkRRect circleRect; |
| 144 | circleRect.setRectXY(rect, 5, 5); |
| 145 | |
| 146 | const SkScalar kXStart = 60.0f; |
| 147 | const SkScalar kYStart = 80.0f; |
| 148 | const int kXStep = 150; |
| 149 | const int kYStep = 160; |
| 150 | int maxX = fMatrices.count(); |
| 151 | |
| 152 | SkPaint rectPaint; |
| 153 | rectPaint.setAntiAlias(true); |
| 154 | rectPaint.setStyle(SkPaint::kStroke_Style); |
| 155 | rectPaint.setStrokeWidth(SkIntToScalar(0)); |
| 156 | rectPaint.setColor(SK_ColorLTGRAY); |
| 157 | |
| 158 | int testCount = 0; |
skia.committer@gmail.com | e36a168 | 2013-04-23 07:01:29 +0000 | [diff] [blame] | 159 | for (int i = 0; i < fPaints.count(); ++i) { |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 160 | for (int j = 0; j < fMatrices.count(); ++j) { |
| 161 | canvas->save(); |
| 162 | SkMatrix mat = fMatrices[j]; |
| 163 | // position the roundrect, and make it at off-integer coords. |
skia.committer@gmail.com | e36a168 | 2013-04-23 07:01:29 +0000 | [diff] [blame] | 164 | mat.postTranslate(kXStart + SK_Scalar1 * kXStep * (testCount % maxX) + |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 165 | SK_Scalar1 / 4, |
skia.committer@gmail.com | e36a168 | 2013-04-23 07:01:29 +0000 | [diff] [blame] | 166 | kYStart + SK_Scalar1 * kYStep * (testCount / maxX) + |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 167 | 3 * SK_Scalar1 / 4); |
| 168 | canvas->concat(mat); |
skia.committer@gmail.com | e36a168 | 2013-04-23 07:01:29 +0000 | [diff] [blame] | 169 | |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 170 | SkColor color = genColor(&rand); |
| 171 | fPaints[i].setColor(color); |
| 172 | |
| 173 | canvas->drawRect(rect, rectPaint); |
| 174 | canvas->drawRRect(circleRect, fPaints[i]); |
| 175 | |
| 176 | canvas->restore(); |
| 177 | |
| 178 | ++testCount; |
| 179 | } |
| 180 | } |
| 181 | |
| 182 | // special cases |
| 183 | |
| 184 | // non-scaled tall and skinny roundrect |
skia.committer@gmail.com | e36a168 | 2013-04-23 07:01:29 +0000 | [diff] [blame] | 185 | for (int i = 0; i < fPaints.count(); ++i) { |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 186 | SkRect rect = SkRect::MakeLTRB(-20, -60, 20, 60); |
| 187 | SkRRect ellipseRect; |
| 188 | ellipseRect.setRectXY(rect, 5, 10); |
| 189 | |
| 190 | canvas->save(); |
| 191 | // position the roundrect, and make it at off-integer coords. |
| 192 | canvas->translate(kXStart + SK_Scalar1 * kXStep * 2.55f + SK_Scalar1 / 4, |
| 193 | kYStart + SK_Scalar1 * kYStep * i + 3 * SK_Scalar1 / 4); |
skia.committer@gmail.com | e36a168 | 2013-04-23 07:01:29 +0000 | [diff] [blame] | 194 | |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 195 | SkColor color = genColor(&rand); |
| 196 | fPaints[i].setColor(color); |
| 197 | |
| 198 | canvas->drawRect(rect, rectPaint); |
| 199 | canvas->drawRRect(ellipseRect, fPaints[i]); |
| 200 | canvas->restore(); |
| 201 | } |
| 202 | |
| 203 | // non-scaled wide and short roundrect |
skia.committer@gmail.com | e36a168 | 2013-04-23 07:01:29 +0000 | [diff] [blame] | 204 | for (int i = 0; i < fPaints.count(); ++i) { |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 205 | SkRect rect = SkRect::MakeLTRB(-80, -30, 80, 30); |
| 206 | SkRRect ellipseRect; |
| 207 | ellipseRect.setRectXY(rect, 20, 5); |
| 208 | |
| 209 | canvas->save(); |
| 210 | // position the roundrect, and make it at off-integer coords. |
| 211 | canvas->translate(kXStart + SK_Scalar1 * kXStep * 4 + SK_Scalar1 / 4, |
| 212 | kYStart + SK_Scalar1 * kYStep * i + 3 * SK_Scalar1 / 4 + |
| 213 | SK_ScalarHalf * kYStep); |
skia.committer@gmail.com | e36a168 | 2013-04-23 07:01:29 +0000 | [diff] [blame] | 214 | |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 215 | SkColor color = genColor(&rand); |
| 216 | fPaints[i].setColor(color); |
| 217 | |
| 218 | canvas->drawRect(rect, rectPaint); |
| 219 | canvas->drawRRect(ellipseRect, fPaints[i]); |
| 220 | canvas->restore(); |
| 221 | } |
| 222 | |
| 223 | // super skinny roundrect |
skia.committer@gmail.com | e36a168 | 2013-04-23 07:01:29 +0000 | [diff] [blame] | 224 | for (int i = 0; i < fPaints.count(); ++i) { |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 225 | SkRect rect = SkRect::MakeLTRB(0, -60, 1, 60); |
| 226 | SkRRect circleRect; |
| 227 | circleRect.setRectXY(rect, 5, 5); |
| 228 | |
| 229 | canvas->save(); |
| 230 | // position the roundrect, and make it at off-integer coords. |
| 231 | canvas->translate(kXStart + SK_Scalar1 * kXStep * 3.25f + SK_Scalar1 / 4, |
| 232 | kYStart + SK_Scalar1 * kYStep * i + 3 * SK_Scalar1 / 4); |
skia.committer@gmail.com | e36a168 | 2013-04-23 07:01:29 +0000 | [diff] [blame] | 233 | |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 234 | SkColor color = genColor(&rand); |
| 235 | fPaints[i].setColor(color); |
| 236 | |
| 237 | canvas->drawRRect(circleRect, fPaints[i]); |
| 238 | canvas->restore(); |
| 239 | } |
| 240 | |
| 241 | // super short roundrect |
skia.committer@gmail.com | e36a168 | 2013-04-23 07:01:29 +0000 | [diff] [blame] | 242 | for (int i = 0; i < fPaints.count(); ++i) { |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 243 | SkRect rect = SkRect::MakeLTRB(-80, -1, 80, 0); |
| 244 | SkRRect circleRect; |
| 245 | circleRect.setRectXY(rect, 5, 5); |
| 246 | |
| 247 | canvas->save(); |
| 248 | // position the roundrect, and make it at off-integer coords. |
| 249 | canvas->translate(kXStart + SK_Scalar1 * kXStep * 2.5f + SK_Scalar1 / 4, |
| 250 | kYStart + SK_Scalar1 * kYStep * i + 3 * SK_Scalar1 / 4 + |
| 251 | SK_ScalarHalf * kYStep); |
skia.committer@gmail.com | e36a168 | 2013-04-23 07:01:29 +0000 | [diff] [blame] | 252 | |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 253 | SkColor color = genColor(&rand); |
| 254 | fPaints[i].setColor(color); |
| 255 | |
| 256 | canvas->drawRRect(circleRect, fPaints[i]); |
| 257 | canvas->restore(); |
| 258 | } |
skia.committer@gmail.com | e36a168 | 2013-04-23 07:01:29 +0000 | [diff] [blame] | 259 | |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 260 | // radial gradient |
| 261 | SkPoint center = SkPoint::Make(SkIntToScalar(0), SkIntToScalar(0)); |
| 262 | SkColor colors[] = { SK_ColorBLUE, SK_ColorRED, SK_ColorGREEN }; |
| 263 | SkScalar pos[] = { 0, SK_ScalarHalf, SK_Scalar1 }; |
| 264 | SkAutoTUnref<SkShader> shader(SkGradientShader::CreateRadial(center, |
| 265 | SkIntToScalar(20), |
| 266 | colors, |
| 267 | pos, |
| 268 | SK_ARRAY_COUNT(colors), |
| 269 | SkShader::kClamp_TileMode)); |
| 270 | |
| 271 | for (int i = 0; i < fPaints.count(); ++i) { |
| 272 | canvas->save(); |
| 273 | // position the path, and make it at off-integer coords. |
| 274 | canvas->translate(kXStart + SK_Scalar1 * kXStep * 0 + SK_Scalar1 / 4, |
| 275 | kYStart + SK_Scalar1 * kYStep * i + 3 * SK_Scalar1 / 4 + |
| 276 | SK_ScalarHalf * kYStep); |
skia.committer@gmail.com | e36a168 | 2013-04-23 07:01:29 +0000 | [diff] [blame] | 277 | |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 278 | SkColor color = genColor(&rand); |
| 279 | fPaints[i].setColor(color); |
| 280 | fPaints[i].setShader(shader); |
| 281 | |
| 282 | canvas->drawRect(rect, rectPaint); |
| 283 | canvas->drawRRect(circleRect, fPaints[i]); |
| 284 | |
| 285 | fPaints[i].setShader(NULL); |
| 286 | |
| 287 | canvas->restore(); |
| 288 | } |
| 289 | |
| 290 | // strokes and radii |
skia.committer@gmail.com | e36a168 | 2013-04-23 07:01:29 +0000 | [diff] [blame] | 291 | { |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 292 | SkScalar radii[][2] = { |
| 293 | {10,10}, |
| 294 | {5,15}, |
| 295 | {5,15}, |
| 296 | {5,15} |
| 297 | }; |
| 298 | |
| 299 | SkScalar strokeWidths[] = { |
| 300 | 20, 10, 20, 40 |
| 301 | }; |
| 302 | |
| 303 | for (int i = 0; i < 4; ++i) { |
| 304 | SkRRect circleRect; |
| 305 | circleRect.setRectXY(rect, radii[i][0], radii[i][1]); |
| 306 | |
| 307 | canvas->save(); |
| 308 | // position the roundrect, and make it at off-integer coords. |
| 309 | canvas->translate(kXStart + SK_Scalar1 * kXStep * 5 + SK_Scalar1 / 4, |
| 310 | kYStart + SK_Scalar1 * kYStep * i + 3 * SK_Scalar1 / 4 + |
| 311 | SK_ScalarHalf * kYStep); |
skia.committer@gmail.com | e36a168 | 2013-04-23 07:01:29 +0000 | [diff] [blame] | 312 | |
commit-bot@chromium.org | a534b84 | 2013-04-22 18:05:19 +0000 | [diff] [blame] | 313 | SkColor color = genColor(&rand); |
| 314 | |
| 315 | SkPaint p; |
| 316 | p.setAntiAlias(true); |
| 317 | p.setStyle(SkPaint::kStroke_Style); |
| 318 | p.setStrokeWidth(strokeWidths[i]); |
| 319 | p.setColor(color); |
| 320 | |
| 321 | canvas->drawRRect(circleRect, p); |
| 322 | canvas->restore(); |
| 323 | } |
| 324 | } |
| 325 | |
| 326 | } |
| 327 | |
| 328 | private: |
| 329 | SkTArray<SkPaint> fPaints; |
| 330 | SkTArray<SkMatrix> fMatrices; |
| 331 | |
| 332 | typedef GM INHERITED; |
| 333 | }; |
| 334 | |
| 335 | ////////////////////////////////////////////////////////////////////////////// |
| 336 | |
| 337 | static GM* MyFactory(void*) { return new RoundRectGM; } |
| 338 | static GMRegistry reg(MyFactory); |
| 339 | |
| 340 | } |