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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "gm.h" | 8 #include "gm.h" |
9 #include "SkPath.h" | 9 #include "SkPath.h" |
10 #include "SkRandom.h" | 10 #include "SkRandom.h" |
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259 paint.setStrokeWidth(0.055f); | 259 paint.setStrokeWidth(0.055f); |
260 | 260 |
261 canvas->scale(1000, 1000); | 261 canvas->scale(1000, 1000); |
262 canvas->drawCircle(0, 2, 1.97f, paint); | 262 canvas->drawCircle(0, 2, 1.97f, paint); |
263 } | 263 } |
264 | 264 |
265 private: | 265 private: |
266 typedef skiagm::GM INHERITED; | 266 typedef skiagm::GM INHERITED; |
267 }; | 267 }; |
268 | 268 |
| 269 // Test stroking for curves that produce degenerate tangents when t is 0 or 1 (s
ee bug 4191) |
| 270 class Strokes5GM : public skiagm::GM { |
| 271 public: |
| 272 Strokes5GM() {} |
| 273 |
| 274 protected: |
| 275 |
| 276 SkString onShortName() override { |
| 277 return SkString("zero_control_stroke"); |
| 278 } |
| 279 |
| 280 SkISize onISize() override { |
| 281 return SkISize::Make(W, H*2); |
| 282 } |
| 283 |
| 284 void onDraw(SkCanvas* canvas) override { |
| 285 SkPaint p; |
| 286 p.setColor(SK_ColorRED); |
| 287 p.setAntiAlias(true); |
| 288 p.setStyle(SkPaint::kStroke_Style); |
| 289 p.setStrokeWidth(40); |
| 290 p.setStrokeCap(SkPaint::kButt_Cap); |
| 291 |
| 292 SkPath path; |
| 293 path.moveTo(157.474f,111.753f); |
| 294 path.cubicTo(128.5f,111.5f,35.5f,29.5f,35.5f,29.5f); |
| 295 canvas->drawPath(path, p); |
| 296 path.reset(); |
| 297 path.moveTo(250, 50); |
| 298 path.quadTo(280, 80, 280, 80); |
| 299 canvas->drawPath(path, p); |
| 300 path.reset(); |
| 301 path.moveTo(150, 50); |
| 302 path.conicTo(180, 80, 180, 80, 0.707f); |
| 303 canvas->drawPath(path, p); |
| 304 |
| 305 path.reset(); |
| 306 path.moveTo(157.474f,311.753f); |
| 307 path.cubicTo(157.474f,311.753f,85.5f,229.5f,35.5f,229.5f); |
| 308 canvas->drawPath(path, p); |
| 309 path.reset(); |
| 310 path.moveTo(280, 250); |
| 311 path.quadTo(280, 250, 310, 280); |
| 312 canvas->drawPath(path, p); |
| 313 path.reset(); |
| 314 path.moveTo(180, 250); |
| 315 path.conicTo(180, 250, 210, 280, 0.707f); |
| 316 canvas->drawPath(path, p); |
| 317 } |
| 318 |
| 319 private: |
| 320 typedef skiagm::GM INHERITED; |
| 321 }; |
| 322 |
269 | 323 |
270 ////////////////////////////////////////////////////////////////////////////// | 324 ////////////////////////////////////////////////////////////////////////////// |
271 | 325 |
272 static skiagm::GM* F0(void*) { return new StrokesGM; } | 326 static skiagm::GM* F0(void*) { return new StrokesGM; } |
273 static skiagm::GM* F1(void*) { return new Strokes2GM; } | 327 static skiagm::GM* F1(void*) { return new Strokes2GM; } |
274 static skiagm::GM* F2(void*) { return new Strokes3GM; } | 328 static skiagm::GM* F2(void*) { return new Strokes3GM; } |
275 static skiagm::GM* F3(void*) { return new Strokes4GM; } | 329 static skiagm::GM* F3(void*) { return new Strokes4GM; } |
| 330 static skiagm::GM* F4(void*) { return new Strokes5GM; } |
276 | 331 |
277 static skiagm::GMRegistry R0(F0); | 332 static skiagm::GMRegistry R0(F0); |
278 static skiagm::GMRegistry R1(F1); | 333 static skiagm::GMRegistry R1(F1); |
279 static skiagm::GMRegistry R2(F2); | 334 static skiagm::GMRegistry R2(F2); |
280 static skiagm::GMRegistry R3(F3); | 335 static skiagm::GMRegistry R3(F3); |
| 336 static skiagm::GMRegistry R4(F4); |
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