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| 1 /* | 1 /* |
| 2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 "GrOvalRenderer.h" | 8 #include "GrOvalRenderer.h" |
| 9 | 9 |
| 10 #include "GrEffect.h" | 10 #include "GrEffect.h" |
| (...skipping 288 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 299 } else if (vm.rectStaysRect()) { | 299 } else if (vm.rectStaysRect()) { |
| 300 return drawEllipse(target, paint, oval, stroke); | 300 return drawEllipse(target, paint, oval, stroke); |
| 301 | 301 |
| 302 } else { | 302 } else { |
| 303 return false; | 303 return false; |
| 304 } | 304 } |
| 305 | 305 |
| 306 return true; | 306 return true; |
| 307 } | 307 } |
| 308 | 308 |
| 309 namespace { |
| 310 |
| 311 // position + edge |
| 312 extern const GrVertexAttrib gCircleVertexAttribs[] = { |
| 313 {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding
}, |
| 314 {kVec4f_GrVertexAttribType, sizeof(GrPoint), kEffect_GrVertexAttribBinding} |
| 315 }; |
| 316 |
| 317 }; |
| 318 |
| 309 void GrOvalRenderer::drawCircle(GrDrawTarget* target, | 319 void GrOvalRenderer::drawCircle(GrDrawTarget* target, |
| 310 const GrPaint& paint, | 320 const GrPaint& paint, |
| 311 const GrRect& circle, | 321 const GrRect& circle, |
| 312 const SkStrokeRec& stroke) | 322 const SkStrokeRec& stroke) |
| 313 { | 323 { |
| 314 GrDrawState* drawState = target->drawState(); | 324 GrDrawState* drawState = target->drawState(); |
| 315 | 325 |
| 316 const SkMatrix& vm = drawState->getViewMatrix(); | 326 const SkMatrix& vm = drawState->getViewMatrix(); |
| 317 GrPoint center = GrPoint::Make(circle.centerX(), circle.centerY()); | 327 GrPoint center = GrPoint::Make(circle.centerX(), circle.centerY()); |
| 318 vm.mapPoints(¢er, 1); | 328 vm.mapPoints(¢er, 1); |
| 319 SkScalar radius = vm.mapRadius(SkScalarHalf(circle.width())); | 329 SkScalar radius = vm.mapRadius(SkScalarHalf(circle.width())); |
| 320 SkScalar strokeWidth = vm.mapRadius(stroke.getWidth()); | 330 SkScalar strokeWidth = vm.mapRadius(stroke.getWidth()); |
| 321 | 331 |
| 322 GrDrawState::AutoDeviceCoordDraw adcd(drawState); | 332 GrDrawState::AutoDeviceCoordDraw adcd(drawState); |
| 323 if (!adcd.succeeded()) { | 333 if (!adcd.succeeded()) { |
| 324 return; | 334 return; |
| 325 } | 335 } |
| 326 | 336 |
| 327 // position + edge | 337 drawState->setVertexAttribs<gCircleVertexAttribs>(SK_ARRAY_COUNT(gCircleVert
exAttribs)); |
| 328 static const GrVertexAttrib kVertexAttribs[] = { | |
| 329 {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding}, | |
| 330 {kVec4f_GrVertexAttribType, sizeof(GrPoint), kEffect_GrVertexAttribBindi
ng} | |
| 331 }; | |
| 332 drawState->setVertexAttribs(kVertexAttribs, SK_ARRAY_COUNT(kVertexAttribs)); | |
| 333 GrAssert(sizeof(CircleVertex) == drawState->getVertexSize()); | 338 GrAssert(sizeof(CircleVertex) == drawState->getVertexSize()); |
| 334 | 339 |
| 335 GrDrawTarget::AutoReleaseGeometry geo(target, 4, 0); | 340 GrDrawTarget::AutoReleaseGeometry geo(target, 4, 0); |
| 336 if (!geo.succeeded()) { | 341 if (!geo.succeeded()) { |
| 337 GrPrintf("Failed to get space for vertices!\n"); | 342 GrPrintf("Failed to get space for vertices!\n"); |
| 338 return; | 343 return; |
| 339 } | 344 } |
| 340 | 345 |
| 341 CircleVertex* verts = reinterpret_cast<CircleVertex*>(geo.vertices()); | 346 CircleVertex* verts = reinterpret_cast<CircleVertex*>(geo.vertices()); |
| 342 | 347 |
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| 399 verts[2].fInnerRadius = innerRadius; | 404 verts[2].fInnerRadius = innerRadius; |
| 400 | 405 |
| 401 verts[3].fPos = SkPoint::Make(bounds.fRight, bounds.fBottom); | 406 verts[3].fPos = SkPoint::Make(bounds.fRight, bounds.fBottom); |
| 402 verts[3].fOffset = SkPoint::Make(outerRadius, outerRadius); | 407 verts[3].fOffset = SkPoint::Make(outerRadius, outerRadius); |
| 403 verts[3].fOuterRadius = outerRadius; | 408 verts[3].fOuterRadius = outerRadius; |
| 404 verts[3].fInnerRadius = innerRadius; | 409 verts[3].fInnerRadius = innerRadius; |
| 405 | 410 |
| 406 target->drawNonIndexed(kTriangleStrip_GrPrimitiveType, 0, 4, &bounds); | 411 target->drawNonIndexed(kTriangleStrip_GrPrimitiveType, 0, 4, &bounds); |
| 407 } | 412 } |
| 408 | 413 |
| 414 namespace { |
| 415 |
| 416 // position + edge |
| 417 extern const GrVertexAttrib gEllipseVertexAttribs[] = { |
| 418 {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBindi
ng}, |
| 419 {kVec2f_GrVertexAttribType, sizeof(GrPoint), kEffect_GrVertexAttribBinding
}, |
| 420 {kVec4f_GrVertexAttribType, 2*sizeof(GrPoint), kEffect_GrVertexAttribBinding
} |
| 421 }; |
| 422 |
| 423 }; |
| 424 |
| 409 bool GrOvalRenderer::drawEllipse(GrDrawTarget* target, | 425 bool GrOvalRenderer::drawEllipse(GrDrawTarget* target, |
| 410 const GrPaint& paint, | 426 const GrPaint& paint, |
| 411 const GrRect& ellipse, | 427 const GrRect& ellipse, |
| 412 const SkStrokeRec& stroke) | 428 const SkStrokeRec& stroke) |
| 413 { | 429 { |
| 414 GrDrawState* drawState = target->drawState(); | 430 GrDrawState* drawState = target->drawState(); |
| 415 #ifdef SK_DEBUG | 431 #ifdef SK_DEBUG |
| 416 { | 432 { |
| 417 // we should have checked for this previously | 433 // we should have checked for this previously |
| 418 bool isAxisAlignedEllipse = drawState->getViewMatrix().rectStaysRect(); | 434 bool isAxisAlignedEllipse = drawState->getViewMatrix().rectStaysRect(); |
| (...skipping 19 matching lines...) Expand all Loading... |
| 438 SkVector scaledStroke; | 454 SkVector scaledStroke; |
| 439 SkScalar strokeWidth = stroke.getWidth(); | 455 SkScalar strokeWidth = stroke.getWidth(); |
| 440 scaledStroke.fX = SkScalarAbs(strokeWidth*(vm[SkMatrix::kMScaleX] + vm[SkMat
rix::kMSkewY])); | 456 scaledStroke.fX = SkScalarAbs(strokeWidth*(vm[SkMatrix::kMScaleX] + vm[SkMat
rix::kMSkewY])); |
| 441 scaledStroke.fY = SkScalarAbs(strokeWidth*(vm[SkMatrix::kMSkewX] + vm[SkMatr
ix::kMScaleY])); | 457 scaledStroke.fY = SkScalarAbs(strokeWidth*(vm[SkMatrix::kMSkewX] + vm[SkMatr
ix::kMScaleY])); |
| 442 | 458 |
| 443 GrDrawState::AutoDeviceCoordDraw adcd(drawState); | 459 GrDrawState::AutoDeviceCoordDraw adcd(drawState); |
| 444 if (!adcd.succeeded()) { | 460 if (!adcd.succeeded()) { |
| 445 return false; | 461 return false; |
| 446 } | 462 } |
| 447 | 463 |
| 448 // position + edge | 464 drawState->setVertexAttribs<gEllipseVertexAttribs>(SK_ARRAY_COUNT(gEllipseVe
rtexAttribs)); |
| 449 static const GrVertexAttrib kVertexAttribs[] = { | |
| 450 {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding}, | |
| 451 {kVec2f_GrVertexAttribType, sizeof(GrPoint), kEffect_GrVertexAttribBindi
ng}, | |
| 452 {kVec4f_GrVertexAttribType, 2*sizeof(GrPoint), kEffect_GrVertexAttribBin
ding} | |
| 453 }; | |
| 454 drawState->setVertexAttribs(kVertexAttribs, SK_ARRAY_COUNT(kVertexAttribs)); | |
| 455 GrAssert(sizeof(EllipseVertex) == drawState->getVertexSize()); | 465 GrAssert(sizeof(EllipseVertex) == drawState->getVertexSize()); |
| 456 | 466 |
| 457 GrDrawTarget::AutoReleaseGeometry geo(target, 4, 0); | 467 GrDrawTarget::AutoReleaseGeometry geo(target, 4, 0); |
| 458 if (!geo.succeeded()) { | 468 if (!geo.succeeded()) { |
| 459 GrPrintf("Failed to get space for vertices!\n"); | 469 GrPrintf("Failed to get space for vertices!\n"); |
| 460 return false; | 470 return false; |
| 461 } | 471 } |
| 462 | 472 |
| 463 EllipseVertex* verts = reinterpret_cast<EllipseVertex*>(geo.vertices()); | 473 EllipseVertex* verts = reinterpret_cast<EllipseVertex*>(geo.vertices()); |
| 464 | 474 |
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| 541 verts[3].fPos = SkPoint::Make(bounds.fRight, bounds.fBottom); | 551 verts[3].fPos = SkPoint::Make(bounds.fRight, bounds.fBottom); |
| 542 verts[3].fOuterXRadius = xRadius; | 552 verts[3].fOuterXRadius = xRadius; |
| 543 verts[3].fInnerXRadius = innerXRadius; | 553 verts[3].fInnerXRadius = innerXRadius; |
| 544 verts[3].fOuterOffset = SkPoint::Make(xRadius, outerRatio*yRadius); | 554 verts[3].fOuterOffset = SkPoint::Make(xRadius, outerRatio*yRadius); |
| 545 verts[3].fInnerOffset = SkPoint::Make(xRadius, innerRatio*yRadius); | 555 verts[3].fInnerOffset = SkPoint::Make(xRadius, innerRatio*yRadius); |
| 546 | 556 |
| 547 target->drawNonIndexed(kTriangleStrip_GrPrimitiveType, 0, 4, &bounds); | 557 target->drawNonIndexed(kTriangleStrip_GrPrimitiveType, 0, 4, &bounds); |
| 548 | 558 |
| 549 return true; | 559 return true; |
| 550 } | 560 } |
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