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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 #include "SkReduceOrder.h" | 7 #include "SkReduceOrder.h" |
8 | 8 |
9 int SkReduceOrder::reduce(const SkDLine& line) { | 9 int SkReduceOrder::reduce(const SkDLine& line) { |
10 fLine[0] = line[0]; | 10 fLine[0] = line[0]; |
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418 return result; | 418 return result; |
419 } | 419 } |
420 if (allowQuadratics == SkReduceOrder::kAllow_Quadratics | 420 if (allowQuadratics == SkReduceOrder::kAllow_Quadratics |
421 && (result = check_quadratic(cubic, fCubic))) { | 421 && (result = check_quadratic(cubic, fCubic))) { |
422 return result; | 422 return result; |
423 } | 423 } |
424 fCubic = cubic; | 424 fCubic = cubic; |
425 return 4; | 425 return 4; |
426 } | 426 } |
427 | 427 |
428 SkPath::Verb SkReduceOrder::Quad(const SkPoint a[3], SkTArray<SkPoint, true>* re
ducePts) { | 428 SkPath::Verb SkReduceOrder::Quad(const SkPoint a[3], SkPoint* reducePts) { |
429 SkDQuad quad; | 429 SkDQuad quad; |
430 quad.set(a); | 430 quad.set(a); |
431 SkReduceOrder reducer; | 431 SkReduceOrder reducer; |
432 int order = reducer.reduce(quad, kFill_Style); | 432 int order = reducer.reduce(quad, kFill_Style); |
433 if (order == 2) { // quad became line | 433 if (order == 2) { // quad became line |
434 for (int index = 0; index < order; ++index) { | 434 for (int index = 0; index < order; ++index) { |
435 SkPoint& pt = reducePts->push_back(); | 435 *reducePts++ = reducer.fLine[index].asSkPoint(); |
436 pt.fX = SkDoubleToScalar(reducer.fLine[index].fX); | |
437 pt.fY = SkDoubleToScalar(reducer.fLine[index].fY); | |
438 } | 436 } |
439 } | 437 } |
440 return SkPathOpsPointsToVerb(order - 1); | 438 return SkPathOpsPointsToVerb(order - 1); |
441 } | 439 } |
442 | 440 |
443 SkPath::Verb SkReduceOrder::Cubic(const SkPoint a[4], SkTArray<SkPoint, true>* r
educePts) { | 441 SkPath::Verb SkReduceOrder::Cubic(const SkPoint a[4], SkPoint* reducePts) { |
444 SkDCubic cubic; | 442 SkDCubic cubic; |
445 cubic.set(a); | 443 cubic.set(a); |
446 SkReduceOrder reducer; | 444 SkReduceOrder reducer; |
447 int order = reducer.reduce(cubic, kAllow_Quadratics, kFill_Style); | 445 int order = reducer.reduce(cubic, kAllow_Quadratics, kFill_Style); |
448 if (order == 2 || order == 3) { // cubic became line or quad | 446 if (order == 2 || order == 3) { // cubic became line or quad |
449 for (int index = 0; index < order; ++index) { | 447 for (int index = 0; index < order; ++index) { |
450 SkPoint& pt = reducePts->push_back(); | 448 *reducePts++ = reducer.fQuad[index].asSkPoint(); |
451 pt.fX = SkDoubleToScalar(reducer.fQuad[index].fX); | |
452 pt.fY = SkDoubleToScalar(reducer.fQuad[index].fY); | |
453 } | 449 } |
454 } | 450 } |
455 return SkPathOpsPointsToVerb(order - 1); | 451 return SkPathOpsPointsToVerb(order - 1); |
456 } | 452 } |
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