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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 "SkAddIntersections.h" | 7 #include "SkAddIntersections.h" |
8 #include "SkPathOpsBounds.h" | 8 #include "SkPathOpsBounds.h" |
9 | 9 |
10 #if DEBUG_ADD_INTERSECTING_TS | 10 #if DEBUG_ADD_INTERSECTING_TS |
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417 SkIntersections ts; | 417 SkIntersections ts; |
418 int pts = ts.cubic(wt.pts()); | 418 int pts = ts.cubic(wt.pts()); |
419 debugShowCubicIntersection(pts, wt, ts); | 419 debugShowCubicIntersection(pts, wt, ts); |
420 if (!pts) { | 420 if (!pts) { |
421 continue; | 421 continue; |
422 } | 422 } |
423 SkASSERT(pts == 1); | 423 SkASSERT(pts == 1); |
424 SkASSERT(ts[0][0] >= 0 && ts[0][0] <= 1); | 424 SkASSERT(ts[0][0] >= 0 && ts[0][0] <= 1); |
425 SkASSERT(ts[1][0] >= 0 && ts[1][0] <= 1); | 425 SkASSERT(ts[1][0] >= 0 && ts[1][0] <= 1); |
426 SkPoint point = ts.pt(0).asSkPoint(); | 426 SkPoint point = ts.pt(0).asSkPoint(); |
427 int testTAt = wt.addSelfT(wt, point, ts[0][0]); | 427 int testTAt = wt.addSelfT(point, ts[0][0]); |
428 int nextTAt = wt.addT(wt, point, ts[1][0]); | 428 int nextTAt = wt.addSelfT(point, ts[1][0]); |
429 wt.addOtherT(testTAt, ts[1][0], nextTAt); | 429 wt.addOtherT(testTAt, ts[1][0], nextTAt); |
430 wt.addOtherT(nextTAt, ts[0][0], testTAt); | 430 wt.addOtherT(nextTAt, ts[0][0], testTAt); |
431 } while (wt.advance()); | 431 } while (wt.advance()); |
432 } | 432 } |
433 | 433 |
434 // resolve any coincident pairs found while intersecting, and | 434 // resolve any coincident pairs found while intersecting, and |
435 // see if coincidence is formed by clipping non-concident segments | 435 // see if coincidence is formed by clipping non-concident segments |
436 void CoincidenceCheck(SkTArray<SkOpContour*, true>* contourList, int total) { | 436 void CoincidenceCheck(SkTArray<SkOpContour*, true>* contourList, int total) { |
437 int contourCount = (*contourList).count(); | 437 int contourCount = (*contourList).count(); |
438 for (int cIndex = 0; cIndex < contourCount; ++cIndex) { | 438 for (int cIndex = 0; cIndex < contourCount; ++cIndex) { |
439 SkOpContour* contour = (*contourList)[cIndex]; | 439 SkOpContour* contour = (*contourList)[cIndex]; |
440 contour->addCoincidentPoints(); | 440 contour->addCoincidentPoints(); |
441 } | 441 } |
442 for (int cIndex = 0; cIndex < contourCount; ++cIndex) { | 442 for (int cIndex = 0; cIndex < contourCount; ++cIndex) { |
443 SkOpContour* contour = (*contourList)[cIndex]; | 443 SkOpContour* contour = (*contourList)[cIndex]; |
444 contour->calcCoincidentWinding(); | 444 contour->calcCoincidentWinding(); |
445 } | 445 } |
446 for (int cIndex = 0; cIndex < contourCount; ++cIndex) { | 446 for (int cIndex = 0; cIndex < contourCount; ++cIndex) { |
447 SkOpContour* contour = (*contourList)[cIndex]; | 447 SkOpContour* contour = (*contourList)[cIndex]; |
448 contour->calcPartialCoincidentWinding(); | 448 contour->calcPartialCoincidentWinding(); |
449 } | 449 } |
450 } | 450 } |
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