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Improve handling of tMin and tMax in self-intersection code in PathItem#getIntersections()

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Jürg Lehni 2014-02-20 17:55:39 +01:00
parent f782abd0d7
commit bdcfb60a9a
1 changed files with 5 additions and 6 deletions
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11
src/path/PathItem.js
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@ -111,14 +111,13 @@ var PathItem = Item.extend(/** @lends PathItem# */{
}
// Check for intersections with other curves
for (var j = selfOp ? i + 1 : 0; j < length2; j++) {
// Avoid end point intersections on consecutive curves whe self
// intersecting.
var excludeEnds = selfOp && (j === i + 1
|| (j === length2 - 1 && i === 0));
Curve.getIntersections(values1, values2[j], curve1,
curves2[j], locations,
excludeEnds ? ZERO : 0, // tMin
excludeEnds ? ONE : 1); // tMax
// Avoid end point intersections on consecutive curves
// when self intersecting.
selfOp && (j === i + 1 || j === length2 - 1 && i === 0)
? ZERO : 0, // tMin
ONE); // tMax
}
}
// Now filter the locations and process _expand: