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Simplify Path#getArea()

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Relates to #994
This commit is contained in:
Jürg Lehni 2016-02-26 17:49:44 +01:00
parent 1db419a87b
commit 7dd110f5b2
1 changed files with 3 additions and 6 deletions
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9
src/path/Curve.js
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@ -761,12 +761,9 @@ statics: /** @lends Curve */{
c1x = v[2], c1y = v[3],
c2x = v[4], c2y = v[5],
p2x = v[6], p2y = v[7];
return (3.0 * c1y * p1x - 1.5 * c1y * c2x
- 1.5 * c1y * p2x - 3.0 * p1y * c1x
- 1.5 * p1y * c2x - 0.5 * p1y * p2x
+ 1.5 * c2y * p1x + 1.5 * c2y * c1x
- 3.0 * c2y * p2x + 0.5 * p2y * p1x
+ 1.5 * p2y * c1x + 3.0 * p2y * c2x) / 10;
return (6 * (p1x*c1y-p1y*c1x+c2x*p2y-p2x*c2y) +
3 * (c1x*p2y-c1y*p2x+p1x*c2y-c2x*p1y+c1x*c2y-c1y*c2x) +
1 * (p1x*p2y-p1y*p2x)) / 20;
},
getBounds: function(v) {