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Some minor clean-ups.

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This commit is contained in:
Jürg Lehni 2011-03-07 01:40:18 +00:00
parent 027a5e67b9
commit 3447d11a6f
1 changed files with 6 additions and 5 deletions
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11
src/path/Curve.js
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@ -261,13 +261,14 @@ var Curve = this.Curve = Base.extend({
getPartLength: function(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t, right) {
if (t == 0)
return 0;
var part;
if (t < 1) {
curve = Curve.subdivide(p1x, p1y, c1x, c1y, c2x, c2y,
part = Curve.subdivide(p1x, p1y, c1x, c1y, c2x, c2y,
p2x, p2y, t)[right ? 1 : 0];
} else {
curve = arguments;
part = arguments;
}
return Curve.getLength.apply(Curve, curve);
return Curve.getLength.apply(Curve, part);
},
getParameter: function(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, length) {
@ -280,8 +281,8 @@ var Curve = this.Curve = Base.extend({
// Let's use the Van Wijngaarden–Dekker–Brent Method to find
// solutions more reliably than with False Position Method.
function f(t) {
return Curve.getPartLength(
p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) - length;
return length - Curve.getPartLength(
p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t);
}
// Use length / bezierLength for an initial guess for b, to bring
// us closer: