scratchfoundation/paper.js
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Clean up and add more comments.

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This commit is contained in:
Jürg Lehni 2011-06-04 19:25:50 +01:00
parent 263fa8cbd9
commit 90be683113
2 changed files with 6 additions and 5 deletions
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2
src/path/Path.js
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@ -766,7 +766,7 @@ var Path = this.Path = PathItem.extend({
i = 0;
while (from < flattener.length) {
to = from + dashArray[(i++) % dashArray.length];
flattener.drawPart(ctx, from, to, true);
flattener.drawPart(ctx, from, to);
from = to + dashArray[(i++) % dashArray.length];
}
}

9
src/path/PathFlattener.js
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@ -88,7 +88,10 @@ var PathFlattener = Base.extend({
for (var l = this.parts.length; i < l; i++) {
var part = this.parts[i];
if (part.length >= length) {
// Found the right part, remember current position
this.index = i;
// Now get the previous part so we can linearly interpolate
// the curve parameter
var prev = this.parts[i - 1];
// Make sure we only use the previous parameter value if its
// for the same curve, by checking index. Use 0 otherwise.
@ -110,17 +113,15 @@ var PathFlattener = Base.extend({
};
},
drawPart: function(ctx, from, to, moveTo) {
drawPart: function(ctx, from, to) {
from = this.getParameter(from);
to = this.getParameter(to);
for (var i = from.index; i <= to.index; i++) {
var curve = Curve.getPart.apply(Curve, this.curves[i].concat(
i == from.index ? from.value : 0,
i == to.index ? to.value : 1));
if (moveTo) {
if (i = from.index)
ctx.moveTo(curve[0], curve[1]);
moveTo = false;
}
ctx.bezierCurveTo.apply(ctx, curve.slice(2));
}
}