scratchfoundation/paper.js
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Define CompoundPath#reverse() and #clockwise, and replace reversePath() with it.

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This commit is contained in:
Jürg Lehni 2013-05-03 21:41:22 -07:00
parent bd3031cdff
commit 25e5582a35
3 changed files with 33 additions and 22 deletions

21
src/path/PathItem.Boolean.js
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@ -108,21 +108,6 @@ PathItem.inject(new function() {
return baseWinding;
}
function reversePath(path) {
var baseWinding;
if (path instanceof CompoundPath) {
var children = path.children, i, len;
for (i = 0, len = children.length; i < len; i++) {
children[i].reverse();
}
baseWinding = children[0].clockwise;
} else {
path.reverse();
baseWinding = path.clockwise;
}
return baseWinding;
}
function computeBoolean(path1, path2, operator, subtract, _cache) {
var _path1, _path2, path1Clockwise, path2Clockwise;
var ixs, path1Id, path2Id;
@ -147,8 +132,10 @@ PathItem.inject(new function() {
path1Id = _path1.id;
path2Id = _path2.id;
// Do operator specific calculations before we begin
if (subtract)
path2Clockwise = reversePath(_path2);
if (subtract) {
_path2.reverse();
path2Clockwise = !path2Clockwise;
}
var i, j, len, path, crv;
var paths = [];