scratchfoundation/paper.js
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Use Path#reduce() to make sure there are no curves with zero length in boolean code.

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Jürg Lehni 2014-02-20 02:51:35 +01:00
parent e54691214a
commit f790ede7a8
1 changed files with 5 additions and 3 deletions
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8
src/path/PathItem.Boolean.js
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@ -75,11 +75,13 @@ PathItem.inject(new function() {
// We do not modify the operands themselves
// The result might not belong to the same type
// i.e. subtraction(A:Path, B:Path):CompoundPath etc.
// Also apply matrices to both paths in case they were transformed.
// We call reduce() on both cloned paths to simplify compound paths and
// remove empty curves. We also apply matrices to both paths in case
// they were transformed.
var singlePathOp = path1 === path2;
path1 = reorientPath(path1.clone(false).applyMatrix());
path1 = reorientPath(path1.clone(false).reduce().applyMatrix());
if (!singlePathOp)
path2 = reorientPath(path2.clone(false).applyMatrix());
path2 = reorientPath(path2.clone(false).reduce().applyMatrix());
// Do operator specific calculations before we begin
// Make both paths at clockwise orientation, except when @subtract = true
// We need both paths at opposit orientation for subtraction