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SVG: Define additional orthogonal check when determining shape type.

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Closes #283.
This commit is contained in:
Jürg Lehni 2013-10-16 17:06:29 +02:00
parent be5a73a61d
commit 751dfe52ea
1 changed files with 9 additions and 1 deletions
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10
src/svg/SVGExport.js
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@ -109,6 +109,14 @@ new function() {
seg4._point.subtract(seg3._point));
}
function isOrthogonal(i) {
var seg2 = segments[i],
seg1 = seg2.getPrevious(),
seg3 = seg2.getNext();
return seg2._point.subtract(seg1._point).isOrthogonal(
seg3._point.subtract(seg2._point));
}
// Returns true if the segment at the given index is the beginning of
// a orthogonal arc segment. The code is looking at the length of the
// handles and their relation to the distance to the imaginary corner
@ -138,7 +146,7 @@ new function() {
// objects with curves(circle, ellipse, roundedRectangle).
if (path.isPolygon()) {
return segments.length === 4 && path._closed
&& isColinear(0, 2) && isColinear(1, 3)
&& isColinear(0, 2) && isColinear(1, 3) && isOrthogonal(1)
? 'rect'
: segments.length === 0
? 'empty'