scratchfoundation/paper.js
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Add Path#getLength().

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This commit is contained in:
Jürg Lehni 2011-03-06 14:58:10 +00:00
parent 8b32aa9f09
commit 501e42fb9d
2 changed files with 11 additions and 1 deletions
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10
src/path/Path.js
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@ -338,6 +338,14 @@ var Path = this.Path = PathItem.extend({
this.closed = ture; this.closed = ture;
}, },
getLength: function() {
var curves = this.getCurves();
var length = 0;
for (var i = 0, l = curves.length; i < l; i++)
length += curves[i].getLength();
return length;
},
draw: function(ctx, param) { draw: function(ctx, param) {
if (!param.compound) if (!param.compound)
ctx.beginPath(); ctx.beginPath();
@ -559,6 +567,8 @@ var Path = this.Path = PathItem.extend({
function addJoin(segment, join) { function addJoin(segment, join) {
var handleIn = segment.getHandleInIfSet(), var handleIn = segment.getHandleInIfSet(),
handleOut = segment.getHandleOutIfSet(); handleOut = segment.getHandleOutIfSet();
// When both handles are set in a segment, the join setting is
// ignored and round is always used.
if (join == 'round' || handleIn && handleOut) { if (join == 'round' || handleIn && handleOut) {
bounds = bounds.unite(new Rectangle(new Size(width, width)) bounds = bounds.unite(new Rectangle(new Size(width, width))
.setCenter(segment._point)); .setCenter(segment._point));

2
test/tests/Path_Length.js
View file

@ -6,5 +6,5 @@ test('path.length', function() {
new Segment(new Point(121, 334), new Point(-19, 38), new Point(30.7666015625, -61.53369140625)), new Segment(new Point(121, 334), new Point(-19, 38), new Point(30.7666015625, -61.53369140625)),
new Segment(new Point(248, 320), new Point(-42, -74), new Point(42, 74)) new Segment(new Point(248, 320), new Point(-42, -74), new Point(42, 74))
]); ]);
compareNumbers(path.curves[0].length, 172.10122680664062); compareNumbers(path.length, 172.10122680664062);
}); });