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Various simplificiations and clean-ups in Path constructors.

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This commit is contained in:
Jürg Lehni 2011-03-06 18:46:28 +00:00
parent deb78b78cf
commit 90b94a8d83
1 changed files with 27 additions and 27 deletions
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54
src/path/Path.Constructors.js
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@ -22,44 +22,44 @@ Path.inject({ statics: new function() {
}, },
Rectangle: function() { Rectangle: function() {
var path = new Path(); var path = new Path(),
path.closed = true; rectangle = Rectangle.read(arguments),
var rectangle = Rectangle.read(arguments); corners = ['getBottomLeft', 'getTopLeft', 'getTopRight',
var corners = ['bottomLeft', 'topLeft', 'topRight', 'getBottomRight'];
'bottomRight'];
for (var i = 0; i < 4; i++) { for (var i = 0; i < 4; i++) {
path.add(rectangle[corners[i]]); path.add(rectangle[corners[i]]());
} }
path.closed = true;
return path; return path;
}, },
RoundRectangle: function() { RoundRectangle: function() {
var path = new Path(); var path = new Path(),
var rect, size; rect, size;
if (arguments.length == 2) { if (arguments.length == 2) {
rect = new Rectangle(arguments[0]); rect = Rectangle.read(arguments, 0, 1);
size = new Size(arguments[1]); size = Size.read(arguments, 1, 1);
} else { } else if (arguments.length == 6) {
rect = new Rectangle(arguments[0], arguments[1], rect = Rectangle.read(arguments, 0, 4);
arguments[2], arguments[3]); size = Size.read(arguments, 4, 2);
size = new Size(arguments[4], arguments[5]);
} }
size = Size.min(size, rect.getSize().divide(2)); size = Size.min(size, rect.getSize().divide(2));
uSize = size.multiply(kappa * 2); var uSize = size.multiply(kappa * 2),
bl = rect.getBottomLeft(),
tl = rect.getTopLeft(),
tr = rect.getTopRight(),
br = rect.getBottomRight();
var bl = rect.getBottomLeft();
path.add(bl.add(size.width, 0), null, [-uSize.width, 0]); path.add(bl.add(size.width, 0), null, [-uSize.width, 0]);
path.add(bl.subtract(0, size.height), [0, uSize.height], null); path.add(bl.subtract(0, size.height), [0, uSize.height], null);
var tl = rect.getTopLeft();
path.add(tl.add(0, size.height), null, [0, -uSize.height]); path.add(tl.add(0, size.height), null, [0, -uSize.height]);
path.add(tl.add(size.width, 0), [-uSize.width, 0], null); path.add(tl.add(size.width, 0), [-uSize.width, 0], null);
var tr = rect.getTopRight();
path.add(tr.subtract(size.width, 0), null, [uSize.width, 0]); path.add(tr.subtract(size.width, 0), null, [uSize.width, 0]);
path.add(tr.add(0, size.height), [0, -uSize.height], null); path.add(tr.add(0, size.height), [0, -uSize.height], null);
var br = rect.getBottomRight();
path.add(br.subtract(0, size.height), null, [0, uSize.height]); path.add(br.subtract(0, size.height), null, [0, uSize.height]);
path.add(br.subtract(size.width, 0), [uSize.width, 0], null); path.add(br.subtract(size.width, 0), [uSize.width, 0], null);
@ -68,10 +68,10 @@ Path.inject({ statics: new function() {
}, },
Oval: function() { Oval: function() {
var path = new Path(); var path = new Path(),
var rect = Rectangle.read(arguments); rect = Rectangle.read(arguments),
var topLeft = rect.getTopLeft(); topLeft = rect.getTopLeft(),
var size = new Size(rect.width, rect.height); size = new Size(rect.width, rect.height);
for (var i = 0; i < 4; i++) { for (var i = 0; i < 4; i++) {
var segment = ovalSegments[i]; var segment = ovalSegments[i];
path._add(new Segment( path._add(new Segment(
@ -106,10 +106,10 @@ Path.inject({ statics: new function() {
RegularPolygon: function(center, numSides, radius) { RegularPolygon: function(center, numSides, radius) {
center = new Point(center); center = new Point(center);
var path = new Path(); var path = new Path(),
var three = !(numSides % 3); three = !(numSides % 3),
var vector = new Point(0, three ? -radius : radius); vector = new Point(0, three ? -radius : radius),
var offset = three ? -1 : 0.5; offset = three ? -1 : 0.5;
for (var i = 0; i < numSides; i++) { for (var i = 0; i < numSides; i++) {
var angle = (360 / numSides) * (i + offset); var angle = (360 / numSides) * (i + offset);
path.add(center.add(vector.rotate(angle))); path.add(center.add(vector.rotate(angle)));