scratchfoundation/paper.js
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Fully support object literal arguments in Shape constructors.

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This commit is contained in:
Jürg Lehni 2013-06-12 20:13:39 -07:00
parent 95ecab8a6f
commit 5250281ab1
1 changed files with 29 additions and 16 deletions

45
src/item/Shape.js
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@ -44,6 +44,7 @@ var Shape = Item.extend(/** @lends Shape# */{
ctx.arc(0, 0, (width + height) / 4, 0, Math.PI * 2, true);
break;
case 'ellipse':
// Use four bezier curves and KAPPA value to aproximate ellipse
var mx = width / 2,
my = height / 2,
kappa = Numerical.KAPPA,
@ -86,22 +87,34 @@ var Shape = Item.extend(/** @lends Shape# */{
return _hitTest.base.apply(this, arguments);
},
statics: {
Circle: function(/* center, radius */) {
var center = Point.readNamed(arguments, 'center'),
radius = Base.readNamed(arguments, 'radius');
return new Shape('circle', center, new Size(radius * 2));
},
Rectangle: function(/* rectangle */) {
var rect = Rectangle.readNamed(arguments, 'rectangle');
return new Shape('rect', rect.getCenter(true), rect.getSize(true));
},
Ellipse: function(/* rectangle */) {
var rect = Rectangle.readNamed(arguments, 'rectangle');
return new Shape('ellipse', rect.getCenter(true),
rect.getSize(true));
statics: new function() {
function createShape(type, point, size, args) {
var shape = new Shape(type, point, size),
named = Base.getNamed(args);
if (named)
shape._set(named);
return shape;
}
return {
Circle: function(/* center, radius */) {
var center = Point.readNamed(arguments, 'center'),
radius = Base.readNamed(arguments, 'radius');
return createShape('circle', center, new Size(radius * 2),
arguments);
},
Rectangle: function(/* rectangle */) {
var rect = Rectangle.readNamed(arguments, 'rectangle');
return createShape('rect', rect.getCenter(true),
rect.getSize(true), arguments);
},
Ellipse: function(/* rectangle */) {
var rect = Rectangle.readNamed(arguments, 'rectangle');
return createShape('ellipse', rect.getCenter(true),
rect.getSize(true), arguments);
}
};
}
});