scratchfoundation/paper.js
1
0
Fork 0
mirror of https://github.com/scratchfoundation/paper.js.git synced 2025-01-05 20:32:00 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Implement the various bounds getter on Curve too, using caching and the new static Path.get*Bounds methods.

Browse source
This commit is contained in:
Jürg Lehni 2012-12-18 14:35:21 +01:00
parent 4de5f30f72
commit 29a2bc781b
1 changed files with 19 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
src/path/Curve.js
View file

@ -65,6 +65,7 @@ var Curve = this.Curve = Base.extend(/** @lends Curve# */{
_changed: function() {
// Clear cached values.
delete this._length;
delete this._bounds;
},
/**
@ -549,7 +550,24 @@ var Curve = this.Curve = Base.extend(/** @lends Curve# */{
return Math.max(ux * ux, vx * vx) + Math.max(uy * uy, vy * vy) < 1;
}
}
}, new function() { // Scope for methods that require numerical integration
}, Base.each(['getBounds', 'getStrokeBounds', 'getHandleBounds', 'getRoughBounds'],
function(name) {
this[name] = function() {
if (!this._bounds)
this._bounds = {};
var bounds = this._bounds[name];
if (!bounds) {
// Calculate the curve bounds by passing a segment list for the
// curve to the static Path.get*Boudns methods.
bounds = this._bounds[name] = Path[name](
[this._segment1, this._segment2], false, this._path._style);
}
return bounds.clone();
};
},
/** @lends Curve# */{
}),
new function() { // Scope for methods that require numerical integration
function getLengthIntegrand(v) {
// Calculate the coefficients of a Bezier derivative.