scratchfoundation/paper.js
1
0
Fork 0
mirror of https://github.com/scratchfoundation/paper.js.git synced 2024-12-29 09:22:22 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Optimize Path#draw.

Browse source
This commit is contained in:
Jonathan Puckey 2011-02-20 20:45:50 +01:00
parent cb40d3f6f4
commit f83309d6b7
1 changed files with 29 additions and 18 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

47
src/path/Path.js
View file

@ -354,31 +354,42 @@ Path = PathItem.extend({
draw: function(ctx, compound) {
if (!this.visible) return;
if(!compound)
if (!compound)
ctx.beginPath();
var cp1;
for (var i = 0, l = this._segments.length; i < l; i++) {
var segment = this._segments[i];
var point = segment.point;
var handleIn = segment.handleIn.add(point);
var handleOut = segment.handleOut.add(point);
var segments = this._segments;
var length = segments.length;
for (var i = 0; i < length; i++) {
var segment = segments[i];
var x = segment.point.x;
var y = segment.point.y;
var handleIn = segment.handleIn;
if (i == 0) {
ctx.moveTo(point.x, point.y);
ctx.moveTo(x, y);
} else {
ctx.bezierCurveTo(cp1.x, cp1.y, handleIn.x, handleIn.y,
point.x, point.y);
if (handleOut.isZero() && handleIn.isZero()) {
ctx.lineTo(x, y);
} else {
ctx.bezierCurveTo(
outX, outY,
handleIn.x + x, handleIn.y + y,
x, y
);
}
}
cp1 = handleOut;
var handleOut = segment.handleOut;
var outX = handleOut.x + x;
var outY = handleOut.y + y;
}
if (this.closed && this._segments.length > 1) {
var segment = this._segments[0];
var point = segment.point;
var handleIn = segment.handleIn.add(point);
ctx.bezierCurveTo(cp1.x, cp1.y, handleIn.x, handleIn.y,
point.x, point.y);
if (this.closed && length > 1) {
var segment = segments[0];
var x = segment.point.x;
var y = segment.point.y;
var handleIn = segment.handleIn;
ctx.bezierCurveTo(outX, outY, handleIn.x + x, handleIn.y + y, x, y);
ctx.closePath();
}
if(!compound) {
if (!compound) {
this.setCtxStyles(ctx);
ctx.save();
ctx.globalAlpha = this.opacity;