scratchfoundation/paper.js
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Simplify Path#draw() by defining a private drawSegment() that's used to close paths too.

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This commit is contained in:
Jürg Lehni 2011-06-04 15:16:21 +01:00
parent 4cc3ef87cd
commit 91886211b5
1 changed files with 11 additions and 14 deletions
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25
src/path/Path.js
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@ -723,37 +723,34 @@ var Path = this.Path = PathItem.extend({
var segments = this._segments,
length = segments.length,
handleOut, outX, outY;
for (var i = 0; i < length; i++) {
function drawSegment(i) {
var segment = segments[i],
point = segment._point,
x = point._x,
y = point._y,
handleIn = segment._handleIn;
if (i == 0) {
if (!handleOut) {
ctx.moveTo(x, y);
} else {
if (handleIn.isZero() && handleOut.isZero()) {
ctx.lineTo(x, y);
} else {
ctx.bezierCurveTo(outX, outY,
handleIn._x + x, handleIn._y + y,
x, y);
handleIn._x + x, handleIn._y + y, x, y);
}
}
handleOut = segment._handleOut;
outX = handleOut._x + x;
outY = handleOut._y + y;
}
if (this._closed && length > 1) {
var segment = segments[0],
point = segment._point,
x = point._x,
y = point._y,
handleIn = segment._handleIn;
ctx.bezierCurveTo(outX, outY,
handleIn._x + x, handleIn._y + y, x, y);
ctx.closePath();
}
for (var i = 0; i < length; i++)
drawSegment(i);
// Close path by drawing first segment again
if (this._closed && length > 1)
drawSegment(0);
// If we are drawing the selection of a path, stroke it and draw
// its handles:
if (param.selection) {