scratchfoundation/paper.js
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Minor clean-ups and optimizations of stroke hit-test code.

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This commit is contained in:
Jürg Lehni 2013-06-15 05:21:17 -07:00
parent 8c09d19f7c
commit 79785afa2a
1 changed files with 13 additions and 9 deletions
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22
src/path/Path.js
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@ -1734,8 +1734,8 @@ var Path = PathItem.extend(/** @lends Path# */{
// If we're asked to query for segments, ends or handles, do all that
// before stroke or fill.
if (options.ends && !options.segments && !closed) {
if (res = checkSegmentPoints(this.getFirstSegment(), true)
|| checkSegmentPoints(this.getLastSegment(), true))
if (res = checkSegmentPoints(segments[0], true)
|| checkSegmentPoints(segments[segments.length - 1], true))
return res;
} else if (options.segments || options.handles) {
for (var i = 0, l = segments.length; i < l; i++) {
@ -1750,8 +1750,8 @@ var Path = PathItem.extend(/** @lends Path# */{
// Now see if we're on a segment, and if so, check for its
// stroke join / cap first. If not, do a normal radius check
// for round strokes.
var param = loc.getParameter();
if (param === 0 || param === 1) {
var parameter = loc.getParameter();
if (parameter === 0 || parameter === 1) {
if (!checkSegmentStroke(loc.getSegment()))
loc = null;
} else if (loc._distance > radius) {
@ -1764,8 +1764,10 @@ var Path = PathItem.extend(/** @lends Path# */{
for (var i = 0, l = segments.length; i < l; i++) {
var segment = segments[i];
if (point.getDistance(segment._point) <= miterLimit
&& checkSegmentStroke(segment))
&& checkSegmentStroke(segment)) {
loc = segment.getLocation();
break;
}
}
}
}
@ -2586,10 +2588,12 @@ statics: {
// possible.
var strokeWidth = style.getStrokeColor() ? style.getStrokeWidth() : 0,
joinWidth = strokeWidth;
if (style.getStrokeJoin() === 'miter')
joinWidth = strokeWidth * style.getMiterLimit();
if (style.getStrokeCap() === 'square')
joinWidth = Math.max(joinWidth, strokeWidth * Math.sqrt(2));
if (strokeWidth > 0) {
if (style.getStrokeJoin() === 'miter')
joinWidth = strokeWidth * style.getMiterLimit();
if (style.getStrokeCap() === 'square')
joinWidth = Math.max(joinWidth, strokeWidth * Math.sqrt(2));
}
return Path.getHandleBounds(segments, closed, style, matrix,
strokeWidth, joinWidth);
}