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Replaced removeUnusedGrads with a more generic removeUnusedDefElems to remove unused filters, markers, etc 

git-svn-id: http://svg-edit.googlecode.com/svn/trunk@1554 eee81c28-f429-11dd-99c0-75d572ba1ddd
master
Alexis Deveria 2010-04-29 15:30:56 +00:00
parent f78cd75984
commit 122bb4fc22
1 changed files with 24 additions and 23 deletions
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45
editor/svgcanvas.js
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@ -1526,41 +1526,41 @@ function BatchCommand(text) {
};
var getUrlFromAttr = this.getUrlFromAttr;
var removeUnusedGrads = function() {
var removeUnusedDefElems = function() {
var defs = svgcontent.getElementsByTagNameNS(svgns, "defs");
if(!defs || !defs.length) return 0;
var all_els = svgcontent.getElementsByTagNameNS(svgns, '*'),
grad_uses = [],
var defelem_uses = [],
numRemoved = 0;
var attrs = ['fill', 'stroke', 'filter', 'marker-start', 'marker-mid', 'marker-end'];
var alen = attrs.length;
$.each(all_els, function(i, el) {
var fill = getUrlFromAttr(el.getAttribute('fill'));
if(fill) {
grad_uses.push(fill.substr(1));
}
var all_els = svgcontent.getElementsByTagNameNS(svgns, '*');
var all_len = all_els.length;
var stroke = getUrlFromAttr(el.getAttribute('stroke'));
if (stroke) {
grad_uses.push(stroke.substr(1));
for(var i=0; i<all_len; i++) {
var el = all_els[i];
for(var j = 0; j < alen; j++) {
var ref = getUrlFromAttr(el.getAttribute(attrs[j]));
if(ref) defelem_uses.push(ref.substr(1));
}
// gradients can refer to other gradients
var href = el.getAttributeNS(xlinkns, "href");
if (href && href.indexOf('#') == 0) {
grad_uses.push(href.substr(1));
defelem_uses.push(href.substr(1));
}
});
};
var grads = $(svgcontent).find("linearGradient, radialGradient");
grad_ids = [],
i = grads.length;
var defelems = $(svgcontent).find("linearGradient, radialGradient, filter, marker");
defelem_ids = [],
i = defelems.length;
while (i--) {
var grad = grads[i];
var id = grad.id;
if($.inArray(id, grad_uses) == -1) {
var defelem = defelems[i];
var id = defelem.id;
if($.inArray(id, defelem_uses) == -1) {
// Not found, so remove
grad.parentNode.removeChild(grad);
defelem.parentNode.removeChild(defelem);
numRemoved++;
}
}
@ -1579,7 +1579,8 @@ function BatchCommand(text) {
var svgCanvasToString = function() {
// keep calling it until there are none to remove
while (removeUnusedGrads() > 0) {};
while (removeUnusedDefElems() > 0) {};
pathActions.clear(true);
// Keep SVG-Edit comment on top
@ -9057,7 +9058,7 @@ function BatchCommand(text) {
recalculateDimensions: recalculateDimensions,
remapElement: remapElement,
RemoveElementCommand: RemoveElementCommand,
removeUnusedGrads: removeUnusedGrads,
removeUnusedDefElems: removeUnusedDefElems,
resetUndoStack: resetUndoStack,
round: round,
runExtensions: runExtensions,