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Merge pull request #7732 from yurydelendik/svg-cgrp

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Removes SVG this.cgrp usages.
This commit is contained in:
Tim van der Meij 2016-10-18 00:57:52 +02:00 committed by GitHub
commit 1783f14511
1 changed files with 35 additions and 17 deletions
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52
src/display/svg.js
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@ -275,8 +275,8 @@ var SVGExtraState = (function SVGExtraStateClosure() {
this.dependencies = [];
// Clipping
this.clipId = '';
this.pendingClip = false;
this.activeClipUrl = null;
this.clipGroup = null;
this.maskId = '';
}
@ -906,26 +906,31 @@ var SVGGraphics = (function SVGGraphicsClosure() {
clip: function SVGGraphics_clip(type) {
var current = this.current;
// Add current path to clipping path
current.clipId = 'clippath' + clipCount;
var clipId = 'clippath' + clipCount;
clipCount++;
this.clippath = document.createElementNS(NS, 'svg:clipPath');
this.clippath.setAttributeNS(null, 'id', current.clipId);
var clipPath = document.createElementNS(NS, 'svg:clipPath');
clipPath.setAttributeNS(null, 'id', clipId);
clipPath.setAttributeNS(null, 'transform', pm(this.transformMatrix));
var clipElement = current.element.cloneNode();
if (type === 'evenodd') {
clipElement.setAttributeNS(null, 'clip-rule', 'evenodd');
} else {
clipElement.setAttributeNS(null, 'clip-rule', 'nonzero');
}
this.clippath.setAttributeNS(null, 'transform', pm(this.transformMatrix));
this.clippath.appendChild(clipElement);
this.defs.appendChild(this.clippath);
clipPath.appendChild(clipElement);
this.defs.appendChild(clipPath);
// Create a clipping group that references the clipping path.
current.pendingClip = true;
this.cgrp = document.createElementNS(NS, 'svg:g');
this.cgrp.setAttributeNS(null, 'clip-path',
'url(#' + current.clipId + ')');
this.svg.appendChild(this.cgrp);
if (current.activeClipUrl) {
// The previous clipping group content can go out of order -- resetting
// cached clipGroup's.
current.clipGroup = null;
this.extraStack.forEach(function (prev) {
prev.clipGroup = null;
});
}
current.activeClipUrl = 'url(#' + clipId + ')';
this.tgrp = null;
},
closePath: function SVGGraphics_closePath() {
@ -1164,6 +1169,20 @@ var SVGGraphics = (function SVGGraphicsClosure() {
return svg;
},
/**
* @private
*/
_ensureClipGroup: function SVGGraphics_ensureClipGroup() {
if (!this.current.clipGroup) {
var clipGroup = document.createElementNS(NS, 'svg:g');
clipGroup.setAttributeNS(null, 'clip-path',
this.current.activeClipUrl);
this.svg.appendChild(clipGroup);
this.current.clipGroup = clipGroup;
}
return this.current.clipGroup;
},
/**
* @private
*/
@ -1171,9 +1190,8 @@ var SVGGraphics = (function SVGGraphicsClosure() {
if (!this.tgrp) {
this.tgrp = document.createElementNS(NS, 'svg:g');
this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));
if (this.current.pendingClip) {
this.cgrp.appendChild(this.tgrp);
if (this.current.activeClipUrl) {
this._ensureClipGroup().appendChild(this.tgrp);
} else {
this.svg.appendChild(this.tgrp);
}