Made various code optimizations, removing several global and SvgCanvas variables. Also made all keyboard shortcuts preventDefault
git-svn-id: http://svg-edit.googlecode.com/svn/trunk@1126 eee81c28-f429-11dd-99c0-75d572ba1dddmaster
parent
9086e13901
commit
4ba0d002f0
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@ -2111,7 +2111,11 @@ function svg_edit_setup() {
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$.each(keyval.split('/'), function(i, key) {
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$(document).bind('keydown', {combi: key, disableInInput: disInInp}, function(e) {
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fn();
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if(pd) e.preventDefault();
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if(pd) {
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e.preventDefault();
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}
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// Prevent default on ALL keys?
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return false;
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});
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});
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@ -16,16 +16,21 @@
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* ensure undo/redo works perfectly
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*/
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var isOpera = !!window.opera;
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var isWebkit = navigator.userAgent.indexOf("AppleWebKit") != -1;
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if(!window.console) {
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window.console = {};
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window.console.log = function(str) {};
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window.console.dir = function(str) {};
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if(window.opera) {
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window.console.log = function(str) {opera.postError(str);}
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}
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}
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if( isOpera ) {
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window.console.log = function(str) {opera.postError(str);}
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}
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function SvgCanvas(container)
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{
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var isOpera = !!window.opera;
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var isWebkit = navigator.userAgent.indexOf("AppleWebKit") != -1;
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var uiStrings = {
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"pathNodeTooltip":"Drag node to move it. Double-click node to change segment type",
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@ -58,11 +63,9 @@ var svgWhiteList = {
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"switch": ["id", "requiredFeatures", "systemLanguage"],
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"svg": ["id", "height", "requiredFeatures", "systemLanguage", "transform", "viewBox", "width", "xmlns", "xmlns:xlink"],
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"text": ["fill", "fill-opacity", "fill-rule", "font-family", "font-size", "font-style", "font-weight", "id", "opacity", "requiredFeatures", "stroke", "stroke-dasharray", "stroke-dashoffset", "stroke-linecap", "stroke-linejoin", "stroke-miterlimit", "stroke-opacity", "stroke-width", "systemLanguage", "transform", "text-anchor", "x", "xml:space", "y"],
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"title": [],
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"title": []
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};
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function SvgCanvas(c)
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{
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// console.log('Start profiling')
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// setTimeout(function() {
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@ -83,9 +86,11 @@ var fromXml = function(str) {
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return $('<p/>').html(str).text();
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};
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var pathFuncsStrs = ['Moveto','Lineto','CurvetoCubic','CurvetoQuadratic','Arc','LinetoHorizontal','LinetoVertical','CurvetoCubicSmooth','CurvetoQuadraticSmooth']
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var pathFuncs = [0,'ClosePath'];
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$.each(pathFuncsStrs,function(i,s){pathFuncs.push(s+'Abs');pathFuncs.push(s+'Rel');});
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(function() {
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var pathFuncsStrs = ['Moveto','Lineto','CurvetoCubic','CurvetoQuadratic','Arc','LinetoHorizontal','LinetoVertical','CurvetoCubicSmooth','CurvetoQuadraticSmooth'];
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$.each(pathFuncsStrs,function(i,s){pathFuncs.push(s+'Abs');pathFuncs.push(s+'Rel');});
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}());
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// These command objects are used for the Undo/Redo stack
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// attrs contains the values that the attributes had before the change
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@ -94,14 +99,14 @@ function ChangeElementCommand(elem, attrs, text) {
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this.text = text ? ("Change " + elem.tagName + " " + text) : ("Change " + elem.tagName);
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this.newValues = {};
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this.oldValues = attrs;
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for (attr in attrs) {
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for (var attr in attrs) {
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if (attr == "#text") this.newValues[attr] = elem.textContent;
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else this.newValues[attr] = elem.getAttribute(attr);
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}
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this.apply = function() {
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var bChangedTransform = false;
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for( attr in this.newValues ) {
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for(var attr in this.newValues ) {
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if (this.newValues[attr]) {
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if (attr == "#text") this.elem.textContent = this.newValues[attr];
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else this.elem.setAttribute(attr, this.newValues[attr]);
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@ -137,7 +142,7 @@ function ChangeElementCommand(elem, attrs, text) {
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this.unapply = function() {
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var bChangedTransform = false;
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for( attr in this.oldValues ) {
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for(var attr in this.oldValues ) {
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if (this.oldValues[attr]) {
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if (attr == "#text") this.elem.textContent = this.oldValues[attr];
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else this.elem.setAttribute(attr, this.oldValues[attr]);
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@ -363,7 +368,7 @@ function BatchCommand(text) {
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}) );
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// add the corner grips
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for (dir in this.selectorGrips) {
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for (var dir in this.selectorGrips) {
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this.selectorGrips[dir] = this.selectorGroup.appendChild(
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addSvgElementFromJson({
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"element": "circle",
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@ -389,7 +394,7 @@ function BatchCommand(text) {
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this.rotateGrip.setAttribute("display", bShow);
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this.rotateGripConnector.setAttribute("display", bShow);
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var elem = this.selectedElement;
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for (dir in this.selectorGrips) {
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for (var dir in this.selectorGrips) {
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this.selectorGrips[dir].setAttribute("display", bShow);
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}
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if(elem) this.updateGripCursors(canvas.getRotationAngle(elem));
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@ -400,7 +405,7 @@ function BatchCommand(text) {
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var dir_arr = [];
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var steps = Math.round(angle / 45);
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if(steps < 0) steps += 8;
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for (dir in this.selectorGrips) {
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for (var dir in this.selectorGrips) {
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dir_arr.push(dir);
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}
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while(steps > 0) {
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@ -408,7 +413,7 @@ function BatchCommand(text) {
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steps--;
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}
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var i = 0;
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for (dir in this.selectorGrips) {
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for (var dir in this.selectorGrips) {
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this.selectorGrips[dir].setAttribute('style', ("cursor:" + dir_arr[i] + "-resize"));
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i++;
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};
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@ -510,7 +515,7 @@ function BatchCommand(text) {
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};
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if(selected == selectedElements[0]) {
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for(dir in gripCoords) {
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for(var dir in gripCoords) {
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var coords = gripCoords[dir];
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assignAttributes(selectedGrips[dir], {
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cx: coords[0], cy: coords[1]
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@ -799,7 +804,7 @@ function BatchCommand(text) {
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var handle = null;
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if (!window.opera) svgroot.suspendRedraw(suspendLength);
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for (i in attrs) {
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for (var i in attrs) {
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var ns = (i.substr(0,4) == "xml:" ? xmlns :
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i.substr(0,6) == "xlink:" ? xlinkns : null);
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node.setAttributeNS(ns, i, attrs[i]);
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@ -812,24 +817,24 @@ function BatchCommand(text) {
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// makes resulting SVG smaller
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var cleanupElement = function(element) {
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var handle = svgroot.suspendRedraw(60);
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if (element.getAttribute('fill-opacity') == '1')
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element.removeAttribute('fill-opacity');
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if (element.getAttribute('opacity') == '1')
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element.removeAttribute('opacity');
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if (element.getAttribute('stroke') == 'none')
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element.removeAttribute('stroke');
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if (element.getAttribute('stroke-dasharray') == 'none')
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element.removeAttribute('stroke-dasharray');
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if (element.getAttribute('stroke-opacity') == '1')
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element.removeAttribute('stroke-opacity');
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if (element.getAttribute('stroke-width') == '1')
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element.removeAttribute('stroke-width');
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if (element.getAttribute('rx') == '0')
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element.removeAttribute('rx')
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if (element.getAttribute('ry') == '0')
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element.removeAttribute('ry')
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if (element.getAttribute('display') == 'inline')
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element.removeAttribute('display');
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var defaults = {
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'fill-opacity':1,
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'opacity':1,
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'stroke':'none',
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'stroke-dasharray':'none',
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'stroke-opacity':1,
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'stroke-width':1,
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'rx':0,
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'ry':0,
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'display':'inline'
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}
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for(var attr in defaults) {
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var val = defaults[attr];
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if(element.getAttribute(attr) == val) {
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element.removeAttribute(attr);
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}
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}
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svgroot.unsuspendRedraw(handle);
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};
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@ -854,12 +859,11 @@ function BatchCommand(text) {
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// TODO: declare the variables and set them as null, then move this setup stuff to
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// an initialization function - probably just use clear()
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var canvas = this;
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var container = c;
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var svgns = "http://www.w3.org/2000/svg";
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var xlinkns = "http://www.w3.org/1999/xlink";
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var xmlns = "http://www.w3.org/XML/1998/namespace";
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var idprefix = "svg_";
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var svgdoc = c.ownerDocument;
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var svgdoc = container.ownerDocument;
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var svgroot = svgdoc.createElementNS(svgns, "svg");
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svgroot.setAttribute("width", 640);
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svgroot.setAttribute("height", 480);
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@ -873,16 +877,20 @@ function BatchCommand(text) {
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svgcontent.setAttribute("xmlns", svgns);
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svgcontent.setAttribute("xmlns:xlink", xlinkns);
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svgroot.appendChild(svgcontent);
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// TODO: make this string optional and set by the client
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// TODO: make sure this is always at the top of the SVG file right underneath the <svg> element
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var comment = svgdoc.createComment(" Created with SVG-edit - http://svg-edit.googlecode.com/ ");
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svgcontent.appendChild(comment);
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// TODO For Issue 208: this is a start on a thumbnail
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// var svgthumb = svgdoc.createElementNS(svgns, "use");
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// svgthumb.setAttribute('width', '100');
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// svgthumb.setAttribute('height', '100');
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// svgthumb.setAttributeNS(xlinkns, 'href', '#svgcontent');
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// svgroot.appendChild(svgthumb);
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(function() {
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// TODO: make this string optional and set by the client
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var comment = svgdoc.createComment(" Created with SVG-edit - http://svg-edit.googlecode.com/ ");
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svgcontent.appendChild(comment);
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// TODO For Issue 208: this is a start on a thumbnail
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// var svgthumb = svgdoc.createElementNS(svgns, "use");
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// svgthumb.setAttribute('width', '100');
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// svgthumb.setAttribute('height', '100');
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// svgthumb.setAttributeNS(xlinkns, 'href', '#svgcontent');
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// svgroot.appendChild(svgthumb);
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});
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// z-ordered array of tuples containing layer names and <g> elements
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// the first layer is the one at the bottom of the rendering
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var all_layers = [];
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@ -927,10 +935,13 @@ function BatchCommand(text) {
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var cur_text = all_properties.text;
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var cur_properties = cur_shape;
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var freehand_min_x = null;
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var freehand_max_x = null;
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var freehand_min_y = null;
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var freehand_max_y = null;
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var freehand = {
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minx: null,
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miny: null,
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maxx: null,
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maxy: null
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};
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var current_path = null;
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var current_path_pts = [];
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var current_path_pt = -1;
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@ -1158,7 +1169,7 @@ function BatchCommand(text) {
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var attr;
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var i;
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var childs = elem.childNodes;
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for (i=0; i<indent; i++) out.push(" ");
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for (var i=0; i<indent; i++) out.push(" ");
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out.push("<"); out.push(elem.nodeName);
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if(elem.id == 'svgcontent') {
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// Process root element separately; Prevents errors caused
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@ -1167,7 +1178,7 @@ function BatchCommand(text) {
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out.push(' width="' + res.w + '" height="' + res.h
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+ '" xmlns:xlink="'+xlinkns+'" xmlns="'+svgns+'"');
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} else {
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for (i=attrs.length-1; i>=0; i--) {
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for (var i=attrs.length-1; i>=0; i--) {
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attr = attrs.item(i);
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var attrVal = attr.nodeValue;
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@ -1210,7 +1221,7 @@ function BatchCommand(text) {
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out.push(">");
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indent++;
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var bOneLine = false;
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for (i=0; i<childs.length; i++)
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for (var i=0; i<childs.length; i++)
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{
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var child = childs.item(i);
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if (child.id == "selectorParentGroup") continue;
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@ -1238,7 +1249,7 @@ function BatchCommand(text) {
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indent--;
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if (!bOneLine) {
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out.push("\n");
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for (i=0; i<indent; i++) out.push(" ");
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for (var i=0; i<indent; i++) out.push(" ");
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}
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out.push("</"); out.push(elem.nodeName); out.push(">");
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} else {
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@ -1322,10 +1333,7 @@ function BatchCommand(text) {
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};
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// this is how we map paths to our preferred relative segment types
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var pathMap = [ 0, 'z', 'M', 'M', 'L', 'L', 'C', 'C', 'Q', 'Q', 'A', 'A',
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'L', 'L', 'L', 'L', // TODO: be less lazy below and map them to h and v
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'S', 'S', 'T', 'T' ];
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var truePathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a',
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var pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a',
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'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];
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var logMatrix = function(m) {
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@ -1466,7 +1474,7 @@ function BatchCommand(text) {
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for (var i = 0; i < len; ++i) {
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var seg = changes["d"][i];
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var type = seg.type;
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dstr += truePathMap[type];
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dstr += pathMap[type];
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switch(type) {
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case 13: // relative horizontal line (h)
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case 12: // absolute horizontal line (H)
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@ -2182,7 +2190,6 @@ function BatchCommand(text) {
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// Some global variables that we may need to refactor
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var root_sctm = null;
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var mouse_target = null;
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// A (hopefully) quicker function to transform a point by a matrix
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// (this function avoids any DOM calls and just does the math)
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@ -2356,7 +2363,7 @@ function BatchCommand(text) {
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start_y = y;
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// find mouse target
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mouse_target = evt.target;
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var mouse_target = evt.target;
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// go up until we hit a child of a layer
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while (mouse_target.parentNode.parentNode.tagName == "g") {
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mouse_target = mouse_target.parentNode;
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@ -2494,10 +2501,10 @@ function BatchCommand(text) {
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"style": "pointer-events:none"
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}
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});
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freehand_min_x = x;
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freehand_max_x = x;
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freehand_min_y = y;
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freehand_max_y = y;
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freehand.minx = x;
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freehand.maxx = x;
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freehand.miny = y;
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freehand.miny = y;
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break;
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case "image":
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started = true;
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@ -2804,7 +2811,7 @@ function BatchCommand(text) {
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}
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len = newList.length;
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for (i = 0; i < len; ++i) { if (newList[i]) elemsToAdd.push(newList[i]); }
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for (var i = 0; i < len; ++i) { if (newList[i]) elemsToAdd.push(newList[i]); }
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if (elemsToRemove.length > 0)
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canvas.removeFromSelection(elemsToRemove);
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@ -2945,10 +2952,10 @@ function BatchCommand(text) {
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break;
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case "fhellipse":
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case "fhrect":
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freehand_min_x = Math.min(x, freehand_min_x);
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freehand_max_x = Math.max(x, freehand_max_x);
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freehand_min_y = Math.min(y, freehand_min_y);
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freehand_max_y = Math.max(y, freehand_max_y);
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freehand.minx = Math.min(x, freehand.minx);
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freehand.maxx = Math.max(x, freehand.maxx);
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freehand.miny = Math.min(y, freehand.miny);
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freehand.maxy = Math.max(y, freehand.maxy);
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// break; missing on purpose
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case "fhpath":
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start_x = x;
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@ -4089,15 +4096,15 @@ function BatchCommand(text) {
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keep = (element.rx.baseVal.value && element.ry.baseVal.value);
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break;
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case "fhellipse":
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if ((freehand_max_x - freehand_min_x) > 0 &&
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(freehand_max_y - freehand_min_y) > 0) {
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if ((freehand.maxx - freehand.minx) > 0 &&
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(freehand.maxy - freehand.miny) > 0) {
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element = addSvgElementFromJson({
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"element": "ellipse",
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"attr": {
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"cx": (freehand_min_x + freehand_max_x) / 2,
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"cy": (freehand_min_y + freehand_max_y) / 2,
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"rx": (freehand_max_x - freehand_min_x) / 2,
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"ry": (freehand_max_y - freehand_min_y) / 2,
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"cx": (freehand.minx + freehand.maxx) / 2,
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"cy": (freehand.miny + freehand.maxy) / 2,
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"rx": (freehand.maxx - freehand.minx) / 2,
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"ry": (freehand.maxy - freehand.miny) / 2,
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"id": getId(),
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"fill": cur_shape.fill,
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"stroke": cur_shape.stroke,
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@ -4119,10 +4126,10 @@ function BatchCommand(text) {
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element = addSvgElementFromJson({
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"element": "rect",
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"attr": {
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"x": freehand_min_x,
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"y": freehand_min_y,
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"width": (freehand_max_x - freehand_min_x),
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"height": (freehand_max_y - freehand_min_y),
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"x": freehand.minx,
|
||||
"y": freehand.miny,
|
||||
"width": (freehand.maxx - freehand.minx),
|
||||
"height": (freehand.maxy - freehand.miny),
|
||||
"id": getId(),
|
||||
"fill": cur_shape.fill,
|
||||
"stroke": cur_shape.stroke,
|
||||
|
@ -5690,7 +5697,7 @@ function BatchCommand(text) {
|
|||
call("changed", [current_path]);
|
||||
}
|
||||
|
||||
this.quickClone = function(elem) {
|
||||
var ffClone = function(elem) {
|
||||
// Hack for Firefox bugs where text element features aren't updated
|
||||
if(navigator.userAgent.indexOf('Gecko/') == -1) return elem;
|
||||
var clone = elem.cloneNode(true)
|
||||
|
@ -5763,7 +5770,7 @@ function BatchCommand(text) {
|
|||
if (attr == "#text") {
|
||||
var old_w = canvas.getBBox(elem).width;
|
||||
elem.textContent = newValue;
|
||||
elem = canvas.quickClone(elem);
|
||||
elem = ffClone(elem);
|
||||
|
||||
// Hoped to solve the issue of moving text with text-anchor="start",
|
||||
// but this doesn't actually fix it. Hopefully on the right track, though. -Fyrd
|
||||
|
@ -5787,11 +5794,11 @@ function BatchCommand(text) {
|
|||
else elem.setAttribute(attr, newValue);
|
||||
if (i==0)
|
||||
selectedBBoxes[i] = this.getBBox(elem);
|
||||
// Use the Firefox quickClone hack for text elements with gradients or
|
||||
// Use the Firefox ffClone hack for text elements with gradients or
|
||||
// where other text attributes are changed.
|
||||
if(elem.nodeName == 'text') {
|
||||
if((newValue+'').indexOf('url') == 0 || $.inArray(attr, ['font-size','font-family','x','y']) != -1) {
|
||||
elem = canvas.quickClone(elem);
|
||||
elem = ffClone(elem);
|
||||
}
|
||||
}
|
||||
// Timeout needed for Opera & Firefox
|
||||
|
|
Loading…
Reference in New Issue