1395 lines
55 KiB
JavaScript
1395 lines
55 KiB
JavaScript
/* http://keith-wood.name/svg.html
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SVG for jQuery v1.4.5.
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Written by Keith Wood (kbwood{at}iinet.com.au) August 2007.
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Dual licensed under the GPL (http://dev.jquery.com/browser/trunk/jquery/GPL-LICENSE.txt) and
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MIT (http://dev.jquery.com/browser/trunk/jquery/MIT-LICENSE.txt) licenses.
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Please attribute the author if you use it. */
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(function($) { // Hide scope, no $ conflict
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/* SVG manager.
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Use the singleton instance of this class, $.svg,
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to interact with the SVG functionality. */
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function SVGManager() {
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this._settings = []; // Settings to be remembered per SVG object
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this._extensions = []; // List of SVG extensions added to SVGWrapper
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// for each entry [0] is extension name, [1] is extension class (function)
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// the function takes one parameter - the SVGWrapper instance
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this.regional = []; // Localisations, indexed by language, '' for default (English)
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this.regional[''] = {errorLoadingText: 'Error loading',
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notSupportedText: 'This browser does not support SVG'};
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this.local = this.regional['']; // Current localisation
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this._uuid = new Date().getTime();
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this._renesis = detectActiveX('RenesisX.RenesisCtrl');
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}
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/* Determine whether a given ActiveX control is available.
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@param classId (string) the ID for the ActiveX control
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@return (boolean) true if found, false if not */
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function detectActiveX(classId) {
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try {
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return !!(window.ActiveXObject && new ActiveXObject(classId));
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}
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catch (e) {
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return false;
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}
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}
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var PROP_NAME = 'svgwrapper';
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$.extend(SVGManager.prototype, {
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/* Class name added to elements to indicate already configured with SVG. */
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markerClassName: 'hasSVG',
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/* SVG namespace. */
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svgNS: 'http://www.w3.org/2000/svg',
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/* XLink namespace. */
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xlinkNS: 'http://www.w3.org/1999/xlink',
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/* SVG wrapper class. */
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_wrapperClass: SVGWrapper,
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/* Camel-case versions of attribute names containing dashes or are reserved words. */
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_attrNames: {class_: 'class', in_: 'in',
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alignmentBaseline: 'alignment-baseline', baselineShift: 'baseline-shift',
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clipPath: 'clip-path', clipRule: 'clip-rule',
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colorInterpolation: 'color-interpolation',
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colorInterpolationFilters: 'color-interpolation-filters',
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colorRendering: 'color-rendering', dominantBaseline: 'dominant-baseline',
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enableBackground: 'enable-background', fillOpacity: 'fill-opacity',
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fillRule: 'fill-rule', floodColor: 'flood-color',
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floodOpacity: 'flood-opacity', fontFamily: 'font-family',
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fontSize: 'font-size', fontSizeAdjust: 'font-size-adjust',
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fontStretch: 'font-stretch', fontStyle: 'font-style',
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fontVariant: 'font-variant', fontWeight: 'font-weight',
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glyphOrientationHorizontal: 'glyph-orientation-horizontal',
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glyphOrientationVertical: 'glyph-orientation-vertical',
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horizAdvX: 'horiz-adv-x', horizOriginX: 'horiz-origin-x',
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imageRendering: 'image-rendering', letterSpacing: 'letter-spacing',
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lightingColor: 'lighting-color', markerEnd: 'marker-end',
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markerMid: 'marker-mid', markerStart: 'marker-start',
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stopColor: 'stop-color', stopOpacity: 'stop-opacity',
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strikethroughPosition: 'strikethrough-position',
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strikethroughThickness: 'strikethrough-thickness',
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strokeDashArray: 'stroke-dasharray', strokeDashOffset: 'stroke-dashoffset',
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strokeLineCap: 'stroke-linecap', strokeLineJoin: 'stroke-linejoin',
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strokeMiterLimit: 'stroke-miterlimit', strokeOpacity: 'stroke-opacity',
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strokeWidth: 'stroke-width', textAnchor: 'text-anchor',
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textDecoration: 'text-decoration', textRendering: 'text-rendering',
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underlinePosition: 'underline-position', underlineThickness: 'underline-thickness',
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vertAdvY: 'vert-adv-y', vertOriginY: 'vert-origin-y',
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wordSpacing: 'word-spacing', writingMode: 'writing-mode'},
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/* Add the SVG object to its container. */
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_attachSVG: function(container, settings) {
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var svg = (container.namespaceURI == this.svgNS ? container : null);
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var container = (svg ? null : container);
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if ($(container || svg).hasClass(this.markerClassName)) {
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return;
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}
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if (typeof settings == 'string') {
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settings = {loadURL: settings};
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}
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else if (typeof settings == 'function') {
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settings = {onLoad: settings};
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}
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$(container || svg).addClass(this.markerClassName);
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try {
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if (!svg) {
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svg = document.createElementNS(this.svgNS, 'svg');
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svg.setAttribute('version', '1.1');
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if (container.clientWidth > 0) {
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svg.setAttribute('width', container.clientWidth);
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}
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if (container.clientHeight > 0) {
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svg.setAttribute('height', container.clientHeight);
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}
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container.appendChild(svg);
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}
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this._afterLoad(container, svg, settings || {});
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}
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catch (e) {
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if ($.browser.msie) {
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if (!container.id) {
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container.id = 'svg' + (this._uuid++);
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}
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this._settings[container.id] = settings;
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container.innerHTML = '<embed type="image/svg+xml" width="100%" ' +
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'height="100%" src="' + (settings.initPath || '') + 'blank.svg" ' +
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'pluginspage="http://www.adobe.com/svg/viewer/install/main.html"/>';
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}
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else {
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container.innerHTML = '<p class="svg_error">' +
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this.local.notSupportedText + '</p>';
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}
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}
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},
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/* SVG callback after loading - register SVG root. */
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_registerSVG: function() {
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for (var i = 0; i < document.embeds.length; i++) { // Check all
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var container = document.embeds[i].parentNode;
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if (!$(container).hasClass($.svg.markerClassName) || // Not SVG
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$.data(container, PROP_NAME)) { // Already done
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continue;
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}
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var svg = null;
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try {
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svg = document.embeds[i].getSVGDocument();
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}
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catch(e) {
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setTimeout($.svg._registerSVG, 250); // Renesis takes longer to load
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return;
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}
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svg = (svg ? svg.documentElement : null);
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if (svg) {
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$.svg._afterLoad(container, svg);
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}
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}
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},
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/* Post-processing once loaded. */
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_afterLoad: function(container, svg, settings) {
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var settings = settings || this._settings[container.id];
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this._settings[container ? container.id : ''] = null;
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var wrapper = new this._wrapperClass(svg, container);
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$.data(container || svg, PROP_NAME, wrapper);
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try {
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if (settings.loadURL) { // Load URL
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wrapper.load(settings.loadURL, settings);
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}
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if (settings.settings) { // Additional settings
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wrapper.configure(settings.settings);
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}
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if (settings.onLoad && !settings.loadURL) { // Onload callback
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settings.onLoad.apply(container || svg, [wrapper]);
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}
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}
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catch (e) {
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alert(e);
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}
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},
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/* Return the SVG wrapper created for a given container.
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@param container (string) selector for the container or
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(element) the container for the SVG object or
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jQuery collection - first entry is the container
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@return (SVGWrapper) the corresponding SVG wrapper element, or null if not attached */
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_getSVG: function(container) {
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container = (typeof container == 'string' ? $(container)[0] :
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(container.jquery ? container[0] : container));
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return $.data(container, PROP_NAME);
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},
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/* Remove the SVG functionality from a div.
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@param container (element) the container for the SVG object */
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_destroySVG: function(container) {
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var $container = $(container);
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if (!$container.hasClass(this.markerClassName)) {
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return;
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}
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$container.removeClass(this.markerClassName);
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if (container.namespaceURI != this.svgNS) {
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$container.empty();
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}
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$.removeData(container, PROP_NAME);
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},
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/* Extend the SVGWrapper object with an embedded class.
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The constructor function must take a single parameter that is
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a reference to the owning SVG root object. This allows the
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extension to access the basic SVG functionality.
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@param name (string) the name of the SVGWrapper attribute to access the new class
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@param extClass (function) the extension class constructor */
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addExtension: function(name, extClass) {
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this._extensions.push([name, extClass]);
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},
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/* Does this node belong to SVG?
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@param node (element) the node to be tested
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@return (boolean) true if an SVG node, false if not */
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isSVGElem: function(node) {
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return (node.nodeType == 1 && node.namespaceURI == $.svg.svgNS);
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}
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});
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/* The main SVG interface, which encapsulates the SVG element.
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Obtain a reference from $().svg('get') */
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function SVGWrapper(svg, container) {
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this._svg = svg; // The SVG root node
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this._container = container; // The containing div
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for (var i = 0; i < $.svg._extensions.length; i++) {
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var extension = $.svg._extensions[i];
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this[extension[0]] = new extension[1](this);
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}
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}
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$.extend(SVGWrapper.prototype, {
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/* Retrieve the width of the SVG object. */
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_width: function() {
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return (this._container ? this._container.clientWidth : this._svg.width);
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},
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/* Retrieve the height of the SVG object. */
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_height: function() {
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return (this._container ? this._container.clientHeight : this._svg.height);
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},
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/* Retrieve the root SVG element.
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@return the top-level SVG element */
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root: function() {
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return this._svg;
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},
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/* Configure a SVG node.
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@param node (element, optional) the node to configure
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@param settings (object) additional settings for the root
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@param clear (boolean) true to remove existing attributes first,
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false to add to what is already there (optional)
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@return (SVGWrapper) this root */
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configure: function(node, settings, clear) {
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if (!node.nodeName) {
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clear = settings;
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settings = node;
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node = this._svg;
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}
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if (clear) {
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for (var i = node.attributes.length - 1; i >= 0; i--) {
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var attr = node.attributes.item(i);
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if (!(attr.nodeName == 'onload' || attr.nodeName == 'version' ||
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attr.nodeName.substring(0, 5) == 'xmlns')) {
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node.attributes.removeNamedItem(attr.nodeName);
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}
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}
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}
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for (var attrName in settings) {
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node.setAttribute($.svg._attrNames[attrName] || attrName, settings[attrName]);
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}
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return this;
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},
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/* Locate a specific element in the SVG document.
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@param id (string) the element's identifier
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@return (element) the element reference, or null if not found */
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getElementById: function(id) {
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return this._svg.ownerDocument.getElementById(id);
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},
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/* Change the attributes for a SVG node.
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@param element (SVG element) the node to change
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@param settings (object) the new settings
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@return (SVGWrapper) this root */
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change: function(element, settings) {
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if (element) {
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for (var name in settings) {
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if (settings[name] == null) {
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element.removeAttribute($.svg._attrNames[name] || name);
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}
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else {
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element.setAttribute($.svg._attrNames[name] || name, settings[name]);
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}
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}
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}
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return this;
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},
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/* Check for parent being absent and adjust arguments accordingly. */
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_args: function(values, names, optSettings) {
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names.splice(0, 0, 'parent');
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names.splice(names.length, 0, 'settings');
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var args = {};
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var offset = 0;
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if (values[0] != null && values[0].jquery) {
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values[0] = values[0][0];
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}
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if (values[0] != null && !(typeof values[0] == 'object' && values[0].nodeName)) {
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args['parent'] = null;
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offset = 1;
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}
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for (var i = 0; i < values.length; i++) {
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args[names[i + offset]] = values[i];
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}
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if (optSettings) {
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$.each(optSettings, function(i, value) {
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if (typeof args[value] == 'object') {
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args.settings = args[value];
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args[value] = null;
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}
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});
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}
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return args;
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},
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/* Add a title.
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@param parent (element or jQuery) the parent node for the new title (optional)
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@param text (string) the text of the title
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@param settings (object) additional settings for the title (optional)
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@return (element) the new title node */
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title: function(parent, text, settings) {
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var args = this._args(arguments, ['text']);
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var node = this._makeNode(args.parent, 'title', args.settings || {});
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node.appendChild(this._svg.ownerDocument.createTextNode(args.text));
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return node;
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},
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/* Add a description.
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@param parent (element or jQuery) the parent node for the new description (optional)
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@param text (string) the text of the description
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@param settings (object) additional settings for the description (optional)
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@return (element) the new description node */
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describe: function(parent, text, settings) {
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var args = this._args(arguments, ['text']);
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var node = this._makeNode(args.parent, 'desc', args.settings || {});
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node.appendChild(this._svg.ownerDocument.createTextNode(args.text));
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return node;
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},
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/* Add a definitions node.
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@param parent (element or jQuery) the parent node for the new definitions (optional)
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@param id (string) the ID of this definitions (optional)
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@param settings (object) additional settings for the definitions (optional)
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@return (element) the new definitions node */
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defs: function(parent, id, settings) {
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var args = this._args(arguments, ['id'], ['id']);
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return this._makeNode(args.parent, 'defs', $.extend(
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(args.id ? {id: args.id} : {}), args.settings || {}));
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},
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/* Add a symbol definition.
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@param parent (element or jQuery) the parent node for the new symbol (optional)
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@param id (string) the ID of this symbol
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@param x1 (number) the left coordinate for this symbol
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@param y1 (number) the top coordinate for this symbol
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@param width (number) the width of this symbol
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@param height (number) the height of this symbol
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@param settings (object) additional settings for the symbol (optional)
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@return (element) the new symbol node */
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symbol: function(parent, id, x1, y1, width, height, settings) {
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var args = this._args(arguments, ['id', 'x1', 'y1', 'width', 'height']);
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return this._makeNode(args.parent, 'symbol', $.extend({id: args.id,
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viewBox: args.x1 + ' ' + args.y1 + ' ' + args.width + ' ' + args.height},
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args.settings || {}));
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},
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/* Add a marker definition.
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@param parent (element or jQuery) the parent node for the new marker (optional)
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@param id (string) the ID of this marker
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@param refX (number) the x-coordinate for the reference point
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@param refY (number) the y-coordinate for the reference point
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@param mWidth (number) the marker viewport width
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@param mHeight (number) the marker viewport height
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@param orient (string or int) 'auto' or angle (degrees) (optional)
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@param settings (object) additional settings for the marker (optional)
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@return (element) the new marker node */
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marker: function(parent, id, refX, refY, mWidth, mHeight, orient, settings) {
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var args = this._args(arguments, ['id', 'refX', 'refY',
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'mWidth', 'mHeight', 'orient'], ['orient']);
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return this._makeNode(args.parent, 'marker', $.extend(
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{id: args.id, refX: args.refX, refY: args.refY, markerWidth: args.mWidth,
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markerHeight: args.mHeight, orient: args.orient || 'auto'}, args.settings || {}));
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},
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/* Add a style node.
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@param parent (element or jQuery) the parent node for the new node (optional)
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@param styles (string) the CSS styles
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@param settings (object) additional settings for the node (optional)
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@return (element) the new style node */
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style: function(parent, styles, settings) {
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var args = this._args(arguments, ['styles']);
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var node = this._makeNode(args.parent, 'style', $.extend(
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{type: 'text/css'}, args.settings || {}));
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node.appendChild(this._svg.ownerDocument.createTextNode(args.styles));
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if ($.browser.opera) {
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$('head').append('<style type="text/css">' + args.styles + '</style>');
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}
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return node;
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},
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/* Add a script node.
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@param parent (element or jQuery) the parent node for the new node (optional)
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@param script (string) the JavaScript code
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@param type (string) the MIME type for the code (optional, default 'text/javascript')
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@param settings (object) additional settings for the node (optional)
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@return (element) the new script node */
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script: function(parent, script, type, settings) {
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var args = this._args(arguments, ['script', 'type'], ['type']);
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var node = this._makeNode(args.parent, 'script', $.extend(
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{type: args.type || 'text/javascript'}, args.settings || {}));
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node.appendChild(this._svg.ownerDocument.createTextNode(args.script));
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if (!$.browser.mozilla) {
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$.globalEval(args.script);
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}
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return node;
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},
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/* Add a linear gradient definition.
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Specify all of x1, y1, x2, y2 or none of them.
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@param parent (element or jQuery) the parent node for the new gradient (optional)
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@param id (string) the ID for this gradient
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@param stops (string[][]) the gradient stops, each entry is
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[0] is offset (0.0-1.0 or 0%-100%), [1] is colour,
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[2] is opacity (optional)
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@param x1 (number) the x-coordinate of the gradient start (optional)
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@param y1 (number) the y-coordinate of the gradient start (optional)
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@param x2 (number) the x-coordinate of the gradient end (optional)
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@param y2 (number) the y-coordinate of the gradient end (optional)
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@param settings (object) additional settings for the gradient (optional)
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@return (element) the new gradient node */
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linearGradient: function(parent, id, stops, x1, y1, x2, y2, settings) {
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var args = this._args(arguments,
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['id', 'stops', 'x1', 'y1', 'x2', 'y2'], ['x1']);
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var sets = $.extend({id: args.id},
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(args.x1 != null ? {x1: args.x1, y1: args.y1, x2: args.x2, y2: args.y2} : {}));
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return this._gradient(args.parent, 'linearGradient',
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$.extend(sets, args.settings || {}), args.stops);
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},
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/* Add a radial gradient definition.
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Specify all of cx, cy, r, fx, fy or none of them.
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@param parent (element or jQuery) the parent node for the new gradient (optional)
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@param id (string) the ID for this gradient
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@param stops (string[][]) the gradient stops, each entry
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[0] is offset, [1] is colour, [2] is opacity (optional)
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@param cx (number) the x-coordinate of the largest circle centre (optional)
|
|
@param cy (number) the y-coordinate of the largest circle centre (optional)
|
|
@param r (number) the radius of the largest circle (optional)
|
|
@param fx (number) the x-coordinate of the gradient focus (optional)
|
|
@param fy (number) the y-coordinate of the gradient focus (optional)
|
|
@param settings (object) additional settings for the gradient (optional)
|
|
@return (element) the new gradient node */
|
|
radialGradient: function(parent, id, stops, cx, cy, r, fx, fy, settings) {
|
|
var args = this._args(arguments,
|
|
['id', 'stops', 'cx', 'cy', 'r', 'fx', 'fy'], ['cx']);
|
|
var sets = $.extend({id: args.id}, (args.cx != null ?
|
|
{cx: args.cx, cy: args.cy, r: args.r, fx: args.fx, fy: args.fy} : {}));
|
|
return this._gradient(args.parent, 'radialGradient',
|
|
$.extend(sets, args.settings || {}), args.stops);
|
|
},
|
|
|
|
/* Add a gradient node. */
|
|
_gradient: function(parent, name, settings, stops) {
|
|
var node = this._makeNode(parent, name, settings);
|
|
for (var i = 0; i < stops.length; i++) {
|
|
var stop = stops[i];
|
|
this._makeNode(node, 'stop', $.extend(
|
|
{offset: stop[0], stopColor: stop[1]},
|
|
(stop[2] != null ? {stopOpacity: stop[2]} : {})));
|
|
}
|
|
return node;
|
|
},
|
|
|
|
/* Add a pattern definition.
|
|
Specify all of vx, vy, xwidth, vheight or none of them.
|
|
@param parent (element or jQuery) the parent node for the new pattern (optional)
|
|
@param id (string) the ID for this pattern
|
|
@param x (number) the x-coordinate for the left edge of the pattern
|
|
@param y (number) the y-coordinate for the top edge of the pattern
|
|
@param width (number) the width of the pattern
|
|
@param height (number) the height of the pattern
|
|
@param vx (number) the minimum x-coordinate for view box (optional)
|
|
@param vy (number) the minimum y-coordinate for the view box (optional)
|
|
@param vwidth (number) the width of the view box (optional)
|
|
@param vheight (number) the height of the view box (optional)
|
|
@param settings (object) additional settings for the pattern (optional)
|
|
@return (element) the new pattern node */
|
|
pattern: function(parent, id, x, y, width, height, vx, vy, vwidth, vheight, settings) {
|
|
var args = this._args(arguments, ['id', 'x', 'y', 'width', 'height',
|
|
'vx', 'vy', 'vwidth', 'vheight'], ['vx']);
|
|
var sets = $.extend({id: args.id, x: args.x, y: args.y,
|
|
width: args.width, height: args.height}, (args.vx != null ?
|
|
{viewBox: args.vx + ' ' + args.vy + ' ' + args.vwidth + ' ' + args.vheight} : {}));
|
|
return this._makeNode(args.parent, 'pattern', $.extend(sets, args.settings || {}));
|
|
},
|
|
|
|
/* Add a clip path definition.
|
|
@param parent (element) the parent node for the new element (optional)
|
|
@param id (string) the ID for this path
|
|
@param units (string) either 'userSpaceOnUse' (default) or 'objectBoundingBox' (optional)
|
|
@return (element) the new clipPath node */
|
|
clipPath: function(parent, id, units, settings) {
|
|
var args = this._args(arguments, ['id', 'units']);
|
|
args.units = args.units || 'userSpaceOnUse';
|
|
return this._makeNode(args.parent, 'clipPath', $.extend(
|
|
{id: args.id, clipPathUnits: args.units}, args.settings || {}));
|
|
},
|
|
|
|
/* Add a mask definition.
|
|
@param parent (element or jQuery) the parent node for the new mask (optional)
|
|
@param id (string) the ID for this mask
|
|
@param x (number) the x-coordinate for the left edge of the mask
|
|
@param y (number) the y-coordinate for the top edge of the mask
|
|
@param width (number) the width of the mask
|
|
@param height (number) the height of the mask
|
|
@param settings (object) additional settings for the mask (optional)
|
|
@return (element) the new mask node */
|
|
mask: function(parent, id, x, y, width, height, settings) {
|
|
var args = this._args(arguments, ['id', 'x', 'y', 'width', 'height']);
|
|
return this._makeNode(args.parent, 'mask', $.extend(
|
|
{id: args.id, x: args.x, y: args.y, width: args.width, height: args.height},
|
|
args.settings || {}));
|
|
},
|
|
|
|
/* Create a new path object.
|
|
@return (SVGPath) a new path object */
|
|
createPath: function() {
|
|
return new SVGPath();
|
|
},
|
|
|
|
/* Create a new text object.
|
|
@return (SVGText) a new text object */
|
|
createText: function() {
|
|
return new SVGText();
|
|
},
|
|
|
|
/* Add an embedded SVG element.
|
|
Specify all of vx, vy, vwidth, vheight or none of them.
|
|
@param parent (element or jQuery) the parent node for the new node (optional)
|
|
@param x (number) the x-coordinate for the left edge of the node
|
|
@param y (number) the y-coordinate for the top edge of the node
|
|
@param width (number) the width of the node
|
|
@param height (number) the height of the node
|
|
@param vx (number) the minimum x-coordinate for view box (optional)
|
|
@param vy (number) the minimum y-coordinate for the view box (optional)
|
|
@param vwidth (number) the width of the view box (optional)
|
|
@param vheight (number) the height of the view box (optional)
|
|
@param settings (object) additional settings for the node (optional)
|
|
@return (element) the new node */
|
|
svg: function(parent, x, y, width, height, vx, vy, vwidth, vheight, settings) {
|
|
var args = this._args(arguments, ['x', 'y', 'width', 'height',
|
|
'vx', 'vy', 'vwidth', 'vheight'], ['vx']);
|
|
var sets = $.extend({x: args.x, y: args.y, width: args.width, height: args.height},
|
|
(args.vx != null ? {viewBox: args.vx + ' ' + args.vy + ' ' +
|
|
args.vwidth + ' ' + args.vheight} : {}));
|
|
return this._makeNode(args.parent, 'svg', $.extend(sets, args.settings || {}));
|
|
},
|
|
|
|
/* Create a group.
|
|
@param parent (element or jQuery) the parent node for the new group (optional)
|
|
@param id (string) the ID of this group (optional)
|
|
@param settings (object) additional settings for the group (optional)
|
|
@return (element) the new group node */
|
|
group: function(parent, id, settings) {
|
|
var args = this._args(arguments, ['id'], ['id']);
|
|
return this._makeNode(args.parent, 'g', $.extend({id: args.id}, args.settings || {}));
|
|
},
|
|
|
|
/* Add a usage reference.
|
|
Specify all of x, y, width, height or none of them.
|
|
@param parent (element or jQuery) the parent node for the new node (optional)
|
|
@param x (number) the x-coordinate for the left edge of the node (optional)
|
|
@param y (number) the y-coordinate for the top edge of the node (optional)
|
|
@param width (number) the width of the node (optional)
|
|
@param height (number) the height of the node (optional)
|
|
@param ref (string) the ID of the definition node
|
|
@param settings (object) additional settings for the node (optional)
|
|
@return (element) the new node */
|
|
use: function(parent, x, y, width, height, ref, settings) {
|
|
var args = this._args(arguments, ['x', 'y', 'width', 'height', 'ref']);
|
|
if (typeof args.x == 'string') {
|
|
args.ref = args.x;
|
|
args.settings = args.y;
|
|
args.x = args.y = args.width = args.height = null;
|
|
}
|
|
var node = this._makeNode(args.parent, 'use', $.extend(
|
|
{x: args.x, y: args.y, width: args.width, height: args.height},
|
|
args.settings || {}));
|
|
node.setAttributeNS($.svg.xlinkNS, 'href', args.ref);
|
|
return node;
|
|
},
|
|
|
|
/* Add a link, which applies to all child elements.
|
|
@param parent (element or jQuery) the parent node for the new link (optional)
|
|
@param ref (string) the target URL
|
|
@param settings (object) additional settings for the link (optional)
|
|
@return (element) the new link node */
|
|
link: function(parent, ref, settings) {
|
|
var args = this._args(arguments, ['ref']);
|
|
var node = this._makeNode(args.parent, 'a', args.settings);
|
|
node.setAttributeNS($.svg.xlinkNS, 'href', args.ref);
|
|
return node;
|
|
},
|
|
|
|
/* Add an image.
|
|
@param parent (element or jQuery) the parent node for the new image (optional)
|
|
@param x (number) the x-coordinate for the left edge of the image
|
|
@param y (number) the y-coordinate for the top edge of the image
|
|
@param width (number) the width of the image
|
|
@param height (number) the height of the image
|
|
@param ref (string) the path to the image
|
|
@param settings (object) additional settings for the image (optional)
|
|
@return (element) the new image node */
|
|
image: function(parent, x, y, width, height, ref, settings) {
|
|
var args = this._args(arguments, ['x', 'y', 'width', 'height', 'ref']);
|
|
var node = this._makeNode(args.parent, 'image', $.extend(
|
|
{x: args.x, y: args.y, width: args.width, height: args.height},
|
|
args.settings || {}));
|
|
node.setAttributeNS($.svg.xlinkNS, 'href', args.ref);
|
|
return node;
|
|
},
|
|
|
|
/* Draw a path.
|
|
@param parent (element or jQuery) the parent node for the new shape (optional)
|
|
@param path (string or SVGPath) the path to draw
|
|
@param settings (object) additional settings for the shape (optional)
|
|
@return (element) the new shape node */
|
|
path: function(parent, path, settings) {
|
|
var args = this._args(arguments, ['path']);
|
|
return this._makeNode(args.parent, 'path', $.extend(
|
|
{d: (args.path.path ? args.path.path() : args.path)}, args.settings || {}));
|
|
},
|
|
|
|
/* Draw a rectangle.
|
|
Specify both of rx and ry or neither.
|
|
@param parent (element or jQuery) the parent node for the new shape (optional)
|
|
@param x (number) the x-coordinate for the left edge of the rectangle
|
|
@param y (number) the y-coordinate for the top edge of the rectangle
|
|
@param width (number) the width of the rectangle
|
|
@param height (number) the height of the rectangle
|
|
@param rx (number) the x-radius of the ellipse for the rounded corners (optional)
|
|
@param ry (number) the y-radius of the ellipse for the rounded corners (optional)
|
|
@param settings (object) additional settings for the shape (optional)
|
|
@return (element) the new shape node */
|
|
rect: function(parent, x, y, width, height, rx, ry, settings) {
|
|
var args = this._args(arguments, ['x', 'y', 'width', 'height', 'rx', 'ry'], ['rx']);
|
|
return this._makeNode(args.parent, 'rect', $.extend(
|
|
{x: args.x, y: args.y, width: args.width, height: args.height},
|
|
(args.rx ? {rx: args.rx, ry: args.ry} : {}), args.settings || {}));
|
|
},
|
|
|
|
/* Draw a circle.
|
|
@param parent (element or jQuery) the parent node for the new shape (optional)
|
|
@param cx (number) the x-coordinate for the centre of the circle
|
|
@param cy (number) the y-coordinate for the centre of the circle
|
|
@param r (number) the radius of the circle
|
|
@param settings (object) additional settings for the shape (optional)
|
|
@return (element) the new shape node */
|
|
circle: function(parent, cx, cy, r, settings) {
|
|
var args = this._args(arguments, ['cx', 'cy', 'r']);
|
|
return this._makeNode(args.parent, 'circle', $.extend(
|
|
{cx: args.cx, cy: args.cy, r: args.r}, args.settings || {}));
|
|
},
|
|
|
|
/* Draw an ellipse.
|
|
@param parent (element or jQuery) the parent node for the new shape (optional)
|
|
@param cx (number) the x-coordinate for the centre of the ellipse
|
|
@param cy (number) the y-coordinate for the centre of the ellipse
|
|
@param rx (number) the x-radius of the ellipse
|
|
@param ry (number) the y-radius of the ellipse
|
|
@param settings (object) additional settings for the shape (optional)
|
|
@return (element) the new shape node */
|
|
ellipse: function(parent, cx, cy, rx, ry, settings) {
|
|
var args = this._args(arguments, ['cx', 'cy', 'rx', 'ry']);
|
|
return this._makeNode(args.parent, 'ellipse', $.extend(
|
|
{cx: args.cx, cy: args.cy, rx: args.rx, ry: args.ry}, args.settings || {}));
|
|
},
|
|
|
|
/* Draw a line.
|
|
@param parent (element or jQuery) the parent node for the new shape (optional)
|
|
@param x1 (number) the x-coordinate for the start of the line
|
|
@param y1 (number) the y-coordinate for the start of the line
|
|
@param x2 (number) the x-coordinate for the end of the line
|
|
@param y2 (number) the y-coordinate for the end of the line
|
|
@param settings (object) additional settings for the shape (optional)
|
|
@return (element) the new shape node */
|
|
line: function(parent, x1, y1, x2, y2, settings) {
|
|
var args = this._args(arguments, ['x1', 'y1', 'x2', 'y2']);
|
|
return this._makeNode(args.parent, 'line', $.extend(
|
|
{x1: args.x1, y1: args.y1, x2: args.x2, y2: args.y2}, args.settings || {}));
|
|
},
|
|
|
|
/* Draw a polygonal line.
|
|
@param parent (element or jQuery) the parent node for the new shape (optional)
|
|
@param points (number[][]) the x-/y-coordinates for the points on the line
|
|
@param settings (object) additional settings for the shape (optional)
|
|
@return (element) the new shape node */
|
|
polyline: function(parent, points, settings) {
|
|
var args = this._args(arguments, ['points']);
|
|
return this._poly(args.parent, 'polyline', args.points, args.settings);
|
|
},
|
|
|
|
/* Draw a polygonal shape.
|
|
@param parent (element or jQuery) the parent node for the new shape (optional)
|
|
@param points (number[][]) the x-/y-coordinates for the points on the shape
|
|
@param settings (object) additional settings for the shape (optional)
|
|
@return (element) the new shape node */
|
|
polygon: function(parent, points, settings) {
|
|
var args = this._args(arguments, ['points']);
|
|
return this._poly(args.parent, 'polygon', args.points, args.settings);
|
|
},
|
|
|
|
/* Draw a polygonal line or shape. */
|
|
_poly: function(parent, name, points, settings) {
|
|
var ps = '';
|
|
for (var i = 0; i < points.length; i++) {
|
|
ps += points[i].join() + ' ';
|
|
}
|
|
return this._makeNode(parent, name, $.extend(
|
|
{points: $.trim(ps)}, settings || {}));
|
|
},
|
|
|
|
/* Draw text.
|
|
Specify both of x and y or neither of them.
|
|
@param parent (element or jQuery) the parent node for the text (optional)
|
|
@param x (number or number[]) the x-coordinate(s) for the text (optional)
|
|
@param y (number or number[]) the y-coordinate(s) for the text (optional)
|
|
@param value (string) the text content or
|
|
(SVGText) text with spans and references
|
|
@param settings (object) additional settings for the text (optional)
|
|
@return (element) the new text node */
|
|
text: function(parent, x, y, value, settings) {
|
|
var args = this._args(arguments, ['x', 'y', 'value']);
|
|
if (typeof args.x == 'string' && arguments.length < 4) {
|
|
args.value = args.x;
|
|
args.settings = args.y;
|
|
args.x = args.y = null;
|
|
}
|
|
return this._text(args.parent, 'text', args.value, $.extend(
|
|
{x: (args.x && isArray(args.x) ? args.x.join(' ') : args.x),
|
|
y: (args.y && isArray(args.y) ? args.y.join(' ') : args.y)},
|
|
args.settings || {}));
|
|
},
|
|
|
|
/* Draw text along a path.
|
|
@param parent (element or jQuery) the parent node for the text (optional)
|
|
@param path (string) the ID of the path
|
|
@param value (string) the text content or
|
|
(SVGText) text with spans and references
|
|
@param settings (object) additional settings for the text (optional)
|
|
@return (element) the new text node */
|
|
textpath: function(parent, path, value, settings) {
|
|
var args = this._args(arguments, ['path', 'value']);
|
|
var node = this._text(args.parent, 'textPath', args.value, args.settings || {});
|
|
node.setAttributeNS($.svg.xlinkNS, 'href', args.path);
|
|
return node;
|
|
},
|
|
|
|
/* Draw text. */
|
|
_text: function(parent, name, value, settings) {
|
|
var node = this._makeNode(parent, name, settings);
|
|
if (typeof value == 'string') {
|
|
node.appendChild(node.ownerDocument.createTextNode(value));
|
|
}
|
|
else {
|
|
for (var i = 0; i < value._parts.length; i++) {
|
|
var part = value._parts[i];
|
|
if (part[0] == 'tspan') {
|
|
var child = this._makeNode(node, part[0], part[2]);
|
|
child.appendChild(node.ownerDocument.createTextNode(part[1]));
|
|
node.appendChild(child);
|
|
}
|
|
else if (part[0] == 'tref') {
|
|
var child = this._makeNode(node, part[0], part[2]);
|
|
child.setAttributeNS($.svg.xlinkNS, 'href', part[1]);
|
|
node.appendChild(child);
|
|
}
|
|
else if (part[0] == 'textpath') {
|
|
var set = $.extend({}, part[2]);
|
|
set.href = null;
|
|
var child = this._makeNode(node, part[0], set);
|
|
child.setAttributeNS($.svg.xlinkNS, 'href', part[2].href);
|
|
child.appendChild(node.ownerDocument.createTextNode(part[1]));
|
|
node.appendChild(child);
|
|
}
|
|
else { // straight text
|
|
node.appendChild(node.ownerDocument.createTextNode(part[1]));
|
|
}
|
|
}
|
|
}
|
|
return node;
|
|
},
|
|
|
|
/* Add a custom SVG element.
|
|
@param parent (element or jQuery) the parent node for the new element (optional)
|
|
@param name (string) the name of the element
|
|
@param settings (object) additional settings for the element (optional)
|
|
@return (element) the new custom node */
|
|
other: function(parent, name, settings) {
|
|
var args = this._args(arguments, ['name']);
|
|
return this._makeNode(args.parent, args.name, args.settings || {});
|
|
},
|
|
|
|
/* Create a shape node with the given settings. */
|
|
_makeNode: function(parent, name, settings) {
|
|
parent = parent || this._svg;
|
|
var node = this._svg.ownerDocument.createElementNS($.svg.svgNS, name);
|
|
for (var name in settings) {
|
|
var value = settings[name];
|
|
if (value != null && value != null &&
|
|
(typeof value != 'string' || value != '')) {
|
|
node.setAttribute($.svg._attrNames[name] || name, value);
|
|
}
|
|
}
|
|
parent.appendChild(node);
|
|
return node;
|
|
},
|
|
|
|
/* Add an existing SVG node to the diagram.
|
|
@param parent (element or jQuery) the parent node for the new node (optional)
|
|
@param node (element) the new node to add or
|
|
(string) the jQuery selector for the node or
|
|
(jQuery collection) set of nodes to add
|
|
@return (SVGWrapper) this wrapper */
|
|
add: function(parent, node) {
|
|
var args = this._args((arguments.length == 1 ? [null, parent] : arguments), ['node']);
|
|
var svg = this;
|
|
args.parent = args.parent || this._svg;
|
|
args.node = (args.node.jquery ? args.node : $(args.node));
|
|
try {
|
|
if ($.svg._renesis) {
|
|
throw 'Force traversal';
|
|
}
|
|
args.parent.appendChild(args.node.cloneNode(true));
|
|
}
|
|
catch (e) {
|
|
args.node.each(function() {
|
|
var child = svg._cloneAsSVG(this);
|
|
if (child) {
|
|
args.parent.appendChild(child);
|
|
}
|
|
});
|
|
}
|
|
return this;
|
|
},
|
|
|
|
/* Clone an existing SVG node and add it to the diagram.
|
|
@param parent (element or jQuery) the parent node for the new node (optional)
|
|
@param node (element) the new node to add or
|
|
(string) the jQuery selector for the node or
|
|
(jQuery collection) set of nodes to add
|
|
@return (element[]) collection of new nodes */
|
|
clone: function(parent, node) {
|
|
var svg = this;
|
|
var args = this._args((arguments.length == 1 ? [null, parent] : arguments), ['node']);
|
|
args.parent = args.parent || this._svg;
|
|
args.node = (args.node.jquery ? args.node : $(args.node));
|
|
var newNodes = [];
|
|
args.node.each(function() {
|
|
var child = svg._cloneAsSVG(this);
|
|
if (child) {
|
|
child.id = '';
|
|
args.parent.appendChild(child);
|
|
newNodes.push(child);
|
|
}
|
|
});
|
|
return newNodes;
|
|
},
|
|
|
|
/* SVG nodes must belong to the SVG namespace, so clone and ensure this is so.
|
|
@param node (element) the SVG node to clone
|
|
@return (element) the cloned node */
|
|
_cloneAsSVG: function(node) {
|
|
var newNode = null;
|
|
if (node.nodeType == 1) { // element
|
|
newNode = this._svg.ownerDocument.createElementNS(
|
|
$.svg.svgNS, this._checkName(node.nodeName));
|
|
for (var i = 0; i < node.attributes.length; i++) {
|
|
var attr = node.attributes.item(i);
|
|
if (attr.nodeName != 'xmlns' && attr.nodeValue) {
|
|
if (attr.prefix == 'xlink') {
|
|
newNode.setAttributeNS($.svg.xlinkNS,
|
|
attr.localName || attr.baseName, attr.nodeValue);
|
|
}
|
|
else {
|
|
newNode.setAttribute(this._checkName(attr.nodeName), attr.nodeValue);
|
|
}
|
|
}
|
|
}
|
|
for (var i = 0; i < node.childNodes.length; i++) {
|
|
var child = this._cloneAsSVG(node.childNodes[i]);
|
|
if (child) {
|
|
newNode.appendChild(child);
|
|
}
|
|
}
|
|
}
|
|
else if (node.nodeType == 3) { // text
|
|
if ($.trim(node.nodeValue)) {
|
|
newNode = this._svg.ownerDocument.createTextNode(node.nodeValue);
|
|
}
|
|
}
|
|
else if (node.nodeType == 4) { // CDATA
|
|
if ($.trim(node.nodeValue)) {
|
|
try {
|
|
newNode = this._svg.ownerDocument.createCDATASection(node.nodeValue);
|
|
}
|
|
catch (e) {
|
|
newNode = this._svg.ownerDocument.createTextNode(
|
|
node.nodeValue.replace(/&/g, '&').
|
|
replace(/</g, '<').replace(/>/g, '>'));
|
|
}
|
|
}
|
|
}
|
|
return newNode;
|
|
},
|
|
|
|
/* Node names must be lower case and without SVG namespace prefix. */
|
|
_checkName: function(name) {
|
|
name = (name.substring(0, 1) >= 'A' && name.substring(0, 1) <= 'Z' ?
|
|
name.toLowerCase() : name);
|
|
return (name.substring(0, 4) == 'svg:' ? name.substring(4) : name);
|
|
},
|
|
|
|
/* Load an external SVG document.
|
|
@param url (string) the location of the SVG document or
|
|
the actual SVG content
|
|
@param settings (boolean) see addTo below or
|
|
(function) see onLoad below or
|
|
(object) additional settings for the load with attributes below:
|
|
addTo (boolean) true to add to what's already there,
|
|
or false to clear the canvas first
|
|
changeSize (boolean) true to allow the canvas size to change,
|
|
or false to retain the original
|
|
onLoad (function) callback after the document has loaded,
|
|
'this' is the container, receives SVG object and
|
|
optional error message as a parameter
|
|
parent (string or element or jQuery) the parent to load
|
|
into, defaults to top-level svg element
|
|
@return (SVGWrapper) this root */
|
|
load: function(url, settings) {
|
|
settings = (typeof settings == 'boolean' ? {addTo: settings} :
|
|
(typeof settings == 'function' ? {onLoad: settings} :
|
|
(typeof settings == 'string' ? {parent: settings} :
|
|
(typeof settings == 'object' && settings.nodeName ? {parent: settings} :
|
|
(typeof settings == 'object' && settings.jquery ? {parent: settings} :
|
|
settings || {})))));
|
|
if (!settings.parent && !settings.addTo) {
|
|
this.clear(false);
|
|
}
|
|
var size = [this._svg.getAttribute('width'), this._svg.getAttribute('height')];
|
|
var wrapper = this;
|
|
// Report a problem with the load
|
|
var reportError = function(message) {
|
|
message = $.svg.local.errorLoadingText + ': ' + message;
|
|
if (settings.onLoad) {
|
|
settings.onLoad.apply(wrapper._container || wrapper._svg, [wrapper, message]);
|
|
}
|
|
else {
|
|
wrapper.text(null, 10, 20, message);
|
|
}
|
|
};
|
|
// Create a DOM from SVG content
|
|
var loadXML4IE = function(data) {
|
|
var xml = new ActiveXObject('Microsoft.XMLDOM');
|
|
xml.validateOnParse = false;
|
|
xml.resolveExternals = false;
|
|
xml.async = false;
|
|
xml.loadXML(data);
|
|
if (xml.parseError.errorCode != 0) {
|
|
reportError(xml.parseError.reason);
|
|
return null;
|
|
}
|
|
return xml;
|
|
};
|
|
// Load the SVG DOM
|
|
var loadSVG = function(data) {
|
|
if (!data) {
|
|
return;
|
|
}
|
|
if (data.documentElement.nodeName != 'svg') {
|
|
var errors = data.getElementsByTagName('parsererror');
|
|
var messages = (errors.length ? errors[0].getElementsByTagName('div') : []); // Safari
|
|
reportError(!errors.length ? '???' :
|
|
(messages.length ? messages[0] : errors[0]).firstChild.nodeValue);
|
|
return;
|
|
}
|
|
var parent = (settings.parent ? $(settings.parent)[0] : wrapper._svg);
|
|
var attrs = {};
|
|
for (var i = 0; i < data.documentElement.attributes.length; i++) {
|
|
var attr = data.documentElement.attributes.item(i);
|
|
if (!(attr.nodeName == 'version' || attr.nodeName.substring(0, 5) == 'xmlns')) {
|
|
attrs[attr.nodeName] = attr.nodeValue;
|
|
}
|
|
}
|
|
wrapper.configure(parent, attrs, !settings.parent);
|
|
var nodes = data.documentElement.childNodes;
|
|
for (var i = 0; i < nodes.length; i++) {
|
|
try {
|
|
if ($.svg._renesis) {
|
|
throw 'Force traversal';
|
|
}
|
|
parent.appendChild(wrapper._svg.ownerDocument.importNode(nodes[i], true));
|
|
if (nodes[i].nodeName == 'script') {
|
|
$.globalEval(nodes[i].textContent);
|
|
}
|
|
}
|
|
catch (e) {
|
|
wrapper.add(parent, nodes[i]);
|
|
}
|
|
}
|
|
if (!settings.changeSize) {
|
|
wrapper.configure(parent, {width: size[0], height: size[1]});
|
|
}
|
|
if (settings.onLoad) {
|
|
settings.onLoad.apply(wrapper._container || wrapper._svg, [wrapper]);
|
|
}
|
|
};
|
|
if (url.match('<svg')) { // Inline SVG
|
|
loadSVG($.browser.msie ? loadXML4IE(url) :
|
|
new DOMParser().parseFromString(url, 'text/xml'));
|
|
}
|
|
else { // Remote SVG
|
|
$.ajax({url: url, dataType: ($.browser.msie ? 'text' : 'xml'),
|
|
success: function(xml) {
|
|
loadSVG($.browser.msie ? loadXML4IE(xml) : xml);
|
|
}, error: function(http, message, exc) {
|
|
reportError(message + (exc ? ' ' + exc.message : ''));
|
|
}});
|
|
}
|
|
return this;
|
|
},
|
|
|
|
/* Delete a specified node.
|
|
@param node (element or jQuery) the drawing node to remove
|
|
@return (SVGWrapper) this root */
|
|
remove: function(node) {
|
|
node = (node.jquery ? node[0] : node);
|
|
node.parentNode.removeChild(node);
|
|
return this;
|
|
},
|
|
|
|
/* Delete everything in the current document.
|
|
@param attrsToo (boolean) true to clear any root attributes as well,
|
|
false to leave them (optional)
|
|
@return (SVGWrapper) this root */
|
|
clear: function(attrsToo) {
|
|
if (attrsToo) {
|
|
this.configure({}, true);
|
|
}
|
|
while (this._svg.firstChild) {
|
|
this._svg.removeChild(this._svg.firstChild);
|
|
}
|
|
return this;
|
|
},
|
|
|
|
/* Serialise the current diagram into an SVG text document.
|
|
@param node (SVG element) the starting node (optional)
|
|
@return (string) the SVG as text */
|
|
toSVG: function(node) {
|
|
node = node || this._svg;
|
|
return (typeof XMLSerializer == 'undefined' ? this._toSVG(node) :
|
|
new XMLSerializer().serializeToString(node));
|
|
},
|
|
|
|
/* Serialise one node in the SVG hierarchy. */
|
|
_toSVG: function(node) {
|
|
var svgDoc = '';
|
|
if (!node) {
|
|
return svgDoc;
|
|
}
|
|
if (node.nodeType == 3) { // Text
|
|
svgDoc = node.nodeValue;
|
|
}
|
|
else if (node.nodeType == 4) { // CDATA
|
|
svgDoc = '<![CDATA[' + node.nodeValue + ']]>';
|
|
}
|
|
else { // Element
|
|
svgDoc = '<' + node.nodeName;
|
|
if (node.attributes) {
|
|
for (var i = 0; i < node.attributes.length; i++) {
|
|
var attr = node.attributes.item(i);
|
|
if (!($.trim(attr.nodeValue) == '' || attr.nodeValue.match(/^\[object/) ||
|
|
attr.nodeValue.match(/^function/))) {
|
|
svgDoc += ' ' + (attr.namespaceURI == $.svg.xlinkNS ? 'xlink:' : '') +
|
|
attr.nodeName + '="' + attr.nodeValue + '"';
|
|
}
|
|
}
|
|
}
|
|
if (node.firstChild) {
|
|
svgDoc += '>';
|
|
var child = node.firstChild;
|
|
while (child) {
|
|
svgDoc += this._toSVG(child);
|
|
child = child.nextSibling;
|
|
}
|
|
svgDoc += '</' + node.nodeName + '>';
|
|
}
|
|
else {
|
|
svgDoc += '/>';
|
|
}
|
|
}
|
|
return svgDoc;
|
|
}
|
|
});
|
|
|
|
/* Helper to generate an SVG path.
|
|
Obtain an instance from the SVGWrapper object.
|
|
String calls together to generate the path and use its value:
|
|
var path = root.createPath();
|
|
root.path(null, path.move(100, 100).line(300, 100).line(200, 300).close(), {fill: 'red'});
|
|
or
|
|
root.path(null, path.move(100, 100).line([[300, 100], [200, 300]]).close(), {fill: 'red'}); */
|
|
function SVGPath() {
|
|
this._path = '';
|
|
}
|
|
|
|
$.extend(SVGPath.prototype, {
|
|
/* Prepare to create a new path.
|
|
@return (SVGPath) this path */
|
|
reset: function() {
|
|
this._path = '';
|
|
return this;
|
|
},
|
|
|
|
/* Move the pointer to a position.
|
|
@param x (number) x-coordinate to move to or
|
|
(number[][]) x-/y-coordinates to move to
|
|
@param y (number) y-coordinate to move to (omitted if x is array)
|
|
@param relative (boolean) true for coordinates relative to the current point,
|
|
false for coordinates being absolute
|
|
@return (SVGPath) this path */
|
|
move: function(x, y, relative) {
|
|
relative = (isArray(x) ? y : relative);
|
|
return this._coords((relative ? 'm' : 'M'), x, y);
|
|
},
|
|
|
|
/* Draw a line to a position.
|
|
@param x (number) x-coordinate to move to or
|
|
(number[][]) x-/y-coordinates to move to
|
|
@param y (number) y-coordinate to move to (omitted if x is array)
|
|
@param relative (boolean) true for coordinates relative to the current point,
|
|
false for coordinates being absolute
|
|
@return (SVGPath) this path */
|
|
line: function(x, y, relative) {
|
|
relative = (isArray(x) ? y : relative);
|
|
return this._coords((relative ? 'l' : 'L'), x, y);
|
|
},
|
|
|
|
/* Draw a horizontal line to a position.
|
|
@param x (number) x-coordinate to draw to or
|
|
(number[]) x-coordinates to draw to
|
|
@param relative (boolean) true for coordinates relative to the current point,
|
|
false for coordinates being absolute
|
|
@return (SVGPath) this path */
|
|
horiz: function(x, relative) {
|
|
this._path += (relative ? 'h' : 'H') + (isArray(x) ? x.join(' ') : x);
|
|
return this;
|
|
},
|
|
|
|
/* Draw a vertical line to a position.
|
|
@param y (number) y-coordinate to draw to or
|
|
(number[]) y-coordinates to draw to
|
|
@param relative (boolean) true for coordinates relative to the current point,
|
|
false for coordinates being absolute
|
|
@return (SVGPath) this path */
|
|
vert: function(y, relative) {
|
|
this._path += (relative ? 'v' : 'V') + (isArray(y) ? y.join(' ') : y);
|
|
return this;
|
|
},
|
|
|
|
/* Draw a cubic Bézier curve.
|
|
@param x1 (number) x-coordinate of beginning control point or
|
|
(number[][]) x-/y-coordinates of control and end points to draw to
|
|
@param y1 (number) y-coordinate of beginning control point (omitted if x1 is array)
|
|
@param x2 (number) x-coordinate of ending control point (omitted if x1 is array)
|
|
@param y2 (number) y-coordinate of ending control point (omitted if x1 is array)
|
|
@param x (number) x-coordinate of curve end (omitted if x1 is array)
|
|
@param y (number) y-coordinate of curve end (omitted if x1 is array)
|
|
@param relative (boolean) true for coordinates relative to the current point,
|
|
false for coordinates being absolute
|
|
@return (SVGPath) this path */
|
|
curveC: function(x1, y1, x2, y2, x, y, relative) {
|
|
relative = (isArray(x1) ? y1 : relative);
|
|
return this._coords((relative ? 'c' : 'C'), x1, y1, x2, y2, x, y);
|
|
},
|
|
|
|
/* Continue a cubic Bézier curve.
|
|
Starting control point is the reflection of the previous end control point.
|
|
@param x2 (number) x-coordinate of ending control point or
|
|
(number[][]) x-/y-coordinates of control and end points to draw to
|
|
@param y2 (number) y-coordinate of ending control point (omitted if x2 is array)
|
|
@param x (number) x-coordinate of curve end (omitted if x2 is array)
|
|
@param y (number) y-coordinate of curve end (omitted if x2 is array)
|
|
@param relative (boolean) true for coordinates relative to the current point,
|
|
false for coordinates being absolute
|
|
@return (SVGPath) this path */
|
|
smoothC: function(x2, y2, x, y, relative) {
|
|
relative = (isArray(x2) ? y2 : relative);
|
|
return this._coords((relative ? 's' : 'S'), x2, y2, x, y);
|
|
},
|
|
|
|
/* Draw a quadratic Bézier curve.
|
|
@param x1 (number) x-coordinate of control point or
|
|
(number[][]) x-/y-coordinates of control and end points to draw to
|
|
@param y1 (number) y-coordinate of control point (omitted if x1 is array)
|
|
@param x (number) x-coordinate of curve end (omitted if x1 is array)
|
|
@param y (number) y-coordinate of curve end (omitted if x1 is array)
|
|
@param relative (boolean) true for coordinates relative to the current point,
|
|
false for coordinates being absolute
|
|
@return (SVGPath) this path */
|
|
curveQ: function(x1, y1, x, y, relative) {
|
|
relative = (isArray(x1) ? y1 : relative);
|
|
return this._coords((relative ? 'q' : 'Q'), x1, y1, x, y);
|
|
},
|
|
|
|
/* Continue a quadratic Bézier curve.
|
|
Control point is the reflection of the previous control point.
|
|
@param x (number) x-coordinate of curve end or
|
|
(number[][]) x-/y-coordinates of points to draw to
|
|
@param y (number) y-coordinate of curve end (omitted if x is array)
|
|
@param relative (boolean) true for coordinates relative to the current point,
|
|
false for coordinates being absolute
|
|
@return (SVGPath) this path */
|
|
smoothQ: function(x, y, relative) {
|
|
relative = (isArray(x) ? y : relative);
|
|
return this._coords((relative ? 't' : 'T'), x, y);
|
|
},
|
|
|
|
/* Generate a path command with (a list of) coordinates. */
|
|
_coords: function(cmd, x1, y1, x2, y2, x3, y3) {
|
|
if (isArray(x1)) {
|
|
for (var i = 0; i < x1.length; i++) {
|
|
var cs = x1[i];
|
|
this._path += (i == 0 ? cmd : ' ') + cs[0] + ',' + cs[1] +
|
|
(cs.length < 4 ? '' : ' ' + cs[2] + ',' + cs[3] +
|
|
(cs.length < 6 ? '': ' ' + cs[4] + ',' + cs[5]));
|
|
}
|
|
}
|
|
else {
|
|
this._path += cmd + x1 + ',' + y1 +
|
|
(x2 == null ? '' : ' ' + x2 + ',' + y2 +
|
|
(x3 == null ? '' : ' ' + x3 + ',' + y3));
|
|
}
|
|
return this;
|
|
},
|
|
|
|
/* Draw an arc to a position.
|
|
@param rx (number) x-radius of arc or
|
|
(number/boolean[][]) x-/y-coordinates and flags for points to draw to
|
|
@param ry (number) y-radius of arc (omitted if rx is array)
|
|
@param xRotate (number) x-axis rotation (degrees, clockwise) (omitted if rx is array)
|
|
@param large (boolean) true to draw the large part of the arc,
|
|
false to draw the small part (omitted if rx is array)
|
|
@param clockwise (boolean) true to draw the clockwise arc,
|
|
false to draw the anti-clockwise arc (omitted if rx is array)
|
|
@param x (number) x-coordinate of arc end (omitted if rx is array)
|
|
@param y (number) y-coordinate of arc end (omitted if rx is array)
|
|
@param relative (boolean) true for coordinates relative to the current point,
|
|
false for coordinates being absolute
|
|
@return (SVGPath) this path */
|
|
arc: function(rx, ry, xRotate, large, clockwise, x, y, relative) {
|
|
relative = (isArray(rx) ? ry : relative);
|
|
this._path += (relative ? 'a' : 'A');
|
|
if (isArray(rx)) {
|
|
for (var i = 0; i < rx.length; i++) {
|
|
var cs = rx[i];
|
|
this._path += (i == 0 ? '' : ' ') + cs[0] + ',' + cs[1] + ' ' +
|
|
cs[2] + ' ' + (cs[3] ? '1' : '0') + ',' +
|
|
(cs[4] ? '1' : '0') + ' ' + cs[5] + ',' + cs[6];
|
|
}
|
|
}
|
|
else {
|
|
this._path += rx + ',' + ry + ' ' + xRotate + ' ' +
|
|
(large ? '1' : '0') + ',' + (clockwise ? '1' : '0') + ' ' + x + ',' + y;
|
|
}
|
|
return this;
|
|
},
|
|
|
|
/* Close the current path.
|
|
@return (SVGPath) this path */
|
|
close: function() {
|
|
this._path += 'z';
|
|
return this;
|
|
},
|
|
|
|
/* Return the string rendering of the specified path.
|
|
@return (string) stringified path */
|
|
path: function() {
|
|
return this._path;
|
|
}
|
|
});
|
|
|
|
SVGPath.prototype.moveTo = SVGPath.prototype.move;
|
|
SVGPath.prototype.lineTo = SVGPath.prototype.line;
|
|
SVGPath.prototype.horizTo = SVGPath.prototype.horiz;
|
|
SVGPath.prototype.vertTo = SVGPath.prototype.vert;
|
|
SVGPath.prototype.curveCTo = SVGPath.prototype.curveC;
|
|
SVGPath.prototype.smoothCTo = SVGPath.prototype.smoothC;
|
|
SVGPath.prototype.curveQTo = SVGPath.prototype.curveQ;
|
|
SVGPath.prototype.smoothQTo = SVGPath.prototype.smoothQ;
|
|
SVGPath.prototype.arcTo = SVGPath.prototype.arc;
|
|
|
|
/* Helper to generate an SVG text object.
|
|
Obtain an instance from the SVGWrapper object.
|
|
String calls together to generate the text and use its value:
|
|
var text = root.createText();
|
|
root.text(null, x, y, text.string('This is ').
|
|
span('red', {fill: 'red'}).string('!'), {fill: 'blue'}); */
|
|
function SVGText() {
|
|
this._parts = []; // The components of the text object
|
|
}
|
|
|
|
$.extend(SVGText.prototype, {
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/* Prepare to create a new text object.
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@return (SVGText) this text */
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reset: function() {
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this._parts = [];
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return this;
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},
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/* Add a straight string value.
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@param value (string) the actual text
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@return (SVGText) this text object */
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string: function(value) {
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this._parts[this._parts.length] = ['text', value];
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return this;
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},
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/* Add a separate text span that has its own settings.
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@param value (string) the actual text
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@param settings (object) the settings for this text
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@return (SVGText) this text object */
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span: function(value, settings) {
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this._parts[this._parts.length] = ['tspan', value, settings];
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return this;
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},
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/* Add a reference to a previously defined text string.
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@param id (string) the ID of the actual text
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@param settings (object) the settings for this text
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@return (SVGText) this text object */
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ref: function(id, settings) {
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this._parts[this._parts.length] = ['tref', id, settings];
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return this;
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},
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/* Add text drawn along a path.
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@param id (string) the ID of the path
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@param value (string) the actual text
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@param settings (object) the settings for this text
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@return (SVGText) this text object */
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path: function(id, value, settings) {
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this._parts[this._parts.length] = ['textpath', value,
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$.extend({href: id}, settings || {})];
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return this;
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}
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});
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/* Attach the SVG functionality to a jQuery selection.
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@param command (string) the command to run (optional, default 'attach')
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@param options (object) the new settings to use for these SVG instances
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@return jQuery (object) for chaining further calls */
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$.fn.svg = function(options) {
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var otherArgs = Array.prototype.slice.call(arguments, 1);
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if (typeof options == 'string' && options == 'get') {
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return $.svg['_' + options + 'SVG'].apply($.svg, [this[0]].concat(otherArgs));
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}
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return this.each(function() {
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if (typeof options == 'string') {
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$.svg['_' + options + 'SVG'].apply($.svg, [this].concat(otherArgs));
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}
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else {
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$.svg._attachSVG(this, options || {});
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}
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});
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};
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/* Determine whether an object is an array. */
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function isArray(a) {
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return (a && a.constructor == Array);
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}
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// Singleton primary SVG interface
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$.svg = new SVGManager();
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})(jQuery);
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