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8 |
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9 | (function ( global, factory ) {
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10 |
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11 | 'use strict';
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12 |
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13 |
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14 | if ( typeof define !== 'undefined' && define.amd ) {
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15 | define('canvgModule', [ 'rgbcolor', 'stackblur' ], factory );
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16 | }
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17 |
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18 |
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19 | else if ( typeof module !== 'undefined' && module.exports ) {
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20 | module.exports = factory( require( 'rgbcolor' ), require( 'stackblur' ) );
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21 | }
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22 |
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23 | global.canvg = factory( global.RGBColor, global.stackBlur );
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24 |
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25 | }( typeof window !== 'undefined' ? window : this, function ( RGBColor, stackBlur ) {
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26 |
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27 |
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28 |
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29 |
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30 |
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31 |
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32 |
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33 |
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34 |
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35 |
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36 |
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37 |
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38 |
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39 |
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40 |
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41 |
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42 | var canvg = function (target, s, opts) {
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43 |
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44 | if (target == null && s == null && opts == null) {
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45 | var svgTags = document.querySelectorAll('svg');
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46 | for (var i=0; i<svgTags.length; i++) {
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47 | var svgTag = svgTags[i];
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48 | var c = document.createElement('canvas');
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49 | c.width = svgTag.clientWidth;
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50 | c.height = svgTag.clientHeight;
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51 | svgTag.parentNode.insertBefore(c, svgTag);
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52 | svgTag.parentNode.removeChild(svgTag);
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53 | var div = document.createElement('div');
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54 | div.appendChild(svgTag);
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55 | canvg(c, div.innerHTML);
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56 | }
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57 | return;
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58 | }
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59 |
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60 | if (typeof target == 'string') {
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61 | target = document.getElementById(target);
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62 | }
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63 |
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64 |
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65 | if (target.svg != null) target.svg.stop();
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66 | var svg = build(opts || {});
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67 |
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68 | if (!(target.childNodes.length == 1 && target.childNodes[0].nodeName == 'OBJECT')) target.svg = svg;
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69 |
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70 | var ctx = target.getContext('2d');
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71 | if (typeof(s.documentElement) != 'undefined') {
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72 |
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73 | svg.loadXmlDoc(ctx, s);
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74 | }
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75 | else if (s.substr(0,1) == '<') {
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76 |
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77 | svg.loadXml(ctx, s);
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78 | }
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79 | else {
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80 |
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81 | svg.load(ctx, s);
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82 | }
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83 | }
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84 |
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85 |
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86 | var matchesSelector;
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87 | if (typeof(Element.prototype.matches) != 'undefined') {
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88 | matchesSelector = function(node, selector) {
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89 | return node.matches(selector);
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90 | };
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91 | } else if (typeof(Element.prototype.webkitMatchesSelector) != 'undefined') {
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92 | matchesSelector = function(node, selector) {
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93 | return node.webkitMatchesSelector(selector);
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94 | };
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95 | } else if (typeof(Element.prototype.mozMatchesSelector) != 'undefined') {
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96 | matchesSelector = function(node, selector) {
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97 | return node.mozMatchesSelector(selector);
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98 | };
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99 | } else if (typeof(Element.prototype.msMatchesSelector) != 'undefined') {
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100 | matchesSelector = function(node, selector) {
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101 | return node.msMatchesSelector(selector);
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102 | };
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103 | } else if (typeof(Element.prototype.oMatchesSelector) != 'undefined') {
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104 | matchesSelector = function(node, selector) {
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105 | return node.oMatchesSelector(selector);
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106 | };
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107 | } else {
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108 |
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109 |
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110 |
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111 |
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112 |
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113 | if (typeof jQuery === 'function' || typeof Zepto === 'function') {
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114 | matchesSelector = function (node, selector) {
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115 | return $(node).is(selector);
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116 | };
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117 | }
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118 |
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119 | if (typeof matchesSelector === 'undefined') {
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120 | matchesSelector = Sizzle.matchesSelector;
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121 | }
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122 | }
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123 |
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124 |
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125 | var attributeRegex = /(\[[^\]]+\])/g;
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126 | var idRegex = /(#[^\s\+>~\.\[:]+)/g;
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127 | var classRegex = /(\.[^\s\+>~\.\[:]+)/g;
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128 | var pseudoElementRegex = /(::[^\s\+>~\.\[:]+|:first-line|:first-letter|:before|:after)/gi;
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129 | var pseudoClassWithBracketsRegex = /(:[\w-]+\([^\)]*\))/gi;
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130 | var pseudoClassRegex = /(:[^\s\+>~\.\[:]+)/g;
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131 | var elementRegex = /([^\s\+>~\.\[:]+)/g;
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132 | function getSelectorSpecificity(selector) {
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133 | var typeCount = [0, 0, 0];
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134 | var findMatch = function(regex, type) {
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135 | var matches = selector.match(regex);
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136 | if (matches == null) {
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137 | return;
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138 | }
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139 | typeCount[type] += matches.length;
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140 | selector = selector.replace(regex, ' ');
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141 | };
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142 |
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143 | selector = selector.replace(/:not\(([^\)]*)\)/g, ' $1 ');
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144 | selector = selector.replace(/{[^]*/gm, ' ');
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145 | findMatch(attributeRegex, 1);
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146 | findMatch(idRegex, 0);
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147 | findMatch(classRegex, 1);
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148 | findMatch(pseudoElementRegex, 2);
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149 | findMatch(pseudoClassWithBracketsRegex, 1);
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150 | findMatch(pseudoClassRegex, 1);
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151 | selector = selector.replace(/[\*\s\+>~]/g, ' ');
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152 | selector = selector.replace(/[#\.]/g, ' ');
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153 | findMatch(elementRegex, 2);
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154 | return typeCount.join('');
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155 | }
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156 |
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157 | function build(opts) {
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158 | var svg = { opts: opts };
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159 |
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160 | svg.FRAMERATE = 30;
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161 | svg.MAX_VIRTUAL_PIXELS = 30000;
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162 |
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163 | svg.log = function(msg) {};
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164 | if (svg.opts['log'] == true && typeof(console) != 'undefined') {
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165 | svg.log = function(msg) { console.log(msg); };
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166 | };
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167 |
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168 |
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169 | svg.init = function(ctx) {
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170 | var uniqueId = 0;
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171 | svg.UniqueId = function () { uniqueId++; return 'canvg' + uniqueId; };
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172 | svg.Definitions = {};
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173 | svg.Styles = {};
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174 | svg.StylesSpecificity = {};
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175 | svg.Animations = [];
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176 | svg.Images = [];
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177 | svg.ctx = ctx;
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178 | svg.ViewPort = new (function () {
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179 | this.viewPorts = [];
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180 | this.Clear = function() { this.viewPorts = []; }
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181 | this.SetCurrent = function(width, height) { this.viewPorts.push({ width: width, height: height }); }
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182 | this.RemoveCurrent = function() { this.viewPorts.pop(); }
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183 | this.Current = function() { return this.viewPorts[this.viewPorts.length - 1]; }
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184 | this.width = function() { return this.Current().width; }
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185 | this.height = function() { return this.Current().height; }
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186 | this.ComputeSize = function(d) {
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187 | if (d != null && typeof(d) == 'number') return d;
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188 | if (d == 'x') return this.width();
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189 | if (d == 'y') return this.height();
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190 | return Math.sqrt(Math.pow(this.width(), 2) + Math.pow(this.height(), 2)) / Math.sqrt(2);
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191 | }
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192 | });
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193 | }
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194 | svg.init();
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195 |
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196 |
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197 | svg.ImagesLoaded = function() {
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198 | for (var i=0; i<svg.Images.length; i++) {
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199 | if (!svg.Images[i].loaded) return false;
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200 | }
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201 | return true;
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202 | }
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203 |
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204 |
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205 | svg.trim = function(s) { return s.replace(/^\s+|\s+$/g, ''); }
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206 |
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207 |
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208 | svg.compressSpaces = function(s) { return s.replace(/[\s\r\t\n]+/gm,' '); }
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209 |
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210 |
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211 | svg.ajax = function(url) {
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212 | var AJAX;
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213 | if(window.XMLHttpRequest){AJAX=new XMLHttpRequest();}
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214 | else{AJAX=new ActiveXObject('Microsoft.XMLHTTP');}
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215 | if(AJAX){
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216 | AJAX.open('GET',url,false);
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217 | AJAX.send(null);
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218 | return AJAX.responseText;
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219 | }
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220 | return null;
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221 | }
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222 |
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223 |
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224 | svg.parseXml = function(xml) {
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225 | if (typeof(Windows) != 'undefined' && typeof(Windows.Data) != 'undefined' && typeof(Windows.Data.Xml) != 'undefined') {
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226 | var xmlDoc = new Windows.Data.Xml.Dom.XmlDocument();
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227 | var settings = new Windows.Data.Xml.Dom.XmlLoadSettings();
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228 | settings.prohibitDtd = false;
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229 | xmlDoc.loadXml(xml, settings);
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230 | return xmlDoc;
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231 | }
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232 | else if (window.DOMParser)
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233 | {
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234 | var parser = new DOMParser();
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235 | return parser.parseFromString(xml, 'text/xml');
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236 | }
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237 | else
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238 | {
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239 | xml = xml.replace(/<!DOCTYPE svg[^>]*>/, '');
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240 | var xmlDoc = new ActiveXObject('Microsoft.XMLDOM');
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241 | xmlDoc.async = 'false';
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242 | xmlDoc.loadXML(xml);
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243 | return xmlDoc;
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244 | }
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245 | }
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246 |
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247 | svg.Property = function(name, value) {
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248 | this.name = name;
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249 | this.value = value;
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250 | }
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251 | svg.Property.prototype.getValue = function() {
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252 | return this.value;
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253 | }
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254 |
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255 | svg.Property.prototype.hasValue = function() {
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256 | return (this.value != null && this.value !== '');
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257 | }
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258 |
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259 |
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260 | svg.Property.prototype.numValue = function() {
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261 | if (!this.hasValue()) return 0;
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262 |
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263 | var n = parseFloat(this.value);
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264 | if ((this.value + '').match(/%$/)) {
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265 | n = n / 100.0;
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266 | }
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267 | return n;
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268 | }
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269 |
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270 | svg.Property.prototype.valueOrDefault = function(def) {
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271 | if (this.hasValue()) return this.value;
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272 | return def;
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273 | }
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274 |
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275 | svg.Property.prototype.numValueOrDefault = function(def) {
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276 | if (this.hasValue()) return this.numValue();
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277 | return def;
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278 | }
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279 |
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280 |
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281 |
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282 | svg.Property.prototype.addOpacity = function(opacityProp) {
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283 | var newValue = this.value;
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284 | if (opacityProp.value != null && opacityProp.value != '' && typeof(this.value)=='string') {
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285 | var color = new RGBColor(this.value);
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286 | if (color.ok) {
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287 | newValue = 'rgba(' + color.r + ', ' + color.g + ', ' + color.b + ', ' + opacityProp.numValue() + ')';
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288 | }
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289 | }
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290 | return new svg.Property(this.name, newValue);
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291 | }
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292 |
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293 |
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294 |
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295 | svg.Property.prototype.getDefinition = function() {
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296 | var name = this.value.match(/#([^\)'"]+)/);
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297 | if (name) { name = name[1]; }
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298 | if (!name) { name = this.value; }
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299 | return svg.Definitions[name];
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300 | }
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301 |
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302 | svg.Property.prototype.isUrlDefinition = function() {
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303 | return this.value.indexOf('url(') == 0
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304 | }
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305 |
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306 | svg.Property.prototype.getFillStyleDefinition = function(e, opacityProp) {
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307 | var def = this.getDefinition();
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308 |
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309 |
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310 | if (def != null && def.createGradient) {
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311 | return def.createGradient(svg.ctx, e, opacityProp);
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312 | }
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313 |
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314 |
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315 | if (def != null && def.createPattern) {
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316 | if (def.getHrefAttribute().hasValue()) {
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317 | var pt = def.attribute('patternTransform');
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318 | def = def.getHrefAttribute().getDefinition();
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319 | if (pt.hasValue()) { def.attribute('patternTransform', true).value = pt.value; }
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320 | }
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321 | return def.createPattern(svg.ctx, e);
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322 | }
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323 |
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324 | return null;
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325 | }
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326 |
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327 |
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328 | svg.Property.prototype.getDPI = function(viewPort) {
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329 | return 96.0;
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330 | }
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331 |
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332 | svg.Property.prototype.getEM = function(viewPort) {
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333 | var em = 12;
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334 |
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335 | var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
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336 | if (fontSize.hasValue()) em = fontSize.toPixels(viewPort);
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337 |
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338 | return em;
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339 | }
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340 |
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341 | svg.Property.prototype.getUnits = function() {
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342 | var s = this.value+'';
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343 | return s.replace(/[0-9\.\-]/g,'');
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344 | }
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345 |
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346 |
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347 | svg.Property.prototype.toPixels = function(viewPort, processPercent) {
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348 | if (!this.hasValue()) return 0;
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349 | var s = this.value+'';
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350 | if (s.match(/em$/)) return this.numValue() * this.getEM(viewPort);
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351 | if (s.match(/ex$/)) return this.numValue() * this.getEM(viewPort) / 2.0;
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352 | if (s.match(/px$/)) return this.numValue();
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353 | if (s.match(/pt$/)) return this.numValue() * this.getDPI(viewPort) * (1.0 / 72.0);
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354 | if (s.match(/pc$/)) return this.numValue() * 15;
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355 | if (s.match(/cm$/)) return this.numValue() * this.getDPI(viewPort) / 2.54;
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356 | if (s.match(/mm$/)) return this.numValue() * this.getDPI(viewPort) / 25.4;
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357 | if (s.match(/in$/)) return this.numValue() * this.getDPI(viewPort);
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358 | if (s.match(/%$/)) return this.numValue() * svg.ViewPort.ComputeSize(viewPort);
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359 | var n = this.numValue();
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360 | if (processPercent && n < 1.0) return n * svg.ViewPort.ComputeSize(viewPort);
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361 | return n;
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362 | }
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363 |
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364 |
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365 |
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366 | svg.Property.prototype.toMilliseconds = function() {
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367 | if (!this.hasValue()) return 0;
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368 | var s = this.value+'';
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369 | if (s.match(/s$/)) return this.numValue() * 1000;
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370 | if (s.match(/ms$/)) return this.numValue();
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371 | return this.numValue();
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372 | }
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373 |
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374 |
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375 |
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376 | svg.Property.prototype.toRadians = function() {
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377 | if (!this.hasValue()) return 0;
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378 | var s = this.value+'';
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379 | if (s.match(/deg$/)) return this.numValue() * (Math.PI / 180.0);
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380 | if (s.match(/grad$/)) return this.numValue() * (Math.PI / 200.0);
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381 | if (s.match(/rad$/)) return this.numValue();
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382 | return this.numValue() * (Math.PI / 180.0);
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383 | }
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384 |
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385 |
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386 |
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387 | var textBaselineMapping = {
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388 | 'baseline': 'alphabetic',
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389 | 'before-edge': 'top',
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390 | 'text-before-edge': 'top',
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391 | 'middle': 'middle',
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392 | 'central': 'middle',
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393 | 'after-edge': 'bottom',
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394 | 'text-after-edge': 'bottom',
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395 | 'ideographic': 'ideographic',
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396 | 'alphabetic': 'alphabetic',
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397 | 'hanging': 'hanging',
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398 | 'mathematical': 'alphabetic'
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399 | };
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400 | svg.Property.prototype.toTextBaseline = function () {
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401 | if (!this.hasValue()) return null;
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402 | return textBaselineMapping[this.value];
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403 | }
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404 |
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405 |
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406 | svg.Font = new (function() {
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407 | this.Styles = 'normal|italic|oblique|inherit';
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408 | this.Variants = 'normal|small-caps|inherit';
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409 | this.Weights = 'normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900|inherit';
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410 |
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411 | this.CreateFont = function(fontStyle, fontVariant, fontWeight, fontSize, fontFamily, inherit) {
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412 | var f = inherit != null ? this.Parse(inherit) : this.CreateFont('', '', '', '', '', svg.ctx.font);
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413 | return {
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414 | fontFamily: fontFamily || f.fontFamily,
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415 | fontSize: fontSize || f.fontSize,
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416 | fontStyle: fontStyle || f.fontStyle,
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417 | fontWeight: fontWeight || f.fontWeight,
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418 | fontVariant: fontVariant || f.fontVariant,
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419 | toString: function () { return [this.fontStyle, this.fontVariant, this.fontWeight, this.fontSize, this.fontFamily].join(' ') }
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420 | }
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421 | }
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422 |
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423 | var that = this;
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424 | this.Parse = function(s) {
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425 | var f = {};
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426 | var d = svg.trim(svg.compressSpaces(s || '')).split(' ');
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427 | var set = { fontSize: false, fontStyle: false, fontWeight: false, fontVariant: false }
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428 | var ff = '';
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429 | for (var i=0; i<d.length; i++) {
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430 | if (!set.fontStyle && that.Styles.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontStyle = d[i]; set.fontStyle = true; }
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431 | else if (!set.fontVariant && that.Variants.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontVariant = d[i]; set.fontStyle = set.fontVariant = true; }
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432 | else if (!set.fontWeight && that.Weights.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontWeight = d[i]; set.fontStyle = set.fontVariant = set.fontWeight = true; }
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433 | else if (!set.fontSize) { if (d[i] != 'inherit') f.fontSize = d[i].split('/')[0]; set.fontStyle = set.fontVariant = set.fontWeight = set.fontSize = true; }
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434 | else { if (d[i] != 'inherit') ff += d[i]; }
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435 | } if (ff != '') f.fontFamily = ff;
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436 | return f;
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437 | }
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438 | });
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439 |
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440 |
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441 | svg.ToNumberArray = function(s) {
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442 | var a = svg.trim(svg.compressSpaces((s || '').replace(/,/g, ' '))).split(' ');
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443 | for (var i=0; i<a.length; i++) {
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444 | a[i] = parseFloat(a[i]);
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445 | }
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446 | return a;
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447 | }
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448 | svg.Point = function(x, y) {
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449 | this.x = x;
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450 | this.y = y;
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451 | }
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452 | svg.Point.prototype.angleTo = function(p) {
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453 | return Math.atan2(p.y - this.y, p.x - this.x);
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454 | }
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455 |
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456 | svg.Point.prototype.applyTransform = function(v) {
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457 | var xp = this.x * v[0] + this.y * v[2] + v[4];
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458 | var yp = this.x * v[1] + this.y * v[3] + v[5];
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459 | this.x = xp;
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460 | this.y = yp;
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461 | }
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462 |
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463 | svg.CreatePoint = function(s) {
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464 | var a = svg.ToNumberArray(s);
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465 | return new svg.Point(a[0], a[1]);
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466 | }
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467 | svg.CreatePath = function(s) {
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468 | var a = svg.ToNumberArray(s);
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469 | var path = [];
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470 | for (var i=0; i<a.length; i+=2) {
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471 | path.push(new svg.Point(a[i], a[i+1]));
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472 | }
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473 | return path;
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474 | }
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475 |
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476 |
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477 | svg.BoundingBox = function(x1, y1, x2, y2) {
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478 | this.x1 = Number.NaN;
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479 | this.y1 = Number.NaN;
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480 | this.x2 = Number.NaN;
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481 | this.y2 = Number.NaN;
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482 |
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483 | this.x = function() { return this.x1; }
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484 | this.y = function() { return this.y1; }
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485 | this.width = function() { return this.x2 - this.x1; }
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486 | this.height = function() { return this.y2 - this.y1; }
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487 |
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488 | this.addPoint = function(x, y) {
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489 | if (x != null) {
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490 | if (isNaN(this.x1) || isNaN(this.x2)) {
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491 | this.x1 = x;
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492 | this.x2 = x;
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493 | }
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494 | if (x < this.x1) this.x1 = x;
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495 | if (x > this.x2) this.x2 = x;
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496 | }
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497 |
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498 | if (y != null) {
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499 | if (isNaN(this.y1) || isNaN(this.y2)) {
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500 | this.y1 = y;
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501 | this.y2 = y;
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502 | }
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503 | if (y < this.y1) this.y1 = y;
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504 | if (y > this.y2) this.y2 = y;
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505 | }
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506 | }
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507 | this.addX = function(x) { this.addPoint(x, null); }
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508 | this.addY = function(y) { this.addPoint(null, y); }
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509 |
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510 | this.addBoundingBox = function(bb) {
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511 | this.addPoint(bb.x1, bb.y1);
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512 | this.addPoint(bb.x2, bb.y2);
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513 | }
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514 |
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515 | this.addQuadraticCurve = function(p0x, p0y, p1x, p1y, p2x, p2y) {
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516 | var cp1x = p0x + 2/3 * (p1x - p0x);
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517 | var cp1y = p0y + 2/3 * (p1y - p0y);
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518 | var cp2x = cp1x + 1/3 * (p2x - p0x);
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519 | var cp2y = cp1y + 1/3 * (p2y - p0y);
|
520 | this.addBezierCurve(p0x, p0y, cp1x, cp2x, cp1y, cp2y, p2x, p2y);
|
521 | }
|
522 |
|
523 | this.addBezierCurve = function(p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y) {
|
524 |
|
525 | var p0 = [p0x, p0y], p1 = [p1x, p1y], p2 = [p2x, p2y], p3 = [p3x, p3y];
|
526 | this.addPoint(p0[0], p0[1]);
|
527 | this.addPoint(p3[0], p3[1]);
|
528 |
|
529 | for (i=0; i<=1; i++) {
|
530 | var f = function(t) {
|
531 | return Math.pow(1-t, 3) * p0[i]
|
532 | + 3 * Math.pow(1-t, 2) * t * p1[i]
|
533 | + 3 * (1-t) * Math.pow(t, 2) * p2[i]
|
534 | + Math.pow(t, 3) * p3[i];
|
535 | }
|
536 |
|
537 | var b = 6 * p0[i] - 12 * p1[i] + 6 * p2[i];
|
538 | var a = -3 * p0[i] + 9 * p1[i] - 9 * p2[i] + 3 * p3[i];
|
539 | var c = 3 * p1[i] - 3 * p0[i];
|
540 |
|
541 | if (a == 0) {
|
542 | if (b == 0) continue;
|
543 | var t = -c / b;
|
544 | if (0 < t && t < 1) {
|
545 | if (i == 0) this.addX(f(t));
|
546 | if (i == 1) this.addY(f(t));
|
547 | }
|
548 | continue;
|
549 | }
|
550 |
|
551 | var b2ac = Math.pow(b, 2) - 4 * c * a;
|
552 | if (b2ac < 0) continue;
|
553 | var t1 = (-b + Math.sqrt(b2ac)) / (2 * a);
|
554 | if (0 < t1 && t1 < 1) {
|
555 | if (i == 0) this.addX(f(t1));
|
556 | if (i == 1) this.addY(f(t1));
|
557 | }
|
558 | var t2 = (-b - Math.sqrt(b2ac)) / (2 * a);
|
559 | if (0 < t2 && t2 < 1) {
|
560 | if (i == 0) this.addX(f(t2));
|
561 | if (i == 1) this.addY(f(t2));
|
562 | }
|
563 | }
|
564 | }
|
565 |
|
566 | this.isPointInBox = function(x, y) {
|
567 | return (this.x1 <= x && x <= this.x2 && this.y1 <= y && y <= this.y2);
|
568 | }
|
569 |
|
570 | this.addPoint(x1, y1);
|
571 | this.addPoint(x2, y2);
|
572 | }
|
573 |
|
574 |
|
575 | svg.Transform = function(v) {
|
576 | var that = this;
|
577 | this.Type = {}
|
578 |
|
579 |
|
580 | this.Type.translate = function(s) {
|
581 | this.p = svg.CreatePoint(s);
|
582 | this.apply = function(ctx) {
|
583 | ctx.translate(this.p.x || 0.0, this.p.y || 0.0);
|
584 | }
|
585 | this.unapply = function(ctx) {
|
586 | ctx.translate(-1.0 * this.p.x || 0.0, -1.0 * this.p.y || 0.0);
|
587 | }
|
588 | this.applyToPoint = function(p) {
|
589 | p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
|
590 | }
|
591 | }
|
592 |
|
593 |
|
594 | this.Type.rotate = function(s) {
|
595 | var a = svg.ToNumberArray(s);
|
596 | this.angle = new svg.Property('angle', a[0]);
|
597 | this.cx = a[1] || 0;
|
598 | this.cy = a[2] || 0;
|
599 | this.apply = function(ctx) {
|
600 | ctx.translate(this.cx, this.cy);
|
601 | ctx.rotate(this.angle.toRadians());
|
602 | ctx.translate(-this.cx, -this.cy);
|
603 | }
|
604 | this.unapply = function(ctx) {
|
605 | ctx.translate(this.cx, this.cy);
|
606 | ctx.rotate(-1.0 * this.angle.toRadians());
|
607 | ctx.translate(-this.cx, -this.cy);
|
608 | }
|
609 | this.applyToPoint = function(p) {
|
610 | var a = this.angle.toRadians();
|
611 | p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
|
612 | p.applyTransform([Math.cos(a), Math.sin(a), -Math.sin(a), Math.cos(a), 0, 0]);
|
613 | p.applyTransform([1, 0, 0, 1, -this.p.x || 0.0, -this.p.y || 0.0]);
|
614 | }
|
615 | }
|
616 |
|
617 | this.Type.scale = function(s) {
|
618 | this.p = svg.CreatePoint(s);
|
619 | this.apply = function(ctx) {
|
620 | ctx.scale(this.p.x || 1.0, this.p.y || this.p.x || 1.0);
|
621 | }
|
622 | this.unapply = function(ctx) {
|
623 | ctx.scale(1.0 / this.p.x || 1.0, 1.0 / this.p.y || this.p.x || 1.0);
|
624 | }
|
625 | this.applyToPoint = function(p) {
|
626 | p.applyTransform([this.p.x || 0.0, 0, 0, this.p.y || 0.0, 0, 0]);
|
627 | }
|
628 | }
|
629 |
|
630 | this.Type.matrix = function(s) {
|
631 | this.m = svg.ToNumberArray(s);
|
632 | this.apply = function(ctx) {
|
633 | ctx.transform(this.m[0], this.m[1], this.m[2], this.m[3], this.m[4], this.m[5]);
|
634 | }
|
635 | this.unapply = function(ctx) {
|
636 | var a = this.m[0];
|
637 | var b = this.m[2];
|
638 | var c = this.m[4];
|
639 | var d = this.m[1];
|
640 | var e = this.m[3];
|
641 | var f = this.m[5];
|
642 | var g = 0.0;
|
643 | var h = 0.0;
|
644 | var i = 1.0;
|
645 | var det = 1 / (a*(e*i-f*h)-b*(d*i-f*g)+c*(d*h-e*g));
|
646 | ctx.transform(
|
647 | det*(e*i-f*h),
|
648 | det*(f*g-d*i),
|
649 | det*(c*h-b*i),
|
650 | det*(a*i-c*g),
|
651 | det*(b*f-c*e),
|
652 | det*(c*d-a*f)
|
653 | );
|
654 | }
|
655 | this.applyToPoint = function(p) {
|
656 | p.applyTransform(this.m);
|
657 | }
|
658 | }
|
659 |
|
660 | this.Type.SkewBase = function(s) {
|
661 | this.base = that.Type.matrix;
|
662 | this.base(s);
|
663 | this.angle = new svg.Property('angle', s);
|
664 | }
|
665 | this.Type.SkewBase.prototype = new this.Type.matrix;
|
666 |
|
667 | this.Type.skewX = function(s) {
|
668 | this.base = that.Type.SkewBase;
|
669 | this.base(s);
|
670 | this.m = [1, 0, Math.tan(this.angle.toRadians()), 1, 0, 0];
|
671 | }
|
672 | this.Type.skewX.prototype = new this.Type.SkewBase;
|
673 |
|
674 | this.Type.skewY = function(s) {
|
675 | this.base = that.Type.SkewBase;
|
676 | this.base(s);
|
677 | this.m = [1, Math.tan(this.angle.toRadians()), 0, 1, 0, 0];
|
678 | }
|
679 | this.Type.skewY.prototype = new this.Type.SkewBase;
|
680 |
|
681 | this.transforms = [];
|
682 |
|
683 | this.apply = function(ctx) {
|
684 | for (var i=0; i<this.transforms.length; i++) {
|
685 | this.transforms[i].apply(ctx);
|
686 | }
|
687 | }
|
688 |
|
689 | this.unapply = function(ctx) {
|
690 | for (var i=this.transforms.length-1; i>=0; i--) {
|
691 | this.transforms[i].unapply(ctx);
|
692 | }
|
693 | }
|
694 |
|
695 | this.applyToPoint = function(p) {
|
696 | for (var i=0; i<this.transforms.length; i++) {
|
697 | this.transforms[i].applyToPoint(p);
|
698 | }
|
699 | }
|
700 |
|
701 | var data = svg.trim(svg.compressSpaces(v)).replace(/\)([a-zA-Z])/g, ') $1').replace(/\)(\s?,\s?)/g,') ').split(/\s(?=[a-z])/);
|
702 | for (var i=0; i<data.length; i++) {
|
703 | var type = svg.trim(data[i].split('(')[0]);
|
704 | var s = data[i].split('(')[1].replace(')','');
|
705 | var transform = new this.Type[type](s);
|
706 | transform.type = type;
|
707 | this.transforms.push(transform);
|
708 | }
|
709 | }
|
710 |
|
711 |
|
712 | svg.AspectRatio = function(ctx, aspectRatio, width, desiredWidth, height, desiredHeight, minX, minY, refX, refY) {
|
713 |
|
714 | aspectRatio = svg.compressSpaces(aspectRatio);
|
715 | aspectRatio = aspectRatio.replace(/^defer\s/,'');
|
716 | var align = aspectRatio.split(' ')[0] || 'xMidYMid';
|
717 | var meetOrSlice = aspectRatio.split(' ')[1] || 'meet';
|
718 |
|
719 |
|
720 | var scaleX = width / desiredWidth;
|
721 | var scaleY = height / desiredHeight;
|
722 | var scaleMin = Math.min(scaleX, scaleY);
|
723 | var scaleMax = Math.max(scaleX, scaleY);
|
724 | if (meetOrSlice == 'meet') { desiredWidth *= scaleMin; desiredHeight *= scaleMin; }
|
725 | if (meetOrSlice == 'slice') { desiredWidth *= scaleMax; desiredHeight *= scaleMax; }
|
726 |
|
727 | refX = new svg.Property('refX', refX);
|
728 | refY = new svg.Property('refY', refY);
|
729 | if (refX.hasValue() && refY.hasValue()) {
|
730 | ctx.translate(-scaleMin * refX.toPixels('x'), -scaleMin * refY.toPixels('y'));
|
731 | }
|
732 | else {
|
733 |
|
734 | if (align.match(/^xMid/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width / 2.0 - desiredWidth / 2.0, 0);
|
735 | if (align.match(/YMid$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height / 2.0 - desiredHeight / 2.0);
|
736 | if (align.match(/^xMax/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width - desiredWidth, 0);
|
737 | if (align.match(/YMax$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height - desiredHeight);
|
738 | }
|
739 |
|
740 |
|
741 | if (align == 'none') ctx.scale(scaleX, scaleY);
|
742 | else if (meetOrSlice == 'meet') ctx.scale(scaleMin, scaleMin);
|
743 | else if (meetOrSlice == 'slice') ctx.scale(scaleMax, scaleMax);
|
744 |
|
745 |
|
746 | ctx.translate(minX == null ? 0 : -minX, minY == null ? 0 : -minY);
|
747 | }
|
748 |
|
749 |
|
750 | svg.Element = {}
|
751 |
|
752 | svg.EmptyProperty = new svg.Property('EMPTY', '');
|
753 |
|
754 | svg.Element.ElementBase = function(node) {
|
755 | this.attributes = {};
|
756 | this.styles = {};
|
757 | this.stylesSpecificity = {};
|
758 | this.children = [];
|
759 |
|
760 |
|
761 | this.attribute = function(name, createIfNotExists) {
|
762 | var a = this.attributes[name];
|
763 | if (a != null) return a;
|
764 |
|
765 | if (createIfNotExists == true) { a = new svg.Property(name, ''); this.attributes[name] = a; }
|
766 | return a || svg.EmptyProperty;
|
767 | }
|
768 |
|
769 | this.getHrefAttribute = function() {
|
770 | for (var a in this.attributes) {
|
771 | if (a == 'href' || a.match(/:href$/)) {
|
772 | return this.attributes[a];
|
773 | }
|
774 | }
|
775 | return svg.EmptyProperty;
|
776 | }
|
777 |
|
778 |
|
779 | this.style = function(name, createIfNotExists, skipAncestors) {
|
780 | var s = this.styles[name];
|
781 | if (s != null) return s;
|
782 |
|
783 | var a = this.attribute(name);
|
784 | if (a != null && a.hasValue()) {
|
785 | this.styles[name] = a;
|
786 | return a;
|
787 | }
|
788 |
|
789 | if (skipAncestors != true) {
|
790 | var p = this.parent;
|
791 | if (p != null) {
|
792 | var ps = p.style(name);
|
793 | if (ps != null && ps.hasValue()) {
|
794 | return ps;
|
795 | }
|
796 | }
|
797 | }
|
798 |
|
799 | if (createIfNotExists == true) { s = new svg.Property(name, ''); this.styles[name] = s; }
|
800 | return s || svg.EmptyProperty;
|
801 | }
|
802 |
|
803 |
|
804 | this.render = function(ctx) {
|
805 |
|
806 | if (this.style('display').value == 'none') return;
|
807 |
|
808 |
|
809 | if (this.style('visibility').value == 'hidden') return;
|
810 |
|
811 | ctx.save();
|
812 | if (this.style('mask').hasValue()) {
|
813 | var mask = this.style('mask').getDefinition();
|
814 | if (mask != null) mask.apply(ctx, this);
|
815 | }
|
816 | else if (this.style('filter').hasValue()) {
|
817 | var filter = this.style('filter').getDefinition();
|
818 | if (filter != null) filter.apply(ctx, this);
|
819 | }
|
820 | else {
|
821 | this.setContext(ctx);
|
822 | this.renderChildren(ctx);
|
823 | this.clearContext(ctx);
|
824 | }
|
825 | ctx.restore();
|
826 | }
|
827 |
|
828 |
|
829 | this.setContext = function(ctx) {
|
830 |
|
831 | }
|
832 |
|
833 |
|
834 | this.clearContext = function(ctx) {
|
835 |
|
836 | }
|
837 |
|
838 |
|
839 | this.renderChildren = function(ctx) {
|
840 | for (var i=0; i<this.children.length; i++) {
|
841 | this.children[i].render(ctx);
|
842 | }
|
843 | }
|
844 |
|
845 | this.addChild = function(childNode, create) {
|
846 | var child = childNode;
|
847 | if (create) child = svg.CreateElement(childNode);
|
848 | child.parent = this;
|
849 | if (child.type != 'title') { this.children.push(child); }
|
850 | }
|
851 |
|
852 | this.addStylesFromStyleDefinition = function () {
|
853 |
|
854 | for (var selector in svg.Styles) {
|
855 | if (selector[0] != '@' && matchesSelector(node, selector)) {
|
856 | var styles = svg.Styles[selector];
|
857 | var specificity = svg.StylesSpecificity[selector];
|
858 | if (styles != null) {
|
859 | for (var name in styles) {
|
860 | var existingSpecificity = this.stylesSpecificity[name];
|
861 | if (typeof(existingSpecificity) == 'undefined') {
|
862 | existingSpecificity = '000';
|
863 | }
|
864 | if (specificity > existingSpecificity) {
|
865 | this.styles[name] = styles[name];
|
866 | this.stylesSpecificity[name] = specificity;
|
867 | }
|
868 | }
|
869 | }
|
870 | }
|
871 | }
|
872 | };
|
873 |
|
874 | if (node != null && node.nodeType == 1) {
|
875 |
|
876 | for (var i=0; i<node.attributes.length; i++) {
|
877 | var attribute = node.attributes[i];
|
878 | this.attributes[attribute.nodeName] = new svg.Property(attribute.nodeName, attribute.value);
|
879 | }
|
880 |
|
881 | this.addStylesFromStyleDefinition();
|
882 |
|
883 |
|
884 | if (this.attribute('style').hasValue()) {
|
885 | var styles = this.attribute('style').value.split(';');
|
886 | for (var i=0; i<styles.length; i++) {
|
887 | if (svg.trim(styles[i]) != '') {
|
888 | var style = styles[i].split(':');
|
889 | var name = svg.trim(style[0]);
|
890 | var value = svg.trim(style[1]);
|
891 | this.styles[name] = new svg.Property(name, value);
|
892 | }
|
893 | }
|
894 | }
|
895 |
|
896 |
|
897 | if (this.attribute('id').hasValue()) {
|
898 | if (svg.Definitions[this.attribute('id').value] == null) {
|
899 | svg.Definitions[this.attribute('id').value] = this;
|
900 | }
|
901 | }
|
902 |
|
903 |
|
904 | for (var i=0; i<node.childNodes.length; i++) {
|
905 | var childNode = node.childNodes[i];
|
906 | if (childNode.nodeType == 1) this.addChild(childNode, true);
|
907 | if (this.captureTextNodes && (childNode.nodeType == 3 || childNode.nodeType == 4)) {
|
908 | var text = childNode.value || childNode.text || childNode.textContent || '';
|
909 | if (svg.compressSpaces(text) != '') {
|
910 | this.addChild(new svg.Element.tspan(childNode), false);
|
911 | }
|
912 | }
|
913 | }
|
914 | }
|
915 | }
|
916 |
|
917 | svg.Element.RenderedElementBase = function(node) {
|
918 | this.base = svg.Element.ElementBase;
|
919 | this.base(node);
|
920 |
|
921 | this.setContext = function(ctx) {
|
922 |
|
923 | if (this.style('fill').isUrlDefinition()) {
|
924 | var fs = this.style('fill').getFillStyleDefinition(this, this.style('fill-opacity'));
|
925 | if (fs != null) ctx.fillStyle = fs;
|
926 | }
|
927 | else if (this.style('fill').hasValue()) {
|
928 | var fillStyle = this.style('fill');
|
929 | if (fillStyle.value == 'currentColor') fillStyle.value = this.style('color').value;
|
930 | if (fillStyle.value != 'inherit') ctx.fillStyle = (fillStyle.value == 'none' ? 'rgba(0,0,0,0)' : fillStyle.value);
|
931 | }
|
932 | if (this.style('fill-opacity').hasValue()) {
|
933 | var fillStyle = new svg.Property('fill', ctx.fillStyle);
|
934 | fillStyle = fillStyle.addOpacity(this.style('fill-opacity'));
|
935 | ctx.fillStyle = fillStyle.value;
|
936 | }
|
937 |
|
938 |
|
939 | if (this.style('stroke').isUrlDefinition()) {
|
940 | var fs = this.style('stroke').getFillStyleDefinition(this, this.style('stroke-opacity'));
|
941 | if (fs != null) ctx.strokeStyle = fs;
|
942 | }
|
943 | else if (this.style('stroke').hasValue()) {
|
944 | var strokeStyle = this.style('stroke');
|
945 | if (strokeStyle.value == 'currentColor') strokeStyle.value = this.style('color').value;
|
946 | if (strokeStyle.value != 'inherit') ctx.strokeStyle = (strokeStyle.value == 'none' ? 'rgba(0,0,0,0)' : strokeStyle.value);
|
947 | }
|
948 | if (this.style('stroke-opacity').hasValue()) {
|
949 | var strokeStyle = new svg.Property('stroke', ctx.strokeStyle);
|
950 | strokeStyle = strokeStyle.addOpacity(this.style('stroke-opacity'));
|
951 | ctx.strokeStyle = strokeStyle.value;
|
952 | }
|
953 | if (this.style('stroke-width').hasValue()) {
|
954 | var newLineWidth = this.style('stroke-width').toPixels();
|
955 | ctx.lineWidth = newLineWidth == 0 ? 0.001 : newLineWidth;
|
956 | }
|
957 | if (this.style('stroke-linecap').hasValue()) ctx.lineCap = this.style('stroke-linecap').value;
|
958 | if (this.style('stroke-linejoin').hasValue()) ctx.lineJoin = this.style('stroke-linejoin').value;
|
959 | if (this.style('stroke-miterlimit').hasValue()) ctx.miterLimit = this.style('stroke-miterlimit').value;
|
960 | if (this.style('stroke-dasharray').hasValue() && this.style('stroke-dasharray').value != 'none') {
|
961 | var gaps = svg.ToNumberArray(this.style('stroke-dasharray').value);
|
962 | if (typeof(ctx.setLineDash) != 'undefined') { ctx.setLineDash(gaps); }
|
963 | else if (typeof(ctx.webkitLineDash) != 'undefined') { ctx.webkitLineDash = gaps; }
|
964 | else if (typeof(ctx.mozDash) != 'undefined' && !(gaps.length==1 && gaps[0]==0)) { ctx.mozDash = gaps; }
|
965 |
|
966 | var offset = this.style('stroke-dashoffset').numValueOrDefault(1);
|
967 | if (typeof(ctx.lineDashOffset) != 'undefined') { ctx.lineDashOffset = offset; }
|
968 | else if (typeof(ctx.webkitLineDashOffset) != 'undefined') { ctx.webkitLineDashOffset = offset; }
|
969 | else if (typeof(ctx.mozDashOffset) != 'undefined') { ctx.mozDashOffset = offset; }
|
970 | }
|
971 |
|
972 |
|
973 | if (typeof(ctx.font) != 'undefined') {
|
974 | ctx.font = svg.Font.CreateFont(
|
975 | this.style('font-style').value,
|
976 | this.style('font-variant').value,
|
977 | this.style('font-weight').value,
|
978 | this.style('font-size').hasValue() ? this.style('font-size').toPixels() + 'px' : '',
|
979 | this.style('font-family').value).toString();
|
980 | }
|
981 |
|
982 |
|
983 | if (this.style('transform', false, true).hasValue()) {
|
984 | var transform = new svg.Transform(this.style('transform', false, true).value);
|
985 | transform.apply(ctx);
|
986 | }
|
987 |
|
988 |
|
989 | if (this.style('clip-path', false, true).hasValue()) {
|
990 | var clip = this.style('clip-path', false, true).getDefinition();
|
991 | if (clip != null) clip.apply(ctx);
|
992 | }
|
993 |
|
994 |
|
995 | if (this.style('opacity').hasValue()) {
|
996 | ctx.globalAlpha = this.style('opacity').numValue();
|
997 | }
|
998 | }
|
999 | }
|
1000 | svg.Element.RenderedElementBase.prototype = new svg.Element.ElementBase;
|
1001 |
|
1002 | svg.Element.PathElementBase = function(node) {
|
1003 | this.base = svg.Element.RenderedElementBase;
|
1004 | this.base(node);
|
1005 |
|
1006 | this.path = function(ctx) {
|
1007 | if (ctx != null) ctx.beginPath();
|
1008 | return new svg.BoundingBox();
|
1009 | }
|
1010 |
|
1011 | this.renderChildren = function(ctx) {
|
1012 | this.path(ctx);
|
1013 | svg.Mouse.checkPath(this, ctx);
|
1014 | if (ctx.fillStyle != '') {
|
1015 | if (this.style('fill-rule').valueOrDefault('inherit') != 'inherit') { ctx.fill(this.style('fill-rule').value); }
|
1016 | else { ctx.fill(); }
|
1017 | }
|
1018 | if (ctx.strokeStyle != '') ctx.stroke();
|
1019 |
|
1020 | var markers = this.getMarkers();
|
1021 | if (markers != null) {
|
1022 | if (this.style('marker-start').isUrlDefinition()) {
|
1023 | var marker = this.style('marker-start').getDefinition();
|
1024 | marker.render(ctx, markers[0][0], markers[0][1]);
|
1025 | }
|
1026 | if (this.style('marker-mid').isUrlDefinition()) {
|
1027 | var marker = this.style('marker-mid').getDefinition();
|
1028 | for (var i=1;i<markers.length-1;i++) {
|
1029 | marker.render(ctx, markers[i][0], markers[i][1]);
|
1030 | }
|
1031 | }
|
1032 | if (this.style('marker-end').isUrlDefinition()) {
|
1033 | var marker = this.style('marker-end').getDefinition();
|
1034 | marker.render(ctx, markers[markers.length-1][0], markers[markers.length-1][1]);
|
1035 | }
|
1036 | }
|
1037 | }
|
1038 |
|
1039 | this.getBoundingBox = function() {
|
1040 | return this.path();
|
1041 | }
|
1042 |
|
1043 | this.getMarkers = function() {
|
1044 | return null;
|
1045 | }
|
1046 | }
|
1047 | svg.Element.PathElementBase.prototype = new svg.Element.RenderedElementBase;
|
1048 |
|
1049 |
|
1050 | svg.Element.svg = function(node) {
|
1051 | this.base = svg.Element.RenderedElementBase;
|
1052 | this.base(node);
|
1053 |
|
1054 | this.baseClearContext = this.clearContext;
|
1055 | this.clearContext = function(ctx) {
|
1056 | this.baseClearContext(ctx);
|
1057 | svg.ViewPort.RemoveCurrent();
|
1058 | }
|
1059 |
|
1060 | this.baseSetContext = this.setContext;
|
1061 | this.setContext = function(ctx) {
|
1062 |
|
1063 | ctx.strokeStyle = 'rgba(0,0,0,0)';
|
1064 | ctx.lineCap = 'butt';
|
1065 | ctx.lineJoin = 'miter';
|
1066 | ctx.miterLimit = 4;
|
1067 | if (typeof(ctx.font) != 'undefined' && typeof(window.getComputedStyle) != 'undefined') {
|
1068 | ctx.font = window.getComputedStyle(ctx.canvas).getPropertyValue('font');
|
1069 | }
|
1070 |
|
1071 | this.baseSetContext(ctx);
|
1072 |
|
1073 |
|
1074 | if (!this.attribute('x').hasValue()) this.attribute('x', true).value = 0;
|
1075 | if (!this.attribute('y').hasValue()) this.attribute('y', true).value = 0;
|
1076 | ctx.translate(this.attribute('x').toPixels('x'), this.attribute('y').toPixels('y'));
|
1077 |
|
1078 | var width = svg.ViewPort.width();
|
1079 | var height = svg.ViewPort.height();
|
1080 |
|
1081 | if (!this.attribute('width').hasValue()) this.attribute('width', true).value = '100%';
|
1082 | if (!this.attribute('height').hasValue()) this.attribute('height', true).value = '100%';
|
1083 | if (typeof(this.root) == 'undefined') {
|
1084 | width = this.attribute('width').toPixels('x');
|
1085 | height = this.attribute('height').toPixels('y');
|
1086 |
|
1087 | var x = 0;
|
1088 | var y = 0;
|
1089 | if (this.attribute('refX').hasValue() && this.attribute('refY').hasValue()) {
|
1090 | x = -this.attribute('refX').toPixels('x');
|
1091 | y = -this.attribute('refY').toPixels('y');
|
1092 | }
|
1093 |
|
1094 | if (this.attribute('overflow').valueOrDefault('hidden') != 'visible') {
|
1095 | ctx.beginPath();
|
1096 | ctx.moveTo(x, y);
|
1097 | ctx.lineTo(width, y);
|
1098 | ctx.lineTo(width, height);
|
1099 | ctx.lineTo(x, height);
|
1100 | ctx.closePath();
|
1101 | ctx.clip();
|
1102 | }
|
1103 | }
|
1104 | svg.ViewPort.SetCurrent(width, height);
|
1105 |
|
1106 |
|
1107 | if (this.attribute('viewBox').hasValue()) {
|
1108 | var viewBox = svg.ToNumberArray(this.attribute('viewBox').value);
|
1109 | var minX = viewBox[0];
|
1110 | var minY = viewBox[1];
|
1111 | width = viewBox[2];
|
1112 | height = viewBox[3];
|
1113 |
|
1114 | svg.AspectRatio(ctx,
|
1115 | this.attribute('preserveAspectRatio').value,
|
1116 | svg.ViewPort.width(),
|
1117 | width,
|
1118 | svg.ViewPort.height(),
|
1119 | height,
|
1120 | minX,
|
1121 | minY,
|
1122 | this.attribute('refX').value,
|
1123 | this.attribute('refY').value);
|
1124 |
|
1125 | svg.ViewPort.RemoveCurrent();
|
1126 | svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]);
|
1127 | }
|
1128 | }
|
1129 | }
|
1130 | svg.Element.svg.prototype = new svg.Element.RenderedElementBase;
|
1131 |
|
1132 |
|
1133 | svg.Element.rect = function(node) {
|
1134 | this.base = svg.Element.PathElementBase;
|
1135 | this.base(node);
|
1136 |
|
1137 | this.path = function(ctx) {
|
1138 | var x = this.attribute('x').toPixels('x');
|
1139 | var y = this.attribute('y').toPixels('y');
|
1140 | var width = this.attribute('width').toPixels('x');
|
1141 | var height = this.attribute('height').toPixels('y');
|
1142 | var rx = this.attribute('rx').toPixels('x');
|
1143 | var ry = this.attribute('ry').toPixels('y');
|
1144 | if (this.attribute('rx').hasValue() && !this.attribute('ry').hasValue()) ry = rx;
|
1145 | if (this.attribute('ry').hasValue() && !this.attribute('rx').hasValue()) rx = ry;
|
1146 | rx = Math.min(rx, width / 2.0);
|
1147 | ry = Math.min(ry, height / 2.0);
|
1148 | if (ctx != null) {
|
1149 | ctx.beginPath();
|
1150 | ctx.moveTo(x + rx, y);
|
1151 | ctx.lineTo(x + width - rx, y);
|
1152 | ctx.quadraticCurveTo(x + width, y, x + width, y + ry)
|
1153 | ctx.lineTo(x + width, y + height - ry);
|
1154 | ctx.quadraticCurveTo(x + width, y + height, x + width - rx, y + height)
|
1155 | ctx.lineTo(x + rx, y + height);
|
1156 | ctx.quadraticCurveTo(x, y + height, x, y + height - ry)
|
1157 | ctx.lineTo(x, y + ry);
|
1158 | ctx.quadraticCurveTo(x, y, x + rx, y)
|
1159 | ctx.closePath();
|
1160 | }
|
1161 |
|
1162 | return new svg.BoundingBox(x, y, x + width, y + height);
|
1163 | }
|
1164 | }
|
1165 | svg.Element.rect.prototype = new svg.Element.PathElementBase;
|
1166 |
|
1167 |
|
1168 | svg.Element.circle = function(node) {
|
1169 | this.base = svg.Element.PathElementBase;
|
1170 | this.base(node);
|
1171 |
|
1172 | this.path = function(ctx) {
|
1173 | var cx = this.attribute('cx').toPixels('x');
|
1174 | var cy = this.attribute('cy').toPixels('y');
|
1175 | var r = this.attribute('r').toPixels();
|
1176 |
|
1177 | if (ctx != null) {
|
1178 | ctx.beginPath();
|
1179 | ctx.arc(cx, cy, r, 0, Math.PI * 2, true);
|
1180 | ctx.closePath();
|
1181 | }
|
1182 |
|
1183 | return new svg.BoundingBox(cx - r, cy - r, cx + r, cy + r);
|
1184 | }
|
1185 | }
|
1186 | svg.Element.circle.prototype = new svg.Element.PathElementBase;
|
1187 |
|
1188 |
|
1189 | svg.Element.ellipse = function(node) {
|
1190 | this.base = svg.Element.PathElementBase;
|
1191 | this.base(node);
|
1192 |
|
1193 | this.path = function(ctx) {
|
1194 | var KAPPA = 4 * ((Math.sqrt(2) - 1) / 3);
|
1195 | var rx = this.attribute('rx').toPixels('x');
|
1196 | var ry = this.attribute('ry').toPixels('y');
|
1197 | var cx = this.attribute('cx').toPixels('x');
|
1198 | var cy = this.attribute('cy').toPixels('y');
|
1199 |
|
1200 | if (ctx != null) {
|
1201 | ctx.beginPath();
|
1202 | ctx.moveTo(cx, cy - ry);
|
1203 | ctx.bezierCurveTo(cx + (KAPPA * rx), cy - ry, cx + rx, cy - (KAPPA * ry), cx + rx, cy);
|
1204 | ctx.bezierCurveTo(cx + rx, cy + (KAPPA * ry), cx + (KAPPA * rx), cy + ry, cx, cy + ry);
|
1205 | ctx.bezierCurveTo(cx - (KAPPA * rx), cy + ry, cx - rx, cy + (KAPPA * ry), cx - rx, cy);
|
1206 | ctx.bezierCurveTo(cx - rx, cy - (KAPPA * ry), cx - (KAPPA * rx), cy - ry, cx, cy - ry);
|
1207 | ctx.closePath();
|
1208 | }
|
1209 |
|
1210 | return new svg.BoundingBox(cx - rx, cy - ry, cx + rx, cy + ry);
|
1211 | }
|
1212 | }
|
1213 | svg.Element.ellipse.prototype = new svg.Element.PathElementBase;
|
1214 |
|
1215 |
|
1216 | svg.Element.line = function(node) {
|
1217 | this.base = svg.Element.PathElementBase;
|
1218 | this.base(node);
|
1219 |
|
1220 | this.getPoints = function() {
|
1221 | return [
|
1222 | new svg.Point(this.attribute('x1').toPixels('x'), this.attribute('y1').toPixels('y')),
|
1223 | new svg.Point(this.attribute('x2').toPixels('x'), this.attribute('y2').toPixels('y'))];
|
1224 | }
|
1225 |
|
1226 | this.path = function(ctx) {
|
1227 | var points = this.getPoints();
|
1228 |
|
1229 | if (ctx != null) {
|
1230 | ctx.beginPath();
|
1231 | ctx.moveTo(points[0].x, points[0].y);
|
1232 | ctx.lineTo(points[1].x, points[1].y);
|
1233 | }
|
1234 |
|
1235 | return new svg.BoundingBox(points[0].x, points[0].y, points[1].x, points[1].y);
|
1236 | }
|
1237 |
|
1238 | this.getMarkers = function() {
|
1239 | var points = this.getPoints();
|
1240 | var a = points[0].angleTo(points[1]);
|
1241 | return [[points[0], a], [points[1], a]];
|
1242 | }
|
1243 | }
|
1244 | svg.Element.line.prototype = new svg.Element.PathElementBase;
|
1245 |
|
1246 |
|
1247 | svg.Element.polyline = function(node) {
|
1248 | this.base = svg.Element.PathElementBase;
|
1249 | this.base(node);
|
1250 |
|
1251 | this.points = svg.CreatePath(this.attribute('points').value);
|
1252 | this.path = function(ctx) {
|
1253 | var bb = new svg.BoundingBox(this.points[0].x, this.points[0].y);
|
1254 | if (ctx != null) {
|
1255 | ctx.beginPath();
|
1256 | ctx.moveTo(this.points[0].x, this.points[0].y);
|
1257 | }
|
1258 | for (var i=1; i<this.points.length; i++) {
|
1259 | bb.addPoint(this.points[i].x, this.points[i].y);
|
1260 | if (ctx != null) ctx.lineTo(this.points[i].x, this.points[i].y);
|
1261 | }
|
1262 | return bb;
|
1263 | }
|
1264 |
|
1265 | this.getMarkers = function() {
|
1266 | var markers = [];
|
1267 | for (var i=0; i<this.points.length - 1; i++) {
|
1268 | markers.push([this.points[i], this.points[i].angleTo(this.points[i+1])]);
|
1269 | }
|
1270 | markers.push([this.points[this.points.length-1], markers[markers.length-1][1]]);
|
1271 | return markers;
|
1272 | }
|
1273 | }
|
1274 | svg.Element.polyline.prototype = new svg.Element.PathElementBase;
|
1275 |
|
1276 |
|
1277 | svg.Element.polygon = function(node) {
|
1278 | this.base = svg.Element.polyline;
|
1279 | this.base(node);
|
1280 |
|
1281 | this.basePath = this.path;
|
1282 | this.path = function(ctx) {
|
1283 | var bb = this.basePath(ctx);
|
1284 | if (ctx != null) {
|
1285 | ctx.lineTo(this.points[0].x, this.points[0].y);
|
1286 | ctx.closePath();
|
1287 | }
|
1288 | return bb;
|
1289 | }
|
1290 | }
|
1291 | svg.Element.polygon.prototype = new svg.Element.polyline;
|
1292 |
|
1293 |
|
1294 | svg.Element.path = function(node) {
|
1295 | this.base = svg.Element.PathElementBase;
|
1296 | this.base(node);
|
1297 |
|
1298 | var d = this.attribute('d').value;
|
1299 |
|
1300 | d = d.replace(/,/gm,' ');
|
1301 |
|
1302 | for(var i=0; i<2; i++)
|
1303 | d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([^\s])/gm,'$1 $2');
|
1304 | d = d.replace(/([^\s])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2');
|
1305 | d = d.replace(/([0-9])([+\-])/gm,'$1 $2');
|
1306 |
|
1307 | for(var i=0; i<2; i++)
|
1308 | d = d.replace(/(\.[0-9]*)(\.)/gm,'$1 $2');
|
1309 | d = d.replace(/([Aa](\s+[0-9]+){3})\s+([01])\s*([01])/gm,'$1 $3 $4 ');
|
1310 | d = svg.compressSpaces(d);
|
1311 | d = svg.trim(d);
|
1312 | this.PathParser = new (function(d) {
|
1313 | this.tokens = d.split(' ');
|
1314 |
|
1315 | this.reset = function() {
|
1316 | this.i = -1;
|
1317 | this.command = '';
|
1318 | this.previousCommand = '';
|
1319 | this.start = new svg.Point(0, 0);
|
1320 | this.control = new svg.Point(0, 0);
|
1321 | this.current = new svg.Point(0, 0);
|
1322 | this.points = [];
|
1323 | this.angles = [];
|
1324 | }
|
1325 |
|
1326 | this.isEnd = function() {
|
1327 | return this.i >= this.tokens.length - 1;
|
1328 | }
|
1329 |
|
1330 | this.isCommandOrEnd = function() {
|
1331 | if (this.isEnd()) return true;
|
1332 | return this.tokens[this.i + 1].match(/^[A-Za-z]$/) != null;
|
1333 | }
|
1334 |
|
1335 | this.isRelativeCommand = function() {
|
1336 | switch(this.command)
|
1337 | {
|
1338 | case 'm':
|
1339 | case 'l':
|
1340 | case 'h':
|
1341 | case 'v':
|
1342 | case 'c':
|
1343 | case 's':
|
1344 | case 'q':
|
1345 | case 't':
|
1346 | case 'a':
|
1347 | case 'z':
|
1348 | return true;
|
1349 | break;
|
1350 | }
|
1351 | return false;
|
1352 | }
|
1353 |
|
1354 | this.getToken = function() {
|
1355 | this.i++;
|
1356 | return this.tokens[this.i];
|
1357 | }
|
1358 |
|
1359 | this.getScalar = function() {
|
1360 | return parseFloat(this.getToken());
|
1361 | }
|
1362 |
|
1363 | this.nextCommand = function() {
|
1364 | this.previousCommand = this.command;
|
1365 | this.command = this.getToken();
|
1366 | }
|
1367 |
|
1368 | this.getPoint = function() {
|
1369 | var p = new svg.Point(this.getScalar(), this.getScalar());
|
1370 | return this.makeAbsolute(p);
|
1371 | }
|
1372 |
|
1373 | this.getAsControlPoint = function() {
|
1374 | var p = this.getPoint();
|
1375 | this.control = p;
|
1376 | return p;
|
1377 | }
|
1378 |
|
1379 | this.getAsCurrentPoint = function() {
|
1380 | var p = this.getPoint();
|
1381 | this.current = p;
|
1382 | return p;
|
1383 | }
|
1384 |
|
1385 | this.getReflectedControlPoint = function() {
|
1386 | if (this.previousCommand.toLowerCase() != 'c' &&
|
1387 | this.previousCommand.toLowerCase() != 's' &&
|
1388 | this.previousCommand.toLowerCase() != 'q' &&
|
1389 | this.previousCommand.toLowerCase() != 't' ){
|
1390 | return this.current;
|
1391 | }
|
1392 |
|
1393 |
|
1394 | var p = new svg.Point(2 * this.current.x - this.control.x, 2 * this.current.y - this.control.y);
|
1395 | return p;
|
1396 | }
|
1397 |
|
1398 | this.makeAbsolute = function(p) {
|
1399 | if (this.isRelativeCommand()) {
|
1400 | p.x += this.current.x;
|
1401 | p.y += this.current.y;
|
1402 | }
|
1403 | return p;
|
1404 | }
|
1405 |
|
1406 | this.addMarker = function(p, from, priorTo) {
|
1407 |
|
1408 | if (priorTo != null && this.angles.length > 0 && this.angles[this.angles.length-1] == null) {
|
1409 | this.angles[this.angles.length-1] = this.points[this.points.length-1].angleTo(priorTo);
|
1410 | }
|
1411 | this.addMarkerAngle(p, from == null ? null : from.angleTo(p));
|
1412 | }
|
1413 |
|
1414 | this.addMarkerAngle = function(p, a) {
|
1415 | this.points.push(p);
|
1416 | this.angles.push(a);
|
1417 | }
|
1418 |
|
1419 | this.getMarkerPoints = function() { return this.points; }
|
1420 | this.getMarkerAngles = function() {
|
1421 | for (var i=0; i<this.angles.length; i++) {
|
1422 | if (this.angles[i] == null) {
|
1423 | for (var j=i+1; j<this.angles.length; j++) {
|
1424 | if (this.angles[j] != null) {
|
1425 | this.angles[i] = this.angles[j];
|
1426 | break;
|
1427 | }
|
1428 | }
|
1429 | }
|
1430 | }
|
1431 | return this.angles;
|
1432 | }
|
1433 | })(d);
|
1434 |
|
1435 | this.path = function(ctx) {
|
1436 | var pp = this.PathParser;
|
1437 | pp.reset();
|
1438 |
|
1439 | var bb = new svg.BoundingBox();
|
1440 | if (ctx != null) ctx.beginPath();
|
1441 | while (!pp.isEnd()) {
|
1442 | pp.nextCommand();
|
1443 | switch (pp.command) {
|
1444 | case 'M':
|
1445 | case 'm':
|
1446 | var p = pp.getAsCurrentPoint();
|
1447 | pp.addMarker(p);
|
1448 | bb.addPoint(p.x, p.y);
|
1449 | if (ctx != null) ctx.moveTo(p.x, p.y);
|
1450 | pp.start = pp.current;
|
1451 | while (!pp.isCommandOrEnd()) {
|
1452 | var p = pp.getAsCurrentPoint();
|
1453 | pp.addMarker(p, pp.start);
|
1454 | bb.addPoint(p.x, p.y);
|
1455 | if (ctx != null) ctx.lineTo(p.x, p.y);
|
1456 | }
|
1457 | break;
|
1458 | case 'L':
|
1459 | case 'l':
|
1460 | while (!pp.isCommandOrEnd()) {
|
1461 | var c = pp.current;
|
1462 | var p = pp.getAsCurrentPoint();
|
1463 | pp.addMarker(p, c);
|
1464 | bb.addPoint(p.x, p.y);
|
1465 | if (ctx != null) ctx.lineTo(p.x, p.y);
|
1466 | }
|
1467 | break;
|
1468 | case 'H':
|
1469 | case 'h':
|
1470 | while (!pp.isCommandOrEnd()) {
|
1471 | var newP = new svg.Point((pp.isRelativeCommand() ? pp.current.x : 0) + pp.getScalar(), pp.current.y);
|
1472 | pp.addMarker(newP, pp.current);
|
1473 | pp.current = newP;
|
1474 | bb.addPoint(pp.current.x, pp.current.y);
|
1475 | if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
|
1476 | }
|
1477 | break;
|
1478 | case 'V':
|
1479 | case 'v':
|
1480 | while (!pp.isCommandOrEnd()) {
|
1481 | var newP = new svg.Point(pp.current.x, (pp.isRelativeCommand() ? pp.current.y : 0) + pp.getScalar());
|
1482 | pp.addMarker(newP, pp.current);
|
1483 | pp.current = newP;
|
1484 | bb.addPoint(pp.current.x, pp.current.y);
|
1485 | if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
|
1486 | }
|
1487 | break;
|
1488 | case 'C':
|
1489 | case 'c':
|
1490 | while (!pp.isCommandOrEnd()) {
|
1491 | var curr = pp.current;
|
1492 | var p1 = pp.getPoint();
|
1493 | var cntrl = pp.getAsControlPoint();
|
1494 | var cp = pp.getAsCurrentPoint();
|
1495 | pp.addMarker(cp, cntrl, p1);
|
1496 | bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
1497 | if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
1498 | }
|
1499 | break;
|
1500 | case 'S':
|
1501 | case 's':
|
1502 | while (!pp.isCommandOrEnd()) {
|
1503 | var curr = pp.current;
|
1504 | var p1 = pp.getReflectedControlPoint();
|
1505 | var cntrl = pp.getAsControlPoint();
|
1506 | var cp = pp.getAsCurrentPoint();
|
1507 | pp.addMarker(cp, cntrl, p1);
|
1508 | bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
1509 | if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
1510 | }
|
1511 | break;
|
1512 | case 'Q':
|
1513 | case 'q':
|
1514 | while (!pp.isCommandOrEnd()) {
|
1515 | var curr = pp.current;
|
1516 | var cntrl = pp.getAsControlPoint();
|
1517 | var cp = pp.getAsCurrentPoint();
|
1518 | pp.addMarker(cp, cntrl, cntrl);
|
1519 | bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
1520 | if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y);
|
1521 | }
|
1522 | break;
|
1523 | case 'T':
|
1524 | case 't':
|
1525 | while (!pp.isCommandOrEnd()) {
|
1526 | var curr = pp.current;
|
1527 | var cntrl = pp.getReflectedControlPoint();
|
1528 | pp.control = cntrl;
|
1529 | var cp = pp.getAsCurrentPoint();
|
1530 | pp.addMarker(cp, cntrl, cntrl);
|
1531 | bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
1532 | if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y);
|
1533 | }
|
1534 | break;
|
1535 | case 'A':
|
1536 | case 'a':
|
1537 | while (!pp.isCommandOrEnd()) {
|
1538 | var curr = pp.current;
|
1539 | var rx = pp.getScalar();
|
1540 | var ry = pp.getScalar();
|
1541 | var xAxisRotation = pp.getScalar() * (Math.PI / 180.0);
|
1542 | var largeArcFlag = pp.getScalar();
|
1543 | var sweepFlag = pp.getScalar();
|
1544 | var cp = pp.getAsCurrentPoint();
|
1545 |
|
1546 |
|
1547 |
|
1548 |
|
1549 | var currp = new svg.Point(
|
1550 | Math.cos(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.sin(xAxisRotation) * (curr.y - cp.y) / 2.0,
|
1551 | -Math.sin(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.cos(xAxisRotation) * (curr.y - cp.y) / 2.0
|
1552 | );
|
1553 |
|
1554 | var l = Math.pow(currp.x,2)/Math.pow(rx,2)+Math.pow(currp.y,2)/Math.pow(ry,2);
|
1555 | if (l > 1) {
|
1556 | rx *= Math.sqrt(l);
|
1557 | ry *= Math.sqrt(l);
|
1558 | }
|
1559 |
|
1560 | var s = (largeArcFlag == sweepFlag ? -1 : 1) * Math.sqrt(
|
1561 | ((Math.pow(rx,2)*Math.pow(ry,2))-(Math.pow(rx,2)*Math.pow(currp.y,2))-(Math.pow(ry,2)*Math.pow(currp.x,2))) /
|
1562 | (Math.pow(rx,2)*Math.pow(currp.y,2)+Math.pow(ry,2)*Math.pow(currp.x,2))
|
1563 | );
|
1564 | if (isNaN(s)) s = 0;
|
1565 | var cpp = new svg.Point(s * rx * currp.y / ry, s * -ry * currp.x / rx);
|
1566 |
|
1567 | var centp = new svg.Point(
|
1568 | (curr.x + cp.x) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y,
|
1569 | (curr.y + cp.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y
|
1570 | );
|
1571 |
|
1572 | var m = function(v) { return Math.sqrt(Math.pow(v[0],2) + Math.pow(v[1],2)); }
|
1573 |
|
1574 | var r = function(u, v) { return (u[0]*v[0]+u[1]*v[1]) / (m(u)*m(v)) }
|
1575 |
|
1576 | var a = function(u, v) { return (u[0]*v[1] < u[1]*v[0] ? -1 : 1) * Math.acos(r(u,v)); }
|
1577 |
|
1578 | var a1 = a([1,0], [(currp.x-cpp.x)/rx,(currp.y-cpp.y)/ry]);
|
1579 |
|
1580 | var u = [(currp.x-cpp.x)/rx,(currp.y-cpp.y)/ry];
|
1581 | var v = [(-currp.x-cpp.x)/rx,(-currp.y-cpp.y)/ry];
|
1582 | var ad = a(u, v);
|
1583 | if (r(u,v) <= -1) ad = Math.PI;
|
1584 | if (r(u,v) >= 1) ad = 0;
|
1585 |
|
1586 |
|
1587 | var dir = 1 - sweepFlag ? 1.0 : -1.0;
|
1588 | var ah = a1 + dir * (ad / 2.0);
|
1589 | var halfWay = new svg.Point(
|
1590 | centp.x + rx * Math.cos(ah),
|
1591 | centp.y + ry * Math.sin(ah)
|
1592 | );
|
1593 | pp.addMarkerAngle(halfWay, ah - dir * Math.PI / 2);
|
1594 | pp.addMarkerAngle(cp, ah - dir * Math.PI);
|
1595 |
|
1596 | bb.addPoint(cp.x, cp.y);
|
1597 | if (ctx != null) {
|
1598 | var r = rx > ry ? rx : ry;
|
1599 | var sx = rx > ry ? 1 : rx / ry;
|
1600 | var sy = rx > ry ? ry / rx : 1;
|
1601 |
|
1602 | ctx.translate(centp.x, centp.y);
|
1603 | ctx.rotate(xAxisRotation);
|
1604 | ctx.scale(sx, sy);
|
1605 | ctx.arc(0, 0, r, a1, a1 + ad, 1 - sweepFlag);
|
1606 | ctx.scale(1/sx, 1/sy);
|
1607 | ctx.rotate(-xAxisRotation);
|
1608 | ctx.translate(-centp.x, -centp.y);
|
1609 | }
|
1610 | }
|
1611 | break;
|
1612 | case 'Z':
|
1613 | case 'z':
|
1614 | if (ctx != null) ctx.closePath();
|
1615 | pp.current = pp.start;
|
1616 | }
|
1617 | }
|
1618 |
|
1619 | return bb;
|
1620 | }
|
1621 |
|
1622 | this.getMarkers = function() {
|
1623 | var points = this.PathParser.getMarkerPoints();
|
1624 | var angles = this.PathParser.getMarkerAngles();
|
1625 |
|
1626 | var markers = [];
|
1627 | for (var i=0; i<points.length; i++) {
|
1628 | markers.push([points[i], angles[i]]);
|
1629 | }
|
1630 | return markers;
|
1631 | }
|
1632 | }
|
1633 | svg.Element.path.prototype = new svg.Element.PathElementBase;
|
1634 |
|
1635 |
|
1636 | svg.Element.pattern = function(node) {
|
1637 | this.base = svg.Element.ElementBase;
|
1638 | this.base(node);
|
1639 |
|
1640 | this.createPattern = function(ctx, element) {
|
1641 | var width = this.attribute('width').toPixels('x', true);
|
1642 | var height = this.attribute('height').toPixels('y', true);
|
1643 |
|
1644 |
|
1645 | var tempSvg = new svg.Element.svg();
|
1646 | tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value);
|
1647 | tempSvg.attributes['width'] = new svg.Property('width', width + 'px');
|
1648 | tempSvg.attributes['height'] = new svg.Property('height', height + 'px');
|
1649 | tempSvg.attributes['transform'] = new svg.Property('transform', this.attribute('patternTransform').value);
|
1650 | tempSvg.children = this.children;
|
1651 |
|
1652 | var c = document.createElement('canvas');
|
1653 | c.width = width;
|
1654 | c.height = height;
|
1655 | var cctx = c.getContext('2d');
|
1656 | if (this.attribute('x').hasValue() && this.attribute('y').hasValue()) {
|
1657 | cctx.translate(this.attribute('x').toPixels('x', true), this.attribute('y').toPixels('y', true));
|
1658 | }
|
1659 |
|
1660 | for (var x=-1; x<=1; x++) {
|
1661 | for (var y=-1; y<=1; y++) {
|
1662 | cctx.save();
|
1663 | tempSvg.attributes['x'] = new svg.Property('x', x * c.width);
|
1664 | tempSvg.attributes['y'] = new svg.Property('y', y * c.height);
|
1665 | tempSvg.render(cctx);
|
1666 | cctx.restore();
|
1667 | }
|
1668 | }
|
1669 | var pattern = ctx.createPattern(c, 'repeat');
|
1670 | return pattern;
|
1671 | }
|
1672 | }
|
1673 | svg.Element.pattern.prototype = new svg.Element.ElementBase;
|
1674 |
|
1675 |
|
1676 | svg.Element.marker = function(node) {
|
1677 | this.base = svg.Element.ElementBase;
|
1678 | this.base(node);
|
1679 |
|
1680 | this.baseRender = this.render;
|
1681 | this.render = function(ctx, point, angle) {
|
1682 | ctx.translate(point.x, point.y);
|
1683 | if (this.attribute('orient').valueOrDefault('auto') == 'auto') ctx.rotate(angle);
|
1684 | if (this.attribute('markerUnits').valueOrDefault('strokeWidth') == 'strokeWidth') ctx.scale(ctx.lineWidth, ctx.lineWidth);
|
1685 | ctx.save();
|
1686 |
|
1687 |
|
1688 | var tempSvg = new svg.Element.svg();
|
1689 | tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value);
|
1690 | tempSvg.attributes['refX'] = new svg.Property('refX', this.attribute('refX').value);
|
1691 | tempSvg.attributes['refY'] = new svg.Property('refY', this.attribute('refY').value);
|
1692 | tempSvg.attributes['width'] = new svg.Property('width', this.attribute('markerWidth').value);
|
1693 | tempSvg.attributes['height'] = new svg.Property('height', this.attribute('markerHeight').value);
|
1694 | tempSvg.attributes['fill'] = new svg.Property('fill', this.attribute('fill').valueOrDefault('black'));
|
1695 | tempSvg.attributes['stroke'] = new svg.Property('stroke', this.attribute('stroke').valueOrDefault('none'));
|
1696 | tempSvg.children = this.children;
|
1697 | tempSvg.render(ctx);
|
1698 |
|
1699 | ctx.restore();
|
1700 | if (this.attribute('markerUnits').valueOrDefault('strokeWidth') == 'strokeWidth') ctx.scale(1/ctx.lineWidth, 1/ctx.lineWidth);
|
1701 | if (this.attribute('orient').valueOrDefault('auto') == 'auto') ctx.rotate(-angle);
|
1702 | ctx.translate(-point.x, -point.y);
|
1703 | }
|
1704 | }
|
1705 | svg.Element.marker.prototype = new svg.Element.ElementBase;
|
1706 |
|
1707 |
|
1708 | svg.Element.defs = function(node) {
|
1709 | this.base = svg.Element.ElementBase;
|
1710 | this.base(node);
|
1711 |
|
1712 | this.render = function(ctx) {
|
1713 |
|
1714 | }
|
1715 | }
|
1716 | svg.Element.defs.prototype = new svg.Element.ElementBase;
|
1717 |
|
1718 |
|
1719 | svg.Element.GradientBase = function(node) {
|
1720 | this.base = svg.Element.ElementBase;
|
1721 | this.base(node);
|
1722 |
|
1723 | this.stops = [];
|
1724 | for (var i=0; i<this.children.length; i++) {
|
1725 | var child = this.children[i];
|
1726 | if (child.type == 'stop') this.stops.push(child);
|
1727 | }
|
1728 |
|
1729 | this.getGradient = function() {
|
1730 |
|
1731 | }
|
1732 |
|
1733 | this.gradientUnits = function () {
|
1734 | return this.attribute('gradientUnits').valueOrDefault('objectBoundingBox');
|
1735 | }
|
1736 |
|
1737 | this.attributesToInherit = ['gradientUnits'];
|
1738 |
|
1739 | this.inheritStopContainer = function (stopsContainer) {
|
1740 | for (var i=0; i<this.attributesToInherit.length; i++) {
|
1741 | var attributeToInherit = this.attributesToInherit[i];
|
1742 | if (!this.attribute(attributeToInherit).hasValue() && stopsContainer.attribute(attributeToInherit).hasValue()) {
|
1743 | this.attribute(attributeToInherit, true).value = stopsContainer.attribute(attributeToInherit).value;
|
1744 | }
|
1745 | }
|
1746 | }
|
1747 |
|
1748 | this.createGradient = function(ctx, element, parentOpacityProp) {
|
1749 | var stopsContainer = this;
|
1750 | if (this.getHrefAttribute().hasValue()) {
|
1751 | stopsContainer = this.getHrefAttribute().getDefinition();
|
1752 | this.inheritStopContainer(stopsContainer);
|
1753 | }
|
1754 |
|
1755 | var addParentOpacity = function (color) {
|
1756 | if (parentOpacityProp.hasValue()) {
|
1757 | var p = new svg.Property('color', color);
|
1758 | return p.addOpacity(parentOpacityProp).value;
|
1759 | }
|
1760 | return color;
|
1761 | };
|
1762 |
|
1763 | var g = this.getGradient(ctx, element);
|
1764 | if (g == null) return addParentOpacity(stopsContainer.stops[stopsContainer.stops.length - 1].color);
|
1765 | for (var i=0; i<stopsContainer.stops.length; i++) {
|
1766 | g.addColorStop(stopsContainer.stops[i].offset, addParentOpacity(stopsContainer.stops[i].color));
|
1767 | }
|
1768 |
|
1769 | if (this.attribute('gradientTransform').hasValue()) {
|
1770 |
|
1771 | var rootView = svg.ViewPort.viewPorts[0];
|
1772 |
|
1773 | var rect = new svg.Element.rect();
|
1774 | rect.attributes['x'] = new svg.Property('x', -svg.MAX_VIRTUAL_PIXELS/3.0);
|
1775 | rect.attributes['y'] = new svg.Property('y', -svg.MAX_VIRTUAL_PIXELS/3.0);
|
1776 | rect.attributes['width'] = new svg.Property('width', svg.MAX_VIRTUAL_PIXELS);
|
1777 | rect.attributes['height'] = new svg.Property('height', svg.MAX_VIRTUAL_PIXELS);
|
1778 |
|
1779 | var group = new svg.Element.g();
|
1780 | group.attributes['transform'] = new svg.Property('transform', this.attribute('gradientTransform').value);
|
1781 | group.children = [ rect ];
|
1782 |
|
1783 | var tempSvg = new svg.Element.svg();
|
1784 | tempSvg.attributes['x'] = new svg.Property('x', 0);
|
1785 | tempSvg.attributes['y'] = new svg.Property('y', 0);
|
1786 | tempSvg.attributes['width'] = new svg.Property('width', rootView.width);
|
1787 | tempSvg.attributes['height'] = new svg.Property('height', rootView.height);
|
1788 | tempSvg.children = [ group ];
|
1789 |
|
1790 | var c = document.createElement('canvas');
|
1791 | c.width = rootView.width;
|
1792 | c.height = rootView.height;
|
1793 | var tempCtx = c.getContext('2d');
|
1794 | tempCtx.fillStyle = g;
|
1795 | tempSvg.render(tempCtx);
|
1796 | return tempCtx.createPattern(c, 'no-repeat');
|
1797 | }
|
1798 |
|
1799 | return g;
|
1800 | }
|
1801 | }
|
1802 | svg.Element.GradientBase.prototype = new svg.Element.ElementBase;
|
1803 |
|
1804 |
|
1805 | svg.Element.linearGradient = function(node) {
|
1806 | this.base = svg.Element.GradientBase;
|
1807 | this.base(node);
|
1808 |
|
1809 | this.attributesToInherit.push('x1');
|
1810 | this.attributesToInherit.push('y1');
|
1811 | this.attributesToInherit.push('x2');
|
1812 | this.attributesToInherit.push('y2');
|
1813 |
|
1814 | this.getGradient = function(ctx, element) {
|
1815 | var bb = this.gradientUnits() == 'objectBoundingBox' ? element.getBoundingBox() : null;
|
1816 |
|
1817 | if (!this.attribute('x1').hasValue()
|
1818 | && !this.attribute('y1').hasValue()
|
1819 | && !this.attribute('x2').hasValue()
|
1820 | && !this.attribute('y2').hasValue()) {
|
1821 | this.attribute('x1', true).value = 0;
|
1822 | this.attribute('y1', true).value = 0;
|
1823 | this.attribute('x2', true).value = 1;
|
1824 | this.attribute('y2', true).value = 0;
|
1825 | }
|
1826 |
|
1827 | var x1 = (this.gradientUnits() == 'objectBoundingBox'
|
1828 | ? bb.x() + bb.width() * this.attribute('x1').numValue()
|
1829 | : this.attribute('x1').toPixels('x'));
|
1830 | var y1 = (this.gradientUnits() == 'objectBoundingBox'
|
1831 | ? bb.y() + bb.height() * this.attribute('y1').numValue()
|
1832 | : this.attribute('y1').toPixels('y'));
|
1833 | var x2 = (this.gradientUnits() == 'objectBoundingBox'
|
1834 | ? bb.x() + bb.width() * this.attribute('x2').numValue()
|
1835 | : this.attribute('x2').toPixels('x'));
|
1836 | var y2 = (this.gradientUnits() == 'objectBoundingBox'
|
1837 | ? bb.y() + bb.height() * this.attribute('y2').numValue()
|
1838 | : this.attribute('y2').toPixels('y'));
|
1839 |
|
1840 | if (x1 == x2 && y1 == y2) return null;
|
1841 | return ctx.createLinearGradient(x1, y1, x2, y2);
|
1842 | }
|
1843 | }
|
1844 | svg.Element.linearGradient.prototype = new svg.Element.GradientBase;
|
1845 |
|
1846 |
|
1847 | svg.Element.radialGradient = function(node) {
|
1848 | this.base = svg.Element.GradientBase;
|
1849 | this.base(node);
|
1850 |
|
1851 | this.attributesToInherit.push('cx');
|
1852 | this.attributesToInherit.push('cy');
|
1853 | this.attributesToInherit.push('r');
|
1854 | this.attributesToInherit.push('fx');
|
1855 | this.attributesToInherit.push('fy');
|
1856 |
|
1857 | this.getGradient = function(ctx, element) {
|
1858 | var bb = element.getBoundingBox();
|
1859 |
|
1860 | if (!this.attribute('cx').hasValue()) this.attribute('cx', true).value = '50%';
|
1861 | if (!this.attribute('cy').hasValue()) this.attribute('cy', true).value = '50%';
|
1862 | if (!this.attribute('r').hasValue()) this.attribute('r', true).value = '50%';
|
1863 |
|
1864 | var cx = (this.gradientUnits() == 'objectBoundingBox'
|
1865 | ? bb.x() + bb.width() * this.attribute('cx').numValue()
|
1866 | : this.attribute('cx').toPixels('x'));
|
1867 | var cy = (this.gradientUnits() == 'objectBoundingBox'
|
1868 | ? bb.y() + bb.height() * this.attribute('cy').numValue()
|
1869 | : this.attribute('cy').toPixels('y'));
|
1870 |
|
1871 | var fx = cx;
|
1872 | var fy = cy;
|
1873 | if (this.attribute('fx').hasValue()) {
|
1874 | fx = (this.gradientUnits() == 'objectBoundingBox'
|
1875 | ? bb.x() + bb.width() * this.attribute('fx').numValue()
|
1876 | : this.attribute('fx').toPixels('x'));
|
1877 | }
|
1878 | if (this.attribute('fy').hasValue()) {
|
1879 | fy = (this.gradientUnits() == 'objectBoundingBox'
|
1880 | ? bb.y() + bb.height() * this.attribute('fy').numValue()
|
1881 | : this.attribute('fy').toPixels('y'));
|
1882 | }
|
1883 |
|
1884 | var r = (this.gradientUnits() == 'objectBoundingBox'
|
1885 | ? (bb.width() + bb.height()) / 2.0 * this.attribute('r').numValue()
|
1886 | : this.attribute('r').toPixels());
|
1887 |
|
1888 | return ctx.createRadialGradient(fx, fy, 0, cx, cy, r);
|
1889 | }
|
1890 | }
|
1891 | svg.Element.radialGradient.prototype = new svg.Element.GradientBase;
|
1892 |
|
1893 |
|
1894 | svg.Element.stop = function(node) {
|
1895 | this.base = svg.Element.ElementBase;
|
1896 | this.base(node);
|
1897 |
|
1898 | this.offset = this.attribute('offset').numValue();
|
1899 | if (this.offset < 0) this.offset = 0;
|
1900 | if (this.offset > 1) this.offset = 1;
|
1901 |
|
1902 | var stopColor = this.style('stop-color', true);
|
1903 | if (stopColor.value === '') stopColor.value = '#000';
|
1904 | if (this.style('stop-opacity').hasValue()) stopColor = stopColor.addOpacity(this.style('stop-opacity'));
|
1905 | this.color = stopColor.value;
|
1906 | }
|
1907 | svg.Element.stop.prototype = new svg.Element.ElementBase;
|
1908 |
|
1909 |
|
1910 | svg.Element.AnimateBase = function(node) {
|
1911 | this.base = svg.Element.ElementBase;
|
1912 | this.base(node);
|
1913 |
|
1914 | svg.Animations.push(this);
|
1915 |
|
1916 | this.duration = 0.0;
|
1917 | this.begin = this.attribute('begin').toMilliseconds();
|
1918 | this.maxDuration = this.begin + this.attribute('dur').toMilliseconds();
|
1919 |
|
1920 | this.getProperty = function() {
|
1921 | var attributeType = this.attribute('attributeType').value;
|
1922 | var attributeName = this.attribute('attributeName').value;
|
1923 |
|
1924 | if (attributeType == 'CSS') {
|
1925 | return this.parent.style(attributeName, true);
|
1926 | }
|
1927 | return this.parent.attribute(attributeName, true);
|
1928 | };
|
1929 |
|
1930 | this.initialValue = null;
|
1931 | this.initialUnits = '';
|
1932 | this.removed = false;
|
1933 |
|
1934 | this.calcValue = function() {
|
1935 |
|
1936 | return '';
|
1937 | }
|
1938 |
|
1939 | this.update = function(delta) {
|
1940 |
|
1941 | if (this.initialValue == null) {
|
1942 | this.initialValue = this.getProperty().value;
|
1943 | this.initialUnits = this.getProperty().getUnits();
|
1944 | }
|
1945 |
|
1946 |
|
1947 | if (this.duration > this.maxDuration) {
|
1948 |
|
1949 | if (this.attribute('repeatCount').value == 'indefinite'
|
1950 | || this.attribute('repeatDur').value == 'indefinite') {
|
1951 | this.duration = 0.0
|
1952 | }
|
1953 | else if (this.attribute('fill').valueOrDefault('remove') == 'freeze' && !this.frozen) {
|
1954 | this.frozen = true;
|
1955 | this.parent.animationFrozen = true;
|
1956 | this.parent.animationFrozenValue = this.getProperty().value;
|
1957 | }
|
1958 | else if (this.attribute('fill').valueOrDefault('remove') == 'remove' && !this.removed) {
|
1959 | this.removed = true;
|
1960 | this.getProperty().value = this.parent.animationFrozen ? this.parent.animationFrozenValue : this.initialValue;
|
1961 | return true;
|
1962 | }
|
1963 | return false;
|
1964 | }
|
1965 | this.duration = this.duration + delta;
|
1966 |
|
1967 |
|
1968 | var updated = false;
|
1969 | if (this.begin < this.duration) {
|
1970 | var newValue = this.calcValue();
|
1971 |
|
1972 | if (this.attribute('type').hasValue()) {
|
1973 |
|
1974 | var type = this.attribute('type').value;
|
1975 | newValue = type + '(' + newValue + ')';
|
1976 | }
|
1977 |
|
1978 | this.getProperty().value = newValue;
|
1979 | updated = true;
|
1980 | }
|
1981 |
|
1982 | return updated;
|
1983 | }
|
1984 |
|
1985 | this.from = this.attribute('from');
|
1986 | this.to = this.attribute('to');
|
1987 | this.values = this.attribute('values');
|
1988 | if (this.values.hasValue()) this.values.value = this.values.value.split(';');
|
1989 |
|
1990 |
|
1991 | this.progress = function() {
|
1992 | var ret = { progress: (this.duration - this.begin) / (this.maxDuration - this.begin) };
|
1993 | if (this.values.hasValue()) {
|
1994 | var p = ret.progress * (this.values.value.length - 1);
|
1995 | var lb = Math.floor(p), ub = Math.ceil(p);
|
1996 | ret.from = new svg.Property('from', parseFloat(this.values.value[lb]));
|
1997 | ret.to = new svg.Property('to', parseFloat(this.values.value[ub]));
|
1998 | ret.progress = (p - lb) / (ub - lb);
|
1999 | }
|
2000 | else {
|
2001 | ret.from = this.from;
|
2002 | ret.to = this.to;
|
2003 | }
|
2004 | return ret;
|
2005 | }
|
2006 | }
|
2007 | svg.Element.AnimateBase.prototype = new svg.Element.ElementBase;
|
2008 |
|
2009 |
|
2010 | svg.Element.animate = function(node) {
|
2011 | this.base = svg.Element.AnimateBase;
|
2012 | this.base(node);
|
2013 |
|
2014 | this.calcValue = function() {
|
2015 | var p = this.progress();
|
2016 |
|
2017 |
|
2018 | var newValue = p.from.numValue() + (p.to.numValue() - p.from.numValue()) * p.progress;
|
2019 | return newValue + this.initialUnits;
|
2020 | };
|
2021 | }
|
2022 | svg.Element.animate.prototype = new svg.Element.AnimateBase;
|
2023 |
|
2024 |
|
2025 | svg.Element.animateColor = function(node) {
|
2026 | this.base = svg.Element.AnimateBase;
|
2027 | this.base(node);
|
2028 |
|
2029 | this.calcValue = function() {
|
2030 | var p = this.progress();
|
2031 | var from = new RGBColor(p.from.value);
|
2032 | var to = new RGBColor(p.to.value);
|
2033 |
|
2034 | if (from.ok && to.ok) {
|
2035 |
|
2036 | var r = from.r + (to.r - from.r) * p.progress;
|
2037 | var g = from.g + (to.g - from.g) * p.progress;
|
2038 | var b = from.b + (to.b - from.b) * p.progress;
|
2039 | return 'rgb('+parseInt(r,10)+','+parseInt(g,10)+','+parseInt(b,10)+')';
|
2040 | }
|
2041 | return this.attribute('from').value;
|
2042 | };
|
2043 | }
|
2044 | svg.Element.animateColor.prototype = new svg.Element.AnimateBase;
|
2045 |
|
2046 |
|
2047 | svg.Element.animateTransform = function(node) {
|
2048 | this.base = svg.Element.AnimateBase;
|
2049 | this.base(node);
|
2050 |
|
2051 | this.calcValue = function() {
|
2052 | var p = this.progress();
|
2053 |
|
2054 |
|
2055 | var from = svg.ToNumberArray(p.from.value);
|
2056 | var to = svg.ToNumberArray(p.to.value);
|
2057 | var newValue = '';
|
2058 | for (var i=0; i<from.length; i++) {
|
2059 | newValue += from[i] + (to[i] - from[i]) * p.progress + ' ';
|
2060 | }
|
2061 | return newValue;
|
2062 | };
|
2063 | }
|
2064 | svg.Element.animateTransform.prototype = new svg.Element.animate;
|
2065 |
|
2066 |
|
2067 | svg.Element.font = function(node) {
|
2068 | this.base = svg.Element.ElementBase;
|
2069 | this.base(node);
|
2070 |
|
2071 | this.horizAdvX = this.attribute('horiz-adv-x').numValue();
|
2072 |
|
2073 | this.isRTL = false;
|
2074 | this.isArabic = false;
|
2075 | this.fontFace = null;
|
2076 | this.missingGlyph = null;
|
2077 | this.glyphs = [];
|
2078 | for (var i=0; i<this.children.length; i++) {
|
2079 | var child = this.children[i];
|
2080 | if (child.type == 'font-face') {
|
2081 | this.fontFace = child;
|
2082 | if (child.style('font-family').hasValue()) {
|
2083 | svg.Definitions[child.style('font-family').value] = this;
|
2084 | }
|
2085 | }
|
2086 | else if (child.type == 'missing-glyph') this.missingGlyph = child;
|
2087 | else if (child.type == 'glyph') {
|
2088 | if (child.arabicForm != '') {
|
2089 | this.isRTL = true;
|
2090 | this.isArabic = true;
|
2091 | if (typeof(this.glyphs[child.unicode]) == 'undefined') this.glyphs[child.unicode] = [];
|
2092 | this.glyphs[child.unicode][child.arabicForm] = child;
|
2093 | }
|
2094 | else {
|
2095 | this.glyphs[child.unicode] = child;
|
2096 | }
|
2097 | }
|
2098 | }
|
2099 | }
|
2100 | svg.Element.font.prototype = new svg.Element.ElementBase;
|
2101 |
|
2102 |
|
2103 | svg.Element.fontface = function(node) {
|
2104 | this.base = svg.Element.ElementBase;
|
2105 | this.base(node);
|
2106 |
|
2107 | this.ascent = this.attribute('ascent').value;
|
2108 | this.descent = this.attribute('descent').value;
|
2109 | this.unitsPerEm = this.attribute('units-per-em').numValue();
|
2110 | }
|
2111 | svg.Element.fontface.prototype = new svg.Element.ElementBase;
|
2112 |
|
2113 |
|
2114 | svg.Element.missingglyph = function(node) {
|
2115 | this.base = svg.Element.path;
|
2116 | this.base(node);
|
2117 |
|
2118 | this.horizAdvX = 0;
|
2119 | }
|
2120 | svg.Element.missingglyph.prototype = new svg.Element.path;
|
2121 |
|
2122 |
|
2123 | svg.Element.glyph = function(node) {
|
2124 | this.base = svg.Element.path;
|
2125 | this.base(node);
|
2126 |
|
2127 | this.horizAdvX = this.attribute('horiz-adv-x').numValue();
|
2128 | this.unicode = this.attribute('unicode').value;
|
2129 | this.arabicForm = this.attribute('arabic-form').value;
|
2130 | }
|
2131 | svg.Element.glyph.prototype = new svg.Element.path;
|
2132 |
|
2133 |
|
2134 | svg.Element.text = function(node) {
|
2135 | this.captureTextNodes = true;
|
2136 | this.base = svg.Element.RenderedElementBase;
|
2137 | this.base(node);
|
2138 |
|
2139 | this.baseSetContext = this.setContext;
|
2140 | this.setContext = function(ctx) {
|
2141 | this.baseSetContext(ctx);
|
2142 |
|
2143 | var textBaseline = this.style('dominant-baseline').toTextBaseline();
|
2144 | if (textBaseline == null) textBaseline = this.style('alignment-baseline').toTextBaseline();
|
2145 | if (textBaseline != null) ctx.textBaseline = textBaseline;
|
2146 | }
|
2147 |
|
2148 | this.getBoundingBox = function () {
|
2149 | var x = this.attribute('x').toPixels('x');
|
2150 | var y = this.attribute('y').toPixels('y');
|
2151 | var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
|
2152 | return new svg.BoundingBox(x, y - fontSize, x + Math.floor(fontSize * 2.0 / 3.0) * this.children[0].getText().length, y);
|
2153 | }
|
2154 |
|
2155 | this.renderChildren = function(ctx) {
|
2156 | this.x = this.attribute('x').toPixels('x');
|
2157 | this.y = this.attribute('y').toPixels('y');
|
2158 | if (this.attribute('dx').hasValue()) this.x += this.attribute('dx').toPixels('x');
|
2159 | if (this.attribute('dy').hasValue()) this.y += this.attribute('dy').toPixels('y');
|
2160 | this.x += this.getAnchorDelta(ctx, this, 0);
|
2161 | for (var i=0; i<this.children.length; i++) {
|
2162 | this.renderChild(ctx, this, i);
|
2163 | }
|
2164 | }
|
2165 |
|
2166 | this.getAnchorDelta = function (ctx, parent, startI) {
|
2167 | var textAnchor = this.style('text-anchor').valueOrDefault('start');
|
2168 | if (textAnchor != 'start') {
|
2169 | var width = 0;
|
2170 | for (var i=startI; i<parent.children.length; i++) {
|
2171 | var child = parent.children[i];
|
2172 | if (i > startI && child.attribute('x').hasValue()) break;
|
2173 | width += child.measureTextRecursive(ctx);
|
2174 | }
|
2175 | return -1 * (textAnchor == 'end' ? width : width / 2.0);
|
2176 | }
|
2177 | return 0;
|
2178 | }
|
2179 |
|
2180 | this.renderChild = function(ctx, parent, i) {
|
2181 | var child = parent.children[i];
|
2182 | if (child.attribute('x').hasValue()) {
|
2183 | child.x = child.attribute('x').toPixels('x') + parent.getAnchorDelta(ctx, parent, i);
|
2184 | if (child.attribute('dx').hasValue()) child.x += child.attribute('dx').toPixels('x');
|
2185 | }
|
2186 | else {
|
2187 | if (child.attribute('dx').hasValue()) parent.x += child.attribute('dx').toPixels('x');
|
2188 | child.x = parent.x;
|
2189 | }
|
2190 | parent.x = child.x + child.measureText(ctx);
|
2191 |
|
2192 | if (child.attribute('y').hasValue()) {
|
2193 | child.y = child.attribute('y').toPixels('y');
|
2194 | if (child.attribute('dy').hasValue()) child.y += child.attribute('dy').toPixels('y');
|
2195 | }
|
2196 | else {
|
2197 | if (child.attribute('dy').hasValue()) parent.y += child.attribute('dy').toPixels('y');
|
2198 | child.y = parent.y;
|
2199 | }
|
2200 | parent.y = child.y;
|
2201 |
|
2202 | child.render(ctx);
|
2203 |
|
2204 | for (var i=0; i<child.children.length; i++) {
|
2205 | parent.renderChild(ctx, child, i);
|
2206 | }
|
2207 | }
|
2208 | }
|
2209 | svg.Element.text.prototype = new svg.Element.RenderedElementBase;
|
2210 |
|
2211 |
|
2212 | svg.Element.TextElementBase = function(node) {
|
2213 | this.base = svg.Element.RenderedElementBase;
|
2214 | this.base(node);
|
2215 |
|
2216 | this.getGlyph = function(font, text, i) {
|
2217 | var c = text[i];
|
2218 | var glyph = null;
|
2219 | if (font.isArabic) {
|
2220 | var arabicForm = 'isolated';
|
2221 | if ((i==0 || text[i-1]==' ') && i<text.length-2 && text[i+1]!=' ') arabicForm = 'terminal';
|
2222 | if (i>0 && text[i-1]!=' ' && i<text.length-2 && text[i+1]!=' ') arabicForm = 'medial';
|
2223 | if (i>0 && text[i-1]!=' ' && (i == text.length-1 || text[i+1]==' ')) arabicForm = 'initial';
|
2224 | if (typeof(font.glyphs[c]) != 'undefined') {
|
2225 | glyph = font.glyphs[c][arabicForm];
|
2226 | if (glyph == null && font.glyphs[c].type == 'glyph') glyph = font.glyphs[c];
|
2227 | }
|
2228 | }
|
2229 | else {
|
2230 | glyph = font.glyphs[c];
|
2231 | }
|
2232 | if (glyph == null) glyph = font.missingGlyph;
|
2233 | return glyph;
|
2234 | }
|
2235 |
|
2236 | this.renderChildren = function(ctx) {
|
2237 | var customFont = this.parent.style('font-family').getDefinition();
|
2238 | if (customFont != null) {
|
2239 | var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
|
2240 | var fontStyle = this.parent.style('font-style').valueOrDefault(svg.Font.Parse(svg.ctx.font).fontStyle);
|
2241 | var text = this.getText();
|
2242 | if (customFont.isRTL) text = text.split("").reverse().join("");
|
2243 |
|
2244 | var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
|
2245 | for (var i=0; i<text.length; i++) {
|
2246 | var glyph = this.getGlyph(customFont, text, i);
|
2247 | var scale = fontSize / customFont.fontFace.unitsPerEm;
|
2248 | ctx.translate(this.x, this.y);
|
2249 | ctx.scale(scale, -scale);
|
2250 | var lw = ctx.lineWidth;
|
2251 | ctx.lineWidth = ctx.lineWidth * customFont.fontFace.unitsPerEm / fontSize;
|
2252 | if (fontStyle == 'italic') ctx.transform(1, 0, .4, 1, 0, 0);
|
2253 | glyph.render(ctx);
|
2254 | if (fontStyle == 'italic') ctx.transform(1, 0, -.4, 1, 0, 0);
|
2255 | ctx.lineWidth = lw;
|
2256 | ctx.scale(1/scale, -1/scale);
|
2257 | ctx.translate(-this.x, -this.y);
|
2258 |
|
2259 | this.x += fontSize * (glyph.horizAdvX || customFont.horizAdvX) / customFont.fontFace.unitsPerEm;
|
2260 | if (typeof(dx[i]) != 'undefined' && !isNaN(dx[i])) {
|
2261 | this.x += dx[i];
|
2262 | }
|
2263 | }
|
2264 | return;
|
2265 | }
|
2266 |
|
2267 | if (ctx.fillStyle != '') ctx.fillText(svg.compressSpaces(this.getText()), this.x, this.y);
|
2268 | if (ctx.strokeStyle != '') ctx.strokeText(svg.compressSpaces(this.getText()), this.x, this.y);
|
2269 | }
|
2270 |
|
2271 | this.getText = function() {
|
2272 |
|
2273 | }
|
2274 |
|
2275 | this.measureTextRecursive = function(ctx) {
|
2276 | var width = this.measureText(ctx);
|
2277 | for (var i=0; i<this.children.length; i++) {
|
2278 | width += this.children[i].measureTextRecursive(ctx);
|
2279 | }
|
2280 | return width;
|
2281 | }
|
2282 |
|
2283 | this.measureText = function(ctx) {
|
2284 | var customFont = this.parent.style('font-family').getDefinition();
|
2285 | if (customFont != null) {
|
2286 | var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
|
2287 | var measure = 0;
|
2288 | var text = this.getText();
|
2289 | if (customFont.isRTL) text = text.split("").reverse().join("");
|
2290 | var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
|
2291 | for (var i=0; i<text.length; i++) {
|
2292 | var glyph = this.getGlyph(customFont, text, i);
|
2293 | measure += (glyph.horizAdvX || customFont.horizAdvX) * fontSize / customFont.fontFace.unitsPerEm;
|
2294 | if (typeof(dx[i]) != 'undefined' && !isNaN(dx[i])) {
|
2295 | measure += dx[i];
|
2296 | }
|
2297 | }
|
2298 | return measure;
|
2299 | }
|
2300 |
|
2301 | var textToMeasure = svg.compressSpaces(this.getText());
|
2302 | if (!ctx.measureText) return textToMeasure.length * 10;
|
2303 |
|
2304 | ctx.save();
|
2305 | this.setContext(ctx);
|
2306 | var width = ctx.measureText(textToMeasure).width;
|
2307 | ctx.restore();
|
2308 | return width;
|
2309 | }
|
2310 | }
|
2311 | svg.Element.TextElementBase.prototype = new svg.Element.RenderedElementBase;
|
2312 |
|
2313 |
|
2314 | svg.Element.tspan = function(node) {
|
2315 | this.captureTextNodes = true;
|
2316 | this.base = svg.Element.TextElementBase;
|
2317 | this.base(node);
|
2318 |
|
2319 | this.text = svg.compressSpaces(node.value || node.text || node.textContent || '');
|
2320 | this.getText = function() {
|
2321 |
|
2322 | if (this.children.length > 0) { return ''; }
|
2323 | return this.text;
|
2324 | }
|
2325 | }
|
2326 | svg.Element.tspan.prototype = new svg.Element.TextElementBase;
|
2327 |
|
2328 |
|
2329 | svg.Element.tref = function(node) {
|
2330 | this.base = svg.Element.TextElementBase;
|
2331 | this.base(node);
|
2332 |
|
2333 | this.getText = function() {
|
2334 | var element = this.getHrefAttribute().getDefinition();
|
2335 | if (element != null) return element.children[0].getText();
|
2336 | }
|
2337 | }
|
2338 | svg.Element.tref.prototype = new svg.Element.TextElementBase;
|
2339 |
|
2340 |
|
2341 | svg.Element.a = function(node) {
|
2342 | this.base = svg.Element.TextElementBase;
|
2343 | this.base(node);
|
2344 |
|
2345 | this.hasText = node.childNodes.length > 0;
|
2346 | for (var i=0; i<node.childNodes.length; i++) {
|
2347 | if (node.childNodes[i].nodeType != 3) this.hasText = false;
|
2348 | }
|
2349 |
|
2350 |
|
2351 | this.text = this.hasText ? node.childNodes[0].value : '';
|
2352 | this.getText = function() {
|
2353 | return this.text;
|
2354 | }
|
2355 |
|
2356 | this.baseRenderChildren = this.renderChildren;
|
2357 | this.renderChildren = function(ctx) {
|
2358 | if (this.hasText) {
|
2359 |
|
2360 | this.baseRenderChildren(ctx);
|
2361 | var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
|
2362 | svg.Mouse.checkBoundingBox(this, new svg.BoundingBox(this.x, this.y - fontSize.toPixels('y'), this.x + this.measureText(ctx), this.y));
|
2363 | }
|
2364 | else if (this.children.length > 0) {
|
2365 |
|
2366 | var g = new svg.Element.g();
|
2367 | g.children = this.children;
|
2368 | g.parent = this;
|
2369 | g.render(ctx);
|
2370 | }
|
2371 | }
|
2372 |
|
2373 | this.onclick = function() {
|
2374 | window.open(this.getHrefAttribute().value);
|
2375 | }
|
2376 |
|
2377 | this.onmousemove = function() {
|
2378 | svg.ctx.canvas.style.cursor = 'pointer';
|
2379 | }
|
2380 | }
|
2381 | svg.Element.a.prototype = new svg.Element.TextElementBase;
|
2382 |
|
2383 |
|
2384 | svg.Element.image = function(node) {
|
2385 | this.base = svg.Element.RenderedElementBase;
|
2386 | this.base(node);
|
2387 |
|
2388 | var href = this.getHrefAttribute().value;
|
2389 | if (href == '') { return; }
|
2390 | var isSvg = href.match(/\.svg$/)
|
2391 |
|
2392 | svg.Images.push(this);
|
2393 | this.loaded = false;
|
2394 | if (!isSvg) {
|
2395 | this.img = document.createElement('img');
|
2396 | if (svg.opts['useCORS'] == true) { this.img.crossOrigin = 'Anonymous'; }
|
2397 | var self = this;
|
2398 | this.img.onload = function() { self.loaded = true; }
|
2399 | this.img.onerror = function() { svg.log('ERROR: image "' + href + '" not found'); self.loaded = true; }
|
2400 | this.img.src = href;
|
2401 | }
|
2402 | else {
|
2403 | this.img = svg.ajax(href);
|
2404 | this.loaded = true;
|
2405 | }
|
2406 |
|
2407 | this.renderChildren = function(ctx) {
|
2408 | var x = this.attribute('x').toPixels('x');
|
2409 | var y = this.attribute('y').toPixels('y');
|
2410 |
|
2411 | var width = this.attribute('width').toPixels('x');
|
2412 | var height = this.attribute('height').toPixels('y');
|
2413 | if (width == 0 || height == 0) return;
|
2414 |
|
2415 | ctx.save();
|
2416 | if (isSvg) {
|
2417 | ctx.drawSvg(this.img, x, y, width, height);
|
2418 | }
|
2419 | else {
|
2420 | ctx.translate(x, y);
|
2421 | svg.AspectRatio(ctx,
|
2422 | this.attribute('preserveAspectRatio').value,
|
2423 | width,
|
2424 | this.img.width,
|
2425 | height,
|
2426 | this.img.height,
|
2427 | 0,
|
2428 | 0);
|
2429 | ctx.drawImage(this.img, 0, 0);
|
2430 | }
|
2431 | ctx.restore();
|
2432 | }
|
2433 |
|
2434 | this.getBoundingBox = function() {
|
2435 | var x = this.attribute('x').toPixels('x');
|
2436 | var y = this.attribute('y').toPixels('y');
|
2437 | var width = this.attribute('width').toPixels('x');
|
2438 | var height = this.attribute('height').toPixels('y');
|
2439 | return new svg.BoundingBox(x, y, x + width, y + height);
|
2440 | }
|
2441 | }
|
2442 | svg.Element.image.prototype = new svg.Element.RenderedElementBase;
|
2443 |
|
2444 |
|
2445 | svg.Element.g = function(node) {
|
2446 | this.base = svg.Element.RenderedElementBase;
|
2447 | this.base(node);
|
2448 |
|
2449 | this.getBoundingBox = function() {
|
2450 | var bb = new svg.BoundingBox();
|
2451 | for (var i=0; i<this.children.length; i++) {
|
2452 | bb.addBoundingBox(this.children[i].getBoundingBox());
|
2453 | }
|
2454 | return bb;
|
2455 | };
|
2456 | }
|
2457 | svg.Element.g.prototype = new svg.Element.RenderedElementBase;
|
2458 |
|
2459 |
|
2460 | svg.Element.symbol = function(node) {
|
2461 | this.base = svg.Element.RenderedElementBase;
|
2462 | this.base(node);
|
2463 |
|
2464 | this.render = function(ctx) {
|
2465 |
|
2466 | };
|
2467 | }
|
2468 | svg.Element.symbol.prototype = new svg.Element.RenderedElementBase;
|
2469 |
|
2470 |
|
2471 | svg.Element.style = function(node) {
|
2472 | this.base = svg.Element.ElementBase;
|
2473 | this.base(node);
|
2474 |
|
2475 |
|
2476 | var css = ''
|
2477 | for (var i=0; i<node.childNodes.length; i++) {
|
2478 | css += node.childNodes[i].data;
|
2479 | }
|
2480 | css = css.replace(/(\/\*([^*]|[\r\n]|(\*+([^*\/]|[\r\n])))*\*+\/)|(^[\s]*\/\/.*)/gm, '');
|
2481 | css = svg.compressSpaces(css);
|
2482 | var cssDefs = css.split('}');
|
2483 | for (var i=0; i<cssDefs.length; i++) {
|
2484 | if (svg.trim(cssDefs[i]) != '') {
|
2485 | var cssDef = cssDefs[i].split('{');
|
2486 | var cssClasses = cssDef[0].split(',');
|
2487 | var cssProps = cssDef[1].split(';');
|
2488 | for (var j=0; j<cssClasses.length; j++) {
|
2489 | var cssClass = svg.trim(cssClasses[j]);
|
2490 | if (cssClass != '') {
|
2491 | var props = svg.Styles[cssClass] || {};
|
2492 | for (var k=0; k<cssProps.length; k++) {
|
2493 | var prop = cssProps[k].indexOf(':');
|
2494 | var name = cssProps[k].substr(0, prop);
|
2495 | var value = cssProps[k].substr(prop + 1, cssProps[k].length - prop);
|
2496 | if (name != null && value != null) {
|
2497 | props[svg.trim(name)] = new svg.Property(svg.trim(name), svg.trim(value));
|
2498 | }
|
2499 | }
|
2500 | svg.Styles[cssClass] = props;
|
2501 | svg.StylesSpecificity[cssClass] = getSelectorSpecificity(cssClass);
|
2502 | if (cssClass == '@font-face') {
|
2503 | var fontFamily = props['font-family'].value.replace(/"/g,'');
|
2504 | var srcs = props['src'].value.split(',');
|
2505 | for (var s=0; s<srcs.length; s++) {
|
2506 | if (srcs[s].indexOf('format("svg")') > 0) {
|
2507 | var urlStart = srcs[s].indexOf('url');
|
2508 | var urlEnd = srcs[s].indexOf(')', urlStart);
|
2509 | var url = srcs[s].substr(urlStart + 5, urlEnd - urlStart - 6);
|
2510 | var doc = svg.parseXml(svg.ajax(url));
|
2511 | var fonts = doc.getElementsByTagName('font');
|
2512 | for (var f=0; f<fonts.length; f++) {
|
2513 | var font = svg.CreateElement(fonts[f]);
|
2514 | svg.Definitions[fontFamily] = font;
|
2515 | }
|
2516 | }
|
2517 | }
|
2518 | }
|
2519 | }
|
2520 | }
|
2521 | }
|
2522 | }
|
2523 | }
|
2524 | svg.Element.style.prototype = new svg.Element.ElementBase;
|
2525 |
|
2526 |
|
2527 | svg.Element.use = function(node) {
|
2528 | this.base = svg.Element.RenderedElementBase;
|
2529 | this.base(node);
|
2530 |
|
2531 | this.baseSetContext = this.setContext;
|
2532 | this.setContext = function(ctx) {
|
2533 | this.baseSetContext(ctx);
|
2534 | if (this.attribute('x').hasValue()) ctx.translate(this.attribute('x').toPixels('x'), 0);
|
2535 | if (this.attribute('y').hasValue()) ctx.translate(0, this.attribute('y').toPixels('y'));
|
2536 | }
|
2537 |
|
2538 | var element = this.getHrefAttribute().getDefinition();
|
2539 |
|
2540 | this.path = function(ctx) {
|
2541 | if (element != null) element.path(ctx);
|
2542 | }
|
2543 |
|
2544 | this.getBoundingBox = function() {
|
2545 | if (element != null) return element.getBoundingBox();
|
2546 | }
|
2547 |
|
2548 | this.renderChildren = function(ctx) {
|
2549 | if (element != null) {
|
2550 | var tempSvg = element;
|
2551 | if (element.type == 'symbol') {
|
2552 |
|
2553 | tempSvg = new svg.Element.svg();
|
2554 | tempSvg.type = 'svg';
|
2555 | tempSvg.attributes['viewBox'] = new svg.Property('viewBox', element.attribute('viewBox').value);
|
2556 | tempSvg.attributes['preserveAspectRatio'] = new svg.Property('preserveAspectRatio', element.attribute('preserveAspectRatio').value);
|
2557 | tempSvg.attributes['overflow'] = new svg.Property('overflow', element.attribute('overflow').value);
|
2558 | tempSvg.children = element.children;
|
2559 | }
|
2560 | if (tempSvg.type == 'svg') {
|
2561 |
|
2562 | if (this.attribute('width').hasValue()) tempSvg.attributes['width'] = new svg.Property('width', this.attribute('width').value);
|
2563 | if (this.attribute('height').hasValue()) tempSvg.attributes['height'] = new svg.Property('height', this.attribute('height').value);
|
2564 | }
|
2565 | var oldParent = tempSvg.parent;
|
2566 | tempSvg.parent = null;
|
2567 | tempSvg.render(ctx);
|
2568 | tempSvg.parent = oldParent;
|
2569 | }
|
2570 | }
|
2571 | }
|
2572 | svg.Element.use.prototype = new svg.Element.RenderedElementBase;
|
2573 |
|
2574 |
|
2575 | svg.Element.mask = function(node) {
|
2576 | this.base = svg.Element.ElementBase;
|
2577 | this.base(node);
|
2578 |
|
2579 | this.apply = function(ctx, element) {
|
2580 |
|
2581 | var x = this.attribute('x').toPixels('x');
|
2582 | var y = this.attribute('y').toPixels('y');
|
2583 | var width = this.attribute('width').toPixels('x');
|
2584 | var height = this.attribute('height').toPixels('y');
|
2585 |
|
2586 | if (width == 0 && height == 0) {
|
2587 | var bb = new svg.BoundingBox();
|
2588 | for (var i=0; i<this.children.length; i++) {
|
2589 | bb.addBoundingBox(this.children[i].getBoundingBox());
|
2590 | }
|
2591 | var x = Math.floor(bb.x1);
|
2592 | var y = Math.floor(bb.y1);
|
2593 | var width = Math.floor(bb.width());
|
2594 | var height = Math.floor(bb.height());
|
2595 | }
|
2596 |
|
2597 |
|
2598 | var mask = element.attribute('mask').value;
|
2599 | element.attribute('mask').value = '';
|
2600 |
|
2601 | var cMask = document.createElement('canvas');
|
2602 | cMask.width = x + width;
|
2603 | cMask.height = y + height;
|
2604 | var maskCtx = cMask.getContext('2d');
|
2605 | this.renderChildren(maskCtx);
|
2606 |
|
2607 | var c = document.createElement('canvas');
|
2608 | c.width = x + width;
|
2609 | c.height = y + height;
|
2610 | var tempCtx = c.getContext('2d');
|
2611 | element.render(tempCtx);
|
2612 | tempCtx.globalCompositeOperation = 'destination-in';
|
2613 | tempCtx.fillStyle = maskCtx.createPattern(cMask, 'no-repeat');
|
2614 | tempCtx.fillRect(0, 0, x + width, y + height);
|
2615 |
|
2616 | ctx.fillStyle = tempCtx.createPattern(c, 'no-repeat');
|
2617 | ctx.fillRect(0, 0, x + width, y + height);
|
2618 |
|
2619 |
|
2620 | element.attribute('mask').value = mask;
|
2621 | }
|
2622 |
|
2623 | this.render = function(ctx) {
|
2624 |
|
2625 | }
|
2626 | }
|
2627 | svg.Element.mask.prototype = new svg.Element.ElementBase;
|
2628 |
|
2629 |
|
2630 | svg.Element.clipPath = function(node) {
|
2631 | this.base = svg.Element.ElementBase;
|
2632 | this.base(node);
|
2633 |
|
2634 | this.apply = function(ctx) {
|
2635 | var oldBeginPath = CanvasRenderingContext2D.prototype.beginPath;
|
2636 | CanvasRenderingContext2D.prototype.beginPath = function () { };
|
2637 |
|
2638 | var oldClosePath = CanvasRenderingContext2D.prototype.closePath;
|
2639 | CanvasRenderingContext2D.prototype.closePath = function () { };
|
2640 |
|
2641 | oldBeginPath.call(ctx);
|
2642 | for (var i=0; i<this.children.length; i++) {
|
2643 | var child = this.children[i];
|
2644 | if (typeof(child.path) != 'undefined') {
|
2645 | var transform = null;
|
2646 | if (child.style('transform', false, true).hasValue()) {
|
2647 | transform = new svg.Transform(child.style('transform', false, true).value);
|
2648 | transform.apply(ctx);
|
2649 | }
|
2650 | child.path(ctx);
|
2651 | CanvasRenderingContext2D.prototype.closePath = oldClosePath;
|
2652 | if (transform) { transform.unapply(ctx); }
|
2653 | }
|
2654 | }
|
2655 | oldClosePath.call(ctx);
|
2656 | ctx.clip();
|
2657 |
|
2658 | CanvasRenderingContext2D.prototype.beginPath = oldBeginPath;
|
2659 | CanvasRenderingContext2D.prototype.closePath = oldClosePath;
|
2660 | }
|
2661 |
|
2662 | this.render = function(ctx) {
|
2663 |
|
2664 | }
|
2665 | }
|
2666 | svg.Element.clipPath.prototype = new svg.Element.ElementBase;
|
2667 |
|
2668 |
|
2669 | svg.Element.filter = function(node) {
|
2670 | this.base = svg.Element.ElementBase;
|
2671 | this.base(node);
|
2672 |
|
2673 | this.apply = function(ctx, element) {
|
2674 |
|
2675 | var bb = element.getBoundingBox();
|
2676 | var x = Math.floor(bb.x1);
|
2677 | var y = Math.floor(bb.y1);
|
2678 | var width = Math.floor(bb.width());
|
2679 | var height = Math.floor(bb.height());
|
2680 |
|
2681 |
|
2682 | var filter = element.style('filter').value;
|
2683 | element.style('filter').value = '';
|
2684 |
|
2685 | var px = 0, py = 0;
|
2686 | for (var i=0; i<this.children.length; i++) {
|
2687 | var efd = this.children[i].extraFilterDistance || 0;
|
2688 | px = Math.max(px, efd);
|
2689 | py = Math.max(py, efd);
|
2690 | }
|
2691 |
|
2692 | var c = document.createElement('canvas');
|
2693 | c.width = width + 2*px;
|
2694 | c.height = height + 2*py;
|
2695 | var tempCtx = c.getContext('2d');
|
2696 | tempCtx.translate(-x + px, -y + py);
|
2697 | element.render(tempCtx);
|
2698 |
|
2699 |
|
2700 | for (var i=0; i<this.children.length; i++) {
|
2701 | if (typeof(this.children[i].apply) === 'function') {
|
2702 | this.children[i].apply(tempCtx, 0, 0, width + 2*px, height + 2*py);
|
2703 | }
|
2704 | }
|
2705 |
|
2706 |
|
2707 | ctx.drawImage(c, 0, 0, width + 2*px, height + 2*py, x - px, y - py, width + 2*px, height + 2*py);
|
2708 |
|
2709 |
|
2710 | element.style('filter', true).value = filter;
|
2711 | }
|
2712 |
|
2713 | this.render = function(ctx) {
|
2714 |
|
2715 | }
|
2716 | }
|
2717 | svg.Element.filter.prototype = new svg.Element.ElementBase;
|
2718 |
|
2719 | svg.Element.feMorphology = function(node) {
|
2720 | this.base = svg.Element.ElementBase;
|
2721 | this.base(node);
|
2722 |
|
2723 | this.apply = function(ctx, x, y, width, height) {
|
2724 |
|
2725 | }
|
2726 | }
|
2727 | svg.Element.feMorphology.prototype = new svg.Element.ElementBase;
|
2728 |
|
2729 | svg.Element.feComposite = function(node) {
|
2730 | this.base = svg.Element.ElementBase;
|
2731 | this.base(node);
|
2732 |
|
2733 | this.apply = function(ctx, x, y, width, height) {
|
2734 |
|
2735 | }
|
2736 | }
|
2737 | svg.Element.feComposite.prototype = new svg.Element.ElementBase;
|
2738 |
|
2739 | svg.Element.feColorMatrix = function(node) {
|
2740 | this.base = svg.Element.ElementBase;
|
2741 | this.base(node);
|
2742 |
|
2743 | var matrix = svg.ToNumberArray(this.attribute('values').value);
|
2744 | switch (this.attribute('type').valueOrDefault('matrix')) {
|
2745 | case 'saturate':
|
2746 | var s = matrix[0];
|
2747 | matrix = [0.213+0.787*s,0.715-0.715*s,0.072-0.072*s,0,0,
|
2748 | 0.213-0.213*s,0.715+0.285*s,0.072-0.072*s,0,0,
|
2749 | 0.213-0.213*s,0.715-0.715*s,0.072+0.928*s,0,0,
|
2750 | 0,0,0,1,0,
|
2751 | 0,0,0,0,1];
|
2752 | break;
|
2753 | case 'hueRotate':
|
2754 | var a = matrix[0] * Math.PI / 180.0;
|
2755 | var c = function (m1,m2,m3) { return m1 + Math.cos(a)*m2 + Math.sin(a)*m3; };
|
2756 | matrix = [c(0.213,0.787,-0.213),c(0.715,-0.715,-0.715),c(0.072,-0.072,0.928),0,0,
|
2757 | c(0.213,-0.213,0.143),c(0.715,0.285,0.140),c(0.072,-0.072,-0.283),0,0,
|
2758 | c(0.213,-0.213,-0.787),c(0.715,-0.715,0.715),c(0.072,0.928,0.072),0,0,
|
2759 | 0,0,0,1,0,
|
2760 | 0,0,0,0,1];
|
2761 | break;
|
2762 | case 'luminanceToAlpha':
|
2763 | matrix = [0,0,0,0,0,
|
2764 | 0,0,0,0,0,
|
2765 | 0,0,0,0,0,
|
2766 | 0.2125,0.7154,0.0721,0,0,
|
2767 | 0,0,0,0,1];
|
2768 | break;
|
2769 | }
|
2770 |
|
2771 | function imGet(img, x, y, width, height, rgba) {
|
2772 | return img[y*width*4 + x*4 + rgba];
|
2773 | }
|
2774 |
|
2775 | function imSet(img, x, y, width, height, rgba, val) {
|
2776 | img[y*width*4 + x*4 + rgba] = val;
|
2777 | }
|
2778 |
|
2779 | function m(i, v) {
|
2780 | var mi = matrix[i];
|
2781 | return mi * (mi < 0 ? v - 255 : v);
|
2782 | }
|
2783 |
|
2784 | this.apply = function(ctx, x, y, width, height) {
|
2785 |
|
2786 | var srcData = ctx.getImageData(0, 0, width, height);
|
2787 | for (var y = 0; y < height; y++) {
|
2788 | for (var x = 0; x < width; x++) {
|
2789 | var r = imGet(srcData.data, x, y, width, height, 0);
|
2790 | var g = imGet(srcData.data, x, y, width, height, 1);
|
2791 | var b = imGet(srcData.data, x, y, width, height, 2);
|
2792 | var a = imGet(srcData.data, x, y, width, height, 3);
|
2793 | imSet(srcData.data, x, y, width, height, 0, m(0,r)+m(1,g)+m(2,b)+m(3,a)+m(4,1));
|
2794 | imSet(srcData.data, x, y, width, height, 1, m(5,r)+m(6,g)+m(7,b)+m(8,a)+m(9,1));
|
2795 | imSet(srcData.data, x, y, width, height, 2, m(10,r)+m(11,g)+m(12,b)+m(13,a)+m(14,1));
|
2796 | imSet(srcData.data, x, y, width, height, 3, m(15,r)+m(16,g)+m(17,b)+m(18,a)+m(19,1));
|
2797 | }
|
2798 | }
|
2799 | ctx.clearRect(0, 0, width, height);
|
2800 | ctx.putImageData(srcData, 0, 0);
|
2801 | }
|
2802 | }
|
2803 | svg.Element.feColorMatrix.prototype = new svg.Element.ElementBase;
|
2804 |
|
2805 | svg.Element.feGaussianBlur = function(node) {
|
2806 | this.base = svg.Element.ElementBase;
|
2807 | this.base(node);
|
2808 |
|
2809 | this.blurRadius = Math.floor(this.attribute('stdDeviation').numValue());
|
2810 | this.extraFilterDistance = this.blurRadius;
|
2811 |
|
2812 | this.apply = function(ctx, x, y, width, height) {
|
2813 | if (typeof(stackBlur.canvasRGBA) == 'undefined') {
|
2814 | svg.log('ERROR: StackBlur.js must be included for blur to work');
|
2815 | return;
|
2816 | }
|
2817 |
|
2818 |
|
2819 | ctx.canvas.id = svg.UniqueId();
|
2820 | ctx.canvas.style.display = 'none';
|
2821 | document.body.appendChild(ctx.canvas);
|
2822 | stackBlur.canvasRGBA(ctx.canvas.id, x, y, width, height, this.blurRadius);
|
2823 | document.body.removeChild(ctx.canvas);
|
2824 | }
|
2825 | }
|
2826 | svg.Element.feGaussianBlur.prototype = new svg.Element.ElementBase;
|
2827 |
|
2828 |
|
2829 | svg.Element.title = function(node) {
|
2830 | }
|
2831 | svg.Element.title.prototype = new svg.Element.ElementBase;
|
2832 |
|
2833 |
|
2834 | svg.Element.desc = function(node) {
|
2835 | }
|
2836 | svg.Element.desc.prototype = new svg.Element.ElementBase;
|
2837 |
|
2838 | svg.Element.MISSING = function(node) {
|
2839 | svg.log('ERROR: Element \'' + node.nodeName + '\' not yet implemented.');
|
2840 | }
|
2841 | svg.Element.MISSING.prototype = new svg.Element.ElementBase;
|
2842 |
|
2843 |
|
2844 | svg.CreateElement = function(node) {
|
2845 | var className = node.nodeName.replace(/^[^:]+:/,'');
|
2846 | className = className.replace(/\-/g,'');
|
2847 | var e = null;
|
2848 | if (typeof(svg.Element[className]) != 'undefined') {
|
2849 | e = new svg.Element[className](node);
|
2850 | }
|
2851 | else {
|
2852 | e = new svg.Element.MISSING(node);
|
2853 | }
|
2854 |
|
2855 | e.type = node.nodeName;
|
2856 | return e;
|
2857 | }
|
2858 |
|
2859 |
|
2860 | svg.load = function(ctx, url) {
|
2861 | svg.loadXml(ctx, svg.ajax(url));
|
2862 | }
|
2863 |
|
2864 |
|
2865 | svg.loadXml = function(ctx, xml) {
|
2866 | svg.loadXmlDoc(ctx, svg.parseXml(xml));
|
2867 | }
|
2868 |
|
2869 | svg.loadXmlDoc = function(ctx, dom) {
|
2870 | svg.init(ctx);
|
2871 |
|
2872 | var mapXY = function(p) {
|
2873 | var e = ctx.canvas;
|
2874 | while (e) {
|
2875 | p.x -= e.offsetLeft;
|
2876 | p.y -= e.offsetTop;
|
2877 | e = e.offsetParent;
|
2878 | }
|
2879 | if (window.scrollX) p.x += window.scrollX;
|
2880 | if (window.scrollY) p.y += window.scrollY;
|
2881 | return p;
|
2882 | }
|
2883 |
|
2884 |
|
2885 | if (svg.opts['ignoreMouse'] != true) {
|
2886 | ctx.canvas.onclick = function(e) {
|
2887 | var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY));
|
2888 | svg.Mouse.onclick(p.x, p.y);
|
2889 | };
|
2890 | ctx.canvas.onmousemove = function(e) {
|
2891 | var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY));
|
2892 | svg.Mouse.onmousemove(p.x, p.y);
|
2893 | };
|
2894 | }
|
2895 |
|
2896 | var e = svg.CreateElement(dom.documentElement);
|
2897 | e.root = true;
|
2898 | e.addStylesFromStyleDefinition();
|
2899 |
|
2900 |
|
2901 | var isFirstRender = true;
|
2902 | var draw = function() {
|
2903 | svg.ViewPort.Clear();
|
2904 | if (ctx.canvas.parentNode) svg.ViewPort.SetCurrent(ctx.canvas.parentNode.clientWidth, ctx.canvas.parentNode.clientHeight);
|
2905 |
|
2906 | if (svg.opts['ignoreDimensions'] != true) {
|
2907 |
|
2908 | if (e.style('width').hasValue()) {
|
2909 | ctx.canvas.width = e.style('width').toPixels('x');
|
2910 | ctx.canvas.style.width = ctx.canvas.width + 'px';
|
2911 | }
|
2912 | if (e.style('height').hasValue()) {
|
2913 | ctx.canvas.height = e.style('height').toPixels('y');
|
2914 | ctx.canvas.style.height = ctx.canvas.height + 'px';
|
2915 | }
|
2916 | }
|
2917 | var cWidth = ctx.canvas.clientWidth || ctx.canvas.width;
|
2918 | var cHeight = ctx.canvas.clientHeight || ctx.canvas.height;
|
2919 | if (svg.opts['ignoreDimensions'] == true && e.style('width').hasValue() && e.style('height').hasValue()) {
|
2920 | cWidth = e.style('width').toPixels('x');
|
2921 | cHeight = e.style('height').toPixels('y');
|
2922 | }
|
2923 | svg.ViewPort.SetCurrent(cWidth, cHeight);
|
2924 |
|
2925 | if (svg.opts['offsetX'] != null) e.attribute('x', true).value = svg.opts['offsetX'];
|
2926 | if (svg.opts['offsetY'] != null) e.attribute('y', true).value = svg.opts['offsetY'];
|
2927 | if (svg.opts['scaleWidth'] != null || svg.opts['scaleHeight'] != null) {
|
2928 | var xRatio = null, yRatio = null, viewBox = svg.ToNumberArray(e.attribute('viewBox').value);
|
2929 |
|
2930 | if (svg.opts['scaleWidth'] != null) {
|
2931 | if (e.attribute('width').hasValue()) xRatio = e.attribute('width').toPixels('x') / svg.opts['scaleWidth'];
|
2932 | else if (!isNaN(viewBox[2])) xRatio = viewBox[2] / svg.opts['scaleWidth'];
|
2933 | }
|
2934 |
|
2935 | if (svg.opts['scaleHeight'] != null) {
|
2936 | if (e.attribute('height').hasValue()) yRatio = e.attribute('height').toPixels('y') / svg.opts['scaleHeight'];
|
2937 | else if (!isNaN(viewBox[3])) yRatio = viewBox[3] / svg.opts['scaleHeight'];
|
2938 | }
|
2939 |
|
2940 | if (xRatio == null) { xRatio = yRatio; }
|
2941 | if (yRatio == null) { yRatio = xRatio; }
|
2942 |
|
2943 | e.attribute('width', true).value = svg.opts['scaleWidth'];
|
2944 | e.attribute('height', true).value = svg.opts['scaleHeight'];
|
2945 | e.style('transform', true, true).value += ' scale('+(1.0/xRatio)+','+(1.0/yRatio)+')';
|
2946 | }
|
2947 |
|
2948 |
|
2949 | if (svg.opts['ignoreClear'] != true) {
|
2950 | ctx.clearRect(0, 0, cWidth, cHeight);
|
2951 | }
|
2952 | e.render(ctx);
|
2953 | if (isFirstRender) {
|
2954 | isFirstRender = false;
|
2955 | if (typeof(svg.opts['renderCallback']) == 'function') svg.opts['renderCallback'](dom);
|
2956 | }
|
2957 | }
|
2958 |
|
2959 | var waitingForImages = true;
|
2960 | if (svg.ImagesLoaded()) {
|
2961 | waitingForImages = false;
|
2962 | draw();
|
2963 | }
|
2964 | svg.intervalID = setInterval(function() {
|
2965 | var needUpdate = false;
|
2966 |
|
2967 | if (waitingForImages && svg.ImagesLoaded()) {
|
2968 | waitingForImages = false;
|
2969 | needUpdate = true;
|
2970 | }
|
2971 |
|
2972 |
|
2973 | if (svg.opts['ignoreMouse'] != true) {
|
2974 | needUpdate = needUpdate | svg.Mouse.hasEvents();
|
2975 | }
|
2976 |
|
2977 |
|
2978 | if (svg.opts['ignoreAnimation'] != true) {
|
2979 | for (var i=0; i<svg.Animations.length; i++) {
|
2980 | needUpdate = needUpdate | svg.Animations[i].update(1000 / svg.FRAMERATE);
|
2981 | }
|
2982 | }
|
2983 |
|
2984 |
|
2985 | if (typeof(svg.opts['forceRedraw']) == 'function') {
|
2986 | if (svg.opts['forceRedraw']() == true) needUpdate = true;
|
2987 | }
|
2988 |
|
2989 |
|
2990 | if (needUpdate) {
|
2991 | draw();
|
2992 | svg.Mouse.runEvents();
|
2993 | }
|
2994 | }, 1000 / svg.FRAMERATE);
|
2995 | }
|
2996 |
|
2997 | svg.stop = function() {
|
2998 | if (svg.intervalID) {
|
2999 | clearInterval(svg.intervalID);
|
3000 | }
|
3001 | }
|
3002 |
|
3003 | svg.Mouse = new (function() {
|
3004 | this.events = [];
|
3005 | this.hasEvents = function() { return this.events.length != 0; }
|
3006 |
|
3007 | this.onclick = function(x, y) {
|
3008 | this.events.push({ type: 'onclick', x: x, y: y,
|
3009 | run: function(e) { if (e.onclick) e.onclick(); }
|
3010 | });
|
3011 | }
|
3012 |
|
3013 | this.onmousemove = function(x, y) {
|
3014 | this.events.push({ type: 'onmousemove', x: x, y: y,
|
3015 | run: function(e) { if (e.onmousemove) e.onmousemove(); }
|
3016 | });
|
3017 | }
|
3018 |
|
3019 | this.eventElements = [];
|
3020 |
|
3021 | this.checkPath = function(element, ctx) {
|
3022 | for (var i=0; i<this.events.length; i++) {
|
3023 | var e = this.events[i];
|
3024 | if (ctx.isPointInPath && ctx.isPointInPath(e.x, e.y)) this.eventElements[i] = element;
|
3025 | }
|
3026 | }
|
3027 |
|
3028 | this.checkBoundingBox = function(element, bb) {
|
3029 | for (var i=0; i<this.events.length; i++) {
|
3030 | var e = this.events[i];
|
3031 | if (bb.isPointInBox(e.x, e.y)) this.eventElements[i] = element;
|
3032 | }
|
3033 | }
|
3034 |
|
3035 | this.runEvents = function() {
|
3036 | svg.ctx.canvas.style.cursor = '';
|
3037 |
|
3038 | for (var i=0; i<this.events.length; i++) {
|
3039 | var e = this.events[i];
|
3040 | var element = this.eventElements[i];
|
3041 | while (element) {
|
3042 | e.run(element);
|
3043 | element = element.parent;
|
3044 | }
|
3045 | }
|
3046 |
|
3047 |
|
3048 | this.events = [];
|
3049 | this.eventElements = [];
|
3050 | }
|
3051 | });
|
3052 |
|
3053 | return svg;
|
3054 | };
|
3055 |
|
3056 | if (typeof(CanvasRenderingContext2D) != 'undefined') {
|
3057 | CanvasRenderingContext2D.prototype.drawSvg = function(s, dx, dy, dw, dh) {
|
3058 | canvg(this.canvas, s, {
|
3059 | ignoreMouse: true,
|
3060 | ignoreAnimation: true,
|
3061 | ignoreDimensions: true,
|
3062 | ignoreClear: true,
|
3063 | offsetX: dx,
|
3064 | offsetY: dy,
|
3065 | scaleWidth: dw,
|
3066 | scaleHeight: dh
|
3067 | });
|
3068 | }
|
3069 | }
|
3070 |
|
3071 | return canvg;
|
3072 |
|
3073 | }));
|