Mercurial > MadButterfly

annotate nodejs/svg.js @ 759:ae1ae29348d1

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Add origin calculation support
author wycc
date Sat, 28 Aug 2010 22:14:38 +0800
parents 199bac90b90a
children 77b561bb7929
rev   line source
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1 var libxml = require('libxmljs');
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2 var sys=require('sys');
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3 var mbfly = require("mbfly");
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4 var ldr = mbfly.img_ldr_new(".");
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5
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6
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7 var _std_colors = {
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8 "white": [1, 1, 1],
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9 "black": [0, 0, 0],
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10 "red": [1, 0, 0]
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11 };
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12
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13 exports.loadSVG=function(mb_rt,root,filename) {
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14 return new loadSVG(mb_rt, root, filename);
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15 };
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16
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17 function loadSVG(mb_rt, root, filename) {
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18 var doc = libxml.parseXmlFile(filename);
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19 var nodes = doc.root().childNodes();
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20 var coord = mb_rt.coord_new(root);
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21 var k;
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22 var accu=[1,0,0,0,1,0];
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23 this.mb_rt = mb_rt;
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24 this.stop_ref={};
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25 this.gradients={};
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26
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27 for(k in nodes) {
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28 var n = nodes[k].name();
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29 if (n == "defs") {
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30 this.parseDefs(root,nodes[k]);
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31 } else if (n == "g") {
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32 this.parseGroup(accu,root,'root_coord',nodes[k]);
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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 function make_mbnames(mb_rt, n, obj) {
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38 var mbname;
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39 var name;
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40
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41 if(!mb_rt.mbnames)
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42 mb_rt.mbnames = {};
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43
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44 mbname = n.attr("mbname");
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45 if(mbname) {
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46 name = mbname.value();
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47 mb_rt.mbnames[name] = obj;
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48 }
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49 }
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50
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51 function getInteger(n,name)
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52 {
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53 if (n == null) return 0;
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54 var a = n.attr(name);
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55 if (a==null) return 0;
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56 return parseInt(a.value());
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57 }
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58
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59 function parsePointSize(s)
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60 {
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61 var fs=0;
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62 var i;
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63
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64 for(i=0;i<s.length;i++) {
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65 if (s[i]<'0' || s[i] > '9') break;
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66 fs = fs*10 + (s[i]-'0');
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67 }
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68 return fs;
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69
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70 }
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71
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72 function parseColor(c)
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73 {
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74 if (c[0] == '#') {
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75 return parseInt(c.substring(1,3),16)<<16 | parseInt(c.substring(3,5),16)<<8 | parseInt(c.substring(5,7),16);
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76 }
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77 }
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78
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79 function parseTextStyle(style,n)
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80 {
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81 var attr;
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82 if (n) {
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83 attr = n.attr('style');
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84 } else {
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85 attr = null;
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86 }
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87 if (attr == null) {
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88 return;
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89 }
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90 var f = attr.value().split(';');
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91
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92 for(i in f) {
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93 var kv = f[i].split(':');
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94 if (kv[0] == 'font-size') {
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95 style.fs = parsePointSize(kv[1]);
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96 } else if (kv[0] == "font-style") {
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97 } else if (kv[0] == "font-weight") {
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98 } else if (kv[0] == "fill") {
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99 style.color = parseColor(kv[1]);
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100 } else if (kv[0] == "fill-opacity") {
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101 } else if (kv[0] == "stroke-opacity") {
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102 } else if (kv[0] == "stroke") {
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103 } else if (kv[0] == "stroke-width") {
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104 } else if (kv[0] == "stroke-linecap") {
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105 } else if (kv[0] == "stroke-linejoin") {
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106 } else if (kv[0] == "stroke-lineopacity") {
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107 } else if (kv[0] == "font-family") {
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108 style.family = kv[1];
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109 } else if (kv[0] == "font-stretch") {
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110 } else if (kv[0] == "font-variant") {
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111 } else if (kv[0] == "text-anchor") {
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112 } else if (kv[0] == "text-align") {
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113 } else if (kv[0] == "writing-mode") {
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114 } else if (kv[0] == "line-height") {
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115 } else {
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116 sys.puts("Unknown style: "+kv[0]);
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117 }
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118 }
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119 }
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120 function tspan_set_text(text)
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121 {
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122 this.text.set_text(text);
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123 }
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124
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125 loadSVG.prototype.parseTSpan=function(coord, n,style)
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126 {
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127 var x = getInteger(n,'x');
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128 var y = getInteger(n,'y');
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129 var tcoord = this.mb_rt.coord_new(coord);
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130 var nodes = n.childNodes();
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131 var k;
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132
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133 var obj = this.mb_rt.stext_new(n.text(),x,y);
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134 parseTextStyle(style,n);
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135 style.paint = this.mb_rt.paint_color_new(1,1,1,1);
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136 style.face=this.mb_rt.font_face_query(style.family, 2, 100);
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137 obj.set_style([[20,style.face,style.fs]]);
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138 style.paint.fill(obj);
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139 tcoord.add_shape(obj);
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140 for(k in nodes) {
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141 var name = nodes[k].name();
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142 if (name == "tspan") {
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143 this.parseTSpan(tcoord,nodes[k]);
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144 } else {
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145 }
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146 }
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147 tcoord.set_text=tspan_set_text;
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148 tcoord.text = obj;
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149 make_mbnames(this.mb_rt, n, tcoord);
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150 }
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151
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152 loadSVG.prototype._prepare_paint_color=function(color, alpha) {
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153 var paint;
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154 var c;
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155
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156 if (color[0]=='#') {
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157 var r,g,b;
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158 r = parseInt(color.substring(1,3),16)/255;
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159 g = parseInt(color.substring(3,5),16)/255;
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160 b = parseInt(color.substring(5,7),16)/255;
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161 paint = this.mb_rt.paint_color_new(r, g, b, alpha);
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162 } else if(_std_colors[color]) {
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163 c = _std_colors[color];
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parents: 713
diff changeset
164 paint = this.mb_rt.paint_color_new(c[0], c[1], c[2], alpha);
706
fdd68e69c59f Parse path tag for SVG
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parents: 704
diff changeset
165 } else {
714
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wycc
parents: 713
diff changeset
166 paint = this.mb_rt.paint_color_new(0,0,0,1);
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
167 }
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
168 return paint;
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
169 }
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
170
759
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parents: 750
diff changeset
171 function guessPathBoundingBox(coord,d)
ae1ae29348d1 Add origin calculation support
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parents: 750
diff changeset
172 {
ae1ae29348d1 Add origin calculation support
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diff changeset
173 var items = d.split(' ');
ae1ae29348d1 Add origin calculation support
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parents: 750
diff changeset
174 var len = items.length;
ae1ae29348d1 Add origin calculation support
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parents: 750
diff changeset
175 var pair;
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
176 var i;
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parents: 750
diff changeset
177 var minx,miny;
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parents: 750
diff changeset
178
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parents: 750
diff changeset
179 minx = 10000;
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diff changeset
180 miny = 10000;
ae1ae29348d1 Add origin calculation support
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parents: 750
diff changeset
181
ae1ae29348d1 Add origin calculation support
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parents: 750
diff changeset
182 for(i=0;i<len;i++) {
ae1ae29348d1 Add origin calculation support
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parents: 750
diff changeset
183 var type = items[i].toLowerCase();
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wycc
parents: 750
diff changeset
184 x = minx;y = miny;
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
185 switch(type) {
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
186 case 'm':
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
187 case 'l':
ae1ae29348d1 Add origin calculation support
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parents: 750
diff changeset
188 case 'a':
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parents: 750
diff changeset
189 case 'x':
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parents: 750
diff changeset
190 pair = items[i+1].split(',');
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
191 if (pair.length==2) {
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
192 x = parseFloat(pair[0]);
ae1ae29348d1 Add origin calculation support
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diff changeset
193 y = parseFloat(pair[1]);
ae1ae29348d1 Add origin calculation support
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parents: 750
diff changeset
194 i++;
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diff changeset
195 } else {
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diff changeset
196 x = parseFloat(items[i+1]);
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diff changeset
197 y = parseFloat(items[i+2]);
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diff changeset
198 i+=2;
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diff changeset
199 }
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diff changeset
200 break;
ae1ae29348d1 Add origin calculation support
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parents: 750
diff changeset
201 case 'q':
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
202 // Implement this latter
ae1ae29348d1 Add origin calculation support
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parents: 750
diff changeset
203 break;
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
204 case 'c':
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wycc
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diff changeset
205 // Implement this latter
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
206 break;
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diff changeset
207 case 's':
ae1ae29348d1 Add origin calculation support
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parents: 750
diff changeset
208 // Implement this latter
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
209 break;
ae1ae29348d1 Add origin calculation support
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diff changeset
210 case 'h':
ae1ae29348d1 Add origin calculation support
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parents: 750
diff changeset
211 x = parseFloat(items[i+1]);
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
212 break;
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parents: 750
diff changeset
213 case 'v':
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parents: 750
diff changeset
214 y = parseFloat(items[i+1]);
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wycc
parents: 750
diff changeset
215 break;
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parents: 750
diff changeset
216 }
ae1ae29348d1 Add origin calculation support
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parents: 750
diff changeset
217 if (x < minx) minx = x;
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
218 if (y < miny) miny = y;
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
219 }
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
220 if (coord.center.x > minx)
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
221 coord.center.x = minx;
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
222 if (coord.center.y > miny)
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
223 coord.center.y = miny;
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
224 }
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
225
ae1ae29348d1 Add origin calculation support
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parents: 750
diff changeset
226
718
0cd59ce76e67 Refactor loadSVG as a class
Thinker K.F. Li <thinker@branda.to>
parents: 717
diff changeset
227 loadSVG.prototype.parsePath=function(coord,id, n)
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
228 {
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
229 var d = n.attr('d').value();
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
230 var style = n.attr('style');
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
231 var path = this.mb_rt.path_new(d);
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
232 var paint;
717
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
233 var fill_alpha = 1;
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
234 var stroke_alpha = 1;
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Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
235 var fill_color;
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
236 var stroke_color;
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Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
237 var black_paint;
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
238
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
239 guessPathBoundingBox(coord,d);
717
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
240 if(style != null) {
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
241 var items = style.value().split(';');
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
242 var alpha;
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
243
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
244 for(i in items) {
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
245 var f = items[i].split(':');
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
246 if (f[0] == 'opacity') {
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
247 alpha = f[1];
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
248 } else if (f[0] == 'fill') {
717
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
249 fill_color = f[1];
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
250 } else if (f[0] == 'fill-opacity') {
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
251 fill_alpha = parseFloat(f[1]);
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
252 } else if (f[0] == 'stroke') {
717
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
253 stroke_color = f[1];
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
254 } else if (f[0] == 'stroke-width') {
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
255 path.stroke_width = parseFloat(f[1]);
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
256 } else if (f[0] == 'stroke-opacity') {
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
257 stroke_alpha = parseFloat(f[1]);
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
258 }
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
259 }
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
260
717
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
261 }
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
262
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
263 if(!fill_color || !stroke_color)
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
264 black_paint = this.mb_rt.paint_color_new(0, 0, 0, 1);
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
265
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
266 if(fill_color) {
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
267 if(fill_color != "none") {
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
268 paint = this._prepare_paint_color(fill_color, fill_alpha);
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
269 paint.fill(path);
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
270 sys.puts("paint path with "+fill_color+" "+fill_alpha);
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
271 }
717
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
272 } else {
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
273 black_paint.fill(path);
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
274 }
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
275 if(stroke_color) {
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
276 if(stroke_color != "none") {
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
277 paint = this._prepare_paint_color(stroke_color, stroke_alpha);
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
278 paint.stroke(path);
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
279 sys.puts("stroke path");
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
280 }
717
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
281 } else {
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
282 black_paint.stroke(path);
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
283 }
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
284 coord.add_shape(path);
719
1b6856fda760 Collect mbnames and mapping to object through mb_rt.mbnames
Thinker K.F. Li <thinker@branda.to>
parents: 718
diff changeset
285
1b6856fda760 Collect mbnames and mapping to object through mb_rt.mbnames
Thinker K.F. Li <thinker@branda.to>
parents: 718
diff changeset
286 make_mbnames(this.mb_rt, n, path);
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
287 }
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
288
718
0cd59ce76e67 Refactor loadSVG as a class
Thinker K.F. Li <thinker@branda.to>
parents: 717
diff changeset
289 loadSVG.prototype.parseText=function(coord,id, n)
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
290 {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
291 var x = getInteger(n,'x');
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
292 var y = getInteger(n,'y');
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
293 var tcoord = this.mb_rt.coord_new(coord);
631
01e960bfc9ff Implement text style parser
wycc
parents: 625
diff changeset
294 var style = new Object();
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
295
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
296 if (n.attr('x'))
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
297 if (coord.center.x > x)
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
298 coord.center.x = x;
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
299 if (n.attr('y'))
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
300 if (coord.center.y > y)
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
301 coord.center.y = y;
631
01e960bfc9ff Implement text style parser
wycc
parents: 625
diff changeset
302 style.fs = 20;
01e960bfc9ff Implement text style parser
wycc
parents: 625
diff changeset
303 style.family = 'courier';
01e960bfc9ff Implement text style parser
wycc
parents: 625
diff changeset
304 parseTextStyle(style,n);
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
305 var nodes = n.childNodes();
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
306 var k;
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
307 for(k in nodes) {
720
9c5abb4e114b Fix issue of redefine a variable with the same name of a argument
Thinker K.F. Li <thinker@branda.to>
parents: 719
diff changeset
308 var c= nodes[k].name();
9c5abb4e114b Fix issue of redefine a variable with the same name of a argument
Thinker K.F. Li <thinker@branda.to>
parents: 719
diff changeset
309 if (c == "tspan") {
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
310 this.parseTSpan(tcoord,nodes[k],style);
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
311 } else {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
312 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
313 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
314
719
1b6856fda760 Collect mbnames and mapping to object through mb_rt.mbnames
Thinker K.F. Li <thinker@branda.to>
parents: 718
diff changeset
315 make_mbnames(this.mb_rt, n, tcoord);
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
316 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
317
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
318
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
319 function multiply(s,d) {
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
320 var m=[];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
321 m[0] = s[0]*d[0]+s[1]*d[3];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
322 m[1] = s[0]*d[1]+s[1]*d[4];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
323 m[2] = s[0]*d[2]+s[1]*d[5]+s[2];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
324 m[3] = s[3]*d[0]+s[4]*d[3];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
325 m[4] = s[3]*d[1]+s[4]*d[4];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
326 m[5] = s[3]*d[2]+s[4]*d[5]+s[5];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
327 s[0] = m[0];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
328 s[1] = m[1];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
329 s[2] = m[2];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
330 s[3] = m[3];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
331 s[4] = m[4];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
332 s[5] = m[5];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
333 }
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
334
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
335 function parseTransform(coord, s)
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
336 {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
337 var off = s.indexOf('translate');
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
338 if (off != -1) {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
339 var ss = s.substring(off+9);
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
340 for(i=0;i<ss.length;i++) {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
341 if (ss[i] == '(') break;
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
342 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
343 ss = ss.substring(i+1);
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
344 for(i=0;i<ss.length;i++) {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
345 if (ss[i] == ')') {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
346 ss = ss.substring(0,i);
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
347 break;
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
348 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
349 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
350 var f = ss.split(',');
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
351 var x,y;
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
352 x = parseFloat(f[0]);
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
353 y = parseFloat(f[1]);
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
354 coord[2] += x;
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
355 coord[5] += y;
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
356 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
357 off = s.indexOf('matrix');
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
358 if (off != -1) {
703
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
359 var end = s.indexOf(')');
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
360 var m = s.substring(7,end);
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
361 var fields = m.split(',');
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
362 var newm=[];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
363 newm[0] = parseFloat(fields[0]);
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
364 newm[1] = parseFloat(fields[2]);
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
365 newm[2] = parseFloat(fields[4]);
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
366 newm[3] = parseFloat(fields[1]);
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
367 newm[4] = parseFloat(fields[3]);
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
368 newm[5] = parseFloat(fields[5]);
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
369 multiply(coord,newm);
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
370 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
371 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
372
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
373 loadSVG.prototype.parseRect=function(accu_matrix,coord, id, n)
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
374 {
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
375 sys.puts("rect");
703
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
376 var x = getInteger(n,'x');
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
377 var y = getInteger(n,'y');
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
378 var rx,ry;
703
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
379 var w = getInteger(n,'width');
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
380 var h = getInteger(n,'height');
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
381 var trans = n.attr('transform');
703
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
382 var paint;
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
383
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
384 var style = n.attr('style');
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
385
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
386 if (trans) {
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
387 parseTransform(coord,trans.value());
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
388 var m = [1,0,0,0,1,0];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
389 parseTransform(m,trans.value());
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
390 rx = x+m[2];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
391 ry = y+m[5];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
392 }
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
393
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
394 if (coord.center.x > rx)
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
395 coord.center.x = rx;
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
396 if (coord.center.y > ry)
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
397 coord.center.y = ry;
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
398 coord.center.x += accu_matrix[2];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
399 coord.center.y += accu_matrix[5];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
400
703
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
401 if (style==null) {
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
402 paint = this.mb_rt.paint_color_new(0,0,0,0.1);
703
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
403 } else {
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
404 var items = style.value().split(';');
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
405 var fill = '';
708
ac9c20db953e Default alpha of a tag is '1'
Thinker K.F. Li <thinker@branda.to>
parents: 706
diff changeset
406 var alpha = 1;
703
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
407 for(i in items) {
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
408 var f = items[i].split(':');
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
409 if (f[0] == 'opacity') {
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
410 alpha = f[1];
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
411 } else if (f[0] == 'fill') {
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
412 fill = f[1];
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
413 } else if (f[0] == 'fill-opacity') {
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
414 } else if (f[0] == 'stroke') {
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
415 } else if (f[0] == 'stroken-width') {
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
416 } else if (f[0] == 'stroke-opacity') {
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
417 }
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
418 }
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
419 if (fill[0]=='#') {
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
420 var r,g,b;
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
421 r = parseInt(fill.substring(1,3),16)/256;
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
422 g = parseInt(fill.substring(3,5),16)/256;
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
423 b = parseInt(fill.substring(5,7),16)/256;
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
424
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
425 paint = this.mb_rt.paint_color_new(r,g,b,parseFloat(alpha));
750
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
426 } else if (fill.substring(0,3) == 'url') {
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
427 var id = fill.substring(5,fill.length-1);
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
428 var gr = this.gradients[id];
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
429 paint = this.mb_rt.paint_linear_new(gr[0],gr[1],gr[2],gr[3]);
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
430 paint.set_stops(this.stop_ref[id]);
703
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
431 } else {
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
432 paint = this.mb_rt.paint_color_new(0,0,0,1);
703
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
433 }
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
434 }
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
435 var rect = this.mb_rt.rect_new(x,y,w,h,10, 10);
703
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
436 paint.fill(rect);
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
437 coord.add_shape(rect);
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
438 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
439
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
440 loadSVG.prototype.parseGroup=function(accu_matrix,root, group_id, n)
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
441 {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
442 var k;
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
443 var nodes = n.childNodes();
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
444 var coord = this.mb_rt.coord_new(root);
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
445 // Parse the transform and style here
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
446 var trans = n.attr('transform');
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
447 var accu=[1,0,0,0,1,0];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
448 coord.center= new Object();
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
449 coord.center.x = 10000;
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
450 coord.center.y = 10000;
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
451 if (trans!=null) {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
452 parseTransform(coord, trans.value());
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
453 }
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
454 accu[2] = accu_matrix[2]+coord[2];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
455 accu[5] = accu_matrix[5]+coord[5];
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
456
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
457
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
458 for(k in nodes) {
719
1b6856fda760 Collect mbnames and mapping to object through mb_rt.mbnames
Thinker K.F. Li <thinker@branda.to>
parents: 718
diff changeset
459 var c = nodes[k].name();
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
460 var attr = nodes[k].attr('id');
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
461 var id;
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
462 if (attr) {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
463 id = attr.value();
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
464 }
719
1b6856fda760 Collect mbnames and mapping to object through mb_rt.mbnames
Thinker K.F. Li <thinker@branda.to>
parents: 718
diff changeset
465 if (c == "g") {
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
466 this.parseGroup(accu,coord, id, nodes[k]);
719
1b6856fda760 Collect mbnames and mapping to object through mb_rt.mbnames
Thinker K.F. Li <thinker@branda.to>
parents: 718
diff changeset
467 } else if (c == "path") {
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
468 this.parsePath(coord, id, nodes[k]);
719
1b6856fda760 Collect mbnames and mapping to object through mb_rt.mbnames
Thinker K.F. Li <thinker@branda.to>
parents: 718
diff changeset
469 } else if (c == "text") {
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
470 this.parseText(coord, id, nodes[k]);
719
1b6856fda760 Collect mbnames and mapping to object through mb_rt.mbnames
Thinker K.F. Li <thinker@branda.to>
parents: 718
diff changeset
471 } else if (c == "rect") {
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
472 this.parseRect(accu_matrix,coord, id, nodes[k]);
719
1b6856fda760 Collect mbnames and mapping to object through mb_rt.mbnames
Thinker K.F. Li <thinker@branda.to>
parents: 718
diff changeset
473 } else if (c == "image") {
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
474 this.parseImage(coord, id, nodes[k]);
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
475 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
476 }
719
1b6856fda760 Collect mbnames and mapping to object through mb_rt.mbnames
Thinker K.F. Li <thinker@branda.to>
parents: 718
diff changeset
477 make_mbnames(this.mb_rt, n, coord);
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
478 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
479
718
0cd59ce76e67 Refactor loadSVG as a class
Thinker K.F. Li <thinker@branda.to>
parents: 717
diff changeset
480 loadSVG.prototype.parseImage=function(coord,id, n)
646
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
481 {
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
482 var ref = n.attr('href').value();
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
483
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
484 if (ref == null) return;
647
492da72e6537 Add image tag support.
wycc
parents: 646
diff changeset
485 if (ref.substr(0,7) == "file://") {
492da72e6537 Add image tag support.
wycc
parents: 646
diff changeset
486 ref = ref.substring(7);
492da72e6537 Add image tag support.
wycc
parents: 646
diff changeset
487 } else if (ref.substr(0,5)=="file:") {
492da72e6537 Add image tag support.
wycc
parents: 646
diff changeset
488 ref = ref.substring(5);
492da72e6537 Add image tag support.
wycc
parents: 646
diff changeset
489 } else {
646
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
490 return;
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
491 }
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
492 var w;
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
493 var h;
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
494 var x,y;
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
495
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
496 w = n.attr("width");
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
497 if (w == null) return;
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
498 w = parseFloat(w.value());
646
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
499 h = n.attr("height");
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
500 if (h == null) return;
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
501 h = parseFloat(h.value());
646
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
502 x = n.attr("x");
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
503 if (x == null) return;
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
504 x = parseFloat(x.value());
646
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
505 y = n.attr("y");
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
506 if (y == null) return;
759
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
507 y = parseFloat(y.value());
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
508 if (coord.center.x > x)
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
509 coord.center.x = x;
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
510 if (coord.center.y > y)
ae1ae29348d1 Add origin calculation support
wycc
parents: 750
diff changeset
511 coord.center.y = y;
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
512 var img = this.mb_rt.image_new(x,y,w,h);
646
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
513 var img_data = ldr.load(ref);
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
514 var paint = this.mb_rt.paint_image_new(img_data);
646
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
515 paint.fill(img);
3a1e80de44ff Add image support
wycc
parents: 632
diff changeset
516 coord.add_shape(img);
719
1b6856fda760 Collect mbnames and mapping to object through mb_rt.mbnames
Thinker K.F. Li <thinker@branda.to>
parents: 718
diff changeset
517 make_mbnames(this.mb_rt, n, img);
646
3a1e80de44ff Add image support
wycc
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518 }
624
d45c928f6523 Add SVG parser sample code.
wycc
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519
750
199bac90b90a Add linearGradient support.
wycc
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520 loadSVG.prototype._MB_parseLinearGradient=function(root,n)
199bac90b90a Add linearGradient support.
wycc
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521 {
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522 var id = n.attr('id');
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523 var k;
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wycc
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524 var nodes = n.childNodes();
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525
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wycc
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526 if (id == null) return;
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527 var x1 = n.attr("x1");
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528 var y1 = n.attr("y1");
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529 var x2 = n.attr("x2");
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wycc
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530 var y2 = n.attr("y2");
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wycc
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531 var gr;
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532 var color, opacity;
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wycc
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533 var stops;
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wycc
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534 var r,g,b;
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535 stops=[];
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wycc
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536 for(k in nodes) {
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wycc
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537 var ss = nodes[k];
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wycc
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538 if (ss.name()=="stop") {
199bac90b90a Add linearGradient support.
wycc
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diff changeset
539 var style = ss.attr("style").value();
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wycc
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540 var items = style.split(';');
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wycc
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541 var off = parseInt(ss.attr('offset').value());
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wycc
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542 color = 'black';
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wycc
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543 opacity = 1;
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wycc
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544 for (i in items) {
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wycc
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545 it = items[i];
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wycc
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546 var f = it.split(':');
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wycc
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547 k = f[0];
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
548 v = f[1];
199bac90b90a Add linearGradient support.
wycc
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549 if (k == 'stop-color') {
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wycc
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550 color = v.substring(1);
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wycc
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551 if (v == 'white') {
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wycc
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552 r = 1;
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wycc
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553 g = 1;
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wycc
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diff changeset
554 b = 1;
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wycc
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555 } else if (v == 'black') {
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wycc
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556 r = 0;
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wycc
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diff changeset
557 g = 0;
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wycc
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558 b = 0;
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wycc
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559 } else {
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wycc
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560 r = parseInt(color.substring(0,2),16)/255.0;
199bac90b90a Add linearGradient support.
wycc
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diff changeset
561 g = parseInt(color.substring(2,4),16)/255.0;
199bac90b90a Add linearGradient support.
wycc
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562 b = parseInt(color.substring(4,6),16)/255.0;
199bac90b90a Add linearGradient support.
wycc
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563 }
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wycc
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diff changeset
564 } else if (k=='stop-opacity') {
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wycc
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diff changeset
565 opacity = parseFloat(v);
199bac90b90a Add linearGradient support.
wycc
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566 }
199bac90b90a Add linearGradient support.
wycc
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diff changeset
567 }
199bac90b90a Add linearGradient support.
wycc
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diff changeset
568 stops.push([off, r,g,b,opacity]);
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
569 }
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
570 }
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
571 var href = n.attr('href');
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wycc
parents: 732
diff changeset
572 if (href != null) {
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wycc
parents: 732
diff changeset
573 href = href.value();
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wycc
parents: 732
diff changeset
574 pstops = this.stop_ref[href.substring(1)];
199bac90b90a Add linearGradient support.
wycc
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diff changeset
575 stops = pstops.concat(stops);
199bac90b90a Add linearGradient support.
wycc
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diff changeset
576 }
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
577 id = id.value();
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wycc
parents: 732
diff changeset
578 this.stop_ref[id] = stops;
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
579 if (x1)
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
580 x1 = parseFloat(x1.value());
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
581 if (x2)
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
582 x2 = parseFloat(x2.value());
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
583 if (y1)
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
584 y1 = parseFloat(y1.value());
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
585 if (y2)
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
586 y2 = parseFloat(y2.value());
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
587 this.gradients[id] = [x1,y1,x2,y2];
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
588 }
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
589
718
0cd59ce76e67 Refactor loadSVG as a class
Thinker K.F. Li <thinker@branda.to>
parents: 717
diff changeset
590 loadSVG.prototype.parseDefs=function(root,n)
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
591 {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
592 var k;
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
593 var nodes = n.childNodes();
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
594
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
595 for(k in nodes) {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
596 var name = nodes[k].name();
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
597 if (name == "linearGradient") {
750
199bac90b90a Add linearGradient support.
wycc
parents: 732
diff changeset
598 this._MB_parseLinearGradient(root,nodes[k]);
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
599 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
600 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
601 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
602
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
603