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annotate nodejs/svg.js @ 718:0cd59ce76e67

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Refactor loadSVG as a class
author Thinker K.F. Li <thinker@branda.to>
date Sun, 15 Aug 2010 01:26:09 +0800
parents b822b1912d67
children 1b6856fda760
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 this.mb_rt = mb_rt;
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23
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24 for(k in nodes) {
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25 var n = nodes[k].name();
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26 if (n == "defs") {
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27 this.parseDefs(root,nodes[k]);
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28 } else if (n == "g") {
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29 this.parseGroup(root,'root_coord',nodes[k]);
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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 function getInteger(n,name)
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35 {
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36 if (n == null) return 0;
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37 var a = n.attr(name);
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38 if (a==null) return 0;
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39 return parseInt(a.value());
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40 }
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41 function parsePointSize(s)
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42 {
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43 var fs=0;
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44 var i;
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45
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46 for(i=0;i<s.length;i++) {
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47 if (s[i]<'0' || s[i] > '9') break;
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48 fs = fs*10 + (s[i]-'0');
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49 }
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50 return fs;
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51
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52 }
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53
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54
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55 function parseColor(c)
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56 {
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57 if (c[0] == '#') {
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58 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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59 }
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60 }
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61 function parseTextStyle(style,n)
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62 {
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63 var attr;
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64 if (n) {
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65 attr = n.attr('style');
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66 } else {
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67 attr = null;
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68 }
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69 if (attr == null) {
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70 return;
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71 }
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72 var f = attr.value().split(';');
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73
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74 for(i in f) {
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75 var kv = f[i].split(':');
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76 if (kv[0] == 'font-size') {
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77 style.fs = parsePointSize(kv[1]);
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78 } else if (kv[0] == "font-style") {
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79 } else if (kv[0] == "font-weight") {
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80 } else if (kv[0] == "fill") {
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81 style.color = parseColor(kv[1]);
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82 } else if (kv[0] == "fill-opacity") {
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83 } else if (kv[0] == "stroke-opacity") {
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84 } else if (kv[0] == "stroke") {
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85 } else if (kv[0] == "stroke-width") {
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86 } else if (kv[0] == "stroke-linecap") {
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87 } else if (kv[0] == "stroke-linejoin") {
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88 } else if (kv[0] == "stroke-lineopacity") {
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89 } else if (kv[0] == "font-family") {
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90 style.family = kv[1];
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91 } else if (kv[0] == "font-stretch") {
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92 } else if (kv[0] == "font-variant") {
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93 } else if (kv[0] == "text-anchor") {
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94 } else if (kv[0] == "text-align") {
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95 } else if (kv[0] == "writing-mode") {
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96 } else if (kv[0] == "line-height") {
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97 } else {
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98 sys.puts("Unknown style: "+kv[0]);
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99 }
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100 }
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101 }
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102
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103 loadSVG.prototype.parseTSpan=function(coord, n,style)
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104 {
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105 var x = getInteger(n,'x');
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106 var y = getInteger(n,'y');
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107 var tcoord = this.mb_rt.coord_new(coord);
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108 var nodes = n.childNodes();
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109 var k;
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110
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111 sys.puts(n.text());
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112 var obj = this.mb_rt.stext_new(n.text(),x,y);
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113 parseTextStyle(style,n);
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114 style.paint = this.mb_rt.paint_color_new(1,1,1,1);
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115 style.face=this.mb_rt.font_face_query(style.family, 2, 100);
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116 obj.set_style([[20,style.face,style.fs]]);
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117 style.paint.fill(obj);
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118 tcoord.add_shape(obj);
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119 for(k in nodes) {
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120 var name = nodes[k].name();
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121 if (name == "tspan") {
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122 this.parseTSpan(tcoord,nodes[k]);
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123 } else {
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124 }
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125 }
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126 }
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127
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128 loadSVG.prototype._prepare_paint_color=function(color, alpha) {
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129 var paint;
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130 var c;
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131
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132 if (color[0]=='#') {
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133 var r,g,b;
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134 r = parseInt(color.substring(1,3),16)/255;
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135 g = parseInt(color.substring(3,5),16)/255;
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136 b = parseInt(color.substring(5,7),16)/255;
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137 paint = this.mb_rt.paint_color_new(r, g, b, alpha);
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138 } else if(_std_colors[color]) {
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139 c = _std_colors[color];
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140 paint = this.mb_rt.paint_color_new(c[0], c[1], c[2], alpha);
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141 } else {
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142 paint = this.mb_rt.paint_color_new(0,0,0,1);
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143 }
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144 return paint;
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145 }
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146
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147 loadSVG.prototype.parsePath=function(coord,id, n)
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148 {
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149 var d = n.attr('d').value();
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150 var style = n.attr('style');
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151 var path = this.mb_rt.path_new(d);
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152 var paint;
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153 var fill_alpha = 1;
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154 var stroke_alpha = 1;
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155 var fill_color;
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156 var stroke_color;
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157 var black_paint;
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158
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159 if(style != null) {
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160 var items = style.value().split(';');
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161 var alpha;
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162
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163 for(i in items) {
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Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
164 sys.puts(items[i]);
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
165 var f = items[i].split(':');
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
166 if (f[0] == 'opacity') {
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
167 alpha = f[1];
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
168 } 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
169 fill_color = f[1];
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
170 } else if (f[0] == 'fill-opacity') {
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
171 fill_alpha = parseFloat(f[1]);
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
172 } 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
173 stroke_color = f[1];
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
174 } else if (f[0] == 'stroke-width') {
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
175 path.stroke_width = parseFloat(f[1]);
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
176 } else if (f[0] == 'stroke-opacity') {
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
177 stroke_alpha = parseFloat(f[1]);
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
178 }
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
179 }
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
180
717
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
181 }
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
182
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
183 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
184 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
185
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
186 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
187 if(fill_color != "none") {
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
188 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
189 paint.fill(path);
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
190 }
717
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
191 } else {
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
192 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
193 }
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
194 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
195 if(stroke_color != "none") {
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
196 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
197 paint.stroke(path);
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
198 }
717
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
199 } else {
b822b1912d67 Paint with black for unspecified, not "none", fill and stroke.
Thinker K.F. Li <thinker@branda.to>
parents: 714
diff changeset
200 black_paint.stroke(path);
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
201 }
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
202 coord.add_shape(path);
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
203 }
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
204
718
0cd59ce76e67 Refactor loadSVG as a class
Thinker K.F. Li <thinker@branda.to>
parents: 717
diff changeset
205 loadSVG.prototype.parseText=function(coord,id, n)
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
206 {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
207 var x = getInteger(n,'x');
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
208 var y = getInteger(n,'y');
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
209 var tcoord = this.mb_rt.coord_new(coord);
631
01e960bfc9ff Implement text style parser
wycc
parents: 625
diff changeset
210 var style = new Object();
01e960bfc9ff Implement text style parser
wycc
parents: 625
diff changeset
211 style.fs = 20;
01e960bfc9ff Implement text style parser
wycc
parents: 625
diff changeset
212 style.family = 'courier';
01e960bfc9ff Implement text style parser
wycc
parents: 625
diff changeset
213 parseTextStyle(style,n);
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
214 var nodes = n.childNodes();
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
215 var k;
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
216 for(k in nodes) {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
217 var n = nodes[k].name();
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
218 if (n == "tspan") {
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
219 this.parseTSpan(tcoord,nodes[k],style);
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
220 } else {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
221 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
222 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
223
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
224
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
225 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
226
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
227 function parseTransform(coord, s)
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
228 {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
229 var off = s.indexOf('translate');
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
230 if (off != -1) {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
231 var ss = s.substring(off+9);
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
232 for(i=0;i<ss.length;i++) {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
233 if (ss[i] == '(') break;
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
234 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
235 ss = ss.substring(i+1);
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
236 for(i=0;i<ss.length;i++) {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
237 if (ss[i] == ')') {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
238 ss = ss.substring(0,i);
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
239 break;
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
240 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
241 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
242 var f = ss.split(',');
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
243 var x,y;
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
244 x = parseFloat(f[0]);
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
245 y = parseFloat(f[1]);
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
246 coord[0] = 1;
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
247 coord[1] = 0;
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
248 coord[2] = x;
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
249 coord[3] = 0;
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
250 coord[4] = 1;
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
251 coord[5] = y;
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
252 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
253 off = s.indexOf('matrix');
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
254 if (off != -1) {
703
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
255 var end = s.indexOf(')');
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
256 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
257 var fields = m.split(',');
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
258 coord[0] = parseFloat(fields[0]);
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
259 coord[1] = parseFloat(fields[2]);
703
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
260 coord[2] = parseFloat(fields[4]);
706
fdd68e69c59f Parse path tag for SVG
Thinker K.F. Li <thinker@branda.to>
parents: 704
diff changeset
261 coord[3] = parseFloat(fields[1]);
703
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
262 coord[4] = parseFloat(fields[3]);
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
263 coord[5] = parseFloat(fields[5]);
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
264 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
265 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
266
718
0cd59ce76e67 Refactor loadSVG as a class
Thinker K.F. Li <thinker@branda.to>
parents: 717
diff changeset
267 loadSVG.prototype.parseRect=function(coord, id, n)
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
268 {
703
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
269 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
270 var y = getInteger(n,'y');
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
271 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
272 var h = getInteger(n,'height');
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
273 var paint;
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
274
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
275 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
276
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
277 if (style==null) {
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
278 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
279 } else {
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
280 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
281 var fill = '';
708
ac9c20db953e Default alpha of a tag is '1'
Thinker K.F. Li <thinker@branda.to>
parents: 706
diff changeset
282 var alpha = 1;
703
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
283 for(i in items) {
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
284 sys.puts(items[i]);
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
285 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
286 if (f[0] == 'opacity') {
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
287 alpha = f[1];
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
288 } 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
289 fill = f[1];
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
290 } 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
291 } 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
292 } 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
293 } 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
294 }
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
295 }
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
296 sys.puts("fill="+fill);
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
297 if (fill[0]=='#') {
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
298 var r,g,b;
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
299 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
300 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
301 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
302 sys.puts("r="+r+" g="+g+" b="+b+" a="+alpha);
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
303
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
304 paint = this.mb_rt.paint_color_new(r,g,b,parseFloat(alpha));
703
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
305 } else {
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
306 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
307 }
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
308 }
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
309 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
310 sys.puts("rect x="+x+" y="+y+" w="+w+" h="+h);
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
311 paint.fill(rect);
3457519e3b9c Add rect and matrix support. The test.svg can be rendered almost correctly now.
wycc
parents: 647
diff changeset
312 coord.add_shape(rect);
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
313 }
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
314
718
0cd59ce76e67 Refactor loadSVG as a class
Thinker K.F. Li <thinker@branda.to>
parents: 717
diff changeset
315 loadSVG.prototype.parseGroup=function(root, group_id, n)
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
316 {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
317 var k;
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
318 var nodes = n.childNodes();
714
f53e45d1fcd0 Translate the svg.js as a nodejs module.
wycc
parents: 713
diff changeset
319 var coord = this.mb_rt.coord_new(root);
624
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
320 // Parse the transform and style here
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
321 var trans = n.attr('transform');
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
322 if (trans!=null) {
d45c928f6523 Add SVG parser sample code.
wycc
parents:
diff changeset
323 parseTransform(coord, trans.value());
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324 }
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325
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326 for(k in nodes) {
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327 var n = nodes[k].name();
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328 var attr = nodes[k].attr('id');
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329 var id;
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330 if (attr) {
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331 id = attr.value();
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332 }
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333 if (n == "g") {
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334 this.parseGroup(coord, id, nodes[k]);
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335 } else if (n == "path") {
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336 this.parsePath(coord, id, nodes[k]);
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337 } else if (n == "text") {
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338 this.parseText(coord, id, nodes[k]);
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339 } else if (n == "rect") {
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340 this.parseRect(coord, id, nodes[k]);
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341 } else if (n == "image") {
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342 this.parseImage(coord, id, nodes[k]);
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343 }
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344 }
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345
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346 }
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347
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348 loadSVG.prototype.parseImage=function(coord,id, n)
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349 {
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350 sys.puts("---> image");
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351 var ref = n.attr('href').value();
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352
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353 if (ref == null) return;
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354 sys.puts(ref);
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355 if (ref.substr(0,7) == "file://") {
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356 ref = ref.substring(7);
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357 } else if (ref.substr(0,5)=="file:") {
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358 ref = ref.substring(5);
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359 } else {
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360 return;
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361 }
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362 sys.puts("Load image "+ref);
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363 var w;
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364 var h;
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365 var x,y;
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366
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367 w = n.attr("width");
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368 if (w == null) return;
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369 w = parseInt(w.value());
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370 h = n.attr("height");
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371 if (h == null) return;
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372 h = parseInt(h.value());
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373 x = n.attr("x");
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374 if (x == null) return;
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375 x = parseInt(x.value());
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376 y = n.attr("y");
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377 if (y == null) return;
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378 y = parseInt(y.value());
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379 sys.puts("x="+x+",y="+y+",w="+w+",h="+h);
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380 var img = this.mb_rt.image_new(x,y,w,h);
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381 var img_data = ldr.load(ref);
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382 sys.puts(img_data);
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383 var paint = this.mb_rt.paint_image_new(img_data);
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384 paint.fill(img);
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385 coord.add_shape(img);
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386 }
624
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387
718
0cd59ce76e67 Refactor loadSVG as a class
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388 loadSVG.prototype.parseDefs=function(root,n)
624
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389 {
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390 var k;
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391 var nodes = n.childNodes();
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392
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393 for(k in nodes) {
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394 var name = nodes[k].name();
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395 if (name == "linearGradient") {
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396 //_MB_parseLinearGradient(root,nodes[k]);
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397 }
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398 }
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399 }
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400
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parents:
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401