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File: /lib/module.graphic.svg.php

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<?php
















class getid3_svg extends getid3_handler
{


public function 
Analyze() {
$info = &$this->getid3->info;

$this->fseek($info['avdataoffset']);

$SVGheader $this->fread(4096);
if (
preg_match('#\<\?xml([^\>]+)\?\>#i'$SVGheader$matches)) {
$info['svg']['xml']['raw'] = $matches;
}
if (
preg_match('#\<\!DOCTYPE([^\>]+)\>#i'$SVGheader$matches)) {
$info['svg']['doctype']['raw'] = $matches;
}
if (
preg_match('#\<svg([^\>]+)\>#i'$SVGheader$matches)) {
$info['svg']['svg']['raw'] = $matches;
}
if (isset(
$info['svg']['svg']['raw'])) {

$sections_to_fix = array('xml''doctype''svg');
foreach (
$sections_to_fix as $section_to_fix) {
if (!isset(
$info['svg'][$section_to_fix])) {
continue;
}
$section_data = array();
while (
preg_match('/ "([^"]+)"/'$info['svg'][$section_to_fix]['raw'][1], $matches)) {
$section_data[] = $matches[1];
$info['svg'][$section_to_fix]['raw'][1] = str_replace($matches[0], ''$info['svg'][$section_to_fix]['raw'][1]);
}
while (
preg_match('/([^\s]+)="([^"]+)"/'$info['svg'][$section_to_fix]['raw'][1], $matches)) {
$section_data[] = $matches[0];
$info['svg'][$section_to_fix]['raw'][1] = str_replace($matches[0], ''$info['svg'][$section_to_fix]['raw'][1]);
}
$section_data array_merge($section_datapreg_split('/[\s,]+/'$info['svg'][$section_to_fix]['raw'][1]));
foreach (
$section_data as $keyvaluepair) {
$keyvaluepair trim($keyvaluepair);
if (
$keyvaluepair) {
$keyvalueexploded explode('='$keyvaluepair);
$key = (isset($keyvalueexploded[0]) ? $keyvalueexploded[0] : '');
$value = (isset($keyvalueexploded[1]) ? $keyvalueexploded[1] : '');
$info['svg'][$section_to_fix]['sections'][$key] = trim($value'"');
}
}
}

$info['fileformat'] = 'svg';
$info['video']['dataformat'] = 'svg';
$info['video']['lossless'] = true;

 
$info['video']['pixel_aspect_ratio'] = (float) 1;

if (!empty(
$info['svg']['svg']['sections']['width'])) {
$info['svg']['width'] = intval($info['svg']['svg']['sections']['width']);
}
if (!empty(
$info['svg']['svg']['sections']['height'])) {
$info['svg']['height'] = intval($info['svg']['svg']['sections']['height']);
}
if (!empty(
$info['svg']['svg']['sections']['version'])) {
$info['svg']['version'] = $info['svg']['svg']['sections']['version'];
}
if (!isset(
$info['svg']['version']) && isset($info['svg']['doctype']['sections'])) {
foreach (
$info['svg']['doctype']['sections'] as $key => $value) {
if (
preg_match('#//W3C//DTD SVG ([0-9\.]+)//#i'$key$matches)) {
$info['svg']['version'] = $matches[1];
break;
}
}
}

if (!empty(
$info['svg']['width'])) {
$info['video']['resolution_x'] = $info['svg']['width'];
}
if (!empty(
$info['svg']['height'])) {
$info['video']['resolution_y'] = $info['svg']['height'];
}

return 
true;
}
$info['error'][] = 'Did not find expected <svg> tag';
return 
false;
}

}

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