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File: includes/getid3/module.graphic.svg.php

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  Classes of Karl Holz  >  WaldScan  >  includes/getid3/module.graphic.svg.php  >  Download  
File: includes/getid3/module.graphic.svg.php
Role: Auxiliary script
Content type: text/plain
Description: getID3 dependency
Class: WaldScan
Scan directories for files with certain extensions
Author: By
Last change:
Date: 1 year ago
Size: 4,002 bytes
 

Contents

Class file image Download
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org>               //
//  available at http://getid3.sourceforge.net                 //
//            or http://www.getid3.org                         //
/////////////////////////////////////////////////////////////////
// See readme.txt for more details                             //
/////////////////////////////////////////////////////////////////
//                                                             //
// module.graphic.svg.php                                      //
// module for analyzing SVG Image files                        //
// dependencies: NONE                                          //
//                                                            ///
/////////////////////////////////////////////////////////////////


class getid3_svg extends getid3_handler
{


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

        
fseek($this->getid3->fp$info['avdataoffset'], SEEK_SET);

        
$SVGheader fread($this->getid3->fp4096);
        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']['bits_per_sample']    = 24;
            
$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;
    }

}


?>