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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: 2 years 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->fp, 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_data, preg_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;
    }

}


?>