nextcloud/apps/media/getID3/getid3/module.graphic.svg.php

52 lines
2.0 KiB
PHP

<?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 //
// author: Bryce Harrington <bryceØbryceharrington*org> //
// ///
/////////////////////////////////////////////////////////////////
class getid3_svg
{
function getid3_svg(&$fd, &$ThisFileInfo) {
fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
// I'm making this up, please modify as appropriate
$SVGheader = fread($fd, 32);
$ThisFileInfo['svg']['magic'] = substr($SVGheader, 0, 4);
if ($ThisFileInfo['svg']['magic'] == 'aBcD') {
$ThisFileInfo['fileformat'] = 'svg';
$ThisFileInfo['video']['dataformat'] = 'svg';
$ThisFileInfo['video']['lossless'] = true;
$ThisFileInfo['video']['bits_per_sample'] = 24;
$ThisFileInfo['video']['pixel_aspect_ratio'] = (float) 1;
$ThisFileInfo['svg']['width'] = getid3_lib::LittleEndian2Int(substr($fileData, 4, 4));
$ThisFileInfo['svg']['height'] = getid3_lib::LittleEndian2Int(substr($fileData, 8, 4));
$ThisFileInfo['video']['resolution_x'] = $ThisFileInfo['svg']['width'];
$ThisFileInfo['video']['resolution_y'] = $ThisFileInfo['svg']['height'];
return true;
}
$ThisFileInfo['error'][] = 'Did not find SVG magic bytes "aBcD" at '.$ThisFileInfo['avdataoffset'];
unset($ThisFileInfo['fileformat']);
return false;
}
}
?>