<?php
/**
- * Handler for Microsoft bitmap format (bmp). It inherits most of the methods
- * from ImageHandler, some of them had to be overriden cause gd does not
- * support this format.
+ * Handler for Microsoft's bitmap format.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Media
+ */
+
+/**
+ * Handler for Microsoft's bitmap format; getimagesize() doesn't
+ * support these files
+ *
+ * @ingroup Media
*/
class BmpHandler extends BitmapHandler {
- /*
+ /**
+ * @param $file
+ * @return bool
+ */
+ function mustRender( $file ) {
+ return true;
+ }
+
+ /**
+ * Render files as PNG
+ *
+ * @param $text
+ * @param $mime
+ * @param $params
+ * @return array
+ */
+ function getThumbType( $text, $mime, $params = null ) {
+ return array( 'png', 'image/png' );
+ }
+
+ /**
* Get width and height from the bmp header.
+ *
+ * @param $image
+ * @param $filename
+ * @return array
*/
function getImageSize( $image, $filename ) {
- $f = fopen( $filename, 'r' );
- if(!$f) return false;
+ $f = fopen( $filename, 'rb' );
+ if( !$f ) {
+ return false;
+ }
$header = fread( $f, 54 );
fclose($f);
$h = substr( $header, 22, 4);
// Convert the unsigned long 32 bits (little endian):
- $w = unpack( 'V' , $w );
- $h = unpack( 'V' , $h );
+ try {
+ $w = wfUnpack( 'V', $w, 4 );
+ $h = wfUnpack( 'V', $h, 4 );
+ } catch ( MWException $e ) {
+ return false;
+ }
return array( $w[1], $h[1] );
}
}
-
-?>