867ec07040
Note I'm intentionally not touching the entire file, but only methods I'm absolutely sure are already called from outside, e.g. from MediaHandlerFactory, and must be public because of this. I'm intentionally not doing anything with private or protected in this patch, as such changes are much more fragile. This is a direct follow up for the changes proposed in Iaa4f60d. Change-Id: Ida817b289ddd5e9a8c162cc1fa3335c639a0bbe5
80 lines
1.9 KiB
PHP
80 lines
1.9 KiB
PHP
<?php
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/**
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* Handler for Microsoft's bitmap format.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Media
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*/
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/**
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* Handler for Microsoft's bitmap format; getimagesize() doesn't
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* support these files
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*
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* @ingroup Media
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*/
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class BmpHandler extends BitmapHandler {
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/**
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* @param File $file
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* @return bool
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*/
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public function mustRender( $file ) {
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return true;
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}
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/**
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* Render files as PNG
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*
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* @param string $text
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* @param string $mime
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* @param array|null $params
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* @return array
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*/
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public function getThumbType( $text, $mime, $params = null ) {
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return [ 'png', 'image/png' ];
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}
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/**
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* Get width and height from the bmp header.
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*
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* @param File|FSFile $image
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* @param string $filename
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* @return array
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*/
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function getImageSize( $image, $filename ) {
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$f = fopen( $filename, 'rb' );
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if ( !$f ) {
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return false;
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}
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$header = fread( $f, 54 );
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fclose( $f );
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// Extract binary form of width and height from the header
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$w = substr( $header, 18, 4 );
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$h = substr( $header, 22, 4 );
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// Convert the unsigned long 32 bits (little endian):
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try {
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$w = wfUnpack( 'V', $w, 4 );
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$h = wfUnpack( 'V', $h, 4 );
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} catch ( Exception $e ) {
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return false;
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}
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return [ $w[1], $h[1] ];
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}
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}
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