1 files changed, 80 insertions, 0 deletions
diff --git a/www/wiki/includes/media/BMP.php b/www/wiki/includes/media/BMP.php
new file mode 100644
index 00000000..0229ac11
--- /dev/null
+++ b/www/wiki/includes/media/BMP.php
@@ -0,0 +1,80 @@
+<?php
+/**
+ * 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 $file
+	 * @return bool
+	 */
+	public function mustRender( $file ) {
+		return true;
+	}
+
+	/**
+	 * Render files as PNG
+	 *
+	 * @param string $text
+	 * @param string $mime
+	 * @param array $params
+	 * @return array
+	 */
+	function getThumbType( $text, $mime, $params = null ) {
+		return [ 'png', 'image/png' ];
+	}
+
+	/**
+	 * Get width and height from the bmp header.
+	 *
+	 * @param File|FSFile $image
+	 * @param string $filename
+	 * @return array
+	 */
+	function getImageSize( $image, $filename ) {
+		$f = fopen( $filename, 'rb' );
+		if ( !$f ) {
+			return false;
+		}
+		$header = fread( $f, 54 );
+		fclose( $f );
+
+		// Extract binary form of width and height from the header
+		$w = substr( $header, 18, 4 );
+		$h = substr( $header, 22, 4 );
+
+		// Convert the unsigned long 32 bits (little endian):
+		try {
+			$w = wfUnpack( 'V', $w, 4 );
+			$h = wfUnpack( 'V', $h, 4 );
+		} catch ( Exception $e ) {
+			return false;
+		}
+
+		return [ $w[1], $h[1] ];
+	}
+}