$m = false;
if ( preg_match( '/^page(\d+)-(\d+)px$/', $str, $m ) ) {
return array( 'width' => $m[2], 'page' => $m[1] );
+ } else if ( preg_match( '/^page(\d+)-djvutxt$/', $str, $m ) ) {
+ return array( 'djvutxt' => 1, 'page' => $m[1] );
} else {
return false;
}
);
}
+ function normaliseParams( $image, &$params ) {
+ global $wgDjvuTxt;
+ if( $params['djvutxt'] && $wgDjvuTxt) {
+ if ( !isset( $params['page'] ) ) {
+ $params['page'] = 1;
+ }
+ $params['width'] = 0;
+ $params['height'] = 0;
+ return true;
+ }
+ else return parent::normaliseParams( $image, $params );
+ }
+
function doTransform( $image, $dstPath, $dstUrl, $params, $flags = 0 ) {
- global $wgDjvuRenderer, $wgDjvuPostProcessor;
+ global $wgDjvuRenderer, $wgDjvuPostProcessor, $wgDjvuTxt;
// Fetch XML and check it, to give a more informative error message than the one which
// normaliseParams will inevitably give.
return new MediaTransformError( 'thumbnail_error', $width, $height, wfMsg( 'thumbnail_dest_directory' ) );
}
- # Use a subshell (brackets) to aggregate stderr from both pipeline commands
- # before redirecting it to the overall stdout. This works in both Linux and Windows XP.
- $cmd = '(' . wfEscapeShellArg( $wgDjvuRenderer ) . " -format=ppm -page={$page} -size={$width}x{$height} " .
- wfEscapeShellArg( $srcPath );
- if ( $wgDjvuPostProcessor ) {
- $cmd .= " | {$wgDjvuPostProcessor}";
+ if( $params['djvutxt'] && $wgDjvuTxt ) {
+ # Extract djvu text
+ $cmd = wfEscapeShellArg( $wgDjvuTxt ) . " --page={$page} " . wfEscapeShellArg( $srcPath ) ;
+ wfProfileIn( 'djvutxt' );
+ wfDebug( __METHOD__.": $cmd\n" );
+ $err = wfShellExec( $cmd, $retval );
+ wfProfileOut( 'djvutxt' );
+ # Escape html characters
+ $txt = htmlspecialchars( $err );
+ # Write result to file
+ if($retval == 0) {
+ $f = fopen($dstPath, 'w');
+ fwrite($f, $txt);
+ fclose($f);
+ }
+ }
+ else {
+ # Use a subshell (brackets) to aggregate stderr from both pipeline commands
+ # before redirecting it to the overall stdout. This works in both Linux and Windows XP.
+ $cmd = '(' . wfEscapeShellArg( $wgDjvuRenderer ) . " -format=ppm -page={$page} -size={$width}x{$height} " .
+ wfEscapeShellArg( $srcPath );
+ if ( $wgDjvuPostProcessor ) {
+ $cmd .= " | {$wgDjvuPostProcessor}";
+ }
+ $cmd .= ' > ' . wfEscapeShellArg($dstPath) . ') 2>&1';
+ wfProfileIn( 'ddjvu' );
+ wfDebug( __METHOD__.": $cmd\n" );
+ $err = wfShellExec( $cmd, $retval );
+ wfProfileOut( 'ddjvu' );
}
- $cmd .= ' > ' . wfEscapeShellArg($dstPath) . ') 2>&1';
- wfProfileIn( 'ddjvu' );
- wfDebug( __METHOD__.": $cmd\n" );
- $err = wfShellExec( $cmd, $retval );
- wfProfileOut( 'ddjvu' );
$removed = $this->removeBadFile( $dstPath, $retval );
if ( $retval != 0 || $removed ) {