<?php
/**
+ * Handler for DjVu images
+ *
* @file
* @ingroup Media
*/
/**
+ * Handler for DjVu images
+ *
* @ingroup Media
*/
class DjVuHandler extends ImageHandler {
}
}
- function mustRender() { return true; }
- function isMultiPage() { return true; }
+ function mustRender( $file ) { return true; }
+ function isMultiPage( $file ) { return true; }
function getParamMap() {
return array(
$cmd .= ' > ' . wfEscapeShellArg($dstPath) . ') 2>&1';
wfProfileIn( 'ddjvu' );
wfDebug( __METHOD__.": $cmd\n" );
+ $retval = '';
$err = wfShellExec( $cmd, $retval );
wfProfileOut( 'ddjvu' );
/**
* Cache a document tree for the DjVu XML metadata
*/
- function getMetaTree( $image ) {
+ function getMetaTree( $image , $gettext = false ) {
if ( isset( $image->dejaMetaTree ) ) {
return $image->dejaMetaTree;
}
wfSuppressWarnings();
try {
- $image->dejaMetaTree = new SimpleXMLElement( $metadata );
- } catch( Exception $e ) {
- wfDebug( "Bogus multipage XML metadata on '$image->name'\n" );
// Set to false rather than null to avoid further attempts
$image->dejaMetaTree = false;
+ $image->djvuTextTree = false;
+ $tree = new SimpleXMLElement( $metadata );
+ if( $tree->getName() == 'mw-djvu' ) {
+ foreach($tree->children() as $b){
+ if( $b->getName() == 'DjVuTxt' ) {
+ $image->djvuTextTree = $b;
+ }
+ else if ( $b->getName() == 'DjVuXML' ) {
+ $image->dejaMetaTree = $b;
+ }
+ }
+ } else {
+ $image->dejaMetaTree = $tree;
+ }
+ } catch( Exception $e ) {
+ wfDebug( "Bogus multipage XML metadata on '$image->name'\n" );
}
wfRestoreWarnings();
wfProfileOut( __METHOD__ );
- return $image->dejaMetaTree;
+ if( $gettext ) {
+ return $image->djvuTextTree;
+ } else {
+ return $image->dejaMetaTree;
+ }
}
function getImageSize( $image, $path ) {
return $this->getDjVuImage( $image, $path )->getImageSize();
}
- function getThumbType( $ext, $mime ) {
+ function getThumbType( $ext, $mime, $params = null ) {
global $wgDjvuOutputExtension;
static $mime;
if ( !isset( $mime ) ) {
return false;
}
}
+
+ function getPageText( $image, $page ){
+ $tree = $this->getMetaTree( $image, true );
+ if ( !$tree ) {
+ return false;
+ }
+
+ $o = $tree->BODY[0]->PAGE[$page-1];
+ if ( $o ) {
+ $txt = $o['value'];
+ return $txt;
+ } else {
+ return false;
+ }
+
+ }
+
}