Bawolff, Daniel or anyone else out there:
Is there interest in helping create a 'ZoomableImages' extension?
I am have some working code (below)... it would need a security audit
and bit more polish.
I started a page for the extension on MediaWiki --
https://www.mediawiki.org/wiki/Extension:ZoomableImages
Previously reported stuff on Phabricator... but I think the account is locked.
Reading about uploading...
Michael
ZoomableImages.php
----------------------------------------------------------------
<?php
/**
* @extension ZoomableImages
* @author Michael Bonert (AKA: Nephron)
* @copyright © 2016 Michael Bonert
* @licence GNU General Public Licence Version 2.0+
* @description allow use of deep zoom images (DZI) via OpenSeadragon
*/
// Extension credits that will show up on Special:Version
$wgExtensionCredits['tag'][] = array(
'name' => "ZoomableImages",
'author' => "Michael Bonert",
'description' => "Extension to allow use of zoomable images
using the OpenSeadragon viewer",
'version' => "0.1",
'license-name' => "GPL-2.0+",
);
$wgAutoloadClasses['ZoomableImages'] = $IP .
'/extensions/ZoomableImages/ZoomableImages_body.php';
$wgHooks['ParserFirstCallInit'][] = 'ZoomableImages::onParserInit';
?>
----------------------------------------------------------------
ZoomableImages_body.php
----------------------------------------------------------------
<?php
class ZoomableImages {
static function onParserInit( Parser $parser ) {
$parser->setHook( 'zoomableimage', array( __CLASS__,
'zoomableimageRender' ) );
return true;
}
static function zoomableimageRender( $input, array $args, Parser
$parser, PPFrame $frame ) {
$attr = array();
// make a list of attributes and their values and dump them along
with the user input
// initialize 'width' and 'height'
$zimage_width = -1;
$zimage_height = -1;
foreach( $args as $name => $value ) {
$attr[] = '<strong>' . htmlspecialchars( $name ) . '</strong> = '
. htmlspecialchars( $value );
// get 'width', 'height' and 'name'
if ( $name == 'name') {
$zimage_name= $value;
}
if ( $name == 'width' ) {
$zimage_width = $value;
}
if ( $name == 'height' ) {
$zimage_height = $value;
}
}
// if 'width' and 'height' not defined set default values
if ( $zimage_width == -1 ) {
$zimage_width=400;
}
if ( $zimage_height == -1 ) {
$zimage_width=300;
}
$ret = '<table>';
$ret .= '<tr>';
$ret .= '<!-- OpenSeadragon zoomable image -->';
$ret .= '<div id="openseadragon1" style="width: ' . $zimage_width .
'px; height:' . $zimage_height . 'px;"></div>';
$ret .= '<script
src="../extensions/ZoomableImages/openseadragon/openseadragon.min.js"></script>';
$ret .= '<script type="text/javascript"> var viewer =
OpenSeadragon({ id: "openseadragon1", prefixUrl:
"../extensions/ZoomableImages/openseadragon/images/", tileSources:
"../images/zimages/' . $zimage_name . '" });</script>';
$ret .= '</tr>';
$ret .= '</table>';
return $ret;
}
}
----------------------------------------------------------------
extension.json
----------------------------------------------------------------
{
"name": "ZoomableImages",
"author": [
"Michael Bonert"
],
"license-name": "GPL-2.0+",
"url": "https://www.mediawiki.org/wiki/Extension:ZoomableImages";,
"descriptionmsg": "zoomableimages-desc",
"type": "parserhook",
"MessagesDirs": {
"ZoomableImages": [
]
},
"Hooks": {
"ParserFirstCallInit": [
"ZoomableImages::init"
]
},
"manifest_version": 1
}
----------------------------------------------------------------
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