124 lines
4.5 KiB
PHP
124 lines
4.5 KiB
PHP
<?php
|
|
namespace MediaWiki\Extension\AnatImageViewer;
|
|
|
|
require_once __DIR__ . '/../vendor/autoload.php';
|
|
|
|
use Devium\Toml\Toml;
|
|
use MediaWiki\MediaWikiServices;
|
|
use MediaTransformOutput;
|
|
use ConfigFactory;
|
|
use RequestContext;
|
|
use Html;
|
|
|
|
class AnatImageTransformOutput extends MediaTransformOutput {
|
|
/**
|
|
* Main Constructor
|
|
*
|
|
* @access public
|
|
* @param File $file
|
|
* @param array $parameters Parameters for constructing HTML.
|
|
* @return void
|
|
*/
|
|
public function __construct($file, $parameters) {
|
|
$this->file = $file;
|
|
$this->parameters = $parameters;
|
|
}
|
|
|
|
/**
|
|
* Fetch HTML for this transform output
|
|
*
|
|
* @access public
|
|
* @param array $options Associative array of options. Boolean options
|
|
* should be indicated with a value of true for true, and false or
|
|
* absent for false.
|
|
* alt Alternate text or caption
|
|
* desc-link Boolean, show a description link
|
|
* file-link Boolean, show a file download link
|
|
* custom-url-link Custom URL to link to
|
|
* custom-title-link Custom Title object to link to
|
|
* valign vertical-align property, if the output is an inline element
|
|
* img-class Class applied to the "<img>" tag, if there is such a tag
|
|
* preview Boolean, render is being called from a preview page
|
|
*
|
|
* @return string HTML
|
|
*/
|
|
public function toHtml($options = []) {
|
|
$descriptText = $this->file->getDescriptionText();
|
|
preg_match('/<pre anconfig.*?>([\S\s]*?)<\/pre>/',$descriptText,$annotDescript);
|
|
$metadata = toml_decode($annotDescript[1], true);
|
|
|
|
if (isset($metadata['baseImage'])) {
|
|
$baseImage = MediaWikiServices::getInstance()->getRepoGroup()->findFile(`File:` . $metadata['baseImage']);
|
|
} else {
|
|
$baseImage = false;
|
|
}
|
|
|
|
return self::buildSvg($metadata,$baseImage);
|
|
}
|
|
|
|
/**
|
|
* Build annotated SVG from TOML metadata
|
|
*
|
|
* This takes in the metadata text from the file page (or the current editor)
|
|
* and produces the html string for the svg with base image and annotations.
|
|
*
|
|
* @param string $metadata The metadata object parsed from the text
|
|
* @param string $baseImageUrl The full url pointing to the base image to annotate
|
|
* @param array $frameParams The additional user defined parameters for the viewer such as hotspot and view classes
|
|
* @return string Html string of the complete model-viewer element inside a div container
|
|
*/
|
|
private function buildSvg($metadata, $baseImage) {
|
|
//Gather basic data
|
|
$elBaseImg = '';
|
|
$vbHeight = 100;
|
|
$vbWidth = 100;
|
|
if ($baseImage) {
|
|
$baseImageUrl = $baseImage->getFullUrl();
|
|
$baseHeight = $baseImage->getHeight();
|
|
$baseWidth = $baseImage->getWidth();
|
|
$baseAspect = $baseHeight / $baseWidth;
|
|
$vbWidth = 100 / sqrt($baseAspect);
|
|
$vbHeight = $baseAspect * $vbWidth;
|
|
$attrBase = array(
|
|
'class' => 'annot-base',
|
|
'preserveAspectRatio' => 'none',
|
|
'width' => $vbWidth,
|
|
'height' => $vbHeight,
|
|
'href' => $baseImageUrl
|
|
);
|
|
$elBaseImg = Html::rawElement('image', $attrBase);
|
|
}
|
|
$mainConfig = ConfigFactory::getDefaultInstance()->makeConfig( 'main' );
|
|
$context = RequestContext::getMain();
|
|
|
|
//Render and return svg
|
|
$attrSvg = array(
|
|
'class' => 'annot-svg',
|
|
'version' => '1.1',
|
|
'viewBox' => "0 0 {$vbWidth} {$vbHeight}",
|
|
'xml:space' => 'preserve',
|
|
'xmlns' => 'http://www.w3.org/2000/svg'
|
|
);
|
|
|
|
return Html::rawElement('svg', $attrSvg, $elBaseImg);
|
|
}
|
|
|
|
/**
|
|
* Small helper function to display information on the browser console
|
|
*
|
|
* Usage:
|
|
* echo '<script>';
|
|
* self::console_log('logged string');
|
|
* echo '</script>';
|
|
*
|
|
* @param $data information to display
|
|
* @param bool $add_script_tags true to put information is inside complete script tag
|
|
*/
|
|
public static function console_log($data, $add_script_tags = false) {
|
|
$command = 'console.log('. json_encode($data, JSON_HEX_TAG).');';
|
|
if ($add_script_tags) {
|
|
$command = '<script>'. $command . '</script>';
|
|
}
|
|
echo $command;
|
|
}
|
|
} |