function efABCRender($input, $args, $parser)
{
global $abcPath, $abcURL, $abc2midi, $abctimidity, $abcOggHandler, $abcDelayedRendering, $wgLang;
if ($abcPath == false || $abcURL == false) {
return 'Error: $abcPath and $abcURL must be set to use the ABC extension.';
}
/**
* To avoid re-rendering the same tunes on every view,
* use the hash of the ABC content for the filename.
* This has the added benefit that rendering the same tune
* on different pages will only cause one rendering.
*/
$float = "left";
if (isset($args['float']) && $args['float'] == 'right') {
$float = "right";
}
$abc = preg_replace("/^\n+/", "", $input);
$hash = sha1($input);
$error = "";
$hashbits = array(substr($hash, 0, 2), substr($hash, 2, 2), substr($hash, 4, 2));
$directory = "{$hashbits[0]}/{$hashbits[1]}/{$hashbits[2]}";
$filename = "{$abcPath}/{$directory}/{$hash}";
if (!@file_exists("{$abcPath}/{$directory}")) {
if (!@mkdir("{$abcPath}/{$directory}", 0777, true)) {
return "Cannot create directory \"{$abcPath}/{$directory}\".";
}
}
/**
* Try to extract the title from the ABC. This is used as the
* alt text for the image.
*/
$title = "Unknown song";
if (preg_match("/^T:\\s*(.*)\$/m", $input, $matches)) {
$title = $matches[1];
}
if (!abcCreateABC($abc, $filename, $error)) {
return str_replace("\n", "<br />", htmlspecialchars($error));
}
if (!$abcDelayedRendering) {
if (!abcCreatePS($abc, $filename, $error)) {
return str_replace("\n", "<br />", htmlspecialchars($error));
}
if (!abcCreatePNG($abc, $filename, $error)) {
return str_replace("\n", "<br />", htmlspecialchars($error));
}
if (!abcCreatePDF($abc, $filename, $error)) {
return str_replace("\n", "<br />", htmlspecialchars($error));
}
if ($abc2midi) {
if (!abcCreateMIDI($abc, $filename, $error)) {
return str_replace("\n", "<br />", htmlspecialchars($error));
}
}
if ($abc2midi && $abctimidity) {
if (!abcCreateVorbis($abc, $filename, $error)) {
return str_replace("\n", "<br />", htmlspecialchars($error));
}
}
}
/**
* Succeeded to create all the output formats, return the
* output. We produce an image from the PNG, and include
* links to the ABC and PS.
*/
$e_title = htmlspecialchars($title);
$e_imgpath = htmlspecialchars("{$abcURL}/{$directory}/{$hash}.png");
$e_abcpath = htmlspecialchars("{$abcURL}/{$directory}/{$hash}.abc");
$e_pspath = htmlspecialchars("{$abcURL}/{$directory}/{$hash}.ps");
$e_pdfpath = htmlspecialchars("{$abcURL}/{$directory}/{$hash}.pdf");
$e_midipath = htmlspecialchars("{$abcURL}/{$directory}/{$hash}.mid");
$e_vorbispath = htmlspecialchars("{$abcURL}/{$directory}/{$hash}.ogg");
$links = array();
$links[] = "<a href=\"{$e_abcpath}\">" . wfMsg('abcabc') . "</a>";
$links[] = "<a href=\"{$e_pspath}\">" . wfMsg('abcps') . "</a>";
$links[] = "<a href=\"{$e_pdfpath}\">" . wfMsg('abcpdf') . "</a>";
if ($abc2midi) {
$links[] = "<a href=\"{$e_midipath}\">" . wfMsg('abcmidi') . "</a>";
}
if ($abctimidity) {
$links[] = "<a href=\"{$e_vorbispath}\">" . wfMsg('abcvorbis') . "</a>";
}
$e_dllinks = wfMsg('abcdownload') . " " . $wgLang->pipeList($links);
$ogghtml = "";
if ($abcOggHandler) {
$oh = new OggTransformOutput(null, "{$filename}.ogg", false, 250, 0, 0, false, "{$filename}.ogg", false);
$ogghtml = $oh->toHtml(array('alt' => $title));
}
$output = <<<EOF
<div style="float: {$float}; border: solid 1px #aaaaaa; margin: 0.2em;" class="abc-music">
\t<img src="{$e_imgpath}" alt="{$e_title}" />
\t<div style="text-align: center">
\t\t{$e_dllinks}
\t</div>
\t<div style='margin-left: auto; margin-right: auto;'>
\t\t{$ogghtml}
\t</div>
</div>
EOF;
return $output;
}
function __construct($file, $videoUrl, $width, $height, $length, $path, $noIcon = false)
{
parent::__construct($file, $videoUrl, false, $width, $height, $length, false, $path, $noIcon);
}
