eb4292316d
Bug fixes and consolidation of various thumbnail and resize functionality Changed resize/rotate extensions to use replace image event Added content-disposition header to image responses to provide a human-friendly filename when saving Added more bulk thumbnail regeneration tools Tweaks to bulk actions to correct totals when batching items
100 lines
3.2 KiB
PHP
100 lines
3.2 KiB
PHP
<?php
|
|
/*
|
|
* Name: Handle ICO
|
|
* Author: Shish <webmaster@shishnet.org>
|
|
* Description: Handle windows icons
|
|
*/
|
|
|
|
class IcoFileHandler extends Extension
|
|
{
|
|
public function onDataUpload(DataUploadEvent $event)
|
|
{
|
|
if ($this->supported_ext($event->type) && $this->check_contents($event->tmpname)) {
|
|
$hash = $event->hash;
|
|
$ha = substr($hash, 0, 2);
|
|
move_upload_to_archive($event);
|
|
send_event(new ThumbnailGenerationEvent($event->hash, $event->type));
|
|
$image = $this->create_image_from_data("images/$ha/$hash", $event->metadata);
|
|
if (is_null($image)) {
|
|
throw new UploadException("Icon handler failed to create image object from data");
|
|
}
|
|
$iae = new ImageAdditionEvent($image);
|
|
send_event($iae);
|
|
$event->image_id = $iae->image->id;
|
|
}
|
|
}
|
|
|
|
public function onDisplayingImage(DisplayingImageEvent $event)
|
|
{
|
|
global $page;
|
|
if ($this->supported_ext($event->image->ext)) {
|
|
$this->theme->display_image($page, $event->image);
|
|
}
|
|
}
|
|
|
|
private function supported_ext(string $ext): bool
|
|
{
|
|
$exts = ["ico", "ani", "cur"];
|
|
return in_array(strtolower($ext), $exts);
|
|
}
|
|
|
|
private function create_image_from_data(string $filename, array $metadata)
|
|
{
|
|
$image = new Image();
|
|
|
|
$fp = fopen($filename, "r");
|
|
$header = unpack("Snull/Stype/Scount", fread($fp, 6));
|
|
|
|
$subheader = unpack("Cwidth/Cheight/Ccolours/Cnull/Splanes/Sbpp/Lsize/loffset", fread($fp, 16));
|
|
fclose($fp);
|
|
|
|
$width = $subheader['width'];
|
|
$height = $subheader['height'];
|
|
$image->width = $width == 0 ? 256 : $width;
|
|
$image->height = $height == 0 ? 256 : $height;
|
|
|
|
$image->filesize = $metadata['size'];
|
|
$image->hash = $metadata['hash'];
|
|
$image->filename = $metadata['filename'];
|
|
$image->ext = $metadata['extension'];
|
|
$image->tag_array = is_array($metadata['tags']) ? $metadata['tags'] : Tag::explode($metadata['tags']);
|
|
$image->source = $metadata['source'];
|
|
|
|
return $image;
|
|
}
|
|
|
|
private function check_contents(string $file): bool
|
|
{
|
|
if (!file_exists($file)) {
|
|
return false;
|
|
}
|
|
$fp = fopen($file, "r");
|
|
$header = unpack("Snull/Stype/Scount", fread($fp, 6));
|
|
fclose($fp);
|
|
return ($header['null'] == 0 && ($header['type'] == 0 || $header['type'] == 1));
|
|
}
|
|
|
|
private function create_thumb(string $hash): bool
|
|
{
|
|
global $config;
|
|
|
|
$inname = warehouse_path("images", $hash);
|
|
$outname = warehouse_path("thumbs", $hash);
|
|
|
|
$tsize = get_thumbnail_size_scaled($width, $height);
|
|
$w = $tsize[0];
|
|
$h = $tsise[1];
|
|
|
|
$q = $config->get_int("thumb_quality");
|
|
$mem = $config->get_int("thumb_mem_limit") / 1024 / 1024; // IM takes memory in MB
|
|
|
|
if ($config->get_bool("ico_convert")) {
|
|
// "-limit memory $mem" broken?
|
|
exec("convert {$inname}[0] -geometry {$w}x{$h} -quality {$q} jpg:$outname");
|
|
} else {
|
|
copy($inname, $outname);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|