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
119 lines
3.8 KiB
PHP
119 lines
3.8 KiB
PHP
<?php
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/**
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* Name: Handle Pixel
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* Author: Shish <webmaster@shishnet.org>
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* Link: http://code.shishnet.org/shimmie2/
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* Description: Handle JPEG, PNG, GIF, WEBP, etc files
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*/
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class PixelFileHandler extends DataHandlerExtension
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{
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protected function supported_ext(string $ext): bool
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{
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$exts = ["jpg", "jpeg", "gif", "png", "webp"];
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$ext = (($pos = strpos($ext, '?')) !== false) ? substr($ext, 0, $pos) : $ext;
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return in_array(strtolower($ext), $exts);
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}
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protected function create_image_from_data(string $filename, array $metadata)
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{
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$image = new Image();
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$info = getimagesize($filename);
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if (!$info) {
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return null;
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}
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$image->width = $info[0];
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$image->height = $info[1];
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$image->filesize = $metadata['size'];
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$image->hash = $metadata['hash'];
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$image->filename = (($pos = strpos($metadata['filename'], '?')) !== false) ? substr($metadata['filename'], 0, $pos) : $metadata['filename'];
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$image->ext = (($pos = strpos($metadata['extension'], '?')) !== false) ? substr($metadata['extension'], 0, $pos) : $metadata['extension'];
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$image->tag_array = is_array($metadata['tags']) ? $metadata['tags'] : Tag::explode($metadata['tags']);
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$image->source = $metadata['source'];
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return $image;
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}
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protected function check_contents(string $tmpname): bool
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{
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$valid = [IMAGETYPE_PNG, IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_WEBP];
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if (!file_exists($tmpname)) {
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return false;
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}
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$info = getimagesize($tmpname);
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if (is_null($info)) {
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return false;
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}
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if (in_array($info[2], $valid)) {
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return true;
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}
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return false;
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}
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protected function create_thumb(string $hash): bool
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{
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global $config;
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$inname = warehouse_path("images", $hash);
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$outname = warehouse_path("thumbs", $hash);
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$ok = false;
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switch ($config->get_string("thumb_engine")) {
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default:
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case 'gd':
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$ok = $this->make_thumb_gd($inname, $outname);
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break;
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case 'convert':
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$ok = create_thumbnail_convert($hash);
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break;
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}
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return $ok;
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}
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public function onImageAdminBlockBuilding(ImageAdminBlockBuildingEvent $event)
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{
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$event->add_part("
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<form>
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<select class='shm-zoomer'>
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<option value='full'>Full Size</option>
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<option value='width'>Fit Width</option>
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<option value='height'>Fit Height</option>
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<option value='both'>Fit Both</option>
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</select>
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</form>
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", 20);
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}
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// GD thumber {{{
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private function make_thumb_gd(string $inname, string $outname): bool
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{
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global $config;
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try {
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$info = getimagesize($inname);
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$tsize = get_thumbnail_size_scaled($info[0], $info[1]);
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$image = image_resize_gd($inname, $info, $tsize[0], $tsize[1],
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$outname, $config->get_string('thumb_type'),$config->get_int('thumb_quality'));
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} catch(InsufficientMemoryException $e) {
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$tsize = get_thumbnail_max_size_scaled();
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$thumb = imagecreatetruecolor($tsize[0], min($tsize[1], 64));
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$white = imagecolorallocate($thumb, 255, 255, 255);
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$black = imagecolorallocate($thumb, 0, 0, 0);
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imagefill($thumb, 0, 0, $white);
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log_warning("handle_pixel","Insufficient memory while creating thumbnail: ".$e->getMessage());
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imagestring($thumb, 5, 10, 24, "Image Too Large :(", $black);
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return true;
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} catch(Exception $e) {
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log_error("handle_pixel","Error while creating thumbnail: ".$e->getMessage());
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return false;
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}
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return true;
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}
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// }}}
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}
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