119 lines
2.7 KiB
PHP
Executable File
119 lines
2.7 KiB
PHP
Executable File
<?php
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/*
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Plugin Name: Thumbnails
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Plugin URI: http://www.nowhereland.it/
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Description: Thumbnail plugin. Part of the standard distribution ;) If this is loaded scale parameter of images will create a scaled version of your img
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Author: NoWhereMan real_nowhereman at user dot sf dot net
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Version: 1.0
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Author URI: http://www.nowhereland.it/
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*/
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define('THUMB_DIR', '.thumbs');
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if (!function_exists('imagegd2'))
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{ define('PLUGIN_THUMB_ENABLED', false); }
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else { define('PLUGIN_THUMB_ENABLED', true); }
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function plugin_thumb_setup() {
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return PLUGIN_THUMB_ENABLED? 1 : -1;
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}
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/**
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*
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* plugin_thumb_create
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*
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* creates a thumbnail and caches the thumbnail in IMAGES_DIR/.thumb
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*
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* @param string $fpath string with filepath
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* @param array $infos infos from getimagesize($fpath) function
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* @param int $new_width
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* @param int $new_height
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*
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* @return array array(string $thumbpath, int $thumbwidth, int $thumbheight)
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*
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*/
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function plugin_thumb_create($fpath, $infos, $new_width, $new_height) {
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if (!defined('PLUGIN_THUMB_ENABLED')) {
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return array();
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}
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if (!file_exists($fpath)) {
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return array();
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}
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if (!($new_width && $new_height)) {
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trigger_error("Size can't be 0 but got width=$new_width height=$new_height\n", E_USER_WARNING);
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return;
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}
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$thumbname = basename($fpath);
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$thumbdir = dirname($fpath) . '/' . THUMB_DIR ;
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@fs_mkdir($thumbdir);
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$thumbpath = $thumbdir .'/'. $thumbname;
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/*
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$new_width = (int)($infos[0] * $scalefact);
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$new_height = (int)($infos[1] * $scalefact);
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*/
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if (file_exists($thumbpath)) {
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$oldthumbinfo = getimagesize($thumbpath);
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if ($new_width==$oldthumbinfo[0]) {
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// already scaled
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return array($thumbpath, $new_width, $new_height);
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}
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}
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// we support only jpeg's, png's and gif's
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switch($infos[2]) {
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case 1: $image = imagecreatefromgif($fpath); break;
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case 2: $image = imagecreatefromjpeg ($fpath); break;
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case 3: $image = imagecreatefrompng($fpath);
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}
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//$image = imagecreatefromgd2 ($fpath);
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// create empty scaled and copy(resized) the picture
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$scaled = imagecreatetruecolor($new_width, $new_height);
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imagecopyresampled($scaled, $image, 0, 0, 0, 0, $new_width, $new_height, $infos[0], $infos[1]);
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imagejpeg($scaled, $thumbpath);
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@chmod($thumbpath, 0777);
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return array($thumbpath, $new_width, $new_height);
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}
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function plugin_thumb_bbcodehook($actualpath, $props, $newsize){
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list($width, $height) = $newsize;
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if ($thumb = plugin_thumb_create($actualpath, $props, $width, $height))
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$thumb = BBCODE_USE_WRAPPER?
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("getfile.php?f=" . basename($actualpath) .'&thumb=true') : $thumb[0];
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return $thumb;
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}
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add_filter('bbcode_img_scale', 'plugin_thumb_bbcodehook', 0, 3);
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?>
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