mirror of
https://github.com/vichan-devel/vichan.git
synced 2024-11-24 07:30:10 +01:00
639 lines
22 KiB
PHP
639 lines
22 KiB
PHP
<?php
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function sprintf3($str, $vars, $delim = '%') {
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$replaces = array();
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foreach($vars as $k => $v) {
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$replaces[$delim . $k . $delim] = $v;
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}
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return str_replace(array_keys($replaces),
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array_values($replaces), $str);
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}
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function setupBoard($array) {
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global $board;
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$board = Array(
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'id' => $array['id'],
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'uri' => $array['uri'],
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'name' => $array['title'],
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'title' => $array['subtitle']);
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$board['dir'] = sprintf(BOARD_PATH, $board['uri']);
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$board['url'] = sprintf(BOARD_ABBREVIATION, $board['uri']);
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if(!file_exists($board['dir'])) mkdir($board['dir'], 0777);
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if(!file_exists($board['dir'] . DIR_IMG)) @mkdir($board['dir'] . DIR_IMG, 0777) or error("Couldn't create " . DIR_IMG . ". Check permissions.", true);
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if(!file_exists($board['dir'] . DIR_THUMB)) @mkdir($board['dir'] . DIR_THUMB, 0777) or error("Couldn't create " . DIR_THUMB . ". Check permissions.", true);
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if(!file_exists($board['dir'] . DIR_RES)) @mkdir($board['dir'] . DIR_RES, 0777) or error("Couldn't create " . DIR_RES . ". Check permissions.", true);
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}
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function openBoard($uri) {
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global $sql;
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sql_open();
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$query = prepare("SELECT * FROM `boards` WHERE `uri` = :uri LIMIT 1");
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$query->bindValue(':uri', $uri);
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$query->execute() or error(db_error($query));
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if($board = $query->fetch()) {
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setupBoard($board);
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return true;
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} else return false;
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}
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function listBoards() {
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$query = query("SELECT * FROM `boards`") or error(db_error());
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$boards = $query->fetchAll();
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return $boards;
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}
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function threadExists($id) {
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global $board;
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$query = prepare(sprintf("SELECT 1 FROM `posts_%s` WHERE `id` = :id AND `thread` IS NULL LIMIT 1", $board['uri']));
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$query->bindValue(':id', $id, PDO::PARAM_INT);
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$query->execute() or error(db_error());
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if($query->rowCount()) {
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return true;
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} else return false;
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}
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function post($post, $OP) {
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global $pdo, $board;
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$query = prepare(sprintf("INSERT INTO `posts_%s` VALUES ( NULL, :thread, :subject, :email, :name, :trip, :body, :time, :time, :thumb, :thumbwidth, :thumbheight, :file, :width, :height, :filesize, :filename, :filehash, :password, :ip, :sticky)", $board['uri']));
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// Basic stuff
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$query->bindValue(':subject', $post['subject']);
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$query->bindValue(':email', $post['email']);
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$query->bindValue(':name', $post['name']);
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$query->bindValue(':trip', $post['trip']);
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$query->bindValue(':body', $post['body']);
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$query->bindValue(':time', time(), PDO::PARAM_INT);
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$query->bindValue(':password', $post['password']);
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$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
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$query->bindValue(':sticky', 0, PDO::PARAM_INT);
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if($OP) {
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// No parent thread, image
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$query->bindValue(':thread', null, PDO::PARAM_NULL);
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} else {
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$query->bindValue(':thread', $post['thread'], PDO::PARAM_INT);
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}
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if($post['has_file']) {
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$query->bindValue(':thumb', $post['thumb']);
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$query->bindValue(':thumbwidth', $post['thumbwidth'], PDO::PARAM_INT);
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$query->bindValue(':thumbheight', $post['thumbheight'], PDO::PARAM_INT);
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$query->bindValue(':file', $post['file']);
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$query->bindValue(':width', $post['width'], PDO::PARAM_INT);
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$query->bindValue(':height', $post['height'], PDO::PARAM_INT);
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$query->bindValue(':filesize', $post['filesize'], PDO::PARAM_INT);
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$query->bindValue(':filename', $post['filename']);
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$query->bindValue(':filehash', $post['filesize']);
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} else {
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$query->bindValue(':thumb', null, PDO::PARAM_NULL);
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$query->bindValue(':thumbwidth', null, PDO::PARAM_NULL);
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$query->bindValue(':thumbheight', null, PDO::PARAM_NULL);
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$query->bindValue(':file', null, PDO::PARAM_NULL);
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$query->bindValue(':width', null, PDO::PARAM_NULL);
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$query->bindValue(':height', null, PDO::PARAM_NULL);
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$query->bindValue(':filesize', null, PDO::PARAM_NULL);
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$query->bindValue(':filename', null, PDO::PARAM_NULL);
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$query->bindValue(':filehash', null, PDO::PARAM_NULL);
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}
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$query->execute() or error(db_error($query));
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return $pdo->lastInsertId();
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}
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function bumpThread($id) {
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global $board;
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$query = prepare(sprintf("UPDATE `posts_%s` SET `bump` = :time WHERE `id` = :id AND `thread` IS NULL", $board['uri']));
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$query->bindValue(':time', time(), PDO::PARAM_INT);
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$query->bindValue(':id', $id, PDO::PARAM_INT);
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$query->execute() or error(db_error($query));
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}
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function index($page, $mod=false) {
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global $sql, $board;
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$body = '';
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$offset = round($page*THREADS_PER_PAGE-THREADS_PER_PAGE);
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sql_open();
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$query = prepare(sprintf("SELECT * FROM `posts_%s` WHERE `thread` IS NULL ORDER BY `sticky` DESC, `bump` DESC LIMIT ?,?", $board['uri']));
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$query->bindValue(1, $offset, PDO::PARAM_INT);
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$query->bindValue(2, THREADS_PER_PAGE, PDO::PARAM_INT);
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$query->execute() or error(db_error($query));
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if($query->rowcount() < 1 && $page > 1) return false;
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while($th = $query->fetch()) {
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$thread = new Thread($th['id'], $th['subject'], $th['email'], $th['name'], $th['trip'], $th['body'], $th['time'], $th['thumb'], $th['thumbwidth'], $th['thumbheight'], $th['file'], $th['filewidth'], $th['fileheight'], $th['filesize'], $th['filename'], $th['ip'], $th['sticky'], $mod ? '?/' : ROOT);
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$posts = prepare(sprintf("SELECT `id`, `subject`, `email`, `name`, `trip`, `body`, `time`, `thumb`, `thumbwidth`, `thumbheight`, `file`, `filewidth`, `fileheight`, `filesize`, `filename`,`ip` FROM `posts_%s` WHERE `thread` = ? ORDER BY `time` DESC LIMIT ?", $board['uri']));
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$posts->bindValue(1, $th['id']);
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$posts->bindValue(2, THREADS_PREVIEW, PDO::PARAM_INT);
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$posts->execute() or error(db_error($posts));
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if($posts->rowCount() == THREADS_PREVIEW) {
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$count = prepare(sprintf("SELECT COUNT(`id`) as `num` FROM `posts_%s` WHERE `thread` = ?", $board['uri']));
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$count->bindValue(1, $th['id']);
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$count->execute() or error(db_error($count));
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$count = $count->fetch();
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$omitted = $count['num'] - THREADS_PREVIEW;
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$thread->omitted = $omitted;
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unset($count);
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unset($omitted);
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}
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while($po = $posts->fetch()) {
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$thread->add(new Post($po['id'], $th['id'], $po['subject'], $po['email'], $po['name'], $po['trip'], $po['body'], $po['time'], $po['thumb'], $po['thumbwidth'], $po['thumbheight'], $po['file'], $po['filewidth'], $po['fileheight'], $po['filesize'], $po['filename'], $po['ip'], $mod ? '?/' : ROOT));
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}
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$thread->posts = array_reverse($thread->posts);
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$body .= $thread->build(true);
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}
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return Array('button'=>BUTTON_NEWTOPIC, 'board'=>$board, 'body'=>$body, 'post_url' => POST_URL, 'index' => ROOT);
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}
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function getPages($mod=false) {
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global $sql, $board;
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// Count threads
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$query = query(sprintf("SELECT COUNT(`id`) as `num` FROM `posts_%s` WHERE `thread` IS NULL", $board['uri'])) or error(db_error());
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$count = current($query->fetch());
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$count = floor((THREADS_PER_PAGE + $count - 1) / THREADS_PER_PAGE);
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$pages = Array();
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for($x=0;$x<$count && $x<MAX_PAGES;$x++) {
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$pages[] = Array('num' => $x+1, 'link' => $x==0 ? ($mod ? '?/' : ROOT) . $board['dir'] . FILE_INDEX : ($mod ? '?/' : ROOT) . $board['dir'] . sprintf(FILE_PAGE, $x+1));
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}
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return $pages;
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}
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function buildIndex() {
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global $sql, $board;
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sql_open();
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$pages = getPages();
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$page = 1;
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while($page <= MAX_PAGES && $content = index($page)) {
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$filename = $board['dir'] . ($page==1 ? FILE_INDEX : sprintf(FILE_PAGE, $page));
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if(file_exists($filename)) $md5 = md5_file($filename);
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$content['pages'] = $pages;
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@file_put_contents($filename, Element('index.html', $content)) or error("Couldn't write to file.");
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if(isset($md5) && $md5 == md5_file($filename)) {
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break;
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}
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$page++;
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}
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if($page < MAX_PAGES) {
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for(;$page<=MAX_PAGES;$page++) {
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$filename = $page==1 ? FILE_INDEX : sprintf(FILE_PAGE, $page);
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@unlink($filename);
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}
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}
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}
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function markup(&$body) {
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global $sql, $board;
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if(AUTO_UNICODE) {
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$body = str_replace('...', '…', $body);
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$body = str_replace('<--', '←', $body);
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// En and em- dashes are rendered exactly the same in
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// most monospace fonts (they look the same in code
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// editors).
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$body = str_replace('---', '—', $body); // em dash
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$body = str_replace('--', '–', $body); // en dash
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}
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$body = utf8tohtml($body, true);
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// Cites
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if(preg_match_all('/(^|\s)>>([0-9]+?)(\s|$)/', $body, $cites)) {
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$previousPosition = 0;
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$temp = '';
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sql_open();
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for($index=0;$index<count($cites[0]);$index++) {
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$cite = $cites[2][$index];
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$whitespace = Array(
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strlen($cites[1][$index]),
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strlen($cites[3][$index]),
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);
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$query = prepare(sprintf("SELECT `thread`,`id` FROM `posts_%s` WHERE `id` = :id LIMIT 1", $board['uri']));
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$query->bindValue(':id', $cite);
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$query->execute() or error(db_error($query));
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if($post = $query->fetch()) {
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$replacement = '<a onclick="highlightReply(\''.$cite.'\');" href="' . ROOT . $board['dir'] . DIR_RES . ($post['thread']?$post['thread']:$post['id']) . '.html#' . $cite . '">>>' . $cite . '</a>';
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} else {
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$replacement = ">>{$cite}";
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}
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// Find the position of the cite
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$position = strpos($body, $cites[0][$index]);
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// Replace the found string with "xxxx[...]". (allows duplicate tags). Keeps whitespace.
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$body = substr_replace($body, str_repeat('x', strlen($cites[0][$index]) - $whitespace[0] - $whitespace[1]), $position + $whitespace[0], strlen($cites[0][$index]) - $whitespace[0] - $whitespace[1]);
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$temp .= substr($body, $previousPosition, $position-$previousPosition) . $cites[1][$index] . $replacement . $cites[3][$index];
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$previousPosition = $position+strlen($cites[0][$index]);
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}
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// The rest
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$temp .= substr($body, $previousPosition);
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$body = $temp;
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}
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$body = str_replace("\r", '', $body);
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if(MARKUP_URLS)
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$body = preg_replace(URL_REGEX, "<a href=\"$0\">$0</a>", $body);
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$body = preg_replace("/(^|\n)([\s]+)?(>)([^\n]+)?($|\n)/m", '$1$2<span class="quote">$3$4</span>$5', $body);
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if(WIKI_MARKUP) {
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$body = preg_replace("/(^|\n)==(.+?)==\n?/m", "<h2>$2</h2>", $body);
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$body = preg_replace("/'''(.+?)'''/m", "<strong>$1</strong>", $body);
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$body = preg_replace("/''(.+?)''/m", "<em>$1</em>", $body);
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}
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$body = preg_replace("/\n/", '<br/>', $body);
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}
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function utf8tohtml($utf8, $encodeTags=true) {
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$result = '';
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for ($i = 0; $i < strlen($utf8); $i++) {
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$char = $utf8[$i];
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$ascii = ord($char);
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if ($ascii < 128) {
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// one-byte character
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$result .= ($encodeTags) ? htmlentities($char) : $char;
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} else if ($ascii < 192) {
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// non-utf8 character or not a start byte
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} else if ($ascii < 224) {
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// two-byte character
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$result .= htmlentities(substr($utf8, $i, 2), ENT_QUOTES, 'UTF-8');
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$i++;
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} else if ($ascii < 240) {
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// three-byte character
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$ascii1 = ord($utf8[$i+1]);
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$ascii2 = ord($utf8[$i+2]);
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$unicode = (15 & $ascii) * 4096 +
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(63 & $ascii1) * 64 +
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(63 & $ascii2);
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$result .= "&#$unicode;";
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$i += 2;
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} else if ($ascii < 248) {
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// four-byte character
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$ascii1 = ord($utf8[$i+1]);
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$ascii2 = ord($utf8[$i+2]);
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$ascii3 = ord($utf8[$i+3]);
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$unicode = (15 & $ascii) * 262144 +
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(63 & $ascii1) * 4096 +
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(63 & $ascii2) * 64 +
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(63 & $ascii3);
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$result .= "&#$unicode;";
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$i += 3;
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}
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}
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return $result;
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}
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function buildThread($id, $return=false, $mod=false) {
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global $board;
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$id = round($id);
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$query = prepare(sprintf("SELECT `id`,`thread`,`subject`,`name`,`email`,`trip`,`body`,`time`,`thumb`,`thumbwidth`,`thumbheight`,`file`,`filewidth`,`fileheight`,`filesize`,`filename`,`ip`,`sticky` FROM `posts_%s` WHERE (`thread` IS NULL AND `id` = :id) OR `thread` = :id ORDER BY `thread`,`time`", $board['uri']));
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$query->bindValue(':id', $id, PDO::PARAM_INT);
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$query->execute() or error(db_error($query));
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while($post = $query->fetch()) {
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if(!isset($thread)) {
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$thread = new Thread($post['id'], $post['subject'], $post['email'], $post['name'], $post['trip'], $post['body'], $post['time'], $post['thumb'], $post['thumbwidth'], $post['thumbheight'], $post['file'], $post['filewidth'], $post['fileheight'], $post['filesize'], $post['filename'], $post['ip'], $post['sticky'], $mod ? '?/' : ROOT);
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} else {
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$thread->add(new Post($post['id'], $thread->id, $post['subject'], $post['email'], $post['name'], $post['trip'], $post['body'], $post['time'], $post['thumb'], $post['thumbwidth'], $post['thumbheight'], $post['file'], $post['filewidth'], $post['fileheight'], $post['filesize'], $post['filename'], $post['ip'], $mod ? '?/' : ROOT));
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}
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}
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// Check if any posts were found
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if(!isset($thread)) error(ERROR_NONEXISTANT);
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$body = Element('thread.html', Array(
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'button'=>BUTTON_REPLY,
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'board'=>$board,
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'body'=>$thread->build(),
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'post_url' => POST_URL,
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'index' => ROOT,
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'id' => $id,
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'mod' => $mod,
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'return' => ($mod ? '?' . $board['url'] . FILE_INDEX : ROOT . $board['uri'] . '/' . FILE_INDEX)
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));
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if($return)
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return $body;
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else
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@file_put_contents($board['dir'] . DIR_RES . sprintf(FILE_PAGE, $id), $body) or error("Couldn't write to file.");
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}
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function generate_tripcode ( $name, $length = 10 ) {
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$name = stripslashes ( $name );
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$t = explode('#', $name);
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$nameo = $t[0];
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if ( isset ( $t[1] ) || isset ( $t[2] ) ) {
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$trip = ( ( strlen ( $t[1] ) > 0 ) ? $t[1] : $t[2] );
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if ( ( function_exists ( 'mb_convert_encoding' ) ) ) {
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# mb_substitute_character('none');
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$recoded_cap = mb_convert_encoding ( $trip, 'Shift_JIS', 'UTF-8' );
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}
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$trip = ( ( ! empty ( $recoded_cap ) ) ? $recoded_cap : $trip );
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$salt = substr ( $trip.'H.', 1, 2 );
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$salt = preg_replace ( '/[^\.-z]/', '.', $salt );
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$salt = strtr ( $salt, ':;<=>?@[\]^_`', 'ABCDEFGabcdef' );
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if ( isset ( $t[2] ) ) {
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// secure
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$trip = '!!' . substr ( crypt ( $trip, '@#$%^&*()' ), ( -1 * $length ) );
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} else {
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// insecure
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$trip = '!' . substr ( crypt ( $trip, $salt ), ( -1 * $length ) );
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}
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}
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if ( isset ( $trip ) ) {
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return array ( $nameo, $trip );
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} else {
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return array ( $nameo );
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}
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}
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// Highest common factor
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function hcf($a, $b){
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$gcd = 1;
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if ($a>$b) {
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$a = $a+$b;
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$b = $a-$b;
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$a = $a-$b;
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}
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if ($b==(round($b/$a))*$a)
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$gcd=$a;
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else {
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for($i=round($a/2);$i;$i--) {
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if ($a == round($a/$i)*$i && $b == round($b/$i)*$i) {
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$gcd = $i;
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$i = false;
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}
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}
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}
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return $gcd;
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}
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function fraction($numerator, $denominator, $sep) {
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$gcf = hcf($numerator, $denominator);
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$numerator = $numerator / $gcf;
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$denominator = $denominator / $gcf;
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return "{$numerator}{$sep}{$denominator}";
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}
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/*********************************************/
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/* Fonction: imagecreatefrombmp */
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/* Author: DHKold */
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/* Contact: admin@dhkold.com */
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/* Date: The 15th of June 2005 */
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/* Version: 2.0B */
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/*********************************************/
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function imagecreatefrombmp($filename) {
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if (! $f1 = fopen($filename,"rb")) return FALSE;
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$FILE = unpack("vfile_type/Vfile_size/Vreserved/Vbitmap_offset", fread($f1,14));
|
||
if ($FILE['file_type'] != 19778) return FALSE;
|
||
$BMP = unpack('Vheader_size/Vwidth/Vheight/vplanes/vbits_per_pixel'.
|
||
'/Vcompression/Vsize_bitmap/Vhoriz_resolution'.
|
||
'/Vvert_resolution/Vcolors_used/Vcolors_important', fread($f1,40));
|
||
$BMP['colors'] = pow(2,$BMP['bits_per_pixel']);
|
||
if ($BMP['size_bitmap'] == 0) $BMP['size_bitmap'] = $FILE['file_size'] - $FILE['bitmap_offset'];
|
||
$BMP['bytes_per_pixel'] = $BMP['bits_per_pixel']/8;
|
||
$BMP['bytes_per_pixel2'] = ceil($BMP['bytes_per_pixel']);
|
||
$BMP['decal'] = ($BMP['width']*$BMP['bytes_per_pixel']/4);
|
||
$BMP['decal'] -= floor($BMP['width']*$BMP['bytes_per_pixel']/4);
|
||
$BMP['decal'] = 4-(4*$BMP['decal']);
|
||
if ($BMP['decal'] == 4) $BMP['decal'] = 0;
|
||
|
||
$PALETTE = array();
|
||
if ($BMP['colors'] < 16777216)
|
||
{
|
||
$PALETTE = unpack('V'.$BMP['colors'], fread($f1,$BMP['colors']*4));
|
||
}
|
||
|
||
$IMG = fread($f1,$BMP['size_bitmap']);
|
||
$VIDE = chr(0);
|
||
|
||
$res = imagecreatetruecolor($BMP['width'],$BMP['height']);
|
||
$P = 0;
|
||
$Y = $BMP['height']-1;
|
||
while ($Y >= 0)
|
||
{
|
||
$X=0;
|
||
while ($X < $BMP['width'])
|
||
{
|
||
if ($BMP['bits_per_pixel'] == 24)
|
||
$COLOR = unpack("V",substr($IMG,$P,3).$VIDE);
|
||
elseif ($BMP['bits_per_pixel'] == 16)
|
||
{
|
||
$COLOR = unpack("n",substr($IMG,$P,2));
|
||
$COLOR[1] = $PALETTE[$COLOR[1]+1];
|
||
}
|
||
elseif ($BMP['bits_per_pixel'] == 8)
|
||
{
|
||
$COLOR = unpack("n",$VIDE.substr($IMG,$P,1));
|
||
$COLOR[1] = $PALETTE[$COLOR[1]+1];
|
||
}
|
||
elseif ($BMP['bits_per_pixel'] == 4)
|
||
{
|
||
$COLOR = unpack("n",$VIDE.substr($IMG,floor($P),1));
|
||
if (($P*2)%2 == 0) $COLOR[1] = ($COLOR[1] >> 4) ; else $COLOR[1] = ($COLOR[1] & 0x0F);
|
||
$COLOR[1] = $PALETTE[$COLOR[1]+1];
|
||
}
|
||
elseif ($BMP['bits_per_pixel'] == 1)
|
||
{
|
||
$COLOR = unpack("n",$VIDE.substr($IMG,floor($P),1));
|
||
if (($P*8)%8 == 0) $COLOR[1] = $COLOR[1] >>7;
|
||
elseif (($P*8)%8 == 1) $COLOR[1] = ($COLOR[1] & 0x40)>>6;
|
||
elseif (($P*8)%8 == 2) $COLOR[1] = ($COLOR[1] & 0x20)>>5;
|
||
elseif (($P*8)%8 == 3) $COLOR[1] = ($COLOR[1] & 0x10)>>4;
|
||
elseif (($P*8)%8 == 4) $COLOR[1] = ($COLOR[1] & 0x8)>>3;
|
||
elseif (($P*8)%8 == 5) $COLOR[1] = ($COLOR[1] & 0x4)>>2;
|
||
elseif (($P*8)%8 == 6) $COLOR[1] = ($COLOR[1] & 0x2)>>1;
|
||
elseif (($P*8)%8 == 7) $COLOR[1] = ($COLOR[1] & 0x1);
|
||
$COLOR[1] = $PALETTE[$COLOR[1]+1];
|
||
}
|
||
else
|
||
return FALSE;
|
||
imagesetpixel($res,$X,$Y,$COLOR[1]);
|
||
$X++;
|
||
$P += $BMP['bytes_per_pixel'];
|
||
}
|
||
$Y--;
|
||
$P+=$BMP['decal'];
|
||
}
|
||
fclose($f1);
|
||
|
||
return $res;
|
||
}
|
||
|
||
function createimage($type, $source_pic) {
|
||
$image = false;
|
||
switch($type) {
|
||
case 'jpg':
|
||
case 'jpeg':
|
||
if(!$image = @imagecreatefromjpeg($source_pic)) {
|
||
unlink($source_pic);
|
||
error(ERR_INVALIDIMG);
|
||
}
|
||
break;
|
||
case 'png':
|
||
if(!$image = @imagecreatefrompng($source_pic)) {
|
||
unlink($source_pic);
|
||
error(ERR_INVALIDIMG);
|
||
}
|
||
break;
|
||
case 'gif':
|
||
if(!$image = @imagecreatefromgif($source_pic)) {
|
||
unlink($source_pic);
|
||
error(ERR_INVALIDIMG);
|
||
}
|
||
break;
|
||
case 'bmp':
|
||
if(!$image = @imagecreatefrombmp($source_pic)) {
|
||
unlink($source_pic);
|
||
error(ERR_INVALIDIMG);
|
||
}
|
||
break;
|
||
default:
|
||
error('Unknwon file extension.');
|
||
}
|
||
return $image;
|
||
}
|
||
|
||
function resize($src, $width, $height, $destination_pic, $max_width, $max_height) {
|
||
$return = Array();
|
||
|
||
$x_ratio = $max_width / $width;
|
||
$y_ratio = $max_height / $height;
|
||
|
||
if(($width <= $max_width) && ($height <= $max_height)) {
|
||
$tn_width = $width;
|
||
$tn_height = $height;
|
||
} elseif (($x_ratio * $height) < $max_height) {
|
||
$tn_height = ceil($x_ratio * $height);
|
||
$tn_width = $max_width;
|
||
} else {
|
||
$tn_width = ceil($y_ratio * $width);
|
||
$tn_height = $max_height;
|
||
}
|
||
|
||
$return['width'] = $tn_width;
|
||
$return['height'] = $tn_height;
|
||
|
||
$tmp = imagecreatetruecolor($tn_width, $tn_height);
|
||
imagecolortransparent($tmp, imagecolorallocatealpha($tmp, 0, 0, 0, 0));
|
||
imagealphablending($tmp, false);
|
||
imagesavealpha($tmp, true);
|
||
|
||
imagecopyresampled($tmp, $src, 0, 0, 0, 0, $tn_width, $tn_height, $width, $height);
|
||
|
||
imagepng($tmp, $destination_pic, 4);
|
||
imagedestroy($src);
|
||
imagedestroy($tmp);
|
||
|
||
return $return;
|
||
}
|
||
|
||
function imagebmp(&$img, $filename='') {
|
||
$widthOrig = imagesx($img);
|
||
$widthFloor = ((floor($widthOrig/16))*16);
|
||
$widthCeil = ((ceil($widthOrig/16))*16);
|
||
$height = imagesy($img);
|
||
|
||
$size = ($widthCeil*$height*3)+54;
|
||
|
||
// Bitmap File Header
|
||
$result = 'BM'; // header (2b)
|
||
$result .= int_to_dword($size); // size of file (4b)
|
||
$result .= int_to_dword(0); // reserved (4b)
|
||
$result .= int_to_dword(54); // byte location in the file which is first byte of IMAGE (4b)
|
||
// Bitmap Info Header
|
||
$result .= int_to_dword(40); // Size of BITMAPINFOHEADER (4b)
|
||
$result .= int_to_dword($widthCeil); // width of bitmap (4b)
|
||
$result .= int_to_dword($height); // height of bitmap (4b)
|
||
$result .= int_to_word(1); // biPlanes = 1 (2b)
|
||
$result .= int_to_word(24); // biBitCount = {1 (mono) or 4 (16 clr ) or 8 (256 clr) or 24 (16 Mil)} (2b
|
||
$result .= int_to_dword(0); // RLE COMPRESSION (4b)
|
||
$result .= int_to_dword(0); // width x height (4b)
|
||
$result .= int_to_dword(0); // biXPelsPerMeter (4b)
|
||
$result .= int_to_dword(0); // biYPelsPerMeter (4b)
|
||
$result .= int_to_dword(0); // Number of palettes used (4b)
|
||
$result .= int_to_dword(0); // Number of important colour (4b)
|
||
|
||
// is faster than chr()
|
||
$arrChr = array();
|
||
for($i=0; $i<256; $i++){
|
||
$arrChr[$i] = chr($i);
|
||
}
|
||
|
||
// creates image data
|
||
$bgfillcolor = array('red'=>0, 'green'=>0, 'blue'=>0);
|
||
|
||
// bottom to top - left to right - attention blue green red !!!
|
||
$y=$height-1;
|
||
for ($y2=0; $y2<$height; $y2++) {
|
||
for ($x=0; $x<$widthFloor; ) {
|
||
$rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y));
|
||
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
|
||
$rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y));
|
||
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
|
||
$rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y));
|
||
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
|
||
$rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y));
|
||
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
|
||
$rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y));
|
||
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
|
||
$rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y));
|
||
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
|
||
$rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y));
|
||
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
|
||
$rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y));
|
||
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
|
||
}
|
||
for ($x=$widthFloor; $x<$widthCeil; $x++) {
|
||
$rgb = ($x<$widthOrig) ? imagecolorsforindex($img, imagecolorat($img, $x, $y)) : $bgfillcolor;
|
||
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
|
||
}
|
||
$y--;
|
||
}
|
||
|
||
// see imagegif
|
||
if($filename == '') {
|
||
echo $result;
|
||
} else {
|
||
$file = fopen($filename, 'wb');
|
||
fwrite($file, $result);
|
||
fclose($file);
|
||
}
|
||
}
|
||
// imagebmp helpers
|
||
function int_to_dword($n) {
|
||
return chr($n & 255).chr(($n >> 8) & 255).chr(($n >> 16) & 255).chr(($n >> 24) & 255);
|
||
}
|
||
function int_to_word($n) {
|
||
return chr($n & 255).chr(($n >> 8) & 255);
|
||
}
|
||
?>
|