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feature 1489: integrate UploadForm into Piwigo core. The integration is not
100% done, I just "made it work" on trunk. pclzip library was updated to version 2.8.2 for memory usage improvement. git-svn-id: http://piwigo.org/svn/trunk@5089 68402e56-0260-453c-a942-63ccdbb3a9ee
This commit is contained in:
plegall
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<?php
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// TODO
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// * check md5sum (already exists?)
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include_once(PHPWG_ROOT_PATH.'include/common.inc.php');
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include_once(PHPWG_ROOT_PATH.'include/ws_functions.inc.php');
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include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
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// Here is the plan
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//
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// 1) move uploaded file to upload/2010/01/22/20100122003814-449ada00.jpg
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//
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// 2) if taller than max_height or wider than max_width, move to pwg_high
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// + web sized creation
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//
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// 3) thumbnail creation from web sized
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//
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// 4) register in database
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function add_uploaded_file($source_filepath, $original_filename=null, $categories=null, $level=null)
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{
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global $conf;
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// current date
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list($dbnow) = mysql_fetch_row(pwg_query('SELECT NOW();'));
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list($year, $month, $day) = preg_split('/[^\d]/', $dbnow, 4);
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// upload directory hierarchy
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$upload_dir = sprintf(
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PHPWG_ROOT_PATH.'upload/%s/%s/%s',
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$year,
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$month,
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$day
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);
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// compute file path
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$md5sum = md5_file($source_filepath);
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$date_string = preg_replace('/[^\d]/', '', $dbnow);
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$random_string = substr($md5sum, 0, 8);
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$filename_wo_ext = $date_string.'-'.$random_string;
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$file_path = $upload_dir.'/'.$filename_wo_ext.'.jpg';
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prepare_directory($upload_dir);
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if (is_uploaded_file($source_filepath))
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{
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move_uploaded_file($source_filepath, $file_path);
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}
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else
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{
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copy($source_filepath, $file_path);
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}
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if ($conf['upload_form_websize_resize']
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and need_resize($file_path, $conf['upload_form_websize_maxwidth'], $conf['upload_form_websize_maxheight']))
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{
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$high_path = file_path_for_type($file_path, 'high');
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$high_dir = dirname($high_path);
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prepare_directory($high_dir);
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rename($file_path, $high_path);
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$high_infos = pwg_image_infos($high_path);
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pwg_image_resize(
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$high_path,
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$file_path,
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$conf['upload_form_websize_maxwidth'],
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$conf['upload_form_websize_maxheight'],
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$conf['upload_form_websize_quality']
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);
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}
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$file_infos = pwg_image_infos($file_path);
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$thumb_path = file_path_for_type($file_path, 'thumb');
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$thumb_dir = dirname($thumb_path);
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prepare_directory($thumb_dir);
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pwg_image_resize(
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$file_path,
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$thumb_path,
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$conf['upload_form_thumb_maxwidth'],
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$conf['upload_form_thumb_maxheight'],
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$conf['upload_form_thumb_quality']
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);
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$thumb_infos = pwg_image_infos($thumb_path);
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// database registration
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$insert = array(
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'file' => isset($original_filename) ? $original_filename : basename($file_path),
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'date_available' => $dbnow,
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'tn_ext' => 'jpg',
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'path' => preg_replace('/^.*?upload/', './upload', $file_path),
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'filesize' => $file_infos['filesize'],
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'width' => $file_infos['width'],
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'height' => $file_infos['height'],
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'md5sum' => $md5sum,
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);
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if (isset($high_infos))
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{
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$insert['has_high'] = 'true';
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$insert['high_filesize'] = $high_infos['filesize'];
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}
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if (isset($level))
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{
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$insert['level'] = $level;
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}
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mass_inserts(
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IMAGES_TABLE,
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array_keys($insert),
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array($insert)
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);
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$image_id = mysql_insert_id();
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if (isset($categories) and count($categories) > 0)
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{
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associate_images_to_categories(
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array($image_id),
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$categories
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);
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}
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// update metadata from the uploaded file (exif/iptc)
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update_metadata(array($image_id=>$file_path));
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invalidate_user_cache();
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return $image_id;
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}
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function prepare_directory($directory)
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{
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if (!is_dir($directory)) {
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umask(0000);
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$recursive = true;
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if (!@mkdir($directory, 0777, $recursive))
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{
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die('[prepare_directory] cannot create directory "'.$directory.'"');
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}
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}
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if (!is_writable($directory))
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{
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// last chance to make the directory writable
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@chmod($directory, 0777);
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if (!is_writable($directory))
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{
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die('[prepare_directory] directory "'.$directory.'" has no write access');
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}
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}
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secure_directory($directory);
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}
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function need_resize($image_filepath, $max_width, $max_height)
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{
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list($width, $height) = getimagesize($image_filepath);
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if ($width > $max_width or $height > $max_height)
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{
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return true;
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}
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return false;
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}
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function pwg_image_resize($source_filepath, $destination_filepath, $max_width, $max_height, $quality)
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{
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if (!function_exists('gd_info'))
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{
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return false;
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}
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// extension of the picture filename
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$extension = strtolower(get_extension($source_filepath));
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$source_image = null;
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if (in_array($extension, array('jpg', 'jpeg')))
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{
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$source_image = @imagecreatefromjpeg($source_filepath);
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}
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else if ($extension == 'png')
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{
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$source_image = @imagecreatefrompng($source_filepath);
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}
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else
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{
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die('unsupported file extension');
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}
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// width/height
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$source_width = imagesx($source_image);
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$source_height = imagesy($source_image);
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$ratio_width = $source_width / $max_width;
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$ratio_height = $source_height / $max_height;
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// maximal size exceeded ?
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if ($ratio_width > 1 or $ratio_height > 1)
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{
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if ($ratio_width < $ratio_height)
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{
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$destination_width = ceil($source_width / $ratio_height);
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$destination_height = $max_height;
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}
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else
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{
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$destination_width = $max_width;
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$destination_height = ceil($source_height / $ratio_width);
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}
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}
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else
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{
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// the image doesn't need any resize! We just copy it to the destination
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copy($source_filepath, $destination_filepath);
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return true;
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}
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$destination_image = imagecreatetruecolor($destination_width, $destination_height);
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imagecopyresampled(
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$destination_image,
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$source_image,
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0,
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0,
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0,
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0,
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$destination_width,
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$destination_height,
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$source_width,
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$source_height
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);
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imagejpeg($destination_image, $destination_filepath, $quality);
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// freeing memory ressources
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imagedestroy($source_image);
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imagedestroy($destination_image);
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// everything should be OK if we are here!
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return true;
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}
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function pwg_image_infos($path)
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{
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list($width, $height) = getimagesize($path);
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$filesize = floor(filesize($path)/1024);
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return array(
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'width' => $width,
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'height' => $height,
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'filesize' => $filesize,
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);
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}
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function is_valid_image_extension($extension)
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{
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return in_array(strtolower($extension), array('jpg', 'jpeg', 'png'));
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}
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?>
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