93 lines
3.8 KiB
PHP
93 lines
3.8 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
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/**
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2012 Bharat Mediratta
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/**
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* This is the API for handling photos.
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*
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* Note: by design, this class does not do any permission checking.
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*/
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class photo_Core {
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static function get_edit_form($photo) {
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$form = new Forge("photos/update/$photo->id", "", "post", array("id" => "g-edit-photo-form"));
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$form->hidden("from_id")->value($photo->id);
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$group = $form->group("edit_item")->label(t("Edit Photo"));
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$group->input("title")->label(t("Title"))->value($photo->title)
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->error_messages("required", t("You must provide a title"))
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->error_messages("length", t("Your title is too long"));
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$group->textarea("description")->label(t("Description"))->value($photo->description);
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$group->input("name")->label(t("Filename"))->value($photo->name)
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->error_messages("conflict", t("There is already a movie, photo or album with this name"))
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->error_messages("no_slashes", t("The photo name can't contain a \"/\""))
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->error_messages("no_trailing_period", t("The photo name can't end in \".\""))
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->error_messages("illegal_data_file_extension", t("You cannot change the photo file extension"))
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->error_messages("required", t("You must provide a photo file name"))
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->error_messages("length", t("Your photo file name is too long"));
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$group->input("slug")->label(t("Internet Address"))->value($photo->slug)
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->error_messages(
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"conflict", t("There is already a movie, photo or album with this internet address"))
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->error_messages(
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"not_url_safe",
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t("The internet address should contain only letters, numbers, hyphens and underscores"))
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->error_messages("required", t("You must provide an internet address"))
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->error_messages("length", t("Your internet address is too long"));
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module::event("item_edit_form", $photo, $form);
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$group = $form->group("buttons")->label("");
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$group->submit("")->value(t("Modify"));
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return $form;
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}
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/**
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* Return scaled width and height.
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*
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* @param integer $width
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* @param integer $height
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* @param integer $max the target size for the largest dimension
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* @param string $format the output format using %d placeholders for width and height
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*/
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static function img_dimensions($width, $height, $max, $format="width=\"%d\" height=\"%d\"") {
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if (!$width || !$height) {
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return "";
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}
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if ($width > $height) {
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$new_width = $max;
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$new_height = (int)$max * ($height / $width);
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} else {
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$new_height = $max;
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$new_width = (int)$max * ($width / $height);
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}
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return sprintf($format, $new_width, $new_height);
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}
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/**
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* Return the width, height, mime_type and extension of the given image file.
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*/
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static function get_file_metadata($file_path) {
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$image_info = getimagesize($file_path);
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$width = $image_info[0];
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$height = $image_info[1];
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$mime_type = $image_info["mime"];
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$extension = image_type_to_extension($image_info[2], false);
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return array($width, $height, $mime_type, $extension);
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}
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}
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