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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2009 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
class gallery_graphics_Core {
/**
* Resize an image. Valid options are width, height and master. Master is one of the Image
* master dimension constants.
*
* @param string $input_file
* @param string $output_file
* @param array $options
*/
static function resize($input_file, $output_file, $options) {
graphics::init_toolkit();
module::event("graphics_resize", $input_file, $output_file, $options);
if (@filesize($input_file) == 0) {
throw new Exception("@todo EMPTY_INPUT_FILE");
}
$dims = getimagesize($input_file);
if (max($dims[0], $dims[1]) < min($options["width"], $options["height"])) {
// Image would get upscaled; do nothing
copy($input_file, $output_file);
} else {
$image = Image::factory($input_file)
->resize($options["width"], $options["height"], $options["master"])
->quality(module::get_var("gallery", "image_quality"));
if (graphics::can("sharpen")) {
$image->sharpen(module::get_var("gallery", "image_sharpen"));
}
$image->save($output_file);
}
module::event("graphics_resize_completed", $input_file, $output_file, $options);
}
}
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