<?php
	/* Libchart - PHP chart library
	 * Copyright (C) 2005-2007 Jean-Marc Tr�meaux (jm.tremeaux at gmail.com)
	 *
	 * 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 3 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, see <http://www.gnu.org/licenses/>.
	 *
	 */

	defined('FULL_PATH') or die('restricted access!');

	/**
	 * A rectangle identified by the top-left and the bottom-right corners.
	 *
	 * @author Jean-Marc Tr�meaux (jm.tremeaux at gmail.com)
	 * @Created on 27 july 2007
	 */
	class LibchartRectangle {
		/**
		 * Top left X
		 */
		public $x1;

		/**
		 * Top left Y
		 */
		public $y1;

		/**
		 * Bottom right X
		 */
		public $x2;

		/**
		 * Bottom right Y
		 */
		public $y2;

		/**
		 * Creates a new rectangle
		 *
		 * @param	resource	GD image resource
		 */
		public function LibchartRectangle($x1, $y1, $x2, $y2) {
			$this->x1 = $x1;
			$this->y1 = $y1;
			$this->x2 = $x2;
			$this->y2 = $y2;
		}

		/**
		 * Apply a padding and returns the resulting rectangle.
		 *
		 * @return Resulting rectangle
		 */
		public function getPaddedRectangle($padding) {
			$rectangle = new LibchartRectangle(
					$this->x1 + $padding->left,
					$this->y1 + $padding->top,
					$this->x2 - $padding->right,
					$this->y2 - $padding->bottom
			);

			//echo "(" . $this->x1 . "," . $this->y1 . ") (" . $this->x2 . "," . $this->y2 . ")<br>";
			return $rectangle;
		}
	}