97 lines
3.0 KiB
PHP
97 lines
3.0 KiB
PHP
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* Image_Graph - PEAR PHP OO Graph Rendering Utility.
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version. This library is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
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* General Public License for more details. You should have received a copy of
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* the GNU Lesser General Public License along with this library; if not, write
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* to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*
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* @category Images
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* @package Image_Graph
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* @subpackage Figure
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* @author Jesper Veggerby <pear.nosey@veggerby.dk>
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* @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
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* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
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* @version CVS: $Id: Ellipse.php,v 1.9 2005/08/24 20:36:00 nosey Exp $
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* @link http://pear.php.net/package/Image_Graph
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*/
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/**
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* Include file Image/Graph/Element.php
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*/
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require_once 'Image/Graph/Element.php';
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/**
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* Ellipse to draw on the canvas
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*
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* @category Images
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* @package Image_Graph
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* @subpackage Figure
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* @author Jesper Veggerby <pear.nosey@veggerby.dk>
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* @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
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* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
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* @version Release: @package_version@
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* @link http://pear.php.net/package/Image_Graph
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*/
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class Image_Graph_Figure_Ellipse extends Image_Graph_Element
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{
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/**
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* Ellipse [Constructor]
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*
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* @param int $x The center pixel of the ellipse on the canvas
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* @param int $y The center pixel of the ellipse on the canvas
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* @param int $radiusX The width in pixels of the box on the canvas
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* @param int $radiusY The height in pixels of the box on the canvas
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*/
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function Image_Graph_Figure_Ellipse($x, $y, $radiusX, $radiusY)
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{
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parent::Image_Graph_Element();
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$this->_setCoords($x - $radiusX, $y - $radiusY, $x + $radiusX, $y + $radiusY);
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}
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/**
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* Output the ellipse
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*
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* @return bool Was the output 'good' (true) or 'bad' (false).
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* @access private
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*/
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function _done()
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{
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if (parent::_done() === false) {
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return false;
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}
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$this->_canvas->startGroup(get_class($this));
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$this->_getFillStyle();
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$this->_getLineStyle();
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$this->_canvas->ellipse(
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array(
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'x' => ($this->_left + $this->_right) / 2,
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'y' => ($this->_top + $this->_bottom) / 2,
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'rx' => $this->width(),
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'ry' => $this->height()
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)
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);
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$this->_canvas->endGroup();
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return true;
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}
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}
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?>
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