diff options
Diffstat (limited to 'packages/dspam/pear/Image/Graph/Marker/Array.php')
-rw-r--r-- | packages/dspam/pear/Image/Graph/Marker/Array.php | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/packages/dspam/pear/Image/Graph/Marker/Array.php b/packages/dspam/pear/Image/Graph/Marker/Array.php new file mode 100644 index 00000000..12fed66c --- /dev/null +++ b/packages/dspam/pear/Image/Graph/Marker/Array.php @@ -0,0 +1,105 @@ +<?php + +/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ + +/** + * Image_Graph - PEAR PHP OO Graph Rendering Utility. + * + * PHP versions 4 and 5 + * + * LICENSE: This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 of the License, or (at your + * option) any later version. This library 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 Lesser + * General Public License for more details. You should have received a copy of + * the GNU Lesser General Public License along with this library; if not, write + * to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + * + * @category Images + * @package Image_Graph + * @subpackage Marker + * @author Jesper Veggerby <pear.nosey@veggerby.dk> + * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen + * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 + * @version CVS: $Id$ + * @link http://pear.php.net/package/Image_Graph + */ + +/** + * Include file Image/Graph/Marker.php + */ +require_once 'Image/Graph/Marker.php'; + +/** + * A sequential array of markers. + * + * This is used for displaying different markers for datapoints on a chart. + * This is done by adding multiple markers to a MarkerArrray structure. + * The marker array will then when requested return the 'next' marker in + * sequential order. It is possible to specify ID tags to each marker, which is + * used to make sure some data uses a specific marker. + * + * @category Images + * @package Image_Graph + * @subpackage Marker + * @author Jesper Veggerby <pear.nosey@veggerby.dk> + * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen + * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 + * @version Release: @package_version@ + * @link http://pear.php.net/package/Image_Graph + */ +class Image_Graph_Marker_Array extends Image_Graph_Marker +{ + + /** + * The marker array + * @var array + * @access private + */ + var $_markers = array (); + + /** + * Add a marker style to the array + * + * @param Marker $marker The marker to add + */ + function add(& $marker) + { + if (is_a($marker, 'Image_Graph_Element')) { + parent::add($marker); + } + $this->_markers[] =& $marker; + reset($this->_markers); + } + + /** + * Draw the marker on the canvas + * + * @param int $x The X (horizontal) position (in pixels) of the marker on + * the canvas + * @param int $y The Y (vertical) position (in pixels) of the marker on the + * canvas + * @param array $values The values representing the data the marker 'points' + * to + * @access private + */ + function _drawMarker($x, $y, $values = false) + { + $ID = key($this->_markers); + if (!next($this->_markers)) { + reset($this->_markers); + } + $marker =& $this->_markers[$ID]; + + if ($marker != null) { + $marker->_drawMarker($x, $y, $values); + } + parent::_drawMarker($x, $y, $values); + } + +} + +?>
\ No newline at end of file |