diff options
Diffstat (limited to 'config/dspam/pear/Image/Graph/Axis/Marker/Line.php')
| -rw-r--r-- | config/dspam/pear/Image/Graph/Axis/Marker/Line.php | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/config/dspam/pear/Image/Graph/Axis/Marker/Line.php b/config/dspam/pear/Image/Graph/Axis/Marker/Line.php new file mode 100644 index 00000000..0c46c144 --- /dev/null +++ b/config/dspam/pear/Image/Graph/Axis/Marker/Line.php @@ -0,0 +1,124 @@ +<?php + +/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ + +/** + * Class file containing a axis marker used for explicitly highlighting a point + * (line) on the graph, based on an value specified on an axis. + * + * 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 Grid + * @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/Grid.php + */ +require_once 'Image/Graph/Grid.php'; + +/** + * Display a grid + * + * {@link Image_Graph_Grid} + * + * @category Images + * @package Image_Graph + * @subpackage Grid + * @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_Axis_Marker_Line extends Image_Graph_Grid +{ + + /** + * The value + * @var double + * @access private + */ + var $_value = false; + + /** + * Sets the value of the line marker (value on the axis) + * + * @param double $value the value + */ + function setValue($value) + { + $this->_value = $value; + } + + /** + * Output the grid + * + * @return bool Was the output 'good' (true) or 'bad' (false). + * @access private + */ + function _done() + { + if (parent::_done() === false) { + return false; + } + + if (!$this->_primaryAxis) { + return false; + } + + $this->_canvas->startGroup(get_class($this)); + + $i = 0; + + $this->_value = min($this->_primaryAxis->_getMaximum(), max($this->_primaryAxis->_getMinimum(), $this->_value)); + + $secondaryPoints = $this->_getSecondaryAxisPoints(); + + reset($secondaryPoints); + list ($id, $previousSecondaryValue) = each($secondaryPoints); + while (list ($id, $secondaryValue) = each($secondaryPoints)) { + if ($this->_primaryAxis->_type == IMAGE_GRAPH_AXIS_X) { + $p1 = array ('X' => $this->_value, 'Y' => $secondaryValue); + $p2 = array ('X' => $this->_value, 'Y' => $previousSecondaryValue); + } else { + $p1 = array ('X' => $secondaryValue, 'Y' => $this->_value); + $p2 = array ('X' => $previousSecondaryValue, 'Y' => $this->_value); + } + + $x1 = $this->_pointX($p1); + $y1 = $this->_pointY($p1); + $x2 = $this->_pointX($p2); + $y2 = $this->_pointY($p2); + + $previousSecondaryValue = $secondaryValue; + + $this->_getLineStyle(); + $this->_canvas->line(array('x0' => $x1, 'y0' => $y1, 'x1' => $x2, 'y1' => $y2)); + } + + $this->_canvas->endGroup(); + + return true; + } + +} + +?>
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