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Diffstat (limited to 'config/archive/dspam/pear/Image/Graph/Marker/Pointing.php')
-rw-r--r-- | config/archive/dspam/pear/Image/Graph/Marker/Pointing.php | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/config/archive/dspam/pear/Image/Graph/Marker/Pointing.php b/config/archive/dspam/pear/Image/Graph/Marker/Pointing.php new file mode 100644 index 00000000..05ab94e4 --- /dev/null +++ b/config/archive/dspam/pear/Image/Graph/Marker/Pointing.php @@ -0,0 +1,140 @@ +<?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'; + +/** + * Data marker as a 'pointing marker'. + * + * Points to the data using another marker (as start and/or end) + * + * @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_Pointing extends Image_Graph_Marker +{ + + /** + * The starting marker + * @var Marker + * @access private + */ + var $_markerStart; + + /** + * The ending marker + * @var Marker + * @access private + */ + var $_markerEnd; + + /** + * The X offset from the 'data' + * @var int + * @access private + */ + var $_deltaX = -1; + + /** + * The Y offset from the 'data' + * @var int + * @access private + */ + var $_deltaY = -1; + + /** + * Create an pointing marker, ie a pin on a board + * + * @param int $deltaX The the X offset from the real 'data' point + * @param int $deltaY The the Y offset from the real 'data' point + * @param Marker $markerEnd The ending marker that represents 'the head of + * the pin' + */ + function Image_Graph_Marker_Pointing($deltaX, $deltaY, & $markerEnd) + { + parent::Image_Graph_Marker(); + $this->_deltaX = $deltaX; + $this->_deltaY = $deltaY; + $this->_markerStart = null; + $this->_markerEnd =& $markerEnd; + } + + /** + * Sets the starting marker, ie the tip of the pin on a board + * + * @param Marker $markerStart The starting marker that represents 'the tip + * of the pin' + */ + function setMarkerStart(& $markerStart) + { + $this->_markerStart =& $markerStart; + $this->_markerStart->_setParent($this); + } + + /** + * 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, $values = false) + { + parent::_drawMarker($x, $y, $values); + if ($this->_markerStart) { + $this->_markerStart->_setParent($this); + $this->_markerStart->_drawMarker($x, $y, $values); + } + $this->_getLineStyle(); + $this->_canvas->line(array('x0' => $x, 'y0' => $y, 'x1' => $x + $this->_deltaX, 'y1' => $y + $this->_deltaY)); + $this->_markerEnd->_setParent($this); + $this->_markerEnd->_drawMarker( + $x + $this->_deltaX, + $y + $this->_deltaY, + $values + ); + } + +} + +?>
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