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author | Daniel Stefan Haischt <dsh@pfsense.org> | 2006-07-27 01:32:35 +0000 |
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committer | Daniel Stefan Haischt <dsh@pfsense.org> | 2006-07-27 01:32:35 +0000 |
commit | 4427f59c63f88971deeaaa9809374df18d1eb288 (patch) | |
tree | 714b6c877eaa68ac244dae440254670363afc34a /packages/dspam/pear/Image/Graph/Plot/Bar.php | |
parent | 3c8397a8083a2d9e3838440e5b7f3d51705713ef (diff) | |
download | pfsense-packages-4427f59c63f88971deeaaa9809374df18d1eb288.tar.gz pfsense-packages-4427f59c63f88971deeaaa9809374df18d1eb288.tar.bz2 pfsense-packages-4427f59c63f88971deeaaa9809374df18d1eb288.zip |
- added missing PEAR Image dependency
Diffstat (limited to 'packages/dspam/pear/Image/Graph/Plot/Bar.php')
-rw-r--r-- | packages/dspam/pear/Image/Graph/Plot/Bar.php | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/packages/dspam/pear/Image/Graph/Plot/Bar.php b/packages/dspam/pear/Image/Graph/Plot/Bar.php new file mode 100644 index 00000000..3e35f92c --- /dev/null +++ b/packages/dspam/pear/Image/Graph/Plot/Bar.php @@ -0,0 +1,307 @@ +<?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 Plot + * @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/Plot.php + */ +require_once 'Image/Graph/Plot.php'; + +/** + * A bar chart. + * + * @category Images + * @package Image_Graph + * @subpackage Plot + * @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_Plot_Bar extends Image_Graph_Plot +{ + + /** + * The space between 2 bars (should be a multipla of 2) + * @var int + * @access private + */ + var $_space = 4; + + /** + * The width of the bars + * @var array + * @access private + */ + var $_width = 'auto'; + + /** + * Perform the actual drawing on the legend. + * + * @param int $x0 The top-left x-coordinate + * @param int $y0 The top-left y-coordinate + * @param int $x1 The bottom-right x-coordinate + * @param int $y1 The bottom-right y-coordinate + * @access private + */ + function _drawLegendSample($x0, $y0, $x1, $y1) + { + $dx = abs($x1 - $x0) / 7; + $this->_canvas->rectangle(array('x0' => $x0 + $dx, 'y0' => $y0, 'x1' => $x1 - $dx, 'y1' => $y1)); + } + + /** + * Set the spacing between 2 neighbouring bars + * + * @param int $space The number of pixels between 2 bars, should be a + * multipla of 2 (ie an even number) + */ + function setSpacing($space) + { + $this->_space = (int) ($space / 2); + } + + /** + * Set the width of a bars. + * + * Specify 'auto' to auto calculate the width based on the positions on the + * x-axis. + * + * Supported units are: + * + * '%' The width is specified in percentage of the total plot width + * + * 'px' The width specified in pixels + * + * @param string $width The width of any bar + * @param string $unit The unit of the width + */ + function setBarWidth($width, $unit = false) + { + if ($width == 'auto') { + $this->_width = $width; + } else { + $this->_width = array( + 'width' => $width, + 'unit' => $unit + ); + } + } + + /** + * Output the plot + * + * @return bool Was the output 'good' (true) or 'bad' (false). + * @access private + */ + function _done() + { + if (parent::_done() === false) { + return false; + } + + if (!is_array($this->_dataset)) { + return false; + } + + $this->_canvas->startGroup(get_class($this) . '_' . $this->_title); + + $this->_clip(true); + + if ($this->_width == 'auto') { + $width = $this->_parent->_labelDistance(IMAGE_GRAPH_AXIS_X) / 2; + } elseif ($this->_width['unit'] == '%') { + $width = $this->_width['width'] * $this->width() / 200; + } elseif ($this->_width['unit'] == 'px') { + $width = $this->_width['width'] / 2; + } + + if ($this->_multiType == 'stacked100pct') { + $total = $this->_getTotals(); + } + + $minYaxis = $this->_parent->_getMinimum($this->_axisY); + $maxYaxis = $this->_parent->_getMaximum($this->_axisY); + + $number = 0; + $keys = array_keys($this->_dataset); + foreach ($keys as $key) { + $dataset =& $this->_dataset[$key]; + $dataset->_reset(); + while ($point = $dataset->_next()) { + + if ($this->_parent->_horizontal) { + $y1 = $this->_pointY($point) - $width; + $y2 = $this->_pointY($point) + $width; + + if ($y2 - $this->_space > $y1 + $this->_space) { + /* + * Take bar spacing into account _only_ if the space doesn't + * turn the bar "inside-out", i.e. if the actual bar width + * is smaller than the space between the bars + */ + $y2 -= $this->_space; + $y1 += $this->_space; + } + } + else { + $x1 = $this->_pointX($point) - $width; + $x2 = $this->_pointX($point) + $width; + + if ($x2 - $this->_space > $x1 + $this->_space) { + /* + * Take bar spacing into account _only_ if the space doesn't + * turn the bar "inside-out", i.e. if the actual bar width + * is smaller than the space between the bars + */ + $x2 -= $this->_space; + $x1 += $this->_space; + } + } + + + if (($this->_multiType == 'stacked') || + ($this->_multiType == 'stacked100pct')) + { + $x = $point['X']; + + if ($point['Y'] >= 0) { + if (!isset($current[$x])) { + $current[$x] = 0; + } + + if ($this->_multiType == 'stacked') { + $p0 = array( + 'X' => $point['X'], + 'Y' => $current[$x] + ); + $p1 = array( + 'X' => $point['X'], + 'Y' => $current[$x] + $point['Y'] + ); + } else { + $p0 = array( + 'X' => $point['X'], + 'Y' => 100 * $current[$x] / $total['TOTAL_Y'][$x] + ); + $p1 = array( + 'X' => $point['X'], + 'Y' => 100 * ($current[$x] + $point['Y']) / $total['TOTAL_Y'][$x] + ); + } + $current[$x] += $point['Y']; + } else { + if (!isset($currentNegative[$x])) { + $currentNegative[$x] = 0; + } + + $p0 = array( + 'X' => $point['X'], + 'Y' => $currentNegative[$x] + ); + $p1 = array( + 'X' => $point['X'], + 'Y' => $currentNegative[$x] + $point['Y'] + ); + $currentNegative[$x] += $point['Y']; + } + } else { + if (count($this->_dataset) > 1) { + $w = 2 * ($width - $this->_space) / count($this->_dataset); + if ($this->_parent->_horizontal) { + $y2 = ($y1 = ($y1 + $y2) / 2 - ($width - $this->_space) + $number * $w) + $w; + } + else { + $x2 = ($x1 = ($x1 + $x2) / 2 - ($width - $this->_space) + $number * $w) + $w; + } + } + $p0 = array('X' => $point['X'], 'Y' => 0); + $p1 = $point; + } + + if ((($minY = min($p0['Y'], $p1['Y'])) < $maxYaxis) && + (($maxY = max($p0['Y'], $p1['Y'])) > $minYaxis) + ) { + $p0['Y'] = $minY; + $p1['Y'] = $maxY; + + if ($p0['Y'] < $minYaxis) { + $p0['Y'] = '#min_pos#'; + } + if ($p1['Y'] > $maxYaxis) { + $p1['Y'] = '#max_neg#'; + } + + if ($this->_parent->_horizontal) { + $x1 = $this->_pointX($p0); + $x2 = $this->_pointX($p1); + } + else { + $y1 = $this->_pointY($p0); + $y2 = $this->_pointY($p1); + } + + $ID = $point['ID']; + if (($ID === false) && (count($this->_dataset) > 1)) { + $ID = $key; + } + $this->_getFillStyle($ID); + $this->_getLineStyle($ID); + + if (($y1 != $y2) && ($x1 != $x2)) { + $this->_canvas->rectangle( + $this->_mergeData( + $point, + array( + 'x0' => min($x1, $x2), + 'y0' => min($y1, $y2), + 'x1' => max($x1, $x2), + 'y1' => max($y1, $y2) + ) + ) + ); + } + } + } + $number ++; + } + unset($keys); + + $this->_drawMarker(); + + $this->_clip(false); + + $this->_canvas->endGroup(); + + return true; + } +} + +?>
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