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authorChris Buechler <cmb@pfsense.org>2011-01-25 05:20:28 -0500
committerChris Buechler <cmb@pfsense.org>2011-01-25 05:21:06 -0500
commit7af18d10dc23084ae8390241c2e9951d530248f7 (patch)
treebba85a3958c7c11a8ce0bc8d6b0addad3a24c2f1 /config/archive/dspam/pear/Image/Graph/Plot/Pie.php
parentdc3d5f22067dd659e4e8bd407e0745f78769fc85 (diff)
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Diffstat (limited to 'config/archive/dspam/pear/Image/Graph/Plot/Pie.php')
-rw-r--r--config/archive/dspam/pear/Image/Graph/Plot/Pie.php623
1 files changed, 623 insertions, 0 deletions
diff --git a/config/archive/dspam/pear/Image/Graph/Plot/Pie.php b/config/archive/dspam/pear/Image/Graph/Plot/Pie.php
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@@ -0,0 +1,623 @@
+<?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';
+
+/**
+ * 2D Piechart.
+ *
+ * @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_Pie extends Image_Graph_Plot
+{
+
+ /**
+ * The radius of the 'pie' spacing
+ * @access private
+ * @var int
+ */
+ var $_radius = 3;
+
+ /**
+ * Explode pie slices.
+ * @access private
+ * @var mixed
+ */
+ var $_explode = false;
+
+ /**
+ * The starting angle of the plot
+ * @access private
+ * @var int
+ */
+ var $_startingAngle = 0;
+
+ /**
+ * The angle direction (1 = CCW, -1 = CW)
+ * @access private
+ * @var int
+ */
+ var $_angleDirection = 1;
+
+ /**
+ * The diameter of the pie plot
+ * @access private
+ * @var int
+ */
+ var $_diameter = false;
+
+ /**
+ * Group items below this limit together as "the rest"
+ * @access private
+ * @var double
+ */
+ var $_restGroupLimit = false;
+
+ /**
+ * Rest group title
+ * @access private
+ * @var string
+ */
+ var $_restGroupTitle = 'The rest';
+
+ /**
+ * 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)
+ {
+ $y = ($y0 + $y1) / 2;
+ $this->_canvas->pieslice(
+ array(
+ 'x' => $x1,
+ 'y' => $y,
+ 'rx' => abs($x1 - $x0) / 2,
+ 'ry' => abs($y1 - $y0) / 2,
+ 'v1' => 45,
+ 'v2' => 315
+ )
+ );
+ }
+
+ /**
+ * Calculate marker point data
+ *
+ * @param array $point The point to calculate data for
+ * @param array $nextPoint The next point
+ * @param array $prevPoint The previous point
+ * @param array $totals The pre-calculated totals, if needed
+ * @return array An array containing marker point data
+ * @access private
+ */
+ function _getMarkerData($point, $nextPoint, $prevPoint, &$totals)
+ {
+ $point = parent::_getMarkerData($point, $nextPoint, $prevPoint, $totals);
+
+ $y = $totals['CURRENT_Y'];
+
+ if ($this->_angleDirection < 0) {
+ $y = $totals['ALL_SUM_Y'] - $y;
+ }
+
+ $point['ANGLE'] = 360 * (($y + ($point['Y'] / 2)) / $totals['ALL_SUM_Y']) + $this->_startingAngle;
+ $totals['CURRENT_Y'] += $point['Y'];
+
+ $point['ANG_X'] = cos(deg2rad($point['ANGLE']));
+ $point['ANG_Y'] = sin(deg2rad($point['ANGLE']));
+
+ $point['AX'] = -10 * $point['ANG_X'];
+ $point['AY'] = -10 * $point['ANG_Y'];
+
+ if ((isset($totals['ALL_SUM_Y'])) && ($totals['ALL_SUM_Y'] != 0)) {
+ $point['PCT_MIN_Y'] = $point['PCT_MAX_Y'] = (100 * $point['Y'] / $totals['ALL_SUM_Y']);
+ }
+
+ $point['LENGTH'] = 10; //$radius;
+
+ $x = $point['X'];
+ $explodeRadius = 0;
+ if ((is_array($this->_explode)) && (isset($this->_explode[$x]))) {
+ $explodeRadius = $this->_explode[$x];
+ } elseif (is_numeric($this->_explode)) {
+ $explodeRadius = $this->_explode;
+ }
+
+ $point['MARKER_X'] = $totals['CENTER_X'] +
+ ($totals['RADIUS'] + $explodeRadius) * $point['ANG_X'];
+ $point['MARKER_Y'] = $totals['CENTER_Y'] +
+ ($totals['RADIUS'] + $explodeRadius) * $point['ANG_Y'];
+
+ return $point;
+ }
+
+ /**
+ * Draws markers on the canvas
+ *
+ * @access private
+ */
+ function _drawMarker()
+ {
+
+ if ($this->_marker) {
+ $totals = $this->_getTotals();
+
+ $totals['CENTER_X'] = (int) (($this->_left + $this->_right) / 2);
+ $totals['CENTER_Y'] = (int) (($this->_top + $this->_bottom) / 2);
+
+ $totals['CURRENT_Y'] = 0;
+ $number = 0;
+
+ $diameter = $this->_getDiameter();
+
+ $keys = array_keys($this->_dataset);
+ foreach ($keys as $key) {
+ $dataset =& $this->_dataset[$key];
+
+ if (count($this->_dataset) == 1) {
+ $totals['RADIUS0'] = false;
+ $totals['RADIUS'] = $diameter / 2;
+ } else {
+ $dr = $diameter / (2 * count($this->_dataset));
+
+ $totals['RADIUS0'] = $number * $dr + ($number > 0 ? $this->_radius : 0);
+ $totals['RADIUS'] = ($number + 1) * $dr;
+ }
+
+ $totals['ALL_SUM_Y'] = 0;
+ $totals['CURRENT_Y'] = 0;
+ $dataset->_reset();
+ while ($point = $dataset->_next()) {
+ $totals['ALL_SUM_Y'] += $point['Y'];
+ }
+
+ $dataset->_reset();
+ $currentY = 0;
+ $the_rest = 0;
+ while ($point = $dataset->_next()) {
+ if (($this->_restGroupLimit !== false) && ($point['Y'] <= $this->_restGroupLimit)) {
+ $the_rest += $point['Y'];
+ }
+ else {
+ if ((!is_object($this->_dataSelector)) ||
+ ($this->_dataSelector->select($point))
+ ) {
+ $point = $this->_getMarkerData(
+ $point,
+ false,
+ false,
+ $totals
+ );
+ if (is_array($point)) {
+ $this->_marker->_drawMarker(
+ $point['MARKER_X'],
+ $point['MARKER_Y'],
+ $point
+ );
+ }
+ }
+ }
+ }
+ if ($the_rest > 0) {
+ $point = array('X' => $this->_restGroupTitle, 'Y' => $the_rest);
+ $point = $this->_getMarkerData(
+ $point,
+ false,
+ false,
+ $totals
+ );
+ if (is_array($point)) {
+ $this->_marker->_drawMarker(
+ $point['MARKER_X'],
+ $point['MARKER_Y'],
+ $point
+ );
+ }
+ }
+ $number++;
+ }
+ unset($keys);
+ }
+ }
+
+ /**
+ * Explodes a piece of this pie chart
+ *
+ * @param int $explode Radius to explode with (or an array)
+ * @param string $x The 'x' value to explode or omitted
+ */
+ function explode($explode, $x = false)
+ {
+ if ($x === false) {
+ $this->_explode = $explode;
+ } else {
+ $this->_explode[$x] = $explode;
+ }
+ }
+
+ /**
+ * Set the starting angle of the plot
+ *
+ * East is 0 degrees
+ * South is 90 degrees
+ * West is 180 degrees
+ * North is 270 degrees
+ *
+ * It is also possible to specify the direction of the plot angles (i.e. clockwise 'cw' or
+ * counterclockwise 'ccw')
+ */
+ function setStartingAngle($angle = 0, $direction = 'ccw')
+ {
+ $this->_startingAngle = ($angle % 360);
+ $this->_angleDirection = ($direction == 'ccw' ? 1 : -1);
+ }
+
+ /**
+ * Set the diameter of the pie plot (i.e. the number of pixels the
+ * pie plot should be across)
+ *
+ * Use 'max' for the maximum possible diameter
+ *
+ * Use negative values for the maximum possible - minus this value (fx -2
+ * to leave 1 pixel at each side)
+ *
+ * @param mixed @diameter The number of pixels
+ */
+ function setDiameter($diameter)
+ {
+ $this->_diameter = $diameter;
+ }
+
+ /**
+ * Set the limit for the y-value, where values below are grouped together
+ * as "the rest"
+ *
+ * @param double $limit The limit
+ * @param string $title The title to display in the legends (default 'The
+ * rest')
+ */
+ function setRestGroup($limit, $title = 'The rest')
+ {
+ $this->_restGroupLimit = $limit;
+ $this->_restGroupTitle = $title;
+ }
+
+ /**
+ * Get the diameter of the plot
+ * @return int The number of pixels the diameter is
+ * @access private
+ */
+ function _getDiameter()
+ {
+ $diameter = 0;
+ if ($this->_diameter === false) {
+ $diameter = min($this->height(), $this->width()) * 0.75;
+ }
+ else {
+ if ($this->_diameter === 'max') {
+ $diameter = min($this->height(), $this->width());
+ }
+ elseif ($this->_diameter < 0) {
+ $diameter = min($this->height(), $this->width()) + $this->_diameter;
+ } else {
+ $diameter = $this->_diameter;
+ }
+ }
+ return $diameter;
+ }
+
+
+ /**
+ * Output the plot
+ *
+ * @return bool Was the output 'good' (true) or 'bad' (false).
+ * @access private
+ */
+ function _done()
+ {
+ if (parent::_done() === false) {
+ return false;
+ }
+
+ $number = 0;
+
+ $keys = array_keys($this->_dataset);
+ foreach ($keys as $key) {
+ $dataset =& $this->_dataset[$key];
+
+ $totalY = 0;
+ $dataset->_reset();
+ while ($point = $dataset->_next()) {
+ $totalY += $point['Y'];
+ }
+
+ $centerX = (int) (($this->_left + $this->_right) / 2);
+ $centerY = (int) (($this->_top + $this->_bottom) / 2);
+ $diameter = $this->_getDiameter();
+ if ($this->_angleDirection < 0) {
+ $currentY = $totalY;
+ } else {
+ $currentY = 0; //rand(0, 100)*$totalY/100;
+ }
+ $dataset->_reset();
+
+ if (count($this->_dataset) == 1) {
+ $radius0 = false;
+ $radius1 = $diameter / 2;
+ } else {
+ $dr = $diameter / (2 * count($this->_dataset));
+
+ $radius0 = $number * $dr + ($number > 0 ? $this->_radius : 0);
+ $radius1 = ($number + 1) * $dr;
+ }
+
+ $the_rest = 0;
+ while ($point = $dataset->_next()) {
+ if (($this->_restGroupLimit !== false) && ($point['Y'] <= $this->_restGroupLimit)) {
+ $the_rest += $point['Y'];
+ }
+ else {
+ $angle1 = 360 * ($currentY / $totalY) + $this->_startingAngle;
+ $currentY += $this->_angleDirection * $point['Y'];
+ $angle2 = 360 * ($currentY / $totalY) + $this->_startingAngle;
+
+ $x = $point['X'];
+ $id = $point['ID'];
+
+ $dX = 0;
+ $dY = 0;
+ $explodeRadius = 0;
+ if ((is_array($this->_explode)) && (isset($this->_explode[$x]))) {
+ $explodeRadius = $this->_explode[$x];
+ } elseif (is_numeric($this->_explode)) {
+ $explodeRadius = $this->_explode;
+ }
+
+ if ($explodeRadius > 0) {
+ $dX = $explodeRadius * cos(deg2rad(($angle1 + $angle2) / 2));
+ $dY = $explodeRadius * sin(deg2rad(($angle1 + $angle2) / 2));
+ }
+
+ $ID = $point['ID'];
+ $this->_getFillStyle($ID);
+ $this->_getLineStyle($ID);
+ $this->_canvas->pieslice(
+ $this->_mergeData(
+ $point,
+ array(
+ 'x' => $centerX + $dX,
+ 'y' => $centerY + $dY,
+ 'rx' => $radius1,
+ 'ry' => $radius1,
+ 'v1' => $angle1,
+ 'v2' => $angle2,
+ 'srx' => $radius0,
+ 'sry' => $radius0
+ )
+ )
+ );
+ }
+ }
+
+ if ($the_rest > 0) {
+ $angle1 = 360 * ($currentY / $totalY) + $this->_startingAngle;
+ $currentY += $this->_angleDirection * $the_rest;
+ $angle2 = 360 * ($currentY / $totalY) + $this->_startingAngle;
+
+ $x = 'rest';
+ $id = 'rest';
+
+ $dX = 0;
+ $dY = 0;
+ $explodeRadius = 0;
+ if ((is_array($this->_explode)) && (isset($this->_explode[$x]))) {
+ $explodeRadius = $this->_explode[$x];
+ } elseif (is_numeric($this->_explode)) {
+ $explodeRadius = $this->_explode;
+ }
+
+ if ($explodeRadius > 0) {
+ $dX = $explodeRadius * cos(deg2rad(($angle1 + $angle2) / 2));
+ $dY = $explodeRadius * sin(deg2rad(($angle1 + $angle2) / 2));
+ }
+
+ $ID = $id;
+ $this->_getFillStyle($ID);
+ $this->_getLineStyle($ID);
+ $this->_canvas->pieslice(
+ $this->_mergeData(
+ $point,
+ array(
+ 'x' => $centerX + $dX,
+ 'y' => $centerY + $dY,
+ 'rx' => $radius1,
+ 'ry' => $radius1,
+ 'v1' => $angle1,
+ 'v2' => $angle2,
+ 'srx' => $radius0,
+ 'sry' => $radius0
+ )
+ )
+ );
+ }
+ $number++;
+ }
+ unset($keys);
+ $this->_drawMarker();
+ return true;
+ }
+
+ /**
+ * Draw a sample for use with legend
+ *
+ * @param array $param The parameters for the legend
+ * @access private
+ */
+ function _legendSample(&$param)
+ {
+ if (is_array($this->_dataset)) {
+
+ $this->_canvas->startGroup(get_class($this) . '_' . $this->_title);
+ $this->_clip(true);
+
+ $totals = $this->_getTotals();
+ $totals['CENTER_X'] = (int) (($this->_left + $this->_right) / 2);
+ $totals['CENTER_Y'] = (int) (($this->_top + $this->_bottom) / 2);
+ $totals['RADIUS'] = min($this->height(), $this->width()) * 0.75 * 0.5;
+ $totals['CURRENT_Y'] = 0;
+
+ if (is_a($this->_fillStyle, "Image_Graph_Fill")) {
+ $this->_fillStyle->_reset();
+ }
+
+ $count = 0;
+ $keys = array_keys($this->_dataset);
+ foreach ($keys as $key) {
+ $dataset =& $this->_dataset[$key];
+ $count++;
+
+ $dataset->_reset();
+ $the_rest = 0;
+ while ($point = $dataset->_next()) {
+ $caption = $point['X'];
+ if (($this->_restGroupLimit !== false) && ($point['Y'] <= $this->_restGroupLimit)) {
+ $the_rest += $point['Y'];
+ }
+ else {
+ $this->_canvas->setFont($param['font']);
+ $width = 20 + $param['width'] + $this->_canvas->textWidth($caption);
+ $param['maxwidth'] = max($param['maxwidth'], $width);
+ $x2 = $param['x'] + $width;
+ $y2 = $param['y'] + $param['height']+5;
+
+ if ((($param['align'] & IMAGE_GRAPH_ALIGN_VERTICAL) != 0) && ($y2 > $param['bottom'])) {
+ $param['y'] = $param['top'];
+ $param['x'] = $x2;
+ $y2 = $param['y'] + $param['height'];
+ } elseif ((($param['align'] & IMAGE_GRAPH_ALIGN_VERTICAL) == 0) && ($x2 > $param['right'])) {
+ $param['x'] = $param['left'];
+ $param['y'] = $y2;
+ $x2 = $param['x'] + 20 + $param['width'] + $this->_canvas->textWidth($caption);
+ }
+
+ $x = $x0 = $param['x'];
+ $y = $param['y'];
+ $y0 = $param['y'] - $param['height']/2;
+ $x1 = $param['x'] + $param['width'];
+ $y1 = $param['y'] + $param['height']/2;
+
+ if (!isset($param['simulate'])) {
+ $this->_getFillStyle($point['ID']);
+ $this->_getLineStyle($point['ID']);
+ $this->_drawLegendSample($x0, $y0, $x1, $y1);
+
+ if (($this->_marker) && ($dataset) && ($param['show_marker'])) {
+ $prevPoint = $dataset->_nearby(-2);
+ $nextPoint = $dataset->_nearby();
+
+ $p = $this->_getMarkerData($point, $nextPoint, $prevPoint, $totals);
+ if (is_array($point)) {
+ $p['MARKER_X'] = $x+$param['width']/2;
+ $p['MARKER_Y'] = $y;
+ unset ($p['AVERAGE_Y']);
+ $this->_marker->_drawMarker($p['MARKER_X'], $p['MARKER_Y'], $p);
+ }
+ }
+ $this->write($x + $param['width'] +10, $y, $caption, IMAGE_GRAPH_ALIGN_CENTER_Y | IMAGE_GRAPH_ALIGN_LEFT, $param['font']);
+ }
+
+ if (($param['align'] & IMAGE_GRAPH_ALIGN_VERTICAL) != 0) {
+ $param['y'] = $y2;
+ } else {
+ $param['x'] = $x2;
+ }
+ }
+ }
+ if ($the_rest > 0) {
+ $this->_canvas->setFont($param['font']);
+ $width = 20 + $param['width'] + $this->_canvas->textWidth($this->_restGroupTitle);
+ $param['maxwidth'] = max($param['maxwidth'], $width);
+ $x2 = $param['x'] + $width;
+ $y2 = $param['y'] + $param['height']+5;
+
+ if ((($param['align'] & IMAGE_GRAPH_ALIGN_VERTICAL) != 0) && ($y2 > $param['bottom'])) {
+ $param['y'] = $param['top'];
+ $param['x'] = $x2;
+ $y2 = $param['y'] + $param['height'];
+ } elseif ((($param['align'] & IMAGE_GRAPH_ALIGN_VERTICAL) == 0) && ($x2 > $param['right'])) {
+ $param['x'] = $param['left'];
+ $param['y'] = $y2;
+ $x2 = $param['x'] + 20 + $param['width'] + $this->_canvas->textWidth($this->_restGroupTitle);
+ }
+
+ $x = $x0 = $param['x'];
+ $y = $param['y'];
+ $y0 = $param['y'] - $param['height']/2;
+ $x1 = $param['x'] + $param['width'];
+ $y1 = $param['y'] + $param['height']/2;
+
+ if (!isset($param['simulate'])) {
+ $this->_getFillStyle('rest');
+ $this->_getLineStyle('rest');
+ $this->_drawLegendSample($x0, $y0, $x1, $y1);
+
+ $this->write($x + $param['width'] + 10, $y, $this->_restGroupTitle, IMAGE_GRAPH_ALIGN_CENTER_Y | IMAGE_GRAPH_ALIGN_LEFT, $param['font']);
+ }
+
+ if (($param['align'] & IMAGE_GRAPH_ALIGN_VERTICAL) != 0) {
+ $param['y'] = $y2;
+ } else {
+ $param['x'] = $x2;
+ }
+ }
+ }
+ unset($keys);
+ $this->_clip(false);
+ $this->_canvas->endGroup();
+ }
+ }
+
+}
+
+?> \ No newline at end of file