- added missing PEAR Image dependency

1 files changed, 200 insertions, 0 deletions

diff --git a/packages/dspam/pear/Image/Graph/Plot/Step.php b/packages/dspam/pear/Image/Graph/Plot/Step.php
new file mode 100644
index 00000000..bc9267fe
--- /dev/null
+++ b/packages/dspam/pear/Image/Graph/Plot/Step.php
@@ -0,0 +1,200 @@
+<?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/Bar.php
+ */
+require_once 'Image/Graph/Plot/Bar.php';
+
+/**
+ * Step 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_Step extends Image_Graph_Plot
+{
+
+    /**
+     * 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) / 3;
+        $dy = abs($y1 - $y0) / 3;
+        $this->_canvas->addVertex(array('x' => $x0, 'y' => $y1));
+        $this->_canvas->addVertex(array('x' => $x0, 'y' => $y0 + $dy));
+
+        $this->_canvas->addVertex(array('x' => $x0 + $dx, 'y' => $y0 + $dy));
+        $this->_canvas->addVertex(array('x' => $x0 + $dx, 'y' => $y0));
+
+        $this->_canvas->addVertex(array('x' => $x0 + 2*$dx, 'y' => $y0));
+        $this->_canvas->addVertex(array('x' => $x0 + 2*$dx, 'y' => $y0 + 2*$dy));
+
+        $this->_canvas->addVertex(array('x' => $x1, 'y' => $y0 + 2*$dy));
+        $this->_canvas->addVertex(array('x' => $x1, 'y' => $y1));
+        $this->_canvas->polygon(array('connect' => true));
+    }
+
+    /**
+     * PlotType [Constructor]
+     *
+     * A 'normal' step chart is 'stacked'
+     *
+     * @param Dataset $dataset The data set (value containter) to plot
+     * @param string $multiType The type of the plot
+     * @param string $title The title of the plot (used for legends,
+     *   {@link Image_Graph_Legend})
+     */
+    function Image_Graph_Plot_Step(& $dataset, $multiType = 'stacked', $title = '')
+    {
+        $multiType = strtolower($multiType);
+        if (($multiType != 'stacked') && ($multiType != 'stacked100pct')) {
+            $multiType = 'stacked';
+        }
+        parent::Image_Graph_Plot($dataset, $multiType, $title);
+    }
+
+    /**
+     * Output the plot
+     *
+     * @return bool Was the output 'good' (true) or 'bad' (false).
+     * @access private
+     */
+    function _done()
+    {
+        if (Image_Graph_Plot::_done() === false) {
+            return false;
+        }
+
+        $this->_canvas->startGroup(get_class($this) . '_' . $this->_title);
+        $this->_clip(true);
+        
+        if ($this->_multiType == 'stacked100pct') {
+            $total = $this->_getTotals();
+        }
+
+        if ($this->_parent->_horizontal) {
+            $width = $this->height() / ($this->_maximumX() + 2) / 2;
+        }
+        else {
+            $width = $this->width() / ($this->_maximumX() + 2) / 2;
+        }
+
+        reset($this->_dataset);
+        $key = key($this->_dataset);
+        $dataset =& $this->_dataset[$key];
+
+        $first = $dataset->first();
+        $last = $dataset->last();
+
+        $point = array ('X' => $first['X'], 'Y' => '#min_pos#');
+        $firstY = $this->_pointY($point) + ($this->_parent->_horizontal ? $width : 0);
+        $base[] = $firstY; 
+        $firstX = $this->_pointX($point) - ($this->_parent->_horizontal ? 0 : $width);
+        $base[] = $firstX;
+        
+        $point = array ('X' => $last['X'], 'Y' => '#min_pos#');
+        $base[] = $this->_pointY($point) - ($this->_parent->_horizontal ? $width : 0);
+        $base[] = $this->_pointX($point) + ($this->_parent->_horizontal ? 0 : $width);
+
+        $first = ($this->_parent->_horizontal ? $firstY : $firstX);
+
+        $keys = array_keys($this->_dataset);
+        foreach ($keys as $key) {
+            $dataset =& $this->_dataset[$key];
+            $dataset->_reset();
+            $polygon = array_reverse($base);
+            unset ($base);
+            $last = $first;
+            while ($point = $dataset->_next()) {
+                $x = $point['X'];
+                $p = $point;
+
+                if (!isset($current[$x])) {
+                    $current[$x] = 0;
+                }
+
+                if ($this->_multiType == 'stacked100pct') {
+                    $p['Y'] = 100 * ($current[$x] + $point['Y']) / $total['TOTAL_Y'][$x];
+                } else {
+                    $p['Y'] += $current[$x];
+                }
+                $current[$x] += $point['Y'];
+                $point = $p;
+
+                if ($this->_parent->_horizontal) {
+                    $x0 = $this->_pointX($point);
+                    $y0 = $last;
+                    $x1 = $this->_pointX($point);
+                    $last = $y1 = $this->_pointY($point) - $width;
+                }
+                else {
+                    $x0 = $last;
+                    $y0 = $this->_pointY($point);
+                    $last = $x1 = $this->_pointX($point) + $width;
+                    $y1 = $this->_pointY($point);
+                }            
+                $polygon[] = $x0; $base[] = $y0;
+                $polygon[] = $y0; $base[] = $x0;
+                $polygon[] = $x1; $base[] = $y1;
+                $polygon[] = $y1; $base[] = $x1;
+            }
+
+            while (list(, $x) = each($polygon)) {
+                list(, $y) = each($polygon);
+                $this->_canvas->addVertex(array('x' => $x, 'y' => $y));
+            }
+
+            $this->_getFillStyle($key);
+            $this->_getLineStyle($key);
+            $this->_canvas->polygon(array('connect' => true));
+        }
+        unset($keys);
+        $this->_drawMarker();
+        $this->_clip(false);
+        $this->_canvas->endGroup();
+        return true;
+    }
+}
+
+?>
\ No newline at end of file