Initial Commit of AgileBill Open Source

includes/pear/Image/docs/examples/negative_values.php

@@ -0,0 +1,72 @@
+<?php
+/**
+ * Usage example for Image_Graph.
+ * 
+ * Main purpose: 
+ * Negative values
+ * (more a test really)
+ * 
+ * Other: 
+ * None specific
+ * 
+ * $Id: negative_values.php,v 1.3 2005/08/03 21:21:53 nosey Exp $
+ * 
+ * @package Image_Graph
+ * @author Jesper Veggerby <pear.nosey@veggerby.dk>
+ */
+
+
+require_once 'Image/Graph.php';
+require_once 'Image/Canvas.php';
+
+$Canvas =& Image_Canvas::factory('png', array('width' => 400, 'height' => 300, 'antialias' => true));      
+
+// create the graph
+$Graph =& Image_Graph::factory('graph', $Canvas);
+ // add a TrueType font
+$Font =& $Graph->addNew('font', 'Verdana');
+// set the font size to 11 pixels
+$Font->setSize(8);
+
+$Graph->setFont($Font);
+
+$Graph->add(
+    Image_Graph::vertical(
+        $Plotarea = Image_Graph::factory('plotarea'),
+        $Legend = Image_Graph::factory('legend'),
+        90
+    )
+);
+$Legend->setPlotarea($Plotarea);
+
+$Dataset =& Image_Graph::factory('dataset');
+$Dataset->addPoint('Jan', 1);
+$Dataset->addPoint('Feb', 2);
+$Dataset->addPoint('Mar', -2);
+$Dataset->addPoint('Apr', 4);
+$Dataset->addPoint('May', 3);
+$Dataset->addPoint('Jun', 6);
+$Dataset->addPoint('Jul', -1);
+$Dataset->addPoint('Aug', -3);
+$Dataset->addPoint('Sep', 2);
+$Dataset->addPoint('Oct', 3);
+$Dataset->addPoint('Nov', 1);
+$Dataset->addPoint('Dec', 4);    
+
+$Dataset2 =& Image_Graph::factory('dataset');
+$Dataset2->addPoint('Jan', 3);
+$Dataset2->addPoint('Feb', 4);
+$Dataset2->addPoint('Mar', 1);
+$Dataset2->addPoint('Apr', -2);
+$Dataset2->addPoint('May', 3);
+$Dataset2->addPoint('Jul', 1);
+
+$Plot =& $Plotarea->addNew('area', array(&$Dataset));
+$Plot->setFillColor('red@0.2');
+
+$Plot2 =& $Plotarea->addNew('bar', array(&$Dataset2));
+$Plot2->setFillColor('blue@0.2');
+
+// output the Graph
+$Graph->done();
+?>