Initial Commit of AgileBill Open Source

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

@@ -0,0 +1,80 @@
+<?php
+/**
+ * Usage example for Image_Graph.
+ * 
+ * Main purpose: 
+ * Demonstrate gradient fillings
+ * 
+ * Other: 
+ * None specific
+ * 
+ * $Id: gradient_fill_area.php,v 1.4 2005/08/03 21:21:53 nosey Exp $
+ * 
+ * @package Image_Graph
+ * @author Jesper Veggerby <pear.nosey@veggerby.dk>
+ */
+
+require_once 'Image/Graph.php';
+    
+// create the graph
+$Graph =& Image_Graph::factory('graph', array(400, 300));
+// add a TrueType font
+$Font =& $Graph->addNew('font', 'Verdana');
+// set the font size to 11 pixels
+$Font->setSize(8);
+
+$Graph->setFont($Font);
+
+// create the plotarea
+$Graph->add(
+    Image_Graph::vertical(
+        Image_Graph::factory('title', array('Gradient filled smoothed area chart', 12)),
+        Image_Graph::vertical(
+            $Plotarea = Image_Graph::factory('plotarea'),
+            $Legend = Image_Graph::factory('legend'),
+            85
+        ),
+        8
+    )
+);
+
+$Legend->setPlotarea($Plotarea);
+	
+// create the 1st dataset
+$Dataset =& Image_Graph::factory('random', array(10, 40, 100, true));
+// create the 1st plot as smoothed area chart using the 1st dataset
+$Plot =& $Plotarea->addNew('smooth_area', array(&$Dataset));
+// create a vertical gradient fill using red and yellow, ie bottom of graph 
+// will be yellow and the 'higher' the value the more red it will be, ie a 'fire' effect
+$Plot->setFillStyle(Image_Graph::factory('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'green', 'lightyellow')));
+$Plot->setTitle('Inside scope');
+
+// create the 2nd dataset
+$Dataset2 =& Image_Graph::factory('random', array(10, 50, 70, true));
+// create the 2nd plot as smoothed area chart using the 2nd dataset
+$Plot2 =& $Plotarea->addNew('smooth_area', array(&$Dataset2));
+// create a vertical gradient fill using red and yellow, ie bottom of graph 
+// will be yellow and the 'higher' the value the more red it will be, ie a 'fire' effect
+$Plot2->setFillColor('white@0.4');
+$Plot2->setTitle('Outside scope');
+
+$Graph->setBackground(Image_Graph::factory('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL_MIRRORED, 'steelblue', 'lightcyan')));
+$Graph->setBorderColor('black');
+
+
+// create a Y data value marker
+$Marker =& $Plot->addNew('Image_Graph_Marker_Value', IMAGE_GRAPH_PCT_Y_MAX);
+// create a pin-point marker type
+$PointingMarker =& $Plot->addNew('Image_Graph_Marker_Pointing_Angular', array(20, &$Marker));
+// and use the marker on the 1st plot
+$Plot->setMarker($PointingMarker);	
+// format value marker labels as percentage values
+$Marker->setDataPreProcessor(Image_Graph::factory('Image_Graph_DataPreprocessor_Formatted', '%0.1f%%'));
+$Marker->setFontSize(7);
+
+$AxisY =& $Plotarea->getAxis('y');
+$AxisY->forceMinimum(30);
+
+// output the Graph
+$Graph->done();
+?>