1<?php 2/** 3 * Usage example for Image_Graph. 4 * 5 * Main purpose: 6 * Demonstrate gradient fillings 7 * 8 * Other: 9 * None specific 10 * 11 * $Id: gradient_step.php 192339 2005-08-03 21:22:11Z nosey $ 12 * 13 * @package Image_Graph 14 * @author Jesper Veggerby <pear.nosey@veggerby.dk> 15 */ 16 17require_once 'Image/Graph.php'; 18require_once 'Image/Canvas.php'; 19 20$Canvas =& Image_Canvas::factory('png', 21 array( 22 'width' => 400, 23 'height' => 200 24 ) 25); 26 27 28// create the graph 29$Graph =& Image_Graph::factory('graph', $Canvas); 30 31$Font =& $Graph->addNew('font', 'Verdana'); 32$Font->setSize(8); 33 34$Graph->setFont($Font); 35 36$Graph->add( 37 Image_Graph::vertical( 38 Image_Graph::factory('title', array('Gradient Filled Step Chart', 11)), 39 Image_Graph::horizontal( 40 $Plotarea = Image_Graph::factory('plotarea'), 41 Image_Graph::factory('title', array('Anybody recognize?', array('size' => 7, 'color' => 'gray@0.6', 'angle' => 270))), 42 98 43 ), 44 5) 45); 46 47$Grid =& $Plotarea->addNew('line_grid', array(), IMAGE_GRAPH_AXIS_Y); 48$Grid->setLineColor('white@0.4'); 49 50$Dataset =& Image_Graph::factory('dataset'); 51$Dataset->addPoint(1, 20); 52$Dataset->addPoint(2, 10); 53$Dataset->addPoint(3, 35); 54$Dataset->addPoint(4, 5); 55$Dataset->addPoint(5, 18); 56$Dataset->addPoint(6, 33); 57$Plot =& $Plotarea->addNew('step', array(&$Dataset)); 58 59$Fill =& Image_Graph::factory('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'darkgreen', 'white')); 60$Plot->setFillStyle($Fill); 61 62$Fill =& Image_Graph::factory('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'yellow', 'darkred')); 63$Plotarea->setFillStyle($Fill); 64 65$AxisY =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_Y); 66$AxisY->forceMaximum(40); 67$AxisY->setLabelInterval(10); 68 69$Graph->setBackgroundColor('green@0.2'); 70$Graph->setBorderColor('black'); 71$Graph->setPadding(10); 72 73$Plot->setBorderColor('black'); 74 75// output the graph 76$Graph->done(); 77?>