77 lines
1.9 KiB
PHP
77 lines
1.9 KiB
PHP
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<?php
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/**
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* Usage example for Image_Graph.
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*
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* Main purpose:
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* Demonstrate gradient fillings
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*
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* Other:
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* None specific
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*
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* $Id: gradient_step.php,v 1.4 2005/08/03 21:21:53 nosey Exp $
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*
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* @package Image_Graph
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* @author Jesper Veggerby <pear.nosey@veggerby.dk>
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*/
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require_once 'Image/Graph.php';
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require_once 'Image/Canvas.php';
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$Canvas =& Image_Canvas::factory('png',
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array(
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'width' => 400,
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'height' => 200
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)
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);
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// create the graph
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$Graph =& Image_Graph::factory('graph', $Canvas);
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$Font =& $Graph->addNew('font', 'Verdana');
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$Font->setSize(8);
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$Graph->setFont($Font);
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$Graph->add(
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Image_Graph::vertical(
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Image_Graph::factory('title', array('Gradient Filled Step Chart', 11)),
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Image_Graph::horizontal(
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$Plotarea = Image_Graph::factory('plotarea'),
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Image_Graph::factory('title', array('Anybody recognize?', array('size' => 7, 'color' => 'gray@0.6', 'angle' => 270))),
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98
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),
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5)
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);
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$Grid =& $Plotarea->addNew('line_grid', array(), IMAGE_GRAPH_AXIS_Y);
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$Grid->setLineColor('white@0.4');
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$Dataset =& Image_Graph::factory('dataset');
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$Dataset->addPoint(1, 20);
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$Dataset->addPoint(2, 10);
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$Dataset->addPoint(3, 35);
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$Dataset->addPoint(4, 5);
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$Dataset->addPoint(5, 18);
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$Dataset->addPoint(6, 33);
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$Plot =& $Plotarea->addNew('step', array(&$Dataset));
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$Fill =& Image_Graph::factory('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'darkgreen', 'white'));
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$Plot->setFillStyle($Fill);
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$Fill =& Image_Graph::factory('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'yellow', 'darkred'));
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$Plotarea->setFillStyle($Fill);
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$AxisY =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_Y);
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$AxisY->forceMaximum(40);
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$AxisY->setLabelInterval(10);
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$Graph->setBackgroundColor('green@0.2');
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$Graph->setBorderColor('black');
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$Graph->setPadding(10);
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$Plot->setBorderColor('black');
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// output the graph
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$Graph->done();
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?>
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