104 lines
2.8 KiB
PHP
104 lines
2.8 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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* Antialiasing usage
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*
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* Other:
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* Setup canvas, Many plotareas with one legend, Setup fillarray (filling one
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* plot with different colors depeding on dataset)
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*
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* $Id: antialias.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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// include libraries
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require_once 'Image/Graph.php';
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require_once 'Image/Canvas.php';
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// create a PNG canvas and enable antialiasing (canvas implementation)
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$Canvas =& Image_Canvas::factory('png', array('width' => 600, 'height' => 300, 'antialias' => 'native'));
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// create the graph
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$Graph =& Image_Graph::factory('graph', $Canvas);
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// add a TrueType font
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$Font =& $Graph->addNew('font', 'Verdana');
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// set the font size to 8 pixels
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$Font->setSize(8);
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// set the font
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$Graph->setFont($Font);
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// create the layout
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$Graph->add(
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Image_Graph::vertical(
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Image_Graph::factory('title', array('Antialiased Sample Chart', 12)),
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Image_Graph::vertical(
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Image_Graph::horizontal(
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$Plotarea1 = Image_Graph::factory('plotarea'),
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$Plotarea2 = Image_Graph::factory('plotarea')
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),
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$Legend = Image_Graph::factory('legend'),
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80
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),
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5
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)
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);
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// add grids
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$Grid =& $Plotarea1->addNew('line_grid', IMAGE_GRAPH_AXIS_Y);
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$Grid->setLineColor('silver');
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$Grid =& $Plotarea2->addNew('line_grid', IMAGE_GRAPH_AXIS_Y);
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$Grid->setLineColor('silver');
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// setup legend
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$Legend->setPlotarea($Plotarea1);
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$Legend->setPlotarea($Plotarea2);
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// create the dataset
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$Datasets =
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array(
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Image_Graph::factory('random', array(10, 2, 15, true)),
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Image_Graph::factory('random', array(10, 2, 15, true)),
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Image_Graph::factory('random', array(10, 2, 15, true))
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);
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// create the plot as stacked area chart using the datasets
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$Plot =& $Plotarea1->addNew('Image_Graph_Plot_Area', array($Datasets, 'stacked'));
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// set names for datasets (for legend)
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$Datasets[0]->setName('Jylland');
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$Datasets[1]->setName('Fyn');
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$Datasets[2]->setName('Sj<53>lland');
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// set line color for plot
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$Plot->setLineColor('gray');
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// create and populate the fillarray
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$FillArray =& Image_Graph::factory('Image_Graph_Fill_Array');
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$FillArray->addColor('blue@0.2');
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$FillArray->addColor('yellow@0.2');
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$FillArray->addColor('green@0.2');
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// set a fill style
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$Plot->setFillStyle($FillArray);
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// add other plots
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$Plot =& $Plotarea2->addNew('line', $Datasets[0]);
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$Plot->setLineColor('blue@0.2');
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$Plot =& $Plotarea2->addNew('line', $Datasets[1]);
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$Plot->setLineColor('yellow@0.2');
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$Plot =& $Plotarea2->addNew('line', $Datasets[2]);
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$Plot->setLineColor('green@0.2');
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// set color
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$Plotarea1->setFillColor('silver@0.3');
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$Plotarea2->setFillColor('silver@0.3');
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// output the Graph
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$Graph->done();
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?>
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