46 lines
1.5 KiB
PHP
46 lines
1.5 KiB
PHP
<?php
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require_once("../lib/phpchartdir.php");
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# The data for the chart
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$data = array(5.5, 3.5, -3.7, 1.7, -1.4, 3.3);
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$labels = array("Jan", "Feb", "Mar", "Apr", "May", "Jun");
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# Create a XYChart object of size 200 x 180 pixels
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$c = new XYChart(200, 180);
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# Set the plot area at (30, 20) and of size 140 x 130 pixels
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$c->setPlotArea(30, 20, 140, 130);
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# Configure the axis as according to the input parameter
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if ($_REQUEST["img"] == "0") {
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$c->addTitle("No Axis Extension", "arial.ttf", 8);
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} else if ($_REQUEST["img"] == "1") {
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$c->addTitle("Top/Bottom Extensions = 0/0", "arial.ttf", 8);
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# Reserve 20% margin at top of plot area when auto-scaling
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$c->yAxis->setAutoScale(0, 0);
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} else if ($_REQUEST["img"] == "2") {
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$c->addTitle("Top/Bottom Extensions = 0.2/0.2", "arial.ttf", 8);
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# Reserve 20% margin at top and bottom of plot area when auto-scaling
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$c->yAxis->setAutoScale(0.2, 0.2);
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} else if ($_REQUEST["img"] == "3") {
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$c->addTitle("Axis Top Margin = 15", "arial.ttf", 8);
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# Reserve 15 pixels at top of plot area
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$c->yAxis->setMargin(15);
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} else {
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$c->addTitle("Manual Scale -5 to 10", "arial.ttf", 8);
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# Set the y axis to scale from -5 to 10, with ticks every 5 units
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$c->yAxis->setLinearScale(-5, 10, 5);
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}
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# Set the labels on the x axis
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$c->xAxis->setLabels($labels);
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# Add a color bar layer using the given data. Use a 1 pixel 3D border for the bars.
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$barLayerObj = $c->addBarLayer3($data);
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$barLayerObj->setBorderColor(-1, 1);
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# output the chart
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header("Content-type: image/png");
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print($c->makeChart2(PNG));
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?>
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