95 lines
3.0 KiB
PHP
95 lines
3.0 KiB
PHP
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<?php
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require_once("../lib/phpchartdir.php");
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# Get the selected year.
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$selectedYear = $_REQUEST["xLabel"];
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#
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# In this demo, we just split the annual revenue into 12 months using random ratios.
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# In real life, the data can come from a database based on selectedYear.
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#
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# Get the annual revenue
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$annualRevenue = $_REQUEST["value"];
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# Split into 12 months
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srand((int)($selectedYear));
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$data = array_pad(array(), 12, 0);
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for($i = 0; $i < 11; ++$i) {
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$data[$i] = $annualRevenue * (rand() / getrandmax() * 0.6 + 0.6) / (12 - $i);
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$annualRevenue = $annualRevenue - $data[$i];
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}
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$data[11] = $annualRevenue;
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#
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# Now we obtain the data into arrays, we can start to draw the chart using
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# ChartDirector
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#
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# Create a XYChart object of size 600 x 320 pixels
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$c = new XYChart(600, 360);
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# Add a title to the chart using 18pts Times Bold Italic font
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$c->addTitle("Month Revenue for Star Tech for $selectedYear", "timesbi.ttf", 18);
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# Set the plotarea at (60, 40) and of size 500 x 280 pixels. Use a vertical gradient
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# color from light blue (eeeeff) to deep blue (0000cc) as background. Set border and
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# grid lines to white (ffffff).
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$c->setPlotArea(60, 40, 500, 280, $c->linearGradientColor(60, 40, 60, 280, 0xeeeeff,
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0x0000cc), -1, 0xffffff, 0xffffff);
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# Add a red line (ff0000) chart layer using the data
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$lineLayerObj = $c->addLineLayer();
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$dataSet = $lineLayerObj->addDataSet($data, 0xff0000, "Revenue");
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# Set the line width to 3 pixels
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$dataSet->setLineWidth(3);
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# Use a 13 point circle symbol to plot the data points
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$dataSet->setDataSymbol(CircleSymbol, 13);
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# Set the labels on the x axis. In this example, the labels must be Jan - Dec.
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$labels = array("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sept",
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"Oct", "Nov", "Dec");
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$c->xAxis->setLabels($labels);
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# When auto-scaling, use tick spacing of 40 pixels as a guideline
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$c->yAxis->setTickDensity(40);
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# Add a title to the x axis to reflect the selected year
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$c->xAxis->setTitle("Year $selectedYear", "timesbi.ttf", 12);
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# Add a title to the y axis
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$c->yAxis->setTitle("USD (millions)", "timesbi.ttf", 12);
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# Set axis label style to 8pts Arial Bold
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$c->xAxis->setLabelStyle("arialbd.ttf", 8);
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$c->yAxis->setLabelStyle("arialbd.ttf", 8);
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# Set axis line width to 2 pixels
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$c->xAxis->setWidth(2);
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$c->yAxis->setWidth(2);
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# Create the image and save it in a temporary location
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$chart1URL = $c->makeSession("chart1");
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# Create an image map for the chart
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$imageMap = $c->getHTMLImageMap("clickpie.php?year=$selectedYear", "",
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"title='{xLabel}: US\$ {value|0}M'");
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?>
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<html>
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<body topmargin="5" leftmargin="5" rightmargin="0" marginwidth="5" marginheight="5">
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<div style="font-size:18pt; font-family:verdana; font-weight:bold">
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Simple Clickable Line Chart
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</div>
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<hr color="#000080">
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<div style="font-size:10pt; font-family:verdana; margin-bottom:20">
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<a href="viewsource.php?file=<?php echo $_SERVER["SCRIPT_NAME"]?>">View Source Code</a>
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</div>
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<img src="getchart.php?<?php echo $chart1URL?>" border="0" usemap="#map1">
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<map name="map1">
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<?php echo $imageMap?>
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</map>
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</body>
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</html>
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