8ec98c9f
 Guillaume
MAJ
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<?php // content="text/plain; charset=utf-8"
require_once ('jpgraph/jpgraph.php');
require_once ('jpgraph/jpgraph_line.php');
// A function to return the Roman Numeral, given an integer
function numberToRoman($aNum)
{
// Make sure that we only use the integer portion of the value
$n = intval($aNum);
$result = '';
// Declare a lookup array that we will use to traverse the number:
$lookup = array('M' => 1000, 'CM' => 900, 'D' => 500, 'CD' => 400,
'C' => 100, 'XC' => 90, 'L' => 50, 'XL' => 40,
'X' => 10, 'IX' => 9, 'V' => 5, 'IV' => 4, 'I' => 1);
foreach ($lookup as $roman => $value)
{
// Determine the number of matches
$matches = intval($n / $value);
// Store that many characters
$result .= str_repeat($roman, $matches);
// Substract that from the number
$n = $n % $value;
}
// The Roman numeral should be built, return it
return $result;
}
function formatCallback($aVal) {
return '('.numberToRoman($aVal).')';
}
// Some (random) data
$ydata = array(11,3,8,12,5,1,9,13,5,7);
// Size of the overall graph
$width=350;
$height=250;
// Create the graph and set a scale.
// These two calls are always required
$graph = new Graph($width,$height);
$graph->clearTheme();
$graph->SetScale('intlin');
$graph->SetShadow();
// Setup margin and titles
$graph->SetMargin(40,20,20,40);
$graph->title->Set('Calls per operator');
$graph->subtitle->Set('(March 12, 2008)');
$graph->xaxis->title->Set('Operator');
$graph->yaxis->title->Set('# of calls');
$graph->yaxis->title->SetFont( FF_FONT1 , FS_BOLD );
$graph->xaxis->title->SetFont( FF_FONT1 , FS_BOLD );
$graph->yaxis->SetColor('blue');
// Create the linear plot
$lineplot=new LinePlot($ydata);
$lineplot->SetColor( 'blue' );
$lineplot->SetWeight( 2 ); // Two pixel wide
$lineplot->mark->SetType(MARK_UTRIANGLE);
$lineplot->mark->SetColor('blue');
$lineplot->mark->SetFillColor('red');
$lineplot->value->Show();
$lineplot->value->SetFont(FF_ARIAL,FS_BOLD,10);
$lineplot->value->SetColor('darkred');
$lineplot->value->SetFormatCallback('formatCallback');
// Add the plot to the graph
$graph->Add($lineplot);
// Display the graph
$graph->Stroke();
?>
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