public function testRenderLineChartToOutput()
{
$filename = $this->tempDir . __FUNCTION__ . '.svg';
$chart = new ezcGraphRadarChart();
$chart->palette = new ezcGraphPaletteTango();
$chart->data['sample'] = new ezcGraphArrayDataSet($this->getRandomData(6));
ob_start();
// Suppress header already sent warning
@$chart->renderToOutput(500, 200);
file_put_contents($filename, ob_get_clean());
$this->compare($filename, $this->basePath . 'compare/' . __CLASS__ . '_' . __FUNCTION__ . '.svg');
}
function draw_radar_chart($WIDTH, $HEIGHT, $DATA, $CONFIG, $LEGEND, $FONT, $PALETTE = 'default')
{
$palettename = return_palette_name($PALETTE);
require dirname(__FILE__) . '/lib/ezc/Graph/mahara/palettes/' . $palettename . '.php';
$graph = new ezcGraphRadarChart();
$paletteclass = generate_palette_class_name($palettename);
$graph->palette = new $paletteclass();
$graph->title = $CONFIG['title'];
$graph->subtitle = 'Created: ' . $CONFIG['ctime'] . ', modified: ' . $CONFIG['mtime'];
$graph->subtitle->position = ezcGraph::BOTTOM;
$graph->legend = false;
$graph->background->padding = 10;
$graph->driver = new ezcGraphGdDriver();
$graph->driver->options->imageFormat = IMG_PNG;
switch ($FONT['type']) {
case 'serif':
$fontname = 'lib/ezc/Graph/mahara/fonts/LiberationSerif-Regular.ttf';
break;
case 'sans':
$fontname = 'lib/ezc/Graph/mahara/fonts/LiberationSans-Regular.ttf';
break;
}
$graph->options->font = $fontname;
$graph->options->fillLines = 128;
// Alpha (0 <= Alpha <= 255)
/*
switch ($CONFIG['labeltype']) {
case 'labelonly': $label = '%1$s'; break;
case 'valueonly': $label = '%2$d'; break;
case 'value': $label = '%1$s: %2$d'; break;
case 'percentonly': $label = '%3$.1f%%'; break;
case 'percent': $label = '%1$s: %3$.1f%%'; break;
default: $label = '%1$s: %2$d (%3$.1f%%)';
}
$graph->options->label = $label;
*/
// Set the maximum font size for all chart elements
$graph->options->font->maxFontSize = $FONT['size'];
// Set the font size for the title independently to 14
$graph->title->font->maxFontSize = $FONT['titlesize'];
//$graph->axis->min = 0; // ???
//$graph->axis->max = 4; // ???
$graph->axis->majorStep = 5;
//$graph->axis->minorStep = 1;
$EZCDATA = array();
foreach ($DATA as $value) {
$EZCDATA = array_merge($EZCDATA, array($value['key'] => $value['value']));
/*
if ($LEGEND == 'key') { $EZCDATA = array_merge($EZCDATA, array($value['key'] => $value['value'])); }
if ($LEGEND == 'label') { $EZCDATA = array_merge($EZCDATA, array($value['label'] => $value['value'])); }
*/
}
$graph->data[$CONFIG['title']] = new ezcGraphArrayDataSet($EZCDATA);
$graph->data[$CONFIG['title']][] = reset($EZCDATA);
/*
if (strtolower($CONFIG['chartspace']) == '3d') {
$graph->renderer = new ezcGraphRenderer3d();
$graph->renderer->options->pieChartOffset = 60;
$graph->renderer->options->pieChartShadowSize = 8;
$graph->renderer->options->pieChartShadowColor = '#000000'; //#BABDB6
$graph->renderer->options->pieChartHeight = 20;
}
*/
/* Build the PNG file and send it to the web browser */
$graph->renderToOutput($WIDTH, $HEIGHT);
}
