joshua/cryptohistory.org
1
0
Fork 0
mirror of https://github.com/seigler/cryptohistory.org synced 2025-07-27 01:36:11 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

support custom plotline colors with SVG

Browse source
This commit is contained in:
Joshua Seigler 2016-07-03 03:36:30 -04:00
parent eff4f386ae
commit 7cb823d536
2 changed files with 29 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

29
views/chart.php
View file

@ -127,7 +127,11 @@ function renderChart(
$chartData[$item->date] = $item->weightedAverage;
}
$poloniexChart = new NeatCharts\LineChart($chartData, $themes[$theme]);
if ($format == 'svg') {
$chartOptions = array_replace($themes[$theme], ['lineColor'=>'@lineColor']);
}
$poloniexChart = new NeatCharts\LineChart($chartData, $chartOptions);
$result = '<?xml version="1.0" standalone="no"?>' . PHP_EOL;
$result .= $poloniexChart->render();
@ -148,13 +152,26 @@ function renderChart(
}
header('Expires: '.gmdate(DateTime::RFC1123, $resultExpires));
if ($format == 'svg') {
header('Content-type: image/svg+xml; charset=utf-8');
header('Content-Disposition: inline; filename="Dash-chart-' . gmdate('Y-m-d\THis+0', $startTime) . '--' . gmdate('Y-m-d\THis+0') . '.svg"');
} else if ($format == 'png') {
if ($format == 'png') {
header('Content-Type: image/png');
header('Content-Disposition: inline; filename="Dash-chart-' . gmdate('Y-m-d\THis+0', $startTime) . '--' . gmdate('Y-m-d\THis+0') . '.png"');
echo $result;
} else if ($format == 'svg') {
header('Content-type: image/svg+xml; charset=utf-8');
header('Content-Disposition: inline; filename="Dash-chart-' . gmdate('Y-m-d\THis+0', $startTime) . '--' . gmdate('Y-m-d\THis+0') . '.svg"');
if (array_key_exists('lineColor', $_GET)) {
$lineColor = htmlspecialchars($_GET['lineColor']);
if (1 === preg_match('/^[a-fA-F0-9]{3,6}/', $lineColor)) {
//this is an HTML color
$lineColor = '#' . $lineColor;
}
} else {
$lineColor = $themes[$theme]['lineColor'];
}
echo str_replace('@lineColor', $lineColor, $result);
} else {
return false;
}
echo $result;
return true;
}