/**
* Draws Chart for PDF Report.
*
* Draws the sales and earnings chart for the PDF report and then retrieves the
* URL of that chart to display on the PDF Report.
*
* @since 1.1.4.0
* @uses GoogleChart
* @uses GoogleChartData
* @uses GoogleChartShapeMarker
* @uses GoogleChartTextMarker
* @uses GoogleChartAxis
* @return string $chart->getUrl() URL for the Google Chart
*/
function give_draw_chart_image()
{
require_once GIVE_PLUGIN_DIR . '/includes/libraries/googlechartlib/GoogleChart.php';
require_once GIVE_PLUGIN_DIR . '/includes/libraries/googlechartlib/markers/GoogleChartShapeMarker.php';
require_once GIVE_PLUGIN_DIR . '/includes/libraries/googlechartlib/markers/GoogleChartTextMarker.php';
$chart = new GoogleChart('lc', 900, 330);
$i = 1;
$earnings = "";
$sales = "";
while ($i <= 12) {
$earnings .= give_get_earnings_by_date(null, $i, date('Y')) . ",";
$sales .= give_get_sales_by_date(null, $i, date('Y')) . ",";
$i++;
}
$earnings_array = explode(",", $earnings);
$sales_array = explode(",", $sales);
$i = 0;
while ($i <= 11) {
if (empty($sales_array[$i])) {
$sales_array[$i] = 0;
}
$i++;
}
$min_earnings = 0;
$max_earnings = max($earnings_array);
$earnings_scale = round($max_earnings, -1);
$data = new GoogleChartData(array($earnings_array[0], $earnings_array[1], $earnings_array[2], $earnings_array[3], $earnings_array[4], $earnings_array[5], $earnings_array[6], $earnings_array[7], $earnings_array[8], $earnings_array[9], $earnings_array[10], $earnings_array[11]));
$data->setLegend(esc_html__('Income', 'give'));
$data->setColor('1b58a3');
$chart->addData($data);
$shape_marker = new GoogleChartShapeMarker(GoogleChartShapeMarker::CIRCLE);
$shape_marker->setColor('000000');
$shape_marker->setSize(7);
$shape_marker->setBorder(2);
$shape_marker->setData($data);
$chart->addMarker($shape_marker);
$value_marker = new GoogleChartTextMarker(GoogleChartTextMarker::VALUE);
$value_marker->setColor('000000');
$value_marker->setData($data);
$chart->addMarker($value_marker);
$data = new GoogleChartData(array($sales_array[0], $sales_array[1], $sales_array[2], $sales_array[3], $sales_array[4], $sales_array[5], $sales_array[6], $sales_array[7], $sales_array[8], $sales_array[9], $sales_array[10], $sales_array[11]));
$data->setLegend(esc_html__('Donations', 'give'));
$data->setColor('ff6c1c');
$chart->addData($data);
$chart->setTitle(esc_html__('Donations by Month for all Give Forms', 'give'), '336699', 18);
$chart->setScale(0, $max_earnings);
$y_axis = new GoogleChartAxis('y');
$y_axis->setDrawTickMarks(true)->setLabels(array(0, $max_earnings));
$chart->addAxis($y_axis);
$x_axis = new GoogleChartAxis('x');
$x_axis->setTickMarks(5);
$x_axis->setLabels(array(esc_html__('Jan', 'give'), esc_html__('Feb', 'give'), esc_html__('Mar', 'give'), esc_html__('Apr', 'give'), esc_html__('May', 'give'), esc_html__('June', 'give'), esc_html__('July', 'give'), esc_html__('Aug', 'give'), esc_html__('Sept', 'give'), esc_html__('Oct', 'give'), esc_html__('Nov', 'give'), esc_html__('Dec', 'give')));
$chart->addAxis($x_axis);
$shape_marker = new GoogleChartShapeMarker(GoogleChartShapeMarker::CIRCLE);
$shape_marker->setSize(6);
$shape_marker->setBorder(2);
$shape_marker->setData($data);
$chart->addMarker($shape_marker);
$value_marker = new GoogleChartTextMarker(GoogleChartTextMarker::VALUE);
$value_marker->setData($data);
$chart->addMarker($value_marker);
return $chart->getUrl();
}
function sparklines()
{
$values = array(34, 18, 21, 70, 53, 39, 39, 30, 13, 15, 24, 78, 85, 88, 74, 98, 44, 16, 16, 33, 50, 47, 55, 20, 20, 28, 44);
$chart = new GoogleChart('ls', 75, 30);
$chart->setFill('73A2BD');
$data = new GoogleChartData($values);
$data->setThickness(1);
$data->setColor('C02942');
$data->setFill('D95B43');
$chart->addData($data);
return $chart->getUrl();
}