/**
* Draws markers on the canvas
* @access private
*/
function _drawMarker()
{
if (($this->_marker) and ($this->_dataset)) {
$this->_dataset->_reset();
while ($point = $this->_dataset->_next()) {
$prevPoint = $this->_dataset->_nearby(-2);
$nextPoint = $this->_dataset->_nearby();
if ((!is_object($this->_dataSelector)) or ($this->_dataSelector->_select($point))) {
$point = $this->_getMarkerData($point, $nextPoint, $prevPoint, $i);
if (is_array($point)) {
$this->_marker->_drawMarker($point['MARKER_X'], $point['MARKER_Y'], $point);
}
}
}
}
}
/**
* Draws markers on the canvas
*
* @return void
* @access private
*/
function _drawMarker()
{
if ($this->_marker && is_array($this->_dataset)) {
$this->_canvas->startGroup(get_class($this) . '_marker');
$totals = $this->_getTotals();
$totals['WIDTH'] = $this->width() / ($this->_maximumX() + 2) / 2;
$number = 0;
$keys = array_keys($this->_dataset);
foreach ($keys as $key) {
$dataset =& $this->_dataset[$key];
$totals['MINIMUM_X'] = $dataset->minimumX();
$totals['MAXIMUM_X'] = $dataset->maximumX();
$totals['MINIMUM_Y'] = $dataset->minimumY();
$totals['MAXIMUM_Y'] = $dataset->maximumY();
$totals['NUMBER'] = $number++;
$dataset->_reset();
while ($point = $dataset->_next()) {
$prevPoint = $dataset->_nearby(-2);
$nextPoint = $dataset->_nearby();
$x = $point['X'];
$y = $point['Y'];
if ((!is_object($this->_dataSelector) || $this->_dataSelector->_select($point)) && $point['Y'] !== null) {
$point = $this->_getMarkerData($point, $nextPoint, $prevPoint, $totals);
if (is_array($point)) {
$this->_marker->_drawMarker($point['MARKER_X'], $point['MARKER_Y'], $point);
}
}
if (!isset($totals['SUM_Y'])) {
$totals['SUM_Y'] = array();
}
if (isset($totals['SUM_Y'][$x])) {
$totals['SUM_Y'][$x] += $y;
} else {
$totals['SUM_Y'][$x] = $y;
}
}
}
unset($keys);
$this->_canvas->endGroup();
}
}