/**
* Calculates the image container properties so that it can be rendered correctly.
* @param int $imagecontainerwidth The width of the container.
* @param int $imagecontainerratio The ratio array index of the container, see: $imagecontainerratios.
* @param int $borderwidth The width of the border.
* @return array with the key => value of 'height' for the container and 'margin-top' and 'margin-left' for the new activity
* image.
*/
public function calculate_image_container_properties($imagecontainerwidth, $imagecontainerratio, $borderwidth)
{
if ($imagecontainerwidth !== self::$currentwidth || $imagecontainerratio !== self::$currentratio || $borderwidth !== self::$currentborderwidth) {
$height = $this->calculate_height($imagecontainerwidth, $imagecontainerratio);
// margin-top = image holder height - ( image height - border width)).
// margin-left = (image holder width - image width) + border width.
$result = array('height' => $height, 'margin-top' => $height - (42 - $borderwidth), 'margin-left' => $imagecontainerwidth - 95 + $borderwidth);
// Store:...
self::$currentwidth = $imagecontainerwidth;
self::$currentratio = $imagecontainerratio;
self::$currentborderwidth = $borderwidth;
self::$currentheight = $result['height'];
self::$activitymargintop = $result['margin-top'];
self::$activitymarginleft = $result['margin-left'];
} else {
$result = array('height' => self::$currentheight, 'margin-top' => self::$activitymargintop, 'margin-left' => self::$activitymarginleft);
}
return $result;
}