Method getSize

public static function getSize()
{
    $paramsC = ComponentHelper::getParams('com_phocagallery');
    $lw = $paramsC->get('large_image_width', 640);
    $mw = $paramsC->get('medium_image_width', 256);
    $sw = $paramsC->get('small_image_width', 128);
    $crop = $paramsC->get('crop_thumbnail', 5);
    // Small Crop
    if ($crop == 3 || $crop == 5 || $crop == 6 || $crop == 7) {
        $tbS = 'b';
    } else {
        $tbS = 't';
    }
    // Medium Crop
    if ($crop == 2 || $crop == 4 || $crop == 5 || $crop == 7) {
        $tbM = 'b';
    } else {
        $tbM = 't';
    }
    $iL = array('l' => 640, 'h' => 1024);
    $iM = array($tbM => 160, 'm' => 320, 'l' => 640, 'h' => 1024);
    $iS = array($tbS => 160);
    $sizes = array();
    $sizes['s'][0] = $tbS;
    // default
    $sizes['s'][1] = 160;
    // default
    $sizes['m'][0] = 'l';
    // default
    $sizes['m'][1] = 640;
    // default
    foreach ($iM as $k => $v) {
        if ($v >= $mw) {
            $sizes['m'][0] = $k;
            $sizes['m'][1] = $v;
            break;
        }
    }
    $sizes['l'][0] = 'h';
    // default
    $sizes['l'][1] = '1024';
    // default
    foreach ($iL as $k => $v) {
        if ($v >= $lw) {
            $sizes['l'][0] = $k;
            $sizes['l'][1] = $v;
            break;
        }
    }
    return $sizes;
}