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<?php
/**
* @package dompdf
* @link http://dompdf.github.com/
* @author Benj Carson <benjcarson@digitaljunkies.ca>
* @author Helmut Tischer <htischer@weihenstephan.org>
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
*/
namespace Dompdf\FrameDecorator;
use Dompdf\Dompdf;
use Dompdf\Frame;
/**
* Decorates frames for list bullet rendering
*
* @package dompdf
*/
class ListBullet extends AbstractFrameDecorator
{
const BULLET_PADDING = 1; // Distance from bullet to text in pt
// As fraction of font size (including descent). See also DECO_THICKNESS.
const BULLET_THICKNESS = 0.04; // Thickness of bullet outline. Screen: 0.08, print: better less, e.g. 0.04
const BULLET_DESCENT = 0.3; //descent of font below baseline. Todo: Guessed for now.
const BULLET_SIZE = 0.35; // bullet diameter. For now 0.5 of font_size without descent.
static $BULLET_TYPES = array("disc", "circle", "square");
/**
* ListBullet constructor.
* @param Frame $frame
* @param Dompdf $dompdf
*/
function __construct(Frame $frame, Dompdf $dompdf)
{
parent::__construct($frame, $dompdf);
}
/**
* @return float|int
*/
function get_margin_width()
{
$style = $this->_frame->get_style();
// Small hack to prevent extra indenting of list text on list_style_position === "inside"
// and on suppressed bullet
if ($style->list_style_position === "outside" ||
$style->list_style_type === "none"
) {
return 0;
}
return $style->get_font_size() * self::BULLET_SIZE + 2 * self::BULLET_PADDING;
}
/**
* hits only on "inset" lists items, to increase height of box
*
* @return float|int
*/
function get_margin_height()
{
$style = $this->_frame->get_style();
if ($style->list_style_type === "none") {
return 0;
}
return $style->get_font_size() * self::BULLET_SIZE + 2 * self::BULLET_PADDING;
}
/**
* @return float|int
*/
function get_width()
{
return $this->get_margin_height();
}
/**
* @return float|int
*/
function get_height()
{
return $this->get_margin_height();
}
//........................................................................
}
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