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<?php
/**
* @package dompdf
* @link https://github.com/dompdf/dompdf
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
*/
namespace Dompdf\FrameDecorator;
use Dompdf\Dompdf;
use Dompdf\Frame;
use Dompdf\Exception;
/**
* Decorates frames for inline layout
*
* @package dompdf
*/
class Inline extends AbstractFrameDecorator
{
/**
* Inline constructor.
* @param Frame $frame
* @param Dompdf $dompdf
*/
function __construct(Frame $frame, Dompdf $dompdf)
{
parent::__construct($frame, $dompdf);
}
/**
* Vertical padding, border, and margin do not apply when determining the
* height for inline frames.
*
* http://www.w3.org/TR/CSS21/visudet.html#inline-non-replaced
*
* The vertical padding, border and margin of an inline, non-replaced box
* start at the top and bottom of the content area, not the
* 'line-height'. But only the 'line-height' is used to calculate the
* height of the line box.
*
* @return float
*/
public function get_margin_height(): float
{
$style = $this->get_style();
$font = $style->font_family;
$size = $style->font_size;
$fontHeight = $this->_dompdf->getFontMetrics()->getFontHeight($font, $size);
return ($style->line_height / ($size > 0 ? $size : 1)) * $fontHeight;
}
public function split(?Frame $child = null, bool $page_break = false, bool $forced = false): void
{
if (is_null($child)) {
$this->get_parent()->split($this, $page_break, $forced);
return;
}
if ($child->get_parent() !== $this) {
throw new Exception("Unable to split: frame is not a child of this one.");
}
$this->revert_counter_increment();
$node = $this->_frame->get_node();
$split = $this->copy($node->cloneNode());
$style = $this->_frame->get_style();
$split_style = $split->get_style();
// Unset the current node's right style properties
$style->margin_right = 0.0;
$style->padding_right = 0.0;
$style->border_right_width = 0.0;
$style->border_top_right_radius = 0.0;
$style->border_bottom_right_radius = 0.0;
// Unset the split node's left style properties since we don't want them
// to propagate
$split_style->margin_left = 0.0;
$split_style->padding_left = 0.0;
$split_style->border_left_width = 0.0;
$split_style->border_top_left_radius = 0.0;
$split_style->border_bottom_left_radius = 0.0;
// If this is a generated node don't propagate the content style
if ($split->get_node()->nodeName == "dompdf_generated") {
$split_style->content = "normal";
}
//On continuation of inline element on next line,
//don't repeat non-horizontally repeatable background images
//See e.g. in testcase image_variants, long descriptions
if (($url = $style->background_image) && $url !== "none"
&& ($repeat = $style->background_repeat) && $repeat !== "repeat" && $repeat !== "repeat-x"
) {
$split_style->background_image = "none";
}
$this->get_parent()->insert_child_after($split, $this);
// Add $child and all following siblings to the new split node
$iter = $child;
while ($iter) {
$frame = $iter;
$iter = $iter->get_next_sibling();
$frame->reset();
$split->append_child($frame);
}
$parent = $this->get_parent();
if ($page_break) {
$parent->split($split, $page_break, $forced);
} elseif ($parent instanceof Inline) {
$parent->split($split);
}
}
}
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