Viewing file:  Inline.php (4.23 KB) -rw-r--r--
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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\Renderer;
use Dompdf\Frame;
use Dompdf\Helpers;
/**
* Renders inline frames
*
* @package dompdf
*/
class Inline extends AbstractRenderer
{
function render(Frame $frame)
{
if (!$frame->get_first_child()) {
return; // No children, no service
}
$style = $frame->get_style();
$dompdf = $this->_dompdf;
$this->_set_opacity($frame->get_opacity($style->opacity));
$do_debug_layout_line = $dompdf->getOptions()->getDebugLayout()
&& $dompdf->getOptions()->getDebugLayoutInline();
// Draw the background & border behind each child. To do this we need
// to figure out just how much space each child takes:
[$x, $y] = $frame->get_first_child()->get_position();
[$w, $h] = $this->get_child_size($frame, $do_debug_layout_line);
[, , $cbw] = $frame->get_containing_block();
$margin_left = $style->length_in_pt($style->margin_left, $cbw);
$pt = $style->length_in_pt($style->padding_top, $cbw);
$pb = $style->length_in_pt($style->padding_bottom, $cbw);
// Make sure that border and background start inside the left margin
// Extend the drawn box by border and padding in vertical direction, as
// these do not affect layout
// FIXME: Using a small vertical offset of a fraction of the height here
// to work around the vertical position being slightly off in general
$x += $margin_left;
$y -= $style->border_top_width + $pt - ($h * 0.1);
$w += $style->border_left_width + $style->border_right_width;
$h += $style->border_top_width + $pt + $style->border_bottom_width + $pb;
$border_box = [$x, $y, $w, $h];
$this->_render_background($frame, $border_box);
$this->_render_border($frame, $border_box);
$this->_render_outline($frame, $border_box);
$node = $frame->get_node();
$id = $node->getAttribute("id");
if (strlen($id) > 0) {
$this->_canvas->add_named_dest($id);
}
// Only two levels of links frames
$is_link_node = $node->nodeName === "a";
if ($is_link_node) {
if (($name = $node->getAttribute("name"))) {
$this->_canvas->add_named_dest($name);
}
}
if ($frame->get_parent() && $frame->get_parent()->get_node()->nodeName === "a") {
$link_node = $frame->get_parent()->get_node();
}
// Handle anchors & links
if ($is_link_node) {
if ($href = $node->getAttribute("href")) {
$href = Helpers::build_url($dompdf->getProtocol(), $dompdf->getBaseHost(), $dompdf->getBasePath(), $href) ?? $href;
$this->_canvas->add_link($href, $x, $y, $w, $h);
}
}
}
protected function get_child_size(Frame $frame, bool $do_debug_layout_line): array
{
$w = 0.0;
$h = 0.0;
foreach ($frame->get_children() as $child) {
if ($child->get_node()->nodeValue === " " && $child->get_prev_sibling() && !$child->get_next_sibling()) {
break;
}
$style = $child->get_style();
$auto_width = $style->width === "auto";
$auto_height = $style->height === "auto";
[, , $child_w, $child_h] = $child->get_padding_box();
if ($auto_width || $auto_height) {
[$child_w2, $child_h2] = $this->get_child_size($child, $do_debug_layout_line);
if ($auto_width) {
$child_w = $child_w2;
}
if ($auto_height) {
$child_h = $child_h2;
}
}
$w += $child_w;
$h = max($h, $child_h);
if ($do_debug_layout_line) {
$this->_debug_layout($child->get_border_box(), "blue");
if ($this->_dompdf->getOptions()->getDebugLayoutPaddingBox()) {
$this->_debug_layout($child->get_padding_box(), "blue", [0.5, 0.5]);
}
}
}
return [$w, $h];
}
}
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