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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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