vendor/dompdf/dompdf/src/FrameReflower/Inline.php

   1 <?php
   2 /**
   3  * @package dompdf
   4  * @link    http://dompdf.github.com/
   5  * @author  Benj Carson <benjcarson@digitaljunkies.ca>
   6  * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
   7  */
   8 namespace Dompdf\FrameReflower;
   9
  10 use Dompdf\Frame;
  11 use Dompdf\FrameDecorator\Block as BlockFrameDecorator;
  12 use Dompdf\FrameDecorator\Text as TextFrameDecorator;
  13
  14 /**
  15  * Reflows inline frames
  16  *
  17  * @package dompdf
  18  */
  19 class Inline extends AbstractFrameReflower
  20 {
  21
  22     /**
  23      * Inline constructor.
  24      * @param Frame $frame
  25      */
  26     function __construct(Frame $frame)
  27     {
  28         parent::__construct($frame);
  29     }
  30
  31     /**
  32      * @param BlockFrameDecorator|null $block
  33      */
  34     function reflow(BlockFrameDecorator $block = null)
  35     {
  36         $frame = $this->_frame;
  37
  38         // Check if a page break is forced
  39         $page = $frame->get_root();
  40         $page->check_forced_page_break($frame);
  41
  42         if ($page->is_full()) {
  43             return;
  44         }
  45
  46         $style = $frame->get_style();
  47
  48         // Generated content
  49         $this->_set_content();
  50
  51         $frame->position();
  52
  53         $cb = $frame->get_containing_block();
  54
  55         // Add our margin, padding & border to the first and last children
  56         if (($f = $frame->get_first_child()) && $f instanceof TextFrameDecorator) {
  57             $f_style = $f->get_style();
  58             $f_style->margin_left = $style->margin_left;
  59             $f_style->padding_left = $style->padding_left;
  60             $f_style->border_left = $style->border_left;
  61         }
  62
  63         if (($l = $frame->get_last_child()) && $l instanceof TextFrameDecorator) {
  64             $l_style = $l->get_style();
  65             $l_style->margin_right = $style->margin_right;
  66             $l_style->padding_right = $style->padding_right;
  67             $l_style->border_right = $style->border_right;
  68         }
  69
  70         if ($block) {
  71             $block->add_frame_to_line($this->_frame);
  72         }
  73
  74         // Set the containing blocks and reflow each child.  The containing
  75         // block is not changed by line boxes.
  76         foreach ($frame->get_children() as $child) {
  77             $child->set_containing_block($cb);
  78             $child->reflow($block);
  79         }
  80     }
  81
  82     /**
  83      * Determine current frame width based on contents
  84      *
  85      * @return float
  86      */
  87     public function calculate_auto_width()
  88     {
  89         $width = 0;
  90
  91         foreach ($this->_frame->get_children() as $child) {
  92             if ($child->get_original_style()->width == 'auto') {
  93                 $width += $child->calculate_auto_width();
  94             } else {
  95                 $width += $child->get_margin_width();
  96             }
  97         }
  98
  99         $this->_frame->get_style()->width = $width;
 100
 101         return $this->_frame->get_margin_width();
 102     }
 103 }