vendor/dompdf/dompdf/src/Renderer/TableCell.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\Renderer;
   9
  10 use Dompdf\Frame;
  11 use Dompdf\FrameDecorator\Table;
  12
  13 /**
  14  * Renders table cells
  15  *
  16  * @package dompdf
  17  */
  18 class TableCell extends Block
  19 {
  20
  21     /**
  22      * @param Frame $frame
  23      */
  24     function render(Frame $frame)
  25     {
  26         $style = $frame->get_style();
  27
  28         if (trim($frame->get_node()->nodeValue) === "" && $style->empty_cells === "hide") {
  29             return;
  30         }
  31
  32         $this->_set_opacity($frame->get_opacity($style->opacity));
  33         list($x, $y, $w, $h) = $frame->get_border_box();
  34
  35         // Draw our background, border and content
  36         if (($bg = $style->background_color) !== "transparent") {
  37             $this->_canvas->filled_rectangle($x, $y, (float)$w, (float)$h, $bg);
  38         }
  39
  40         if (($url = $style->background_image) && $url !== "none") {
  41             $this->_background_image($url, $x, $y, $w, $h, $style);
  42         }
  43
  44         $table = Table::find_parent_table($frame);
  45
  46         if ($table->get_style()->border_collapse !== "collapse") {
  47             $this->_render_border($frame);
  48             $this->_render_outline($frame);
  49             return;
  50         }
  51
  52         // The collapsed case is slightly complicated...
  53         // @todo Add support for outlines here
  54
  55         $cellmap = $table->get_cellmap();
  56         $cells = $cellmap->get_spanned_cells($frame);
  57
  58         if (is_null($cells)) {
  59             return;
  60         }
  61
  62         $num_rows = $cellmap->get_num_rows();
  63         $num_cols = $cellmap->get_num_cols();
  64
  65         // Determine the top row spanned by this cell
  66         $i = $cells["rows"][0];
  67         $top_row = $cellmap->get_row($i);
  68
  69         // Determine if this cell borders on the bottom of the table.  If so,
  70         // then we draw its bottom border.  Otherwise the next row down will
  71         // draw its top border instead.
  72         if (in_array($num_rows - 1, $cells["rows"])) {
  73             $draw_bottom = true;
  74             $bottom_row = $cellmap->get_row($num_rows - 1);
  75         } else {
  76             $draw_bottom = false;
  77         }
  78
  79         // Draw the horizontal borders
  80         foreach ($cells["columns"] as $j) {
  81             $bp = $cellmap->get_border_properties($i, $j);
  82
  83             $y = $top_row["y"] - $bp["top"]["width"] / 2;
  84
  85             $col = $cellmap->get_column($j);
  86             $x = $col["x"] - $bp["left"]["width"] / 2;
  87             $w = $col["used-width"] + ($bp["left"]["width"] + $bp["right"]["width"]) / 2;
  88
  89             if ($bp["top"]["style"] !== "none" && $bp["top"]["width"] > 0) {
  90                 $widths = array(
  91                     (float)$bp["top"]["width"],
  92                     (float)$bp["right"]["width"],
  93                     (float)$bp["bottom"]["width"],
  94                     (float)$bp["left"]["width"]
  95                 );
  96                 $method = "_border_" . $bp["top"]["style"];
  97                 $this->$method($x, $y, $w, $bp["top"]["color"], $widths, "top", "square");
  98             }
  99
 100             if ($draw_bottom) {
 101                 $bp = $cellmap->get_border_properties($num_rows - 1, $j);
 102                 if ($bp["bottom"]["style"] === "none" || $bp["bottom"]["width"] <= 0) {
 103                     continue;
 104                 }
 105
 106                 $y = $bottom_row["y"] + $bottom_row["height"] + $bp["bottom"]["width"] / 2;
 107
 108                 $widths = array(
 109                     (float)$bp["top"]["width"],
 110                     (float)$bp["right"]["width"],
 111                     (float)$bp["bottom"]["width"],
 112                     (float)$bp["left"]["width"]
 113                 );
 114                 $method = "_border_" . $bp["bottom"]["style"];
 115                 $this->$method($x, $y, $w, $bp["bottom"]["color"], $widths, "bottom", "square");
 116
 117             }
 118         }
 119
 120         $j = $cells["columns"][0];
 121
 122         $left_col = $cellmap->get_column($j);
 123
 124         if (in_array($num_cols - 1, $cells["columns"])) {
 125             $draw_right = true;
 126             $right_col = $cellmap->get_column($num_cols - 1);
 127         } else {
 128             $draw_right = false;
 129         }
 130
 131         // Draw the vertical borders
 132         foreach ($cells["rows"] as $i) {
 133             $bp = $cellmap->get_border_properties($i, $j);
 134
 135             $x = $left_col["x"] - $bp["left"]["width"] / 2;
 136
 137             $row = $cellmap->get_row($i);
 138
 139             $y = $row["y"] - $bp["top"]["width"] / 2;
 140             $h = $row["height"] + ($bp["top"]["width"] + $bp["bottom"]["width"]) / 2;
 141
 142             if ($bp["left"]["style"] !== "none" && $bp["left"]["width"] > 0) {
 143                 $widths = array(
 144                     (float)$bp["top"]["width"],
 145                     (float)$bp["right"]["width"],
 146                     (float)$bp["bottom"]["width"],
 147                     (float)$bp["left"]["width"]
 148                 );
 149
 150                 $method = "_border_" . $bp["left"]["style"];
 151                 $this->$method($x, $y, $h, $bp["left"]["color"], $widths, "left", "square");
 152             }
 153
 154             if ($draw_right) {
 155                 $bp = $cellmap->get_border_properties($i, $num_cols - 1);
 156                 if ($bp["right"]["style"] === "none" || $bp["right"]["width"] <= 0) {
 157                     continue;
 158                 }
 159
 160                 $x = $right_col["x"] + $right_col["used-width"] + $bp["right"]["width"] / 2;
 161
 162                 $widths = array(
 163                     (float)$bp["top"]["width"],
 164                     (float)$bp["right"]["width"],
 165                     (float)$bp["bottom"]["width"],
 166                     (float)$bp["left"]["width"]
 167                 );
 168
 169                 $method = "_border_" . $bp["right"]["style"];
 170                 $this->$method($x, $y, $h, $bp["right"]["color"], $widths, "right", "square");
 171             }
 172         }
 173
 174         $id = $frame->get_node()->getAttribute("id");
 175         if (strlen($id) > 0)  {
 176             $this->_canvas->add_named_dest($id);
 177         }
 178     }
 179 }