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<?php /** * @package dompdf * @link http://dompdf.github.com/ * @author Benj Carson <benjcarson@digitaljunkies.ca> * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License */ namespace Dompdf\Renderer; use Dompdf\Frame; use Dompdf\FrameDecorator\Table; /** * Renders table cells * * @package dompdf */ class TableCell extends Block { //........................................................................ function render(Frame $frame) { $style = $frame->get_style(); if (trim($frame->get_node()->nodeValue) === "" && $style->empty_cells === "hide") { return; } $this->_set_opacity($frame->get_opacity($style->opacity)); list($x, $y, $w, $h) = $frame->get_border_box(); // Draw our background, border and content if (($bg = $style->background_color) !== "transparent") { $this->_canvas->filled_rectangle($x, $y, $w, $h, $bg); } if (($url = $style->background_image) && $url !== "none") { $this->_background_image($url, $x, $y, $w, $h, $style); } $table = Table::find_parent_table($frame); if ($table->get_style()->border_collapse !== "collapse") { $this->_render_border($frame); $this->_render_outline($frame); return; } // The collapsed case is slightly complicated... // @todo Add support for outlines here $cellmap = $table->get_cellmap(); $cells = $cellmap->get_spanned_cells($frame); $num_rows = $cellmap->get_num_rows(); $num_cols = $cellmap->get_num_cols(); // Determine the top row spanned by this cell $i = $cells["rows"][0]; $top_row = $cellmap->get_row($i); // Determine if this cell borders on the bottom of the table. If so, // then we draw its bottom border. Otherwise the next row down will // draw its top border instead. if (in_array($num_rows - 1, $cells["rows"])) { $draw_bottom = true; $bottom_row = $cellmap->get_row($num_rows - 1); } else $draw_bottom = false; // Draw the horizontal borders foreach ($cells["columns"] as $j) { $bp = $cellmap->get_border_properties($i, $j); $y = $top_row["y"] - $bp["top"]["width"] / 2; $col = $cellmap->get_column($j); $x = $col["x"] - $bp["left"]["width"] / 2; $w = $col["used-width"] + ($bp["left"]["width"] + $bp["right"]["width"]) / 2; if ($bp["top"]["style"] !== "none" && $bp["top"]["width"] > 0) { $widths = array($bp["top"]["width"], $bp["right"]["width"], $bp["bottom"]["width"], $bp["left"]["width"]); $method = "_border_" . $bp["top"]["style"]; $this->$method($x, $y, $w, $bp["top"]["color"], $widths, "top", "square"); } if ($draw_bottom) { $bp = $cellmap->get_border_properties($num_rows - 1, $j); if ($bp["bottom"]["style"] === "none" || $bp["bottom"]["width"] <= 0) continue; $y = $bottom_row["y"] + $bottom_row["height"] + $bp["bottom"]["width"] / 2; $widths = array($bp["top"]["width"], $bp["right"]["width"], $bp["bottom"]["width"], $bp["left"]["width"]); $method = "_border_" . $bp["bottom"]["style"]; $this->$method($x, $y, $w, $bp["bottom"]["color"], $widths, "bottom", "square"); } } $j = $cells["columns"][0]; $left_col = $cellmap->get_column($j); if (in_array($num_cols - 1, $cells["columns"])) { $draw_right = true; $right_col = $cellmap->get_column($num_cols - 1); } else $draw_right = false; // Draw the vertical borders foreach ($cells["rows"] as $i) { $bp = $cellmap->get_border_properties($i, $j); $x = $left_col["x"] - $bp["left"]["width"] / 2; $row = $cellmap->get_row($i); $y = $row["y"] - $bp["top"]["width"] / 2; $h = $row["height"] + ($bp["top"]["width"] + $bp["bottom"]["width"]) / 2; if ($bp["left"]["style"] !== "none" && $bp["left"]["width"] > 0) { $widths = array($bp["top"]["width"], $bp["right"]["width"], $bp["bottom"]["width"], $bp["left"]["width"]); $method = "_border_" . $bp["left"]["style"]; $this->$method($x, $y, $h, $bp["left"]["color"], $widths, "left", "square"); } if ($draw_right) { $bp = $cellmap->get_border_properties($i, $num_cols - 1); if ($bp["right"]["style"] === "none" || $bp["right"]["width"] <= 0) continue; $x = $right_col["x"] + $right_col["used-width"] + $bp["right"]["width"] / 2; $widths = array($bp["top"]["width"], $bp["right"]["width"], $bp["bottom"]["width"], $bp["left"]["width"]); $method = "_border_" . $bp["right"]["style"]; $this->$method($x, $y, $h, $bp["right"]["color"], $widths, "right", "square"); } } } }
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