* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License */ /** * Renders table cells * * @access private * @package dompdf */ class Table_Cell_Renderer extends Block_Renderer { //........................................................................ 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); } $table = Table_Frame_Decorator::find_parent_table($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"); } } } }