Viewing file:  TableCell.php (8.01 KB) -rw-r--r--
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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
{
/**
* @param Frame $frame
*/
function render(Frame $frame)
{
$style = $frame->get_style();
if (trim($frame->get_node()->nodeValue) === "" && $style->empty_cells === "hide") {
return;
}
$id = $frame->get_node()->getAttribute("id");
if (strlen($id) > 0) {
$this->_canvas->add_named_dest($id);
}
$this->_set_opacity($frame->get_opacity($style->opacity));
list($x, $y, $w, $h) = $frame->get_border_box();
$table = Table::find_parent_table($frame);
if ($table->get_style()->border_collapse !== "collapse") {
if (($bg = $style->background_color) !== "transparent") {
$this->_canvas->filled_rectangle($x, $y, (float)$w, (float)$h, $bg);
}
if (($url = $style->background_image) && $url !== "none") {
$this->_background_image($url, $x, $y, $w, $h, $style);
}
$this->_render_border($frame);
$this->_render_outline($frame);
return;
}
// The collapsed case is slightly complicated...
// @todo Add support for outlines here
$background_position_x = $x; $background_position_y = $y; $background_width = (float)$w; $background_height = (float)$h;
$border_right_width = 0; $border_left_width = 0; $border_top_width = 0; $border_bottom_width = 0;
$border_right_length = 0; $border_left_length = 0; $border_top_length = 0; $border_bottom_length = 0;
$cellmap = $table->get_cellmap();
$cells = $cellmap->get_spanned_cells($frame);
if (is_null($cells)) {
return;
}
$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
$border_function_calls = [];
foreach ($cells["columns"] as $j) {
$bp = $cellmap->get_border_properties($i, $j);
$col = $cellmap->get_column($j);
$x = $col["x"] - $bp["left"]["width"] / 2;
$y = $top_row["y"] - $bp["top"]["width"] / 2;
$w = $col["used-width"] + ($bp["left"]["width"] + $bp["right"]["width"]) / 2;
if ($bp["top"]["width"] > 0) {
$widths = [
(float)$bp["top"]["width"],
(float)$bp["right"]["width"],
(float)$bp["bottom"]["width"],
(float)$bp["left"]["width"]
];
$border_top_width = max($border_top_width, $widths[0]);
$method = "_border_" . $bp["top"]["style"];
$border_function_calls[] = [$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"]["width"] <= 0) {
continue;
}
$widths = [
(float)$bp["top"]["width"],
(float)$bp["right"]["width"],
(float)$bp["bottom"]["width"],
(float)$bp["left"]["width"]
];
$y = $bottom_row["y"] + $bottom_row["height"] + $bp["bottom"]["width"] / 2;
$border_bottom_width = max($border_bottom_width, $widths[2]);
$method = "_border_" . $bp["bottom"]["style"];
$border_function_calls[] = [$method, [$x, $y, $w, $bp["bottom"]["color"], $widths, "bottom", "square"]];
} else {
$adjacent_bp = $cellmap->get_border_properties($i+1, $j);
$border_bottom_width = max($border_bottom_width, $adjacent_bp["top"]["width"]);
}
}
$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);
$row = $cellmap->get_row($i);
$x = $left_col["x"] - $bp["left"]["width"] / 2;
$y = $row["y"] - $bp["top"]["width"] / 2;
$h = $row["height"] + ($bp["top"]["width"] + $bp["bottom"]["width"]) / 2;
if ($bp["left"]["width"] > 0) {
$widths = [
(float)$bp["top"]["width"],
(float)$bp["right"]["width"],
(float)$bp["bottom"]["width"],
(float)$bp["left"]["width"]
];
$border_left_width = max($border_left_width, $widths[3]);
$method = "_border_" . $bp["left"]["style"];
$border_function_calls[] = [$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"]["width"] <= 0) {
continue;
}
$widths = [
(float)$bp["top"]["width"],
(float)$bp["right"]["width"],
(float)$bp["bottom"]["width"],
(float)$bp["left"]["width"]
];
$x = $right_col["x"] + $right_col["used-width"] + $bp["right"]["width"] / 2;
$border_right_width = max($border_right_width, $widths[1]);
$method = "_border_" . $bp["right"]["style"];
$border_function_calls[] = [$method, [$x, $y, $h, $bp["right"]["color"], $widths, "right", "square"]];
} else {
$adjacent_bp = $cellmap->get_border_properties($i, $j+1);
$border_right_width = max($border_right_width, $adjacent_bp["left"]["width"]);
}
}
// Draw our background, border and content
if (($bg = $style->background_color) !== "transparent") {
$this->_canvas->filled_rectangle(
$background_position_x + ($border_left_width/2),
$background_position_y + ($border_top_width/2),
(float)$background_width - (($border_left_width + $border_right_width)/2),
(float)$background_height - (($border_top_width + $border_bottom_width)/2),
$bg
);
}
if (($url = $style->background_image) && $url !== "none") {
$this->_background_image(
$url,
$background_position_x + ($border_left_width/2),
$background_position_y + ($border_top_width/2),
(float)$background_width - (($border_left_width + $border_right_width)/2),
(float)$background_height - (($border_top_width + $border_bottom_width)/2),
$style
);
}
foreach ($border_function_calls as $border_function_call_params)
{
call_user_func_array([$this, $border_function_call_params[0]], $border_function_call_params[1]);
}
}
}
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