function bestColor($bg, $lt = '#ffffff', $dk = '#000000')
{
if (empty($bg)) {
$bg = $lt;
}
$bg = str_replace('#', '', $bg);
$dk = str_replace('#', '', $dk);
$base = new CSS_Color($bg);
return '#' . $base->calcFG($bg, $dk);
}
function render(Frame $frame)
{
$style = $frame->get_style();
$node = $frame->get_node();
list($x, $y, $w, $h) = $frame->get_border_box();
$this->_set_opacity($frame->get_opacity($style->opacity));
if ($node->nodeName === "html") {
die('a');
}
if ($node->nodeName === "body") {
$h = $frame->get_containing_block("h") - $style->length_in_pt(array($style->margin_top, $style->border_top_width, $style->border_bottom_width, $style->margin_bottom), $style->width);
if (($bg = $style->_dompdf_paper_color) !== "white") {
$ph = $this->_canvas->get_height();
$pw = $this->_canvas->get_width();
$this->_canvas->filled_rectangle(0, 0, $pw, $ph, CSS_Color::parse($bg));
}
}
// Handle anchors & links
if ($node->nodeName === "a" && ($href = $node->getAttribute("href"))) {
$this->_canvas->add_link($href, $x, $y, $w, $h);
}
// Draw our background, border and content
list($tl, $tr, $br, $bl) = $style->get_computed_border_radius($w, $h);
if ($tl + $tr + $br + $bl > 0) {
$this->_canvas->clipping_roundrectangle($x, $y, $w, $h, $tl, $tr, $br, $bl);
}
if (($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, $style);
}
if ($tl + $tr + $br + $bl > 0) {
$this->_canvas->clipping_end();
}
$border_box = array($x, $y, $w, $h);
$this->_render_border($frame, $border_box);
$this->_render_outline($frame, $border_box);
if (DEBUG_LAYOUT && DEBUG_LAYOUT_BLOCKS) {
$this->_debug_layout($frame->get_border_box(), "red");
if (DEBUG_LAYOUT_PADDINGBOX) {
$this->_debug_layout($frame->get_padding_box(), "red", array(0.5, 0.5));
}
}
if (DEBUG_LAYOUT && DEBUG_LAYOUT_LINES && $frame->get_decorator()) {
foreach ($frame->get_decorator()->get_line_boxes() as $line) {
$frame->_debug_layout(array($line->x, $line->y, $line->w, $line->h), "orange");
}
}
}
/**
* Returns an array(r, g, b, "r"=> r, "g"=>g, "b"=>b, "hex"=>"#rrggbb")
* based on the provided CSS color value.
*
* @param string $color
* @return array
*/
function munge_color($color)
{
return CSS_Color::parse($color);
}
protected function _debug_layout($box, $color = "red", $style = array())
{
$this->_canvas->rectangle($box[0], $box[1], $box[2], $box[3], CSS_Color::parse($color), 0.1, $style);
}
