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<?php
/**
* @package dompdf
* @link http://www.dompdf.com/
* @author Benj Carson <benjcarson@digitaljunkies.ca>
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
* @version $Id: block_renderer.cls.php 448 2011-11-13 13:00:03Z fabien.menager $
*/
/**
* Renders block frames
*
* @access private
* @package dompdf
*/
class Block_Renderer extends Abstract_Renderer {
//........................................................................
function render(Frame $frame) {
$style = $frame->get_style();
list($x, $y, $w, $h) = $frame->get_border_box();
$this->_set_opacity( $frame->get_opacity( $style->opacity ) );
if ( $frame->get_node()->nodeName === "body" ) {
$h = $frame->get_containing_block("h") - $style->length_in_pt(array(
$style->margin_top,
$style->padding_top,
$style->border_top_width,
$style->border_bottom_width,
$style->padding_bottom,
$style->margin_bottom),
$style->width);
}
// Draw our background, border and content
if ( ($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);
$this->_render_border($frame);
$this->_render_outline($frame);
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");
}
}
}
protected function _render_border(Frame_Decorator $frame, $corner_style = "bevel") {
$style = $frame->get_style();
$bbox = $frame->get_border_box();
$bp = $style->get_border_properties();
// If all the borders are "solid" with the same color and style, we'd better draw a rectangle
if (
in_array($bp["top"]["style"], array("solid", "dashed", "dotted")) &&
$bp["top"] == $bp["right"] &&
$bp["right"] == $bp["bottom"] &&
$bp["bottom"] == $bp["left"]
) {
$props = $bp["top"];
if ( $props["color"] === "transparent" || $props["width"] <= 0 ) return;
list($x, $y, $w, $h) = $bbox;
$width = $style->length_in_pt($props["width"]);
$pattern = $this->_get_dash_pattern($props["style"], $width);
$this->_canvas->rectangle($x + $width / 2, $y + $width / 2, $w - $width, $h - $width, $props["color"], $width, $pattern);
return;
}
$widths = array($style->length_in_pt($bp["top"]["width"]),
$style->length_in_pt($bp["right"]["width"]),
$style->length_in_pt($bp["bottom"]["width"]),
$style->length_in_pt($bp["left"]["width"]));
foreach ($bp as $side => $props) {
list($x, $y, $w, $h) = $bbox;
if ( !$props["style"] ||
$props["style"] === "none" ||
$props["width"] <= 0 ||
$props["color"] == "transparent" )
continue;
switch($side) {
case "top":
$length = $w;
break;
case "bottom":
$length = $w;
$y += $h;
break;
case "left":
$length = $h;
break;
case "right":
$length = $h;
$x += $w;
break;
default:
break;
}
$method = "_border_" . $props["style"];
$this->$method($x, $y, $length, $props["color"], $widths, $side, $corner_style);
}
}
protected function _render_outline(Frame_Decorator $frame, $corner_style = "bevel") {
$style = $frame->get_style();
$props = array(
"width" => $style->outline_width,
"style" => $style->outline_style,
"color" => $style->outline_color,
);
if ( !$props["style"] || $props["style"] === "none" || $props["width"] <= 0 )
return;
$bbox = $frame->get_border_box();
$offset = $style->length_in_pt($props["width"]);
$pattern = $this->_get_dash_pattern($props["style"], $offset);
// If the outline style is "solid" we'd better draw a rectangle
if ( in_array($props["style"], array("solid", "dashed", "dotted")) ) {
$bbox[0] -= $offset / 2;
$bbox[1] -= $offset / 2;
$bbox[2] += $offset;
$bbox[3] += $offset;
list($x, $y, $w, $h) = $bbox;
$this->_canvas->rectangle($x, $y, $w, $h, $props["color"], $offset, $pattern);
return;
}
$bbox[0] -= $offset;
$bbox[1] -= $offset;
$bbox[2] += $offset * 2;
$bbox[3] += $offset * 2;
$method = "_border_" . $props["style"];
$widths = array_fill(0, 4, $props["width"]);
$sides = array("top", "right", "left", "bottom");
foreach ($sides as $side) {
list($x, $y, $w, $h) = $bbox;
switch($side) {
case "top":
$length = $w;
break;
case "bottom":
$length = $w;
$y += $h;
break;
case "left":
$length = $h;
break;
case "right":
$length = $h;
$x += $w;
break;
default:
break;
}
$this->$method($x, $y, $length, $props["color"], $widths, $side, $corner_style);
}
}
}