icingaweb2/library/vendor/dompdf/include/inline_renderer.cls.php

191 lines
7.3 KiB
PHP

<?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
*/
/**
* Renders inline frames
*
* @access private
* @package dompdf
*/
class Inline_Renderer extends Abstract_Renderer {
//........................................................................
function render(Frame $frame) {
$style = $frame->get_style();
if ( !$frame->get_first_child() )
return; // No children, no service
// Draw the left border if applicable
$bp = $style->get_border_properties();
$widths = array($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"]));
// Draw the background & border behind each child. To do this we need
// to figure out just how much space each child takes:
list($x, $y) = $frame->get_first_child()->get_position();
$w = null;
$h = 0;
// $x += $widths[3];
// $y += $widths[0];
$this->_set_opacity( $frame->get_opacity( $style->opacity ) );
$first_row = true;
foreach ($frame->get_children() as $child) {
list($child_x, $child_y, $child_w, $child_h) = $child->get_padding_box();
if ( !is_null($w) && $child_x < $x + $w ) {
//This branch seems to be supposed to being called on the first part
//of an inline html element, and the part after the if clause for the
//parts after a line break.
//But because $w initially mostly is 0, and gets updated only on the next
//round, this seem to be never executed and the common close always.
// The next child is on another line. Draw the background &
// borders on this line.
// Background:
if ( ($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 this is the first row, draw the left border
if ( $first_row ) {
if ( $bp["left"]["style"] !== "none" && $bp["left"]["color"] !== "transparent" && $bp["left"]["width"] > 0 ) {
$method = "_border_" . $bp["left"]["style"];
$this->$method($x, $y, $h + $widths[0] + $widths[2], $bp["left"]["color"], $widths, "left");
}
$first_row = false;
}
// Draw the top & bottom borders
if ( $bp["top"]["style"] !== "none" && $bp["top"]["color"] !== "transparent" && $bp["top"]["width"] > 0 ) {
$method = "_border_" . $bp["top"]["style"];
$this->$method($x, $y, $w + $widths[1] + $widths[3], $bp["top"]["color"], $widths, "top");
}
if ( $bp["bottom"]["style"] !== "none" && $bp["bottom"]["color"] !== "transparent" && $bp["bottom"]["width"] > 0 ) {
$method = "_border_" . $bp["bottom"]["style"];
$this->$method($x, $y + $h + $widths[0] + $widths[2], $w + $widths[1] + $widths[3], $bp["bottom"]["color"], $widths, "bottom");
}
// Handle anchors & links
$link_node = null;
if ( $frame->get_node()->nodeName === "a" ) {
$link_node = $frame->get_node();
}
else if ( $frame->get_parent()->get_node()->nodeName === "a" ){
$link_node = $frame->get_parent()->get_node();
}
if ( $link_node && $href = $link_node->getAttribute("href") ) {
$this->_canvas->add_link($href, $x, $y, $w, $h);
}
$x = $child_x;
$y = $child_y;
$w = $child_w;
$h = $child_h;
continue;
}
if ( is_null($w) )
$w = $child_w;
else
$w += $child_w;
$h = max($h, $child_h);
if (DEBUG_LAYOUT && DEBUG_LAYOUT_INLINE) {
$this->_debug_layout($child->get_border_box(), "blue");
if (DEBUG_LAYOUT_PADDINGBOX) {
$this->_debug_layout($child->get_padding_box(), "blue", array(0.5, 0.5));
}
}
}
// Handle the last child
if ( ($bg = $style->background_color) !== "transparent" )
$this->_canvas->filled_rectangle( $x + $widths[3], $y + $widths[0], $w, $h, $bg);
//On continuation lines (after line break) of inline elements, the style got copied.
//But a non repeatable background image should not be repeated on the next line.
//But removing the background image above has never an effect, and removing it below
//removes it always, even on the initial line.
//Need to handle it elsewhere, e.g. on certain ...clone()... usages.
// Repeat not given: default is Style::__construct
// ... && (!($repeat = $style->background_repeat) || $repeat === "repeat" ...
//different position? $this->_background_image($url, $x, $y, $w, $h, $style);
if ( ($url = $style->background_image) && $url !== "none" )
$this->_background_image($url, $x + $widths[3], $y + $widths[0], $w, $h, $style);
// Add the border widths
$w += $widths[1] + $widths[3];
$h += $widths[0] + $widths[2];
// make sure the border and background start inside the left margin
$left_margin = $style->length_in_pt($style->margin_left);
$x += $left_margin;
// If this is the first row, draw the left border too
if ( $first_row && $bp["left"]["style"] !== "none" && $bp["left"]["color"] !== "transparent" && $widths[3] > 0 ) {
$method = "_border_" . $bp["left"]["style"];
$this->$method($x, $y, $h, $bp["left"]["color"], $widths, "left");
}
// Draw the top & bottom borders
if ( $bp["top"]["style"] !== "none" && $bp["top"]["color"] !== "transparent" && $widths[0] > 0 ) {
$method = "_border_" . $bp["top"]["style"];
$this->$method($x, $y, $w, $bp["top"]["color"], $widths, "top");
}
if ( $bp["bottom"]["style"] !== "none" && $bp["bottom"]["color"] !== "transparent" && $widths[2] > 0 ) {
$method = "_border_" . $bp["bottom"]["style"];
$this->$method($x, $y + $h, $w, $bp["bottom"]["color"], $widths, "bottom");
}
// pre_var_dump(get_class($frame->get_next_sibling()));
// $last_row = get_class($frame->get_next_sibling()) !== 'Inline_Frame_Decorator';
// Draw the right border if this is the last row
if ( $bp["right"]["style"] !== "none" && $bp["right"]["color"] !== "transparent" && $widths[1] > 0 ) {
$method = "_border_" . $bp["right"]["style"];
$this->$method($x + $w, $y, $h, $bp["right"]["color"], $widths, "right");
}
// Only two levels of links frames
$link_node = null;
if ( $frame->get_node()->nodeName === "a" ) {
$link_node = $frame->get_node();
if ( ($name = $link_node->getAttribute("name")) || ($name = $link_node->getAttribute("id")) ) {
$this->_canvas->add_named_dest($name);
}
}
if ( $frame->get_parent() && $frame->get_parent()->get_node()->nodeName === "a" ){
$link_node = $frame->get_parent()->get_node();
}
// Handle anchors & links
if ( $link_node ) {
if ( $href = $link_node->getAttribute("href") )
$this->_canvas->add_link($href, $x, $y, $w, $h);
}
}
}