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<?php
/**
* DOMPDF - PHP5 HTML to PDF renderer
*
* File: $RCSfile: renderer.cls.php,v $
* Created on: 2004-06-03
*
* Copyright (c) 2004 - Benj Carson <benjcarson@digitaljunkies.ca>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library in the file LICENSE.LGPL; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*
* Alternatively, you may distribute this software under the terms of the
* PHP License, version 3.0 or later. A copy of this license should have
* been distributed with this file in the file LICENSE.PHP . If this is not
* the case, you can obtain a copy at http://www.php.net/license/3_0.txt.
*
* The latest version of DOMPDF might be available at:
* http://www.digitaljunkies.ca/dompdf
*
* @link http://www.digitaljunkies.ca/dompdf
* @copyright 2004 Benj Carson
* @author Benj Carson <benjcarson@digitaljunkies.ca>
* @package dompdf
* @version 0.5.1
*/
/* $Id: renderer.cls.php,v 1.7 2006/07/07 21:31:04 benjcarson Exp $ */
/**
* Concrete renderer
*
* Instantiates several specific renderers in order to render any given
* frame.
*
* @access private
* @package dompdf
*/
class Renderer extends Abstract_Renderer {
/**
* Array of renderers for specific frame types
*
* @var array
*/
protected $_renderers;
/**
* Advance the canvas to the next page
*/
function new_page() {
$this->_canvas->new_page();
}
/**
* Render frames recursively
*
* @param Frame $frame the frame to render
*/
function render(Frame $frame) {
global $_dompdf_debug;
if ( $_dompdf_debug ) {
echo $frame;
flush();
}
$display = $frame->get_style()->display;
switch ($display) {
case "block":
case "inline-block":
case "table":
case "table-row-group":
case "table-header-group":
case "table-footer-group":
case "inline-table":
$this->_render_frame("block", $frame);
break;
case "inline":
if ( $frame->get_node()->nodeName == "#text" )
$this->_render_frame("text", $frame);
else
$this->_render_frame("inline", $frame);
break;
case "table-cell":
$this->_render_frame("table-cell", $frame);
break;
case "-dompdf-list-bullet":
$this->_render_frame("list-bullet", $frame);
break;
case "-dompdf-image":
$this->_render_frame("image", $frame);
break;
case "none":
$node = $frame->get_node();
if ( $node->nodeName == "script" &&
( $node->getAttribute("type") == "text/php" ||
$node->getAttribute("language") == "php" ) ) {
// Evaluate embedded php scripts
$this->_render_frame("php", $frame);
}
// Don't render children, so skip to next iter
return;
default:
break;
}
foreach ($frame->get_children() as $child)
$this->render($child);
}
/**
* Render a single frame
*
* Creates Renderer objects on demand
*
* @param string $type type of renderer to use
* @param Frame $frame the frame to render
*/
protected function _render_frame($type, $frame) {
if ( !isset($this->_renderers[$type]) ) {
switch ($type) {
case "block":
$this->_renderers["block"] = new Block_Renderer($this->_dompdf);
break;
case "inline":
$this->_renderers["inline"] = new Inline_Renderer($this->_dompdf);
break;
case "text":
$this->_renderers["text"] = new Text_Renderer($this->_dompdf);
break;
case "image":
$this->_renderers["image"] = new Image_Renderer($this->_dompdf);
break;
case "table-cell":
$this->_renderers["table-cell"] = new Table_Cell_Renderer($this->_dompdf);
break;
case "list-bullet":
$this->_renderers["list-bullet"] = new List_Bullet_Renderer($this->_dompdf);
break;
case "php":
$this->_renderers["php"] = new PHP_Evaluator($this->_canvas);
break;
}
}
$this->_renderers[$type]->render($frame);
}
}
?>