<?php
  /**
   * DOMPDF - PHP5 HTML to PDF renderer
   *
   * File: $RCSfile: image_renderer.cls.php,v $
   * Created on: 2004-08-04
   *
   * 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.dompdf.com/
   *
   * @link http://www.dompdf.com/
   * @copyright 2004 Benj Carson
   * @author Benj Carson <benjcarson@digitaljunkies.ca>
   * @package dompdf
  
   */
  
  /* $Id: image_renderer.cls.php 325 2010-11-07 18:05:59Z fabien.menager $ */
  
  /**
   * Image renderer
   *
   * @access private
   * @package dompdf
   */
  class Image_Renderer extends Block_Renderer {
  
    function render(Frame $frame) {
      // Render background & borders
      $style = $frame->get_style();
      $cb = $frame->get_containing_block();
      list($x, $y, $w, $h) = $frame->get_border_box();
    
      $this->_set_opacity( $frame->get_opacity( $style->opacity ) );  
  
      // Handle the last child
      if ( ($bg = $style->background_color) !== "transparent" ) 
        $this->_canvas->filled_rectangle( $x + $widths[3], $y + $widths[0], $w, $h, $bg);
  
      if ( ($url = $style->background_image) && $url !== "none" )           
        $this->_background_image($url, $x + $widths[3], $y + $widths[0], $w, $h, $style);
      
      $this->_render_border($frame);
      $this->_render_outline($frame);
      
      list($x, $y) = $frame->get_padding_box();
      $x += $style->length_in_pt($style->padding_left, $cb["w"]);
      $y += $style->length_in_pt($style->padding_top, $cb["h"]);
      
      $w = $style->length_in_pt($style->width, $cb["w"]);
      $h = $style->length_in_pt($style->height, $cb["h"]);
  
      if ( strrpos( $frame->get_image_url(), DOMPDF_LIB_DIR . "/res/broken_image.png", 0) !== false &&
        $alt = $frame->get_node()->getAttribute("alt") ) {
        $font = $style->font_family;
        $size = $style->font_size;
        $spacing = $style->word_spacing;
        $this->_canvas->text($x, $y, $alt,
                             $font, $size,
                             $style->color, $spacing);
      }
      else {
        $this->_canvas->image( $frame->get_image_url(), $frame->get_image_ext(), $x, $y, $w, $h);
      }
      
      if (DEBUG_LAYOUT && DEBUG_LAYOUT_BLOCKS) {
        $this->_debug_layout($frame->get_border_box(), "blue");
        if (DEBUG_LAYOUT_PADDINGBOX) {
          $this->_debug_layout($frame->get_padding_box(), "blue", array(0.5, 0.5));
        }
      }
    }
  }