crm.fsf.org/20131203/files/sites/all/modules-new/civicrm/vendor/dompdf/dompdf/src/Renderer/Image.php

   1 <?php
   2 /**
   3  * @package dompdf
   4  * @link    http://dompdf.github.com/
   5  * @author  Benj Carson <benjcarson@digitaljunkies.ca>
   6  * @author  Fabien Ménager <fabien.menager@gmail.com>
   7  * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
   8  */
   9 namespace Dompdf\Renderer;
  10
  11 use Dompdf\Frame;
  12 use Dompdf\Image\Cache;
  13
  14 /**
  15  * Image renderer
  16  *
  17  * @access  private
  18  * @package dompdf
  19  */
  20 class Image extends Block
  21 {
  22
  23     function render(Frame $frame)
  24     {
  25         // Render background & borders
  26         $style = $frame->get_style();
  27         $cb = $frame->get_containing_block();
  28         list($x, $y, $w, $h) = $frame->get_border_box();
  29
  30         $this->_set_opacity($frame->get_opacity($style->opacity));
  31
  32         list($tl, $tr, $br, $bl) = $style->get_computed_border_radius($w, $h);
  33
  34         $has_border_radius = $tl + $tr + $br + $bl > 0;
  35
  36         if ($has_border_radius) {
  37             $this->_canvas->clipping_roundrectangle($x, $y, $w, $h, $tl, $tr, $br, $bl);
  38         }
  39
  40         if (($bg = $style->background_color) !== "transparent") {
  41             $this->_canvas->filled_rectangle($x, $y, $w, $h, $bg);
  42         }
  43
  44         if (($url = $style->background_image) && $url !== "none") {
  45             $this->_background_image($url, $x, $y, $w, $h, $style);
  46         }
  47
  48         if ($has_border_radius) {
  49             $this->_canvas->clipping_end();
  50         }
  51
  52         $this->_render_border($frame);
  53         $this->_render_outline($frame);
  54
  55         list($x, $y) = $frame->get_padding_box();
  56
  57         $x += $style->length_in_pt($style->padding_left, $cb["w"]);
  58         $y += $style->length_in_pt($style->padding_top, $cb["h"]);
  59
  60         $w = $style->length_in_pt($style->width, $cb["w"]);
  61         $h = $style->length_in_pt($style->height, $cb["h"]);
  62
  63         if ($has_border_radius) {
  64             list($wt, $wr, $wb, $wl) = array(
  65                 $style->border_top_width,
  66                 $style->border_right_width,
  67                 $style->border_bottom_width,
  68                 $style->border_left_width,
  69             );
  70
  71             // we have to get the "inner" radius
  72             if ($tl > 0) {
  73                 $tl -= ($wt + $wl) / 2;
  74             }
  75             if ($tr > 0) {
  76                 $tr -= ($wt + $wr) / 2;
  77             }
  78             if ($br > 0) {
  79                 $br -= ($wb + $wr) / 2;
  80             }
  81             if ($bl > 0) {
  82                 $bl -= ($wb + $wl) / 2;
  83             }
  84
  85             $this->_canvas->clipping_roundrectangle($x, $y, $w, $h, $tl, $tr, $br, $bl);
  86         }
  87
  88         $src = $frame->get_image_url();
  89         $alt = null;
  90
  91         if (Cache::is_broken($src) &&
  92             $alt = $frame->get_node()->getAttribute("alt")
  93         ) {
  94             $font = $style->font_family;
  95             $size = $style->font_size;
  96             $spacing = $style->word_spacing;
  97             $this->_canvas->text($x, $y, $alt,
  98                 $font, $size,
  99                 $style->color, $spacing);
 100         } else {
 101             $this->_canvas->image($src, $x, $y, $w, $h, $style->image_resolution);
 102         }
 103
 104         if ($has_border_radius) {
 105             $this->_canvas->clipping_end();
 106         }
 107
 108         if ($msg = $frame->get_image_msg()) {
 109             $parts = preg_split("/\s*\n\s*/", $msg);
 110             $height = 10;
 111             $_y = $alt ? $y + $h - count($parts) * $height : $y;
 112
 113             foreach ($parts as $i => $_part) {
 114                 $this->_canvas->text($x, $_y + $i * $height, $_part, "times", $height * 0.8, array(0.5, 0.5, 0.5));
 115             }
 116         }
 117
 118         if ($this->_dompdf->get_option("debugLayout") && $this->_dompdf->get_option("debugLayoutBlocks")) {
 119             $this->_debug_layout($frame->get_border_box(), "blue");
 120             if ($this->_dompdf->get_option("debugLayoutPaddingBox")) {
 121                 $this->_debug_layout($frame->get_padding_box(), "blue", array(0.5, 0.5));
 122             }
 123         }
 124     }
 125 }