git.roojs.org Git - pear/blob - XML/SvgToPdfAlt/Path.php

   1 <?php
   2
   3 /* output a line
   4
   5 */
   6
   7 class XML_SvgToPDFAlt_Path  extends XML_SvgToPDFAlt_Base {
   8
   9     function fromNode($node) {
  10         parent::fromNode($node);
  11         $d = explode(' ',trim($this->d));
  12         $i=0;
  13         $data = array();
  14
  15         while ($i < count($d)) {
  16             $action = $d[$i];
  17             switch(strtolower($action)) {
  18
  19
  20
  21                 case 'c': // ????
  22
  23                     $data[] = array('L',$d[$i+3],$d[$i+4]);
  24                     $i+=7;
  25                     break;
  26                 case 'm': // move
  27                 case 'l': // line
  28                     $data[] = array($action,$d[$i+1],$d[$i+2]);
  29                     $i+=3;
  30                     break;
  31                 case 'h': // move horizontal
  32                 case 'v': // move horizontal
  33                     $data[] = array($action,$d[$i+1]);
  34                     $i+=2;
  35                     break;
  36
  37
  38                 case 'z': // close path..
  39                     $data[] = array($action);
  40                     $i++;
  41                     break;
  42                 default:
  43                     echo "oops found something odd in path? '$action'";
  44                     echo $this->d;
  45                     exit;
  46                     break;
  47             }
  48         }
  49         $this->d = $data;
  50     }
  51
  52
  53         // TODO!! - shift!!!
  54
  55
  56
  57
  58
  59      function shift($x,$y) {
  60         //XML_SvgToPDF::debug('shift');
  61         //XML_SvgToPDF::debug(array($x,$y));
  62         //XML_SvgToPDF::debug($this);
  63         foreach($this->d as $i=>$a) {
  64             if (count($a) < 2) {
  65                 continue;
  66             }
  67             if ($a[0] == 'v') {
  68                 $this->d[$i][1] -= $y;
  69             } else {
  70                 $this->d[$i][1] -= $x;
  71                 if (isset($this->d[$i][2])) {
  72                     $this->d[$i][2] -= $y;
  73                 }
  74             }
  75         }
  76
  77     }
  78
  79
  80
  81     function writePDF($pdf,$data) {
  82
  83         $l = $this->toColor(@$this->style['stroke']);
  84         if ($l) {
  85             $pdf->setDrawColor($l[0],$l[1],$l[2]);
  86         }
  87         $pdf->setLineWidth($this->style['stroke-width']/ 3.543307);
  88
  89         $c = array();
  90         if (count($this->d) > 2) {
  91             $cc = array();
  92             foreach($this->d as $a) {
  93                  if (count($a) < 2) {
  94                         continue;
  95                  }
  96                  $x = $a[1] + @$this->xx;
  97                  $y = $a[2] + @$this->yy;
  98                  $cc[] = $x/ 3.543307;
  99                  $cc[] = $y/ 3.543307;
 100             }
 101             $pdf->line($cc,0,0,0);
 102             return;
 103         }
 104
 105         foreach($this->d as $a) {
 106             switch($a[0]) {
 107                 case 'M':
 108                     $x = $a[1] + @$this->xx;
 109                     $y = $a[2] + @$this->yy;
 110                     $c = array($x,$y);
 111                     break;
 112
 113                 case 'L':
 114                     $x = $a[1] + @$this->xx;
 115                     $y = $a[2] + @$this->yy;
 116                     $pdf->line($c[0]/ 3.543307,$c[1]/ 3.543307,$x/ 3.543307,$y/ 3.543307);
 117                     $c = array($x,$y);
 118                     break;
 119                 default:
 120                     break;
 121             }
 122         }
 123
 124
 125
 126
 127     }
 128
 129
 130
 131
 132
 133     function toColor($color) {
 134         if (!$color || ($color == 'none')) {
 135             return false;
 136         }
 137         return array(
 138             hexdec(substr($color,1,2)),
 139             hexdec(substr($color,3,2)),
 140             hexdec(substr($color,5,2)));
 141
 142     }
 143
 144
 145
 146 }