comparison vendor/plugins/rfpdf/lib/fonts/ttf2ufm/makefontuni_ruby.php @ 441:cbce1fd3b1b7 redmine-1.2

Update to Redmine 1.2-stable branch (Redmine SVN rev 6000)

+<?php
+/*******************************************************************************
+* Utility to generate font definition files for Unicode Truetype fonts         *
+* Version: 1.12                                                                *
+* Date:    2003-12-30                                                          *
+*******************************************************************************/
+
+function ReadUFM($file, &$cidtogidmap)
+{
+  //Prepare empty CIDToGIDMap
+  $cidtogidmap = str_pad('', 256*256*2, "\x00");
+  
+  //Read a font metric file
+  $a=file($file);
+  if(empty($a))
+    die('File not found');
+  $widths=array();
+  $fm=array();
+  foreach($a as $l)
+  {
+    $e=explode(' ',chop($l));
+    if(count($e)<2)
+      continue;
+    $code=$e[0];
+    $param=$e[1];
+    if($code=='U')
+    {
+      // U 827 ; WX 0 ; N squaresubnosp ; G 675 ;
+      //Character metrics
+      $cc=(int)$e[1];
+      if ($cc != -1) {
+        $gn = $e[7];
+        $w = $e[4];
+        $glyph = $e[10];
+        $widths[$cc] = $w;
+        if($cc == ord('X'))
+          $fm['CapXHeight'] = $e[13];
+          
+        // Set GID
+        if ($cc >= 0 && $cc < 0xFFFF && $glyph) {
+          $cidtogidmap{$cc*2} = chr($glyph >> 8);
+          $cidtogidmap{$cc*2 + 1} = chr($glyph & 0xFF);
+        }        
+      }
+      if($gn=='.notdef' && !isset($fm['MissingWidth']))
+        $fm['MissingWidth']=$w;
+    }
+    elseif($code=='FontName')
+      $fm['FontName']=$param;
+    elseif($code=='Weight')
+      $fm['Weight']=$param;
+    elseif($code=='ItalicAngle')
+      $fm['ItalicAngle']=(double)$param;
+    elseif($code=='Ascender')
+      $fm['Ascender']=(int)$param;
+    elseif($code=='Descender')
+      $fm['Descender']=(int)$param;
+    elseif($code=='UnderlineThickness')
+      $fm['UnderlineThickness']=(int)$param;
+    elseif($code=='UnderlinePosition')
+      $fm['UnderlinePosition']=(int)$param;
+    elseif($code=='IsFixedPitch')
+      $fm['IsFixedPitch']=($param=='true');
+    elseif($code=='FontBBox')
+      $fm['FontBBox']=array($e[1],$e[2],$e[3],$e[4]);
+    elseif($code=='CapHeight')
+      $fm['CapHeight']=(int)$param;
+    elseif($code=='StdVW')
+      $fm['StdVW']=(int)$param;
+  }
+  if(!isset($fm['MissingWidth']))
+    $fm['MissingWidth']=600;
+
+  if(!isset($fm['FontName']))
+    die('FontName not found');
+
+  $fm['Widths']=$widths;
+  
+  return $fm;
+}
+
+function MakeFontDescriptor($fm)
+{
+  //Ascent
+  $asc=(isset($fm['Ascender']) ? $fm['Ascender'] : 1000);
+  $fd="{'Ascent'=>".$asc;
+  //Descent
+  $desc=(isset($fm['Descender']) ? $fm['Descender'] : -200);
+  $fd.=",'Descent'=>".$desc;
+  //CapHeight
+  if(isset($fm['CapHeight']))
+    $ch=$fm['CapHeight'];
+  elseif(isset($fm['CapXHeight']))
+    $ch=$fm['CapXHeight'];
+  else
+    $ch=$asc;
+  $fd.=",'CapHeight'=>".$ch;
+  //Flags
+  $flags=0;
+  if(isset($fm['IsFixedPitch']) and $fm['IsFixedPitch'])
+    $flags+=1<<0;
+  $flags+=1<<5;
+  if(isset($fm['ItalicAngle']) and $fm['ItalicAngle']!=0)
+    $flags+=1<<6;
+  $fd.=",'Flags'=>".$flags;
+  //FontBBox
+  if(isset($fm['FontBBox']))
+    $fbb=$fm['FontBBox'];
+  else
+    $fbb=array(0,$des-100,1000,$asc+100);
+  $fd.=",'FontBBox'=>'[".$fbb[0].' '.$fbb[1].' '.$fbb[2].' '.$fbb[3]."]'";
+  //ItalicAngle
+  $ia=(isset($fm['ItalicAngle']) ? $fm['ItalicAngle'] : 0);
+  $fd.=",'ItalicAngle'=>".$ia;
+  //StemV
+  if(isset($fm['StdVW']))
+    $stemv=$fm['StdVW'];
+  elseif(isset($fm['Weight']) and eregi('(bold|black)',$fm['Weight']))
+    $stemv=120;
+  else
+    $stemv=70;
+  $fd.=",'StemV'=>".$stemv;
+  //MissingWidth
+  if(isset($fm['MissingWidth']))
+    $fd.=",'MissingWidth'=>".$fm['MissingWidth'];
+  $fd.='}';
+  return $fd;
+}
+
+function MakeWidthArray($fm)
+{
+  //Make character width array
+  $s="{";
+  $cw=$fm['Widths'];
+  $els=array();
+  $c=0;
+  foreach ($cw as $i => $w)
+  {
+    $els[] = ((($c++)%16==0)?"\n\t":'').$i.'=>'.$w;
+  }
+  $s .= implode(', ', $els);
+  $s.='}';
+  return $s;
+}
+
+function SaveToFile($file,$s,$mode='t')
+{
+  $f=fopen($file,'w'.$mode);
+  if(!$f)
+    die('Can\'t write to file '.$file);
+  fwrite($f,$s,strlen($s));
+  fclose($f);
+}
+
+function ReadShort($f)
+{
+  $a=unpack('n1n',fread($f,2));
+  return $a['n'];
+}
+
+function ReadLong($f)
+{
+  $a=unpack('N1N',fread($f,4));
+  return $a['N'];
+}
+
+function CheckTTF($file)
+{
+  //Check if font license allows embedding
+  $f=fopen($file,'rb');
+  if(!$f)
+    die('<B>Error:</B> Can\'t open '.$file);
+  //Extract number of tables
+  fseek($f,4,SEEK_CUR);
+  $nb=ReadShort($f);
+  fseek($f,6,SEEK_CUR);
+  //Seek OS/2 table
+  $found=false;
+  for($i=0;$i<$nb;$i++)
+  {
+    if(fread($f,4)=='OS/2')
+    {
+      $found=true;
+      break;
+    }
+    fseek($f,12,SEEK_CUR);
+  }
+  if(!$found)
+  {
+    fclose($f);
+    return;
+  }
+  fseek($f,4,SEEK_CUR);
+  $offset=ReadLong($f);
+  fseek($f,$offset,SEEK_SET);
+  //Extract fsType flags
+  fseek($f,8,SEEK_CUR);
+  $fsType=ReadShort($f);
+  $rl=($fsType & 0x02)!=0;
+  $pp=($fsType & 0x04)!=0;
+  $e=($fsType & 0x08)!=0;
+  fclose($f);
+  if($rl and !$pp and !$e)
+    echo '<B>Warning:</B> font license does not allow embedding';
+}
+
+/*******************************************************************************
+* $fontfile: path to TTF file (or empty string if not to be embedded)          *
+* $ufmfile:  path to UFM file                                                  *
+*******************************************************************************/
+function MakeFont($fontfile,$ufmfile)
+{
+  //Generate a font definition file
+  set_magic_quotes_runtime(0);
+  if(!file_exists($ufmfile))
+    die('<B>Error:</B> UFM file not found: '.$ufmfile);
+  $cidtogidmap = '';
+  $fm=ReadUFM($ufmfile, $cidtogidmap);
+  $fd=MakeFontDescriptor($fm);
+  //Find font type
+  if($fontfile)
+  {
+    $ext=strtolower(substr($fontfile,-3));
+    if($ext=='ttf')
+      $type='TrueTypeUnicode';
+    else
+      die('<B>Error:</B> not a truetype font: '.$ext);
+  }
+  else
+  {
+    if($type!='TrueTypeUnicode')
+      die('<B>Error:</B> incorrect font type: '.$type);
+  }
+  //Start generation
+  $basename=strtolower(substr(basename($ufmfile),0,-4));
+  $s='TCPDFFontDescriptor.define(\''.$basename."') do |font|\n";
+  $s.="  font[:type]='".$type."'\n";
+  $s.="  font[:name]='".$fm['FontName']."'\n";
+  $s.="  font[:desc]=".$fd."\n";
+  if(!isset($fm['UnderlinePosition']))
+    $fm['UnderlinePosition']=-100;
+  if(!isset($fm['UnderlineThickness']))
+    $fm['UnderlineThickness']=50;
+  $s.="  font[:up]=".$fm['UnderlinePosition']."\n";
+  $s.="  font[:ut]=".$fm['UnderlineThickness']."\n";
+  $s.="  font[:cw]=".MakeWidthArray($fm)."\n";
+  $s.="  font[:enc]=''\n";
+  $s.="  font[:diff]=''\n";
+  if($fontfile)
+  {
+    //Embedded font
+    if(!file_exists($fontfile))
+      die('<B>Error:</B> font file not found: '.$fontfile);
+    CheckTTF($fontfile);
+    $f=fopen($fontfile,'rb');
+    if(!$f)
+      die('<B>Error:</B> Can\'t open '.$fontfile);
+    $file=fread($f,filesize($fontfile));
+    fclose($f);
+    if(function_exists('gzcompress'))
+    {
+      $cmp=$basename.'.z';
+      SaveToFile($cmp,gzcompress($file),'b');
+      $s.='  font[:file]=\''.$cmp."'\n";
+      echo 'Font file compressed ('.$cmp.')<BR>';
+
+      $cmp=$basename.'.ctg.z';
+      SaveToFile($cmp,gzcompress($cidtogidmap),'b');
+      echo 'CIDToGIDMap created and compressed ('.$cmp.')<BR>';     
+      $s.='  font[:ctg]=\''.$cmp."'\n";
+    }
+    else
+    {
+      $s.='$file=\''.basename($fontfile)."'\n";
+      echo '<B>Notice:</B> font file could not be compressed (gzcompress not available)<BR>';
+      
+      $cmp=$basename.'.ctg';
+      $f = fopen($cmp, 'wb');
+      fwrite($f, $cidtogidmap);
+      fclose($f);
+      echo 'CIDToGIDMap created ('.$cmp.')<BR>';
+      $s.='  font[:ctg]=\''.$cmp."'\n";
+    }
+    if($type=='Type1')
+    {
+      $s.='  font[:size1]='.$size1."\n";
+      $s.='  font[:size2]='.$size2."\n";
+    }
+    else
+      $s.='  font[:originalsize]='.filesize($fontfile)."\n";
+  }
+  else
+  {
+    //Not embedded font
+    $s.='  font[:file]='."''\n";
+  }
+  $s.="end\n";
+  SaveToFile($basename.'.rb',$s);
+  echo 'Font definition file generated ('.$basename.'.rb'.')<BR>';
+}
+
+$arg = $GLOBALS['argv'];
+if (count($arg) >= 3) {
+  ob_start();
+  array_shift($arg);
+  MakeFont($arg[0], $arg[1]);
+  $t = ob_get_clean();
+  print preg_replace('!<BR( /)?>!i', "\n", $t);
+}
+else {
+  print "Usage: makefontuni_ruby.php <ttf-file> <ufm-file>\n";
+}
+?>