[2] | 1 | <?php |
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| 2 | /******************************************************************************* |
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| 3 | * Utility to generate font definition files * |
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| 4 | * Version: 1.12 * |
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| 5 | * Date: 2003-12-30 * |
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| 6 | *******************************************************************************/ |
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| 7 | |
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| 8 | function ReadMap($enc) |
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| 9 | { |
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| 10 | //Read a map file |
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| 11 | $file=dirname(__FILE__).'/'.strtolower($enc).'.map'; |
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| 12 | $a=file($file); |
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| 13 | if(empty($a)) |
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| 14 | die('<B>Error:</B> encoding not found: '.$enc); |
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| 15 | $cc2gn=array(); |
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| 16 | foreach($a as $l) |
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| 17 | { |
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| 18 | if($l{0}=='!') |
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| 19 | { |
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| 20 | $e=preg_split('/[ \\t]+/',chop($l)); |
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| 21 | $cc=hexdec(substr($e[0],1)); |
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| 22 | $gn=$e[2]; |
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| 23 | $cc2gn[$cc]=$gn; |
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| 24 | } |
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| 25 | } |
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| 26 | for($i=0;$i<=255;$i++) |
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| 27 | if(!isset($cc2gn[$i])) |
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| 28 | $cc2gn[$i]='.notdef'; |
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| 29 | return $cc2gn; |
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| 30 | } |
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| 31 | |
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| 32 | function ReadAFM($file,&$map) |
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| 33 | { |
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| 34 | //Read a font metric file |
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| 35 | $a=file($file); |
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| 36 | if(empty($a)) |
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| 37 | die('File not found'); |
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| 38 | $widths=array(); |
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| 39 | $fm=array(); |
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| 40 | $fix=array('Edot'=>'Edotaccent','edot'=>'edotaccent','Idot'=>'Idotaccent','Zdot'=>'Zdotaccent','zdot'=>'zdotaccent', |
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| 41 | 'Odblacute'=>'Ohungarumlaut','odblacute'=>'ohungarumlaut','Udblacute'=>'Uhungarumlaut','udblacute'=>'uhungarumlaut', |
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| 42 | 'Gcedilla'=>'Gcommaaccent','gcedilla'=>'gcommaaccent','Kcedilla'=>'Kcommaaccent','kcedilla'=>'kcommaaccent', |
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| 43 | 'Lcedilla'=>'Lcommaaccent','lcedilla'=>'lcommaaccent','Ncedilla'=>'Ncommaaccent','ncedilla'=>'ncommaaccent', |
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| 44 | 'Rcedilla'=>'Rcommaaccent','rcedilla'=>'rcommaaccent','Scedilla'=>'Scommaaccent','scedilla'=>'scommaaccent', |
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| 45 | 'Tcedilla'=>'Tcommaaccent','tcedilla'=>'tcommaaccent','Dslash'=>'Dcroat','dslash'=>'dcroat','Dmacron'=>'Dcroat','dmacron'=>'dcroat', |
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| 46 | 'combininggraveaccent'=>'gravecomb','combininghookabove'=>'hookabovecomb','combiningtildeaccent'=>'tildecomb', |
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| 47 | 'combiningacuteaccent'=>'acutecomb','combiningdotbelow'=>'dotbelowcomb','dongsign'=>'dong'); |
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| 48 | foreach($a as $l) |
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| 49 | { |
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| 50 | $e=explode(' ',chop($l)); |
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| 51 | if(count($e)<2) |
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| 52 | continue; |
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| 53 | $code=$e[0]; |
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| 54 | $param=$e[1]; |
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| 55 | if($code=='C') |
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| 56 | { |
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| 57 | //Character metrics |
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| 58 | $cc=(int)$e[1]; |
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| 59 | $w=$e[4]; |
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| 60 | $gn=$e[7]; |
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| 61 | if(substr($gn,-4)=='20AC') |
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| 62 | $gn='Euro'; |
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| 63 | if(isset($fix[$gn])) |
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| 64 | { |
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| 65 | //Fix incorrect glyph name |
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| 66 | foreach($map as $c=>$n) |
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| 67 | if($n==$fix[$gn]) |
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| 68 | $map[$c]=$gn; |
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| 69 | } |
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| 70 | if(empty($map)) |
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| 71 | { |
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| 72 | //Symbolic font: use built-in encoding |
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| 73 | $widths[$cc]=$w; |
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| 74 | } |
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| 75 | else |
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| 76 | { |
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| 77 | $widths[$gn]=$w; |
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| 78 | if($gn=='X') |
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| 79 | $fm['CapXHeight']=$e[13]; |
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| 80 | } |
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| 81 | if($gn=='.notdef') |
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| 82 | $fm['MissingWidth']=$w; |
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| 83 | } |
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| 84 | elseif($code=='FontName') |
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| 85 | $fm['FontName']=$param; |
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| 86 | elseif($code=='Weight') |
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| 87 | $fm['Weight']=$param; |
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| 88 | elseif($code=='ItalicAngle') |
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| 89 | $fm['ItalicAngle']=(double)$param; |
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| 90 | elseif($code=='Ascender') |
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| 91 | $fm['Ascender']=(int)$param; |
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| 92 | elseif($code=='Descender') |
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| 93 | $fm['Descender']=(int)$param; |
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| 94 | elseif($code=='UnderlineThickness') |
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| 95 | $fm['UnderlineThickness']=(int)$param; |
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| 96 | elseif($code=='UnderlinePosition') |
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| 97 | $fm['UnderlinePosition']=(int)$param; |
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| 98 | elseif($code=='IsFixedPitch') |
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| 99 | $fm['IsFixedPitch']=($param=='true'); |
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| 100 | elseif($code=='FontBBox') |
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| 101 | $fm['FontBBox']=array($e[1],$e[2],$e[3],$e[4]); |
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| 102 | elseif($code=='CapHeight') |
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| 103 | $fm['CapHeight']=(int)$param; |
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| 104 | elseif($code=='StdVW') |
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| 105 | $fm['StdVW']=(int)$param; |
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| 106 | } |
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| 107 | if(!isset($fm['FontName'])) |
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| 108 | die('FontName not found'); |
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| 109 | if(!empty($map)) |
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| 110 | { |
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| 111 | if(!isset($widths['.notdef'])) |
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| 112 | $widths['.notdef']=600; |
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| 113 | if(!isset($widths['Delta']) and isset($widths['increment'])) |
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| 114 | $widths['Delta']=$widths['increment']; |
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| 115 | //Order widths according to map |
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| 116 | for($i=0;$i<=255;$i++) |
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| 117 | { |
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| 118 | if(!isset($widths[$map[$i]])) |
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| 119 | { |
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| 120 | echo '<B>Warning:</B> character '.$map[$i].' is missing<BR>'; |
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| 121 | $widths[$i]=$widths['.notdef']; |
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| 122 | } |
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| 123 | else |
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| 124 | $widths[$i]=$widths[$map[$i]]; |
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| 125 | } |
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| 126 | } |
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| 127 | $fm['Widths']=$widths; |
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| 128 | return $fm; |
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| 129 | } |
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| 130 | |
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| 131 | function MakeFontDescriptor($fm,$symbolic) |
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| 132 | { |
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| 133 | //Ascent |
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| 134 | $asc=(isset($fm['Ascender']) ? $fm['Ascender'] : 1000); |
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| 135 | $fd="array('Ascent'=>".$asc; |
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| 136 | //Descent |
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| 137 | $desc=(isset($fm['Descender']) ? $fm['Descender'] : -200); |
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| 138 | $fd.=",'Descent'=>".$desc; |
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| 139 | //CapHeight |
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| 140 | if(isset($fm['CapHeight'])) |
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| 141 | $ch=$fm['CapHeight']; |
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| 142 | elseif(isset($fm['CapXHeight'])) |
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| 143 | $ch=$fm['CapXHeight']; |
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| 144 | else |
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| 145 | $ch=$asc; |
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| 146 | $fd.=",'CapHeight'=>".$ch; |
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| 147 | //Flags |
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| 148 | $flags=0; |
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| 149 | if(isset($fm['IsFixedPitch']) and $fm['IsFixedPitch']) |
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| 150 | $flags+=1<<0; |
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| 151 | if($symbolic) |
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| 152 | $flags+=1<<2; |
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| 153 | if(!$symbolic) |
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| 154 | $flags+=1<<5; |
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| 155 | if(isset($fm['ItalicAngle']) and $fm['ItalicAngle']!=0) |
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| 156 | $flags+=1<<6; |
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| 157 | $fd.=",'Flags'=>".$flags; |
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| 158 | //FontBBox |
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| 159 | if(isset($fm['FontBBox'])) |
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| 160 | $fbb=$fm['FontBBox']; |
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| 161 | else |
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| 162 | $fbb=array(0,$des-100,1000,$asc+100); |
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| 163 | $fd.=",'FontBBox'=>'[".$fbb[0].' '.$fbb[1].' '.$fbb[2].' '.$fbb[3]."]'"; |
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| 164 | //ItalicAngle |
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| 165 | $ia=(isset($fm['ItalicAngle']) ? $fm['ItalicAngle'] : 0); |
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| 166 | $fd.=",'ItalicAngle'=>".$ia; |
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| 167 | //StemV |
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| 168 | if(isset($fm['StdVW'])) |
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| 169 | $stemv=$fm['StdVW']; |
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| 170 | elseif(isset($fm['Weight']) and eregi('(bold|black)',$fm['Weight'])) |
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| 171 | $stemv=120; |
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| 172 | else |
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| 173 | $stemv=70; |
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| 174 | $fd.=",'StemV'=>".$stemv; |
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| 175 | //MissingWidth |
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| 176 | if(isset($fm['MissingWidth'])) |
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| 177 | $fd.=",'MissingWidth'=>".$fm['MissingWidth']; |
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| 178 | $fd.=')'; |
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| 179 | return $fd; |
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| 180 | } |
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| 181 | |
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| 182 | function MakeWidthArray($fm) |
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| 183 | { |
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| 184 | //Make character width array |
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| 185 | $s="array(\n\t"; |
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| 186 | $cw=$fm['Widths']; |
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| 187 | for($i=0;$i<=255;$i++) |
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| 188 | { |
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| 189 | if(chr($i)=="'") |
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| 190 | $s.="'\\''"; |
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| 191 | elseif(chr($i)=="\\") |
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| 192 | $s.="'\\\\'"; |
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| 193 | elseif($i>=32 and $i<=126) |
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| 194 | $s.="'".chr($i)."'"; |
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| 195 | else |
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| 196 | $s.="chr($i)"; |
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| 197 | $s.='=>'.$fm['Widths'][$i]; |
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| 198 | if($i<255) |
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| 199 | $s.=','; |
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| 200 | if(($i+1)%22==0) |
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| 201 | $s.="\n\t"; |
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| 202 | } |
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| 203 | $s.=')'; |
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| 204 | return $s; |
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| 205 | } |
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| 206 | |
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| 207 | function MakeFontEncoding($map) |
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| 208 | { |
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| 209 | //Build differences from reference encoding |
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| 210 | $ref=ReadMap('cp1252'); |
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| 211 | $s=''; |
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| 212 | $last=0; |
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| 213 | for($i=32;$i<=255;$i++) |
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| 214 | { |
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| 215 | if($map[$i]!=$ref[$i]) |
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| 216 | { |
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| 217 | if($i!=$last+1) |
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| 218 | $s.=$i.' '; |
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| 219 | $last=$i; |
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| 220 | $s.='/'.$map[$i].' '; |
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| 221 | } |
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| 222 | } |
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| 223 | return chop($s); |
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| 224 | } |
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| 225 | |
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| 226 | function SaveToFile($file,$s,$mode='t') |
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| 227 | { |
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| 228 | $f=fopen($file,'w'.$mode); |
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| 229 | if(!$f) |
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| 230 | die('Can\'t write to file '.$file); |
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| 231 | fwrite($f,$s,strlen($s)); |
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| 232 | fclose($f); |
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| 233 | } |
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| 234 | |
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| 235 | function ReadShort($f) |
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| 236 | { |
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| 237 | $a=unpack('n1n',fread($f,2)); |
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| 238 | return $a['n']; |
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| 239 | } |
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| 240 | |
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| 241 | function ReadLong($f) |
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| 242 | { |
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| 243 | $a=unpack('N1N',fread($f,4)); |
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| 244 | return $a['N']; |
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| 245 | } |
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| 246 | |
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| 247 | function CheckTTF($file) |
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| 248 | { |
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| 249 | //Check if font license allows embedding |
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| 250 | $f=fopen($file,'rb'); |
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| 251 | if(!$f) |
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| 252 | die('<B>Error:</B> Can\'t open '.$file); |
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| 253 | //Extract number of tables |
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| 254 | fseek($f,4,SEEK_CUR); |
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| 255 | $nb=ReadShort($f); |
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| 256 | fseek($f,6,SEEK_CUR); |
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| 257 | //Seek OS/2 table |
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| 258 | $found=false; |
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| 259 | for($i=0;$i<$nb;$i++) |
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| 260 | { |
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| 261 | if(fread($f,4)=='OS/2') |
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| 262 | { |
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| 263 | $found=true; |
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| 264 | break; |
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| 265 | } |
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| 266 | fseek($f,12,SEEK_CUR); |
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| 267 | } |
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| 268 | if(!$found) |
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| 269 | { |
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| 270 | fclose($f); |
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| 271 | return; |
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| 272 | } |
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| 273 | fseek($f,4,SEEK_CUR); |
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| 274 | $offset=ReadLong($f); |
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| 275 | fseek($f,$offset,SEEK_SET); |
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| 276 | //Extract fsType flags |
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| 277 | fseek($f,8,SEEK_CUR); |
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| 278 | $fsType=ReadShort($f); |
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| 279 | $rl=($fsType & 0x02)!=0; |
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| 280 | $pp=($fsType & 0x04)!=0; |
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| 281 | $e=($fsType & 0x08)!=0; |
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| 282 | fclose($f); |
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| 283 | if($rl and !$pp and !$e) |
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| 284 | echo '<B>Warning:</B> font license does not allow embedding'; |
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| 285 | } |
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| 286 | |
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| 287 | /******************************************************************************* |
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| 288 | * $fontfile: path to TTF file (or empty string if not to be embedded) * |
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| 289 | * $afmfile: path to AFM file * |
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| 290 | * $enc: font encoding (or empty string for symbolic fonts) * |
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| 291 | * $patch: optional patch for encoding * |
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| 292 | * $type : font type if $fontfile is empty * |
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| 293 | *******************************************************************************/ |
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| 294 | function MakeFont($fontfile,$afmfile,$enc='cp1252',$patch=array(),$type='TrueType') |
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| 295 | { |
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| 296 | //Generate a font definition file |
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| 297 | set_magic_quotes_runtime(0); |
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| 298 | if($enc) |
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| 299 | { |
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| 300 | $map=ReadMap($enc); |
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| 301 | foreach($patch as $cc=>$gn) |
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| 302 | $map[$cc]=$gn; |
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| 303 | } |
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| 304 | else |
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| 305 | $map=array(); |
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| 306 | if(!file_exists($afmfile)) |
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| 307 | die('<B>Error:</B> AFM file not found: '.$afmfile); |
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| 308 | $fm=ReadAFM($afmfile,$map); |
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| 309 | if($enc) |
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| 310 | $diff=MakeFontEncoding($map); |
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| 311 | else |
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| 312 | $diff=''; |
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| 313 | $fd=MakeFontDescriptor($fm,empty($map)); |
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| 314 | //Find font type |
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| 315 | if($fontfile) |
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| 316 | { |
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| 317 | $ext=strtolower(substr($fontfile,-3)); |
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| 318 | if($ext=='ttf') |
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| 319 | $type='TrueType'; |
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| 320 | elseif($ext=='pfb') |
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| 321 | $type='Type1'; |
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| 322 | else |
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| 323 | die('<B>Error:</B> unrecognized font file extension: '.$ext); |
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| 324 | } |
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| 325 | else |
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| 326 | { |
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| 327 | if($type!='TrueType' and $type!='Type1') |
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| 328 | die('<B>Error:</B> incorrect font type: '.$type); |
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| 329 | } |
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| 330 | //Start generation |
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| 331 | $s='<?php'."\n"; |
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| 332 | $s.='$type=\''.$type."';\n"; |
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| 333 | $s.='$name=\''.$fm['FontName']."';\n"; |
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| 334 | $s.='$desc='.$fd.";\n"; |
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| 335 | if(!isset($fm['UnderlinePosition'])) |
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| 336 | $fm['UnderlinePosition']=-100; |
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| 337 | if(!isset($fm['UnderlineThickness'])) |
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| 338 | $fm['UnderlineThickness']=50; |
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| 339 | $s.='$up='.$fm['UnderlinePosition'].";\n"; |
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| 340 | $s.='$ut='.$fm['UnderlineThickness'].";\n"; |
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| 341 | $w=MakeWidthArray($fm); |
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| 342 | $s.='$cw='.$w.";\n"; |
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| 343 | $s.='$enc=\''.$enc."';\n"; |
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| 344 | $s.='$diff=\''.$diff."';\n"; |
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| 345 | $basename=substr(basename($afmfile),0,-4); |
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| 346 | if($fontfile) |
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| 347 | { |
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| 348 | //Embedded font |
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| 349 | if(!file_exists($fontfile)) |
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| 350 | die('<B>Error:</B> font file not found: '.$fontfile); |
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| 351 | if($type=='TrueType') |
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| 352 | CheckTTF($fontfile); |
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| 353 | $f=fopen($fontfile,'rb'); |
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| 354 | if(!$f) |
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| 355 | die('<B>Error:</B> Can\'t open '.$fontfile); |
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| 356 | $file=fread($f,filesize($fontfile)); |
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| 357 | fclose($f); |
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| 358 | if($type=='Type1') |
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| 359 | { |
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| 360 | //Find first two sections and discard third one |
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| 361 | $pos=strpos($file,'eexec'); |
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| 362 | if(!$pos) |
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| 363 | die('<B>Error:</B> font file does not seem to be valid Type1'); |
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| 364 | $size1=$pos+6; |
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| 365 | $pos=strpos($file,'00000000'); |
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| 366 | if(!$pos) |
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| 367 | die('<B>Error:</B> font file does not seem to be valid Type1'); |
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| 368 | $size2=$pos-$size1; |
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| 369 | $file=substr($file,0,$size1+$size2); |
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| 370 | } |
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| 371 | if(function_exists('gzcompress')) |
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| 372 | { |
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| 373 | $cmp=$basename.'.z'; |
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| 374 | SaveToFile($cmp,gzcompress($file),'b'); |
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| 375 | $s.='$file=\''.$cmp."';\n"; |
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| 376 | echo 'Font file compressed ('.$cmp.')<BR>'; |
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| 377 | } |
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| 378 | else |
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| 379 | { |
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| 380 | $s.='$file=\''.basename($fontfile)."';\n"; |
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| 381 | echo '<B>Notice:</B> font file could not be compressed (gzcompress not available)<BR>'; |
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| 382 | } |
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| 383 | if($type=='Type1') |
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| 384 | { |
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| 385 | $s.='$size1='.$size1.";\n"; |
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| 386 | $s.='$size2='.$size2.";\n"; |
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| 387 | } |
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| 388 | else |
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| 389 | $s.='$originalsize='.filesize($fontfile).";\n"; |
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| 390 | } |
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| 391 | else |
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| 392 | { |
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| 393 | //Not embedded font |
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| 394 | $s.='$file='."'';\n"; |
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| 395 | } |
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| 396 | $s.="?>\n"; |
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| 397 | SaveToFile($basename.'.php',$s); |
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| 398 | echo 'Font definition file generated ('.$basename.'.php'.')<BR>'; |
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| 399 | } |
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| 400 | ?> |
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