colonymech / docs / www / colonyscout / internal / includes / font / makefont / makefont.php @ f59acf11
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1 | f59acf11 | Dan Shope | <?php
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2 | /*******************************************************************************
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3 | * Utility to generate font definition files *
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4 | * *
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5 | * Version: 1.14 *
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6 | * Date: 2008-08-03 *
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7 | * Author: Olivier PLATHEY *
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8 | *******************************************************************************/
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9 | |||
10 | function ReadMap($enc) |
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11 | { |
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12 | //Read a map file
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13 | $file=dirname(__FILE__).'/'.strtolower($enc).'.map'; |
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14 | $a=file($file); |
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15 | if(empty($a)) |
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16 | die('<b>Error:</b> encoding not found: '.$enc); |
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17 | $cc2gn=array(); |
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18 | foreach($a as $l) |
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19 | { |
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20 | if($l[0]=='!') |
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21 | { |
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22 | $e=preg_split('/[ \\t]+/',rtrim($l)); |
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23 | $cc=hexdec(substr($e[0],1)); |
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24 | $gn=$e[2]; |
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25 | $cc2gn[$cc]=$gn; |
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26 | } |
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27 | } |
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28 | for($i=0;$i<=255;$i++) |
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29 | { |
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30 | if(!isset($cc2gn[$i])) |
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31 | $cc2gn[$i]='.notdef'; |
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32 | } |
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33 | return $cc2gn; |
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34 | } |
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35 | |||
36 | function ReadAFM($file, &$map) |
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37 | { |
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38 | //Read a font metric file
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39 | $a=file($file); |
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40 | if(empty($a)) |
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41 | die('File not found'); |
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42 | $widths=array(); |
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43 | $fm=array(); |
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44 | $fix=array('Edot'=>'Edotaccent','edot'=>'edotaccent','Idot'=>'Idotaccent','Zdot'=>'Zdotaccent','zdot'=>'zdotaccent', |
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45 | 'Odblacute'=>'Ohungarumlaut','odblacute'=>'ohungarumlaut','Udblacute'=>'Uhungarumlaut','udblacute'=>'uhungarumlaut', |
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46 | 'Gcedilla'=>'Gcommaaccent','gcedilla'=>'gcommaaccent','Kcedilla'=>'Kcommaaccent','kcedilla'=>'kcommaaccent', |
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47 | 'Lcedilla'=>'Lcommaaccent','lcedilla'=>'lcommaaccent','Ncedilla'=>'Ncommaaccent','ncedilla'=>'ncommaaccent', |
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48 | 'Rcedilla'=>'Rcommaaccent','rcedilla'=>'rcommaaccent','Scedilla'=>'Scommaaccent','scedilla'=>'scommaaccent', |
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49 | 'Tcedilla'=>'Tcommaaccent','tcedilla'=>'tcommaaccent','Dslash'=>'Dcroat','dslash'=>'dcroat','Dmacron'=>'Dcroat','dmacron'=>'dcroat', |
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50 | 'combininggraveaccent'=>'gravecomb','combininghookabove'=>'hookabovecomb','combiningtildeaccent'=>'tildecomb', |
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51 | 'combiningacuteaccent'=>'acutecomb','combiningdotbelow'=>'dotbelowcomb','dongsign'=>'dong'); |
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52 | foreach($a as $l) |
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53 | { |
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54 | $e=explode(' ',rtrim($l)); |
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55 | if(count($e)<2) |
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56 | continue;
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57 | $code=$e[0]; |
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58 | $param=$e[1]; |
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59 | if($code=='C') |
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60 | { |
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61 | //Character metrics
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62 | $cc=(int)$e[1]; |
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63 | $w=$e[4]; |
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64 | $gn=$e[7]; |
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65 | if(substr($gn,-4)=='20AC') |
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66 | $gn='Euro'; |
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67 | if(isset($fix[$gn])) |
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68 | { |
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69 | //Fix incorrect glyph name
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70 | foreach($map as $c=>$n) |
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71 | { |
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72 | if($n==$fix[$gn]) |
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73 | $map[$c]=$gn; |
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74 | } |
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75 | } |
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76 | if(empty($map)) |
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77 | { |
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78 | //Symbolic font: use built-in encoding
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79 | $widths[$cc]=$w; |
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80 | } |
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81 | else
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82 | { |
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83 | $widths[$gn]=$w; |
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84 | if($gn=='X') |
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85 | $fm['CapXHeight']=$e[13]; |
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86 | } |
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87 | if($gn=='.notdef') |
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88 | $fm['MissingWidth']=$w; |
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89 | } |
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90 | elseif($code=='FontName') |
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91 | $fm['FontName']=$param; |
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92 | elseif($code=='Weight') |
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93 | $fm['Weight']=$param; |
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94 | elseif($code=='ItalicAngle') |
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95 | $fm['ItalicAngle']=(double)$param; |
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96 | elseif($code=='Ascender') |
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97 | $fm['Ascender']=(int)$param; |
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98 | elseif($code=='Descender') |
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99 | $fm['Descender']=(int)$param; |
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100 | elseif($code=='UnderlineThickness') |
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101 | $fm['UnderlineThickness']=(int)$param; |
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102 | elseif($code=='UnderlinePosition') |
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103 | $fm['UnderlinePosition']=(int)$param; |
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104 | elseif($code=='IsFixedPitch') |
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105 | $fm['IsFixedPitch']=($param=='true'); |
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106 | elseif($code=='FontBBox') |
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107 | $fm['FontBBox']=array($e[1],$e[2],$e[3],$e[4]); |
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108 | elseif($code=='CapHeight') |
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109 | $fm['CapHeight']=(int)$param; |
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110 | elseif($code=='StdVW') |
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111 | $fm['StdVW']=(int)$param; |
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112 | } |
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113 | if(!isset($fm['FontName'])) |
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114 | die('FontName not found'); |
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115 | if(!empty($map)) |
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116 | { |
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117 | if(!isset($widths['.notdef'])) |
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118 | $widths['.notdef']=600; |
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119 | if(!isset($widths['Delta']) && isset($widths['increment'])) |
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120 | $widths['Delta']=$widths['increment']; |
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121 | //Order widths according to map
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122 | for($i=0;$i<=255;$i++) |
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123 | { |
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124 | if(!isset($widths[$map[$i]])) |
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125 | { |
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126 | echo '<b>Warning:</b> character '.$map[$i].' is missing<br>'; |
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127 | $widths[$i]=$widths['.notdef']; |
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128 | } |
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129 | else
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130 | $widths[$i]=$widths[$map[$i]]; |
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131 | } |
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132 | } |
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133 | $fm['Widths']=$widths; |
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134 | return $fm; |
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135 | } |
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136 | |||
137 | function MakeFontDescriptor($fm, $symbolic) |
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138 | { |
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139 | //Ascent
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140 | $asc=(isset($fm['Ascender']) ? $fm['Ascender'] : 1000); |
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141 | $fd="array('Ascent'=>".$asc; |
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142 | //Descent
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143 | $desc=(isset($fm['Descender']) ? $fm['Descender'] : -200); |
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144 | $fd.=",'Descent'=>".$desc; |
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145 | //CapHeight
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146 | if(isset($fm['CapHeight'])) |
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147 | $ch=$fm['CapHeight']; |
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148 | elseif(isset($fm['CapXHeight'])) |
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149 | $ch=$fm['CapXHeight']; |
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150 | else
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151 | $ch=$asc; |
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152 | $fd.=",'CapHeight'=>".$ch; |
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153 | //Flags
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154 | $flags=0; |
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155 | if(isset($fm['IsFixedPitch']) && $fm['IsFixedPitch']) |
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156 | $flags+=1<<0; |
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157 | if($symbolic) |
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158 | $flags+=1<<2; |
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159 | if(!$symbolic) |
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160 | $flags+=1<<5; |
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161 | if(isset($fm['ItalicAngle']) && $fm['ItalicAngle']!=0) |
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162 | $flags+=1<<6; |
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163 | $fd.=",'Flags'=>".$flags; |
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164 | //FontBBox
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165 | if(isset($fm['FontBBox'])) |
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166 | $fbb=$fm['FontBBox']; |
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167 | else
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168 | $fbb=array(0,$desc-100,1000,$asc+100); |
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169 | $fd.=",'FontBBox'=>'[".$fbb[0].' '.$fbb[1].' '.$fbb[2].' '.$fbb[3]."]'"; |
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170 | //ItalicAngle
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171 | $ia=(isset($fm['ItalicAngle']) ? $fm['ItalicAngle'] : 0); |
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172 | $fd.=",'ItalicAngle'=>".$ia; |
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173 | //StemV
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174 | if(isset($fm['StdVW'])) |
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175 | $stemv=$fm['StdVW']; |
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176 | elseif(isset($fm['Weight']) && preg_match('/bold|black/i',$fm['Weight'])) |
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177 | $stemv=120; |
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178 | else
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179 | $stemv=70; |
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180 | $fd.=",'StemV'=>".$stemv; |
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181 | //MissingWidth
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182 | if(isset($fm['MissingWidth'])) |
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183 | $fd.=",'MissingWidth'=>".$fm['MissingWidth']; |
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184 | $fd.=')'; |
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185 | return $fd; |
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186 | } |
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187 | |||
188 | function MakeWidthArray($fm) |
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189 | { |
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190 | //Make character width array
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191 | $s="array(\n\t"; |
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192 | $cw=$fm['Widths']; |
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193 | for($i=0;$i<=255;$i++) |
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194 | { |
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195 | if(chr($i)=="'") |
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196 | $s.="'\\''"; |
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197 | elseif(chr($i)=="\\") |
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198 | $s.="'\\\\'"; |
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199 | elseif($i>=32 && $i<=126) |
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200 | $s.="'".chr($i)."'"; |
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201 | else
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202 | $s.="chr($i)"; |
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203 | $s.='=>'.$fm['Widths'][$i]; |
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204 | if($i<255) |
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205 | $s.=','; |
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206 | if(($i+1)%22==0) |
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207 | $s.="\n\t"; |
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208 | } |
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209 | $s.=')'; |
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210 | return $s; |
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211 | } |
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212 | |||
213 | function MakeFontEncoding($map) |
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214 | { |
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215 | //Build differences from reference encoding
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216 | $ref=ReadMap('cp1252'); |
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217 | $s=''; |
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218 | $last=0; |
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219 | for($i=32;$i<=255;$i++) |
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220 | { |
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221 | if($map[$i]!=$ref[$i]) |
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222 | { |
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223 | if($i!=$last+1) |
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224 | $s.=$i.' '; |
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225 | $last=$i; |
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226 | $s.='/'.$map[$i].' '; |
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227 | } |
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228 | } |
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229 | return rtrim($s); |
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230 | } |
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231 | |||
232 | function SaveToFile($file, $s, $mode) |
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233 | { |
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234 | $f=fopen($file,'w'.$mode); |
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235 | if(!$f) |
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236 | die('Can\'t write to file '.$file); |
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237 | fwrite($f,$s,strlen($s)); |
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238 | fclose($f); |
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239 | } |
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240 | |||
241 | function ReadShort($f) |
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242 | { |
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243 | $a=unpack('n1n',fread($f,2)); |
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244 | return $a['n']; |
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245 | } |
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246 | |||
247 | function ReadLong($f) |
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248 | { |
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249 | $a=unpack('N1N',fread($f,4)); |
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250 | return $a['N']; |
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251 | } |
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252 | |||
253 | function CheckTTF($file) |
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254 | { |
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255 | //Check if font license allows embedding
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256 | $f=fopen($file,'rb'); |
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257 | if(!$f) |
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258 | die('<b>Error:</b> Can\'t open '.$file); |
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259 | //Extract number of tables
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260 | fseek($f,4,SEEK_CUR); |
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261 | $nb=ReadShort($f); |
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262 | fseek($f,6,SEEK_CUR); |
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263 | //Seek OS/2 table
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264 | $found=false; |
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265 | for($i=0;$i<$nb;$i++) |
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266 | { |
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267 | if(fread($f,4)=='OS/2') |
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268 | { |
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269 | $found=true; |
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270 | break;
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271 | } |
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272 | fseek($f,12,SEEK_CUR); |
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273 | } |
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274 | if(!$found) |
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275 | { |
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276 | fclose($f); |
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277 | return;
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278 | } |
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279 | fseek($f,4,SEEK_CUR); |
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280 | $offset=ReadLong($f); |
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281 | fseek($f,$offset,SEEK_SET); |
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282 | //Extract fsType flags
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283 | fseek($f,8,SEEK_CUR); |
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284 | $fsType=ReadShort($f); |
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285 | $rl=($fsType & 0x02)!=0; |
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286 | $pp=($fsType & 0x04)!=0; |
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287 | $e=($fsType & 0x08)!=0; |
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288 | fclose($f); |
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289 | if($rl && !$pp && !$e) |
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290 | echo '<b>Warning:</b> font license does not allow embedding'; |
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291 | } |
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292 | |||
293 | /*******************************************************************************
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294 | * fontfile: path to TTF file (or empty string if not to be embedded) *
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295 | * afmfile: path to AFM file *
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296 | * enc: font encoding (or empty string for symbolic fonts) *
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297 | * patch: optional patch for encoding *
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298 | * type: font type if fontfile is empty *
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299 | *******************************************************************************/
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300 | function MakeFont($fontfile, $afmfile, $enc='cp1252', $patch=array(), $type='TrueType') |
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301 | { |
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302 | //Generate a font definition file
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303 | if(get_magic_quotes_runtime()) |
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304 | @set_magic_quotes_runtime(0); |
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305 | ini_set('auto_detect_line_endings','1'); |
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306 | if($enc) |
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307 | { |
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308 | $map=ReadMap($enc); |
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309 | foreach($patch as $cc=>$gn) |
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310 | $map[$cc]=$gn; |
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311 | } |
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312 | else
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313 | $map=array(); |
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314 | if(!file_exists($afmfile)) |
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315 | die('<b>Error:</b> AFM file not found: '.$afmfile); |
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316 | $fm=ReadAFM($afmfile,$map); |
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317 | if($enc) |
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318 | $diff=MakeFontEncoding($map); |
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319 | else
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320 | $diff=''; |
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321 | $fd=MakeFontDescriptor($fm,empty($map)); |
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322 | //Find font type
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323 | if($fontfile) |
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324 | { |
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325 | $ext=strtolower(substr($fontfile,-3)); |
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326 | if($ext=='ttf') |
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327 | $type='TrueType'; |
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328 | elseif($ext=='pfb') |
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329 | $type='Type1'; |
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330 | else
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331 | die('<b>Error:</b> unrecognized font file extension: '.$ext); |
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332 | } |
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333 | else
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334 | { |
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335 | if($type!='TrueType' && $type!='Type1') |
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336 | die('<b>Error:</b> incorrect font type: '.$type); |
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337 | } |
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338 | //Start generation
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339 | $s='<?php'."\n"; |
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340 | $s.='$type=\''.$type."';\n"; |
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341 | $s.='$name=\''.$fm['FontName']."';\n"; |
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342 | $s.='$desc='.$fd.";\n"; |
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343 | if(!isset($fm['UnderlinePosition'])) |
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344 | $fm['UnderlinePosition']=-100; |
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345 | if(!isset($fm['UnderlineThickness'])) |
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346 | $fm['UnderlineThickness']=50; |
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347 | $s.='$up='.$fm['UnderlinePosition'].";\n"; |
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348 | $s.='$ut='.$fm['UnderlineThickness'].";\n"; |
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349 | $w=MakeWidthArray($fm); |
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350 | $s.='$cw='.$w.";\n"; |
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351 | $s.='$enc=\''.$enc."';\n"; |
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352 | $s.='$diff=\''.$diff."';\n"; |
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353 | $basename=substr(basename($afmfile),0,-4); |
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354 | if($fontfile) |
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355 | { |
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356 | //Embedded font
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357 | if(!file_exists($fontfile)) |
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358 | die('<b>Error:</b> font file not found: '.$fontfile); |
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359 | if($type=='TrueType') |
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360 | CheckTTF($fontfile); |
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361 | $f=fopen($fontfile,'rb'); |
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362 | if(!$f) |
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363 | die('<b>Error:</b> Can\'t open '.$fontfile); |
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364 | $file=fread($f,filesize($fontfile)); |
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365 | fclose($f); |
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366 | if($type=='Type1') |
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367 | { |
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368 | //Find first two sections and discard third one
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369 | $header=(ord($file[0])==128); |
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370 | if($header) |
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371 | { |
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372 | //Strip first binary header
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373 | $file=substr($file,6); |
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374 | } |
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375 | $pos=strpos($file,'eexec'); |
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376 | if(!$pos) |
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377 | die('<b>Error:</b> font file does not seem to be valid Type1'); |
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378 | $size1=$pos+6; |
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379 | if($header && ord($file[$size1])==128) |
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380 | { |
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381 | //Strip second binary header
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382 | $file=substr($file,0,$size1).substr($file,$size1+6); |
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383 | } |
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384 | $pos=strpos($file,'00000000'); |
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385 | if(!$pos) |
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386 | die('<b>Error:</b> font file does not seem to be valid Type1'); |
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387 | $size2=$pos-$size1; |
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388 | $file=substr($file,0,$size1+$size2); |
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389 | } |
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390 | if(function_exists('gzcompress')) |
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391 | { |
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392 | $cmp=$basename.'.z'; |
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393 | SaveToFile($cmp,gzcompress($file),'b'); |
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394 | $s.='$file=\''.$cmp."';\n"; |
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395 | echo 'Font file compressed ('.$cmp.')<br>'; |
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396 | } |
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397 | else
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398 | { |
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399 | $s.='$file=\''.basename($fontfile)."';\n"; |
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400 | echo '<b>Notice:</b> font file could not be compressed (zlib extension not available)<br>'; |
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401 | } |
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402 | if($type=='Type1') |
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403 | { |
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404 | $s.='$size1='.$size1.";\n"; |
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405 | $s.='$size2='.$size2.";\n"; |
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406 | } |
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407 | else
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408 | $s.='$originalsize='.filesize($fontfile).";\n"; |
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409 | } |
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410 | else
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411 | { |
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412 | //Not embedded font
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413 | $s.='$file='."'';\n"; |
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414 | } |
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415 | $s.="?>\n"; |
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416 | SaveToFile($basename.'.php',$s,'t'); |
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417 | echo 'Font definition file generated ('.$basename.'.php'.')<br>'; |
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418 | } |
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419 | ?> |