Subversion Repositories ALCASAR

Rev

Go to most recent revision | Details | Last modification | View Log

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