Error: encoding not found: '.$enc);
}
$cc2gn = [];
foreach ($a as $l) {
if ($l[0] == '!') {
$e = preg_split('/[ \\t]+/', rtrim($l));
$cc = hexdec(substr($e[0], 1));
$gn = $e[2];
$cc2gn[$cc] = $gn;
}
}
for ($i = 0; $i <= 255; $i++) {
if (!isset($cc2gn[$i])) {
$cc2gn[$i] = '.notdef';
}
}
return $cc2gn;
}
function ReadAFM($file, &$map)
{
//Read a font metric file
$a = file($file);
if (empty($a)) {
die('File not found');
}
$widths = [];
$fm = [];
$fix = ['Edot' => 'Edotaccent', 'edot'=>'edotaccent', 'Idot'=>'Idotaccent', 'Zdot'=>'Zdotaccent', 'zdot'=>'zdotaccent',
'Odblacute' => 'Ohungarumlaut', 'odblacute'=>'ohungarumlaut', 'Udblacute'=>'Uhungarumlaut', 'udblacute'=>'uhungarumlaut',
'Gcedilla' => 'Gcommaaccent', 'gcedilla'=>'gcommaaccent', 'Kcedilla'=>'Kcommaaccent', 'kcedilla'=>'kcommaaccent',
'Lcedilla' => 'Lcommaaccent', 'lcedilla'=>'lcommaaccent', 'Ncedilla'=>'Ncommaaccent', 'ncedilla'=>'ncommaaccent',
'Rcedilla' => 'Rcommaaccent', 'rcedilla'=>'rcommaaccent', 'Scedilla'=>'Scommaaccent', 'scedilla'=>'scommaaccent',
'Tcedilla' => 'Tcommaaccent', 'tcedilla'=>'tcommaaccent', 'Dslash'=>'Dcroat', 'dslash'=>'dcroat', 'Dmacron'=>'Dcroat', 'dmacron'=>'dcroat',
'combininggraveaccent'=> 'gravecomb', 'combininghookabove'=>'hookabovecomb', 'combiningtildeaccent'=>'tildecomb',
'combiningacuteaccent'=> 'acutecomb', 'combiningdotbelow'=>'dotbelowcomb', 'dongsign'=>'dong', ];
foreach ($a as $l) {
$e = explode(' ', rtrim($l));
if (count($e) < 2) {
continue;
}
$code = $e[0];
$param = $e[1];
if ($code == 'C') {
//Character metrics
$cc = (int) $e[1];
$w = $e[4];
$gn = $e[7];
if (substr($gn, -4) == '20AC') {
$gn = 'Euro';
}
if (isset($fix[$gn])) {
//Fix incorrect glyph name
foreach ($map as $c=>$n) {
if ($n == $fix[$gn]) {
$map[$c] = $gn;
}
}
}
if (empty($map)) {
//Symbolic font: use built-in encoding
$widths[$cc] = $w;
} else {
$widths[$gn] = $w;
if ($gn == 'X') {
$fm['CapXHeight'] = $e[13];
}
}
if ($gn == '.notdef') {
$fm['MissingWidth'] = $w;
}
} elseif ($code == 'FontName') {
$fm['FontName'] = $param;
} elseif ($code == 'Weight') {
$fm['Weight'] = $param;
} elseif ($code == 'ItalicAngle') {
$fm['ItalicAngle'] = (float) $param;
} elseif ($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') {
$fm['FontBBox'] = [$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['FontName'])) {
die('FontName not found');
}
if (!empty($map)) {
if (!isset($widths['.notdef'])) {
$widths['.notdef'] = 600;
}
if (!isset($widths['Delta']) && isset($widths['increment'])) {
$widths['Delta'] = $widths['increment'];
}
//Order widths according to map
for ($i = 0; $i <= 255; $i++) {
if (!isset($widths[$map[$i]])) {
echo 'Warning: character '.$map[$i].' is missing
';
$widths[$i] = $widths['.notdef'];
} else {
$widths[$i] = $widths[$map[$i]];
}
}
}
$fm['Widths'] = $widths;
return $fm;
}
function MakeFontDescriptor($fm, $symbolic)
{
//Ascent
$asc = (isset($fm['Ascender']) ? $fm['Ascender'] : 1000);
$fd = "array('Ascent'=>".$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']) && $fm['IsFixedPitch']) {
$flags += 1 << 0;
}
if ($symbolic) {
$flags += 1 << 2;
}
if (!$symbolic) {
$flags += 1 << 5;
}
if (isset($fm['ItalicAngle']) && $fm['ItalicAngle'] != 0) {
$flags += 1 << 6;
}
$fd .= ",'Flags'=>".$flags;
//FontBBox
if (isset($fm['FontBBox'])) {
$fbb = $fm['FontBBox'];
} else {
$fbb = [0, $desc - 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']) && preg_match('/bold|black/i', $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 = "array(\n\t";
$cw = $fm['Widths'];
for ($i = 0; $i <= 255; $i++) {
if (chr($i) == "'") {
$s .= "'\\''";
} elseif (chr($i) == '\\') {
$s .= "'\\\\'";
} elseif ($i >= 32 && $i <= 126) {
$s .= "'".chr($i)."'";
} else {
$s .= "chr($i)";
}
$s .= '=>'.$fm['Widths'][$i];
if ($i < 255) {
$s .= ',';
}
if (($i + 1) % 22 == 0) {
$s .= "\n\t";
}
}
$s .= ')';
return $s;
}
function MakeFontEncoding($map)
{
//Build differences from reference encoding
$ref = ReadMap('cp1252');
$s = '';
$last = 0;
for ($i = 32; $i <= 255; $i++) {
if ($map[$i] != $ref[$i]) {
if ($i != $last + 1) {
$s .= $i.' ';
}
$last = $i;
$s .= '/'.$map[$i].' ';
}
}
return rtrim($s);
}
function SaveToFile($file, $s, $mode)
{
$f = fopen($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 (!$f) {
die('Error: Can\'t open '.$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 && !$pp && !$e) {
echo 'Warning: font license does not allow embedding';
}
}
/*******************************************************************************
* fontfile: path to TTF file (or empty string if not to be embedded) *
* afmfile: path to AFM file *
* enc: font encoding (or empty string for symbolic fonts) *
* patch: optional patch for encoding *
* type: font type if fontfile is empty *
*******************************************************************************/
function MakeFont($fontfile, $afmfile, $enc = 'cp1252', $patch = [], $type = 'TrueType')
{
//Generate a font definition file
if (get_magic_quotes_runtime()) {
@set_magic_quotes_runtime(0);
}
ini_set('auto_detect_line_endings', '1');
if ($enc) {
$map = ReadMap($enc);
foreach ($patch as $cc=>$gn) {
$map[$cc] = $gn;
}
} else {
$map = [];
}
if (!file_exists($afmfile)) {
die('Error: AFM file not found: '.$afmfile);
}
$fm = ReadAFM($afmfile, $map);
if ($enc) {
$diff = MakeFontEncoding($map);
} else {
$diff = '';
}
$fd = MakeFontDescriptor($fm, empty($map));
//Find font type
if ($fontfile) {
$ext = strtolower(substr($fontfile, -3));
if ($ext == 'ttf') {
$type = 'TrueType';
} elseif ($ext == 'pfb') {
$type = 'Type1';
} else {
die('Error: unrecognized font file extension: '.$ext);
}
} else {
if ($type != 'TrueType' && $type != 'Type1') {
die('Error: incorrect font type: '.$type);
}
}
//Start generation
$s = 'Error: font file not found: '.$fontfile);
}
if ($type == 'TrueType') {
CheckTTF($fontfile);
}
$f = fopen($fontfile, 'rb');
if (!$f) {
die('Error: Can\'t open '.$fontfile);
}
$file = fread($f, filesize($fontfile));
fclose($f);
if ($type == 'Type1') {
//Find first two sections and discard third one
$header = (ord($file[0]) == 128);
if ($header) {
//Strip first binary header
$file = substr($file, 6);
}
$pos = strpos($file, 'eexec');
if (!$pos) {
die('Error: font file does not seem to be valid Type1');
}
$size1 = $pos + 6;
if ($header && ord($file[$size1]) == 128) {
//Strip second binary header
$file = substr($file, 0, $size1).substr($file, $size1 + 6);
}
$pos = strpos($file, '00000000');
if (!$pos) {
die('Error: font file does not seem to be valid Type1');
}
$size2 = $pos - $size1;
$file = substr($file, 0, $size1 + $size2);
}
if (function_exists('gzcompress')) {
$cmp = $basename.'.z';
SaveToFile($cmp, gzcompress($file), 'b');
$s .= '$file=\''.$cmp."';\n";
echo 'Font file compressed ('.$cmp.')
';
} else {
$s .= '$file=\''.basename($fontfile)."';\n";
echo 'Notice: font file could not be compressed (zlib extension not available)
';
}
if ($type == 'Type1') {
$s .= '$size1='.$size1.";\n";
$s .= '$size2='.$size2.";\n";
} else {
$s .= '$originalsize='.filesize($fontfile).";\n";
}
} else {
//Not embedded font
$s .= '$file='."'';\n";
}
$s .= "?>\n";
SaveToFile($basename.'.php', $s, 't');
echo 'Font definition file generated ('.$basename.'.php'.')
';
}