/**
* @param string $file
* @param array $options
* @return array
*/
public static function generate($file, array $options)
{
Cufon::log('Processing %s', $file);
$script = new FontForgeScript();
$script->open($file);
$script->flattenCID();
$script->reEncode('unicode');
$script->selectNone();
if (!empty($options['glyphs'])) {
foreach ($options['glyphs'] as $glyph) {
$ranges = explode(',', $glyph);
foreach ($ranges as $range) {
if (strpos($range, '-')) {
// the range regex allows for things like 0xff-0xff-0xff, so we'll
// just ignore everything between the first and last one.
$points = explode('-', $range);
$script->selectUnicodeRange(intval(reset($points), 16), intval(end($points), 16));
} else {
$script->selectUnicode(intval($range, 16));
}
}
}
}
if (!empty($options['customGlyphs'])) {
$glyphs = preg_split('//u', $options['customGlyphs'], -1, PREG_SPLIT_NO_EMPTY);
foreach ($glyphs as $glyph) {
$script->selectUnicode(UnicodeRange::getCodePoint($glyph));
}
}
$script->selectInvert();
$script->detachAndRemoveGlyphs();
$script->setFontOrder(FontForgeScript::ORDER_CUBIC);
if (!$options['disableScaling']) {
$script->scaleToEm($options['emSize']);
}
$script->selectAll();
$script->verticalFlip(0);
if ($options['simplify']) {
$script->simplify($options['simplifyDelta']);
}
$script->roundToInt(1);
$svgFile = Cufon::getUnusedFilename('.svg');
Cufon::log('Converting to SVG with filename %s', $svgFile);
$script->printNameIDs();
$script->generate($svgFile);
$output = trim($script->execute());
$fonts = array();
$copyright = '';
if (!empty($output)) {
$copyright = self::createJSDocComment("The following copyright notice may not be removed under " . "any circumstances.\n\n{$output}");
}
foreach (SVGFontContainer::fromFile($svgFile, $options) as $font) {
$fonts[$font->getId()] = sprintf("%s%s(%s);\n", $copyright, $options['callback'], $font->toJavaScript());
}
unlink($svgFile);
return $fonts;
}
/**
* @param string $file
* @param array $options
* @return array
*/
public static function generate($file, array $options)
{
Cufon::log('Processing %s', $file);
$script = new FontForgeScript();
$script->open($file);
$script->selectNone();
if (!empty($options['glyphs'])) {
foreach ($options['glyphs'] as $glyph) {
$ranges = explode(',', $glyph);
foreach ($ranges as $range) {
if (strpos($range, '-')) {
// the range regex allows for things like 0xff-0xff-0xff, so we'll
// just ignore everything between the first and last one.
$points = explode('-', $range);
$script->selectUnicodeRange(intval(reset($points), 16), intval(end($points), 16));
} else {
$script->selectUnicode(intval($range, 16));
}
}
}
}
if (!empty($options['customGlyphs'])) {
$glyphs = preg_split('//u', $options['customGlyphs'], -1, PREG_SPLIT_NO_EMPTY);
foreach ($glyphs as $glyph) {
// http://www.php.net/manual/en/function.ord.php#68914
$cp = unpack('N', mb_convert_encoding($glyph, 'UCS-4BE', 'UTF-8'));
$script->selectUnicode($cp[1]);
}
}
$script->selectInvert();
$script->detachAndRemoveGlyphs();
$script->setFontOrder(FontForgeScript::ORDER_CUBIC);
if (!$options['disableScaling']) {
$script->scaleToEm($options['emSize']);
}
$script->removeAllKerns();
$script->selectAll();
$script->verticalFlip(0);
if ($options['simplify']) {
$script->simplify($options['simplifyDelta']);
}
$script->roundToInt(1);
$svgFile = Cufon::getUnusedFilename('.svg');
Cufon::log('Converting to SVG with filename %s', $svgFile);
$script->generate($svgFile);
$script->execute();
$fonts = array();
foreach (SVGFontContainer::fromFile($svgFile) as $font) {
$fonts[$font->getId()] = $options['callback'] . '(' . $font->toJSON() . ');';
}
unlink($svgFile);
return $fonts;
}
/**
* @return string
*/
public function toJavaScript()
{
$font = $this->document;
$fontJSON = array('w' => (int) $font['horiz-adv-x'], 'face' => array(), 'glyphs' => array(' ' => new stdClass()));
$face = $font->xpath('font-face');
if (empty($face)) {
return null;
}
foreach ($face[0]->attributes() as $key => $val) {
$fontJSON['face'][$key] = $this->getSanitizedFaceValue($key, (string) $val);
}
$nameIndex = array();
$charIndex = array();
foreach ($font->xpath('glyph') as $glyph) {
if (!isset($glyph['unicode'])) {
continue;
}
if (mb_strlen($glyph['unicode'], 'utf-8') > 1) {
// it's a ligature, for now we'll just ignore it
continue;
}
$data = new stdClass();
if (isset($glyph['d'])) {
$data->d = substr(VMLPath::fromSVG((string) $glyph['d']), 1, -2);
// skip m and xe
}
if (isset($glyph['horiz-adv-x'])) {
$data->w = (int) $glyph['horiz-adv-x'];
}
$char = (string) $glyph['unicode'];
if (isset($glyph['glyph-name'])) {
foreach (explode(',', (string) $glyph['glyph-name']) as $glyphName) {
$nameIndex[$glyphName] = $char;
$charIndex[$char] = $data;
}
}
$fontJSON['glyphs'][$char] = $data;
}
$options = $this->container->getOptions();
$emSize = (int) $fontJSON['face']['units-per-em'];
// for some extremely weird reason FontForge sometimes pumps out
// astronomical kerning values.
// @todo figure out what's really wrong
$kerningLimit = $emSize * 2;
if ($options['kerning']) {
foreach ($font->xpath('hkern') as $hkern) {
$k = (int) $hkern['k'];
if (abs($k) > $kerningLimit) {
continue;
}
$firstSet = array();
$secondSet = array();
if (isset($hkern['u1'])) {
$firstSet = self::getMatchingCharsFromUnicodeRange((string) $hkern['u1'], $charIndex);
}
if (isset($hkern['g1'])) {
$firstSet = array_merge($firstSet, self::getMatchingCharsFromGlyphNames((string) $hkern['g1'], $nameIndex));
}
if (isset($hkern['u2'])) {
$secondSet = self::getMatchingCharsFromUnicodeRange((string) $hkern['u2'], $charIndex);
}
if (isset($hkern['g2'])) {
$secondSet = array_merge($secondSet, self::getMatchingCharsFromGlyphNames((string) $hkern['g2'], $nameIndex));
}
if (!empty($secondSet)) {
foreach ($firstSet as $firstGlyph) {
foreach ($secondSet as $secondGlyph) {
$glyph = $fontJSON['glyphs'][$firstGlyph];
if (!isset($glyph->k)) {
$glyph->k = array();
}
$glyph->k[$secondGlyph] = $k;
}
}
}
}
}
$nbsp = utf8_encode(chr(0xa0));
if (!isset($fontJSON['glyphs'][$nbsp]) && isset($fontJSON['glyphs'][' '])) {
$fontJSON['glyphs'][$nbsp] = $fontJSON['glyphs'][' '];
}
return self::processFont($fontJSON, $options);
}
