private function readString($name)
{
$font = $this->font;
$size = $font->readUInt16();
$this->data["{$name}Size"] = $size;
$this->data[$name] = Font::UTF16ToUTF8($font->read($size));
}
protected function _encode()
{
if (empty($this->data)) {
Font::d(" >> Table is empty");
return 0;
}
return $this->getFont()->pack($this->def, $this->data);
}
protected function _parse()
{
$font = $this->getFont();
$tableOffset = $font->pos();
$data = $font->unpack(self::$header_format);
$records = array();
for ($i = 0; $i < $data["count"]; $i++) {
$record = new nameRecord();
$record_data = $font->unpack(nameRecord::$format);
$record->map($record_data);
$records[] = $record;
}
$names = array();
foreach ($records as $record) {
$font->seek($tableOffset + $data["stringOffset"] + $record->offset);
$s = $font->read($record->length);
$record->string = Font::UTF16ToUTF8($s);
$names[$record->nameID] = $record;
}
$data["records"] = $names;
$this->data = $data;
}
static function register_font($style, $remote_file)
{
$fontname = mb_strtolower($style["family"]);
$families = Font_Metrics::get_font_families();
$entry = array();
if (isset($families[$fontname])) {
$entry = $families[$fontname];
}
$local_file = DOMPDF_FONT_DIR . md5($remote_file);
$cache_entry = $local_file;
$local_file .= ".ttf";
$style_string = Font_Metrics::get_type("{$style['weight']} {$style['style']}");
if (!isset($entry[$style_string])) {
$entry[$style_string] = $cache_entry;
Font_Metrics::set_font_family($fontname, $entry);
// Download the remote file
if (!is_file($local_file)) {
file_put_contents($local_file, file_get_contents($remote_file));
}
$font = Font::load($local_file);
if (!$font) {
return false;
}
$font->parse();
$font->saveAdobeFontMetrics("{$cache_entry}.ufm");
// Save the changes
Font_Metrics::save_font_families();
}
return true;
}
/**
* Installs a new font family
* This function maps a font-family name to a font. It tries to locate the
* bold, italic, and bold italic versions of the font as well. Once the
* files are located, ttf versions of the font are copied to the fonts
* directory. Changes to the font lookup table are saved to the cache.
*
* @param string $fontname the font-family name
* @param string $normal the filename of the normal face font subtype
* @param string $bold the filename of the bold face font subtype
* @param string $italic the filename of the italic face font subtype
* @param string $bold_italic the filename of the bold italic face font subtype
*
* @throws Exception
*/
function install_font_family($dompdf, $fontname, $normal, $bold = null, $italic = null, $bold_italic = null)
{
$fontMetrics = $dompdf->getFontMetrics();
// Check if the base filename is readable
if (!is_readable($normal)) {
throw new Exception("Unable to read '{$normal}'.");
}
$dir = dirname($normal);
$basename = basename($normal);
$last_dot = strrpos($basename, '.');
if ($last_dot !== false) {
$file = substr($basename, 0, $last_dot);
$ext = strtolower(substr($basename, $last_dot));
} else {
$file = $basename;
$ext = '';
}
if (!in_array($ext, array(".ttf", ".otf"))) {
throw new Exception("Unable to process fonts of type '{$ext}'.");
}
// Try $file_Bold.$ext etc.
$path = "{$dir}/{$file}";
$patterns = array("bold" => array("_Bold", "b", "B", "bd", "BD"), "italic" => array("_Italic", "i", "I"), "bold_italic" => array("_Bold_Italic", "bi", "BI", "ib", "IB"));
foreach ($patterns as $type => $_patterns) {
if (!isset(${$type}) || !is_readable(${$type})) {
foreach ($_patterns as $_pattern) {
if (is_readable("{$path}{$_pattern}{$ext}")) {
${$type} = "{$path}{$_pattern}{$ext}";
break;
}
}
if (is_null(${$type})) {
echo "Unable to find {$type} face file.\n";
}
}
}
$fonts = compact("normal", "bold", "italic", "bold_italic");
$entry = array();
// Copy the files to the font directory.
foreach ($fonts as $var => $src) {
if (is_null($src)) {
$entry[$var] = $dompdf->getOptions()->get('fontDir') . '/' . mb_substr(basename($normal), 0, -4);
continue;
}
// Verify that the fonts exist and are readable
if (!is_readable($src)) {
throw new Exception("Requested font '{$src}' is not readable");
}
$dest = $dompdf->getOptions()->get('fontDir') . '/' . basename($src);
if (!is_writeable(dirname($dest))) {
throw new Exception("Unable to write to destination '{$dest}'.");
}
echo "Copying {$src} to {$dest}...\n";
if (!copy($src, $dest)) {
throw new Exception("Unable to copy '{$src}' to '{$dest}'");
}
$entry_name = mb_substr($dest, 0, -4);
echo "Generating Adobe Font Metrics for {$entry_name}...\n";
$font_obj = Font::load($dest);
$font_obj->saveAdobeFontMetrics("{$entry_name}.ufm");
$entry[$var] = $entry_name;
}
// Store the fonts in the lookup table
$fontMetrics->setFontFamily($fontname, $entry);
// Save the changes
$fontMetrics->saveFontFamilies();
}
public function testLoadTTFFontSuccessfully()
{
$trueTypeFont = Font::load('sample-fonts/IntelClear-Light.ttf');
$this->assertInstanceOf('FontLib\\TrueType\\File', $trueTypeFont);
}
function encode($entry_offset)
{
Font::d("\n==== {$this->tag} ====");
//Font::d("Entry offset = $entry_offset");
$data = $this->font_table;
$font = $this->font;
$table_offset = $font->pos();
$this->offset = $table_offset;
$table_length = $data->encode();
$font->seek($table_offset);
$table_data = $font->read($table_length);
$font->seek($entry_offset);
$font->write($this->tag, 4);
$font->writeUInt32(self::computeChecksum($table_data));
$font->writeUInt32($table_offset);
$font->writeUInt32($table_length);
Font::d("Bytes written = {$table_length}");
$font->seek($table_offset + $table_length);
}
use FontLib\Font;
use FontLib\Binary_Stream;
$fontfile = null;
if (isset($_GET["fontfile"])) {
$fontfile = basename($_GET["fontfile"]);
$fontfile = "../fonts/{$fontfile}";
}
if (!file_exists($fontfile)) {
return;
}
$name = isset($_GET["name"]) ? $_GET["name"] : null;
if (isset($_POST["subset"])) {
$subset = $_POST["subset"];
ob_start();
require_once "../src/FontLib/Autoloader.php";
$font = Font::load($fontfile);
$font->parse();
$font->setSubset($subset);
$font->reduce();
$new_filename = basename($fontfile);
$dot = strpos($new_filename, ".");
$new_filename = substr($new_filename, 0, $dot) . "-subset" . substr($new_filename, $dot);
header("Content-Type: font/truetype");
header("Content-Disposition: attachment; filename=\"{$new_filename}\"");
$tmp = tempnam(sys_get_temp_dir(), "fnt");
$font->open($tmp, Binary_Stream::modeWrite);
$font->encode(array("OS/2"));
$font->close();
ob_end_clean();
readfile($tmp);
unlink($tmp);
$stream->w($type, $data);
$stream->seek(0);
$new_data = $stream->r($type);
if ($new_data !== $data) {
echo "NOT OK \t $data \t => $new_data<br />";
}
else {
echo "OK $type<br />";
}
}*/
// font RW
$filename = "../fonts/DejaVuSansMono.ttf";
$filename_out = "{$filename}.2.ttf";
Font::$debug = true;
$font = Font::load($filename);
$font->parse();
$font->setSubset("(.apbiI,mn");
$font->reduce();
$font->open($filename_out, Binary_Stream::modeWrite);
$font->encode(array("OS/2"));
?>
File size: <?php
echo number_format(filesize($filename_out), 0, ".", " ");
?>
bytes
Memory: <?php
echo memory_get_peak_usage(true) / 1024;
?>
KB
public function getUTF16()
{
return Font::UTF8ToUTF16($this->string);
}
function encode($tags = array())
{
if (!self::$raw) {
$tags = array_merge(array("head", "hhea", "cmap", "hmtx", "maxp", "glyf", "loca", "name", "post"), $tags);
} else {
$tags = array_keys($this->directory);
}
$num_tables = count($tags);
$n = 16;
// @todo
Font::d("Tables : " . implode(", ", $tags));
/** @var DirectoryEntry[] $entries */
$entries = array();
foreach ($tags as $tag) {
if (!isset($this->directory[$tag])) {
Font::d(" >> '{$tag}' table doesn't exist");
continue;
}
$entries[$tag] = $this->directory[$tag];
}
$this->header->data["numTables"] = $num_tables;
$this->header->encode();
$directory_offset = $this->pos();
$offset = $directory_offset + $num_tables * $n;
$this->seek($offset);
$i = 0;
foreach ($entries as $entry) {
$entry->encode($directory_offset + $i * $n);
$i++;
}
}
/**
* @param array $style
* @param string $remoteFile
* @param resource $context
* @return bool
*/
public function registerFont($style, $remoteFile, $context = null)
{
$fontDir = $this->getOptions()->getFontDir();
$fontname = mb_strtolower($style["family"]);
$families = $this->getFontFamilies();
$entry = array();
if (isset($families[$fontname])) {
$entry = $families[$fontname];
}
$localFile = $fontDir . DIRECTORY_SEPARATOR . md5($remoteFile);
$localTempFile = $this->options->get('tempDir') . "/" . md5($remoteFile);
$cacheEntry = $localFile;
$localFile .= ".ttf";
$styleString = $this->getType("{$style['weight']} {$style['style']}");
if (!isset($entry[$styleString])) {
$entry[$styleString] = $cacheEntry;
// Download the remote file
file_put_contents($localTempFile, file_get_contents($remoteFile, null, $context));
$font = Font::load($localTempFile);
if (!$font) {
unlink($localTempFile);
return false;
}
$font->parse();
$font->saveAdobeFontMetrics("{$cacheEntry}.ufm");
unlink($localTempFile);
if (!file_exists("{$cacheEntry}.ufm")) {
return false;
}
// Save the changes
file_put_contents($localFile, file_get_contents($remoteFile, null, $context));
if (!file_exists($localFile)) {
unlink("{$cacheEntry}.ufm");
return false;
}
$this->setFontFamily($fontname, $entry);
$this->saveFontFamilies();
}
return true;
}
/**
* if the font is not loaded then load it and make the required object
* else just make it the current font
* the encoding array can contain 'encoding'=> 'none','WinAnsiEncoding','MacRomanEncoding' or 'MacExpertEncoding'
* note that encoding='none' will need to be used for symbolic fonts
* and 'differences' => an array of mappings between numbers 0->255 and character names.
*
*/
function selectFont($fontName, $encoding = '', $set = true)
{
$ext = substr($fontName, -4);
if ($ext === '.afm' || $ext === '.ufm') {
$fontName = substr($fontName, 0, mb_strlen($fontName) - 4);
}
if (!isset($this->fonts[$fontName])) {
$this->addMessage("selectFont: selecting - {$fontName} - {$encoding}, {$set}");
// load the file
$this->openFont($fontName);
if (isset($this->fonts[$fontName])) {
$this->numObj++;
$this->numFonts++;
$font =& $this->fonts[$fontName];
//$this->numFonts = md5($fontName);
$pos = strrpos($fontName, '/');
// $dir = substr($fontName,0,$pos+1);
$name = substr($fontName, $pos + 1);
$options = array('name' => $name, 'fontFileName' => $fontName);
if (is_array($encoding)) {
// then encoding and differences might be set
if (isset($encoding['encoding'])) {
$options['encoding'] = $encoding['encoding'];
}
if (isset($encoding['differences'])) {
$options['differences'] = $encoding['differences'];
}
} else {
if (mb_strlen($encoding, '8bit')) {
// then perhaps only the encoding has been set
$options['encoding'] = $encoding;
}
}
$fontObj = $this->numObj;
$this->o_font($this->numObj, 'new', $options);
$font['fontNum'] = $this->numFonts;
// if this is a '.afm' font, and there is a '.pfa' file to go with it ( as there
// should be for all non-basic fonts), then load it into an object and put the
// references into the font object
$basefile = $fontName;
$fbtype = '';
if (file_exists("{$basefile}.pfb")) {
$fbtype = 'pfb';
} else {
if (file_exists("{$basefile}.ttf")) {
$fbtype = 'ttf';
}
}
$fbfile = "{$basefile}.{$fbtype}";
// $pfbfile = substr($fontName,0,strlen($fontName)-4).'.pfb';
// $ttffile = substr($fontName,0,strlen($fontName)-4).'.ttf';
$this->addMessage('selectFont: checking for - ' . $fbfile);
// OAR - I don't understand this old check
// if (substr($fontName, -4) === '.afm' && strlen($fbtype)) {
if ($fbtype) {
$adobeFontName = isset($font['PostScriptName']) ? $font['PostScriptName'] : $font['FontName'];
// $fontObj = $this->numObj;
$this->addMessage("selectFont: adding font file - {$fbfile} - {$adobeFontName}");
// find the array of font widths, and put that into an object.
$firstChar = -1;
$lastChar = 0;
$widths = array();
$cid_widths = array();
foreach ($font['C'] as $num => $d) {
if (intval($num) > 0 || $num == '0') {
if (!$font['isUnicode']) {
// With Unicode, widths array isn't used
if ($lastChar > 0 && $num > $lastChar + 1) {
for ($i = $lastChar + 1; $i < $num; $i++) {
$widths[] = 0;
}
}
}
$widths[] = $d;
if ($font['isUnicode']) {
$cid_widths[$num] = $d;
}
if ($firstChar == -1) {
$firstChar = $num;
}
$lastChar = $num;
}
}
// also need to adjust the widths for the differences array
if (isset($options['differences'])) {
foreach ($options['differences'] as $charNum => $charName) {
if ($charNum > $lastChar) {
if (!$font['isUnicode']) {
// With Unicode, widths array isn't used
for ($i = $lastChar + 1; $i <= $charNum; $i++) {
$widths[] = 0;
}
}
$lastChar = $charNum;
}
if (isset($font['C'][$charName])) {
$widths[$charNum - $firstChar] = $font['C'][$charName];
if ($font['isUnicode']) {
$cid_widths[$charName] = $font['C'][$charName];
}
}
}
}
if ($font['isUnicode']) {
$font['CIDWidths'] = $cid_widths;
}
$this->addMessage('selectFont: FirstChar = ' . $firstChar);
$this->addMessage('selectFont: LastChar = ' . $lastChar);
$widthid = -1;
if (!$font['isUnicode']) {
// With Unicode, widths array isn't used
$this->numObj++;
$this->o_contents($this->numObj, 'new', 'raw');
$this->objects[$this->numObj]['c'] .= '[' . implode(' ', $widths) . ']';
$widthid = $this->numObj;
}
$missing_width = 500;
$stemV = 70;
if (isset($font['MissingWidth'])) {
$missing_width = $font['MissingWidth'];
}
if (isset($font['StdVW'])) {
$stemV = $font['StdVW'];
} else {
if (isset($font['Weight']) && preg_match('!(bold|black)!i', $font['Weight'])) {
$stemV = 120;
}
}
// load the pfb file, and put that into an object too.
// note that pdf supports only binary format type 1 font files, though there is a
// simple utility to convert them from pfa to pfb.
// FIXME: should we move font subset creation to CPDF::output? See notes in issue #750.
if (!$this->isUnicode || $fbtype !== 'ttf' || empty($this->stringSubsets)) {
$data = file_get_contents($fbfile);
} else {
$this->stringSubsets[$fontName][] = 32;
// Force space if not in yet
$subset = $this->stringSubsets[$fontName];
sort($subset);
// Load font
$font_obj = Font::load($fbfile);
$font_obj->parse();
// Define subset
$font_obj->setSubset($subset);
$font_obj->reduce();
// Write new font
$tmp_name = $this->tmp . "/" . basename($fbfile) . ".tmp." . uniqid();
$font_obj->open($tmp_name, BinaryStream::modeWrite);
$font_obj->encode(array("OS/2"));
$font_obj->close();
// Parse the new font to get cid2gid and widths
$font_obj = Font::load($tmp_name);
// Find Unicode char map table
$subtable = null;
foreach ($font_obj->getData("cmap", "subtables") as $_subtable) {
if ($_subtable["platformID"] == 0 || $_subtable["platformID"] == 3 && $_subtable["platformSpecificID"] == 1) {
$subtable = $_subtable;
break;
}
}
if ($subtable) {
$glyphIndexArray = $subtable["glyphIndexArray"];
$hmtx = $font_obj->getData("hmtx");
unset($glyphIndexArray[0xffff]);
$cidtogid = str_pad('', max(array_keys($glyphIndexArray)) * 2 + 1, "");
$font['CIDWidths'] = array();
foreach ($glyphIndexArray as $cid => $gid) {
if ($cid >= 0 && $cid < 0xffff && $gid) {
$cidtogid[$cid * 2] = chr($gid >> 8);
$cidtogid[$cid * 2 + 1] = chr($gid & 0xff);
}
$width = $font_obj->normalizeFUnit(isset($hmtx[$gid]) ? $hmtx[$gid][0] : $hmtx[0][0]);
$font['CIDWidths'][$cid] = $width;
}
$font['CIDtoGID'] = base64_encode(gzcompress($cidtogid));
$font['CIDtoGID_Compressed'] = true;
$data = file_get_contents($tmp_name);
} else {
$data = file_get_contents($fbfile);
}
$font_obj->close();
unlink($tmp_name);
}
// create the font descriptor
$this->numObj++;
$fontDescriptorId = $this->numObj;
$this->numObj++;
$pfbid = $this->numObj;
// determine flags (more than a little flakey, hopefully will not matter much)
$flags = 0;
if ($font['ItalicAngle'] != 0) {
$flags += pow(2, 6);
}
if ($font['IsFixedPitch'] === 'true') {
$flags += 1;
}
$flags += pow(2, 5);
// assume non-sybolic
$list = array('Ascent' => 'Ascender', 'CapHeight' => 'Ascender', 'MissingWidth' => 'MissingWidth', 'Descent' => 'Descender', 'FontBBox' => 'FontBBox', 'ItalicAngle' => 'ItalicAngle');
$fdopt = array('Flags' => $flags, 'FontName' => $adobeFontName, 'StemV' => $stemV);
foreach ($list as $k => $v) {
if (isset($font[$v])) {
$fdopt[$k] = $font[$v];
}
}
if ($fbtype === 'pfb') {
$fdopt['FontFile'] = $pfbid;
} else {
if ($fbtype === 'ttf') {
$fdopt['FontFile2'] = $pfbid;
}
}
$this->o_fontDescriptor($fontDescriptorId, 'new', $fdopt);
// embed the font program
$this->o_contents($this->numObj, 'new');
$this->objects[$pfbid]['c'] .= $data;
// determine the cruicial lengths within this file
if ($fbtype === 'pfb') {
$l1 = strpos($data, 'eexec') + 6;
$l2 = strpos($data, '00000000') - $l1;
$l3 = mb_strlen($data, '8bit') - $l2 - $l1;
$this->o_contents($this->numObj, 'add', array('Length1' => $l1, 'Length2' => $l2, 'Length3' => $l3));
} else {
if ($fbtype == 'ttf') {
$l1 = mb_strlen($data, '8bit');
$this->o_contents($this->numObj, 'add', array('Length1' => $l1));
}
}
// tell the font object about all this new stuff
$tmp = array('BaseFont' => $adobeFontName, 'MissingWidth' => $missing_width, 'Widths' => $widthid, 'FirstChar' => $firstChar, 'LastChar' => $lastChar, 'FontDescriptor' => $fontDescriptorId);
if ($fbtype === 'ttf') {
$tmp['SubType'] = 'TrueType';
}
$this->addMessage("adding extra info to font.({$fontObj})");
foreach ($tmp as $fk => $fv) {
$this->addMessage("{$fk} : {$fv}");
}
$this->o_font($fontObj, 'add', $tmp);
} else {
$this->addMessage('selectFont: pfb or ttf file not found, ok if this is one of the 14 standard fonts');
}
// also set the differences here, note that this means that these will take effect only the
//first time that a font is selected, else they are ignored
if (isset($options['differences'])) {
$font['differences'] = $options['differences'];
}
}
}
if ($set && isset($this->fonts[$fontName])) {
// so if for some reason the font was not set in the last one then it will not be selected
$this->currentBaseFont = $fontName;
// the next lines mean that if a new font is selected, then the current text state will be
// applied to it as well.
$this->currentFont = $this->currentBaseFont;
$this->currentFontNum = $this->fonts[$this->currentFont]['fontNum'];
//$this->setCurrentFont();
}
return $this->currentFontNum;
//return $this->numObj;
}
