/** write TrueType file to the random access file */
public void write() throws IOException {
m_cmap.write();
// hmtx must be written before hhea
m_hmtx.write();
m_hhea.write();
m_glyf.write();
m_loca.write();
m_head.setCheckSumAdjustment(0);
m_head.write();
m_maxp.write(); // must be written after m_glyf
m_hdmx.write();
m_name.write();
m_post.write();
m_os2.write();
writeTableDirectory();
byte[] tableDir = toByteArray();
for (FontFormatWriter table : m_tables) {
m_buffer.write(table.toByteArray());
} // for table
long checkSum = 0xb1b0afba - (0xffffffff & getCheckSum());
m_head.setCheckSumAdjustment(checkSum);
m_head.reset();
m_head.write();
reset();
m_buffer.write(tableDir);
for (FontFormatWriter table : m_tables) {
m_buffer.write(table.toByteArray());
} // for table
// FileOutputStream writer = new FileOutputStream(m_file);
// writer.write(toByteArray());
// writer.close();
}
/**
* writes table directory.
*
* @throws IOException
*/
private void writeTableDirectory() throws IOException {
int headerLength = m_tables.size() * 16 + 16;
int tableOffset = headerLength;
for (FontFormatWriter table : m_tables) {
table.setOffset(tableOffset);
tableOffset += table.size();
} // for table
ArrayList<FontFormatWriter> tables = (ArrayList<FontFormatWriter>) m_tables.clone();
Collections.sort(
tables,
new Comparator<FontFormatWriter>() {
public int compare(FontFormatWriter a_lhs, FontFormatWriter a_rhs) {
return a_lhs.getTag().compareTo(a_rhs.getTag());
}
public boolean equals(Object a_value) {
return false;
}
});
writeFixed32(1.0);
int numOfTables = tables.size();
writeUInt16(numOfTables);
int searchRange = getSearchRange(numOfTables);
writeUInt16(searchRange);
int entrySelector = getEntrySelector(numOfTables);
writeUInt16(entrySelector);
writeUInt16(numOfTables * 16 - searchRange);
for (FontFormatWriter table : tables) {
writeTag(table.getTag());
writeUInt32(table.getCheckSum());
writeUInt32(table.getOffset());
writeUInt32(table.size());
} // for
// padding is always 4 zeros
for (int i = 0; i < 4; i++) {
writeUInt8(0);
} // for i
}