private Map<Header, WritableFontData> loadTableData(
SortedSet<Header> headers, FontInputStream is) throws IOException {
Map<Header, WritableFontData> tableData =
new HashMap<Header, WritableFontData>(headers.size());
logger.fine("######## Reading Table Data");
for (Header tableHeader : headers) {
is.skip(tableHeader.offset() - is.position());
logger.finer("\t" + tableHeader);
logger.finest("\t\tStream Position = " + Integer.toHexString((int) is.position()));
// don't close this or the whole stream is gone
FontInputStream tableIS = new FontInputStream(is, tableHeader.length());
// TODO(stuartg): start tracking bad tables and other errors
WritableFontData data = WritableFontData.createWritableFontData(tableHeader.length());
data.copyFrom(tableIS, tableHeader.length());
tableData.put(tableHeader, data);
}
return tableData;
}
private Map<Header, WritableFontData> loadTableData(
SortedSet<Header> headers, WritableFontData fd) {
Map<Header, WritableFontData> tableData =
new HashMap<Header, WritableFontData>(headers.size());
logger.fine("######## Reading Table Data");
for (Header tableHeader : headers) {
WritableFontData data = fd.slice(tableHeader.offset(), tableHeader.length());
tableData.put(tableHeader, data);
}
return tableData;
}
/**
* Searialize the headers.
*
* @param fos the destination stream for the headers
* @param tableHeaders the headers to serialize
* @throws IOException
*/
private void serializeHeader(FontOutputStream fos, List<Header> tableHeaders) throws IOException {
fos.writeFixed(this.sfntVersion);
fos.writeUShort(tableHeaders.size());
int log2OfMaxPowerOf2 = FontMath.log2(tableHeaders.size());
int searchRange = 2 << (log2OfMaxPowerOf2 - 1 + 4);
fos.writeUShort(searchRange);
fos.writeUShort(log2OfMaxPowerOf2);
fos.writeUShort((tableHeaders.size() * 16) - searchRange);
List<Header> sortedHeaders = new ArrayList<Header>(tableHeaders);
Collections.sort(sortedHeaders, Header.COMPARATOR_BY_TAG);
for (Header record : sortedHeaders) {
fos.writeULong(record.tag());
fos.writeULong(record.checksum());
fos.writeULong(record.offset());
fos.writeULong(record.length());
}
}