/**
* Creates a new table builder for the table type given by the table id tag. It makes a copy of
* the data provided and uses that copy for the table.
*
* <p>This new table has been added to the font and will replace any existing builder for that
* table.
*
* @param tag
* @param srcData
* @return new empty table of the type specified by tag; if tag is not known then a generic
* OpenTypeTable is returned
*/
public Table.Builder<? extends Table> newTableBuilder(int tag, ReadableFontData srcData) {
WritableFontData data;
data = WritableFontData.createWritableFontData(srcData.length());
// TODO(stuartg): take over original data instead?
srcData.copyTo(data);
Header header = new Header(tag, data.length());
Table.Builder<? extends Table> builder = Table.Builder.getBuilder(header, data);
this.tableBuilders.put(tag, builder);
return builder;
}
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;
}