bool AtomAFRT::ReadData() {
//FINEST("AFRT");
if (!ReadUInt32(_timeScale)) {
FATAL("Unable to read _timeScale");
return false;
}
//FINEST("_timeScale: %"PRIu32, _timeScale);
if (!ReadUInt8(_qualityEntryCount)) {
FATAL("Unable to read _qualityEntryCount");
return false;
}
//FINEST("_qualityEntryCount: %"PRIu8, _qualityEntryCount);
for (uint8_t i = 0; i < _qualityEntryCount; i++) {
string temp;
if (!ReadNullTerminatedString(temp)) {
FATAL("Unable to read QualitySegmentUrlModifiers");
return false;
}
//FINEST("%"PRIu8": QualitySegmentUrlModifiers: %s", i, STR(temp));
ADD_VECTOR_END(_qualitySegmentUrlModifiers, temp);
}
if (!ReadUInt32(_fragmentRunEntryCount)) {
FATAL("Unable to read _fragmentRunEntryCount");
return false;
}
//FINEST("_fragmentRunEntryCount: %"PRIu32, _fragmentRunEntryCount);
for (uint32_t i = 0; i < _fragmentRunEntryCount; i++) {
FRAGMENTRUNENTRY temp = {0, 0, 0, 0};
if (!ReadUInt32(temp.firstFragment)) {
FATAL("Unable to read FRAGMENTRUNENTRY.FirstFragment");
return false;
}
if (!ReadUInt64(temp.firstFragmentTimestamp)) {
FATAL("Unable to read FRAGMENTRUNENTRY.FirstFragmentTimestamp");
return false;
}
if (!ReadUInt32(temp.fragmentDuration)) {
FATAL("Unable to read FRAGMENTRUNENTRY.FragmentDuration");
return false;
}
if (temp.fragmentDuration == 0) {
if (!ReadUInt8(temp.discontinuityIndicator)) {
FATAL("Unable to read FRAGMENTRUNENTRY.DiscontinuityIndicator");
return false;
}
}
//FINEST("%"PRIu32": FRAGMENTRUNENTRY.FirstFragment: %"PRIu32"; FRAGMENTRUNENTRY.FirstFragmentTimestamp: %"PRIu64"; FRAGMENTRUNENTRY.FragmentDuration: %"PRIu32"; FRAGMENTRUNENTRY.DiscontinuityIndicator: %"PRIu8,
// i, temp.firstFragment, temp.firstFragmentTimestamp, temp.fragmentDuration, temp.discontinuityIndicator);
ADD_VECTOR_END(_fragmentRunEntryTable, temp);
}
return true;
}
void Font::Load(std::istream& file)
{
const std::streamoff file_start = file.tellg();
// Read header
FourCC header_magic;
u16 endian;
u16 version;
u32 filesize;
u16 offset; // Offset to first section
u16 section_count;
file >> header_magic >> BE >> endian >> version
>> filesize >> offset >> section_count;
// Bad header
if (header_magic != BINARY_MAGIC_FONT || endian != 0xFEFF || version != 0x0104)
return;
// Seek to the first section
file.seekg(file_start + offset, std::ios::beg);
ReadSections(file, section_count, [&](FourCC magic, std::streamoff section_start)
{
// Glyph group
if (magic == BINARY_MAGIC_GLYPH_GROUP)
{
u32 sheet_size;
u16 glyphs_per_sheet;
u16 set_count, sheet_count, cwdh_count, cmap_count;
file >> BE >> sheet_size >> glyphs_per_sheet
>> set_count >> sheet_count >> cwdh_count >> cmap_count;
std::vector<std::string> sets;
ReadOffsetList<u16>(file, set_count, file_start, [&]
{
sets.push_back(ReadNullTerminatedString(file));
});
std::vector<u32> sheet_sizes;
sheet_sizes.resize(sheet_count);
if (sheet_count)
ReadBEArray(file, &sheet_sizes[0], sheet_count);
std::vector<u32> cwdh_sizes;
cwdh_sizes.resize(cwdh_count);
if (cwdh_count)
ReadBEArray(file, &cwdh_sizes[0], cwdh_count);
std::vector<u32> cmap_sizes;
cmap_sizes.resize(cmap_count);
if (cmap_count)
ReadBEArray(file, &cmap_sizes[0], cmap_count);
// Temporary
// TODO: read bunch of bitsets
file.seekg((sheet_count + cwdh_count + cmap_count) / 32, std::ios::cur);
}
else if (magic == BINARY_MAGIC_FONT_INFORMATION) // font information