bool read_spacing_info(FILE *f, FontInfo* fi, bool swap) {
inT32 vec_size, kern_size;
if (fread(&vec_size, sizeof(vec_size), 1, f) != 1) return false;
if (swap) Reverse32(&vec_size);
ASSERT_HOST(vec_size >= 0);
if (vec_size == 0) return true;
fi->init_spacing(vec_size);
for (int i = 0; i < vec_size; ++i) {
FontSpacingInfo *fs = new FontSpacingInfo();
if (fread(&fs->x_gap_before, sizeof(fs->x_gap_before), 1, f) != 1 ||
fread(&fs->x_gap_after, sizeof(fs->x_gap_after), 1, f) != 1 ||
fread(&kern_size, sizeof(kern_size), 1, f) != 1) {
delete fs;
return false;
}
if (swap) {
ReverseN(&(fs->x_gap_before), sizeof(fs->x_gap_before));
ReverseN(&(fs->x_gap_after), sizeof(fs->x_gap_after));
Reverse32(&kern_size);
}
if (kern_size < 0) { // indication of a NULL entry in fi->spacing_vec
delete fs;
continue;
}
if (kern_size > 0 && (!fs->kerned_unichar_ids.DeSerialize(swap, f) ||
!fs->kerned_x_gaps.DeSerialize(swap, f))) {
delete fs;
return false;
}
fi->add_spacing(i, fs);
}
return true;
}
bool read_set(FILE* f, FontSet* fs, bool swap) {
if (fread(&fs->size, sizeof(fs->size), 1, f) != 1) return false;
if (swap)
Reverse32(&fs->size);
fs->configs = new int[fs->size];
for (int i = 0; i < fs->size; ++i) {
if (fread(&fs->configs[i], sizeof(fs->configs[i]), 1, f) != 1) return false;
if (swap)
Reverse32(&fs->configs[i]);
}
return true;
}
// Callbacks used by UnicityTable to read/write FontInfo/FontSet structures.
bool read_info(FILE* f, FontInfo* fi, bool swap) {
inT32 size;
if (fread(&size, sizeof(size), 1, f) != 1) return false;
if (swap)
Reverse32(&size);
char* font_name = new char[size + 1];
fi->name = font_name;
if (static_cast<int>(fread(font_name, sizeof(*font_name), size, f)) != size)
return false;
font_name[size] = '\0';
if (fread(&fi->properties, sizeof(fi->properties), 1, f) != 1) return false;
if (swap)
Reverse32(&fi->properties);
return true;
}
template<> __forceinline u64 MemoryBase::ReverseData<4>(u64 val) { return Reverse32(val); }
