std::ostream& printTagBitmask(std::ostream& os, const Value& value, const ExifData*)
{
const uint32_t val = static_cast<uint32_t>(value.toLong());
bool sep = false;
for (int i = 0; i < N; i++) {
// *& acrobatics is a workaround for a MSVC 7.1 bug
const TagDetailsBitmask* td = *(&array) + i;
if (val & td->mask_) {
if (sep) {
os << ", " << exvGettext(td->label_);
}
else {
os << exvGettext(td->label_);
sep = true;
}
}
}
return os;
}
std::ostream& printTagVocabulary(std::ostream& os, const Value& value, const ExifData*)
{
const TagVocabulary* td = find(array, value.toString());
if (td) {
os << exvGettext(td->label_);
}
else {
os << "(" << value << ")";
}
return os;
}
std::ostream& printCombiTag(std::ostream& os, const Value& value, const ExifData* metadata)
{
if ((value.count() != count && (value.count() < (count + ignoredcount) || value.count() > (count + ignoredcountmax))) || count > 4) {
return printValue(os, value, metadata);
}
unsigned long l = 0;
for (int c = 0; c < count; ++c) {
if (value.toLong(c) < 0 || value.toLong(c) > 255) {
return printValue(os, value, metadata);
}
l += (value.toLong(c) << ((count - c - 1) * 8));
}
const TagDetails* td = find(array, l);
if (td) {
os << exvGettext(td->label_);
}
else {
os << exvGettext("Unknown") << " (0x"
<< std::setw(2 * count) << std::setfill('0')
<< std::hex << l << std::dec << ")";
}
return os;
}
