std::pair<Float, Float> MagnumFont::doOpenData(const std::vector<std::pair<std::string, Containers::ArrayReference<const unsigned char>>>& data, const Float) {
/* We need just the configuration file and image file */
if(data.size() != 2) {
Error() << "Text::MagnumFont::openData(): wanted two files, got" << data.size();
return {};
}
/* Open the configuration file */
std::istringstream in({reinterpret_cast<const char*>(data[0].second.begin()), data[0].second.size()});
Utility::Configuration conf(in, Utility::Configuration::Flag::SkipComments);
if(!conf.isValid() || conf.isEmpty()) {
Error() << "Text::MagnumFont::openData(): cannot open file" << data[0].first;
return {};
}
/* Check version */
if(conf.value<UnsignedInt>("version") != 1) {
Error() << "Text::MagnumFont::openData(): unsupported file version, expected 1 but got"
<< conf.value<UnsignedInt>("version");
return {};
}
/* Check that we have also the image file */
if(conf.value("image") != data[1].first) {
Error() << "Text::MagnumFont::openData(): expected file"
<< conf.value("image") << "but got" << data[1].first;
return {};
}
/* Open and load image file */
Trade::TgaImporter importer;
if(!importer.openData(data[1].second)) {
Error() << "Text::MagnumFont::openData(): cannot open image file";
return {};
}
std::optional<Trade::ImageData2D> image = importer.image2D(0);
if(!image) {
Error() << "Text::MagnumFont::openData(): cannot load image file";
return {};
}
return openInternal(std::move(conf), std::move(*image));
}
