bool AbstractFont::openSingleData(const Containers::ArrayReference<const unsigned char> data, const Float size) {
CORRADE_ASSERT(features() & Feature::OpenData,
"Text::AbstractFont::openSingleData(): feature not supported", false);
CORRADE_ASSERT(!(features() & Feature::MultiFile),
"Text::AbstractFont::openSingleData(): the format is not single-file", false);
close();
std::tie(_size, _lineHeight) = doOpenSingleData(data, size);
CORRADE_INTERNAL_ASSERT(isOpened() || (_size == 0.0f && _lineHeight == 0.0f));
return isOpened();
}
std::pair<Float, Float> AbstractFont::doOpenFile(const std::string& filename, const Float size) {
CORRADE_ASSERT(features() & Feature::OpenData && !(features() & Feature::MultiFile),
"Text::AbstractFont::openFile(): not implemented", {});
/* Open file */
if(!Utility::Directory::fileExists(filename)) {
Error() << "Trade::AbstractFont::openFile(): cannot open file" << filename;
return {};
}
return doOpenSingleData(Utility::Directory::read(filename), size);
}
bool AbstractFont::openSingleData(const Containers::ArrayView<const char> data, const Float size) {
CORRADE_ASSERT(features() & Feature::OpenData,
"Text::AbstractFont::openSingleData(): feature not supported", false);
CORRADE_ASSERT(!(features() & Feature::MultiFile),
"Text::AbstractFont::openSingleData(): the format is not single-file", false);
close();
const Metrics metrics = doOpenSingleData(data, size);
_size = metrics.size;
_ascent = metrics.ascent;
_descent = metrics.descent;
_lineHeight = metrics.lineHeight;
CORRADE_INTERNAL_ASSERT(isOpened() || (!_size && !_ascent && !_descent && !_lineHeight));
return isOpened();
}
