diff options
Diffstat (limited to 'vcl/source/font/PhysicalFontFace.cxx')
| -rw-r--r-- | vcl/source/font/PhysicalFontFace.cxx | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/vcl/source/font/PhysicalFontFace.cxx b/vcl/source/font/PhysicalFontFace.cxx index 997b1c155160..305a06a4edcf 100644 --- a/vcl/source/font/PhysicalFontFace.cxx +++ b/vcl/source/font/PhysicalFontFace.cxx @@ -27,6 +27,7 @@ #include <fontselect.hxx> #include <impfontcharmap.hxx> +#include <sft.hxx> #include <PhysicalFontFace.hxx> PhysicalFontFace::PhysicalFontFace( const FontAttributes& rDFA ) @@ -34,6 +35,7 @@ PhysicalFontFace::PhysicalFontFace( const FontAttributes& rDFA ) , mnWidth(0) , mnHeight(0) , mpHbFace(nullptr) + , mbCapabilitiesRead(false) { // StarSymbol is a unicode font, but it still deserves the symbol flag if( !IsSymbolFont() ) @@ -248,4 +250,30 @@ const FontCharMapRef& PhysicalFontFace::GetCharMap() const return mxCharMap; } +bool PhysicalFontFace::GetCapabilities(vcl::FontCapabilities &rCapabilities) const +{ + // Read this only once. + if (mbCapabilitiesRead) + { + rCapabilities = maCapabilities; + return rCapabilities.oUnicodeRange || rCapabilities.oCodePageRange; + } + + mbCapabilitiesRead = true; + + hb_blob_t* pBlob = hb_face_reference_table(mpHbFace, HB_TAG('O', 'S', '/', '2')); + const unsigned char* pData = reinterpret_cast<const unsigned char*>(hb_blob_get_data(pBlob, nullptr)); + size_t nSize = hb_blob_get_length(pBlob); + if (nSize > 0) + { + vcl::getTTCoverage(maCapabilities.oUnicodeRange, + maCapabilities.oCodePageRange, + pData, nSize); + } + hb_blob_destroy(pBlob); + + rCapabilities = maCapabilities; + return rCapabilities.oUnicodeRange || rCapabilities.oCodePageRange; +} + /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |