bool wxNativeFontInfo::SetFaceName(const wxString& facename)
{
pango_font_description_set_family(description, wxPANGO_CONV(facename));
// we return true because Pango doesn't tell us if the call failed or not;
// instead on wxGTK wxFont::SetFaceName() will call wxFontBase::SetFaceName()
// which does the check
return true;
}
bool wxNativeFontInfo::FromString(const wxString& s)
{
wxString str(s);
// Pango font description doesn't have 'underlined' or 'strikethrough'
// attributes, so we handle them specially by extracting them from the
// string before passing it to Pango.
m_underlined = str.StartsWith(wxS("underlined "), &str);
m_strikethrough = str.StartsWith(wxS("strikethrough "), &str);
if (description)
pango_font_description_free( description );
// there is a bug in at least pango <= 1.13 which makes it (or its backends)
// segfault for very big point sizes and for negative point sizes.
// To workaround that bug for pango <= 1.13
// (see http://bugzilla.gnome.org/show_bug.cgi?id=340229)
// we do the check on the size here using same (arbitrary) limits used by
// pango > 1.13. Note that the segfault could happen also for pointsize
// smaller than this limit !!
const size_t pos = str.find_last_of(wxS(" "));
double size;
if ( pos != wxString::npos && wxString(str, pos + 1).ToDouble(&size) )
{
wxString sizeStr;
if ( size < 1 )
sizeStr = wxS("1");
else if ( size >= 1E6 )
sizeStr = wxS("1E6");
if ( !sizeStr.empty() )
{
// replace the old size with the adjusted one
str = wxString(s, 0, pos) + sizeStr;
}
}
description = pango_font_description_from_string(wxPANGO_CONV(str));
#if wxUSE_FONTENUM
// ensure a valid facename is selected
if (!wxFontEnumerator::IsValidFacename(GetFaceName()))
SetFaceName(wxNORMAL_FONT->GetFaceName());
#endif // wxUSE_FONTENUM
return true;
}
bool wxNativeFontInfo::FromString(const wxString& s)
{
if (description)
pango_font_description_free( description );
// there is a bug in at least pango <= 1.13 which makes it (or its backends)
// segfault for very big point sizes and for negative point sizes.
// To workaround that bug for pango <= 1.13
// (see http://bugzilla.gnome.org/show_bug.cgi?id=340229)
// we do the check on the size here using same (arbitrary) limits used by
// pango > 1.13. Note that the segfault could happen also for pointsize
// smaller than this limit !!
wxString str(s);
const size_t pos = str.find_last_of(_T(" "));
double size;
if ( pos != wxString::npos && wxString(str, pos + 1).ToDouble(&size) )
{
wxString sizeStr;
if ( size < 1 )
sizeStr = _T("1");
else if ( size >= 1E6 )
sizeStr = _T("1E6");
if ( !sizeStr.empty() )
{
// replace the old size with the adjusted one
str = wxString(s, 0, pos) + sizeStr;
}
}
description = pango_font_description_from_string(wxPANGO_CONV(str));
// ensure a valid facename is selected
if (!wxFontEnumerator::IsValidFacename(GetFaceName()))
SetFaceName(wxNORMAL_FONT->GetFaceName());
return true;
}
bool wxNativeFontInfo::SetFaceName(const wxString& facename)
{
pango_font_description_set_family(description, wxPANGO_CONV(facename));
return true;
}
