/*----------------------------------------------------------------------------------------------
A convenient way to initialize a graphite renderer when we don't have an IVwGraphics
around. When one is readily available, just call InitRenderer directly.
----------------------------------------------------------------------------------------------*/
void GrUtil::InitGraphiteRenderer(IRenderEngine * preneng, const OLECHAR * pszFace,
bool fBold, bool fItalic, BSTR bstrFontVar, int nTrace)
{
LgCharRenderProps chrp;
wcscpy_s(chrp.szFaceName, pszFace);
chrp.ttvBold = fBold ? kttvForceOn : kttvOff;
chrp.ttvItalic = fItalic ? kttvForceOn : kttvOff;
chrp.dympHeight = 12000; // arbitrary to make it something reasonable (12 points)
IVwGraphicsWin32Ptr qvg;
qvg.CreateInstance(CLSID_VwGraphicsWin32);
HDC hdc = ::CreateDC(TEXT("DISPLAY"), NULL, NULL, NULL);
try {
qvg->Initialize(hdc); // puts the DC in the right state
qvg->SetupGraphics(&chrp);
CheckHr(preneng->InitRenderer(qvg, bstrFontVar));
// Set the trace options (e.g. logging).
ComSmartPtr<ITraceControl> qtreng;
CheckHr(preneng->QueryInterface(IID_ITraceControl, (void**)&qtreng));
CheckHr(qtreng->SetTracing(nTrace));
}
catch (...)
{
}
qvg.Clear();
::DeleteDC(hdc);
}
/*----------------------------------------------------------------------------------------------
See if there are Graphite tables in the font, or failing that, an indication of the
Graphite font in the registry.
----------------------------------------------------------------------------------------------*/
bool GrUtil::FontHasGraphiteTables(const OLECHAR * pszFace, bool fBold, bool fItalic)
{
bool fGraphite = false;
LgCharRenderProps chrp;
wcscpy_s(chrp.szFaceName, pszFace);
chrp.ttvBold = fBold ? kttvForceOn : kttvOff;
chrp.ttvItalic = fItalic ? kttvForceOn : kttvOff;
chrp.dympHeight = 12000; // arbitrary to make it something reasonable (12 points)
IVwGraphicsWin32Ptr qvg;
qvg.CreateInstance(CLSID_VwGraphicsWin32);
HDC hdc = ::CreateDC(TEXT("DISPLAY"), NULL, NULL, NULL);
try {
qvg->Initialize(hdc); // puts the DC in the right state
qvg->SetupGraphics(&chrp);
//FwGrGraphics gg(qvg.Ptr());
//fGraphite = GrUtil::FontHasGraphiteTables(&gg);
fGraphite = GrUtil::FontHasGraphiteTables(qvg);
}
catch (...)
{
}
qvg.Clear();
::DeleteDC(hdc);
return fGraphite;
}
