wxCoord wxDC::GetCharHeight() const
{
wxCHECK_MSG( Ok(), -1, wxT("invalid dc") );
wxCHECK_MSG( m_font.Ok(), -1, wxT("no font selected") );
int h = -1;
GetCurrentFont()->GetHeight(&h);
return YDEV2LOGREL(h);
}
void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
wxCoord *descent, wxCoord *externalLeading,
wxFont *theFont) const
{
wxCHECK_RET( Ok(), wxT("invalid dc") );
wxCHECK_RET( m_font.Ok(), wxT("no font selected") );
wxCHECK_RET( !theFont || theFont->Ok(), wxT("invalid font") );
wxFont oldFont;
if ( theFont != NULL )
{
oldFont = m_font;
wxConstCast(this, wxDC)->SetFont(*theFont);
}
wxCoord xx = 0, yy = 0;
DFBRectangle rect;
wxIDirectFBFontPtr f = GetCurrentFont();
if ( f->GetStringExtents(wxSTR_TO_DFB(string), -1, &rect, NULL) )
{
// VS: YDEV is corrent, it should *not* be XDEV, because font's are
// only scaled according to m_scaleY
xx = YDEV2LOGREL(rect.w);
yy = YDEV2LOGREL(rect.h);
if ( descent )
{
int d;
if ( f->GetDescender(&d) )
*descent = YDEV2LOGREL(-d);
else
*descent = 0;
}
}
if ( x ) *x = xx;
if ( y ) *y = yy;
if ( externalLeading ) *externalLeading = 0;
if ( theFont != NULL )
wxConstCast(this, wxDC)->SetFont(oldFont);
}
wxCoord wxDC::GetCharWidth() const
{
wxCHECK_MSG( Ok(), -1, wxT("invalid dc") );
wxCHECK_MSG( m_font.Ok(), -1, wxT("no font selected") );
int w = -1;
GetCurrentFont()->GetStringWidth("H", 1, &w);
// VS: YDEV is corrent, it should *not* be XDEV, because font's are only
// scaled according to m_scaleY
return YDEV2LOGREL(w);
}
wxCoord wxSVGFileDC::DeviceToLogicalYRel(wxCoord y) const
{
return YDEV2LOGREL(y);
}