public static Font FromLogFont(object lf, IntPtr hdc)
{
IntPtr newObject;
LOGFONT o = (LOGFONT)lf;
Status status = GDIPlus.GdipCreateFontFromLogfont(hdc, ref o, out newObject);
GDIPlus.CheckStatus(status);
return(new Font(newObject, "Microsoft Sans Serif", FontStyle.Regular, 10));
}
public IntPtr ToHfont()
{
if (fontObject == IntPtr.Zero)
{
throw new ArgumentException(string.Format("Object has been disposed."));
}
if (GDIPlus.RunningOnUnix())
{
return(fontObject);
}
// win32 specific code
if (olf == null)
{
olf = new LOGFONT();
ToLogFont(olf);
}
LOGFONT lf = (LOGFONT)olf;
return(GDIPlus.CreateFontIndirect(ref lf));
}
public static Font FromHfont(IntPtr hfont)
{
IntPtr newObject;
IntPtr hdc;
FontStyle newStyle = FontStyle.Regular;
float newSize;
LOGFONT lf = new LOGFONT();
// Sanity. Should we throw an exception?
if (hfont == IntPtr.Zero)
{
Font result = new Font("Arial", (float)10.0, FontStyle.Regular);
return(result);
}
if (GDIPlus.RunningOnUnix())
{
// If we're on Unix we use our private gdiplus API to avoid Wine
// dependencies in S.D
Status s = GDIPlus.GdipCreateFontFromHfont(hfont, out newObject, ref lf);
GDIPlus.CheckStatus(s);
}
else
{
// This needs testing
// GetDC, SelectObject, ReleaseDC GetTextMetric and
// GetFontFace are not really GDIPlus, see gdipFunctions.cs
newStyle = FontStyle.Regular;
hdc = GDIPlus.GetDC(IntPtr.Zero);
try {
return(FromLogFont(lf, hdc));
}
finally {
GDIPlus.ReleaseDC(IntPtr.Zero, hdc);
}
}
if (lf.lfItalic != 0)
{
newStyle |= FontStyle.Italic;
}
if (lf.lfUnderline != 0)
{
newStyle |= FontStyle.Underline;
}
if (lf.lfStrikeOut != 0)
{
newStyle |= FontStyle.Strikeout;
}
if (lf.lfWeight > 400)
{
newStyle |= FontStyle.Bold;
}
if (lf.lfHeight < 0)
{
newSize = lf.lfHeight * -1;
}
else
{
newSize = lf.lfHeight;
}
return(new Font(newObject, lf.lfFaceName, newStyle, newSize));
}
