public static Font FromLogFont(object lf, IntPtr hdc)
{
IntPtr font = IntPtr.Zero;
int status = Gdip.GdipCreateFontFromLogfontW(new HandleRef(null, hdc), lf, out font);
// Special case this incredibly common error message to give more information
if (status == Gdip.NotTrueTypeFont)
{
throw new ArgumentException(SR.GdiplusNotTrueTypeFont_NoName);
}
else if (status != Gdip.Ok)
{
throw Gdip.StatusException(status);
}
// GDI+ returns font = 0 even though the status is Ok.
if (font == IntPtr.Zero)
{
throw new ArgumentException(SR.Format(SR.GdiplusNotTrueTypeFont, lf.ToString()));
}
#pragma warning disable 0618
bool gdiVerticalFont = (Marshal.ReadInt16(lf, LogFontNameOffset) == (short)'@');
return(new Font(font, Marshal.ReadByte(lf, LogFontCharSetOffset), gdiVerticalFont));
#pragma warning restore 0618
}
internal static Font FromLogFontInternal(ref Interop.User32.LOGFONT logFont, IntPtr hdc)
{
int status = Gdip.GdipCreateFontFromLogfontW(hdc, ref logFont, out IntPtr font);
// Special case this incredibly common error message to give more information
if (status == Gdip.NotTrueTypeFont)
{
throw new ArgumentException(SR.GdiplusNotTrueTypeFont_NoName);
}
else if (status != Gdip.Ok)
{
throw Gdip.StatusException(status);
}
// GDI+ returns font = 0 even though the status is Ok.
if (font == IntPtr.Zero)
{
throw new ArgumentException(SR.Format(SR.GdiplusNotTrueTypeFont, logFont.ToString()));
}
bool gdiVerticalFont = logFont.lfFaceName[0] == '@';
return(new Font(font, logFont.lfCharSet, gdiVerticalFont));
}