private WindowsFont(IntNativeMethods.LOGFONT lf, bool createHandle)
{
this.fontSize = -1f;
this.logFont = lf;
if (this.logFont.lfFaceName == null)
{
this.logFont.lfFaceName = "Microsoft Sans Serif";
}
this.style = FontStyle.Regular;
if (lf.lfWeight == 700)
{
this.style |= FontStyle.Bold;
}
if (lf.lfItalic == 1)
{
this.style |= FontStyle.Italic;
}
if (lf.lfUnderline == 1)
{
this.style |= FontStyle.Underline;
}
if (lf.lfStrikeOut == 1)
{
this.style |= FontStyle.Strikeout;
}
if (createHandle)
{
this.CreateFont();
}
}
public static WindowsFont FromHfont(IntPtr hFont, bool takeOwnership)
{
IntNativeMethods.LOGFONT lp = new IntNativeMethods.LOGFONT();
IntUnsafeNativeMethods.GetObject(new HandleRef(null, hFont), lp);
return(new WindowsFont(lp, false)
{
hFont = hFont, ownHandle = takeOwnership
});
}
public LOGFONT(IntNativeMethods.LOGFONT lf)
{
this.lfHeight = lf.lfHeight;
this.lfWidth = lf.lfWidth;
this.lfEscapement = lf.lfEscapement;
this.lfOrientation = lf.lfOrientation;
this.lfWeight = lf.lfWeight;
this.lfItalic = lf.lfItalic;
this.lfUnderline = lf.lfUnderline;
this.lfStrikeOut = lf.lfStrikeOut;
this.lfCharSet = lf.lfCharSet;
this.lfOutPrecision = lf.lfOutPrecision;
this.lfClipPrecision = lf.lfClipPrecision;
this.lfQuality = lf.lfQuality;
this.lfPitchAndFamily = lf.lfPitchAndFamily;
this.lfFaceName = lf.lfFaceName;
}
public WindowsFont(string faceName, float size, FontStyle style, byte charSet, WindowsFontQuality fontQuality)
{
this.fontSize = -1f;
this.logFont = new IntNativeMethods.LOGFONT();
int num = (int)Math.Ceiling((double)((WindowsGraphicsCacheManager.MeasurementGraphics.DeviceContext.DpiY * size) / 72f));
this.logFont.lfHeight = -num;
this.logFont.lfFaceName = (faceName != null) ? faceName : "Microsoft Sans Serif";
this.logFont.lfCharSet = charSet;
this.logFont.lfOutPrecision = 4;
this.logFont.lfQuality = (byte)fontQuality;
this.logFont.lfWeight = ((style & FontStyle.Bold) == FontStyle.Bold) ? 700 : 400;
this.logFont.lfItalic = ((style & FontStyle.Italic) == FontStyle.Italic) ? ((byte)1) : ((byte)0);
this.logFont.lfUnderline = ((style & FontStyle.Underline) == FontStyle.Underline) ? ((byte)1) : ((byte)0);
this.logFont.lfStrikeOut = ((style & FontStyle.Strikeout) == FontStyle.Strikeout) ? ((byte)1) : ((byte)0);
this.style = style;
this.CreateFont();
}
public static extern int IntGetObject(HandleRef hFont, int nSize, [In, Out] IntNativeMethods.LOGFONT lf);
public static int GetObject(HandleRef hFont, IntNativeMethods.LOGFONT lp)
{
return(IntGetObject(hFont, Marshal.SizeOf(typeof(IntNativeMethods.LOGFONT)), lp));
}
