static IntPtr InitFont(string fontName, float emHeight, FontStyle style)
{
//see: MSDN, LOGFONT structure
//https://msdn.microsoft.com/en-us/library/windows/desktop/dd145037(v=vs.85).aspx
MyWin32.LOGFONT logFont = new MyWin32.LOGFONT();
MyWin32.SetFontName(ref logFont, fontName);
logFont.lfHeight = -(int)PixelFarm.Drawing.RequestFont.ConvEmSizeInPointsToPixels(emHeight); //minus **
logFont.lfCharSet = 1; //default
logFont.lfQuality = 0; //default
MyWin32.LOGFONT_FontWeight weight =
((style & FontStyle.Bold) == FontStyle.Bold) ?
MyWin32.LOGFONT_FontWeight.FW_BOLD :
MyWin32.LOGFONT_FontWeight.FW_REGULAR;
logFont.lfWeight = (int)weight;
//
logFont.lfItalic = (byte)(((style & FontStyle.Italic) == FontStyle.Italic) ? 1 : 0);
return(MyWin32.CreateFontIndirect(ref logFont));
}