windows中 字体大小单位之间的关系

 1 typedef struct tagLOGFONTA {
 2   LONG lfHeight;
 3   LONG lfWidth;
 4   LONG lfEscapement;
 5   LONG lfOrientation;
 6   LONG lfWeight;
 7   BYTE lfItalic;
 8   BYTE lfUnderline;
 9   BYTE lfStrikeOut;
10   BYTE lfCharSet;
11   BYTE lfOutPrecision;
12   BYTE lfClipPrecision;
13   BYTE lfQuality;
14   BYTE lfPitchAndFamily;
15   CHAR lfFaceName[LF_FACESIZE];
16 } LOGFONTA, *PLOGFONTA, *NPLOGFONTA, *LPLOGFONTA;