#include<os2.h>
typedef unsigned long COLORREF;
// RGB under OS2 is more like a PALETTEENTRY struct under Windows so we need a real RGB def
-#define OS2RGB(r,g,b) ((ULONG ((BYTE) (r) | ((UINT) (g) << 8)) | (((ULONG)(BYTE)(b)) << 16)))
+//#define OS2RGB(r,g,b) ((ULONG ((BYTE) (r) | ((UINT) (g) << 8)) | (((ULONG)(BYTE)(b)) << 16)))
+#define OS2RGB(r,g,b) ((unsigned long)r<<16|(unsigned long)g<<8|(unsigned long)b)
+
#define GetBValue(rgb) ((BYTE)((rgb) >> 16))
#define GetGValue(rgb) ((BYTE)(((WORD)(rgb)) >> 8))
#define GetRValue(rgb) ((BYTE)(rgb))