home *** CD-ROM | disk | FTP | other *** search
- /**
- ** P16.H
- **
- ** Copyright (C) 1992, Csaba Biegl
- ** 820 Stirrup Dr, Nashville, TN, 37221
- ** csaba@vuse.vanderbilt.edu
- **
- ** This file is distributed under the terms listed in the document
- ** "copying.cb", available from the author at the address above.
- ** A copy of "copying.cb" should accompany this file; if not, a copy
- ** should be available from where this file was obtained. This file
- ** may not be distributed without a verbatim copy of "copying.cb".
- ** You should also have received a copy of the GNU General Public
- ** License along with this program (it is in the file "copying");
- ** if not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- ** Cambridge, MA 02139, USA.
- **
- ** This program is distributed in the hope that it will be useful,
- ** but WITHOUT ANY WARRANTY; without even the implied warranty of
- ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- ** GNU General Public License for more details.
- **/
-
- #include "grx.h"
- #include "libgrx.h"
-
- typedef unsigned short far *pixptr; /* pixel pointer */
- #define C_SIGNIF 0xffff /* significant bits in a color */
- extern int _GrPHDrawTable[]; /* drawing control table */
-
- #ifdef _INLINE32K
- # define P_ADDRESS(cxt,off) ((pixptr)(off))
- #else
- # define P_ADDRESS(cxt,off) ((pixptr)( \
- (cxt)->gc_baseaddr + \
- ((unsigned)(COORD_Y(off) * (cxt)->gc_lineoffset)) + \
- ((unsigned)(COORD_X(off) << 1)) \
- ))
- #endif
-