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- /**
- ** USERCORD.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 "scale.h"
-
- #define U2SX(x,c) \
- SCALE(x,((x) - (c)->gc_usrxbase),(c)->gc_xmax,(c)->gc_usrwidth)
- #define U2SY(y,c) \
- SCALE(y,((y) - (c)->gc_usrybase),(c)->gc_ymax,(c)->gc_usrheight)
-
- #define S2UX(x,c) do { \
- SCALE(x,x,(c)->gc_usrwidth,(c)->gc_xmax); \
- (x) += (c)->gc_usrxbase; \
- } while(0)
-
- #define S2UY(y,c) do { \
- SCALE(y,y,(c)->gc_usrheight,(c)->gc_ymax); \
- (y) += (c)->gc_usrybase; \
- } while(0)
-