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Annotation of OpenXM_contrib/gnuplot/term/driver.h, Revision 1.1.1.1

1.1       maekawa     1: /* $Id: driver.h,v 1.9 1998/06/18 14:59:19 ddenholm Exp $ */
                      2:
                      3: /* GNUPLOT - driver.h  $Id: driver.h,v 1.9 1998/06/18 14:59:19 ddenholm Exp $ */
                      4:
                      5: /*[
                      6:  * Copyright 1986 - 1993, 1998   Thomas Williams, Colin Kelley
                      7:  *
                      8:  * Permission to use, copy, and distribute this software and its
                      9:  * documentation for any purpose with or without fee is hereby granted,
                     10:  * provided that the above copyright notice appear in all copies and
                     11:  * that both that copyright notice and this permission notice appear
                     12:  * in supporting documentation.
                     13:  *
                     14:  * Permission to modify the software is granted, but not the right to
                     15:  * distribute the complete modified source code.  Modifications are to
                     16:  * be distributed as patches to the released version.  Permission to
                     17:  * distribute binaries produced by compiling modified sources is granted,
                     18:  * provided you
                     19:  *   1. distribute the corresponding source modifications from the
                     20:  *    released version in the form of a patch file along with the binaries,
                     21:  *   2. add special version identification to distinguish your version
                     22:  *    in addition to the base release version number,
                     23:  *   3. provide your name and address as the primary contact for the
                     24:  *    support of your modified version, and
                     25:  *   4. retain our contact information in regard to use of the base
                     26:  *    software.
                     27:  * Permission to distribute the released version of the source code along
                     28:  * with corresponding source modifications in the form of a patch file is
                     29:  * granted with same provisions 2 through 4 for binary distributions.
                     30:  *
                     31:  * This software is provided "as is" without express or implied warranty
                     32:  * to the extent permitted by applicable law.
                     33: ]*/
                     34:
                     35:
                     36: #ifndef TERM_DRIVER_H
                     37: #define TERM_DRIVER_H
                     38:
                     39: #if 0
                     40: /* Dangerous; putc may already be defined as fputc */
                     41: /* corey@cac added the next line for efficiency */
                     42: #define fputc putc
                     43: #endif
                     44:
                     45: /* functions provided by in term.c */
                     46:
                     47: void do_point __PROTO((unsigned int x, unsigned int y, int number));
                     48: void line_and_point __PROTO((unsigned int x, unsigned int y, int number));
                     49: void do_arrow __PROTO((unsigned int sx, unsigned int sy, unsigned int ex, unsigned int ey, int head));
                     50: int null_text_angle __PROTO((int ang));
                     51: int null_justify_text __PROTO((enum JUSTIFY just));
                     52: int null_scale __PROTO((double x, double y));
                     53: int do_scale __PROTO((double x, double y));
                     54: void options_null __PROTO((void));
                     55: void UNKNOWN_null __PROTO((void));
                     56: int set_font_null __PROTO((char *s));
                     57: void null_set_pointsize __PROTO((double size));
                     58:
                     59: extern FILE *gpoutfile;
                     60: extern struct termentry *term;
                     61: extern float xsize, ysize;
                     62:
                     63: /* for use by all drivers */
                     64: #ifndef NEXT
                     65: #define sign(x) ((x) >= 0 ? 1 : -1)
                     66: #else
                     67: /* it seems that sign as macro causes some conflict with precompiled headers */
                     68: static int sign(int x)
                     69: {
                     70:     return x >= 0 ? 1 : -1;
                     71: }
                     72: #endif /* NEXT */
                     73:
                     74: /* abs as macro is now uppercase, there are conflicts with a few C compilers
                     75:    that have abs as macro, even though ANSI defines abs as function
                     76:    (int abs(int)). Most calls to ABS in term/ could be changed to abs if
                     77:    they use only int arguments and others to fabs, but for the time being,
                     78:    all calls are done via the macro */
                     79: #ifndef ABS
                     80: # define ABS(x) ((x) >= 0 ? (x) : -(x))
                     81: #endif /* ABS */
                     82:
                     83: /*  GPMIN/GPMAX are already defined in "plot.h"  */
                     84:
                     85: #define NICE_LINE              0
                     86: #define POINT_TYPES            6
                     87:
                     88: #endif /* TERM_DRIVER_H */