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- /* $Id: driver.h,v 1.8.2.1 1999/09/29 13:50:04 lhecking Exp $ */
-
- /* GNUPLOT - driver.h $Id: driver.h,v 1.8.2.1 1999/09/29 13:50:04 lhecking Exp $ */
-
- /*[
- * Copyright 1986 - 1993, 1998 Thomas Williams, Colin Kelley
- *
- * Permission to use, copy, and distribute this software and its
- * documentation for any purpose with or without fee is hereby granted,
- * provided that the above copyright notice appear in all copies and
- * that both that copyright notice and this permission notice appear
- * in supporting documentation.
- *
- * Permission to modify the software is granted, but not the right to
- * distribute the complete modified source code. Modifications are to
- * be distributed as patches to the released version. Permission to
- * distribute binaries produced by compiling modified sources is granted,
- * provided you
- * 1. distribute the corresponding source modifications from the
- * released version in the form of a patch file along with the binaries,
- * 2. add special version identification to distinguish your version
- * in addition to the base release version number,
- * 3. provide your name and address as the primary contact for the
- * support of your modified version, and
- * 4. retain our contact information in regard to use of the base
- * software.
- * Permission to distribute the released version of the source code along
- * with corresponding source modifications in the form of a patch file is
- * granted with same provisions 2 through 4 for binary distributions.
- *
- * This software is provided "as is" without express or implied warranty
- * to the extent permitted by applicable law.
- ]*/
-
-
- #ifndef TERM_DRIVER_H
- #define TERM_DRIVER_H
-
- #if 0
- /* Dangerous; putc may already be defined as fputc */
- /* corey@cac added the next line for efficiency */
- #define fputc putc
- #endif
-
- /* functions provided by term.c */
-
- void do_point __PROTO((unsigned int x, unsigned int y, int number));
- void line_and_point __PROTO((unsigned int x, unsigned int y, int number));
- void do_arrow __PROTO((unsigned int sx, unsigned int sy, unsigned int ex, unsigned int ey, int head));
- int null_text_angle __PROTO((int ang));
- int null_justify_text __PROTO((enum JUSTIFY just));
- int null_scale __PROTO((double x, double y));
- int do_scale __PROTO((double x, double y));
- void options_null __PROTO((void));
- void UNKNOWN_null __PROTO((void));
- int set_font_null __PROTO((char *s));
- void null_set_pointsize __PROTO((double size));
-
- extern FILE *gpoutfile;
- extern struct termentry *term;
- extern float xsize, ysize;
-
- /* for use by all drivers */
- #ifndef NEXT
- #define sign(x) ((x) >= 0 ? 1 : -1)
- #else
- /* it seems that sign as macro causes some conflict with precompiled headers */
- static int sign(int x)
- {
- return x >= 0 ? 1 : -1;
- }
- #endif /* NEXT */
-
- /* abs as macro is now uppercase, there are conflicts with a few C compilers
- that have abs as macro, even though ANSI defines abs as function
- (int abs(int)). Most calls to ABS in term/ could be changed to abs if
- they use only int arguments and others to fabs, but for the time being,
- all calls are done via the macro */
- #ifndef ABS
- # define ABS(x) ((x) >= 0 ? (x) : -(x))
- #endif /* ABS */
-
- /* GPMIN/GPMAX are already defined in "plot.h" */
-
- #define NICE_LINE 0
- #define POINT_TYPES 6
-
- #endif /* TERM_DRIVER_H */
-