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