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# g2_FIG_P.h

    00001 /*****************************************************************************
    00002 **  This is part of the g2 library
    00003 **  Copyright (C) 1998  Ljubomir Milanovic & Horst Wagner
    00004 **
    00005 **  This program is free software; you can redistribute it and/or modify
    00006 **  it under the terms of the GNU General Public License (version 2) as
    00007 **  published by the Free Software Foundation.
    00008 **
    00009 **  This program is distributed in the hope that it will be useful,
    00010 **  but WITHOUT ANY WARRANTY; without even the implied warranty of
    00011 **  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00012 **  GNU General Public License for more details.
    00013 **
    00014 **  You should have received a copy of the GNU General Public License
    00015 **  along with this program; if not, write to the Free Software
    00016 **  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    00017 ******************************************************************************/
    00018 #ifndef _G2_FIG_P_H
    00019 #define _G2_FIG_P_H
    00020
    00021 #include "g2_FIG.h"
    00022
    00023 #include <stdio.h>
    00024
    00025 typedef struct _g2_FIG_inks {
    00026     unsigned char red;
    00027     unsigned char green;
    00028     unsigned char blue;
    00029 } g2_FIG_inks;
    00030
    00031 typedef struct _g2_FIG_device {
    00032     FILE           *fp;           /* output file pointer */
    00033     int            pen_color;     /* current pen */
    00034     int            thickness;     /* line thickness */
    00035     int            font_size;     /* font size */
    00036     int            line_style;    /* line style according to fig format */
    00037     int            style_val;     /* line style value acc. to fig format */
    00038
    00039     g2_FIG_inks    inks[512];      /* 512 user defined colors */
    00040     int            N_inks;         /* number of allocated colors */
    00041     fpos_t         color_file_pos; /* file position of colors, ftell */
    00042 } g2_FIG_device;
    00043
    00044
    00045
    00046 int g2_FIG_write_file_header(g2_FIG_device *figd);
    00047 int g2_FIG_delete(int pid, void *pdp);
    00048 int g2_FIG_ink(int pid, void *pdp,
    00049               double red, double green, double blue);
    00050 int g2_FIG_pen(int pid, void *pdp, int color);
    00051 int g2_FIG_set_background(int pid, void *pdp, int color);
    00052 int g2_FIG_reset_palette(int pid, void *pdp);
    00053 int g2_FIG_clear_palette(int pid, void *pdp);
    00054 int g2_FIG_set_line_width(int pid, void *pdp, int w);
    00055 int g2_FIG_set_dash(int pid, void *pdp, int N, int *data);
    00056 int g2_FIG_set_font_size(int pid, void *pdp, int size);
    00057 int g2_FIG_clear(int pid, void *pdp);
    00058 int g2_FIG_flush(int pid, void *pdp);
    00059 int g2_FIG_plot(int pid, void *pdp, int x, int y);
    00060 int g2_FIG_line(int pid, void *pdp, int x1, int y1, int x2, int y2);
    00061 int g2_FIG_poly_line(int pid, void *pdp, int N, int *points);
    00062 int g2_FIG_polygon(int pid, void *pdp, int N, int *points);
    00063 int g2_FIG_filled_polygon(int pid, void *pdp, int N, int *points);
    00064 int g2_FIG_arc(int pid, void *pdp,
    00065               int x, int y,
    00066               int r1, int r2,
    00067               double a1, double a2);
    00068 int g2_FIG_filled_arc(int pid, void *pdp,
    00069                      int x, int y,
    00070                      int r1, int r2,
    00071                      double a1, double a2);
    00072 int g2_FIG_ellipse(int pid, void *pdp,
    00073                   int x, int y,
    00074                   int r1, int r2);
    00075 int g2_FIG_filled_ellipse(int pid, void *pdp,
    00076                          int x, int y,
    00077                          int r1, int r2);
    00078 int g2_FIG_draw_string(int pid, void *pdp,
    00079                       int x, int y, const char *text);
    00080
    00081 #endif /* _G2_FIG_P_H */