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g2_PS_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_PS_P_H
00019 #define _G2_PS_P_H
00020 
00021 #include "g2_PS.h"
00022 
00023 
00024 typedef struct _g2_PS_inks {
00025     double r;                                   /* red   [0:1] */
00026     double g;                                   /* green [0:1] */
00027     double b;                                   /* blue  [0:1] */
00028 } g2_PS_inks;
00029 
00030 
00031 
00032 typedef struct _g2_PS_device {
00033   FILE                    *fp;          /* output file pointer */
00034   enum g2_PS_paper        paper;        /* paper type */
00035   enum g2_PS_orientation  orient;       /* page orientation */
00036   enum g2_PS_format       format;       /* PS or EPSF format */
00037   long                    width,height; /* width and height for EPSF */
00038   double                  x1,y1,x2,y2;  /* min. Bounding Box */
00039   int                     bbox;         /* Bounding Box empty flag */
00040   double                  w,size;       /* line width/font size (required for Bbox) */
00041   
00042   g2_PS_inks     *inks;                 /* allocated colors */
00043   int            N_ink;                 /* number of allocated colors*/
00044   int            pen;                   /* current pen */
00045   int            page_counter;          /* page counter ( Clear() ) */ 
00046 } g2_PS_device;
00047 
00048 
00049 
00050 void g2_PS_bbox_add(g2_PS_device *ps,double x,double y,double size);
00051 int g2_PS_write_file_header(g2_PS_device *psd);
00052 int g2_PS_delete(int pid, void *pdp);
00053 int g2_PS_ink(int pid, void *pdp,
00054               double red, double green, double blue);
00055 int g2_PS_pen(int pid, void *pdp, int color);
00056 int g2_PS_set_background(int pid, void *pdp, int color);
00057 int g2_PS_reset_palette(int pid, void *pdp);
00058 int g2_PS_clear_palette(int pid, void *pdp);
00059 int g2_PS_set_line_width(int pid, void *pdp, double w);
00060 int g2_PS_set_dash(int pid, void *pdp, int N, double *data);
00061 int g2_PS_set_font_size(int pid, void *pdp, double size);
00062 int g2_PS_clear(int pid, void *pdp);
00063 int g2_PS_flush(int pid, void *pdp);
00064 int g2_PS_plot(int pid, void *pdp, double x, double y);
00065 int g2_PS_line(int pid, void *pdp, double x1, double y1, double x2, double y2);
00066 int g2_PS_poly_line(int pid, void *pdp, int N, double *points);
00067 int g2_PS_polygon(int pid, void *pdp, int N, double *points);
00068 int g2_PS_filled_polygon(int pid, void *pdp, int N, double *points);
00069 int g2_PS_rectangle(int pid, void *pdp,
00070                     double x1, double y1, double x2, double y2);
00071 int g2_PS_filled_rectangle(int pid, void *pdp,
00072                            double x1, double y1, double x2, double y2);
00073 int g2_PS_triangle(int pid, void *pdp,
00074                    double x1, double y1,
00075                    double x2, double y2,
00076                    double x3, double y3);
00077 int g2_PS_filled_triangle(int pid, void *pdp,
00078                          double x1, double y1,
00079                          double x2, double y2,
00080                          double x3, double y3);
00081 int g2_PS_arc(int pid, void *pdp,
00082               double x, double y,
00083               double r1, double r2,
00084               double a1, double a2);
00085 int g2_PS_filled_arc(int pid, void *pdp,
00086                      double x, double y,
00087                      double r1, double r2,
00088                      double a1, double a2);
00089 int g2_PS_ellipse(int pid, void *pdp,
00090                   double x, double y,
00091                   double r1, double r2);
00092 int g2_PS_filled_ellipse(int pid, void *pdp,
00093                          double x, double y,
00094                          double r1, double r2);
00095 int g2_PS_draw_string(int pid, void *pdp,
00096                       double x, double y, const char *text);
00097 
00098 #endif /* _G2_PS_P_H */
00099 

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