2 * This file is part of the GROMACS molecular simulation package.
4 * Copyright (c) 1991-2000, University of Groningen, The Netherlands.
5 * Copyright (c) 2001-2004, The GROMACS development team.
6 * Copyright (c) 2013,2014,2015,2017, by the GROMACS development team, led by
7 * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
8 * and including many others, as listed in the AUTHORS file in the
9 * top-level source directory and at http://www.gromacs.org.
11 * GROMACS is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public License
13 * as published by the Free Software Foundation; either version 2.1
14 * of the License, or (at your option) any later version.
16 * GROMACS is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with GROMACS; if not, see
23 * http://www.gnu.org/licenses, or write to the Free Software Foundation,
24 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
26 * If you want to redistribute modifications to GROMACS, please
27 * consider that scientific software is very special. Version
28 * control is crucial - bugs must be traceable. We will be happy to
29 * consider code for inclusion in the official distribution, but
30 * derived work must not be called official GROMACS. Details are found
31 * in the README & COPYING files - if they are missing, get the
32 * official version at http://www.gromacs.org.
34 * To help us fund GROMACS development, we humbly ask that you cite
35 * the research papers on the package. Check out http://www.gromacs.org.
43 #include "gromacs/fileio/gmxfio.h"
44 #include "gromacs/utility/fatalerror.h"
45 #include "gromacs/utility/futil.h"
46 #include "gromacs/utility/smalloc.h"
48 const char *fontnm
[efontNR
] = {
49 "Times-Roman", "Times-Italic", "Times-Bold", "Times-BoldItalic",
50 "Helvetica", "Helvetica-Oblique", "Helvetica-Bold", "Helvetica-BoldOblique",
51 "Courier", "Courier-Oblique", "Courier-Bold", "Courier-BoldOblique"
55 /* Internal psdata structure (abstract datatype)
56 * to maintain the current state of the ps engine.
68 t_psdata
ps_open(const char *fn
, real x1
, real y1
, real x2
, real y2
)
74 ps
->fp
= gmx_fio_fopen(fn
, "w");
75 fprintf(ps
->fp
, "%%!PS-Adobe-2.0 EPSF-1.2\n");
76 fprintf(ps
->fp
, "%%%%Creator: GROMACS\n");
77 fprintf(ps
->fp
, "%%%%Title: %s\n", fn
);
78 fprintf(ps
->fp
, "%%%%BoundingBox: %g %g %g %g\n", x1
, y1
, x2
, y2
);
79 fprintf(ps
->fp
, "%%%%EndComments\n");
80 fprintf(ps
->fp
, "/m {moveto} bind def\n");
81 fprintf(ps
->fp
, "/l {lineto} bind def\n");
82 fprintf(ps
->fp
, "/rm {rmoveto} bind def\n");
83 fprintf(ps
->fp
, "/r {rlineto} bind def\n");
84 fprintf(ps
->fp
, "/f {fill} bind def\n");
85 fprintf(ps
->fp
, "/s {stroke} bind def\n");
96 void ps_linewidth(t_psdata ps
, int lw
)
98 fprintf(ps
->fp
, "%d setlinewidth\n", lw
);
101 static void ps_defcolor(t_psdata ps
, real r
, real g
, real b
, char *cname
)
103 fprintf(ps
->fp
, "/%s {%g %g %g setrgbcolor} bind def\n", cname
, r
, g
, b
);
106 static void ps_selcolor(t_psdata ps
, char *cname
)
108 fprintf(ps
->fp
, "%s\n", cname
);
111 static int search_col(t_psdata ps
, real r
, real g
, real b
)
116 for (i
= 0; (i
< ps
->nrgb
); i
++)
118 if ((ps
->rgb
[i
].r
== r
) && (ps
->rgb
[i
].g
== g
) && (ps
->rgb
[i
].b
== b
))
124 if (ps
->nrgb
>= ps
->maxrgb
)
127 srenew(ps
->rgb
, ps
->maxrgb
);
130 sprintf(buf
, "C%d", ps
->nrgb
);
131 ps_defcolor(ps
, r
, g
, b
, buf
);
132 fprintf(ps
->fp
, "/B%d {%s b} bind def\n", ps
->nrgb
, buf
);
141 void ps_color(t_psdata ps
, real r
, real g
, real b
)
146 i
= search_col(ps
, r
, g
, b
);
148 sprintf(buf
, "C%d", i
);
149 ps_selcolor(ps
, buf
);
152 void ps_rgb(t_psdata ps
, t_rgb
*rgb
)
154 ps_color(ps
, rgb
->r
, rgb
->g
, rgb
->b
);
158 void ps_init_rgb_nbox(t_psdata ps
, real xbox
, real ybox
)
161 fprintf(ps
->fp
, "/by {def currentpoint "
162 "%g y r %g %g r %g y neg r %g %g r f y add moveto} bind def\n",
163 0.0, xbox
, 0.0, 0.0, -xbox
, 0.0);
164 /* macro bn is used in ps_rgb_nbox to draw rectangular boxes */
167 void ps_rgb_nbox(t_psdata ps
, t_rgb
*rgb
, real n
)
174 fprintf(ps
->fp
, "/y %g by\n", n
*ps
->gen_ybox
);
175 /* macro by is defined in ps_init_rgb_nbox */
179 for (i
= 0; (i
< n
); i
++)
187 void ps_init_rgb_box(t_psdata ps
, real xbox
, real ybox
)
189 fprintf(ps
->fp
, "/b {currentpoint "
190 "%g %g r %g %g r %g %g r %g %g r f %g add moveto} bind def\n",
191 0.0, ybox
, xbox
, 0.0, 0.0, -ybox
, -xbox
, 0.0, ybox
);
192 /* macro b is used in search_col to define macro B */
195 void ps_rgb_box(t_psdata ps
, t_rgb
*rgb
)
197 fprintf(ps
->fp
, "B%d\n", search_col(ps
, rgb
->r
, rgb
->g
, rgb
->b
));
198 /* macro B is defined in search_col from macro b */
201 void ps_lineto(t_psdata ps
, real x
, real y
)
203 fprintf(ps
->fp
, "%g %g l\n", x
, y
);
206 void ps_linerel(t_psdata ps
, real dx
, real dy
)
208 fprintf(ps
->fp
, "%g %g r\n", dx
, dy
);
211 void ps_moveto(t_psdata ps
, real x
, real y
)
213 fprintf(ps
->fp
, "%g %g m\n", x
, y
);
216 void ps_moverel(t_psdata ps
, real dx
, real dy
)
218 fprintf(ps
->fp
, "%g %g rm\n", dx
, dy
);
221 void ps_line(t_psdata ps
, real x1
, real y1
, real x2
, real y2
)
223 ps_moveto(ps
, x1
, y1
);
224 ps_lineto(ps
, x2
, y2
);
225 fprintf(ps
->fp
, "s\n");
228 static void do_box(t_psdata ps
, real x1
, real y1
, real x2
, real y2
)
230 ps_moveto(ps
, x1
, y1
);
231 ps_linerel(ps
, 0, (real
)(y2
-y1
));
232 ps_linerel(ps
, (real
)(x2
-x1
), 0);
233 ps_linerel(ps
, 0, (real
)(y1
-y2
));
234 ps_linerel(ps
, (real
)(x1
-x2
), 0);
237 void ps_box(t_psdata ps
, real x1
, real y1
, real x2
, real y2
)
239 do_box(ps
, x1
, y1
, x2
, y2
);
240 fprintf(ps
->fp
, "s\n");
243 void ps_fillbox(t_psdata ps
, real x1
, real y1
, real x2
, real y2
)
245 do_box(ps
, x1
, y1
, x2
, y2
);
246 fprintf(ps
->fp
, "f\n");
249 void ps_arc(t_psdata ps
, real x1
, real y1
, real rad
, real a0
, real a1
)
251 fprintf(ps
->fp
, "%g %g %g %g %g arc s\n", x1
, y1
, rad
, a0
, a1
);
254 void ps_fillarc(t_psdata ps
, real x1
, real y1
, real rad
, real a0
, real a1
)
256 fprintf(ps
->fp
, "%g %g %g %g %g arc f\n", x1
, y1
, rad
, a0
, a1
);
259 void ps_arcslice(t_psdata ps
, real xc
, real yc
,
260 real rad1
, real rad2
, real a0
, real a1
)
262 fprintf(ps
->fp
, "newpath %g %g %g %g %g arc %g %g %g %g %g arcn closepath s\n",
263 xc
, yc
, rad1
, a0
, a1
, xc
, yc
, rad2
, a1
, a0
);
266 void ps_fillarcslice(t_psdata ps
, real xc
, real yc
,
267 real rad1
, real rad2
, real a0
, real a1
)
269 fprintf(ps
->fp
, "newpath %g %g %g %g %g arc %g %g %g %g %g arcn closepath f\n",
270 xc
, yc
, rad1
, a0
, a1
, xc
, yc
, rad2
, a1
, a0
);
273 void ps_circle(t_psdata ps
, real x1
, real y1
, real rad
)
275 ps_arc(ps
, x1
, y1
, rad
, 0, 360);
278 void ps_font(t_psdata ps
, int font
, real size
)
281 if ((font
< 0) || (font
> efontNR
))
283 fprintf(stderr
, "Invalid Font: %d, using %s\n", font
, fontnm
[0]);
286 fprintf(ps
->fp
, "/%s findfont\n", fontnm
[font
]);
287 fprintf(ps
->fp
, "%g scalefont setfont\n", size
);
290 void ps_strfont(t_psdata ps
, char *font
, real size
)
292 fprintf(ps
->fp
, "/%s findfont\n", font
);
293 fprintf(ps
->fp
, "%g scalefont setfont\n", size
);
296 void ps_text(t_psdata ps
, real x1
, real y1
, const char *str
)
298 ps_moveto(ps
, x1
, y1
);
299 fprintf(ps
->fp
, "(%s) show\n", str
);
302 void ps_flip(t_psdata ps
, gmx_bool bPlus
)
306 fprintf(ps
->fp
, "612.5 0 translate 90 rotate\n");
310 fprintf(ps
->fp
, "-90 rotate -612.5 0 translate\n");
314 void ps_rotate(t_psdata ps
, real angle
)
316 fprintf(ps
->fp
, "%f rotate\n", angle
);
319 void ps_ctext(t_psdata ps
, real x1
, real y1
, const char *str
, int expos
)
323 ps_text(ps
, x1
, y1
, str
);
326 ps_moveto(ps
, x1
, y1
);
327 fprintf(ps
->fp
, "(%s) stringwidth\n", str
);
331 fprintf(ps
->fp
, "exch 0 exch pop exch\n");
334 fprintf(ps
->fp
, "exch 2 div neg exch\n");
337 fprintf(ps
->fp
, "exch neg exch\n");
340 gmx_fatal(FARGS
, "invalid position index (expos=%d)", expos
);
342 fprintf(ps
->fp
, "rmoveto (%s) show\n", str
);
345 void ps_translate(t_psdata ps
, real x
, real y
)
347 fprintf(ps
->fp
, "%g %g translate\n", x
, y
);
350 void ps_setorigin(t_psdata ps
)
352 fprintf(ps
->fp
, "currentpoint dup 3 -1 roll dup 4 1 roll exch translate\n");
356 void ps_unsetorigin(t_psdata ps
)
360 gmx_fatal(FARGS
, "No origin on stack!\n");
362 fprintf(ps
->fp
, "neg exch neg exch translate\n");
366 void ps_close(t_psdata ps
)
368 fprintf(ps
->fp
, "%%showpage\n");
369 fprintf(ps
->fp
, "%%%%EOF\n");
370 gmx_fio_fclose(ps
->fp
);
375 void ps_comment(t_psdata ps
, const char *s
)
377 fprintf(ps
->fp
, "%%%% %s\n", s
);