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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);