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44 #include "gmx_fatal.h"
50 const char *fontnm[efontNR] = {
51 "Times-Roman","Times-Italic", "Times-Bold", "Times-BoldItalic",
52 "Helvetica", "Helvetica-Oblique","Helvetica-Bold","Helvetica-BoldOblique",
53 "Courier", "Courier-Oblique", "Courier-Bold", "Courier-BoldOblique"
57 /* Internal psdata structure (abstract datatype)
58 * to maintain the current state of the ps engine.
70 t_psdata ps_open(const char *fn,real x1,real y1,real x2,real y2)
76 ps->fp=gmx_fio_fopen(fn,"w");
77 fprintf(ps->fp,"%%!PS-Adobe-2.0 EPSF-1.2\n");
78 fprintf(ps->fp,"%%%%Creator: GROMACS\n");
79 fprintf(ps->fp,"%%%%Title: %s\n",fn);
80 fprintf(ps->fp,"%%%%BoundingBox: %g %g %g %g\n",x1,y1,x2,y2);
81 fprintf(ps->fp,"%%%%EndComments\n");
82 fprintf(ps->fp,"/m {moveto} bind def\n");
83 fprintf(ps->fp,"/l {lineto} bind def\n");
84 fprintf(ps->fp,"/rm {rmoveto} bind def\n");
85 fprintf(ps->fp,"/r {rlineto} bind def\n");
86 fprintf(ps->fp,"/f {fill} bind def\n");
87 fprintf(ps->fp,"/s {stroke} bind def\n");
98 void ps_linewidth(t_psdata ps, int lw)
100 fprintf(ps->fp,"%d setlinewidth\n",lw);
103 static void ps_defcolor(t_psdata ps,real r,real g,real b,char *cname)
105 fprintf(ps->fp,"/%s {%g %g %g setrgbcolor} bind def\n",cname,r,g,b);
108 static void ps_selcolor(t_psdata ps,char *cname)
110 fprintf(ps->fp,"%s\n",cname);
113 static int search_col(t_psdata ps,real r,real g,real b)
118 for(i=0; (i<ps->nrgb); i++)
119 if ((ps->rgb[i].r == r) && (ps->rgb[i].g == g) && (ps->rgb[i].b == b))
122 if (ps->nrgb >= ps->maxrgb) {
124 srenew(ps->rgb,ps->maxrgb);
127 sprintf(buf,"C%d",ps->nrgb);
128 ps_defcolor(ps,r,g,b,buf);
129 fprintf(ps->fp,"/B%d {%s b} bind def\n",ps->nrgb,buf);
138 void ps_color(t_psdata ps,real r,real g,real b)
143 i=search_col(ps,r,g,b);
145 sprintf(buf,"C%d",i);
149 void ps_rgb(t_psdata ps,t_rgb *rgb)
151 ps_color(ps,rgb->r,rgb->g,rgb->b);
155 void ps_init_rgb_nbox(t_psdata ps,real xbox, real ybox)
158 fprintf(ps->fp,"/by {def currentpoint "
159 "%g y r %g %g r %g y neg r %g %g r f y add moveto} bind def\n",
160 0.0,xbox,0.0,0.0,-xbox,0.0);
161 /* macro bn is used in ps_rgb_nbox to draw rectangular boxes */
164 void ps_rgb_nbox(t_psdata ps,t_rgb *rgb,real n)
170 fprintf(ps->fp,"/y %g by\n",n*ps->gen_ybox);
171 /* macro by is defined in ps_init_rgb_nbox */
173 for (i=0; (i<n); i++)
178 void ps_init_rgb_box(t_psdata ps,real xbox, real ybox)
180 fprintf(ps->fp,"/b {currentpoint "
181 "%g %g r %g %g r %g %g r %g %g r f %g add moveto} bind def\n",
182 0.0,ybox,xbox,0.0,0.0,-ybox,-xbox,0.0,ybox);
183 /* macro b is used in search_col to define macro B */
186 void ps_rgb_box(t_psdata ps,t_rgb *rgb)
188 fprintf(ps->fp,"B%d\n",search_col(ps,rgb->r,rgb->g,rgb->b));
189 /* macro B is defined in search_col from macro b */
192 void ps_lineto(t_psdata ps,real x,real y)
194 fprintf(ps->fp,"%g %g l\n",x,y);
197 void ps_linerel(t_psdata ps,real dx,real dy)
199 fprintf(ps->fp,"%g %g r\n",dx,dy);
202 void ps_moveto(t_psdata ps,real x,real y)
204 fprintf(ps->fp,"%g %g m\n",x,y);
207 void ps_moverel(t_psdata ps,real dx,real dy)
209 fprintf(ps->fp,"%g %g rm\n",dx,dy);
212 void ps_line(t_psdata ps,real x1,real y1,real x2,real y2)
216 fprintf(ps->fp,"s\n");
219 static void do_box(t_psdata ps,real x1,real y1,real x2,real y2)
222 ps_linerel(ps,0,(real)(y2-y1));
223 ps_linerel(ps,(real)(x2-x1),0);
224 ps_linerel(ps,0,(real)(y1-y2));
225 ps_linerel(ps,(real)(x1-x2),0);
228 void ps_box(t_psdata ps,real x1,real y1,real x2,real y2)
230 do_box(ps,x1,y1,x2,y2);
231 fprintf(ps->fp,"s\n");
234 void ps_fillbox(t_psdata ps,real x1,real y1,real x2,real y2)
236 do_box(ps,x1,y1,x2,y2);
237 fprintf(ps->fp,"f\n");
240 void ps_arc(t_psdata ps,real x1,real y1,real rad,real a0,real a1)
242 fprintf(ps->fp,"%g %g %g %g %g arc s\n",x1,y1,rad,a0,a1);
245 void ps_fillarc(t_psdata ps,real x1,real y1,real rad,real a0,real a1)
247 fprintf(ps->fp,"%g %g %g %g %g arc f\n",x1,y1,rad,a0,a1);
250 void ps_arcslice(t_psdata ps,real xc,real yc,
251 real rad1,real rad2,real a0,real a1)
253 fprintf(ps->fp,"newpath %g %g %g %g %g arc %g %g %g %g %g arcn closepath s\n",
254 xc,yc,rad1,a0,a1,xc,yc,rad2,a1,a0);
257 void ps_fillarcslice(t_psdata ps,real xc,real yc,
258 real rad1,real rad2,real a0,real a1)
260 fprintf(ps->fp,"newpath %g %g %g %g %g arc %g %g %g %g %g arcn closepath f\n",
261 xc,yc,rad1,a0,a1,xc,yc,rad2,a1,a0);
264 void ps_circle(t_psdata ps,real x1,real y1,real rad)
266 ps_arc(ps,x1,y1,rad,0,360);
269 void ps_font(t_psdata ps,int font,real size)
272 if ((font < 0) || (font > efontNR)) {
273 fprintf(stderr,"Invalid Font: %d, using %s\n",font,fontnm[0]);
276 fprintf(ps->fp,"/%s findfont\n",fontnm[font]);
277 fprintf(ps->fp,"%g scalefont setfont\n",size);
280 void ps_strfont(t_psdata ps,char *font,real size)
282 fprintf(ps->fp,"/%s findfont\n",font);
283 fprintf(ps->fp,"%g scalefont setfont\n",size);
286 void ps_text(t_psdata ps,real x1,real y1,const char *str)
289 fprintf(ps->fp,"(%s) show\n",str);
292 void ps_flip(t_psdata ps,gmx_bool bPlus)
295 fprintf(ps->fp,"612.5 0 translate 90 rotate\n");
297 fprintf(ps->fp,"-90 rotate -612.5 0 translate\n");
300 void ps_rotate(t_psdata ps,real angle)
302 fprintf(ps->fp,"%f rotate\n",angle);
305 void ps_ctext(t_psdata ps,real x1,real y1,const char *str,int expos)
307 if (expos == eXLeft) {
308 ps_text(ps,x1,y1,str);
312 fprintf(ps->fp,"(%s) stringwidth\n",str);
315 fprintf(ps->fp,"exch 0 exch pop exch\n");
318 fprintf(ps->fp,"exch 2 div neg exch\n");
321 fprintf(ps->fp,"exch neg exch\n");
324 gmx_fatal(FARGS,"invalid position index (expos=%d)",expos);
326 fprintf(ps->fp,"rmoveto (%s) show\n",str);
329 void ps_translate(t_psdata ps,real x,real y)
331 fprintf(ps->fp,"%g %g translate\n",x,y);
334 void ps_setorigin(t_psdata ps)
336 fprintf(ps->fp,"currentpoint dup 3 -1 roll dup 4 1 roll exch translate\n");
340 void ps_unsetorigin(t_psdata ps)
343 gmx_fatal(FARGS,"No origin on stack!\n");
344 fprintf(ps->fp,"neg exch neg exch translate\n");
348 void ps_close(t_psdata ps)
350 fprintf(ps->fp,"%%showpage\n");
351 fprintf(ps->fp,"%%%%EOF\n");
352 gmx_fio_fclose(ps->fp);
357 void ps_comment(t_psdata ps,const char *s)
359 fprintf(ps->fp,"%%%% %s\n",s);