+void write_svp_postscript(const char*filename, ArtSVP*svp)
+{
+ FILE*fi = fopen(filename, "wb");
+ int i, j;
+ double xmin=0,ymin=0,xmax=0,ymax=0;
+ fprintf(fi, "%% begin\n");
+ for (i = 0; i < svp->n_segs; i++) {
+ for (j = 0; j < svp->segs[i].n_points; j++) {
+ double x = svp->segs[i].points[j].x;
+ double y = svp->segs[i].points[j].y;
+ if(i==0 && j==0) {
+ xmin = xmax = x;
+ ymin = ymax = y;
+ } else {
+ if(x < xmin) xmin = x;
+ if(x > xmax) xmax = x;
+ if(y < ymin) ymin = y;
+ if(y > ymax) ymax = y;
+ }
+ }
+ }
+ if(xmax == xmin) xmax=xmin+1;
+ if(ymax == ymin) ymax=ymin+1;
+
+ for (i = 0; i < svp->n_segs; i++)
+ {
+ fprintf(fi, "%g setgray\n", svp->segs[i].dir ? 0.7 : 0);
+ for (j = 0; j < svp->segs[i].n_points; j++)
+ {
+ fprintf(fi, "%g %g %s\n",
+ 20 + 550*(svp->segs[i].points[j].x-xmin)/(xmax-xmin),
+ 820 - 800*(svp->segs[i].points[j].y-ymin)/(ymax-ymin),
+ j ? "lineto" : "moveto");
+ }
+ fprintf(fi, "stroke\n");
+ }
+
+ fprintf(fi, "showpage\n");
+ fclose(fi);
+}
+
+void write_vpath_postscript(const char*filename, ArtVpath*path)
+{
+ FILE*fi = fopen(filename, "wb");
+ int i, j;
+ double xmin=0,ymin=0,xmax=0,ymax=0;
+ fprintf(fi, "%% begin\n");
+ ArtVpath*p = path;
+ char first = 1;
+ while(p->code != ART_END) {
+ if(p->code == ART_MOVETO || p->code == ART_MOVETO_OPEN) {
+ if(!first)
+ fprintf(fi, "stroke\n");
+ first = 0;
+ fprintf(fi, "1 setgray\n");
+ fprintf(fi, "%.32f %.32f moveto\n", p->x, p->y);
+ } else {
+ fprintf(fi, "%.32f %.32f lineto\n", p->x, p->y);
+ }
+ p++;
+ }
+ if(!first)
+ fprintf(fi, "stroke\n");
+ fprintf(fi, "showpage\n");
+ fclose(fi);
+}
+
+static int vpath_len(ArtVpath*svp)
+{
+ int len = 0;
+ while(svp->code != ART_END) {
+ svp ++;
+ len ++;
+ }
+ return len;
+}
+
+int gfxline_len(gfxline_t*line)
+{
+ gfxline_t*i = line;
+ int len = 0;
+ while(i) {
+ len ++;
+ i = i->next;
+ }
+ return len;
+}
+
+
+static int debug = 0;
+static ArtSVP* gfxfillToSVP(gfxline_t*line, int perturb)