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- /*
- * FIG : Facility for Interactive Generation of figures
- *
- * Copyright (c) 1988 by Supoj Sutanthavibul (supoj@sally.UTEXAS.EDU)
- * Febuary 1988.
- *
- * %W% %G%
- */
- #include "fig.h"
- #include "object.h"
-
- delete_arc(arc_list, arc)
- F_arc **arc_list, *arc;
- {
- F_arc *a, *aa;
-
- if (*arc_list == NULL) return;
- if (arc == NULL) return;
-
- for (a = aa = *arc_list; aa != NULL; a = aa, aa = aa->next) {
- if (aa == arc) {
- if (aa == *arc_list)
- *arc_list = (*arc_list)->next;
- else
- a->next = aa->next;
- break;
- }
- }
- arc->next = NULL;
- }
-
- delete_ellipse(ellipse_list, ellipse)
- F_ellipse **ellipse_list, *ellipse;
- {
- F_ellipse *q, *r;
-
- if (*ellipse_list == NULL) return;
- if (ellipse == NULL) return;
-
- for (q = r = *ellipse_list; r != NULL; q = r, r = r->next) {
- if (r == ellipse) {
- if (r == *ellipse_list)
- *ellipse_list = (*ellipse_list)->next;
- else
- q->next = r->next;
- break;
- }
- }
- ellipse->next = NULL;
- }
-
- delete_line(line_list, line)
- F_line *line, **line_list;
- {
- F_line *q, *r;
-
- if (*line_list == NULL) return;
- if (line == NULL) return;
-
- for (q = r = *line_list; r != NULL; q = r, r = r->next) {
- if (r == line) {
- if (r == *line_list)
- *line_list = (*line_list)->next;
- else
- q->next = r->next;
- break;
- }
- }
- line->next = NULL;
- }
-
- delete_spline(spline_list, spline)
- F_spline **spline_list, *spline;
- {
- F_spline *q, *r;
-
- if (*spline_list == NULL) return;
- if (spline == NULL) return;
-
- for (q = r = *spline_list; r != NULL; q = r, r = r->next) {
- if (r == spline) {
- if (r == *spline_list)
- *spline_list = (*spline_list)->next;
- else
- q->next = r->next;
- break;
- }
- }
- spline->next = NULL;
- }
-
- delete_text(text_list, text)
- F_text **text_list, *text;
- {
- F_text *q, *r;
-
- if (*text_list == NULL) return;
- if (text == NULL) return;
-
- for (q = r = *text_list; r != NULL; q = r, r = r->next)
- if (r == text) {
- if (r == *text_list)
- *text_list = text->next;
- else
- q->next = text->next;
- break;
- }
- text->next = NULL;
- }
-
- delete_compound(list, compound)
- F_compound **list, *compound;
- {
- F_compound *c, *cc;
-
- if (*list == NULL) return;
- if (compound == NULL) return;
-
- for (cc = c = *list; c != NULL; cc = c, c = c->next) {
- if (c == compound) {
- if (c == *list)
- *list = (*list)->next;
- else
- cc->next = c->next;
- break;
- }
- }
- compound->next = NULL;
- }
-
- insert_arc(arc_list, a)
- F_arc **arc_list, *a;
- {
- a->next = *arc_list;
- *arc_list = a;
- }
-
- insert_ellipse(ellipse_list, e)
- F_ellipse **ellipse_list, *e;
- {
- e->next = *ellipse_list;
- *ellipse_list = e;
- }
-
- insert_line(line_list, l)
- F_line **line_list, *l;
- {
- l->next = *line_list;
- *line_list = l;
- }
-
- insert_spline(spline_list, s)
- F_spline **spline_list, *s;
- {
- s->next = *spline_list;
- *spline_list = s;
- }
-
- insert_text(text_list, t)
- F_text **text_list, *t;
- {
- t->next = *text_list;
- *text_list = t;
- }
-
-
- insert_compound(list, c)
- F_compound **list, *c;
- {
- c->next = *list;
- *list = c;
- }
-