/* return TRUE if edge has label */
int common_init_edge(edge_t * e)
{
char *s;
int html = 0, r = 0;
struct fontinfo fi;
struct fontinfo lfi;
fi.fontname = NULL;
lfi.fontname = NULL;
if (E_label && (s = agxget(e, E_label->index)) && (s[0])) {
r = 1;
html = aghtmlstr(s);
if (html)
s = strdup(s);
else
s = strdup_and_subst_edge(s, e);
initFontEdgeAttr(e, &fi);
ED_label(e) = make_label(html, s,
fi.fontsize, fi.fontname, fi.fontcolor,
e->tail->graph);
#ifdef ENABLE_HTML //maks
if (html) {
if (make_html_label(ED_label(e), e) == 1)
edgeError(e, "label");
}
#endif
GD_has_labels(e->tail->graph) |= EDGE_LABEL;
ED_label_ontop(e) =
mapbool(late_string(e, E_label_float, "false"));
}
/* vladimir */
if (E_headlabel && (s = agxget(e, E_headlabel->index)) && (s[0])) {
html = aghtmlstr(s);
if (html)
s = strdup(s);
else
s = strdup_and_subst_edge(s, e);
initFontLabelEdgeAttr(e, &fi, &lfi);
ED_head_label(e) = make_label(html, s,
lfi.fontsize, lfi.fontname,
lfi.fontcolor, e->tail->graph);
#ifdef ENABLE_HTML //maks
if (html) {
if (make_html_label(ED_head_label(e), e) == 1)
edgeError(e, "head label");
}
#endif
GD_has_labels(e->tail->graph) |= HEAD_LABEL;
}
if (E_taillabel && (s = agxget(e, E_taillabel->index)) && (s[0])) {
html = aghtmlstr(s);
if (html)
s = strdup(s);
else
s = strdup_and_subst_edge(s, e);
if (!lfi.fontname)
initFontLabelEdgeAttr(e, &fi, &lfi);
ED_tail_label(e) = make_label(html, s,
lfi.fontsize, lfi.fontname,
lfi.fontcolor, e->tail->graph);
#ifdef ENABLE_HTML //maks
if (html) {
if (make_html_label(ED_tail_label(e), e) == 1)
edgeError(e, "tail label");
}
#endif
GD_has_labels(e->tail->graph) |= TAIL_LABEL;
}
/* end vladimir */
/* We still accept ports beginning with colons but this is deprecated */
s = agget(e, TAIL_ID);
if (s[0])
ND_has_port(e->tail) = TRUE;
ED_tail_port(e) = chkPort (ND_shape(e->tail)->fns->portfn,e->tail, s);
if (noClip(e, E_tailclip))
ED_tail_port(e).clip = FALSE;
s = agget(e, HEAD_ID);
if (s[0])
ND_has_port(e->head) = TRUE;
ED_head_port(e) = chkPort(ND_shape(e->head)->fns->portfn,e->head, s);
if (noClip(e, E_headclip))
ED_head_port(e).clip = FALSE;
return r;
}
/* return true if edge has label */
int common_init_edge(edge_t * e)
{
char *str;
int r = 0;
struct fontinfo fi;
struct fontinfo lfi;
graph_t *sg = agraphof(agtail(e));
fi.fontname = NULL;
lfi.fontname = NULL;
if (E_label && (str = agxget(e, E_label)) && (str[0])) {
r = 1;
initFontEdgeAttr(e, &fi);
ED_label(e) = make_label((void*)e, str, (aghtmlstr(str) ? LT_HTML : LT_NONE),
fi.fontsize, fi.fontname, fi.fontcolor);
GD_has_labels(sg) |= EDGE_LABEL;
ED_label_ontop(e) =
mapbool(late_string(e, E_label_float, "false"));
}
if (E_xlabel && (str = agxget(e, E_xlabel)) && (str[0])) {
if (!fi.fontname)
initFontEdgeAttr(e, &fi);
ED_xlabel(e) = make_label((void*)e, str, (aghtmlstr(str) ? LT_HTML : LT_NONE),
fi.fontsize, fi.fontname, fi.fontcolor);
GD_has_labels(sg) |= EDGE_XLABEL;
}
/* vladimir */
if (E_headlabel && (str = agxget(e, E_headlabel)) && (str[0])) {
initFontLabelEdgeAttr(e, &fi, &lfi);
ED_head_label(e) = make_label((void*)e, str, (aghtmlstr(str) ? LT_HTML : LT_NONE),
lfi.fontsize, lfi.fontname, lfi.fontcolor);
GD_has_labels(sg) |= HEAD_LABEL;
}
if (E_taillabel && (str = agxget(e, E_taillabel)) && (str[0])) {
if (!lfi.fontname)
initFontLabelEdgeAttr(e, &fi, &lfi);
ED_tail_label(e) = make_label((void*)e, str, (aghtmlstr(str) ? LT_HTML : LT_NONE),
lfi.fontsize, lfi.fontname, lfi.fontcolor);
GD_has_labels(sg) |= TAIL_LABEL;
}
/* end vladimir */
/* We still accept ports beginning with colons but this is deprecated
* That is, we allow tailport = ":abc" as well as the preferred
* tailport = "abc".
*/
str = agget(e, TAIL_ID);
/* libgraph always defines tailport/headport; libcgraph doesn't */
if (!str) str = "";
if (str && str[0])
ND_has_port(agtail(e)) = TRUE;
ED_tail_port(e) = chkPort (ND_shape(agtail(e))->fns->portfn, agtail(e), str);
if (noClip(e, E_tailclip))
ED_tail_port(e).clip = FALSE;
str = agget(e, HEAD_ID);
/* libgraph always defines tailport/headport; libcgraph doesn't */
if (!str) str = "";
if (str && str[0])
ND_has_port(aghead(e)) = TRUE;
ED_head_port(e) = chkPort(ND_shape(aghead(e))->fns->portfn, aghead(e), str);
if (noClip(e, E_headclip))
ED_head_port(e).clip = FALSE;
return r;
}
