/* 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; }