/* size_html_cell:
*/
static int
size_html_cell(graph_t *g, htmlcell_t * cp, htmltbl_t * parent, htmlenv_t * env)
{
int rv;
point sz, child_sz;
int margin;
cp->parent = parent;
if (!(cp->data.flags & PAD_SET)) {
if (parent->data.flags & PAD_SET)
cp->data.pad = parent->data.pad;
else
cp->data.pad = DEFAULT_CELLPADDING;
}
if (!(cp->data.flags & BORDER_SET)) {
if (parent->cb >= 0)
cp->data.border = parent->cb;
else if (parent->data.flags & BORDER_SET)
cp->data.border = parent->data.border;
else
cp->data.border = DEFAULT_BORDER;
}
if (cp->child.kind == HTML_TBL) {
rv = size_html_tbl(g, cp->child.u.tbl, cp, env);
child_sz = cp->child.u.tbl->data.box.UR;
} else if (cp->child.kind == HTML_IMAGE) {
rv = size_html_img(cp->child.u.img, env);
child_sz = cp->child.u.img->box.UR;
} else {
rv = size_html_txt(g, cp->child.u.txt, env);
child_sz = cp->child.u.txt->box.UR;
}
margin = 2 * (cp->data.pad + cp->data.border);
sz.x = child_sz.x + margin;
sz.y = child_sz.y + margin;
if (cp->data.flags & FIXED_FLAG) {
if (cp->data.width && cp->data.height) {
if ((cp->data.width < sz.x) || (cp->data.height < sz.y)) {
agerr(AGWARN, "cell size too small for content\n");
rv = 1;
}
sz.x = sz.y = 0;
} else {
agerr(AGWARN,
"fixed cell size with unspecified width or height\n");
rv = 1;
}
}
cp->data.box.UR.x = MAX(sz.x, cp->data.width);
cp->data.box.UR.y = MAX(sz.y, cp->data.height);
return rv;
}
/* make_html_label:
* Return non-zero if problem parsing HTML. In this case, use object name.
*/
int make_html_label(graph_t *g, textlabel_t * lp, void *obj)
{
int rv;
int wd2, ht2;
box box;
htmllabel_t *lbl;
htmlenv_t env;
env.obj = obj;
switch (agobjkind(obj)) {
case AGGRAPH:
env.g = ((Agraph_t *) obj)->root;
break;
case AGNODE:
env.g = ((Agnode_t *) obj)->graph;
break;
case AGEDGE:
env.g = ((Agedge_t *) obj)->head->graph;
break;
}
env.finfo.size = lp->fontsize;
env.finfo.name = lp->fontname;
env.finfo.color = lp->fontcolor;
lbl = parseHTML(lp->text, &rv, GD_charset(env.g));
if (!lbl) {
/* Parse of label failed; revert to simple text label */
agxbuf xb;
unsigned char buf[SMALLBUF];
agxbinit(&xb, SMALLBUF, buf);
lp->html = FALSE;
lp->text = strdup(nameOf(obj, &xb));
size_label(env.g, lp);
agxbfree(&xb);
return rv;
}
if (lbl->kind == HTML_TBL) {
lbl->u.tbl->data.pencolor = getPenColor(obj);
rv |= size_html_tbl(g, lbl->u.tbl, NULL, &env);
wd2 = (lbl->u.tbl->data.box.UR.x + 1) / 2;
ht2 = (lbl->u.tbl->data.box.UR.y + 1) / 2;
box = boxof(-wd2, -ht2, wd2, ht2);
pos_html_tbl(lbl->u.tbl, box, BOTTOM | RIGHT | TOP | LEFT);
lp->dimen.x = box.UR.x - box.LL.x;
lp->dimen.y = box.UR.y - box.LL.y;
} else {
rv |= size_html_txt(g, lbl->u.txt, &env);
wd2 = (lbl->u.txt->box.UR.x + 1) / 2;
ht2 = (lbl->u.txt->box.UR.y + 1) / 2;
box = boxof(-wd2, -ht2, wd2, ht2);
lbl->u.txt->box = box;
lp->dimen.x = box.UR.x - box.LL.x;
lp->dimen.y = box.UR.y - box.LL.y;
}
lp->u.html = lbl;
/* If the label is a table, replace label text because this may
* be used for the title and alt fields in image maps.
*/
if (lbl->kind == HTML_TBL) {
free (lp->text);
lp->text = strdup ("<TABLE>");
}
return rv;
}
/* make_html_label:
* Return non-zero if problem parsing HTML. In this case, use object name.
*/
int make_html_label(void *obj, textlabel_t * lp)
{
int rv;
double wd2, ht2;
boxf box;
graph_t *g;
htmllabel_t *lbl;
htmlenv_t env;
char *s;
env.obj = obj;
switch (agobjkind(obj)) {
#ifdef WITH_CGRAPH
case AGRAPH:
#else
case AGGRAPH:
#endif
env.g = ((Agraph_t *) obj)->root;
break;
case AGNODE:
env.g = agraphof(((Agnode_t *) obj));
break;
case AGEDGE:
env.g = agraphof(aghead (((Agedge_t *) obj)));
break;
}
g = env.g->root;
env.finfo.size = lp->fontsize;
env.finfo.name = lp->fontname;
env.finfo.color = lp->fontcolor;
lbl = parseHTML(lp->text, &rv, GD_charset(env.g));
if (!lbl) {
/* Parse of label failed; revert to simple text label */
agxbuf xb;
unsigned char buf[SMALLBUF];
agxbinit(&xb, SMALLBUF, buf);
lp->html = FALSE;
lp->text = strdup(nameOf(obj, &xb));
switch (lp->charset) {
case CHAR_LATIN1:
s = latin1ToUTF8(lp->text);
break;
default: /* UTF8 */
s = htmlEntityUTF8(lp->text, env.g);
break;
}
free(lp->text);
lp->text = s;
make_simple_label(g, lp);
agxbfree(&xb);
return rv;
}
if (lbl->kind == HTML_TBL) {
if (! lbl->u.tbl->data.pencolor && getPenColor(obj))
lbl->u.tbl->data.pencolor = strdup(getPenColor(obj));
rv |= size_html_tbl(g, lbl->u.tbl, NULL, &env);
wd2 = (lbl->u.tbl->data.box.UR.x + 1) / 2;
ht2 = (lbl->u.tbl->data.box.UR.y + 1) / 2;
box = boxfof(-wd2, -ht2, wd2, ht2);
pos_html_tbl(lbl->u.tbl, box, BOTTOM | RIGHT | TOP | LEFT);
lp->dimen.x = box.UR.x - box.LL.x;
lp->dimen.y = box.UR.y - box.LL.y;
} else {
rv |= size_html_txt(g, lbl->u.txt, &env);
wd2 = (lbl->u.txt->box.UR.x + 1) / 2;
ht2 = (lbl->u.txt->box.UR.y + 1) / 2;
box = boxfof(-wd2, -ht2, wd2, ht2);
lbl->u.txt->box = box;
lp->dimen.x = box.UR.x - box.LL.x;
lp->dimen.y = box.UR.y - box.LL.y;
}
lp->u.html = lbl;
/* If the label is a table, replace label text because this may
* be used for the title and alt fields in image maps.
*/
if (lbl->kind == HTML_TBL) {
free (lp->text);
lp->text = strdup ("<TABLE>");
}
return rv;
}
