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/* OpenIDA - Outil d'analyse de fichiers binaires
* dot.c - interactions avec le système dot
*
* Copyright (C) 2009 Cyrille Bagard
*
* This file is part of OpenIDA.
*
* OpenIDA is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* OpenIDA is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
#include "dot.h"
#include <malloc.h>
#include <graphviz/gvc.h>
#include <graphviz/types.h>
/* Graphique selon Graphviz */
struct _graph_layout
{
GVC_t *context; /* Contexte pour Graphviz */
graph_t *graph; /* Graphique construit */
};
/******************************************************************************
* *
* Paramètres : cmds = description textuelle du graphique à représenter. *
* *
* Description : Charge un graphique à partir de sa description. *
* *
* Retour : Bilan de l'opération. *
* *
* Remarques : - *
* *
******************************************************************************/
graph_layout *create_graph_layout(char *cmds)
{
graph_layout *result; /* Composants à retourner */
int ret; /* Bilan d'un appel */
result = (graph_layout *)calloc(1, sizeof(graph_layout));
result->context = gvContext();
result->graph = agmemread(cmds);
if (result->graph == NULL) goto cdl_error;
ret = gvLayout(result->context, result->graph, "dot");
printf("ret = %d\n", ret);
ret = gvRender(result->context, result->graph, "dot", NULL);
printf("ret = %d\n", ret);
return result;
cdl_error:
delete_graph_layout(result);
return NULL;
}
/******************************************************************************
* *
* Paramètres : layout = graphique à supprimer de la mémoire. *
* *
* Description : Décharge un graphique. *
* *
* Retour : - *
* *
* Remarques : - *
* *
******************************************************************************/
void delete_graph_layout(graph_layout *layout)
{
if (layout->graph != NULL)
{
gvFreeLayout(layout->context, layout->graph);
agclose(layout->graph);
}
gvFreeContext(layout->context);
free(layout);
}
/******************************************************************************
* *
* Paramètres : layout = graphique à supprimer de la mémoire. *
* fixed = support de destination. *
* nodes = liste de noeuds à traiter. *
* count = taille de la liste. *
* *
* Description : Place tous les éléments du graphique à l'écran. *
* *
* Retour : - *
* *
* Remarques : - *
* *
******************************************************************************/
void place_nodes_of_graph_layout(const graph_layout *layout, GtkFixed *fixed, GGraphNode **nodes, size_t count)
{
node_t *iter; /* Boucle de parcours */
GGraphNode *node; /* Intermédiaire concerné */
for (iter = agfstnode(layout->graph); iter != NULL; iter = agnxtnode(layout->graph, iter))
{
node = find_graph_node_by_name(nodes, count, iter->name);
g_graph_node_place(node, fixed, (double)iter->u.coord.x, (double)iter->u.coord.y);
}
}
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