1 files changed, 150 insertions, 0 deletions
diff --git a/umbrello/umbrello/autolayout/graphvizgraph.cpp b/umbrello/umbrello/autolayout/graphvizgraph.cpp
new file mode 100644
index 00000000..716f9223
--- /dev/null
+++ b/umbrello/umbrello/autolayout/graphvizgraph.cpp
@@ -0,0 +1,150 @@
+/***************************************************************************
+ *  copyright (C) 2005
+ *  Umbrello UML Modeller Authors <uml-devel @uml.sf.net>
+ *                                                                         *
+ *   This program 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 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+#include "graphvizgraph.h"
+
+#include <graphviz/graph.h>
+#include <kdebug.h>
+
+#define DPI 96
+
+char* _strcpy(const char* name)
+{
+    char *a;
+    strlen(name);
+    a=new char[strlen(name)+1];
+    a=strcpy(a,name);
+    return a;
+}
+namespace Autolayout
+{
+
+/**
+ *
+ * @return
+ */
+GraphvizGraph::GraphvizGraph()
+        : Autolayout::Graph()
+{
+    aginit();
+    empty_flag=true;
+    _agraph = agopen("graph",AGDIGRAPH);
+    a_width= agnodeattr(_agraph, "width", "");;
+    a_height= agnodeattr(_agraph, "height", "");
+    a_label = agnodeattr(_agraph, "label", "");
+    a_weight= agedgeattr(_agraph,"weight","");
+    agnodeattr(_agraph, "fixedsize", "true");
+    agnodeattr(_agraph, "margin", "0.01,0.01");
+    agnodeattr(_agraph, "shape", "box");
+    agraphattr(_agraph, "dpi", "DPI/0");
+
+
+}
+
+
+GraphvizGraph::~GraphvizGraph()
+{
+    nodelist.clear();
+    agclose(_agraph);
+    /* Free graph structures */
+    //#ifndef internal_renderizer
+
+    /* Clean up output file and errors */
+    // dotneato_terminate(gvc);
+    //dotneato_eof(gvc);
+
+}
+
+
+
+
+void GraphvizGraph::addEdge(const char* nodea, const char* nodeb, int weight)
+{
+    char *a=_strcpy(nodea);
+    char *b=_strcpy(nodeb);
+    char *weight_str;
+    asprintf(&weight_str,"%d",weight);
+    Agedge_t* e= agedge(_agraph,agnode(_agraph,a),agnode(_agraph,b));
+    delete[](a);
+    delete[](b);
+    agxset(e,a_weight->index,weight_str);
+
+
+}
+
+void GraphvizGraph::addNode(const char* name, int width, int height)
+{
+    char *a =_strcpy(name);
+    char *w_str,*h_str;
+    Agnode_t* node =agnode(_agraph,a);
+    delete[](a);
+    agxset(node, a_label->index, "a");
+    asprintf(&h_str,"%f",((float)height)/DPI);
+    asprintf(&w_str,"%f",((float)width)/DPI);
+    agxset(node, a_height->index,h_str);// sprintf("%d",height));
+    free (h_str);
+    agxset(node, a_width->index, w_str);
+    free (w_str);
+    empty_flag = false;
+}
+
+
+void Autolayout::GraphvizGraph::setCompressShapes( bool b )
+{
+    if (empty())
+    {
+        if (b) agraphattr(_agraph,"ratio","compress");
+        else agraphattr(_agraph,"ratio","");
+    }
+}
+
+void Autolayout::GraphvizGraph::setCenterDiagram( bool b )
+{
+    if (empty())
+    {
+        if (b)  agraphattr(_agraph,"center","true");
+        else  agraphattr(_agraph,"center","false");
+    }
+}
+
+void Autolayout::GraphvizGraph::setShapeSeparation( int i )
+{
+    char* a;
+    asprintf(&a,"%f",((float) i)/10.0);
+    agraphattr(_agraph,"nodesep",a);
+    free (a);
+}
+
+bool Autolayout::GraphvizGraph::empty( )
+{
+    return empty_flag;
+}
+
+Autolayout::Node* Autolayout::GraphvizGraph::getNode( const char * arg1 )
+{
+    char *a = _strcpy(arg1);
+    Autolayout::GraphvizNode* b=
+        new Autolayout::GraphvizNode(agnode(_agraph,a));
+    delete[](a);
+    nodelist.push_back(b);
+    return b;
+}
+
+void GraphvizGraph::setCanvas( Autolayout::Canvas * canvas)
+{
+    char buf[100];
+    sprintf(buf,"%f,%f",((float)canvas->getMaxX()/DPI),((float)canvas->getMaxY()/DPI));
+    kDebug() << "size: " << buf << endl;
+    agraphattr(_agraph, "size", buf);
+    agraphattr(_agraph, "page", buf);
+}
+
+}  // end namespace Autolayout
+