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-rw-r--r--src/graphlayout/graphlayout.cpp150
1 files changed, 75 insertions, 75 deletions
diff --git a/src/graphlayout/graphlayout.cpp b/src/graphlayout/graphlayout.cpp
index 81ea59059..23b0ee13b 100644
--- a/src/graphlayout/graphlayout.cpp
+++ b/src/graphlayout/graphlayout.cpp
@@ -44,21 +44,21 @@ using namespace vpsc;
* Returns true if item is a connector
*/
bool isConnector(SPItem const *const i) {
- SPPath *path = NULL;
- if(SP_IS_PATH(i)) {
- path = SP_PATH(i);
- }
- return path && path->connEndPair.isAutoRoutingConn();
+ SPPath *path = NULL;
+ if(SP_IS_PATH(i)) {
+ path = SP_PATH(i);
+ }
+ return path && path->connEndPair.isAutoRoutingConn();
}
struct CheckProgress : TestConvergence {
CheckProgress(double d,unsigned i,list<SPItem *>&
- selected,vector<Rectangle*>& rs,map<string,unsigned>& nodelookup) :
+ selected,vector<Rectangle*>& rs,map<string,unsigned>& nodelookup) :
TestConvergence(d,i), selected(selected), rs(rs), nodelookup(nodelookup) {}
- bool operator()(double new_stress, double* X, double* Y) {
+ bool operator()(double new_stress, double* X, double* Y) {
/* This is where, if we wanted to animate the layout, we would need to update
* the positions of all objects and redraw the canvas and maybe sleep a bit
- cout << "stress="<<new_stress<<endl;
+ cout << "stress="<<new_stress<<endl;
cout << "x[0]="<<rs[0]->getMinX()<<endl;
for (list<SPItem *>::iterator it(selected.begin());
it != selected.end();
@@ -74,43 +74,43 @@ struct CheckProgress : TestConvergence {
}
}
*/
- return TestConvergence::operator()(new_stress,X,Y);
- }
+ return TestConvergence::operator()(new_stress,X,Y);
+ }
list<SPItem *>& selected;
vector<Rectangle*>& rs;
map<string,unsigned>& nodelookup;
};
/**
- * Scans the items list and places those items that are
+ * Scans the items list and places those items that are
* not connectors in filtered
*/
void filterConnectors(GSList const *const items, list<SPItem *> &filtered) {
- for(GSList *i=(GSList *)items; i!=NULL; i=i->next) {
- SPItem *item=SP_ITEM(i->data);
- if(!isConnector(item)) {
- filtered.push_back(item);
- }
- }
+ for(GSList *i=(GSList *)items; i!=NULL; i=i->next) {
+ SPItem *item=SP_ITEM(i->data);
+ if(!isConnector(item)) {
+ filtered.push_back(item);
+ }
+ }
}
/**
-* Takes a list of inkscape items, extracts the graph defined by
+* Takes a list of inkscape items, extracts the graph defined by
* connectors between them, and uses graph layout techniques to find
* a nice layout
*/
void graphlayout(GSList const *const items) {
- if(!items) {
- return;
- }
+ if(!items) {
+ return;
+ }
- using Inkscape::Util::GSListConstIterator;
- list<SPItem *> selected;
- filterConnectors(items,selected);
- if (selected.empty()) return;
+ using Inkscape::Util::GSListConstIterator;
+ list<SPItem *> selected;
+ filterConnectors(items,selected);
+ if (selected.empty()) return;
- const unsigned n=selected.size();
- //Check 2 or more selected objects
- if (n < 2) return;
+ const unsigned n=selected.size();
+ //Check 2 or more selected objects
+ if (n < 2) return;
// add the connector spacing to the size of node bounding boxes
// so that connectors can always be routed between shapes
@@ -118,19 +118,19 @@ void graphlayout(GSList const *const items) {
double spacing = 0;
if(desktop) spacing = desktop->namedview->connector_spacing+0.1;
- map<string,unsigned> nodelookup;
- vector<Rectangle*> rs;
- vector<Edge> es;
- for (list<SPItem *>::iterator i(selected.begin());
- i != selected.end();
- ++i)
- {
- SPItem *u=*i;
- Geom::OptRect const item_box(sp_item_bbox_desktop(u));
+ map<string,unsigned> nodelookup;
+ vector<Rectangle*> rs;
+ vector<Edge> es;
+ for (list<SPItem *>::iterator i(selected.begin());
+ i != selected.end();
+ ++i)
+ {
+ SPItem *u=*i;
+ Geom::OptRect const item_box(sp_item_bbox_desktop(u));
if(item_box) {
Geom::Point ll(item_box->min());
Geom::Point ur(item_box->max());
- nodelookup[u->id]=rs.size();
+ nodelookup[u->getId()]=rs.size();
rs.push_back(new Rectangle(ll[0]-spacing,ur[0]+spacing,
ll[1]-spacing,ur[1]+spacing));
} else {
@@ -140,29 +140,29 @@ void graphlayout(GSList const *const items) {
// probably pretty safe to simply ignore
//fprintf(stderr,"NULL item_box found in graphlayout, ignoring!\n");
}
- }
+ }
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
- SimpleConstraints scx,scy;
- double ideal_connector_length = prefs->getDouble("/tools/connector/length", 100.0);
- double directed_edge_height_modifier = 1.0;
-
- bool directed = prefs->getBool("/tools/connector/directedlayout");
- bool avoid_overlaps = prefs->getBool("/tools/connector/avoidoverlaplayout");
+ SimpleConstraints scx,scy;
+ double ideal_connector_length = prefs->getDouble("/tools/connector/length", 100.0);
+ double directed_edge_height_modifier = 1.0;
+
+ bool directed = prefs->getBool("/tools/connector/directedlayout");
+ bool avoid_overlaps = prefs->getBool("/tools/connector/avoidoverlaplayout");
- for (list<SPItem *>::iterator i(selected.begin());
- i != selected.end();
- ++i)
- {
- SPItem *iu=*i;
- map<string,unsigned>::iterator i=nodelookup.find(iu->id);
+ for (list<SPItem *>::iterator i(selected.begin());
+ i != selected.end();
+ ++i)
+ {
+ SPItem *iu=*i;
+ map<string,unsigned>::iterator i=nodelookup.find(iu->getId());
if(i==nodelookup.end()) {
continue;
}
unsigned u=i->second;
GSList *nlist=iu->avoidRef->getAttachedConnectors(Avoid::runningFrom);
list<SPItem *> connectors;
-
+
connectors.insert<GSListConstIterator<SPItem *> >(connectors.end(),nlist,NULL);
for (list<SPItem *>::iterator j(connectors.begin());
j != connectors.end();
@@ -177,35 +177,35 @@ void graphlayout(GSList const *const items) {
} else {
iv=items[0];
}
-
+
if (iv == NULL) {
- // The connector is not attached to anything at the
+ // The connector is not attached to anything at the
// other end so we should just ignore it.
continue;
}
// If iv not in nodelookup we again treat the connector
// as disconnected and continue
- map<string,unsigned>::iterator v_pair=nodelookup.find(iv->id);
+ map<string,unsigned>::iterator v_pair=nodelookup.find(iv->getId());
if(v_pair!=nodelookup.end()) {
unsigned v=v_pair->second;
//cout << "Edge: (" << u <<","<<v<<")"<<endl;
es.push_back(make_pair(u,v));
if(conn->style->marker[SP_MARKER_LOC_END].set) {
if(directed && strcmp(conn->style->marker[SP_MARKER_LOC_END].value,"none")) {
- scy.push_back(new SimpleConstraint(v, u,
+ scy.push_back(new SimpleConstraint(v, u,
(ideal_connector_length * directed_edge_height_modifier)));
}
}
}
}
- if(nlist) {
- g_slist_free(nlist);
- }
- }
- const unsigned E = es.size();
- double eweights[E];
- fill(eweights,eweights+E,1);
+ if(nlist) {
+ g_slist_free(nlist);
+ }
+ }
+ const unsigned E = es.size();
+ double eweights[E];
+ fill(eweights,eweights+E,1);
vector<Component*> cs;
connectedComponents(rs,es,scx,scy,cs);
for(unsigned i=0;i<cs.size();i++) {
@@ -218,15 +218,15 @@ void graphlayout(GSList const *const items) {
alg.run();
}
separateComponents(cs);
-
- for (list<SPItem *>::iterator it(selected.begin());
- it != selected.end();
- ++it)
- {
- SPItem *u=*it;
- if(!isConnector(u)) {
- map<string,unsigned>::iterator i=nodelookup.find(u->id);
- if(i!=nodelookup.end()) {
+
+ for (list<SPItem *>::iterator it(selected.begin());
+ it != selected.end();
+ ++it)
+ {
+ SPItem *u=*it;
+ if(!isConnector(u)) {
+ map<string,unsigned>::iterator i=nodelookup.find(u->getId());
+ if(i!=nodelookup.end()) {
Rectangle* r=rs[i->second];
Geom::OptRect item_box(sp_item_bbox_desktop(u));
if(item_box) {
@@ -235,8 +235,8 @@ void graphlayout(GSList const *const items) {
sp_item_move_rel(u, Geom::Translate(dest - curr));
}
}
- }
- }
+ }
+ }
for(unsigned i=0;i<scx.size();i++) {
delete scx[i];
}
@@ -247,7 +247,7 @@ void graphlayout(GSList const *const items) {
delete rs[i];
}
}
-// vim: set cindent
+// vim: set cindent
// vim: ts=4 sw=4 et tw=0 wm=0
/*