/**
* Paint edge
*/
void GuiEdge::paint( QPainter * painter,
const QStyleOptionGraphicsItem * option, QWidget * widget)
{
if ( succ() == 0 || pred() == 0)//!!! What is the ugliness!
{
out ("ERROR: the deleted edge is tried to paint!");
return;
}
if (!edge_valid_priv) return;
edgeApplStyle (painter, option);
qreal arrowSize = 10;
// painter->setPen( QPen( Qt::darkRed, 2, Qt::SolidLine, Qt::FlatCap, Qt::MiterJoin));
GuiNode* suc = addGui ( succ());
GuiNode* pre = addGui ( pred());
if (isVirtualRootEdge() && !addGui (graph)->showVnodes()) return;//Do not show virtual root edges
if( suc->real())
{
QPointF dir = (7*edge_end_dir_priv + edge_start_point_priv)/8 - edge_end_point_priv;//!!! Mnemonic rule, it must be changed
drawLineHead (painter, edge_end_point_priv, -atan2 (dir.y(), dir.x()), 10, false);
}
if (edgeLabel().size() && addGui (graph)->showEdgeLabels())
{
drawText (painter);
}
painter->setBrush( Qt::transparent);//!!! change it to black, and you will see, what heppend. I can't explain this
painter->drawPath (edge_curve_priv);
}
/**
* Destructor of GuiEdge class
*/
GuiEdge::~GuiEdge()
{
out( "last nitems:%d, deletenig: ", addGui ( getGraph())->items().count());
debugPrint();
addGui( getGraph())->removeItem( addGui( this));
out( "current nitems%d", addGui( getGraph())->items().count());
}
/**
* Update text distribution between edges
*/
void GuiEdge::updateLabels()
{
float sum_len = 0;
QPoint end_sequence;
bool first_run = full_label.length() == 0;
for (GuiEdge* i = this;;
i->succ()->firstSucc() && (i = addGui (i->succ()->firstSucc())))
{
sum_len += i->length();
if (first_run) full_label += i->edgeLabel();
if (i->succ() && i->succ()->real())
{
end_sequence = addAux(i->succ())->coor();
break;
}
}
float n_letters = 0;
float last_round_up = 0;
int full_len = full_label.length();
QPoint delta = end_sequence - edge_start_point_priv.toPoint();
reverse = -delta.x() > delta.y();
QString buf = full_label;
for (GuiEdge* i = this;;
i->succ()->firstSucc() && (i = addGui (i->succ()->firstSucc())))
{
i->reverse = reverse;
n_letters = full_len*i->length()/sum_len + last_round_up; //give an appropriate substring
last_round_up = n_letters - (int)n_letters;
if (i->succ() && i->succ()->real())//take the last character
n_letters ++;
if (reverse)
{
i->setEdgeLabel (buf.right (n_letters));
buf.remove (buf.length() + 1 - n_letters, n_letters);
}
else
{
i->setEdgeLabel (buf.left (n_letters));
buf.remove (0, n_letters);
}
if (i->succ() && i->succ()->real()) break;
}
}
/**
* Insert node
*/
GuiNode* GuiEdge::insertNode ( QPointF p) //!!! I think it's superannuated
{
GuiNode* node = addGui ( graph->insertNodeOnEdge( this));
node->setReal( false);
node->update();
node->setPos( p.x(), p.y());
return node;
}
void initialize ()
{
// GUI
addGui ( 20, 20, 200, 24, "Frame Time (ms)", GUI_PRINT, GUI_FLOAT, &frameTime, 0, 0 );
addGui ( 20, 50, 200, 24, "Number of Rectangles", GUI_SLIDER, GUI_INT, &numRects, 0, 1000 );
addGui ( 20, 80, 200, 24, "Number of Circles", GUI_SLIDER, GUI_INT, &numCircles, 0, 1000 );
addGui ( 20, 110, 200, 24, "Number of Lines", GUI_SLIDER, GUI_INT, &numLines, 0, 10000 );
addGui ( 20, 140, 200, 24, "Number of Text", GUI_SLIDER, GUI_INT, &numText, 0, 1000 );
glViewport( 0, 0, window_width, window_height );
// required init functions
init2D ( "arial_24" ); // specify font file (.bin/tga)
setText ( 0.5, -0.5 ); // scale by 0.5, kerning adjust -0.5 pixels
setview2D ( window_width, window_height );
setorder2D ( true, -.00001 );
PERF_INIT ( false ); // Enable CPU perf (do not require nv-perfmarker DLL)
PERF_SET ( true, 2, false, "" ); // Perf CPU on, Perf print depth, nv-perfmarkers off, no log file
}
void CloudsVisualSystemFlocking::setupFboViewerGui(string name, ofFbo *fbo)
{
ofxUISuperCanvas *fboGui = new ofxUISuperCanvas(ofToUpper(name), gui);
fboGui->copyCanvasStyle(gui);
fboGui->copyCanvasProperties(gui);
fboGui->setName(name+"Settings");
fboGui->setWidgetFontSize(OFX_UI_FONT_SMALL);
fboGui->addSpacer();
fboGui->addBaseDraws(name, fbo);
fboGui->autoSizeToFitWidgets();
addGui(fboGui);
}
/**
* Update position the edge
*/
void GuiEdge::updatePosition (bool original_run)
{
GuiNode* pre = addGui (pred());
GuiNode* suc = addGui (succ());
edge_start_point_priv = mapFromItem( pre, pre->width()/2, pre->height()/2);
edge_end_point_priv = mapFromItem( suc, suc->width()/2, suc->height()/2);//!!!rarely it not work
if (pre == suc)//mesh edge
{
QPointF heigh (0, 2*pre->height());
QPointF middle (pre->pos().x() - 10, pre->pos().y() + pre->height()/2);
QPointF middleDirUp = middle + heigh;
QPointF middleDirDown = middle - heigh;
edge_start_dir_priv = edge_start_point_priv + heigh;
edge_end_dir_priv = edge_end_point_priv - heigh;
QPolygonF polygon = suc->polygon();
polygon.translate (suc->pos());
getIntersection (QLineF (edge_start_point_priv, edge_start_dir_priv), polygon, &edge_start_point_priv);
getIntersection (QLineF (edge_end_point_priv, edge_end_dir_priv), polygon, &edge_end_point_priv);
QPainterPath path;
path.moveTo (edge_start_point_priv);
path.cubicTo (edge_start_dir_priv, middleDirUp, middle);
path.cubicTo (middleDirDown, edge_end_dir_priv, edge_end_point_priv);
edge_curve_priv = path;
}
else
{
edge_valid_priv = true;
QPolygonF headPolygon = suc->polygon();
headPolygon.translate (suc->pos());
QPolygonF tailPolygon = pre->polygon();
tailPolygon.translate (pre->pos());
if (suc->real())
edge_valid_priv = edge_valid_priv && getIntersection (QLineF (edge_start_point_priv, edge_end_point_priv), headPolygon, &edge_end_point_priv) == QLineF::BoundedIntersection;
if (pre->real())
edge_valid_priv = edge_valid_priv && getIntersection (QLineF (edge_start_point_priv, edge_end_point_priv), tailPolygon, &edge_start_point_priv) == QLineF::BoundedIntersection;
QPointF delta = edge_start_point_priv - edge_end_point_priv;
delta.setX(0);
if (pre->real())
edge_start_dir_priv = (edge_start_point_priv + edge_end_point_priv)/2;
else
{
if (pre->firstPred() != 0)
edge_start_dir_priv = (suc->coor() - pre->firstPred()->pred()->coor())/8 + pre->coor();
else
edge_start_dir_priv = edge_start_point_priv - delta/2;
}
if (suc->real())
edge_end_dir_priv = (edge_start_point_priv + edge_end_point_priv)/2;
else
if (suc->firstSucc() != 0)
edge_end_dir_priv = (pre->coor() - suc->firstSucc()->succ()->coor())/8 + suc->coor();
else
edge_end_dir_priv = edge_end_point_priv + delta/2;
QPainterPath path;
path.moveTo (edge_start_point_priv);
path.cubicTo (edge_start_dir_priv, edge_end_dir_priv, edge_end_point_priv);
if (edge_valid_priv) edge_curve_priv = path;
}
edge_top_left_priv.setX( min< qreal>( edge_start_point_priv.x(), edge_end_point_priv.x()));
edge_top_left_priv.setY( min< qreal>( edge_start_point_priv.y(), edge_end_point_priv.y()));
edge_bottom_right_priv.setX( max< qreal>( edge_start_point_priv.x(), edge_end_point_priv.x()));
edge_bottom_right_priv.setY( max< qreal>( edge_start_point_priv.y(), edge_end_point_priv.y()));
if (original_run)
{
if (Edge::succ() && !addAux (Edge::succ())->real() && Edge::succ()->firstSucc())
addGui (Edge::succ()->firstSucc())->updatePosition (false);//avoidance sharp corners
if (Edge::pred() && !addAux (Edge::pred())->real() && Edge::pred()->firstPred())
addGui (Edge::pred()->firstPred())->updatePosition (false);//avoidance sharp corners
GuiEdge* i = this;
for (i; !i->startEdge(); i->pred()->firstPred() && (i = addGui (i->pred()->firstPred())));
i->updateLabels();
}
prepareGeometryChange();
}