本文整理汇总了C++中GEdge::nextPred方法的典型用法代码示例。如果您正苦于以下问题：C++ GEdge::nextPred方法的具体用法？C++ GEdge::nextPred怎么用？C++ GEdge::nextPred使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类GEdge的用法示例。
在下文中一共展示了GEdge::nextPred方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: graph
/**
* Destructor for node - removes edge controls on incidient edges and disconnects item from scene
*/
GNode::~GNode()
{
graph()->invalidateRanking();
if ( ( isEdgeControl() || isEdgeLabel())
&& isNotNullP( firstPred())
&& isNotNullP( firstSucc())
&& isNotNullP( firstPred()->pred())
&& isNotNullP( firstSucc()->succ()))
{
GRAPH_ASSERTD( areEqP( firstPred()->style(), firstSucc()->style()),
"Different styles on the same edge");
GEdge *e = graph()->newEdge( firstPred()->pred(), firstSucc()->succ());
e->setStyle( firstPred()->style());
} else if ( isSimple())
{
QList< GNode *> nodes;
GEdge* edge;
Marker m = graph()->newMarker();
for ( edge = firstSucc(); isNotNullP( edge); edge = edge->nextSucc())
{
edge->item()->adjust();
GNode* succ = edge->succ();
while ( succ->isEdgeControl() || succ->isEdgeLabel())
{
assert( isNotNullP( succ->firstSucc()));
if ( succ->mark( m))
{
nodes << succ;
}
succ = succ->firstSucc()->succ();
}
}
for ( edge = firstPred(); isNotNullP( edge); edge = edge->nextPred())
{
if ( edge->isSelf()) // We've already processed this one in previous loop
continue;
edge->item()->adjust();
GNode* pred = edge->pred();
while ( pred->isEdgeControl() || pred->isEdgeLabel())
{
assert( isNotNullP( pred->firstPred()));
if ( pred->mark( m))
{
nodes << pred;
}
pred = pred->firstPred()->pred();
}
}
foreach ( GNode *n, nodes)
{
graph()->deleteNode( n);
}
graph()->freeMarker( m);
}