QTransferFunction& QTransferFunction::operator = (const QTransferFunction& Other)
{
QPresetXML::operator=(Other);
blockSignals(true);
m_Nodes = Other.m_Nodes;
m_pSelectedNode = Other.m_pSelectedNode;
// Notify us when the nodes change
for (int i = 0; i < m_Nodes.size(); i++)
connect(&m_Nodes[i], SIGNAL(NodeChanged(QNode*)), this, SLOT(OnNodeChanged(QNode*)));
m_DensityScale = Other.m_DensityScale;
m_ShadingType = Other.m_ShadingType;
m_GradientFactor = Other.m_GradientFactor;
// Update node's range
UpdateNodeRanges();
blockSignals(false);
// Notify others that the function has changed selection has changed
emit Changed();
SetSelectedNode(NULL);
return *this;
}
void QTransferFunction::RemoveNode(QNode* pNode)
{
if (!pNode)
return;
// Remove the connection
disconnect(pNode, SIGNAL(NodeChanged(QNode*)), this, SLOT(OnNodeChanged(QNode*)));
// Node index of the to be removed node
int NodeIndex = m_Nodes.indexOf(*pNode);
// Remove from list and memory
m_Nodes.remove(*pNode);
// Update ID's
for (int i = 0; i < m_Nodes.size(); i++)
m_Nodes[i].m_ID = i;
// Update node's range
UpdateNodeRanges();
// Select the previous node
NodeIndex = qMax(0, NodeIndex - 1);
SetSelectedNode(NodeIndex);
// Inform others that the transfer function has changed
emit Changed();
Log("Removed node", "layer-select-point");
}
void QTransferFunction::AddNode(const QNode& Node)
{
// Add the node to the list
m_Nodes.append(Node);
// Cache node
QNode& CacheNode = m_Nodes.back();
// Sort the transfer function nodes based on intensity
qSort(m_Nodes.begin(), m_Nodes.end(), CompareNodes);
// Update ID's
for (int i = 0; i < m_Nodes.size(); i++)
m_Nodes[i].m_ID = i;
// Update ranges
UpdateNodeRanges();
// Notify us when the node changes
connect(&CacheNode, SIGNAL(NodeChanged(QNode*)), this, SLOT(OnNodeChanged(QNode*)));
for (int i = 0; i < m_Nodes.size(); i++)
{
if (Node.GetIntensity() == m_Nodes[i].GetIntensity())
SetSelectedNode(&m_Nodes[i]);
}
// Inform others that the transfer function has changed
emit Changed();
if (!signalsBlocked())
Log("Inserted node", "layer-select-point");
}
void QTransferFunction::SelectLastNode(void)
{
if (m_Nodes.size() == 0)
return;
SetSelectedNode(&m_Nodes[m_Nodes.size() - 1]);
}
void QTransferFunction::SelectNextNode(void)
{
if (!m_pSelectedNode)
return;
int Index = m_Nodes.indexOf(*GetSelectedNode());
if (Index < 0)
return;
// Compute new index
const int NewIndex = qMin(m_Nodes.size() - 1, qMax(0, Index + 1));
// Set selected node
SetSelectedNode(&m_Nodes[NewIndex]);
}
void touchmind::win::CanvasPanel::CancelSelectedNode() {
SetSelectedNode(nullptr);
}
