bool pixelIsAssignedToNode(unsigned int x, unsigned int y,
const NodeType& node) {
auto pixelNodeId = nodeIdImage.getPixelValue(x, y);
auto pixelNodeLevel = internalImage.getPixelValue(x, y);
return pixelNodeId == node.getId() && pixelNodeLevel == node.getLevel();
}
void connectPixelsMaybeReplacingParent(const NodeType& firstNode,
const NodeType& secondNode) {
auto& isBefore = levelOrderComparator;
auto firstNodeParentLevel = firstNode.getParent().getLevel();
auto secondNodeLevel = secondNode.getLevel();
if (isBefore(firstNodeParentLevel, secondNodeLevel))
minMaxTree.setNodeParent(firstNode, secondNode);
}
void removeRootNode(const NodeType& node) {
minMaxTree.removeNode(node.getLevel(), node.getId());
auto newColor = minMaxTree.getFirstLevel();
auto newId = 0u;
updatePixelsIfOnCollapsedLevel(newColor, newId);
updatePixelsIfAssignedToNode(node, newColor, newId);
}
void removeNormalNode(const NodeType& node) {
auto& parent = node.getParent();
auto newColor = parent.getLevel();
auto newId = parent.getId();
updatePixelsIfAssignedToNode(node, newColor, newId);
minMaxTree.removeNode(node.getLevel(), node.getId());
}
void removeNode(const NodeType& node) {
auto level = node.getLevel();
if (minMaxTree.hasLevel(level))
safelyRemoveNode(node);
}