Campbell Barton
c434782e3a
Use a shorter/simpler license convention, stops the header taking so much space. Follow the SPDX license specification: https://spdx.org/licenses - C/C++/objc/objc++ - Python - Shell Scripts - CMake, GNUmakefile While most of the source tree has been included - `./extern/` was left out. - `./intern/cycles` & `./intern/atomic` are also excluded because they use different header conventions. doc/license/SPDX-license-identifiers.txt has been added to list SPDX all used identifiers. See P2788 for the script that automated these edits. Reviewed By: brecht, mont29, sergey Ref D14069
109 lines
2.4 KiB
C++
109 lines
2.4 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup freestyle
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* \brief Class to represent a group node. This node can contains several children.
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* \brief It also contains a transform matrix indicating the transform state of the underlying
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* children.
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*/
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#include "NodeGroup.h"
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namespace Freestyle {
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void NodeGroup::AddChild(Node *iChild)
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{
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if (nullptr == iChild) {
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return;
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}
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_Children.push_back(iChild);
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iChild->addRef();
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}
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int NodeGroup::destroy()
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{
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/** Node::destroy makes a release on the object and then returns the reference counter.
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* If the reference counter is equal to 0, that means that nobody else is linking this node
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* group and that we can destroy the whole underlying tree. Else, one or several Node link this
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* node group, and we only returns the reference counter decremented by Node::destroy();
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*/
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int refThis = Node::destroy();
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// if refThis != 0, we can't destroy the tree
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if (0 != refThis) {
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return refThis;
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}
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// If we are here, that means that nobody else needs our NodeGroup and we can destroy it.
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int refCount = 0;
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vector<Node *>::iterator node;
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for (node = _Children.begin(); node != _Children.end(); ++node) {
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refCount = (*node)->destroy();
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if (0 == refCount) {
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delete (*node);
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}
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}
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_Children.clear();
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return refThis;
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}
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void NodeGroup::accept(SceneVisitor &v)
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{
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v.visitNodeGroup(*this);
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v.visitNodeGroupBefore(*this);
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for (vector<Node *>::iterator node = _Children.begin(), end = _Children.end(); node != end;
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++node) {
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(*node)->accept(v);
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}
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v.visitNodeGroupAfter(*this);
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}
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void NodeGroup::DetachChildren()
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{
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vector<Node *>::iterator node;
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for (node = _Children.begin(); node != _Children.end(); ++node) {
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(*node)->release();
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}
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_Children.clear();
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}
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void NodeGroup::DetachChild(Node *iChild)
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{
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/* int found = 0; */ /* UNUSED */
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vector<Node *>::iterator node;
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for (node = _Children.begin(); node != _Children.end(); ++node) {
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if ((*node) == iChild) {
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(*node)->release();
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_Children.erase(node);
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/* found = 1; */ /* UNUSED */
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break;
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}
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}
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}
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void NodeGroup::RetrieveChildren(vector<Node *> &oNodes)
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{
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oNodes = _Children;
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}
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const BBox<Vec3r> &NodeGroup::UpdateBBox()
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{
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vector<Node *>::iterator node;
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clearBBox();
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for (node = _Children.begin(); node != _Children.end(); ++node) {
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AddBBox((*node)->UpdateBBox());
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}
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return Node::UpdateBBox();
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}
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} /* namespace Freestyle */
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