C++ (Cpp) MgShapes::getNextShape示例

示例#1

文件： mgcmdmgr2.cpp 项目： rhcad/touchvg-v0.6

void MgCmdManagerImpl::eraseWnd(const MgMotion* sender)
{
    Box2d snap(sender->view->xform()->getWndRectM());
    std::vector<int> delIds;
    void *it = NULL;
    MgShapes* s = sender->view->shapes();

    for (MgShape* shape = s->getFirstShape(it); shape; shape = s->getNextShape(it)) {
        if (shape->shape()->hitTestBox(snap)) {
            delIds.push_back(shape->getID());
        }
    }
    s->freeIterator(it);

    if (!delIds.empty()
            && sender->view->shapeWillDeleted(s->findShape(delIds.front()))) {
        MgShapesLock locker(MgShapesLock::Remove, sender->view);

        for (std::vector<int>::iterator i = delIds.begin(); i != delIds.end(); ++i) {
            MgShape* shape = s->findShape(*i);
            if (shape && sender->view->removeShape(shape)) {
                shape->release();
            }
        }
        sender->view->regenAll();
    }
}