本文整理汇总了C++中Contexts::clear方法的典型用法代码示例。如果您正苦于以下问题：C++ Contexts::clear方法的具体用法？C++ Contexts::clear怎么用？C++ Contexts::clear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Contexts的用法示例。
在下文中一共展示了Contexts::clear方法的2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: getContexts
void CompositeViewer::getContexts(Contexts& contexts, bool onlyValid)
{
typedef std::set<osg::GraphicsContext*> ContextSet;
ContextSet contextSet;
for(RefViews::iterator vitr = _views.begin();
vitr != _views.end();
++vitr)
{
osgViewer::View* view = vitr->get();
if (view->getCamera() &&
view->getCamera()->getGraphicsContext() &&
(view->getCamera()->getGraphicsContext()->valid() || !onlyValid))
{
contextSet.insert(view->getCamera()->getGraphicsContext());
}
for(unsigned int i=0; i<view->getNumSlaves(); ++i)
{
View::Slave& slave = view->getSlave(i);
if (slave._camera.valid() &&
slave._camera->getGraphicsContext() &&
(slave._camera->getGraphicsContext()->valid() || !onlyValid))
{
contextSet.insert(slave._camera->getGraphicsContext());
}
}
}
contexts.clear();
contexts.reserve(contextSet.size());
for(ContextSet::iterator itr = contextSet.begin();
itr != contextSet.end();
++itr)
{
contexts.push_back(const_cast<osg::GraphicsContext*>(*itr));
}
}示例2: getContexts
void CompositeViewer::getContexts(Contexts& contexts, bool onlyValid)
{
typedef std::set<osg::GraphicsContext*> ContextSet;
ContextSet contextSet;
contexts.clear();
for(RefViews::iterator vitr = _views.begin();
vitr != _views.end();
++vitr)
{
osgViewer::View* view = vitr->get();
osg::GraphicsContext* gc = view->getCamera() ? view->getCamera()->getGraphicsContext() : 0;
if (gc && (gc->valid() || !onlyValid))
{
if (contextSet.count(gc)==0)
{
contextSet.insert(gc);
contexts.push_back(gc);
}
}
for(unsigned int i=0; i<view->getNumSlaves(); ++i)
{
View::Slave& slave = view->getSlave(i);
osg::GraphicsContext* sgc = slave._camera.valid() ? slave._camera->getGraphicsContext() : 0;
if (sgc && (sgc->valid() || !onlyValid))
{
if (contextSet.count(sgc)==0)
{
contextSet.insert(sgc);
contexts.push_back(sgc);
}
}
}
}
}