// get image
unsigned int * ImageBase::getImage (unsigned int texId, double ts)
{
// if image is not available
if (!m_avail)
{
// if there are any sources
if (!m_sources.empty())
{
// get images from sources
for (ImageSourceList::iterator it = m_sources.begin(); it != m_sources.end(); ++it)
// get source image
(*it)->getImage(ts);
// init image
init(m_sources[0]->getSize()[0], m_sources[0]->getSize()[1]);
}
// calculate new image
calcImage(texId, ts);
}
// if image is available, return it, otherwise NULL
return m_avail ? m_image : NULL;
}
void QGraph::mouseMoveEvent(QMouseEvent *e){
mark=calcImage(fromWidget(e->pos()));
if(pushed & Qt::MidButton && ant != toViewport(e->pos())){
QPoint rel = e->pos() - press - (toWidget(.5,.5)-toWidget(0.,0.));
rel = toViewport(rel);
viewport.setLeft(viewport.left() - rel.x()); viewport.setRight(viewport.right() - rel.x());
viewport.setTop(viewport.top() - rel.y()); viewport.setBottom(viewport.bottom() - rel.y());
update_points();
press = e->pos();
ant = toViewport(e->pos());
valid=false;
sendStatus(QString("(%1, %2)-(%3, %4)").arg(viewport.left()).arg(viewport.top()).arg(viewport.right()).arg(viewport.bottom()));
} else if(pushed == Qt::LeftButton) {
last = e->pos();
} else if(pushed==0)
sendStatus(QString("x=%1 y=%2") .arg(mark.x(),3,'f',2).arg(mark.y(),3,'f',2));
this->repaint(false);
}
