void
AuxBoundaryData::initialize (const BoxArray& ba,
int n_grow,
int n_comp,
const Geometry& geom)
{
BL_ASSERT(!m_initialized);
const bool verbose = false;
const int NProcs = ParallelDescriptor::NProcs();
const Real strt_time = ParallelDescriptor::second();
m_ngrow = n_grow;
BoxList gcells = BoxLib::GetBndryCells(ba,n_grow);
//
// Remove any intersections with periodically shifted valid region.
//
if (geom.isAnyPeriodic())
{
Box dmn = geom.Domain();
for (int d = 0; d < BL_SPACEDIM; d++)
if (!geom.isPeriodic(d))
dmn.grow(d,n_grow);
for (BoxList::iterator it = gcells.begin(); it != gcells.end(); )
{
const Box& isect = *it & dmn;
if (isect.ok())
{
*it++ = isect;
}
else
{
gcells.remove(it++);
}
}
}
gcells.simplify();
if (gcells.size() < NProcs)
{
gcells.maxSize(BL_SPACEDIM == 3 ? 64 : 128);
}
BoxArray nba(gcells);
gcells.clear();
if (nba.size() > 0)
{
m_fabs.define(nba, n_comp, 0, Fab_allocate);
}
else
{
m_empty = true;
}
if (verbose)
{
const int IOProc = ParallelDescriptor::IOProcessorNumber();
Real run_time = ParallelDescriptor::second() - strt_time;
const int sz = nba.size();
#ifdef BL_LAZY
Lazy::QueueReduction( [=] () mutable {
#endif
ParallelDescriptor::ReduceRealMax(run_time,IOProc);
if (ParallelDescriptor::IOProcessor())
std::cout << "AuxBoundaryData::initialize() size = " << sz << ", time = " << run_time << '\n';
#ifdef BL_LAZY
});
#endif
}
m_initialized = true;
}
void ImagePane::paintEvent(QPaintEvent* /*event*/)
{
QPainter painter(this);
//draw the transformed version of the text-object image
painter.drawImage(0, 0, transformedImage);
//then we draw the bounding boxes
//TODO inscriptions with at least one graph are a different color (?)
//in case index numbers are visible, set font
QFont font;
font.setPixelSize(30/zoom); //TODO make font size dependent on resolution
painter.setFont(font);
QPen pen;
pen.setWidth(0);
pen.setColor(Qt::red);
painter.setPen(pen);
//make a list of bounding boxes according to current mode
BoxList currentBoxList; //this is a list of all boxes
currentBoxList.clear();
switch(mode)
{
case SURFACE:
currentBoxList.append(*surf); //list of one item, consting of the surface bounding box
break;
case INSCRIPTION:
for(int i=0; i < surf->inscriptionCount(); i++)
currentBoxList.insertBox(surf->inscrAt(i), i);
break;
case GRAPH:
for(int i=0; i < surf->ptrInscrAt(currentInscrIndex)->count(); i++)
currentBoxList.insertBox(surf->ptrInscrAt(currentInscrIndex)->at(i), i);
break;
default:
break;
}
//iterate through the list of bounding boxes
for (int i=0; i<currentBoxList.size(); i++)
{
BoundingBox currentBox = currentBoxList.at(i);
//the bounding boxes need to be rotated and scaled
QTransform boxTransform; //identity matrix
//first we need to handle the bounding box's own rotation
//by inverting the true matrix that was applied to the image
//at the time each bounding box was created
//(note: we don't need to worry about scale, as we took account of that
//when the bounding box was created)
boxTransform.rotate(currentBox.getRotation());
boxTransform = QImage::trueMatrix(boxTransform,
currentImage.width(), currentImage.height());
boxTransform = boxTransform.inverted();
//then we compound the above matrix with the current transformation of the image
QTransform imageTrueTransform = QImage::trueMatrix(transform,
currentImage.width(), currentImage.height());
painter.setWorldTransform(boxTransform * imageTrueTransform);
//now draw the box
//pen color is red; set the pen-color to green if this is the current box.
if(i==currentBoxIndex)
{
QPen pen;
pen.setWidth(0);
pen.setColor(Qt::green);
painter.setPen(pen);
}
painter.drawRect(currentBox);
//and add an (optional) index number
if(indexNumbersVisible)
{
painter.drawText(currentBox.left(), currentBox.top(), 50/zoom, 50/zoom,
Qt::AlignBottom, QString("%1").arg(i+1)); //visible index, so base = 1, not zero
}
//return pen color to red (might be green)
QPen pen;
pen.setWidth(0);
pen.setColor(Qt::red);
painter.setPen(Qt::red);
}
//if label is not resized, it will stay large on zoom out
//resulting in misleading / redundant scroll bars
resize(transformedImage.size()); // keep label same size as image
}