void QGraphicsVolumeView::updatePixmaps() {
for (int i = 0; i < _volumeDisplays.size(); i++) {
const int w = _volumeDisplays[i].Width();
const int h = _volumeDisplays[i].Height();
const int s = _volumeDisplays[i].Count();
for (int j = 0; j < s; j++) {
AIRVolumeDisplay& display = _volumeDisplays[i];
QGraphicsRectItem* item = display.GetSliceData<QGraphicsRectItem>(j);
if (item != NULL) {
QList<QGraphicsItem*> childItems = item->childItems();
if (childItems.size() > 0) {
QGraphicsPixmapItem* pixmapItem = (QGraphicsPixmapItem*) childItems[0];
QTransform pixmapTransform;
if (_xFlipped && !_yFlipped) {
pixmapTransform.setMatrix(-1, 0, 0, 0, 1, 0, w, 0, 1);
pixmapItem->setTransform(pixmapTransform);
} else if (!_xFlipped && _yFlipped) {
pixmapTransform.setMatrix(1, 0, 0, 0, -1, 0, 0, h, 1);
pixmapItem->setTransform(pixmapTransform);
} else if (_xFlipped && _yFlipped) {
pixmapTransform.setMatrix(-1, 0, 0, 0, -1, 0, w, h, 1);
pixmapItem->setTransform(pixmapTransform);
} else {
pixmapItem->resetTransform();
}
}
}
}
}
}
void QGraphicsVolumeView::updateDisplay(int volumeId) {
if (this->isHidden()) {
return;
}
if (_airImages == NULL) {
return;
}
_currentSliceMarker = NULL;
QFont sliceIndexFont("Courier", 20);
int showingVolumeCount = _showAll ? _airImages->Count() : 1;
for (int id = 0; id < showingVolumeCount; id++) {
AIRImageDisplay src = _airImages->at(id);
if (_volumeDisplays.size() <= id) {
_volumeDisplays.push_back(AIRVolumeDisplay());
}
if (!_volumeDisplays[id].Has(src)) {
_volumeDisplays[id].SetDisplay(src);
}
if (_volumeDisplays[id].UpdateSlice(_directionCache, _useNavigationImage)) {
const int w = _volumeDisplays[id].Width();
const int h = _volumeDisplays[id].Height();
const int s = _volumeDisplays[id].Count();
for (int i = 0; i < s; i++) {
int realSliceIdx = i;
int colPos = i * w;
int rowPos = id * h;
QGraphicsRectItem* item = _volumeDisplays[id].GetSliceData<QGraphicsRectItem>(i);
QGraphicsPixmapItem* pixmapItem = NULL;
uchar* colorPointer = _volumeDisplays[id].GetColorImageBuffer(i);
QPixmap pixmap = QPixmap::fromImage(QImage(colorPointer, w, h, QImage::Format_ARGB32));
if (item == NULL) {
item = new QGraphicsRectItem(QRect(0, 0, w, h));
item->setPen(Qt::NoPen);
item->setBrush(Qt::NoBrush);
item->setPos(colPos, rowPos);
item->setData(SliceIndex, QVariant(i));
item->setData(AnnotationType, QVariant(SliceImage));
item->setData(RealSliceIndex, QVariant(realSliceIdx));
pixmapItem = new QGraphicsPixmapItem(QPixmap::fromImage(QImage(_volumeDisplays[id].GetColorImageBuffer(i), w, h, QImage::Format_ARGB32)), item);
pixmapItem->setZValue(1);
QGraphicsTextItem* text = new QGraphicsTextItem(QString("#%1.%2").arg(id).arg(realSliceIdx), item);
text->setFont(sliceIndexFont);
text->setPos(3, 3);
text->setZValue(2);
text->setDefaultTextColor(Qt::yellow);
_volumeDisplays[id].SetSliceData(i, item);
scene()->addItem(item);
} else {
QGraphicsPixmapItem* pixmapItem = (QGraphicsPixmapItem*) item->childItems()[0];
pixmapItem->setPixmap(pixmap);
}
if (_workingSet.contains(i)) {
addWorkingSetItem(item);
}
}
}
}
updatePixmaps();
}
