void PreviewWidget::setScale(qreal scale)
{
m_scale = scale;
QFont font;
//take the user's configured point size, and convert it to a pixel size for preview
font.setPixelSize(pointSizeToPixelSize(font.pointSize()));
m_internalPreview->setFont(font);
//as we are a hidden widget, we need to force a repaint to update the size hint properly
updatePixmapCache();
m_internalPreview->resize(sizeHint());
m_internalPreview->adjustSize();
QPixmap preview = updatePixmapCache();
setPixmap(preview);
}
ProcessorGraphicsItem::ProcessorGraphicsItem(Processor* processor)
: ProcessorObserver()
, LabelGraphicsItemObserver()
, processor_(processor)
, processorMeta_(nullptr)
, progressItem_(nullptr)
, statusItem_(nullptr)
, linkItem_(nullptr)
, highlight_(false)
#if IVW_PROFILING
, processCount_(0)
, countLabel_(nullptr)
, maxEvalTime_(0.0)
, evalTime_(0.0)
, totEvalTime_(0.0)
#endif
{
setZValue(PROCESSORGRAPHICSITEM_DEPTH);
setFlags(ItemIsMovable | ItemIsSelectable | ItemIsFocusable | ItemSendsGeometryChanges);
setCacheMode(QGraphicsItem::DeviceCoordinateCache);
setRect(-width / 2, -height / 2, width, height);
QGraphicsDropShadowEffect* processorShadowEffect = new QGraphicsDropShadowEffect();
processorShadowEffect->setOffset(3.0);
processorShadowEffect->setBlurRadius(3.0);
setGraphicsEffect(processorShadowEffect);
nameLabel_ = new LabelGraphicsItem(this);
nameLabel_->setCrop(9, 8);
nameLabel_->setPos(-width / 2.0 + labelHeight, -height / 2.0 + 0.6 * labelHeight);
nameLabel_->setDefaultTextColor(Qt::white);
QFont nameFont("Segoe", labelHeight, QFont::Black, false);
nameFont.setPixelSize(pointSizeToPixelSize(labelHeight));
nameLabel_->setFont(nameFont);
LabelGraphicsItemObserver::addObservation(nameLabel_);
classLabel_ = new LabelGraphicsItem(this);
classLabel_->setCrop(9, 8);
classLabel_->setPos(-width / 2.0 + labelHeight, -height / 2.0 + labelHeight * 2.0);
classLabel_->setDefaultTextColor(Qt::lightGray);
QFont classFont("Segoe", labelHeight, QFont::Normal, true);
classFont.setPixelSize(pointSizeToPixelSize(labelHeight));
classLabel_->setFont(classFont);
nameLabel_->setText(QString::fromStdString(processor_->getIdentifier()));
classLabel_->setText(QString::fromStdString(processor_->getDisplayName() + " "
+ processor_->getTags().getString()));
processor_->ProcessorObservable::addObserver(this);
processorMeta_ = processor->getMetaData<ProcessorMetaData>(ProcessorMetaData::CLASS_IDENTIFIER);
processorMeta_->addObserver(this);
linkItem_ = new ProcessorLinkGraphicsItem(this);
std::vector<Inport*> inports = processor_->getInports();
std::vector<Outport*> outports = processor_->getOutports();
inportX = rect().left() + 12.5f;
inportY = rect().top() + 4.5f;
outportX = rect().left() + 12.5f;
outportY = rect().bottom() - 4.5f;
for (auto& inport : inports) {
addInport(inport);
}
for (auto& outport : outports) {
addOutport(outport);
}
statusItem_ = new ProcessorStatusGraphicsItem(this, processor_);
if (auto progressBarOwner = dynamic_cast<ProgressBarOwner*>(processor_)) {
progressItem_ =
new ProcessorProgressGraphicsItem(this, &(progressBarOwner->getProgressBar()));
progressBarOwner->getProgressBar().ActivityIndicator::addObserver(statusItem_);
}
if (auto activityInd = dynamic_cast<ActivityIndicatorOwner*>(processor_)){
activityInd->getActivityIndicator().addObserver(statusItem_);
}
#if IVW_PROFILING
countLabel_ = new LabelGraphicsItem(this);
countLabel_->setCrop(9,8);
countLabel_->setPos(rect().left() + labelHeight, height / 2 - labelHeight*2.5);
countLabel_->setDefaultTextColor(Qt::lightGray);
countLabel_->setFont(classFont);
countLabel_->setTextWidth(width - 2*labelHeight);
#endif
setVisible(processorMeta_->isVisible());
setSelected(processorMeta_->isSelected());
setPos(QPointF(processorMeta_->getPosition().x, processorMeta_->getPosition().y));
}