bool PlasmaPreview::loadPlasmaPreview() { if( isPlasmaPreviewShown() ) { return true; } // Add the desktop containment m_containment = m_corona.addContainment( "desktop" ); if( !m_containment ) { KMessageBox::information( this, i18nc("@info", "The plasma desktop containment could not " "be added. Ensure that you have plasma installed.") ); return false; } QGraphicsScene *oldScene = scene(); setScene( m_containment->scene() ); setSceneRect( m_containment->geometry() ); oldScene->deleteLater(); // Add the PublicTransport applet m_applet = m_containment->addApplet( "publictransport" ); if( !m_applet ) { delete m_containment; m_containment = 0; KMessageBox::information( this, i18nc("@info", "The PublicTransport applet could not be " "added. Ensure that you have it installed.") ); return false; } m_applet->setFlag( QGraphicsItem::ItemIsMovable, false ); setAlignment( Qt::AlignLeft | Qt::AlignTop ); return true; }
void DREAM3DGraphicsView::loadBaseImageFile(const QString& filename) { m_BaseImage = QImage(filename); if (m_BaseImage.isNull() == true) { return; } QSize pSize(0, 0); pSize = m_BaseImage.size(); m_OverlayImage = m_BaseImage; m_CompositedImage = m_BaseImage; QVector<QRgb > colorTable(256); for (quint32 i = 0; i < 256; ++i) { colorTable[i] = qRgb(i, i, i); } m_BaseImage.setColorTable(colorTable); if (m_BaseImage.isNull() == true) { std::cout << "Base Image was NULL for some reason. Returning" << std::endl; return; } QGraphicsScene* gScene = scene(); if (gScene == NULL) { gScene = new QGraphicsScene(this); setScene(gScene); } else { setScene(NULL); gScene->deleteLater(); gScene = new QGraphicsScene(this); setScene(gScene); delete m_ImageGraphicsItem; m_ImageGraphicsItem = NULL; } if (NULL == m_ImageGraphicsItem) { QImageReader reader(filename); QPixmap pixmap = QPixmap::fromImageReader(&reader, 0); m_ImageGraphicsItem = gScene->addPixmap(pixmap); } m_ImageGraphicsItem->setAcceptDrops(true); m_ImageGraphicsItem->setZValue(-1); QRectF rect = m_ImageGraphicsItem->boundingRect(); gScene->setSceneRect(rect); centerOn(m_ImageGraphicsItem); this->updateDisplay(); emit fireBaseImageFileLoaded(filename); }