// refresh ui elements
//
void BSplineVisDialog::renderScene(QGraphicsScene& scene, bool isPrinter) {
scene.clear();
if (ui.showCheckerboard->isChecked()) {
RGBAImageType::Pointer image = ImageContainer::CreateBitmap(m_SrcImage, ui.imageOpacity->value());
QPixmap qPixmap = ImageContainer::CreatePixmap(image);
scene.addPixmap(qPixmap)->setZValue(-10);
}
if (ui.showWarpedCheckerboard->isChecked()) {
RGBAImageType::Pointer image = ImageContainer::CreateBitmap(m_DstImage, ui.imageOpacity->value());
QPixmap qPixmap = ImageContainer::CreatePixmap(image);
scene.addPixmap(qPixmap)->setZValue(-10);
}
if (ui.showWarpedSlice->isChecked()) {
RGBAImageType::Pointer image = ImageContainer::CreateBitmap(m_WarpedSlice, ui.imageOpacity->value());
QPixmap qPixmap = ImageContainer::CreatePixmap(image);
scene.addPixmap(qPixmap)->setZValue(-10);
}
if (m_RefImage.IsNotNull()) {
const int gridRes = ui.gridResolution->value();
QPen blackPen = QPen(QColor::fromRgbF(0,0,0,0.5));
blackPen.setWidthF(.1);
QPen linePen(QColor::fromRgbF(.5,.5,.5,ui.imageOpacity->value() / 255.0));
if (ui.showCoordinateGrid->isChecked()) {
QGraphicsGridItem* originalGrid = new QGraphicsGridItem();
if (isPrinter) {
// can printer have alpha value?
originalGrid->SetPen(blackPen);
} else {
originalGrid->SetPen(linePen);
}
originalGrid->SetResolution(gridRes);
originalGrid->SetGrid(gX, gY);
scene.addItem(originalGrid);
ui.bspView->fitInView(originalGrid, Qt::KeepAspectRatio);
}
if (ui.showWarpedCoordinateGrid->isChecked()) {
QGraphicsGridItem* warpedGrid = new QGraphicsGridItem();
if (isPrinter) {
// can printer have alpha value?
if (!ui.showNoImage->isChecked()) {
blackPen.setColor(QColor::fromRgbF(1, 1, 0));
blackPen.setWidthF(0.2);
}
warpedGrid->SetPen(blackPen);
} else {
warpedGrid->SetPen(linePen);
}
warpedGrid->SetResolution(gridRes);
warpedGrid->SetGrid(tX, tY);
scene.addItem(warpedGrid);
ui.bspView->fitInView(warpedGrid, Qt::KeepAspectRatio);
}
}
if (ui.showDetJacobian->isChecked() && m_DetJacobian.IsNotNull()) {
RGBAImageType::Pointer image = ImageContainer::CreateBitmap(m_DetJacobian);
QPixmap qDetPixmap = ImageContainer::CreatePixmap(image);
scene.addPixmap(qDetPixmap);
}
if (m_Field.IsNotNull() && ui.showDisplacementField->isChecked()) {
FieldIteratorType iter(m_Field, m_Field->GetBufferedRegion());
for (iter.GoToBegin(); !iter.IsAtEnd(); ++iter) {
DisplacementFieldType::IndexType idx = iter.GetIndex();
DisplacementFieldType::PointType point;
m_Field->TransformIndexToPhysicalPoint(idx, point);
VectorType v = iter.Get();
if (v.GetNorm() < 1) {
continue;
}
DisplacementFieldType::PointType point2;
point2[0] = point[0] + v[0];
point2[1] = point[1] + v[1];
scene.addLine(point[0], point[1], point2[0], point2[1], QPen(Qt::yellow));
}
}
if (ui.showWarpedLandmarks->isChecked()) {
double sz = ui.landmarkSize->value();
for (int i = 0; i < m_WarpedLandmarks.rows(); i++) {
double x = m_WarpedLandmarks[i][0];
double y = m_WarpedLandmarks[i][1];
QGraphicsItem* p = scene.addRect(x - sz, y - sz, sz*2, sz*2, QPen(Qt::yellow), QBrush(Qt::yellow, Qt::SolidPattern));
}
}
// drawing order is important for correct pick up
// only show when showLandmarks is checked
//
if (ui.showLandmarks->isChecked()) {
double sz = ui.landmarkSize->value();
for (int i = 0; i < m_VectorList.size(); i++) {
QRectF& xy = m_VectorList[i];
QPen linePen(Qt::yellow);
QPen sourcePen(Qt::red);
QBrush sourceBrush(Qt::red, Qt::SolidPattern);
QPen targetPen(Qt::blue);
QBrush targetBrush(Qt::blue, Qt::SolidPattern);
linePen.setWidthF(sz * .5);
if (isPrinter) {
linePen.setWidthF(sz);
linePen.setColor(QColor::fromRgbF(0.3, 0.6, 0.3));
}
scene.addLine(xy.left(), xy.top(), xy.right(), xy.bottom(), linePen);
QGraphicsItem* dx = scene.addEllipse(xy.left() - sz, xy.top() - sz, sz*2, sz*2, sourcePen, sourceBrush);
QGraphicsItem* dy = scene.addEllipse(xy.right() - sz, xy.bottom() - sz, sz*2, sz*2, targetPen, targetBrush);
dx->setData(1, i);
dy->setData(2, i);
}
}
}
