void Annotation1DTextItem::draw(Spectrum1DCanvas * const canvas, QPainter & painter, bool flipped)
{
//translate mz/intensity to pixel coordinates
QPoint pos;
canvas->dataToWidget(position_.getX(), position_.getY(), pos, flipped, true);
// compute bounding box of text_item on the specified painter
bounding_box_ = painter.boundingRect(QRectF(pos, pos), flags_, text_);
painter.drawText(bounding_box_, flags_, text_);
if (selected_)
{
drawBoundingBox_(painter);
}
}
void Annotation1DCaret::draw(Spectrum1DCanvas* const canvas, QPainter& painter, bool flipped)
{
painter.save();
painter.setPen(color_);
// translate mz/intensity to pixel coordinates
QPoint position_widget, caret_position_widget;
canvas->dataToWidget(position_.getX(), position_.getY(), position_widget, flipped, true);
canvas->dataToWidget(caret_positions_[0].getX(), caret_positions_[0].getY(), caret_position_widget, flipped, true);
//std::cerr << "color" << color_.value() << " ";
// draw ticks (for now)
if (!caret_positions_.empty())
{
QPoint caret; // draw ^ to indicate theoretical position
for (PositionsType::iterator it = caret_positions_.begin(); it != caret_positions_.end(); ++it)
{
canvas->dataToWidget(it->getX(), it->getY(), caret, flipped, true);
painter.drawLine(caret.x(), caret.y(), caret.x()+4, caret.y() + 4);
painter.drawLine(caret.x(), caret.y(), caret.x()-4, caret.y() + 4);
//std::cout << "caret: " << caret.x() << "," << caret.y() << "\n";
}
}
// compute bounding box of text_item on the specified painter
bounding_box_ = QRectF(position_widget, st_.size());
//std::cout << "posP: " << position_.getX() << "," << position_.getY() << "\n";
//std::cout << "posW: " << position_widget.x() << "," << position_widget.y() << "\n";
//std::cout <<"init BB topleft: " << bounding_box_.topLeft().x() << "," << bounding_box_.topLeft().y() <<"\n";
double vertical_shift = 0;
double horizontal_shift = 0;
if (canvas->isMzToXAxis())
{
// shift pos - annotation should be over peak or, if not possible, next to it
vertical_shift = bounding_box_.height() / 2 + 5;
if (!flipped)
{
vertical_shift *= -1;
}
bounding_box_.translate(0.0, vertical_shift);
if (flipped && bounding_box_.bottom() > canvas->height())
{
bounding_box_.moveBottom(canvas->height());
bounding_box_.moveLeft(position_widget.x() + 5.0);
}
else if (!flipped && bounding_box_.top() < 0.0)
{
bounding_box_.moveTop(0.0);
bounding_box_.moveLeft(position_widget.x() + 5.0);
}
}
else
{
// annotation should be next to the peak (to its right)
horizontal_shift = bounding_box_.width() / 2 + 5;
bounding_box_.translate(horizontal_shift, 0.0);
if (bounding_box_.right() > canvas->width())
{
bounding_box_.moveRight(canvas->width());
}
}
// draw connection line between anchor point and current position if pixel coordinates differ significantly
if ((position_widget - caret_position_widget).manhattanLength() > 2)
{
// check if line crosses bounding box, if so move line startpoint to correct bounding box intersection
QLineF line(caret_position_widget, position_widget + QPoint(horizontal_shift, vertical_shift));
QLineF top(bounding_box_.x(), bounding_box_.y(), bounding_box_.x() + bounding_box_.width(), bounding_box_.y());
QLineF left(bounding_box_.x(), bounding_box_.y(), bounding_box_.x(), bounding_box_.y() + bounding_box_.height());
QLineF right(bounding_box_.x() + bounding_box_.width(), bounding_box_.y(), bounding_box_.x() + bounding_box_.width(), bounding_box_.y() + bounding_box_.height());
QLineF bottom(bounding_box_.x(), bounding_box_.y() + bounding_box_.height(), bounding_box_.x() + bounding_box_.width(), bounding_box_.y() + bounding_box_.height());
QLineF::IntersectType itype;
QPointF * ip = new QPointF();
QPointF * closest_ip = new QPointF(-10e10, -10e10);
bool found_intersection = false;
// intersection with top
itype = line.intersect(top, ip);
if (itype == QLineF::BoundedIntersection &&
QLineF(caret_position_widget, *ip).length() < QLineF(caret_position_widget, *closest_ip).length())
{
found_intersection = true;
*closest_ip = *ip;
}
// intersection with left
itype = line.intersect(left, ip);
if (itype == QLineF::BoundedIntersection &&
QLineF(caret_position_widget, *ip).length() < QLineF(caret_position_widget, *closest_ip).length())
{
found_intersection = true;
*closest_ip = *ip;
}
// intersection with right
itype = line.intersect(right, ip);
if (itype == QLineF::BoundedIntersection &&
QLineF(caret_position_widget, *ip).length() < QLineF(caret_position_widget, *closest_ip).length())
{
found_intersection = true;
*closest_ip = *ip;
}
// intersection with bottom
itype = line.intersect(bottom, ip);
if (itype == QLineF::BoundedIntersection &&
QLineF(caret_position_widget, *ip).length() < QLineF(caret_position_widget, *closest_ip).length())
{
found_intersection = true;
*closest_ip = *ip;
}
painter.save();
QPen qp(Qt::DashLine);
qp.setColor(connection_line_color_);
painter.setPen(qp);
if (!found_intersection) // no intersection with bounding box of text -> normal drawing
{
painter.drawLine(caret_position_widget, position_widget);
painter.drawLine(caret_position_widget, position_widget);
}
else
{
painter.drawLine(caret_position_widget, *closest_ip);
painter.drawLine(caret_position_widget, *closest_ip);
}
painter.restore();
delete(ip);
delete(closest_ip);
}
//painter.drawText(bounding_box_, Qt::AlignLeft, text_);
//std::cout << "Text to draw: " << st_.text() << " @ " << bounding_box_.topLeft().x() << "," << bounding_box_.topLeft().y() << "\n\n";
painter.drawStaticText(bounding_box_.topLeft(), st_);
//QRect rect = QRect(10, 30, 180, 20);
//painter.translate( rect.topLeft() );
//doc_.drawContents( &painter, bounding_box_ );
//painter.
if (selected_)
{
drawBoundingBox_(painter);
}
painter.restore();
}
