PSQt/src/DragCenter.cpp

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//---------------------------------------------------------------------
// File and Version Information:
//   $Id: DragCenter.cpp 9841 2015-03-26 18:35:44Z dubrovin@SLAC.STANFORD.EDU $
//
// Author: Mikhail S. Dubrovin
//---------------------------------------------------------------------

//--------------------------

#include "PSQt/DragCenter.h"

namespace PSQt {

//--------------------------

DragCenter::DragCenter(WdgImage* wimg, const QPointF* points)
  : DragBase(wimg, points, 1)
{
  //std::cout << "c-tor DragCenter()  xc:" << points[0].x() << "  yc:" << points[0].y() << '\n';
  //std::cout << "DragCenter() c-tor\n";

  //connect(this, SIGNAL(centerIsMoved(const QPointF&)), 
  //        this, SLOT(testSignalCenterIsMoved(const QPointF&)));
  connect(this, SIGNAL(centerIsChanged(const QPointF&)), 
          this, SLOT(testSignalCenterIsChanged(const QPointF&)));
}

//--------------------------
void
DragCenter::draw(const DRAGMODE& mode)
{
  //std::cout << "DragCenter::draw()\n";

  setImagePointsFromRaw();

  float rad = 20;
  float dev = 5;

  QPointF pc = m_points_img[0];

  //std::cout << "DragCenter::draw()  xc:" << pc.x() << "  yc:" << pc.y() << '\n';

  QPointF points[6] = { 
    pc,
    pc + QPointF(0,-rad),
    pc + QPointF(0,rad),
    pc + QPointF(-dev,dev),
    pc + QPointF(-rad,0),
    pc + QPointF(rad,0)
                      };

  QPainter* painter = m_wimg->getPainter();
  if (mode == MOVE) painter->setPen(m_pen_move);
  else painter->setPen(m_pen_draw);
  painter->drawPolyline(&points[0], 6);
}

//--------------------------
void
DragCenter::create()
{
  std::cout << "DragCenter::create()\n";
}

//--------------------------
bool
DragCenter::contains(const QPointF& p)
{
  QPointF d = p - m_points_img[0];

  if (d.manhattanLength() < m_rpick) return true;
  return false;
}

//--------------------------
void
DragCenter::moveToRaw(const QPointF& p)
{
  //std::cout << "DragCenter::move()\n";

  m_points_raw[0].setX(p.x());
  m_points_raw[0].setY(p.y());

  setImagePointsFromRaw();
  emit centerIsChanged(m_points_raw[0]);
}

//--------------------------
void
DragCenter::move(const QPointF& p)
{
  //std::cout << "DragCenter::move()\n";

  m_points_img[0].setX(p.x());
  m_points_img[0].setY(p.y());

  setRawPointsFromImage();
  emit centerIsMoved(m_points_raw[0]);
}

//--------------------------
void
DragCenter::moveIsCompleted(const QPointF& p)
{
  this->move(p); // last move

  stringstream ss; ss << "Set center in position x=" << fixed << std::setprecision(1) 
                      << m_points_raw[0].x() << ", y=" << m_points_raw[0].y();
  MsgInLog(_name_(), INFO, ss.str() );  

  emit centerIsChanged(m_points_raw[0]);
}


//--------------------------
void 
DragCenter::forceToEmitSignal()
{
  emit centerIsChanged(m_points_raw[0]);
}

//--------------------------
//const QPointF& 
//DragCenter::getCenter()
//{ 
//  return m_points_raw[0]; 
//}

//--------------------------
void
DragCenter::print()
{
  stringstream ss; ss << strTimeStamp() << " DragCenter::print():";
  std::cout << ss.str() << '\n';
}

//--------------------------
void
DragCenter::testSignalCenterIsMoved(const QPointF& pc)
{
  stringstream ss; ss << "::testSignalCenterIsMoved() x: " << fixed << std::setprecision(1) << pc.x() << "  y: " << pc.y();  
  MsgInLog(_name_(), DEBUG, ss.str());
}

//--------------------------
void
DragCenter::testSignalCenterIsChanged(const QPointF& pc)
{
  stringstream ss; ss << "::testSignalCenterIsChanged() x: " << fixed << std::setprecision(1) << pc.x() << "  y: " << pc.y();  
  MsgInLog(_name_(), DEBUG, ss.str());
}

//--------------------------

} // namespace PSQt

//--------------------------

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