QtBaseViewerSnapshot.cc

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//=============================================================================
//
//  CLASS QtBaseViewer - IMPLEMENTATION
//
//=============================================================================


//== INCLUDES =================================================================

#include "QtBaseViewer.hh"
#include "QtGLGraphicsScene.hh"
#include "QtGLGraphicsView.hh"

#include <QApplication>
#include <QStatusBar>
#include <QFileInfo>
#include <QFileDialog>

//== NAMESPACES ===============================================================

namespace ACG {
namespace QtWidgets {


//== IMPLEMENTATION ==========================================================

void QtBaseViewer::snapshotBaseFileName(const QString& _fname)
{
  snapshotName_=_fname;
  snapshotCounter_=0;
}


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


void QtBaseViewer::snapshot()
{
   makeCurrent();

   glView_->raise();
   qApp->processEvents();
   makeCurrent();
   paintGL();
   glFinish();
   copyToImage(*snapshot_, 0, 0, glWidth(), glHeight(), GL_BACK);

   QFileInfo fi(snapshotName_);

   QString fname = fi.path() + QDir::separator() +fi.baseName() + "." + QString::number(snapshotCounter_).rightJustified(7, '0') + ".";

   QString format="png";

   if (fi.completeSuffix() == "ppm")
     format="ppmraw";

   fname += format;

   bool rval=snapshot_->save(fname,format.toUpper().toLatin1());


   assert(statusbar_!=0);
   if (rval)
   {
     statusbar_->showMessage(QString("snapshot: ")+fname,5000);
     if ( action_["SnapshotSavesView"]->isChecked() )
     {
       QString view; encodeView(view);
       QFile f(fname+".view"); f.open(QIODevice::WriteOnly|QIODevice::Truncate);
       QTextStream sf(&f); sf << view; f.close();
     }
   }
   else
   {
     statusbar_->showMessage(QString("could not save snapshot to ")+fname);
   }

   ++snapshotCounter_;
}

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


void QtBaseViewer::actionSnapshot()
{
  snapshot();
}


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


void QtBaseViewer::actionSnapshotName()
{
  QString fname=snapshotName_;

  fname.replace('%', '$');
  fname = QFileDialog::getSaveFileName ( 0, "Save snapshot name" );
  if (!fname.isEmpty())
  {
    fname.replace('$', '%');

    snapshotBaseFileName(fname);
    assert(statusbar_!=0);
    QString msg="next snapshot: ";
    statusbar_->showMessage(msg);
  }
}


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


void QtBaseViewer::actionSnapshotSavesView()
{
}

//=============================================================================
} // namespace QtWidgets
} // namespace ACG
//=============================================================================