Line data    Source code

       1             : 
       2             : /* Copyright (c) 2009-2016, Stefan Eilemann <eile@equalizergraphics.com>
       3             :  *
       4             :  * This library is free software; you can redistribute it and/or modify it under
       5             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       6             :  * by the Free Software Foundation.
       7             :  *
       8             :  * This library is distributed in the hope that it will be useful, but WITHOUT
       9             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      10             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      11             :  * details.
      12             :  *
      13             :  * You should have received a copy of the GNU Lesser General Public License
      14             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      15             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      16             :  */
      17             : 
      18             : #ifndef EQS_MONITOREQUALIZER_H
      19             : #define EQS_MONITOREQUALIZER_H
      20             : 
      21             : #include "equalizer.h"          // base class
      22             : 
      23             : #include <deque>
      24             : #include <map>
      25             : 
      26             : namespace eq
      27             : {
      28             : namespace server
      29             : {
      30             : std::ostream& operator << ( std::ostream& os, const MonitorEqualizer* );
      31             : 
      32             : /** Destination-driven scaling.*/
      33             : class MonitorEqualizer : public Equalizer
      34             : {
      35             : public:
      36             :     MonitorEqualizer();
      37             :     MonitorEqualizer( const MonitorEqualizer& from );
      38             :     virtual ~MonitorEqualizer();
      39           2 :     void toStream( std::ostream& os ) const final { os << this; }
      40             : 
      41             :     /** @sa Equalizer::attach. */
      42             :     void attach( Compound* compound ) final;
      43             : 
      44             :     /** @sa CompoundListener::notifyUpdatePre */
      45             :     void notifyUpdatePre( Compound* compound,
      46             :                           const uint32_t frameNumber ) final;
      47             : 
      48           0 :     uint32_t getType() const final { return fabric::MONITOR_EQUALIZER; }
      49             : 
      50             : protected:
      51           0 :     void notifyChildAdded( Compound*, Compound* ) override {}
      52           0 :     void notifyChildRemove( Compound*, Compound* ) override {}
      53             : 
      54             : private:
      55             :     /** Init the source frame viewports. */
      56             :     void _updateViewports();
      57             : 
      58             :     /** compute destination size, input frame offset and
      59             :         output frame zoom value */
      60             :     void _updateZoomAndOffset();
      61             : 
      62             :     Viewports _viewports;
      63             :     Frames _outputFrames;
      64             : };
      65             : }
      66             : }
      67             : 
      68             : #endif // EQS_MONITOREQUALIZER_H