Line data    Source code

       1             : 
       2             : /* Copyright (c) 2009-2013, 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 <eq/client/types.h>
      24             : #include <deque>
      25             : #include <map>
      26             : 
      27             : namespace eq
      28             : {
      29             : namespace server
      30             : {
      31             :     std::ostream& operator << ( std::ostream& os, const MonitorEqualizer* );
      32             : 
      33             :     /** Destination-driven scaling.*/
      34             :     class MonitorEqualizer : public Equalizer
      35             :     {
      36             :     public:
      37             :         MonitorEqualizer();
      38             :         MonitorEqualizer( const MonitorEqualizer& from );
      39             :         virtual ~MonitorEqualizer();
      40           1 :         virtual void toStream( std::ostream& os ) const { os << this; }
      41             : 
      42             :         /** @sa Equalizer::attach. */
      43             :         virtual void attach( Compound* compound );
      44             : 
      45             :         /** @sa CompoundListener::notifyUpdatePre */
      46             :         virtual void notifyUpdatePre( Compound* compound,
      47             :                                       const uint32_t frameNumber );
      48             : 
      49           0 :         virtual uint32_t getType() const { return fabric::MONITOR_EQUALIZER; }
      50             : 
      51             :     protected:
      52           0 :         void notifyChildAdded( Compound*, Compound* ) override {}
      53           0 :         void notifyChildRemove( Compound*, Compound* ) override {}
      54             : 
      55             :     private:
      56             :         /** Init the source frame viewports. */
      57             :         void _updateViewports();
      58             : 
      59             :         /** compute destination size, input frame offset and
      60             :             output frame zoom value */
      61             :         void _updateZoomAndOffset();
      62             : 
      63             :         eq::Viewports _viewports;
      64             :         Frames _outputFrames;
      65             :     };
      66             : }
      67             : }
      68             : 
      69             : #endif // EQS_MONITOREQUALIZER_H