Line data    Source code

       1             : 
       2             : /* Copyright (c) 2006-2016, Stefan Eilemann <eile@equalizergraphics.com>
       3             :  *                          Daniel Nachbaur <danielnachbaur@gmail.com>
       4             :  *
       5             :  * This library is free software; you can redistribute it and/or modify it under
       6             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       7             :  * by the Free Software Foundation.
       8             :  *
       9             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      10             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      11             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      12             :  * details.
      13             :  *
      14             :  * You should have received a copy of the GNU Lesser General Public License
      15             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      16             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      17             :  */
      18             : 
      19             : #ifndef EQSERVER_FRAMEDATA_H
      20             : #define EQSERVER_FRAMEDATA_H
      21             : 
      22             : #include <eq/fabric/frame.h>     // for Frame::Type
      23             : #include <eq/fabric/frameData.h> // member
      24             : #include <eq/server/types.h>
      25             : 
      26             : namespace eq
      27             : {
      28             : namespace server
      29             : {
      30             : /** A holder for a Frame Data and parameters. */
      31             : class FrameData : public fabric::FrameData, public co::Object
      32             : {
      33             : public:
      34             :     /** Construct a new FrameData. */
      35             :     FrameData();
      36           8 :     virtual ~FrameData() {}
      37             :     /** @name Data Access */
      38             :     //@{
      39             :     /** Set the number of the frame when this data was last used. */
      40           4 :     void setFrameNumber(const uint32_t number) { _frameNumber = number; }
      41           2 :     uint32_t getFrameNumber() const { return _frameNumber; }
      42             :     /** Set the position of the data relative to the window. */
      43           4 :     void setOffset(const Vector2i& offset) { _offset = offset; }
      44             :     /** @return the position of the data relative to the window. */
      45           4 :     const Vector2i& getOffset() const { return _offset; }
      46             :     /** Set the output frame zoom factor. */
      47           4 :     void setZoom(const Zoom& zoom_) { _zoom = zoom_; }
      48           4 :     const Zoom& getZoom() const { return _zoom; }
      49             :     //@}
      50             : 
      51             : protected:
      52           6 :     virtual ChangeType getChangeType() const { return INSTANCE; }
      53             :     virtual void getInstanceData(co::DataOStream& os);
      54             :     virtual void applyInstanceData(co::DataIStream& is);
      55             : 
      56             : private:
      57             :     /** The zoom factor of the output frame after readback. */
      58             :     Zoom _zoom;
      59             : 
      60             :     /** Position wrt destination view. */
      61             :     Vector2i _offset;
      62             : 
      63             :     /** The number of the config frame when this data was last used. */
      64             :     uint32_t _frameNumber;
      65             : };
      66             : }
      67             : }
      68             : #endif // EQSERVER_FRAMEDATA_H