LCOV - code coverage report
Current view: top level - eq/server - canvas.h (source / functions) Hit Total Coverage
Test: Equalizer Lines: 2 2 100.0 %
Date: 2017-12-16 05:07:20 Functions: 2 2 100.0 %

          Line data    Source code
       1             : 
       2             : /* Copyright (c) 2009-2015, Stefan Eilemann <eile@equalizergraphics.com>
       3             :  *                          Cedric Stalder <cedric.stalder@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_CANVAS_H
      20             : #define EQSERVER_CANVAS_H
      21             : 
      22             : #include "types.h"
      23             : #include "visitorResult.h" // enum
      24             : #include <eq/server/api.h>
      25             : 
      26             : #include <eq/fabric/canvas.h> // base class
      27             : 
      28             : #include <lunchbox/api.h>
      29             : #include <string>
      30             : 
      31             : namespace eq
      32             : {
      33             : namespace server
      34             : {
      35             : /** The canvas. @sa eq::Canvas */
      36             : class Canvas : public fabric::Canvas<Config, Canvas, Segment, Layout>
      37             : {
      38             : public:
      39             :     /** Construct a new Canvas. */
      40             :     EQSERVER_API explicit Canvas(Config* parent);
      41             : 
      42             :     /** Destruct this canvas. */
      43             :     virtual ~Canvas();
      44             : 
      45             :     /** @name Data Access */
      46             :     //@{
      47             :     /** @return the Server of this canvas. @version 1.0 */
      48             :     ServerPtr getServer();
      49             : 
      50             :     /** @return the segment of the given path. */
      51             :     Segment* getSegment(const SegmentPath& path);
      52             : 
      53             :     /** @return true if this canvas is initialized. */
      54         420 :     bool isStopped() const { return _state == STATE_STOPPED; }
      55             :     /** @return true if this canvas is initialized. */
      56             :     bool isRunning() const { return _state == STATE_RUNNING; }
      57             :     /** @return true if this canvas should be deleted. */
      58           8 :     bool needsDelete() const { return _state == STATE_DELETE; }
      59             :     //@}
      60             : 
      61             :     /**
      62             :      * @name Operations
      63             :      */
      64             :     //@{
      65             :     void init();
      66             :     void exit();
      67             : 
      68             :     /** Schedule deletion of this canvas. */
      69             :     void postDelete();
      70             :     //@}
      71             : 
      72             : protected:
      73             :     virtual void activateLayout(const uint32_t index);
      74             : 
      75             : private:
      76             :     enum State
      77             :     {
      78             :         STATE_STOPPED = 0, // next: RUNNING
      79             :         STATE_RUNNING,     // next: STOPPED or DELETE
      80             :         STATE_DELETE,      // next: destructor
      81             :     } _state;
      82             : 
      83             :     struct Private;
      84             :     Private* _private; // placeholder for binary-compatible changes
      85             : 
      86             :     /** Run-time layout switch */
      87             :     void _switchLayout(const uint32_t oldIndex, const uint32_t newIndex);
      88             : };
      89             : }
      90             : }
      91             : #endif // EQSERVER_CANVAS_H

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