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openglsdl-graphics.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL$
 * $Id$
 *
 */

#ifndef BACKENDS_GRAPHICS_OPENGLSDL_H
#define BACKENDS_GRAPHICS_OPENGLSDL_H

#include "backends/platform/sdl/sdl-sys.h"
#if defined(ARRAYSIZE) && !defined(_WINDOWS_)
#undef ARRAYSIZE
#endif

#include "backends/graphics/opengl/opengl-graphics.h"

/**
 * SDL OpenGL graphics manager
 */
00039 class OpenGLSdlGraphicsManager : public OpenGLGraphicsManager {
public:
      OpenGLSdlGraphicsManager();
      virtual ~OpenGLSdlGraphicsManager();

      virtual bool hasFeature(OSystem::Feature f);
      virtual void setFeatureState(OSystem::Feature f, bool enable);

#ifdef USE_RGB_COLOR
      virtual Common::List<Graphics::PixelFormat> getSupportedFormats() const;
#endif

      virtual bool notifyEvent(const Common::Event &event);

      virtual void updateScreen();

protected:
      virtual void internUpdateScreen();

      virtual bool loadGFXMode();
      virtual void unloadGFXMode();
      virtual bool isHotkey(const Common::Event &event);

#ifdef USE_RGB_COLOR
      Common::List<Graphics::PixelFormat> _supportedFormats;

      /**
       * Update the list of supported pixel formats.
       * This method is invoked by loadGFXMode().
       */
      void detectSupportedFormats();
#endif

      /**
       * Toggles fullscreen.
       * @loop loop direction for switching fullscreen mode, if 0 toggles it.
       */
      virtual void toggleFullScreen(int loop);

      int _activeFullscreenMode;

      /**
       * Setup the fullscreen mode.
       * @return false if failed finding a mode, true otherwise.
       */
      virtual bool setupFullscreenMode();

      virtual void setInternalMousePosition(int x, int y);

      int _lastFullscreenModeWidth;
      int _lastFullscreenModeHeight;
      int _desktopWidth;
      int _desktopHeight;

      // Hardware screen
      SDL_Surface *_hwscreen;

      // If screen was resized by the user
      bool _screenResized;

      // Ignore resize events for the number of updateScreen() calls.
      // Normaly resize events are user generated when resizing the window
      // from its borders, but in some cases a resize event can be generated
      // after a fullscreen change.
      int _ignoreResizeFrames;

#ifdef USE_OSD
      /**
       * Displays a mode change message in OSD
       */
      void displayModeChangedMsg();

      /**
       * Displays a scale change message in OSD
       */
      void displayScaleChangedMsg();
#endif
};

#endif

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