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system.cpp

/* 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: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-11-1/common/system.cpp $
 * $Id: system.cpp 30944 2008-02-23 22:50:18Z sev $
 *
 */

#include <time.h>

#include "backends/intern.h"
#include "backends/events/default/default-events.h"

#include "common/config-manager.h"
#include "common/system.h"
#include "common/timer.h"
#include "common/util.h"

#include "graphics/colormasks.h"
#include "gui/message.h"
#include "sound/mixer.h"

OSystem *g_system = 0;

OSystem::OSystem() {
}

OSystem::~OSystem() {
}

00048 bool OSystem::setGraphicsMode(const char *name) {
      if (!name)
            return false;

      // Special case for the 'default' filter
      if (!scumm_stricmp(name, "normal") || !scumm_stricmp(name, "default")) {
            return setGraphicsMode(getDefaultGraphicsMode());
      }

      const GraphicsMode *gm = getSupportedGraphicsModes();

      while (gm->name) {
            if (!scumm_stricmp(gm->name, name)) {
                  return setGraphicsMode(gm->id);
            }
            gm++;
      }

      return false;
}

00069 OverlayColor OSystem::RGBToColor(uint8 r, uint8 g, uint8 b) {
      return ::RGBToColor<ColorMasks<565> >(r, g, b);
}

00073 void OSystem::colorToRGB(OverlayColor color, uint8 &r, uint8 &g, uint8 &b) {
      ::colorToRGB<ColorMasks<565> >(color, r, g, b);
}

00077 OverlayColor OSystem::ARGBToColor(uint8 a, uint8 r, uint8 g, uint8 b) {
      return RGBToColor(r, g, b);
}

00081 void OSystem::colorToARGB(OverlayColor color, uint8 &a, uint8 &r, uint8 &g, uint8 &b) {
      colorToRGB(color, r, g, b);
      a = 255;
}

00086 void OSystem::displayMessageOnOSD(const char *msg) {
      // Display the message for 1.5 seconds
      GUI::TimedMessageDialog dialog(msg, 1500);
      dialog.runModal();
}


00093 bool OSystem::openCD(int drive) {
      return false;
}

00097 bool OSystem::pollCD() {
      return false;
}

00101 void OSystem::playCD(int track, int num_loops, int start_frame, int duration) {
}

00104 void OSystem::stopCD() {
}

00107 void OSystem::updateCD() {
}

static Common::EventManager *s_eventManager = 0;

00112 Common::EventManager *OSystem::getEventManager() {
      // FIXME/TODO: Eventually this method should be turned into an abstract one,
      // to force backends to implement this conciously (even if they
      // end up returning the default event manager anyway).
      if (!s_eventManager)
            s_eventManager = new DefaultEventManager(this);
      return s_eventManager;
}

00121 void OSystem::clearScreen() {
      Graphics::Surface *screen = lockScreen();
      memset(screen->pixels, 0, screen->h * screen->pitch);
      unlockScreen();
}

00127 void OSystem::getTimeAndDate(struct tm &t) const {
      time_t curTime = time(0);
      t = *localtime(&curTime);
}

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