File indexing completed on 2024-04-21 15:38:41

 /***************************************************************************
  *   Copyright (C) 2005-2017 by Linuxstopmotion contributors;              *
  *   see the AUTHORS file for details.                                     *
  *                                                                         *
  *   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.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 #include "camerahandler.h"
 
 #include <QTimer>
 #include <QPushButton>
 #include <QPixmap>
 
 #include "modelhandler.h"
 #include "workspacefile.h"
 #include "frontends/frontend.h"
 #include "graphics/icons/cameraoff.xpm"
 #include "graphics/icons/cameraon.xpm"
 #include "src/domain/domainfacade.h"
 #include "src/foundation/logger.h"
 #include "src/foundation/preferencestool.h"
 #include "src/foundation/uiexception.h"
 #include "src/presentation/frontends/qtfrontend/frameview.h"
 
 
 CameraHandler::CameraHandler ( QObject *parent, QStatusBar *sb, 
         ModelHandler* modelHandler, const char *name) 
     : QObject(parent), statusBar(sb), cameraButton(0), timer(0),
       capturedFile(WorkspaceFile::capturedImage), isCameraOn(false),
       modelHandler(modelHandler), frameView(0) {
     timer = new QTimer(this);
     timer->setSingleShot(true);
     QObject::connect( timer, SIGNAL(timeout()), this, SLOT(storeFrame()) );
     setObjectName(name);
 }
 
 
 CameraHandler::~CameraHandler( ) {
 }
 
 
 void CameraHandler::setFrameView( FrameView * frameView )
 {
     this->frameView = frameView;
 }
 
 
 void CameraHandler::setCameraButton( QPushButton *cameraButton )
 {
     this->cameraButton = cameraButton;
 }
 
 
 bool CameraHandler::setViewMode(int mode)
 {
     return frameView->setViewMode((FrameView::ImageMode) mode);
 }
 
 
 void CameraHandler::cameraOn()
 {
     DomainFacade::getFacade()->getFrontend()->showProgress(
             Frontend::connectingCamera);
     cameraButton->setIcon( QPixmap(cameraoff) );
     isCameraOn = frameView->on();
     if (!isCameraOn) {
         cameraOff();
     } else {
         emit cameraStateChanged(true);
     }
     DomainFacade::getFacade()->getFrontend()->hideProgress();
 }
 
 
 void CameraHandler::cameraOff()
 {
     cameraButton->setIcon( QPixmap(cameraon) );
     frameView->off();
     isCameraOn = false;
     emit cameraStateChanged(false);
 }
 
 
 void CameraHandler::toggleCamera()
 {
     if(isCameraOn == false) {
         Logger::get().logDebug("Playing video from webcam");
         cameraOn();
     }
     else {
         cameraOff();
     }
 }
 
 
 void CameraHandler::captureFrame()
 {
     Logger::get().logDebug("Capturing image from webcam");
     timer->start(60);
 }
 
 
 void CameraHandler::storeFrame()
 {
     QImage i;
     const char* path = capturedFile.path();
     i.load(path);
     if ( !i.isNull() ) {
         modelHandler->addFrame(path);
         emit capturedFrame();
     } else {
         timer->start(60);
     }
 }
 
 
 void CameraHandler::switchToVideoView()
 {
     cameraButton->setEnabled(true);
     emit cameraStateChanged(true);
     DomainFacade::getFacade()->getFrontend()->hideProgress();
 }
 
 
 void CameraHandler::setMixCount(int mixCount)
 {
     frameView->setMixCount(mixCount);
     
     PreferencesTool* preferences = PreferencesTool::get();
     switch( frameView->getViewMode() ) {
         case 0: 
         {
             preferences->setPreference("mixcount", mixCount);
             break;
         }
         case 2:
         {
             preferences->setPreference("playbackcount", mixCount);
             break;
         }
     }
     try {
         preferences->flush();
     } catch (UiException& ex) {
         DomainFacade::getFacade()->getFrontend()->handleException(ex);
     }
 }
 
 
 bool CameraHandler::isCameraRunning()
 {
     return isCameraOn;
 }
 
 
 void CameraHandler::setPlaybackSpeed(int playBackSpeed)
 {
     frameView->setPlaybackSpeed(playBackSpeed);
 }