Capture.h

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/*
 * This file is part of ALVAR, A Library for Virtual and Augmented Reality.
 *
 * Copyright 2007-2012 VTT Technical Research Centre of Finland
 *
 * Contact: VTT Augmented Reality Team <alvar.info@vtt.fi>
 *          <http://www.vtt.fi/multimedia/alvar.html>
 *
 * ALVAR is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with ALVAR; if not, see
 * <http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html>.
 */

#ifndef CAPTURE_H
#define CAPTURE_H

#include "Alvar.h"
#include "CaptureDevice.h"
#include "Util.h"

namespace alvar {

class ALVAR_EXPORT Capture
{
public:
    Capture(const CaptureDevice captureDevice)
        : mCaptureDevice(captureDevice)
        , mXResolution(0)
        , mYResolution(0)
        , mIsCapturing(false)
    {
    }

    virtual ~Capture() {}

    CaptureDevice captureDevice() {return mCaptureDevice;}

    unsigned long xResolution() {return mXResolution;}

    unsigned long yResolution() {return mYResolution;}

    bool isCapturing() {return mIsCapturing;}

    virtual void setResolution(const unsigned long xResolution, const unsigned long yResolution)
    {
    }

    virtual bool start() = 0;

    virtual void stop() = 0;

    virtual IplImage *captureImage() = 0;

        virtual bool saveSettings(std::string filename) {
        if (!isCapturing()) {
            return false;
        }

                Serialization serialization(filename);
                try {
            serialization << (*this);
        }
                catch (...) {
            return false;
        }
                return true;
        }

    virtual bool loadSettings(std::string filename) {
        if (!isCapturing()) {
            return false;
        }

                Serialization serialization(filename);
                try {
            serialization >> (*this);
        }
                catch (...) {
            return false;
        }
                return true;
        }

    virtual bool showSettingsDialog() = 0;

        virtual std::string SerializeId() = 0;

        virtual bool Serialize(Serialization *serialization) = 0;

protected:
    CaptureDevice mCaptureDevice;
    unsigned long mXResolution;
    unsigned long mYResolution;
    bool mIsCapturing;
};

} // namespace alvar

#endif