ImageFrameSource.cpp

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// -*- mode: c++; indent-tabs-mode: nil; c-basic-offset: 4; coding: iso-8859-1; -*-

/*
ACT-CV - Machine Vision for Cognitive Modeling
Copyright (c) 2010 Marc Halbruegge

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 St, Fifth Floor, Boston, MA  02110-1301  USA
*/


#include "ImageFrameSource.h"

#include <highgui.h>

#include <iostream>

using namespace std;

ImageFrameSource::ImageFrameSource(const char *fileName)
    : theImage_(nullptr), n_(0)
{
    theImage_ = cvLoadImage(fileName, CV_LOAD_IMAGE_UNCHANGED);
    if (theImage_ == nullptr)
    {
        cerr << "image file '" << fileName << "' not found" << endl;
    }
}

ImageFrameSource::~ImageFrameSource()
{
    if (theImage_!=nullptr) cvReleaseImage(&theImage_);
}

ImageFrameSource* ImageFrameSource::ImageSourceFactory(const char *fileName)
{
    return new ImageFrameSource(fileName);
}

IplImage* ImageFrameSource::GetNextFrame()
{
    ++n_;
    return theImage_;
}


int ImageFrameSource::GetFrameNr() const
{
    return n_;
}