imageviewocv/viewer.h

/*
 * Orca-Robotics Project: Components for robotics 
 *               http://orca-robotics.sf.net/
 * Copyright (c) 2004-2009 Alex Brooks, Alexei Makarenko, Tobias Kaupp, Ben Upcroft
 *
 * This copy of Orca is licensed to you under the terms described in
 * the LICENSE file included in this distribution.
 *
 */

#ifndef IMAGEVIEW_OCV_VIEWER_H
#define IMAGEVIEW_OCV_VIEWER_H

#include <orcaice/context.h>
#include <orca/image.h>

// opencv headers
#include <highgui.h>
#include <cv.h>

#include <string>

namespace imageviewocv {
class Viewer
{
public:
    Viewer( const int width,
            const int height,
            const std::string& format,
            const orcaice::Context& context );
    ~Viewer();
    
    void display( orca::ImageDataPtr& image );

private:
    IplImage* cvDisplayImage_;
    // image structure that stores the original image format
    IplImage* cvSrcImage_;
    
    const char* name_;
    
    void displayFrameRate();
    
    void resize( orca::ImageDataPtr& image );
    
    orca::Time oldFrameTime_;
    orca::Time currentFrameTime_;
    double diff_;
    double fps_;
    CvFont font_;

    bool isPadded_;
        
    int32_t orcaByteWidth_;
    
    orcaice::Context context_;
};

} //namespace

#endif