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ImageSource.h

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/*************************************************************************
 *
 * Source code for Real Time Image Library (libRTImage) 
 *
 * Leeds Vision Group give permission for this code to be copied, modified 
 * and distributed within the University of Leeds subject to the following
 * conditions:-
 *
 * - The code is not to be used for commercial gain.
 * - The code and use thereof will be attributed to the authors where
 *   appropriate (including demonstrations which rely on it's use).
 * - All modified, distributions of the source files will retain this header.
 *
 ****************************************************************************/
 
#ifndef IMAGE_SOURCE_H
#define IMAGE_SOURCE_H

#include "Image.h"

class ImageSource
{ 
protected:
/* Protected Data Definitions */
        
        Image::Type     type;           

public:
/* Public Methods */
        
        virtual ~ImageSource() { }
        
        void set_mode(Image::Type t) { type = t; }

        /* Get source image size */
        virtual void get_size(unsigned int&, unsigned int&) { }
        
        /* Image extraction operators */
        
        virtual ImageSource& operator >> (ImageRGB&)  = 0;
        
        virtual ImageSource& operator >> (ImageGrey&) = 0;
        
        virtual ImageSource& operator >> (Image&)     = 0;

protected:
/* Protected Methods */
        
        ImageSource() { }
};


#endif  // IMAGE_SOURCE_H

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