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ImageSubWindow.h

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/**************************************************************************
 *
 * Source code for Real Time Image Display Library (libRTImageDisplay)
 *
 * 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 author where
 *   appropriate (inluding demonstrations which rely on it's use).
 * - All modified, distributions of the source files will retain this header.
 *
 ****************************************************************************/


#ifndef IMAGE_SUB_WINDOW_H
#define IMAGE_SUB_WINDOW_H

#include <GL/gl.h>
#include <GL/glu.h>
#include <glow.h>

#include "Image.h"


GLOW_NAMESPACE_USING

#include <ImageWindow.h>

class ImageSubWindow : public GlowSubwindow
{
public:
        
        void            (*mouse_press)(Glow::MouseButton button,int x,
                                       int y,
                                       Glow::Modifiers modifiers,
                                       MouseActionType action);

        void            (*graphics_callback)(GlowComponent *parent);

protected:
/* Protected Data Definitions */
        
        // Dimensions of the image
        unsigned int    width;          
        unsigned int    height;         
        unsigned int    size;           
        float           scalefactor;    
        bool            size_changed;

        Image::Type     type;           
        GLint           *pixels;        
        GLubyte         *data;          
        GLubyte         *data_bk;       
        
        GlowComponent* parent_obj ;     
public:
/* Public Methods */
        
        ImageSubWindow(GlowComponent* parent,
                       int x, int y,
                       int width, int height);
        ~ImageSubWindow(); 

        void set_display_type(Image::Type t){ type = t; };
        void set_zoom(float zoom) ;
        void operator << (ImageRGB&);
        void operator << (ImageGrey&);
        void operator << (Image&);

protected:
/* Protected Methods */
        virtual void    OnEndPaint();
        virtual void    OnMouseDown(Glow::MouseButton button,
                        int x, int y,
                        Glow::Modifiers modifiers);
        virtual void    OnMouseUp(Glow::MouseButton button,
                        int x, int y,
                        Glow::Modifiers modifiers);

        void            repackRGB();
        void            repackGrey();
};


#endif  // IMAGE_WINDOW_H

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