finddrawable.h

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//--- < FINDDRAWABLE.H > --------| ViewGraph - A Flexible Graph view Framework |
//
// This class provides the algorithm to find the
// objects that fit the viewport. This class assumes 
// all objects passed to it are visible at the
// current magnification level. 
// 
// Below is the default finder class, feel free to
// roll your own for things like caching etc.
//
// $Author: botik32 $
// $Revision: 1.1.1.1 $
// $Date: 2004/03/26 10:50:21 $
//-----------------------------------------------------------------------------/

#ifndef FINDDRAWABLE_H
#define FINDDRAWABLE_H

// The simplest, dumb finder. This class
// takes every node in the passed list and tries it 
// against the canvas.
template<class VC, class NL> class DefaultFindDrawable
{
private:
        // View provides us with the rectfit() function we need
        // in order to decide on drawability
        VC *view;
public:
        // the view has all the necessary parameters such as viewport 
        // magnification and offset
        NL* find_drawable( NL *candidates );
        DefaultFindDrawable( VC * );
};

#endif

/// $Log: finddrawable.h,v $
/// Revision 1.1.1.1  2004/03/26 10:50:21  botik32
/// Initial release
///
/// Revision 1.1.1.1  2004/03/26 08:53:33  botik
/// initial import
///
///
/// Revision 1.1  2003/10/15 13:00:42  botik
/// Added finddrawable class. Modified objectdisplay.h to
/// fit the changes.
///

---