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objectdisplay.h

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00001 //--- < OBJECTDISPLAY.H > -------| ViewGraph - A Flexible Graph view Framework |
00002 //
00003 // Displays a bunch of objects on the screen, 
00004 // handles zooming and scrolling requests.
00005 //
00006 // Passes down zooming and scrolling commands
00007 // to ZoomableSurfaceView/ZoomableObjectView.
00008 
00009 // Uses a FindDrawable class to find the objects
00010 // that get into the view and commands them to 
00011 // draw themselves.
00012 //
00013 // Uses a VisibilityPolicy class to decide which
00014 // objects can be drawn at the current magnification
00015 // level and how magnified each of them should 
00016 // look at a certain magnification level. This 
00017 // policy can and should be overriden by the user 
00018 // of this library.
00019 //
00020 // $Author: botik32 $
00021 // $Revision: 1.1.1.1 $
00022 // $Date: 2004/03/26 10:50:23 $
00023 //-----------------------------------------------------------------------------/
00024 
00025 #ifndef OBJECTDISPLAY_H
00026 #define OBJECTDISPLAY_H
00027 
00028 #include <cZUI/surfaceview.h>
00029 #include <cZUI/finddrawable.h>
00030 
00031 template <class VC, class VP, class NL, class GN, template<VC,NL> class FD> 
00032 class _ObjectDisplay
00033 {
00034 private:
00035         VC *view;
00036         VP *vpolicy;
00037         NL *nodelist;
00038         FD *finddrawable;
00039         // VC decides the view class (SurfaceView or ObjectView)
00040         // used to handle zooming and scrolling.
00041         // GN stands for GraphNode, nodelist is supposed to return
00042         // GN* for first(), next(), prev() messages.
00043         // GN must have get_boundrect()
00044         
00045 }
00046 
00047 #endif
00048 
00049 /// $Log: objectdisplay.h,v $
00050 /// Revision 1.1.1.1  2004/03/26 10:50:23  botik32
00051 /// Initial release
00052 ///
00053 /// Revision 1.1.1.1  2004/03/26 08:53:33  botik
00054 /// initial import
00055 ///
00056 ///
00057 /// Revision 1.4  2003/10/15 13:00:42  botik
00058 /// Added finddrawable class. Modified objectdisplay.h to
00059 /// fit the changes.
00060 ///
00061 /// Revision 1.3  2003/10/15 11:58:05  botik
00062 /// With the addition of object display, graphdisplay has been
00063 /// modified. ObjectDisplay's interface has been coded. Some
00064 /// changes to scrollable view have been introduced that relate
00065 /// to the changes above.
00066 ///
00067 /// Revision 1.2  2003/10/13 16:41:35  botik
00068 /// Added Log keyword to the end of the files
00069 ///

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