G4RTXScanner.hh

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00001 //
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00026 //
00027 // $Id$
00028 //
00029 //
00030 
00031 #ifdef G4VIS_BUILD_RAYTRACERX_DRIVER
00032 
00033 #ifndef G4RTXScanner_H
00034 #define G4RTXScanner_H 1
00035 
00036 // class description:
00037 //
00038 // G4RTXScanner
00039 // Provides a sequence of window coordinates suitable for a visible
00040 // window of ever increasing resolution.
00041 
00042 #include "G4VRTScanner.hh"
00043 
00044 #include <X11/Xlib.h>
00045 #include <X11/Xutil.h>
00046 
00047 class G4ViewParameters;
00048 
00049 class G4RTXScanner: public G4VRTScanner {
00050 
00051 public: // with description
00052 
00053   G4RTXScanner();
00054   virtual ~G4RTXScanner();
00055 
00056   // Compiler defaults for copy constructor and assignmemt.
00057 
00058   virtual const G4String& GetGSName() const;
00059   // Get name that acts as graphics system name.
00060 
00061   virtual const G4String& GetGSNickname() const;
00062   // Get name that acts as graphics system nickname.  It is this that
00063   // the user specifies on the /vis/open and /vis/sceneHandler/create
00064   // commands.
00065 
00066   virtual void Initialize(G4int nRow, G4int nColumn);
00067   // Intialises scanner for window with nRow rows and nColumn columns.
00068 
00069   virtual G4bool Coords(G4int& iRow, G4int& iColumn);
00070   // Supplies coordinate (iRow,iColumn) and returns false when the
00071   // sequence has finished, i.e., on the call *after* suplying the
00072   // last valid coordinate.
00073 
00074   virtual void Draw
00075   (unsigned char red, unsigned char green, unsigned char blue);
00076   // Draw coloured square at current position.
00077 
00078   G4bool GetXWindow(const G4String& name, G4ViewParameters&);
00079 
00080 protected:
00081   G4String theGSName, theGSNickname;
00082   G4int theNRow, theNColumn, theStep, theIRow, theIColumn;
00083   // X Window variables...
00084   Display* display;
00085   Window win;
00086   GC gc;
00087   XStandardColormap *scmap;
00088 };
00089 
00090 #endif
00091 
00092 #endif

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