include/private/G4RTXScanner.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
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0025 //
0026 //
0027 //
0028 //
0029
0030 #ifndef G4RTXScanner_H
0031 #define G4RTXScanner_H 1
0032
0033 // class description:
0034 //
0035 // G4RTXScanner
0036 // Provides a sequence of window coordinates suitable for a visible
0037 // window of ever increasing resolution.
0038
0039 #include "G4VRTScanner.hh"
0040
0041 #include <X11/Xlib.h>
0042 #include <X11/Xutil.h>
0043
0044 class G4ViewParameters;
0045
0046 class G4RTXScanner: public G4VRTScanner {
0047
0048 public: // with description
0049
0050   G4RTXScanner();
0051   virtual ~G4RTXScanner();
0052
0053   // Compiler defaults for copy constructor and assignmemt.
0054
0055   virtual const G4String& GetGSName() const;
0056   // Get name that acts as graphics system name.
0057
0058   virtual const G4String& GetGSNickname() const;
0059   // Get name that acts as graphics system nickname.  It is this that
0060   // the user specifies on the /vis/open and /vis/sceneHandler/create
0061   // commands.
0062
0063   virtual void Initialize(G4int nRow, G4int nColumn);
0064   // Intialises scanner for window with nRow rows and nColumn columns.
0065
0066   virtual G4bool Coords(G4int& iRow, G4int& iColumn);
0067   // Supplies coordinate (iRow,iColumn) and returns false when the
0068   // sequence has finished, i.e., on the call *after* suplying the
0069   // last valid coordinate.
0070
0071   virtual void Draw
0072   (unsigned char red, unsigned char green, unsigned char blue);
0073   // Draw coloured square at current position.
0074
0075   G4bool GetXWindow(const G4String& name, G4ViewParameters&);
0076
0077 protected:
0078   G4String theGSName, theGSNickname;
0079   G4int theNRow, theNColumn, theStep, theIRow, theIColumn;
0080   // X Window variables...
0081   Display* display;
0082   Window win;
0083   GC gc;
0084   XStandardColormap *scmap;
0085 };
0086
0087 #endif