4 #ifndef __KVIDGridEditorCanvas_H
5 #define __KVIDGridEditorCanvas_H
#define ClassDef(name, id)
TCanvas with mouse-controlled dynamic zoom and pan & scan.
Extended version of KVCanvas used by KVIDGridEditor.
Double_t YbinPixel
size of bins in pixels
Int_t NdisYbins
number of displayed bins on X & Y
virtual ~KVIDGridEditorCanvas()
Destructor.
virtual Bool_t HandleKey(Int_t px, Int_t py)
KeyHandler *fKeyHandler; // handler for arrow keys.
Int_t Ylast0
number of bins on y-axis, initial displayed bins
Int_t X0
friend class KeyHandler;
Int_t Xlast0
number of bins on x-axis, initial displayed bins
KVIDGridEditorCanvas()
Default constructor.
Int_t Yl1
last modification to axis limits
TAxis * theYaxis
the axes of the histogram
Int_t Y0
coordinates of initial click in pad pixels
void HandleInput(EEventType event, Int_t px, Int_t py)