** This is part of the CTSim program
** Copyright (C) 1983-2000 Kevin Rosenberg
**
-** $Id: array2d.h,v 1.3 2000/06/09 01:35:33 kevin Exp $
-** $Log: array2d.h,v $
-** Revision 1.3 2000/06/09 01:35:33 kevin
-** Convert MPI structure to C++ class
-**
+** $Id: array2d.h,v 1.6 2000/06/26 21:15:24 kevin Exp $
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
#ifndef ARRAY2D_H
#define ARRAY2D_H
-#include <kstddef.h>
+#include "ctsupport.h"
+
template<class T>
class Array2d {
- private:
- unsigned int nx;
- unsigned int ny;
-
public:
-
- T** array_data;
-
Array2d (unsigned int x, unsigned int y)
+ : nx(x), ny(y), array_data(0)
{
- nx = x;
- ny = y;
- array_data = new T*[nx];
-
- for (unsigned int i = 0; i < nx; i++)
- array_data[i] = new T[ny];
+ allocArray();
}
+ Array2d (void)
+ : array_data(0), nx(0), ny(0)
+ {}
~Array2d ()
{
- for (int i = 0; i < nx; i++)
- delete array_data[i];
- delete array_data;
+ deleteArray();
}
+ void initSetSize (unsigned int x, unsigned int y)
+ {
+ nx = x;
+ ny = y;
+ deleteArray();
+ allocArray();
+ }
+
T** getArray (void) const
{ return array_data; }
T* getColumn (unsigned int x) const
- { return array_data[x]; }
+ { return (array_data ? array_data[x] : NULL); }
T getPoint (unsigned int x, unsigned int y) const
- { return (array_data[x][y]); }
+ { return (array_data ? array_data[x][y] : NULL); }
unsigned int sizeofPixel (void) const
{ return sizeof(T); }
unsigned int sizeofArray (void) const
{ return (sizeof(T) * nx * ny); }
+
+
+ private:
+ unsigned int nx;
+ unsigned int ny;
+ T** array_data;
+
+ void allocArray (void)
+ {
+ array_data = new T*[nx];
+
+ for (unsigned int i = 0; i < nx; i++)
+ array_data[i] = new T[ny];
+ }
+
+ void deleteArray (void)
+ {
+ if (array_data) {
+ for (int i = 0; i < nx; i++)
+ delete array_data[i];
+ delete array_data;
+ }
+ }
+
+
+ Array2d& operator= (const Array2d& rhs); //assignment operator
+ Array2d (const Array2d& rhs); // copy constructor
};