+/*****************************************************************************
+** FILE IDENTIFICATION
+**
+** Name: array2d.h
+** Purpose: 2-dimension array classes
+** Programmer: Kevin Rosenberg
+** Date Started: June 2000
+**
+** This is part of the CTSim program
+** Copyright (c) 1983-2001 Kevin Rosenberg
+**
+** $Id$
+**
+** 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
+** published by the Free Software Foundation.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+******************************************************************************/
+
#ifndef ARRAY2D_H
#define ARRAY2D_H
-#include <kstddef.h>
+#include "ctsupport.h"
-template<class T>
-class Array2d {
- private:
- unsigned int nx;
- unsigned int ny;
+template<class T>
+class Array2d {
public:
-
- T** array_data;
-
Array2d (unsigned int x, unsigned int y)
- {
- nx = x;
- ny = y;
- array_data = new T*[nx];
-
- for (unsigned int i = 0; i < nx; i++)
- array_data[i] = new T[ny];
- }
+ : m_nx(x), m_ny(y), array_data(0)
+ {
+ allocArray();
+ }
+ Array2d ()
+ : m_nx(0), m_ny(0), array_data(0)
+ {}
~Array2d ()
- {
- for (int i = 0; i < nx; i++)
- delete array_data[i];
- delete array_data;
- }
-
- T** getArray (void) const
- { return array_data; }
+ {
+ deleteArray();
+ }
+
+ void initSetSize (unsigned int x, unsigned int y)
+ {
+ m_nx = x;
+ m_ny = y;
+ deleteArray();
+ allocArray();
+ }
+
+ T** getArray () 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 () const
+ { return sizeof(T); }
+
+ unsigned int sizeofColumn () const
+ { return (sizeof(T) * m_ny); }
+
+ unsigned int sizeofArray () const
+ { return (sizeof(T) * m_nx * m_ny); }
+
+
+ private:
+ unsigned int m_nx;
+ unsigned int m_ny;
+ T** array_data;
+
+ void allocArray ()
+ {
+ if (array_data)
+ deleteArray();
+
+ array_data = new T*[m_nx];
+
+ for (unsigned int i = 0; i < m_nx; i++)
+ array_data[i] = new T[m_ny];
+ }
- unsigned int sizeofPixel (void) const
- { return sizeof(T); }
+ void deleteArray ()
+ {
+ if (array_data) {
+ for (unsigned int i = 0; i < m_nx; i++)
+ delete array_data [i];
+ delete array_data;
+ array_data = NULL;
+ }
+ }
- unsigned int sizeofColumn (void) const
- { return (sizeof(T) * ny); }
- unsigned int sizeofArray (void) const
- { return (sizeof(T) * nx * ny); }
+ Array2d& operator= (const Array2d& rhs); //assignment operator
+ Array2d (const Array2d& rhs); // copy constructor
};