X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;ds=sidebyside;f=include%2Farray2d.h;h=73f39093cb2da11832e3d69a8d1c87f1f59d2047;hb=3fba6928127cd65870bdcd96c8114ad5894247ae;hp=8d7cf4e3c4f3c577ebef27db3669ba17fb98cbc7;hpb=07b93dbf2b66fa23c5378ab0fa42f9a7f0083380;p=ctsim.git

diff --git a/include/array2d.h b/include/array2d.h
index 8d7cf4e..73f3909 100644
--- a/include/array2d.h
+++ b/include/array2d.h
@@ -1,44 +1,70 @@
+/*****************************************************************************
+** 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) 1983-2000 Kevin Rosenberg
+**
+**  $Id: array2d.h,v 1.7 2000/07/13 07:03:21 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
+**  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;
-
  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 (int i = 0; i < nx; i++)
-		array_data[i] = new T[ny];
+	    allocArray();
 	}
 
+    Array2d (void)
+	: nx(0), ny(0), array_data(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); }
@@ -48,6 +74,33 @@ class Array2d {
 
     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 (unsigned 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
 };