Subversion Repositories gelsvn

Rev

Rev 601 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
595 jab 1 
/* ----------------------------------------------------------------------- *
2 
 * This file is part of GEL, http://www.imm.dtu.dk/GEL
3 
 * Copyright (C) the authors and DTU Informatics
4 
 * For license and list of authors, see ../../doc/intro.pdf
5 
 * ----------------------------------------------------------------------- */
6 
 
7 
/**
8 
 * @file Grid2D.h
9 
 * @brief A simple 2D grid template that is often useful.
10 
 */
11 
 
448 jab 12 
#ifndef __UTIL_GRID2D_H
13 
#define __UTIL_GRID2D_H
77 jab 14 
 
15 
#include <vector>
601 jab 16 
#include "../CGLA/Vec2i.h"
77 jab 17 
 
18 
namespace Util
19 
{
20 
 
21 
	template<class T>
22 
	class Grid2D
23 
	{
24 
		int XDIM, YDIM;
25 
		std::vector<T> pixels;
26 
 
27 
	public:
28 
 
29 
		~Grid2D() {}
30 
 
31 
		Grid2D(int i, int j, const T& val): XDIM(i), YDIM(j), pixels(i*j, val) {}
32 
		Grid2D(int i, int j): XDIM(i), YDIM(j), pixels(i*j) {}
315 jab 33 
		Grid2D(): XDIM(0), YDIM(0) {}
34 
 
35 
		void resize(int i, int j)
36 
				{
37 
						XDIM = i;
38 
						YDIM = j;
39 
						pixels.resize(i*j);
40 
				}
41 
 
77 jab 42 
 
43 
		const T& operator()(int i, int j) const
44 
		{
45 
		  assert(i>=0 && i< XDIM);
46 
		  assert(j>=0 && j< YDIM);
47 
		  return pixels[j*XDIM+i];
48 
		}
49 
 
50 
		T& operator()(int i, int j)
51 
		{
52 
		  assert(i>=0 && i< XDIM);
53 
		  assert(j>=0 && j< YDIM);
54 
		  return pixels[j*XDIM+i];
55 
		}
56 
 
57 
		const T& operator()(const CGLA::Vec2i& p) const
58 
		{
59 
		  assert(p[0]>=0 && p[0]< XDIM);
60 
		  assert(p[1]>=0 && p[1]< YDIM);
61 
		  return pixels[p[1]*XDIM+p[0]];
62 
		}
63 
 
64 
		T& operator()(const CGLA::Vec2i& p)
65 
		{
66 
		  assert(p[0]>=0 && p[0]< XDIM);
67 
		  assert(p[1]>=0 && p[1]< YDIM);
68 
		  return pixels[p[1]*XDIM+p[0]];
69 
		}
70 
 
71 
		int get_xdim() const {return XDIM;}
72 
		int get_ydim() const {return YDIM;}
73 
 
74 
	};
75 
}
76 
 
77 
#endif