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#ifndef MATRIX_H
#define MATRIX_H
#include <cassert>
#include "Tools.h"
//----------------------------------------------------------------------------
template <class T>
class Matrix
{
public:
//------------------------------------------------------------------------
Matrix()
{
m_xSize = 0;
m_ySize = 0;
m_matrix = NULL;
}
Matrix(const Matrix &other)
{
m_matrix = NULL;
operator=(other);
}
~Matrix()
{
ZAP_ARRAY(m_matrix);
}
//------------------------------------------------------------------------
void resize(unsigned x, unsigned y)
{
ZAP_ARRAY(m_matrix);
m_xSize = x;
m_ySize = y;
m_matrix = new T[m_xSize * m_ySize];
}
void resize(unsigned x, unsigned y, T value)
{
resize(x, y);
setAll(value);
}
//------------------------------------------------------------------------
unsigned getXSize() const
{
return m_xSize;
}
unsigned getYSize() const
{
return m_ySize;
}
//------------------------------------------------------------------------
T get(unsigned x, unsigned y) const
{
assert(x < m_xSize);
assert(y < m_ySize);
return m_matrix[y*m_xSize + x];
}
void set(unsigned x, unsigned y, T value)
{
assert(x < m_xSize);
assert(y < m_ySize);
m_matrix[y*m_xSize + x] = value;
}
void setAll(T value)
{
unsigned yOffset = 0;
for (unsigned y=0; y<m_ySize; y++)
{
for (unsigned x=0; x<m_xSize; x++)
{
m_matrix[yOffset + x] = value;
}
yOffset += m_xSize;
}
}
//------------------------------------------------------------------------
Matrix &operator=(const Matrix &other)
{
resize(other.m_xSize, other.m_ySize);
for (unsigned y=0; y<m_ySize; y++)
{
for (unsigned x=0; x<m_xSize; x++)
{
set(x, y, other.get(x, y));
}
}
return *this;
}
protected:
//------------------------------------------------------------------------
unsigned m_xSize;
unsigned m_ySize;
T* m_matrix;
};
#endif //MATRIX_H
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