Matrix.h++

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#ifndef __libquark_gui_Matrix_hxx
#define __libquark_gui_Matrix_hxx

#include <QDataStream>
#include <QList>
#include <QPoint>

namespace quark {
namespace gui {

template<typename T> class Matrix
{
  public:

  Matrix(int width = 0, int height = 0);

  ~Matrix();

  int rows() const;

  int columns() const;

  bool isEmpty() const
  { return(_rows.isEmpty()); }

  void setItemAt(int row, int column, T item);

  T getItemAt(int row, int column) const;

  void insertRows(int rowIndex, int rowCount);

  void deleteRows(int rowIndex, int rowCount);

  void insertColumns(int columnIndex, int columnCount);

  void deleteColumns(int columnIndex, int columnCount);

  bool isRegionEmpty(int row, int column, int width, int height) const;

  QPoint findEmptyRegion(int width, int height) const;

  bool read(QDataStream &stream);

  void write(QDataStream &stream) const;

  protected:

  virtual bool isEmptyValue(const T& value) const;

  private:

  void setSize(int rows, int cols);

  QList<QList<T>*> _rows;
};

#include <quark/MatrixImpl.h++>

} // namespace gui
} // namespace quark

/*
 */

template<typename T>
  QDataStream& operator<<(QDataStream &stream,
                          const quark::gui::Matrix<T> &matrix)
{
  matrix.write(stream);
  return(stream);
}

/*
 */

template<typename T>
  QDataStream& operator>>(QDataStream& stream, quark::gui::Matrix<T> &matrix)
{
  matrix.read(stream);
  return(stream);
}

#endif // __libquark_gui_Matrix_hxx