27 

    27 

    28 #define DRAWN_MAP_COLOR_LAND (Qt::yellow)

    28 #define DRAWN_MAP_COLOR_LAND (Qt::yellow)

    29 #define DRAWN_MAP_COLOR_CURSOR_PEN (Qt::green)

    29 #define DRAWN_MAP_COLOR_CURSOR_PEN (Qt::green)

    30 #define DRAWN_MAP_COLOR_CURSOR_ERASER (Qt::red)

    30 #define DRAWN_MAP_COLOR_CURSOR_ERASER (Qt::red)

    31 

    31 

    32 template <class T> T sqr(const T & x)

    36 template <class T> T sqr(const T & x)

    33 {

    37 {

    34     return x*x;

    38     return x*x;

    35 }

    39 }

    36 

    40