class XRect

Geometrical two-dimensional rectangle

Public Fields

XPoint a

Upper left corner

XPoint b

Lower right corner

Public Methods

XRect()

Constructs a clean rectangle with the corners a(0, 0), b(0, 0)

XRect(unsigned __xa, unsigned __ya, unsigned __xb, unsigned __yb)

Constructs a new point with the corners a(__xa, __ya), b(__xb, __yb)

XRect(XPoint __a, XPoint __b)

Constructs a new point with the specified corners

void Assign(XPoint __a, XPoint __b)

Assigns the specified corners to the rectangle

void Assign(unsigned __xa, unsigned __ya, unsigned __xb, unsigned __yb)

Assigns the specified coordinates to the rectangle

void Move(XPoint __delta)

Moves the rectangle relatively by the specified coordinates

void Grow(XPoint __delta)

Grows the rectangle by adjusting the lower-right corner with the specified coordinates

void Intersect(XRect __r)

Assigns the rectangle the intersection with another rectangle

bool IsValid()

Checks if the coordinates can form a rectangle

void Union(XRect __r)

Assigns the rectangle the union with another rectangle

bool Contains(XPoint __p)

Returns true if the rectangle contains the specified point

XRect& operator = (XRect __r)

Assigns the rectangle the corners of the specified rectangle

bool operator == (XRect __r)

Compares to rectangles and returns true if they are equal

bool operator != (XRect __r)

Compares to rectangles and returns false if they are equal

XRect& operator += (XPoint __delta)

Positively translates the rectangle by adjusting the lower-right corner with the specified coordinates

XRect& operator -= (XPoint __delta)

Negatively translates the rectangle by adjusting the lower-right corner with the specified coordinates

XPoint a

Upper left corner

XPoint b

Lower right corner

XRect()

Constructs a clean rectangle with the corners a(0, 0), b(0, 0)

XRect(unsigned __xa, unsigned __ya, unsigned __xb, unsigned __yb)

Constructs a new point with the corners a(__xa, __ya), b(__xb, __yb)

Parameters:

__xa - x and
__ya - y coordinate of upper left corner
__xb - x and
__yb - y coordinate of lower right corner

XRect(XPoint __a, XPoint __b)

Constructs a new point with the specified corners

Parameters:

__a - upper left corner
__b - lower right corner

void Assign(XPoint __a, XPoint __b)

Assigns the specified corners to the rectangle

Parameters:

__a - upper left corner
__b - lower right corner

void Assign(unsigned __xa, unsigned __ya, unsigned __xb, unsigned __yb)

Assigns the specified coordinates to the rectangle

Parameters:

__xa - x and
__ya - y coordinate of upper left corner
__xb - x and
__yb - y coordinate of lower right corner

void Move(XPoint __delta)

Moves the rectangle relatively by the specified coordinates

Parameters:

__delta - translation vector

void Grow(XPoint __delta)

Grows the rectangle by adjusting the lower-right corner with the specified coordinates

Parameters:

__delta - translation vector

void Intersect(XRect __r)

Assigns the rectangle the intersection with another rectangle

Parameters:

__r - other rectangle

bool IsValid()

Checks if the coordinates can form a rectangle

Parameters:

true - if coordinates are valid

void Union(XRect __r)

Assigns the rectangle the union with another rectangle

Parameters:

__r - other rectangle

bool Contains(XPoint __p)

Returns true if the rectangle contains the specified point

Returns:

true if point in rectangle

Parameters:

__p - point

XRect& operator = (XRect __r)

Assigns the rectangle the corners of the specified rectangle

Returns:

assigned rectangle

Parameters:

__r - value to assign

bool operator == (XRect __r)

Compares to rectangles and returns true if they are equal

Returns:

true if equal

Parameters:

__r - right operand

bool operator != (XRect __r)

Compares to rectangles and returns false if they are equal

Returns:

false if equal

Parameters:

__r - right operand

XRect& operator += (XPoint __delta)

Positively translates the rectangle by adjusting the lower-right corner with the specified coordinates

Returns:

translated rectangle

Parameters:

__delta - translation vector

XRect& operator -= (XPoint __delta)

Negatively translates the rectangle by adjusting the lower-right corner with the specified coordinates

Returns:

translated rectangle

Parameters:

__delta - translation vector

This class has no child classes.