make methods for Rect that use Point

This commit is contained in:
Dana Jansens 2002-11-10 11:25:40 +00:00
parent 8693dd95a2
commit bf160f210a
2 changed files with 92 additions and 13 deletions

View file

@ -2,7 +2,8 @@
namespace otk { namespace otk {
void Rect::setX(int x) { void Rect::setX(int x)
{
_x2 += x - _x1; _x2 += x - _x1;
_x1 = x; _x1 = x;
} }
@ -15,7 +16,17 @@ void Rect::setY(int y)
} }
void Rect::setPos(int x, int y) { void Rect::setPos(const Point &location)
{
_x2 += location.x() - _x1;
_x1 = location.x();
_y2 += location.y() - _y1;
_y1 = loaction.y();
}
void Rect::setPos(int x, int y)
{
_x2 += x - _x1; _x2 += x - _x1;
_x1 = x; _x1 = x;
_y2 += y - _y1; _y2 += y - _y1;
@ -23,28 +34,46 @@ void Rect::setPos(int x, int y) {
} }
void Rect::setWidth(unsigned int w) { void Rect::setWidth(unsigned int w)
{
_x2 = w + _x1 - 1; _x2 = w + _x1 - 1;
} }
void Rect::setHeight(unsigned int h) { void Rect::setHeight(unsigned int h)
{
_y2 = h + _y1 - 1; _y2 = h + _y1 - 1;
} }
void Rect::setSize(unsigned int w, unsigned int h) { void Rect::setSize(unsigned int w, unsigned int h)
{
_x2 = w + _x1 - 1; _x2 = w + _x1 - 1;
_y2 = h + _y1 - 1; _y2 = h + _y1 - 1;
} }
void Rect::setRect(int x, int y, unsigned int w, unsigned int h) { void Rect::setSize(const Point &size)
{
_x2 = size.x() + _x1 - 1;
_y2 = size.y() + _y1 - 1;
}
void Rect::setRect(int x, int y, unsigned int w, unsigned int h)
{
*this = Rect(x, y, w, h); *this = Rect(x, y, w, h);
} }
void Rect::setCoords(int l, int t, int r, int b) { void setRect(const Point &location, const Point &size)
{
*this = Rect(location, size);
}
void Rect::setCoords(int l, int t, int r, int b)
{
_x1 = l; _x1 = l;
_y1 = t; _y1 = t;
_x2 = r; _x2 = r;
@ -52,7 +81,17 @@ void Rect::setCoords(int l, int t, int r, int b) {
} }
Rect Rect::operator|(const Rect &a) const { void setCoords(const Point &tl, const Point &br)
{
_x1 = tl.x();
_y1 = tl.y();
_x2 = br.x();
_y2 = br.y();
}
Rect Rect::operator|(const Rect &a) const
{
Rect b; Rect b;
b._x1 = std::min(_x1, a._x1); b._x1 = std::min(_x1, a._x1);
@ -64,7 +103,8 @@ Rect Rect::operator|(const Rect &a) const {
} }
Rect Rect::operator&(const Rect &a) const { Rect Rect::operator&(const Rect &a) const
{
Rect b; Rect b;
b._x1 = std::max(_x1, a._x1); b._x1 = std::max(_x1, a._x1);
@ -76,19 +116,22 @@ Rect Rect::operator&(const Rect &a) const {
} }
bool Rect::intersects(const Rect &a) const { bool Rect::intersects(const Rect &a) const
{
return std::max(_x1, a._x1) <= std::min(_x2, a._x2) && return std::max(_x1, a._x1) <= std::min(_x2, a._x2) &&
std::max(_y1, a._y1) <= std::min(_y2, a._y2); std::max(_y1, a._y1) <= std::min(_y2, a._y2);
} }
bool Rect::contains(int x, int y) const { bool Rect::contains(int x, int y) const
{
return x >= _x1 && x <= _x2 && return x >= _x1 && x <= _x2 &&
y >= _y1 && y <= _y2; y >= _y1 && y <= _y2;
} }
bool Rect::contains(const Rect& a) const { bool Rect::contains(const Rect& a) const
{
return a._x1 >= _x1 && a._x2 <= _x2 && return a._x1 >= _x1 && a._x2 <= _x2 &&
a._y1 >= _y1 && a._y2 <= _y2; a._y1 >= _y1 && a._y2 <= _y2;
} }

View file

@ -26,6 +26,14 @@ public:
*/ */
inline Rect(int x, int y, unsigned int w, unsigned int h) inline Rect(int x, int y, unsigned int w, unsigned int h)
: _x1(x), _y1(y), _x2(w + x - 1), _y2(h + y - 1) { } : _x1(x), _y1(y), _x2(w + x - 1), _y2(h + y - 1) { }
//! Constructs a Rect from 2 Point objects
/*!
@param location The point defining the top left corner of the rectangle
@param size The width and height of the rectangle
*/
inline Rect(const Point &location, const Point &size)
: _x1(location.x()), _y1(location.y()),
_x2(size.x() + location.x() - 1), _y2(size.y() + location.y() - 1) { }
//! Constructs a Rect from an XRectangle //! Constructs a Rect from an XRectangle
inline explicit Rect(const XRectangle& xrect) inline explicit Rect(const XRectangle& xrect)
: _x1(xrect.x), _y1(xrect.y), _x2(xrect.width + xrect.x - 1), : _x1(xrect.x), _y1(xrect.y), _x2(xrect.width + xrect.x - 1),
@ -44,6 +52,9 @@ public:
inline int x(void) const { return _x1; } inline int x(void) const { return _x1; }
//! The y component of the point defining the top left corner of the Rect //! The y component of the point defining the top left corner of the Rect
inline int y(void) const { return _y1; } inline int y(void) const { return _y1; }
//! Returns the Point that defines the top left corner of the rectangle
inline Point location() const { return Point(_x1, _y1); }
//! Sets the x coordinate of the Rect. //! Sets the x coordinate of the Rect.
/*! /*!
@param x The new x component of the point defining the top left corner of @param x The new x component of the point defining the top left corner of
@ -64,11 +75,19 @@ public:
the rectangle the rectangle
*/ */
void setPos(int x, int y); void setPos(int x, int y);
//! Sets the x and y coordinates of the Rect.
/*!
@param location The point defining the top left corner of the rectangle.
*/
void setPos(const Point &location);
//! The width of the Rect //! The width of the Rect
inline unsigned int width(void) const { return _x2 - _x1 + 1; } inline unsigned int width(void) const { return _x2 - _x1 + 1; }
//! The height of the Rect //! The height of the Rect
inline unsigned int height(void) const { return _y2 - _y1 + 1; } inline unsigned int height(void) const { return _y2 - _y1 + 1; }
//! Returns the size of the Rect
inline Point size() const { return Point(_x2 - _x1 + 1, _y2 - _y1 + 1); }
//! Sets the width of the Rect //! Sets the width of the Rect
/*! /*!
@param w The new width of the rectangle @param w The new width of the rectangle
@ -79,12 +98,17 @@ public:
@param h The new height of the rectangle @param h The new height of the rectangle
*/ */
void setHeight(unsigned int h); void setHeight(unsigned int h);
//! Sets the width of the Rect. //! Sets the size of the Rect.
/*! /*!
@param w The new width of the rectangle @param w The new width of the rectangle
@param h The new height of the rectangle @param h The new height of the rectangle
*/ */
void setSize(unsigned int w, unsigned int h); void setSize(unsigned int w, unsigned int h);
//! Sets the size of the Rect.
/*!
@param size The new size of the rectangle
*/
void setSize(const Point &size);
//! Sets the position and size of the Rect //! Sets the position and size of the Rect
/*! /*!
@ -96,6 +120,12 @@ public:
@param h The new height of the rectangle @param h The new height of the rectangle
*/ */
void setRect(int x, int y, unsigned int w, unsigned int h); void setRect(int x, int y, unsigned int w, unsigned int h);
//! Sets the position and size of the Rect
/*!
@param location The new point defining the top left corner of the rectangle
@param size The new size of the rectangle
*/
void setRect(const Point &location, const Point &size);
//! Sets the position of all 4 sides of the Rect //! Sets the position of all 4 sides of the Rect
/*! /*!
@ -105,6 +135,12 @@ public:
@param b The new bottom coordinate of the rectangle @param b The new bottom coordinate of the rectangle
*/ */
void setCoords(int l, int t, int r, int b); void setCoords(int l, int t, int r, int b);
//! Sets the position of all 4 sides of the Rect
/*!
@param tl The new point at the top left of the rectangle
@param br The new point at the bottom right of the rectangle
*/
void setCoords(const Point &tl, const Point &br);
//! Determines if two Rect objects are equal //! Determines if two Rect objects are equal
/*! /*!