A rectangle template class. More...

#include <SLRect.h>

Public Member Functions
	SLRect ()

	SLRect (const T WIDTH, const T HEIGHT)

	SLRect (const T X, const T Y, const T WIDTH, const T HEIGHT)

	SLRect (const V &tl, const V &br)

void	set (const T X, const T Y, const T WIDTH, const T HEIGHT)

void	set (const T v[2])

void	set (const V tl, const V br)

void	setZero ()

SLbool	operator== (const SLRect &r) const

SLbool	operator!= (const SLRect &r) const

SLRect &	operator= (const SLRect &r)

void	tl (V v)
	top-left corner More...

void	br (V v)
	bottom-right corner More...

void	setScnd (V v)

V	tl ()
	top-left corner More...

V	br ()
	bottom-right corner More...

T	area ()

SLbool	isEmpty () const

SLbool	isZero ()

SLbool	contains (T X, T Y)

SLbool	contains (V v)

SLbool	contains (const SLRect &r)

void	print (const char *str=nullptr)

void	drawGL (const SLCol4f &color)

Public Attributes
T	x

T	y

T	width

T	height

Private Attributes
SLGLVertexArrayExt	_vao

Friends
std::ostream &	operator<< (std::ostream &output, const SLRect &r)

Detailed Description

template<class T, class V>
class SLRect< T, V >

A rectangle template class.

Defines a rectangle with a top-left corner at x,y measured from top-left of the window and with its width and height. It is used e.g. to draw a selection rectangle in SLSceneView::draw2DGL.

Definition at line 26 of file SLRect.h.

Constructor & Destructor Documentation

◆ SLRect() [1/4]

template<class T , class V >

SLRect< T, V >::SLRect ( )

inline

Definition at line 31 of file SLRect.h.

31 {setZero();}

SLRect::setZero

void setZero()

Definition: SLRect.h:49

◆ SLRect() [2/4]

template<class T , class V >

SLRect< T, V >::SLRect	(	const T	WIDTH,
		const T	HEIGHT
	)

inline

Definition at line 32 of file SLRect.h.

33 {x=0;y=0;width=WIDTH;height=HEIGHT;}

SLRect::width

T width

Definition: SLRect.h:29

SLRect::y

T y

Definition: SLRect.h:29

SLRect::x

T x

Definition: SLRect.h:29

SLRect::height

T height

Definition: SLRect.h:29

◆ SLRect() [3/4]

template<class T , class V >

SLRect< T, V >::SLRect	(	const T	X,
		const T	Y,
		const T	WIDTH,
		const T	HEIGHT
	)

inline

Definition at line 34 of file SLRect.h.

37 {x=X;y=Y;width=WIDTH;height=HEIGHT;}

◆ SLRect() [4/4]

template<class T , class V >

SLRect< T, V >::SLRect	(	const V &	tl,
		const V &	br
	)

inline

Definition at line 38 of file SLRect.h.

                                                 {x=tl.x; y=tl.y;
                                                  width=br.x-tl.x;
                                                  height=br.y-tl.y;}

Member Function Documentation

◆ area()

template<class T , class V >

T SLRect< T, V >::area ( )

inline

Definition at line 73 of file SLRect.h.

73 {return width * height;}

◆ br() [1/2]

template<class T , class V >

V SLRect< T, V >::br ( )

inline

bottom-right corner

Definition at line 72 of file SLRect.h.

◆ br() [2/2]

template<class T , class V >

void SLRect< T, V >::br ( V v )

inline

bottom-right corner

Definition at line 64 of file SLRect.h.

◆ contains() [1/3]

template<class T , class V >

SLbool SLRect< T, V >::contains ( const SLRect< T, V > & r )

inline

Definition at line 78 of file SLRect.h.

78 {return (r.x>=x && r.x<=x+width && r.y>=y && r.y<=y+height && r.width <= width && r.height <= height);}

◆ contains() [2/3]

template<class T , class V >

SLbool SLRect< T, V >::contains	(	T	X,
		T	Y
	)

inline

Definition at line 76 of file SLRect.h.

76 {return (X>=x && X<=x+width && Y>=y && Y<=y+height);}

◆ contains() [3/3]

template<class T , class V >

SLbool SLRect< T, V >::contains ( V v )

inline

Definition at line 77 of file SLRect.h.

77 {return (v.x>=x && v.x<=x+width && v.y>=y && v.y<=y+height);}

◆ drawGL()

template<class T , class V >

void SLRect< T, V >::drawGL ( const SLCol4f & color )

inline

Definition at line 88 of file SLRect.h.

     {
         SLVVec3f P;
         P.push_back(SLVec3f(x,      -y,        0));
         P.push_back(SLVec3f(x+width,-y,        0));
         P.push_back(SLVec3f(x+width,-y-height, 0));
         P.push_back(SLVec3f(x      ,-y-height, 0));
         _vao.generateVertexPos(&P);
         _vao.drawArrayAsColored(PT_lineLoop, color);
     }

◆ isEmpty()

template<class T , class V >

SLbool SLRect< T, V >::isEmpty ( ) const

inline

Definition at line 74 of file SLRect.h.

74 {return (width==0 || height==0);} ;

◆ isZero()

template<class T , class V >

SLbool SLRect< T, V >::isZero ( )

inline

Definition at line 75 of file SLRect.h.

75 {return (x==0 && y==0 && width==0 && height==0);}

◆ operator!=()

template<class T , class V >

SLbool SLRect< T, V >::operator!= ( const SLRect< T, V > & r ) const

inline

Definition at line 53 of file SLRect.h.

53 {return (x!=r.x || y!=r.y || width!=r.width || height!=r.height);}

◆ operator=()

template<class T , class V >

SLRect& SLRect< T, V >::operator= ( const SLRect< T, V > & r )

inline

Definition at line 56 of file SLRect.h.

56 {x=r.x; y=r.y; width=r.width; height=r.height; return *this;}

◆ operator==()

template<class T , class V >

SLbool SLRect< T, V >::operator== ( const SLRect< T, V > & r ) const

inline

Definition at line 52 of file SLRect.h.

52 {return (x==r.x && y==r.y && width==r.width && height==r.height);}

◆ print()

template<class T , class V >

void SLRect< T, V >::print ( const char * str = nullptr )

inline

Definition at line 80 of file SLRect.h.

     {
         if (str) 
             SL_LOG("%s",str);
         SL_LOG("% 3.1f, % 3.1f, % 3.1f, % 3.1f",x, y, width, height);
     }

◆ set() [1/3]

template<class T , class V >

void SLRect< T, V >::set ( const T v[2] )

inline

Definition at line 46 of file SLRect.h.

46 {x=v[0]; y=v[1];}

◆ set() [2/3]

template<class T , class V >

void SLRect< T, V >::set	(	const T	X,
		const T	Y,
		const T	WIDTH,
		const T	HEIGHT
	)

inline

Definition at line 42 of file SLRect.h.

45 {x=X;y=Y;width=WIDTH;height=HEIGHT;}

◆ set() [3/3]

template<class T , class V >

void SLRect< T, V >::set	(	const V	tl,
		const V	br
	)

inline

Definition at line 47 of file SLRect.h.

48 {tl(tl); br(br);}

◆ setScnd()

template<class T , class V >

void SLRect< T, V >::setScnd ( V v )

inline

Definition at line 67 of file SLRect.h.

67 {if (v.x>x) {width =v.x-x;} else {width+=x-v.x; x=v.x;}

68 if (v.y>y) {height=v.y-y;} else {height+=y-v.y; y=v.y;}}

◆ setZero()

template<class T , class V >

void SLRect< T, V >::setZero ( )

inline

Definition at line 49 of file SLRect.h.

49 {x=0; y=0; width=0; height=0;}

◆ tl() [1/2]

template<class T , class V >

V SLRect< T, V >::tl ( )

inline

top-left corner

Definition at line 71 of file SLRect.h.

◆ tl() [2/2]

template<class T , class V >

void SLRect< T, V >::tl ( V v )

inline

top-left corner

Definition at line 63 of file SLRect.h.

Friends And Related Function Documentation

◆ operator<<

template<class T , class V >

std::ostream& operator<<	(	std::ostream &	output,
		const SLRect< T, V > &	r
	)

friend

Definition at line 59 of file SLRect.h.

60 {output<<"["<<r.x<<","<<r.y<<","<<r.width<<","<<r.height<<"]"; return output;}

Member Data Documentation

◆ _vao

template<class T , class V >

SLGLVertexArrayExt SLRect< T, V >::_vao

private

Definition at line 100 of file SLRect.h.

◆ height

template<class T , class V >

T SLRect< T, V >::height

Definition at line 29 of file SLRect.h.

◆ width

template<class T , class V >

T SLRect< T, V >::width

Definition at line 29 of file SLRect.h.

◆ x

template<class T , class V >

T SLRect< T, V >::x

Definition at line 29 of file SLRect.h.

◆ y

template<class T , class V >

T SLRect< T, V >::y

Definition at line 29 of file SLRect.h.

The documentation for this class was generated from the following file:

SLRect.h

Public Member Functions

Public Attributes

Private Attributes

Friends

Detailed Description

template<class T, class V> class SLRect< T, V >

Constructor & Destructor Documentation

◆ SLRect() [1/4]

◆ SLRect() [2/4]

◆ SLRect() [3/4]

◆ SLRect() [4/4]

Member Function Documentation

◆ area()

◆ br() [1/2]

◆ br() [2/2]

◆ contains() [1/3]

◆ contains() [2/3]

◆ contains() [3/3]

◆ drawGL()

◆ isEmpty()

◆ isZero()

◆ operator!=()

◆ operator=()

◆ operator==()

◆ print()

◆ set() [1/3]

◆ set() [2/3]

◆ set() [3/3]

◆ setScnd()

◆ setZero()

◆ tl() [1/2]

◆ tl() [2/2]

Friends And Related Function Documentation

◆ operator<<

Member Data Documentation

◆ _vao

◆ height

◆ width

◆ x

◆ y

template<class T, class V>
class SLRect< T, V >