Line Class Reference

#include <line.h>

Inheritance diagram for Line:

Public Member Functions
	Line (QWidget *parent=0)
	Constructor. More...
	Line (int fromX, int fromY, int toX, int toY, int w, QColor c, QWidget *parent=0)
	Constructor for a line, specifying the (fromX,fromY) and (toX,toY) More...
	Line (int fromX, int fromY, int length, double angle, int w, QColor c, QWidget *parent=0)
	Constructor for a line, specifying the (fromX,fromY) and (toX,toY) More...
void	setCoords (int fromX, int fromY, int toX, int toY)
	Setter for the line coordinates. More...
void	setpenColor (QColor c)
	Setter for the pen color. More...
void	setPenWidth (int w)
	Setter for the pen width. More...
int	getX0 ()
	Getter for the starting coordinate x. More...
int	getY0 ()
	Getter for the starting coordinate y. More...
int	getX1 ()
	Getter for the ending coordinate x. More...
int	getY1 ()
	Getter for the ending coordinate y. More...

Protected Member Functions
void	paintEvent (QPaintEvent *)
	The paint event function is automatically invoked whenever a resize or repaint happens.

Private Attributes
int	x0
int	y0
int	x1
int	y1
int	penWidth
QColor	penColor

Detailed Description

A class to describe lines.

Constructor & Destructor Documentation

Line::Line ( QWidget *  parent = 0 )

explicit

Constructor.

Constructor sets coordinates to 0, pen color to black and pen width to 1.

Line::Line	(	int	fromX,
		int	fromY,
		int	toX,
		int	toY,
		int	w,
		QColor	c,
		QWidget *	parent = 0
	)

Constructor for a line, specifying the (fromX,fromY) and (toX,toY)

Parameters

fromX	starting x coordinate
fromY	starting y coordinate
toX	end x coordinate
toY	end y coordinate
w	pen width
c	line color
parent	parent of this line

Line::Line	(	int	fromX,
		int	fromY,
		int	length,
		double	angle,
		int	w,
		QColor	c,
		QWidget *	parent = 0
	)

Constructor for a line, specifying the (fromX,fromY) and (toX,toY)

Constructor for a line, specifying (fromX, fromY) and the length and angle.

Parameters

fromX	starting x coordinate
fromY	starting y coordinate
length	length of the line
angle	angle
w	pen width
c	line color
parent	parent of this line

Member Function Documentation

int Line::getX0

(

)

Getter for the starting coordinate x.

Returns

starting coordinate x.

int Line::getX1

(

)

Getter for the ending coordinate x.

Returns

ending coordinate x.

int Line::getY0

(

)

Getter for the starting coordinate y.

Returns

starting coordinate y.

int Line::getY1

(

)

Getter for the ending coordinate y.

Returns

ending coordinate y.

void Line::setCoords	(	int	fromX,
		int	fromY,
		int	toX,
		int	toY
	)

Setter for the line coordinates.

Parameters

fromX	starting x coordinate
fromY	starting y coordinate
toX	end x coordinate
toY	end y coordinate

void Line::setpenColor

(

QColor

c

)

Setter for the pen color.

Parameters

c	line color

void Line::setPenWidth

(

int

w

)

Setter for the pen width.

Parameters

w

pen width

Member Data Documentation

QColor Line::penColor

private

pen color / color del boligrafo

int Line::penWidth

private

pen width / ancho del boligrafo

int Line::x0

private

initial coord x / coordenada inicial x

int Line::x1

private

ending coord x / coordenada final x

int Line::y0

private

initial coord y / coordenada inicial y

int Line::y1

private

ending coord y / coordenada final y

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

• line.h
• line.cpp