LineItem Class Reference

#include <LineItem.h>

Inherits DrawItem.

Public Slots
int	getEndX ()
Public Slots inherited from DrawItem
int	getPosX ()

Public Member Functions
	LineItem (int posX, int posY, int groupNr, const QColor &color, int endX, int endY)
virtual	~LineItem ()
int	getEndY ()
DrawType	getType ()
void	setEndX (int endX)
void	setEndY (int endY)
void	renderOnGl (QGLWidget &widget, QRectF &source, QRectF &target)
void	draw (QPainter *painter, QRectF &source, QRectF &target)
Public Member Functions inherited from DrawItem
	DrawItem (int posX, int posY, int groupNr, const QColor &color)
virtual	~DrawItem ()
bool	operator== (const DrawItem &other)
int	getPosY ()
int	getGroupNr ()
QColor	getColor ()
void	setPosX (int posX)
void	setPosY (int posY)
void	setGroupNr (int groupNr)
void	setColor (const QColor &color)
int	getLineWidth ()
Qt::PenStyle	getPenStyle ()
Qt::PenCapStyle	getPenCapStyle ()
void	setLineWidth (int lineWidth)
void	setPenStyle (Qt::PenStyle penStyle)
void	setPenCapStyle (Qt::PenCapStyle penCapStyle)
int	getID () const
void	openGL (bool value)
bool	onOpenGL ()
void	setPosFactor (float fx, float fy)

Additional Inherited Members
Protected Member Functions inherited from DrawItem
void	addPenStyle (QPainter *painter)
Protected Attributes inherited from DrawItem
int	groupNr
int	posX
int	posY
QColor	color
int	lineWidth
Qt::PenCapStyle	penCapStyle
Qt::PenStyle	penStyle
int	m_id
float	position_factor_x
float	position_factor_y
bool	brender_on_opengl
Static Protected Attributes inherited from DrawItem
static int	_ID = 0

Detailed Description

LineItem for drawing a line from one point to another

Definition at line 17 of file LineItem.h.

Constructor & Destructor Documentation

LineItem()

LineItem::LineItem	(	int	posX,
		int	posY,
		int	groupNr,
		const QColor &	color,
		int	endX,
		int	endY
	)

Creates a LIneItem

Parameters

posX	the x position of the starting point
posY	teh y position of the starting point
groupNr	teh group number
color	the color
endX	the x position of the endpoint
endY	the y position of the end point

Definition at line 12 of file LineItem.cc.

    : DrawItem(posX, posY, groupNr, color)
{
    this->endX = endX;
    this->endY = endY;
}

~LineItem()

virtual LineItem::~LineItem ( )

inlinevirtual

Destructor

Definition at line 35 of file LineItem.h.

{};

Member Function Documentation

draw()

void LineItem::draw ( QPainter *  painter, QRectF &  source, QRectF &  target  )

virtual

avstract method to draw the item

Parameters

painter

the painter with wich to draw the shape

Implements DrawItem.

Definition at line 19 of file LineItem.cc.

{
  float factor_x = ((float)target.width())/source.width();
  float factor_y = ((float)target.height())/source.height();
  addPenStyle(painter);
  painter->drawLine(factor_x*posX+target.x(),
                    posY*factor_y+target.y(),
                    target.x()+factor_x*endX,
                    target.y()+factor_y*endY);
}

getEndX

int LineItem::getEndX ( )

inlineslot

Returns the x position of the end point

Returns

the x position of the end point

Definition at line 41 of file LineItem.h.

{return endX;};

getEndY()

int LineItem::getEndY ( )

inline

Retuns the y position of the end point

Returns

the y poistion of the end point

Definition at line 47 of file LineItem.h.

{return endY;};

getType()

DrawType LineItem::getType ( )

inlinevirtual

Returns DrawType::Line

Returns

DrawType::Line

Implements DrawItem.

Definition at line 53 of file LineItem.h.

{return Line;};

renderOnGl()

void LineItem::renderOnGl ( QGLWidget &  widget, QRectF &  source, QRectF &  target  )

virtual

See also

DrawItem::draw

Reimplemented from DrawItem.

Definition at line 31 of file LineItem.cc.

{
  float factor_x = ((float)target.width())/source.width();
  float factor_y = ((float)target.height())/source.height();
  glColor4ub(color.red(),color.green(),color.blue(),color.alpha());
  glBegin(GL_LINES);
  glVertex3f(factor_x*posX+target.x(), widget.height()-(posY*factor_y+target.y()), 0.0f); // ending point of the line
  glVertex3f(target.x()+factor_x*endX, widget.height()-(target.y()+factor_y*endY), 0.0f); // ending point of the line
  glEnd( );
}

setEndX()

void LineItem::setEndX ( int  endX )

inline

Sets the x position of the end point

Parameters

endX	the x position of the end point

Definition at line 59 of file LineItem.h.

{this->endX = endX;};

setEndY()

void LineItem::setEndY ( int  endY )

inline

Sets the y position the end point

Parameters

endY	the y position of the end point

Definition at line 65 of file LineItem.h.

{this->endY = endY;};

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

• /build/rock-master-18.09-gui-rock-widget-collection-0.20180124/src/generic_widgets/LineItem.h
• /build/rock-master-18.09-gui-rock-widget-collection-0.20180124/src/generic_widgets/LineItem.cc