PointItem Class Reference

#include <PointItem.h>

Inherits DrawItem.

Public Slots
void	setPoints (const QList< int > &points_x, const QList< int > &points_y)
DrawType	getType ()
void	renderOnGl (QGLWidget &widget, QRectF &source, QRectF &target)
void	draw (QPainter *painter, QRectF &source, QRectF &target)
Public Slots inherited from DrawItem
int	getPosX ()
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)

Public Member Functions
	PointItem (const QList< int > &points_x, const QList< int > &points_y, int groupNr, const QColor &color)
virtual	~PointItem ()
Public Member Functions inherited from DrawItem
	DrawItem (int posX, int posY, int groupNr, const QColor &color)
virtual	~DrawItem ()
virtual DrawType	getType ()=0
virtual void	draw (QPainter *painter, QRectF &source, QRectF &target)=0
bool	operator== (const DrawItem &other)
virtual void	renderOnGl (QGLWidget &widget, QRectF &source, QRectF &target)

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

PointItem for drawing a line from one point to another

Definition at line 18 of file PointItem.h.

Constructor & Destructor Documentation

PointItem::PointItem	(	const QList< int > &	points_x,
		const QList< int > &	points_y,
		int	groupNr,
		const QColor &	color
	)

Definition at line 13 of file PointItem.cc.

    : DrawItem(0, 0, groupNr, color)
{
    this->points_x = points_x;
    this->points_y = points_y;
    
}

virtual PointItem::~PointItem ( )

inlinevirtual

Definition at line 23 of file PointItem.h.

{};

Member Function Documentation

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

slot

Definition at line 21 of file PointItem.cc.

{
  //drawing on non opengl contexts is not supported at the moment
}

DrawType PointItem::getType ( )

inlineslot

Definition at line 41 of file PointItem.h.

{return Point;};

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

slot

See Also

DrawItem::draw

Definition at line 27 of file PointItem.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());
  QList<int>::iterator iter_x = points_x.begin();
  QList<int>::iterator iter_y = points_y.begin();
  
  glBegin(GL_POINTS);
  while(iter_x != points_x.end())
  {
//    std::cout << *iter_x << std::endl;
    glVertex3f(factor_x*(*(iter_x++))+target.x(), widget.height()-(factor_y*(*(iter_y++))+target.y()), 0.0f);
  }
  glEnd( );
}

void PointItem::setPoints ( const QList< int > &  points_x, const QList< int > &  points_y  )

inlineslot

Definition at line 26 of file PointItem.h.

    {
      if(points_x.size() != points_y.size())
        throw std::runtime_error("size of points_x differs from the size of points_y");

      this->points_x = points_x;
      this->points_y = points_y;
      
      if(points_x.size() > 0)
      {
        setPosX(points_x.first());
        setPosY(points_y.first());
      }
    }

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