ArtificialHorizon Class Reference

#include <artificialhorizon.h>

Inherits QWidget.

Public Slots
void	setDataDir (QString const &data_dir)
ArtificialHorizon *	newInstance ()
void	setRollAngle (double myvalue)
void	setPitchAngle (double myval)

Public Member Functions
	ArtificialHorizon (QWidget *parent=NULL)
	~ArtificialHorizon ()
void	paintEvent (QPaintEvent *)
void	resizeEvent (QResizeEvent *event)

Detailed Description

Definition at line 8 of file artificialhorizon.h.

Constructor & Destructor Documentation

ArtificialHorizon()

ArtificialHorizon::ArtificialHorizon

(

QWidget *

parent = NULL

)

Definition at line 9 of file artificialhorizon.cc.

                                                   :
QWidget(parent)
{
    rollangle  = 0;
    pitchangle = 0;
    setDataDir(":/");
}

~ArtificialHorizon()

ArtificialHorizon::~ArtificialHorizon

(

)

Definition at line 89 of file artificialhorizon.cc.

{
    
}

Member Function Documentation

newInstance

ArtificialHorizon * ArtificialHorizon::newInstance ( )

slot

Definition at line 31 of file artificialhorizon.cc.

{
    return new ArtificialHorizon();
}

paintEvent()

void ArtificialHorizon::paintEvent

(

QPaintEvent *

)

Definition at line 52 of file artificialhorizon.cc.

{
    QPoint point=QPoint(0,0);
    QTransform transform;
    transform.translate(background.width()/2.0,background.height()/2.0);
    transform.rotate(-rollangle*180.0/M_PI);
    transform.translate(0,-pitchangle*180.0/M_PI*3.5);
    transform.translate(-background.width()/2.0,-background.height()/2.0);

    QPainter painter(this);
    painter.save(); // save the current painter settings before changing them
    painter.setClipRect(0,0,background.width(),background.height());

    painter.setTransform(transform);
    painter.translate(0,-background.height()/2.0-background.height()*0.0328947368421);
    painter.drawImage(0,0, rotate); // draw the stationary

    transform.translate(background.width()/2.0,background.height()/2.0);
    transform.translate(0,pitchangle*180.0/M_PI*3.5);
    transform.translate(-background.width()/2.0,-background.height()/2.0);
    painter.setTransform(transform);

    painter.drawImage(0,0, dial); // draw the stationary
    painter.restore(); // restore the previous painter settings
    painter.drawImage( point,stationary);
    painter.end();
}

resizeEvent()

void ArtificialHorizon::resizeEvent

(

QResizeEvent *

event

)

Definition at line 80 of file artificialhorizon.cc.

                                                      {
    QWidget::resizeEvent(event);

    background = background_o.scaled(size(),Qt::KeepAspectRatio);
  stationary = stationary_o.scaled(size(),Qt::KeepAspectRatio);
  dial       = dial_o.scaled(size(),Qt::KeepAspectRatio);      
  rotate     = rotate_o.scaledToWidth(dial.width()*1.01315789474);    
}

setDataDir

void ArtificialHorizon::setDataDir ( QString const &  data_dir )

slot

Definition at line 17 of file artificialhorizon.cc.

{
    stationary_o = QImage(data_dir + "stationary.svg");
    background_o = QPixmap(stationary_o.size());
    rotate_o     = QImage(data_dir + "rotate.svg");
    dial_o       = QImage(data_dir + "dial.svg");
        background = background_o;
      stationary = stationary_o; 
      rotate     = rotate_o;     
      dial       = dial_o;       


}

setPitchAngle

void ArtificialHorizon::setPitchAngle ( double  myval )

slot

Definition at line 44 of file artificialhorizon.cc.

{
    if (myvalue!=pitchangle)
    {
        pitchangle = myvalue;
        this->update();
    }
}

setRollAngle

void ArtificialHorizon::setRollAngle ( double  myvalue )

slot

Definition at line 36 of file artificialhorizon.cc.

{
    if (myvalue!=rollangle)
    {
        rollangle = myvalue;
        this->update();
    }
}

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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/artificial_horizon/artificialhorizon.h
• /build/rock-master-18.09-gui-rock-widget-collection-0.20180124/src/artificial_horizon/artificialhorizon.cc