TutorialStateCurveSelection Class Reference

Curve selection panel discusses how to select a curve, and perform setup on the selected curve. More...

#include <TutorialStateCurveSelection.h>

Inheritance diagram for TutorialStateCurveSelection:

Collaboration diagram for TutorialStateCurveSelection:

Public Slots
void	slotColorFilter ()
	Slot called when settings button is triggered.
void	slotNext ()
	Slot called when next button is triggered.
void	slotPrevious ()
	Slot called to return to previous panel.

Public Member Functions
	TutorialStateCurveSelection (TutorialStateContext &context)
	Single constructor.
virtual void	begin ()
	Transition into this state.
virtual void	end ()
	Transition out of this state.
Public Member Functions inherited from TutorialStateAbstractBase
	TutorialStateAbstractBase (TutorialStateContext &context)
	Single constructor.
virtual	~TutorialStateAbstractBase ()

Additional Inherited Members
Protected Member Functions inherited from TutorialStateAbstractBase
int	buttonMargin () const
	Buttons are placed up against bottom side, and left or right side, separated by this margin.
TutorialStateContext &	context ()
	Context class for the tutorial state machine.
QGraphicsPixmapItem *	createPixmapItem (const QString &resource, const QPoint &pos)
	Factory method for pixmap items.
QGraphicsTextItem *	createTextItem (const QString &text, const QPoint &pos)
	Factory method for text items.
QGraphicsTextItem *	createTitle (const QString &text)
	Factory method for title items.

Detailed Description

Curve selection panel discusses how to select a curve, and perform setup on the selected curve.

Definition at line 18 of file TutorialStateCurveSelection.h.

Constructor & Destructor Documentation

TutorialStateCurveSelection()

TutorialStateCurveSelection::TutorialStateCurveSelection

(

TutorialStateContext &

context

)

Single constructor.

Definition at line 18 of file TutorialStateCurveSelection.cpp.

                                                                                       : 
  TutorialStateAbstractBase (context),
  m_title (nullptr),
  m_background (nullptr),
  m_text0 (nullptr),
  m_text1 (nullptr),
  m_text2 (nullptr),
  m_text3 (nullptr),
  m_previous (nullptr),
  m_colorFilter (nullptr),  
  m_next (nullptr)  
{
  LOG4CPP_INFO_S ((*mainCat)) << "TutorialStateCurveSelection::TutorialStateCurveSelection";
}

Member Function Documentation

begin()

void TutorialStateCurveSelection::begin ( )

virtual

Transition into this state.

Implements TutorialStateAbstractBase.

Definition at line 33 of file TutorialStateCurveSelection.cpp.

{
  LOG4CPP_INFO_S ((*mainCat)) << "TutorialStateCurveSelection::begin ()";
 
  context().tutorialDlg().scene().clear ();
 
  m_title = createTitle ("Curve Selection");
  m_background = createPixmapItem (":/engauge/img/panel_curve_selection.png",
                                   QPoint (0, 30));
  m_text0 = createTextItem (tr ("After the axis points have been created, a\n"
                                "curve is selected to receive curve points.\n"
                                "Step 1 - click on Curve, Point Match, Color\n"
                                "Picker or Segment Fill buttons."),
                            QPoint (250, 40));
  m_text1 = createTextItem (tr ("Step 2 - Select the desired curve name. If\n"
                                "that curve name has not been created yet,\n"
                                "use the menu option Settings / Curve Names\n"
                                "to create it."),
                            QPoint (250, 120));
  m_text2 = createTextItem (tr ("Step 3 - Change the background from the\n"
                                "original image to the filtered image\n"
                                "produced for the current curve, using the\n"
                                "menu option View / Background / Filtered\n"
                                "Image. This filtering enables the powerful\n"
                                "automated algorithms discussed later in\n"
                                "the tutorial."),
                            QPoint (250, 200));
  m_text3 = createTextItem (tr ("If the current curve is no longer visible\n"
                                "in the filtered image, then change the\n"
                                "current Color Filter settings. In the figure,\n"
                                "the orange points have disappeared."),
                            QPoint (250, 330));
 
  QSize backgroundSize = context().tutorialDlg().backgroundSize();
 
  m_previous = new TutorialButton (tr ("Previous"),
                                   context().tutorialDlg().scene());
  m_previous->setGeometry (QPoint (buttonMargin (),
                                   backgroundSize.height() - buttonMargin() - m_previous->size().height()));
  connect (m_previous, SIGNAL (signalTriggered ()), this, SLOT (slotPrevious ()));
 
  m_colorFilter = new TutorialButton (tr ("Color Filter Settings"),
                                      context().tutorialDlg().scene());
  m_colorFilter->setGeometry (QPoint (qFloor (backgroundSize.width () / 2.0 - m_colorFilter->size ().width () / 2),
                                      qFloor (backgroundSize.height () - buttonMargin () - m_colorFilter->size ().height ())));
  connect (m_colorFilter, SIGNAL (signalTriggered ()), this, SLOT (slotColorFilter ()));
 
  m_next = new TutorialButton (tr ("Next"),
                               context().tutorialDlg().scene());
  m_next->setGeometry (QPoint (backgroundSize.width () - buttonMargin () - m_next->size ().width (),
                               backgroundSize.height () - buttonMargin () - m_next->size ().height ()));
  connect (m_next, SIGNAL (signalTriggered ()), this, SLOT (slotNext ()));
}

end()

void TutorialStateCurveSelection::end ( )

virtual

Transition out of this state.

Implements TutorialStateAbstractBase.

Definition at line 87 of file TutorialStateCurveSelection.cpp.

{
  LOG4CPP_INFO_S ((*mainCat)) << "TutorialStateCurveSelection::end ()";
 
  // It is not safe to remove and deallocate items here since an active TutorialButton
  // may be on the stack. So we clear the scene as the first step in the next begin()
}

slotColorFilter

void TutorialStateCurveSelection::slotColorFilter ( )

slot

Slot called when settings button is triggered.

Definition at line 95 of file TutorialStateCurveSelection.cpp.

{
  LOG4CPP_INFO_S ((*mainCat)) << "TutorialStateCurveSelection::slotColorFilter";
 
  context().requestDelayedStateTransition (TUTORIAL_STATE_COLOR_FILTER);
}

slotNext

void TutorialStateCurveSelection::slotNext ( )

slot

Slot called when next button is triggered.

Definition at line 102 of file TutorialStateCurveSelection.cpp.

{
  LOG4CPP_INFO_S ((*mainCat)) << "TutorialStateCurveSelection::slotNextCurves";
 
  context().requestDelayedStateTransition (TUTORIAL_STATE_CURVE_TYPE);
}

slotPrevious

void TutorialStateCurveSelection::slotPrevious ( )

slot

Slot called to return to previous panel.

Definition at line 109 of file TutorialStateCurveSelection.cpp.

{
  LOG4CPP_INFO_S ((*mainCat)) << "TutorialStateCurveSelection::slotPrevious";
 
  context().requestDelayedStateTransition (TUTORIAL_STATE_AXIS_POINTS);
}

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

• Tutorial/TutorialStateCurveSelection.h
• Tutorial/TutorialStateCurveSelection.cpp