TutorialStateColorFilter Class Reference

Color filter panel discusses the curve-specific color filtering. More...

#include <TutorialStateColorFilter.h>

Inheritance diagram for TutorialStateColorFilter:

Collaboration diagram for TutorialStateColorFilter:

Public Slots
void	slotBack ()
	Slot called to return to previous panel.

Public Member Functions
	TutorialStateColorFilter (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

Color filter panel discusses the curve-specific color filtering.

Definition at line 18 of file TutorialStateColorFilter.h.

Constructor & Destructor Documentation

TutorialStateColorFilter()

TutorialStateColorFilter::TutorialStateColorFilter

(

TutorialStateContext &

context

)

Single constructor.

Definition at line 17 of file TutorialStateColorFilter.cpp.

                                                                                 : 
  TutorialStateAbstractBase (context),
  m_title (nullptr),
  m_background (nullptr),
  m_text0 (nullptr),
  m_text1 (nullptr),
  m_text2 (nullptr),
  m_text3 (nullptr),
  m_text4 (nullptr),
  m_back (nullptr)
{
  LOG4CPP_INFO_S ((*mainCat)) << "TutorialStateColorFilter::TutorialStateColorFilter";
}

Member Function Documentation

begin()

void TutorialStateColorFilter::begin ( )

virtual

Transition into this state.

Implements TutorialStateAbstractBase.

Definition at line 31 of file TutorialStateColorFilter.cpp.

{
  LOG4CPP_INFO_S ((*mainCat)) << "TutorialStateColorFilter::begin ()";
 
  context().tutorialDlg().scene().clear ();
 
  m_title = createTitle (tr ("Color Filter"));
  m_background = createPixmapItem (":/engauge/img/panel_color_filter.png",
                                   QPoint (0, 30));
  m_text0 = createTextItem (tr ("Each curve has Color Filter settings that\n"
                                "are applied in Segment Fill mode. For\n"
                                "black lines the defaults work well, but for\n"
                                "colored lines the settings can be improved."),
                            QPoint (260, 30));
  m_text1 = createTextItem (tr ("Step 1 - Select the Settings / Color\n"
                                "Filter menu option."),
                            QPoint (285, 115));
  m_text2 = createTextItem (tr ("Step 2 - Select the curve that will\n"
                                "be given the new settings."),
                            QPoint (285, 165));
  m_text3 = createTextItem (tr ("Step 3 - Select the mode. Intensity is\n"
                                "suggested for uncolored lines, and Hue\n"
                                "is suggested for colored lines."),
                            QPoint (285, 210));
  m_text4 = createTextItem (tr ("Step 4 - Adjust the included range by\n"
                                "dragging the green handles, until the\n"
                                "curve is clear in the preview window\n"
                                "below. The graph shows a histogram\n"
                                "distribution of the values underneath.\n"
                                "Click Ok when finished."),
                            QPoint (285, 280));
 
  QSize backgroundSize = context().tutorialDlg().backgroundSize();
 
  m_back = new TutorialButton (tr ("Back"),
                               context().tutorialDlg().scene());
  m_back->setGeometry (QPoint (backgroundSize.width () / 2 - m_back->size().width () / 2,
                               backgroundSize.height() - buttonMargin() - m_back->size().height()));
  connect (m_back, SIGNAL (signalTriggered ()), this, SLOT (slotBack ()));
}

end()

void TutorialStateColorFilter::end ( )

virtual

Transition out of this state.

Implements TutorialStateAbstractBase.

Definition at line 72 of file TutorialStateColorFilter.cpp.

{
  LOG4CPP_INFO_S ((*mainCat)) << "TutorialStateColorFilter::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()
}

slotBack

void TutorialStateColorFilter::slotBack ( )

slot

Slot called to return to previous panel.

Definition at line 80 of file TutorialStateColorFilter.cpp.

{
  LOG4CPP_INFO_S ((*mainCat)) << "TutorialStateColorFilter::slotBack";
 
  context().requestDelayedStateTransition (TUTORIAL_STATE_CURVE_SELECTION);
}

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

• Tutorial/TutorialStateColorFilter.h
• Tutorial/TutorialStateColorFilter.cpp