Engauge Digitizer 2
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Public Member Functions | List of all members
DigitizeStatePointMatch Class Reference

Digitizing state for matching Curve Points, one at a time. More...

#include <DigitizeStatePointMatch.h>

Inheritance diagram for DigitizeStatePointMatch:
Inheritance graph
Collaboration diagram for DigitizeStatePointMatch:
Collaboration graph

Public Member Functions

 DigitizeStatePointMatch (DigitizeStateContext &context)
 Single constructor.
 
virtual ~DigitizeStatePointMatch ()
 
virtual QString activeCurve () const
 Name of the active Curve. This can include AXIS_CURVE_NAME.
 
virtual void begin (CmdMediator *cmdMediator, DigitizeState previousState)
 Method that is called at the exact moment a state is entered.
 
virtual bool canPaste (const Transformation &transformation, const QSize &viewSize) const
 Return true if there is good data in the clipboard for pasting, and that is compatible with the current state.
 
virtual QCursor cursor (CmdMediator *cmdMediator) const
 Returns the state-specific cursor shape.
 
virtual void end ()
 Method that is called at the exact moment a state is exited. Typically called just before begin for the next state.
 
virtual void handleContextMenuEventAxis (CmdMediator *cmdMediator, const QString &pointIdentifier)
 Handle a right click, on an axis point, that was intercepted earlier.
 
virtual void handleContextMenuEventGraph (CmdMediator *cmdMediator, const QStringList &pointIdentifiers)
 Handle a right click, on a graph point, that was intercepted earlier.
 
virtual void handleCurveChange (CmdMediator *cmdMediator)
 Handle the selection of a new curve. At a minimum, DigitizeStateSegment will generate a new set of Segments.
 
virtual void handleKeyPress (CmdMediator *cmdMediator, Qt::Key key, bool atLeastOneSelectedItem)
 Handle a key press that was intercepted earlier.
 
virtual void handleMouseMove (CmdMediator *cmdMediator, QPointF posScreen)
 Handle a mouse move. This is part of an experiment to see if augmenting the cursor in Point Match mode is worthwhile.
 
virtual void handleMousePress (CmdMediator *cmdMediator, QPointF posScreen)
 Handle a mouse press that was intercepted earlier.
 
virtual void handleMouseRelease (CmdMediator *cmdMediator, QPointF posScreen)
 Handle a mouse release that was intercepted earlier.
 
virtual QString state () const
 State name for debugging.
 
virtual void updateAfterPointAddition ()
 Update graphics attributes after possible new points. This is useful for highlight opacity.
 
virtual void updateModelDigitizeCurve (CmdMediator *cmdMediator, const DocumentModelDigitizeCurve &modelDigitizeCurve)
 Update the digitize curve settings.
 
virtual void updateModelSegments (const DocumentModelSegments &modelSegments)
 Update the segments given the new settings.
 
- Public Member Functions inherited from DigitizeStateAbstractBase
 DigitizeStateAbstractBase (DigitizeStateContext &context)
 Single constructor.
 
virtual ~DigitizeStateAbstractBase ()
 
DigitizeStateContextcontext ()
 Reference to the DigitizeStateContext that contains all the DigitizeStateAbstractBase subclasses, without const.
 
const DigitizeStateContextcontext () const
 Reference to the DigitizeStateContext that contains all the DigitizeStateAbstractBase subclasses, without const.
 
void setCursor (CmdMediator *cmdMediator)
 Update the cursor according to the current state.
 

Additional Inherited Members

- Protected Member Functions inherited from DigitizeStateAbstractBase
bool canPasteProtected (const Transformation &transformation, const QSize &viewSize) const
 Protected version of canPaste method. Some, but not all, leaf classes use this method.
 

Detailed Description

Digitizing state for matching Curve Points, one at a time.

Definition at line 21 of file DigitizeStatePointMatch.h.

Constructor & Destructor Documentation

◆ DigitizeStatePointMatch()

DigitizeStatePointMatch::DigitizeStatePointMatch ( DigitizeStateContext & context)

Single constructor.

Definition at line 36 of file DigitizeStatePointMatch.cpp.

36 :
38 m_outline (nullptr),
39 m_candidatePoint (nullptr)
40{
41}
Base class for all digitizing states. This serves as an interface to DigitizeStateContext.
DigitizeStateContext & context()
Reference to the DigitizeStateContext that contains all the DigitizeStateAbstractBase subclasses,...

◆ ~DigitizeStatePointMatch()

DigitizeStatePointMatch::~DigitizeStatePointMatch ( )
virtual

Definition at line 43 of file DigitizeStatePointMatch.cpp.

44{
45}

Member Function Documentation

◆ activeCurve()

QString DigitizeStatePointMatch::activeCurve ( ) const
virtual

Name of the active Curve. This can include AXIS_CURVE_NAME.

Implements DigitizeStateAbstractBase.

Definition at line 47 of file DigitizeStatePointMatch.cpp.

48{
50}
MainWindow & mainWindow()
Reference to the MainWindow, without const.
QString selectedGraphCurve() const
Curve name that is currently selected in m_cmbCurve.

◆ begin()

void DigitizeStatePointMatch::begin ( CmdMediator * cmdMediator,
DigitizeState previousState )
virtual

Method that is called at the exact moment a state is entered.

Typically called just after end for the previous state. The previousState value is used by DigitizeStateColorPicker to return to the previous state

Implements DigitizeStateAbstractBase.

Definition at line 52 of file DigitizeStatePointMatch.cpp.

54{
55 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStatePointMatch::begin";
56
57 setCursor(cmdMediator);
58 context().setDragMode(QGraphicsView::NoDrag);
60
61 // Add outline that will move with the cursor
62 m_outline = new QGraphicsEllipseItem ();
63 context().mainWindow().scene().addItem (m_outline);
64 m_outline->setPen (QPen (Qt::black));
65 m_outline->setVisible (true);
66 m_outline->setZValue (Z_VALUE);
67}
const double Z_VALUE
const int INNER_RADIUS_MIN
log4cpp::Category * mainCat
Definition Logger.cpp:14
void setCursor(CmdMediator *cmdMediator)
Update the cursor according to the current state.
void setDragMode(QGraphicsView::DragMode dragMode)
Set QGraphicsView drag mode (in m_view). Called from DigitizeStateAbstractBase subclasses.
virtual QString activeCurve() const
Name of the active Curve. This can include AXIS_CURVE_NAME.
void updateViewsOfSettings(const QString &activeCurve)
Update curve-specific view of settings. Private version gets active curve name from DigitizeStateCont...
GraphicsScene & scene()
Scene container for the QImage and QGraphicsItems.
#define LOG4CPP_INFO_S(logger)
Definition convenience.h:18

◆ canPaste()

bool DigitizeStatePointMatch::canPaste ( const Transformation & transformation,
const QSize & viewSize ) const
virtual

Return true if there is good data in the clipboard for pasting, and that is compatible with the current state.

Implements DigitizeStateAbstractBase.

Definition at line 69 of file DigitizeStatePointMatch.cpp.

71{
72 return canPasteProtected (transformation,
73 viewSize);
74}
bool canPasteProtected(const Transformation &transformation, const QSize &viewSize) const
Protected version of canPaste method. Some, but not all, leaf classes use this method.

◆ cursor()

QCursor DigitizeStatePointMatch::cursor ( CmdMediator * cmdMediator) const
virtual

Returns the state-specific cursor shape.

Implements DigitizeStateAbstractBase.

Definition at line 123 of file DigitizeStatePointMatch.cpp.

124{
125 LOG4CPP_DEBUG_S ((*mainCat)) << "DigitizeStatePointMatch::cursor";
126
127 return QCursor (Qt::ArrowCursor);
128}
#define LOG4CPP_DEBUG_S(logger)
Definition convenience.h:20

◆ end()

void DigitizeStatePointMatch::end ( )
virtual

Method that is called at the exact moment a state is exited. Typically called just before begin for the next state.

Implements DigitizeStateAbstractBase.

Definition at line 130 of file DigitizeStatePointMatch.cpp.

131{
132 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStatePointMatch::end";
133
134 // Remove candidate point which may or may not exist at this point
136
137 // Remove outline before leaving state
138 ENGAUGE_CHECK_PTR (m_outline);
139 context().mainWindow().scene().removeItem (m_outline);
140 m_outline = nullptr;
141}
#define ENGAUGE_CHECK_PTR(ptr)
#endif
void removeTemporaryPointIfExists()
Remove temporary point if it exists.

◆ handleContextMenuEventAxis()

void DigitizeStatePointMatch::handleContextMenuEventAxis ( CmdMediator * cmdMediator,
const QString & pointIdentifier )
virtual

Handle a right click, on an axis point, that was intercepted earlier.

Implements DigitizeStateAbstractBase.

Definition at line 182 of file DigitizeStatePointMatch.cpp.

184{
185 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStatePointMatch::handleContextMenuEventAxis "
186 << " point=" << pointIdentifier.toLatin1 ().data ();
187}

◆ handleContextMenuEventGraph()

void DigitizeStatePointMatch::handleContextMenuEventGraph ( CmdMediator * cmdMediator,
const QStringList & pointIdentifiers )
virtual

Handle a right click, on a graph point, that was intercepted earlier.

Implements DigitizeStateAbstractBase.

Definition at line 189 of file DigitizeStatePointMatch.cpp.

191{
192 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStatePointMatch ::handleContextMenuEventGraph "
193 << "points=" << pointIdentifiers.join(",").toLatin1 ().data ();
194}

◆ handleCurveChange()

void DigitizeStatePointMatch::handleCurveChange ( CmdMediator * cmdMediator)
virtual

Handle the selection of a new curve. At a minimum, DigitizeStateSegment will generate a new set of Segments.

Implements DigitizeStateAbstractBase.

Definition at line 196 of file DigitizeStatePointMatch.cpp.

197{
198 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStatePointMatch::handleCurveChange";
199}

◆ handleKeyPress()

void DigitizeStatePointMatch::handleKeyPress ( CmdMediator * cmdMediator,
Qt::Key key,
bool atLeastOneSelectedItem )
virtual

Handle a key press that was intercepted earlier.

Implements DigitizeStateAbstractBase.

Definition at line 201 of file DigitizeStatePointMatch.cpp.

204{
205 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStatePointMatch::handleKeyPress"
206 << " key=" << QKeySequence (key).toString ().toLatin1 ().data ();
207
208 // The selected key button has to be compatible with GraphicsView::keyPressEvent
209 if (key == Qt::Key_Right) {
210
211 promoteCandidatePointToPermanentPoint (cmdMediator); // This removes the current temporary point
212
213 popCandidatePoint(cmdMediator); // This creates a new temporary point
214
215 }
216}

◆ handleMouseMove()

void DigitizeStatePointMatch::handleMouseMove ( CmdMediator * cmdMediator,
QPointF posScreen )
virtual

Handle a mouse move. This is part of an experiment to see if augmenting the cursor in Point Match mode is worthwhile.

Implements DigitizeStateAbstractBase.

Definition at line 218 of file DigitizeStatePointMatch.cpp.

220{
221// LOG4CPP_DEBUG_S ((*mainCat)) << "DigitizeStatePointMatch::handleMouseMove";
222
223 const DocumentModelPointMatch &modelPointMatch = cmdMediator->document().modelPointMatch();
224
225 m_outline->setRect (posScreen.x() - modelPointMatch.maxPointSize() / 2.0,
226 posScreen.y() - modelPointMatch.maxPointSize() / 2.0,
227 modelPointMatch.maxPointSize(),
228 modelPointMatch.maxPointSize());
229
231 int radiusLimit = cmdMediator->document().modelGeneral().cursorSize();
232 bool pixelShouldBeOn = pixelIsOnInImage (img,
233 qFloor (posScreen.x()),
234 qFloor (posScreen.y()),
236
237 QColor penColorIs = m_outline->pen().color();
238 bool pixelIsOn = (penColorIs.red () != penColorIs.green()); // Considered on if not gray scale
239 if (pixelShouldBeOn != pixelIsOn) {
241 m_outline->setPen (QPen (penColorShouldBe));
242 }
243}
Document & document()
Provide the Document to commands, primarily for undo/redo processing.
int cursorSize() const
Get method for effective cursor size.
Model for DlgSettingsPointMatch and CmdSettingsPointMatch.
double maxPointSize() const
Get method for max point size.
DocumentModelGeneral modelGeneral() const
Get method for DocumentModelGeneral.
Definition Document.cpp:723
DocumentModelPointMatch modelPointMatch() const
Get method for DocumentModelPointMatch.
Definition Document.cpp:744
QImage imageFiltered() const
Background image that has been filtered for the current curve. This asserts if a curve-specific image...

◆ handleMousePress()

void DigitizeStatePointMatch::handleMousePress ( CmdMediator * cmdMediator,
QPointF pos )
virtual

Handle a mouse press that was intercepted earlier.

Implements DigitizeStateAbstractBase.

Definition at line 245 of file DigitizeStatePointMatch.cpp.

247{
248 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStatePointMatch::handleMousePress";
249}

◆ handleMouseRelease()

void DigitizeStatePointMatch::handleMouseRelease ( CmdMediator * cmdMediator,
QPointF pos )
virtual

Handle a mouse release that was intercepted earlier.

Implements DigitizeStateAbstractBase.

Definition at line 251 of file DigitizeStatePointMatch.cpp.

253{
254 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStatePointMatch::handleMouseRelease";
255
256 createPermanentPoint (cmdMediator,
257 posScreen);
258
259 findPointsAndShowFirstCandidate (cmdMediator,
260 posScreen);
261}

◆ state()

QString DigitizeStatePointMatch::state ( ) const
virtual

State name for debugging.

Implements DigitizeStateAbstractBase.

Definition at line 362 of file DigitizeStatePointMatch.cpp.

363{
364 return "DigitizeStatePointMatch";
365}

◆ updateAfterPointAddition()

void DigitizeStatePointMatch::updateAfterPointAddition ( )
virtual

Update graphics attributes after possible new points. This is useful for highlight opacity.

Implements DigitizeStateAbstractBase.

Definition at line 367 of file DigitizeStatePointMatch.cpp.

368{
369 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStatePointMatch::updateAfterPointAddition";
370}

◆ updateModelDigitizeCurve()

void DigitizeStatePointMatch::updateModelDigitizeCurve ( CmdMediator * cmdMediator,
const DocumentModelDigitizeCurve & modelDigitizeCurve )
virtual

Update the digitize curve settings.

Implements DigitizeStateAbstractBase.

Definition at line 372 of file DigitizeStatePointMatch.cpp.

374{
375 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStatePointMatch::updateModelDigitizeCurve";
376}

◆ updateModelSegments()

void DigitizeStatePointMatch::updateModelSegments ( const DocumentModelSegments & modelSegments)
virtual

Update the segments given the new settings.

Implements DigitizeStateAbstractBase.

Definition at line 378 of file DigitizeStatePointMatch.cpp.

379{
380 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStatePointMatch::updateModelSegments";
381}

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