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

Digitizing state for digitizing one axis point at a time. More...

#include <DigitizeStateAxis.h>

Inheritance diagram for DigitizeStateAxis:
Inheritance graph
Collaboration diagram for DigitizeStateAxis:
Collaboration graph

Public Member Functions

 DigitizeStateAxis (DigitizeStateContext &context)
 Single constructor.
 
virtual ~DigitizeStateAxis ()
 
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 digitizing one axis point at a time.

Once three axis points are defined, those points define an affine transformation from pixel screen coordinates to graph coordinates.

Definition at line 14 of file DigitizeStateAxis.h.

Constructor & Destructor Documentation

◆ DigitizeStateAxis()

DigitizeStateAxis::DigitizeStateAxis ( DigitizeStateContext & context)

Single constructor.

Definition at line 24 of file DigitizeStateAxis.cpp.

24 :
26{
27}
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,...

◆ ~DigitizeStateAxis()

DigitizeStateAxis::~DigitizeStateAxis ( )
virtual

Definition at line 29 of file DigitizeStateAxis.cpp.

30{
31}

Member Function Documentation

◆ activeCurve()

QString DigitizeStateAxis::activeCurve ( ) const
virtual

Name of the active Curve. This can include AXIS_CURVE_NAME.

Implements DigitizeStateAbstractBase.

Definition at line 33 of file DigitizeStateAxis.cpp.

34{
35 return AXIS_CURVE_NAME;
36}
const QString AXIS_CURVE_NAME

◆ begin()

void DigitizeStateAxis::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 38 of file DigitizeStateAxis.cpp.

40{
41 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateAxis::begin";
42
43 setCursor(cmdMediator);
44 context().setDragMode(QGraphicsView::NoDrag);
46}
log4cpp::Category * mainCat
Definition Logger.cpp:14
void setCursor(CmdMediator *cmdMediator)
Update the cursor according to the current state.
virtual QString activeCurve() const
Name of the active Curve. This can include AXIS_CURVE_NAME.
void setDragMode(QGraphicsView::DragMode dragMode)
Set QGraphicsView drag mode (in m_view). Called from DigitizeStateAbstractBase subclasses.
MainWindow & mainWindow()
Reference to the MainWindow, without const.
void updateViewsOfSettings(const QString &activeCurve)
Update curve-specific view of settings. Private version gets active curve name from DigitizeStateCont...
#define LOG4CPP_INFO_S(logger)
Definition convenience.h:18

◆ canPaste()

bool DigitizeStateAxis::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 48 of file DigitizeStateAxis.cpp.

50{
51 return false;
52}

◆ cursor()

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

Returns the state-specific cursor shape.

Implements DigitizeStateAbstractBase.

Definition at line 73 of file DigitizeStateAxis.cpp.

74{
75 LOG4CPP_DEBUG_S ((*mainCat)) << "DigitizeStateAxis::cursor";
76
79
80 return cursor;
81}
const int INNER_RADIUS_MIN
Document & document()
Provide the Document to commands, primarily for undo/redo processing.
Create standard cross cursor, or custom cursor, according to settings.
QCursor generate(const DocumentModelDigitizeCurve &modelDigitizeCurve) const
Factory method to generate standard or custom cursor.
virtual QCursor cursor(CmdMediator *cmdMediator) const
Returns the state-specific cursor shape.
DocumentModelDigitizeCurve modelDigitizeCurve() const
Get method for DocumentModelDigitizeCurve.
Definition Document.cpp:709
#define LOG4CPP_DEBUG_S(logger)
Definition convenience.h:20

◆ end()

void DigitizeStateAxis::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 83 of file DigitizeStateAxis.cpp.

84{
85 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateAxis::end";
86}

◆ handleContextMenuEventAxis()

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

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

Implements DigitizeStateAbstractBase.

Definition at line 88 of file DigitizeStateAxis.cpp.

90{
91 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateAxis::handleContextMenuEventAxis "
92 << " point=" << pointIdentifier.toLatin1 ().data ();
93}

◆ handleContextMenuEventGraph()

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

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

Implements DigitizeStateAbstractBase.

Definition at line 95 of file DigitizeStateAxis.cpp.

97{
98 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateAxis::handleContextMenuEventGraph "
99 << "points=" << pointIdentifiers.join(",").toLatin1 ().data ();
100}

◆ handleCurveChange()

void DigitizeStateAxis::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 102 of file DigitizeStateAxis.cpp.

103{
104 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateAxis::handleCurveChange";
105}

◆ handleKeyPress()

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

Handle a key press that was intercepted earlier.

Implements DigitizeStateAbstractBase.

Definition at line 107 of file DigitizeStateAxis.cpp.

110{
111 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateAxis::handleKeyPress"
112 << " key=" << QKeySequence (key).toString ().toLatin1 ().data ();
113}

◆ handleMouseMove()

void DigitizeStateAxis::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 115 of file DigitizeStateAxis.cpp.

117{
118// LOG4CPP_DEBUG_S ((*mainCat)) << "DigitizeStateAxis::handleMouseMove";
119}

◆ handleMousePress()

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

Handle a mouse press that was intercepted earlier.

Implements DigitizeStateAbstractBase.

Definition at line 121 of file DigitizeStateAxis.cpp.

123{
124 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateAxis::handleMousePress";
125}

◆ handleMouseRelease()

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

Handle a mouse release that was intercepted earlier.

Implements DigitizeStateAbstractBase.

Definition at line 127 of file DigitizeStateAxis.cpp.

129{
130 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateAxis::handleMouseRelease";
131
132 if (context().mainWindow().transformIsDefined()) {
133
134 QMessageBox::warning (nullptr,
135 QObject::tr ("Engauge Digitizer"),
136 QObject::tr ("Three axis points have been defined, and no more are needed or allowed."));
137
138 } else {
139
140 createTemporaryPoint (cmdMediator,
141 posScreen);
142
143 // Ask user for coordinates
144 DlgEditPointAxis *dlg = new DlgEditPointAxis (context ().mainWindow (),
145 cmdMediator->document().modelCoords(),
146 cmdMediator->document().modelGeneral(),
147 context().mainWindow().modelMainWindow(),
148 context().mainWindow().transformation(),
149 cmdMediator->document().documentAxesPointsRequired());
150 int rtn = dlg->exec ();
151
152 bool isXOnly;
153 QPointF posGraph = dlg->posGraph (isXOnly);
154 delete dlg;
155
156 // Remove temporary point
158
159 if (rtn == QDialog::Accepted) {
160
161 // User wants to add this axis point, but let's perform sanity checks first
162
163 bool isError;
164 QString errorMessage;
165 int nextOrdinal = cmdMediator->document().nextOrdinalForCurve(AXIS_CURVE_NAME);
166
167 cmdMediator->document().checkAddPointAxis(posScreen,
168 posGraph,
169 isError,
170 errorMessage,
171 isXOnly);
172
173 if (isError) {
174
175 QMessageBox::warning (nullptr,
176 QObject::tr ("Engauge Digitizer"),
177 errorMessage);
178
179 } else {
180
181 // Create command to add point
182 Document &document = cmdMediator->document ();
183 QUndoCommand *cmd = new CmdAddPointAxis (context ().mainWindow(),
184 document,
185 posScreen,
186 posGraph,
187 nextOrdinal,
188 isXOnly);
189 context().appendNewCmd(cmdMediator,
190 cmd);
191 }
192 }
193 }
194}
Command for adding one axis point.
void appendNewCmd(CmdMediator *cmdMediator, QUndoCommand *cmd)
Append just-created QUndoCommand to command stack. This is called from DigitizeStateAbstractBase subc...
Dialog box for editing the information of one axis point, in a graph with two axes.
Storage of one imported image and the data attached to that image.
Definition Document.h:42
DocumentModelGeneral modelGeneral() const
Get method for DocumentModelGeneral.
Definition Document.cpp:723
int nextOrdinalForCurve(const QString &curveName) const
Default next ordinal value for specified curve.
Definition Document.cpp:765
DocumentModelCoords modelCoords() const
Get method for DocumentModelCoords.
Definition Document.cpp:695
DocumentAxesPointsRequired documentAxesPointsRequired() const
Get method for DocumentAxesPointsRequired.
Definition Document.cpp:363
void checkAddPointAxis(const QPointF &posScreen, const QPointF &posGraph, bool &isError, QString &errorMessage, bool isXOnly)
Check before calling addPointAxis. Also returns the next available ordinal number (to prevent clashes...
Definition Document.cpp:268
void removePoint(const QString &identifier)
Remove specified point. This aborts if the point does not exist.
GraphicsScene & scene()
Scene container for the QImage and QGraphicsItems.
static QString temporaryPointIdentifier()
Point identifier for temporary point that is used by DigitzeStateAxis.
Definition Point.cpp:519

◆ state()

QString DigitizeStateAxis::state ( ) const
virtual

State name for debugging.

Implements DigitizeStateAbstractBase.

Definition at line 196 of file DigitizeStateAxis.cpp.

197{
198 return "DigitizeStateAxis";
199}

◆ updateAfterPointAddition()

void DigitizeStateAxis::updateAfterPointAddition ( )
virtual

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

Implements DigitizeStateAbstractBase.

Definition at line 201 of file DigitizeStateAxis.cpp.

202{
203 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateAxis::updateAfterPointAddition";
204}

◆ updateModelDigitizeCurve()

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

Update the digitize curve settings.

Implements DigitizeStateAbstractBase.

Definition at line 206 of file DigitizeStateAxis.cpp.

208{
209 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateAxis::updateModelDigitizeCurve";
210
211 setCursor(cmdMediator);
212}

◆ updateModelSegments()

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

Update the segments given the new settings.

Implements DigitizeStateAbstractBase.

Definition at line 214 of file DigitizeStateAxis.cpp.

215{
216 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateAxis::updateModelSegments";
217}

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