JKQTPlotter trunk/v5.0.0
an extensive Qt5+Qt6 Plotter framework (including a feature-richt plotter widget, a speed-optimized, but limited variant and a LaTeX equation renderer!), written fully in C/C++ and without external dependencies
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This virtual JKQTPPlotAnnotationElement descendent may be used to display a single symbol (marker). More...

#include <jkqtpgeoannotations.h>

Inheritance diagram for JKQTPGeoSymbol:
[legend]
Collaboration diagram for JKQTPGeoSymbol:
[legend]

Public Slots

virtual void setColor (QColor c)
void setP (const QPointF &p)
 set x and y at the same time
void setX (double __value)
 x-position (in plot coordinates) of the symbol (symbol center)
void setY (double __value)
 y-position (in plot coordinates) of the symbol (symbol center)
Public Slots inherited from JKQTPPlotElement
void setHighlighted (bool __value)
 sets whether the graph is drawn in a highlighted style in the plot
virtual void setTitle (const QString &__value)
 sets the title of the plot (for display in key!).
void setVisible (bool __value)
 sets whether the graph is visible in the plot

Public Member Functions

 JKQTPGeoSymbol (JKQTBasePlotter *parent, double x, double y)
 class contructor
 JKQTPGeoSymbol (JKQTBasePlotter *parent, double x, double y, JKQTPGraphSymbols symbol)
 class contructor
 JKQTPGeoSymbol (JKQTBasePlotter *parent, double x, double y, JKQTPGraphSymbols symbol, double symbolSize)
 class contructor
 JKQTPGeoSymbol (JKQTBasePlotter *parent, double x, double y, JKQTPGraphSymbols symbol, double symbolSize, QColor color)
 class contructor
 JKQTPGeoSymbol (JKQTBasePlotter *parent, double x, double y, JKQTPGraphSymbols symbol, double symbolSize, QColor color, QColor fillColor)
 class contructor
 JKQTPGeoSymbol (JKQTPlotter *parent, double x, double y)
 class contructor
 JKQTPGeoSymbol (JKQTPlotter *parent, double x, double y, JKQTPGraphSymbols symbol)
 class contructor
 JKQTPGeoSymbol (JKQTPlotter *parent, double x, double y, JKQTPGraphSymbols symbol, double symbolSize)
 class contructor
 JKQTPGeoSymbol (JKQTPlotter *parent, double x, double y, JKQTPGraphSymbols symbol, double symbolSize, QColor color)
 class contructor
 JKQTPGeoSymbol (JKQTPlotter *parent, double x, double y, JKQTPGraphSymbols symbol, double symbolSize, QColor color, QColor fillColor)
 class contructor
virtual void draw (JKQTPEnhancedPainter &painter) override
 plots the graph to the plotter object specified as parent
virtual void drawKeyMarker (JKQTPEnhancedPainter &painter, const QRectF &rect) override
 plots a key marker inside the specified rectangle rect
virtual QColor getKeyLabelColor () const override
 returns the color to be used for the key label
QPointF getP () const
 returns x and y at the same time
double getX () const
 x-position (in plot coordinates) of the symbol (symbol center)
virtual bool getXMinMax (double &minx, double &maxx, double &smallestGreaterZero) override
 get the maximum and minimum x-value of the graph
double getY () const
 y-position (in plot coordinates) of the symbol (symbol center)
virtual bool getYMinMax (double &miny, double &maxy, double &smallestGreaterZero) override
 get the maximum and minimum y-value of the graph
Public Member Functions inherited from JKQTPPlotAnnotationElement
 JKQTPPlotAnnotationElement (JKQTBasePlotter *parent=nullptr)
 class constructor
virtual ~JKQTPPlotAnnotationElement ()
 default wirtual destructor
Public Member Functions inherited from JKQTPPlotElement
 JKQTPPlotElement (JKQTBasePlotter *parent=nullptr)
 class constructor
virtual ~JKQTPPlotElement ()=default
 default wirtual destructor
QPointF backTransform (const QPointF &x) const
 tool routine that back-transforms a QPointF according to the parent's transformation rules (pixels --> plot coordinate)
QPointF backTransform (double x, double y) const
 tool routine that back-transforms a QPointF according to the parent's transformation rules (pixels --> plot coordinate)
double backtransformX (double x) const
 tool routine that backtransforms an x-coordinate (pixels --> plot coordinate) for this plot element, uses the axis referenced in xAxisRef
double backtransformY (double y) const
 tool routine that backtransforms a y-coordinate (pixels --> plot coordinate) for this plot element, uses the axis referenced in yAxisRef
virtual void drawOutside (JKQTPEnhancedPainter &painter, QRect leftSpace, QRect rightSpace, QRect topSpace, QRect bottomSpace)
 plots outside the actual plot field of view (e.g. color bars, scale bars, ...)
QImage generateKeyMarker (QSize size=QSize(16, 16))
 returns an image with a key marker inside
virtual void getOutsideSize (JKQTPEnhancedPainter &painter, int &leftSpace, int &rightSpace, int &topSpace, int &bottomSpace)
 if the graph plots outside the actual plot field of view (e.g. color bars, scale bars, ...)
JKQTBasePlottergetParent ()
 returns the parent painter class
const JKQTBasePlottergetParent () const
 returns the parent painter class
QString getTitle () const
 returns the the title of the plot
const JKQTPCoordinateAxisgetXAxis () const
 returns the actual x-Axis-object from the parent plotter, referenced in xAxisRef
JKQTPCoordinateAxisRef getXAxisRef () const
 indicates which coordinate axis to use for coordinate transforms in x-direction
const JKQTPCoordinateAxisgetYAxis () const
 returns the actual y-Axis-object from the parent plotter, referenced in yAxisRef
JKQTPCoordinateAxisRef getYAxisRef () const
 indicates which coordinate axis to use for coordinate transforms in y-direction
virtual double hitTest (const QPointF &posSystem, QPointF *closestSpotSystem=nullptr, QString *label=nullptr, HitTestMode mode=HitTestXY) const
 returns the closest distance of the plot element to the (screen pixel) position pos, or NAN
bool isHighlighted () const
 returns whether the graph is shown in a highlighted style in the plot
bool isVisible () const
 returns whether the graph is visible in the plot
void setAxes (JKQTPCoordinateAxisRef ref)
 set the coordinate axes to use for this plot element
virtual void setParent (JKQTBasePlotter *parent)
 sets the parent painter class
virtual void setParent (JKQTPlotter *parent)
 sets the parent painter class
void setXAxis (JKQTPCoordinateAxisRef ref)
 indicates which coordinate axis to use for coordinate transforms in x-direction
void setYAxis (JKQTPCoordinateAxisRef ref)
 indicates which coordinate axis to use for coordinate transforms in y-direction
QPointF transform (const QPointF &x) const
 tool routine that transforms a QPointF according to the parent's transformation rules (plot coordinate --> pixels)
QPolygonF transform (const QPolygonF &x) const
 tool routine that transforms a QPolygonF according to the parent's transformation rules (plot coordinate --> pixels)
QPointF transform (double x, double y) const
 tool routine that transforms a QPointF according to the parent's transformation rules (plot coordinate --> pixels)
QPainterPath transformToLinePath (const QPolygonF &x) const
 tool routine that transforms a QPolygonF according to the parent's transformation rules and returns a (non-closed) path consisting of lines (plot coordinate --> pixels)
QVector< double > transformX (const QVector< double > &x) const
 transform all x-coordinates in a vector x
double transformX (double x) const
 tool routine that transforms an x-coordinate (plot coordinate --> pixels) for this plot element, uses the axis referenced in xAxisRef
QVector< double > transformY (const QVector< double > &x) const
 transform all y-coordinates in a vector x
double transformY (double y) const
 tool routine that transforms a y-coordinate (plot coordinate --> pixels) for this plot element, uses the axis referenced in yAxisRef
Public Member Functions inherited from JKQTPGraphSymbolStyleMixin
 JKQTPGraphSymbolStyleMixin ()
 class constructor
virtual ~JKQTPGraphSymbolStyleMixin ()
QColor getSymbolColor () const
 set the color of the graph symbols
QColor getSymbolFillColor () const
 set the color of filling of the graph symbols
QString getSymbolFontName () const
 get the font to be used for character symbols JKQTPCharacterSymbol+QChar('').unicode()
double getSymbolLineWidth () const
 get the line width of the graph symbol outline (in pt)
double getSymbolSize () const
 get the size (=diameter in pt) of the graph symbol (in pt)
JKQTPGraphSymbols getSymbolType () const
 get the type of the graph symbol
void initSymbolStyle (JKQTBasePlotter *parent, int &parentPlotStyle, JKQTPPlotStyleType styletype=JKQTPPlotStyleType::Default)
 initiaize the symbol style (from the parent plotter)
void setSymbolAlpha (double alpha)
 set alpha-value of symbol outline and filling
void setSymbolColor (const QColor &__value)
 set the color of the graph symbols
void setSymbolColor (const QColor &__value, double alpha)
 set the color of the graph symbols
void setSymbolFillColor (const QColor &__value)
 set the color of filling of the graph symbols
void setSymbolFillColor (const QColor &__value, double alpha)
 set the color of filling of the graph symbols
void setSymbolFontName (const QString &__value)
 set the font to be used for character symbols JKQTPCharacterSymbol+QChar('').unicode()
void setSymbolLineWidth (double __value)
 set the line width of the graph symbol outline (in pt)
void setSymbolSize (double __value)
 set the size (=diameter in pt) of the graph symbol (in pt)
void setSymbolType (JKQTPGraphSymbols __value)
 set the type of the graph symbol

Protected Attributes

double x
 x-position (in plot coordinates) of the symbol (symbol center)
double y
 y-position (in plot coordinates) of the symbol (symbol center)
Protected Attributes inherited from JKQTPPlotElement
QVector< HitTestLocationm_hitTestData
 dataset with graph-points and associated data from the function hitTest()
JKQTBasePlotterparent
 the plotter object this object belongs to
int parentPlotStyle
 internal storage for the used parent plot style

Additional Inherited Members

Public Types inherited from JKQTPPlotElement
enum  HitTestMode {
  HitTestXY ,
  HitTestXOnly ,
  HitTestYOnly
}
 modes of operation for the function hitTest() More...
Protected Member Functions inherited from JKQTPPlotElement
void addHitTestData (const HitTestLocation &loc)
 clear the internal datastore for hitTest()
void addHitTestData (const QPointF &pos_, const QString &label_)
 clear the internal datastore for hitTest()
void addHitTestData (const QPointF &pos_, int index_, const QString &label_)
 clear the internal datastore for hitTest()
void addHitTestData (const QPointF &pos_, int index_=-1, const JKQTPDatastore *datastore=nullptr)
 clear the internal datastore for hitTest(), this variant uses formatHitTestDefaultLabel() to auto-generate the label
void addHitTestData (double x_, double y_, const QString &label_)
 add a new point on the graph to the internal datastore for hitTest()
void addHitTestData (double x_, double y_, int index_, const QString &label_)
 clear the internal datastore for hitTest()
void addHitTestData (double x_, double y_, int index_=-1, const JKQTPDatastore *datastore=nullptr)
 add a new point on the graph to the internal datastore for hitTest(), this variant uses formatHitTestDefaultLabel() to auto-generate the label
void clearHitTestData ()
 clear the internal datastore for hitTest()
virtual QString formatHitTestDefaultLabel (double x, double y, int index=-1, const JKQTPDatastore *datastore=nullptr) const
 tool-function for hitTest(), which formats a default label, taking into account the x- and y-position (both provided) and optionally the errors of these positions.
void reserveHitTestData (int points)
 reserve list entries for up to points graph points in the internal datastore for hitTest()
QString xFloatToString (double v, int past_comma=-1) const
 converts a x-value v into a string, taking into account the type of x-axis
QString yFloatToString (double v, int past_comma=-1) const
 converts a x-value v into a string, taking into account the type of x-axis
Protected Member Functions inherited from JKQTPGraphSymbolStyleMixin
double getKeySymbolLineWidthPx (JKQTPEnhancedPainter &painter, const QRectF &keyRect, const JKQTBasePlotter *parent, double maxSymbolSizeFracton=0.9) const
 returns the symbol linewidth for drawing symbols in a key entry with keyRect for the symbol, using painter and parent . maxSymbolSizeFracton specifies the maximum fraction of keyRect to be used for the symbol.
double getKeySymbolSizePx (JKQTPEnhancedPainter &painter, const QRectF &keyRect, const JKQTBasePlotter *parent, double maxSymbolSizeFracton=0.9) const
 returns the symbol size for drawing symbols in a key entry with keyRect for the symbol, using painter and parent . maxSymbolSizeFracton specifies the maximum fraction of keyRect to be used for the symbol.
QBrush getSymbolBrush (JKQTPEnhancedPainter &painter, JKQTBasePlotter *parent) const
 constructs a QPen from the line styling properties
QFont getSymbolFont () const
 generate a QFont for darwing symbols
QPen getSymbolPen (JKQTPEnhancedPainter &painter, JKQTBasePlotter *parent) const
 constructs a QPen from the line styling properties
void plotStyledSymbol (JKQTBasePlotter *parent, JKQTPEnhancedPainter &painter, double x, double y) const
 plot a symbol at location x,y (in painter coordinates), using the current style
void plotStyledSymbol (JKQTBasePlotter *parent, JKQTPEnhancedPainter &painter, double x, double y, double symbolSize) const
 plot a symbol at location x,y (in painter coordinates), using the current style
void plotStyledSymbol (JKQTBasePlotter *parent, JKQTPEnhancedPainter &painter, double x, double y, JKQTPGraphSymbols type) const
 plot a symbol at location x,y (in painter coordinates), using the current style
void plotStyledSymbol (JKQTBasePlotter *parent, JKQTPEnhancedPainter &painter, double x, double y, QColor color, QColor fillColor) const
 plot a symbol at location x,y (in painter coordinates), using the current style
Properties inherited from JKQTPPlotElement
bool highlighted
 indicates whether the graph is shown in a "highlghted" in the plot
QString title
 title of the plot (for display in key!). If no title is supplied, no key entry is drawn.
bool visible
 indicates whether the graph is visible in the plot
JKQTPCoordinateAxisRef xAxisRef
 indicates which coordinate axis to use for coordinate transforms in x-direction
JKQTPCoordinateAxisRef yAxisRef
 indicates which coordinate axis to use for coordinate transforms in y-direction
Properties inherited from JKQTPGraphSymbolStyleMixin
QColor symbolColor
QColor symbolFillColor
QString symbolFontName
double symbolLineWidth
double symbolSize
JKQTPGraphSymbols symbolType

Detailed Description

This virtual JKQTPPlotAnnotationElement descendent may be used to display a single symbol (marker).

See also
Example (JKQTPlotter): Plotting Geometric Objects

Constructor & Destructor Documentation

◆ JKQTPGeoSymbol() [1/10]

JKQTPGeoSymbol::JKQTPGeoSymbol ( JKQTBasePlotter * parent,
double x,
double y,
JKQTPGraphSymbols symbol,
double symbolSize )

class contructor

Parameters
parentparent plotter widget
xx-coordinate of symbol center
yy-coordinate of symbol center
symbolsymbol type
symbolSizesize of the symbol in pt

◆ JKQTPGeoSymbol() [2/10]

JKQTPGeoSymbol::JKQTPGeoSymbol ( JKQTPlotter * parent,
double x,
double y,
JKQTPGraphSymbols symbol,
double symbolSize )

class contructor

Parameters
parentparent plotter widget
xx-coordinate of symbol center
yy-coordinate of symbol center
symbolsymbol type
symbolSizesize of the symbol in pt

◆ JKQTPGeoSymbol() [3/10]

JKQTPGeoSymbol::JKQTPGeoSymbol ( JKQTBasePlotter * parent,
double x,
double y,
JKQTPGraphSymbols symbol,
double symbolSize,
QColor color,
QColor fillColor )

class contructor

Parameters
parentparent plotter widget
xx-coordinate of symbol center
yy-coordinate of symbol center
symbolsymbol type
symbolSizesize of the symbol in pt
colorcolor of drawing
fillColorfill color of the symbol (if filled)

◆ JKQTPGeoSymbol() [4/10]

JKQTPGeoSymbol::JKQTPGeoSymbol ( JKQTPlotter * parent,
double x,
double y,
JKQTPGraphSymbols symbol,
double symbolSize,
QColor color,
QColor fillColor )

class contructor

Parameters
parentparent plotter widget
xx-coordinate of symbol center
yy-coordinate of symbol center
symbolsymbol type
symbolSizesize of the symbol in pt
colorcolor of drawing
fillColorfill color of the symbol (if filled)

◆ JKQTPGeoSymbol() [5/10]

JKQTPGeoSymbol::JKQTPGeoSymbol ( JKQTBasePlotter * parent,
double x,
double y,
JKQTPGraphSymbols symbol,
double symbolSize,
QColor color )

class contructor

Parameters
parentparent plotter widget
xx-coordinate of symbol center
yy-coordinate of symbol center
symbolsymbol type
symbolSizesize of the symbol in pt
colorcolor of drawing

◆ JKQTPGeoSymbol() [6/10]

JKQTPGeoSymbol::JKQTPGeoSymbol ( JKQTPlotter * parent,
double x,
double y,
JKQTPGraphSymbols symbol,
double symbolSize,
QColor color )

class contructor

Parameters
parentparent plotter widget
xx-coordinate of symbol center
yy-coordinate of symbol center
symbolsymbol type
symbolSizesize of the symbol in pt
colorcolor of drawing

◆ JKQTPGeoSymbol() [7/10]

JKQTPGeoSymbol::JKQTPGeoSymbol ( JKQTBasePlotter * parent,
double x,
double y,
JKQTPGraphSymbols symbol )

class contructor

Parameters
parentparent plotter widget
xx-coordinate of symbol center
yy-coordinate of symbol center
symbolsymbol type

◆ JKQTPGeoSymbol() [8/10]

JKQTPGeoSymbol::JKQTPGeoSymbol ( JKQTPlotter * parent,
double x,
double y,
JKQTPGraphSymbols symbol )

class contructor

Parameters
parentparent plotter widget
xx-coordinate of symbol center
yy-coordinate of symbol center
symbolsymbol type

◆ JKQTPGeoSymbol() [9/10]

JKQTPGeoSymbol::JKQTPGeoSymbol ( JKQTBasePlotter * parent,
double x,
double y )

class contructor

Parameters
parentparent plotter widget
xx-coordinate of symbol center
yy-coordinate of symbol center

◆ JKQTPGeoSymbol() [10/10]

JKQTPGeoSymbol::JKQTPGeoSymbol ( JKQTPlotter * parent,
double x,
double y )

class contructor

Parameters
parentparent plotter widget
xx-coordinate of symbol center
yy-coordinate of symbol center

Member Function Documentation

◆ draw()

virtual void JKQTPGeoSymbol::draw ( JKQTPEnhancedPainter & painter)
overridevirtual

plots the graph to the plotter object specified as parent

Implements JKQTPPlotElement.

◆ drawKeyMarker()

virtual void JKQTPGeoSymbol::drawKeyMarker ( JKQTPEnhancedPainter & painter,
const QRectF & rect )
overridevirtual

plots a key marker inside the specified rectangle rect

Implements JKQTPPlotElement.

◆ getKeyLabelColor()

virtual QColor JKQTPGeoSymbol::getKeyLabelColor ( ) const
overridevirtual

returns the color to be used for the key label

Implements JKQTPPlotElement.

◆ getP()

QPointF JKQTPGeoSymbol::getP ( ) const

returns x and y at the same time

See also
x, y

◆ getX()

double JKQTPGeoSymbol::getX ( ) const

x-position (in plot coordinates) of the symbol (symbol center)

◆ getXMinMax()

virtual bool JKQTPGeoSymbol::getXMinMax ( double & minx,
double & maxx,
double & smallestGreaterZero )
overridevirtual

get the maximum and minimum x-value of the graph

The result is given in the two parameters which are call-by-reference parameters!

Parameters
[out]minxminimal x-value used in the graph
[out]maxxmaximal x-value used in the graph
[out]smallestGreaterZerothe smalles x-value in the graph, which is larger than 0 (this is used in auto-sizing for logarithmic axes)
Returns
true on success, i.e. if there were datapoints in the plot, or false on failure (e.g. when the graph is empty)

Implements JKQTPPlotElement.

◆ getY()

double JKQTPGeoSymbol::getY ( ) const

y-position (in plot coordinates) of the symbol (symbol center)

◆ getYMinMax()

virtual bool JKQTPGeoSymbol::getYMinMax ( double & miny,
double & maxy,
double & smallestGreaterZero )
overridevirtual

get the maximum and minimum y-value of the graph

The result is given in the two parameters which are call-by-reference parameters!

Parameters
[out]minyminimal y-value used in the graph
[out]maxymaximal y-value used in the graph
[out]smallestGreaterZerothe smalles y-value in the graph, which is larger than 0 (this is used in auto-sizing for logarithmic axes)
Returns
true on success, i.e. if there were datapoints in the plot, or false on failure (e.g. when the graph is empty)

Implements JKQTPPlotElement.

◆ setColor

virtual void JKQTPGeoSymbol::setColor ( QColor c)
virtualslot

set the symbol color and symbol fill color

◆ setP

void JKQTPGeoSymbol::setP ( const QPointF & p)
slot

set x and y at the same time

See also
x, y

◆ setX

void JKQTPGeoSymbol::setX ( double __value)
slot

x-position (in plot coordinates) of the symbol (symbol center)

◆ setY

void JKQTPGeoSymbol::setY ( double __value)
slot

y-position (in plot coordinates) of the symbol (symbol center)

Member Data Documentation

◆ x

double JKQTPGeoSymbol::x
protected

x-position (in plot coordinates) of the symbol (symbol center)

◆ y

double JKQTPGeoSymbol::y
protected

y-position (in plot coordinates) of the symbol (symbol center)


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