 |
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
|
|
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
|
this is the virtual base class of all JKQTPPlotElement's in a JKQTPlotter plot that represent annotations of a plot. It differs from JKQTPGeometricPlotElement by not providing a selection of drawModes, as annotations are always drawn as graphic elements. More...
#include <jkqtpgraphsbase.h>
Public Member Functions | |
| 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 | draw (JKQTPEnhancedPainter &painter)=0 |
| plots the graph to the plotter object specified as parent | |
| virtual void | drawKeyMarker (JKQTPEnhancedPainter &painter, const QRectF &rect)=0 |
| plots a key marker inside the specified rectangle rect | |
| 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 QColor | getKeyLabelColor () const =0 |
| returns the color to be used for the key label | |
| 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, ...) | |
| JKQTBasePlotter * | getParent () |
| returns the parent painter class | |
| const JKQTBasePlotter * | getParent () const |
| returns the parent painter class | |
| QString | getTitle () const |
| returns the the title of the plot | |
| const JKQTPCoordinateAxis * | getXAxis () 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 | |
| virtual bool | getXMinMax (double &minx, double &maxx, double &smallestGreaterZero)=0 |
| get the maximum and minimum x-value of the graph | |
| const JKQTPCoordinateAxis * | getYAxis () 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 bool | getYMinMax (double &miny, double &maxy, double &smallestGreaterZero)=0 |
| get the maximum and minimum y-value of the graph | |
| 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 | |
Additional Inherited Members | |
| Public Types inherited from JKQTPPlotElement | |
| enum | HitTestMode { HitTestXY , HitTestXOnly , HitTestYOnly } |
| modes of operation for the function hitTest() More... | |
| 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 | |
| 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 Attributes inherited from JKQTPPlotElement | |
| QVector< HitTestLocation > | m_hitTestData |
| dataset with graph-points and associated data from the function hitTest() | |
| JKQTBasePlotter * | parent |
| the plotter object this object belongs to | |
| int | parentPlotStyle |
| internal storage for the used parent plot 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 | |
this is the virtual base class of all JKQTPPlotElement's in a JKQTPlotter plot that represent annotations of a plot. It differs from JKQTPGeometricPlotElement by not providing a selection of drawModes, as annotations are always drawn as graphic elements.
|
explicit |
class constructor
|
virtual |
default wirtual destructor
