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qcustomplot.h
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qcustomplot.h
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/***************************************************************************
** **
** QCustomPlot, an easy to use, modern plotting widget for Qt **
** Copyright (C) 2011-2021 Emanuel Eichhammer **
** **
** This program is free software: you can redistribute it and/or modify **
** it under the terms of the GNU General Public License as published by **
** the Free Software Foundation, either version 3 of the License, or **
** (at your option) any later version. **
** **
** This program is distributed in the hope that it will be useful, **
** but WITHOUT ANY WARRANTY; without even the implied warranty of **
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the **
** GNU General Public License for more details. **
** **
** You should have received a copy of the GNU General Public License **
** along with this program. If not, see http://www.gnu.org/licenses/. **
** **
****************************************************************************
** Author: Emanuel Eichhammer **
** Website/Contact: http://www.qcustomplot.com/ **
** Date: 29.03.21 **
** Version: 2.1.0 **
****************************************************************************/
#ifndef QCUSTOMPLOT_H
#define QCUSTOMPLOT_H
#include <QtCore/qglobal.h>
// some Qt version/configuration dependent macros to include or exclude certain code paths:
#ifdef QCUSTOMPLOT_USE_OPENGL
# if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
# define QCP_OPENGL_PBUFFER
# else
# define QCP_OPENGL_FBO
# endif
# if QT_VERSION >= QT_VERSION_CHECK(5, 3, 0)
# define QCP_OPENGL_OFFSCREENSURFACE
# endif
#endif
#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
# define QCP_DEVICEPIXELRATIO_SUPPORTED
# if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
# define QCP_DEVICEPIXELRATIO_FLOAT
# endif
#endif
#include <QtCore/QObject>
#include <QtCore/QPointer>
#include <QtCore/QSharedPointer>
#include <QtCore/QTimer>
#include <QtGui/QPainter>
#include <QtGui/QPainterPath>
#include <QtGui/QPaintEvent>
#include <QtGui/QMouseEvent>
#include <QtGui/QWheelEvent>
#include <QtGui/QPixmap>
#include <QtCore/QVector>
#include <QtCore/QString>
#include <QtCore/QDateTime>
#include <QtCore/QMultiMap>
#include <QtCore/QFlags>
#include <QtCore/QDebug>
#include <QtCore/QStack>
#include <QtCore/QCache>
#include <QtCore/QMargins>
#include <qmath.h>
#include <limits>
#include <algorithm>
#ifdef QCP_OPENGL_FBO
# include <QtGui/QOpenGLContext>
# if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
# include <QtGui/QOpenGLFramebufferObject>
# else
# include <QOpenGLFramebufferObject>
# include <QOpenGLPaintDevice>
# endif
# ifdef QCP_OPENGL_OFFSCREENSURFACE
# include <QtGui/QOffscreenSurface>
# else
# include <QtGui/QWindow>
# endif
#endif
#ifdef QCP_OPENGL_PBUFFER
# include <QtOpenGL/QGLPixelBuffer>
#endif
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
# include <qnumeric.h>
# include <QtGui/QWidget>
# include <QtGui/QPrinter>
# include <QtGui/QPrintEngine>
#else
# include <QtNumeric>
# include <QtWidgets/QWidget>
# include <QtPrintSupport/QtPrintSupport>
#endif
#if QT_VERSION >= QT_VERSION_CHECK(4, 8, 0)
# include <QtCore/QElapsedTimer>
#endif
# if QT_VERSION >= QT_VERSION_CHECK(5, 2, 0)
# include <QtCore/QTimeZone>
#endif
class QCPPainter;
class QCustomPlot;
class QCPLayerable;
class QCPLayoutElement;
class QCPLayout;
class QCPAxis;
class QCPAxisRect;
class QCPAxisPainterPrivate;
class QCPAbstractPlottable;
class QCPGraph;
class QCPAbstractItem;
class QCPPlottableInterface1D;
class QCPLegend;
class QCPItemPosition;
class QCPLayer;
class QCPAbstractLegendItem;
class QCPSelectionRect;
class QCPColorMap;
class QCPColorScale;
class QCPBars;
class QCPPolarAxisRadial;
class QCPPolarAxisAngular;
class QCPPolarGrid;
class QCPPolarGraph;
/* including file 'src/global.h' */
/* modified 2021-03-29T02:30:44, size 16981 */
#define QCUSTOMPLOT_VERSION_STR "2.1.0"
#define QCUSTOMPLOT_VERSION 0x020100
// decl definitions for shared library compilation/usage:
#if defined(QT_STATIC_BUILD)
# define QCP_LIB_DECL
#elif defined(QCUSTOMPLOT_COMPILE_LIBRARY)
# define QCP_LIB_DECL Q_DECL_EXPORT
#elif defined(QCUSTOMPLOT_USE_LIBRARY)
# define QCP_LIB_DECL Q_DECL_IMPORT
#else
# define QCP_LIB_DECL
#endif
// define empty macro for Q_DECL_OVERRIDE if it doesn't exist (Qt < 5)
#ifndef Q_DECL_OVERRIDE
# define Q_DECL_OVERRIDE
#endif
/*!
The QCP Namespace contains general enums, QFlags and functions used throughout the QCustomPlot
library.
It provides QMetaObject-based reflection of its enums and flags via \a QCP::staticMetaObject.
*/
#ifndef Q_MOC_RUN
namespace QCP {
#else
class QCP { // when in moc-run, make it look like a class, so we get Q_GADGET, Q_ENUMS/Q_FLAGS features in namespace
Q_GADGET
Q_ENUMS(ExportPen)
Q_ENUMS(ResolutionUnit)
Q_ENUMS(SignDomain)
Q_ENUMS(MarginSide)
Q_FLAGS(MarginSides)
Q_ENUMS(AntialiasedElement)
Q_FLAGS(AntialiasedElements)
Q_ENUMS(PlottingHint)
Q_FLAGS(PlottingHints)
Q_ENUMS(Interaction)
Q_FLAGS(Interactions)
Q_ENUMS(SelectionRectMode)
Q_ENUMS(SelectionType)
public:
#endif
/*!
Defines the different units in which the image resolution can be specified in the export
functions.
\see QCustomPlot::savePng, QCustomPlot::saveJpg, QCustomPlot::saveBmp, QCustomPlot::saveRastered
*/
enum ResolutionUnit { ruDotsPerMeter ///< Resolution is given in dots per meter (dpm)
,ruDotsPerCentimeter ///< Resolution is given in dots per centimeter (dpcm)
,ruDotsPerInch ///< Resolution is given in dots per inch (DPI/PPI)
};
/*!
Defines how cosmetic pens (pens with numerical width 0) are handled during export.
\see QCustomPlot::savePdf
*/
enum ExportPen { epNoCosmetic ///< Cosmetic pens are converted to pens with pixel width 1 when exporting
,epAllowCosmetic ///< Cosmetic pens are exported normally (e.g. in PDF exports, cosmetic pens always appear as 1 pixel on screen, independent of viewer zoom level)
};
/*!
Represents negative and positive sign domain, e.g. for passing to \ref
QCPAbstractPlottable::getKeyRange and \ref QCPAbstractPlottable::getValueRange.
This is primarily needed when working with logarithmic axis scales, since only one of the sign
domains can be visible at a time.
*/
enum SignDomain { sdNegative ///< The negative sign domain, i.e. numbers smaller than zero
,sdBoth ///< Both sign domains, including zero, i.e. all numbers
,sdPositive ///< The positive sign domain, i.e. numbers greater than zero
};
/*!
Defines the sides of a rectangular entity to which margins can be applied.
\see QCPLayoutElement::setAutoMargins, QCPAxisRect::setAutoMargins
*/
enum MarginSide { msLeft = 0x01 ///< <tt>0x01</tt> left margin
,msRight = 0x02 ///< <tt>0x02</tt> right margin
,msTop = 0x04 ///< <tt>0x04</tt> top margin
,msBottom = 0x08 ///< <tt>0x08</tt> bottom margin
,msAll = 0xFF ///< <tt>0xFF</tt> all margins
,msNone = 0x00 ///< <tt>0x00</tt> no margin
};
Q_DECLARE_FLAGS(MarginSides, MarginSide)
/*!
Defines what objects of a plot can be forcibly drawn antialiased/not antialiased. If an object is
neither forcibly drawn antialiased nor forcibly drawn not antialiased, it is up to the respective
element how it is drawn. Typically it provides a \a setAntialiased function for this.
\c AntialiasedElements is a flag of or-combined elements of this enum type.
\see QCustomPlot::setAntialiasedElements, QCustomPlot::setNotAntialiasedElements
*/
enum AntialiasedElement { aeAxes = 0x0001 ///< <tt>0x0001</tt> Axis base line and tick marks
,aeGrid = 0x0002 ///< <tt>0x0002</tt> Grid lines
,aeSubGrid = 0x0004 ///< <tt>0x0004</tt> Sub grid lines
,aeLegend = 0x0008 ///< <tt>0x0008</tt> Legend box
,aeLegendItems = 0x0010 ///< <tt>0x0010</tt> Legend items
,aePlottables = 0x0020 ///< <tt>0x0020</tt> Main lines of plottables
,aeItems = 0x0040 ///< <tt>0x0040</tt> Main lines of items
,aeScatters = 0x0080 ///< <tt>0x0080</tt> Scatter symbols of plottables (excluding scatter symbols of type ssPixmap)
,aeFills = 0x0100 ///< <tt>0x0100</tt> Borders of fills (e.g. under or between graphs)
,aeZeroLine = 0x0200 ///< <tt>0x0200</tt> Zero-lines, see \ref QCPGrid::setZeroLinePen
,aeOther = 0x8000 ///< <tt>0x8000</tt> Other elements that don't fit into any of the existing categories
,aeAll = 0xFFFF ///< <tt>0xFFFF</tt> All elements
,aeNone = 0x0000 ///< <tt>0x0000</tt> No elements
};
Q_DECLARE_FLAGS(AntialiasedElements, AntialiasedElement)
/*!
Defines plotting hints that control various aspects of the quality and speed of plotting.
\see QCustomPlot::setPlottingHints
*/
enum PlottingHint { phNone = 0x000 ///< <tt>0x000</tt> No hints are set
,phFastPolylines = 0x001 ///< <tt>0x001</tt> Graph/Curve lines are drawn with a faster method. This reduces the quality especially of the line segment
///< joins, thus is most effective for pen sizes larger than 1. It is only used for solid line pens.
,phImmediateRefresh = 0x002 ///< <tt>0x002</tt> causes an immediate repaint() instead of a soft update() when QCustomPlot::replot() is called with parameter \ref QCustomPlot::rpRefreshHint.
///< This is set by default to prevent the plot from freezing on fast consecutive replots (e.g. user drags ranges with mouse).
,phCacheLabels = 0x004 ///< <tt>0x004</tt> axis (tick) labels will be cached as pixmaps, increasing replot performance.
};
Q_DECLARE_FLAGS(PlottingHints, PlottingHint)
/*!
Defines the mouse interactions possible with QCustomPlot.
\c Interactions is a flag of or-combined elements of this enum type.
\see QCustomPlot::setInteractions
*/
enum Interaction { iNone = 0x000 ///< <tt>0x000</tt> None of the interactions are possible
,iRangeDrag = 0x001 ///< <tt>0x001</tt> Axis ranges are draggable (see \ref QCPAxisRect::setRangeDrag, \ref QCPAxisRect::setRangeDragAxes)
,iRangeZoom = 0x002 ///< <tt>0x002</tt> Axis ranges are zoomable with the mouse wheel (see \ref QCPAxisRect::setRangeZoom, \ref QCPAxisRect::setRangeZoomAxes)
,iMultiSelect = 0x004 ///< <tt>0x004</tt> The user can select multiple objects by holding the modifier set by \ref QCustomPlot::setMultiSelectModifier while clicking
,iSelectPlottables = 0x008 ///< <tt>0x008</tt> Plottables are selectable (e.g. graphs, curves, bars,... see QCPAbstractPlottable)
,iSelectAxes = 0x010 ///< <tt>0x010</tt> Axes are selectable (or parts of them, see QCPAxis::setSelectableParts)
,iSelectLegend = 0x020 ///< <tt>0x020</tt> Legends are selectable (or their child items, see QCPLegend::setSelectableParts)
,iSelectItems = 0x040 ///< <tt>0x040</tt> Items are selectable (Rectangles, Arrows, Textitems, etc. see \ref QCPAbstractItem)
,iSelectOther = 0x080 ///< <tt>0x080</tt> All other objects are selectable (e.g. your own derived layerables, other layout elements,...)
,iSelectPlottablesBeyondAxisRect = 0x100 ///< <tt>0x100</tt> When performing plottable selection/hit tests, this flag extends the sensitive area beyond the axis rect
};
Q_DECLARE_FLAGS(Interactions, Interaction)
/*!
Defines the behaviour of the selection rect.
\see QCustomPlot::setSelectionRectMode, QCustomPlot::selectionRect, QCPSelectionRect
*/
enum SelectionRectMode { srmNone ///< The selection rect is disabled, and all mouse events are forwarded to the underlying objects, e.g. for axis range dragging
,srmZoom ///< When dragging the mouse, a selection rect becomes active. Upon releasing, the axes that are currently set as range zoom axes (\ref QCPAxisRect::setRangeZoomAxes) will have their ranges zoomed accordingly.
,srmSelect ///< When dragging the mouse, a selection rect becomes active. Upon releasing, plottable data points that were within the selection rect are selected, if the plottable's selectability setting permits. (See \ref dataselection "data selection mechanism" for details.)
,srmCustom ///< When dragging the mouse, a selection rect becomes active. It is the programmer's responsibility to connect according slots to the selection rect's signals (e.g. \ref QCPSelectionRect::accepted) in order to process the user interaction.
};
/*!
Defines the different ways a plottable can be selected. These images show the effect of the
different selection types, when the indicated selection rect was dragged:
<center>
<table>
<tr>
<td>\image html selectiontype-none.png stNone</td>
<td>\image html selectiontype-whole.png stWhole</td>
<td>\image html selectiontype-singledata.png stSingleData</td>
<td>\image html selectiontype-datarange.png stDataRange</td>
<td>\image html selectiontype-multipledataranges.png stMultipleDataRanges</td>
</tr>
</table>
</center>
\see QCPAbstractPlottable::setSelectable, QCPDataSelection::enforceType
*/
enum SelectionType { stNone ///< The plottable is not selectable
,stWhole ///< Selection behaves like \ref stMultipleDataRanges, but if there are any data points selected, the entire plottable is drawn as selected.
,stSingleData ///< One individual data point can be selected at a time
,stDataRange ///< Multiple contiguous data points (a data range) can be selected
,stMultipleDataRanges ///< Any combination of data points/ranges can be selected
};
/*! \internal
Returns whether the specified \a value is considered an invalid data value for plottables (i.e.
is \e nan or \e +/-inf). This function is used to check data validity upon replots, when the
compiler flag \c QCUSTOMPLOT_CHECK_DATA is set.
*/
inline bool isInvalidData(double value)
{
return qIsNaN(value) || qIsInf(value);
}
/*! \internal
\overload
Checks two arguments instead of one.
*/
inline bool isInvalidData(double value1, double value2)
{
return isInvalidData(value1) || isInvalidData(value2);
}
/*! \internal
Sets the specified \a side of \a margins to \a value
\see getMarginValue
*/
inline void setMarginValue(QMargins &margins, QCP::MarginSide side, int value)
{
switch (side)
{
case QCP::msLeft: margins.setLeft(value); break;
case QCP::msRight: margins.setRight(value); break;
case QCP::msTop: margins.setTop(value); break;
case QCP::msBottom: margins.setBottom(value); break;
case QCP::msAll: margins = QMargins(value, value, value, value); break;
default: break;
}
}
/*! \internal
Returns the value of the specified \a side of \a margins. If \a side is \ref QCP::msNone or
\ref QCP::msAll, returns 0.
\see setMarginValue
*/
inline int getMarginValue(const QMargins &margins, QCP::MarginSide side)
{
switch (side)
{
case QCP::msLeft: return margins.left();
case QCP::msRight: return margins.right();
case QCP::msTop: return margins.top();
case QCP::msBottom: return margins.bottom();
default: break;
}
return 0;
}
extern const QMetaObject staticMetaObject; // in moc-run we create a static meta object for QCP "fake" object. This line is the link to it via QCP::staticMetaObject in normal operation as namespace
} // end of namespace QCP
Q_DECLARE_OPERATORS_FOR_FLAGS(QCP::AntialiasedElements)
Q_DECLARE_OPERATORS_FOR_FLAGS(QCP::PlottingHints)
Q_DECLARE_OPERATORS_FOR_FLAGS(QCP::MarginSides)
Q_DECLARE_OPERATORS_FOR_FLAGS(QCP::Interactions)
Q_DECLARE_METATYPE(QCP::ExportPen)
Q_DECLARE_METATYPE(QCP::ResolutionUnit)
Q_DECLARE_METATYPE(QCP::SignDomain)
Q_DECLARE_METATYPE(QCP::MarginSide)
Q_DECLARE_METATYPE(QCP::AntialiasedElement)
Q_DECLARE_METATYPE(QCP::PlottingHint)
Q_DECLARE_METATYPE(QCP::Interaction)
Q_DECLARE_METATYPE(QCP::SelectionRectMode)
Q_DECLARE_METATYPE(QCP::SelectionType)
/* end of 'src/global.h' */
/* including file 'src/vector2d.h' */
/* modified 2021-03-29T02:30:44, size 4988 */
class QCP_LIB_DECL QCPVector2D
{
public:
QCPVector2D();
QCPVector2D(double x, double y);
QCPVector2D(const QPoint &point);
QCPVector2D(const QPointF &point);
// getters:
double x() const { return mX; }
double y() const { return mY; }
double &rx() { return mX; }
double &ry() { return mY; }
// setters:
void setX(double x) { mX = x; }
void setY(double y) { mY = y; }
// non-virtual methods:
double length() const { return qSqrt(mX*mX+mY*mY); }
double lengthSquared() const { return mX*mX+mY*mY; }
double angle() const { return qAtan2(mY, mX); }
QPoint toPoint() const { return QPoint(int(mX), int(mY)); }
QPointF toPointF() const { return QPointF(mX, mY); }
bool isNull() const { return qIsNull(mX) && qIsNull(mY); }
void normalize();
QCPVector2D normalized() const;
QCPVector2D perpendicular() const { return QCPVector2D(-mY, mX); }
double dot(const QCPVector2D &vec) const { return mX*vec.mX+mY*vec.mY; }
double distanceSquaredToLine(const QCPVector2D &start, const QCPVector2D &end) const;
double distanceSquaredToLine(const QLineF &line) const;
double distanceToStraightLine(const QCPVector2D &base, const QCPVector2D &direction) const;
QCPVector2D &operator*=(double factor);
QCPVector2D &operator/=(double divisor);
QCPVector2D &operator+=(const QCPVector2D &vector);
QCPVector2D &operator-=(const QCPVector2D &vector);
private:
// property members:
double mX, mY;
friend inline const QCPVector2D operator*(double factor, const QCPVector2D &vec);
friend inline const QCPVector2D operator*(const QCPVector2D &vec, double factor);
friend inline const QCPVector2D operator/(const QCPVector2D &vec, double divisor);
friend inline const QCPVector2D operator+(const QCPVector2D &vec1, const QCPVector2D &vec2);
friend inline const QCPVector2D operator-(const QCPVector2D &vec1, const QCPVector2D &vec2);
friend inline const QCPVector2D operator-(const QCPVector2D &vec);
};
Q_DECLARE_TYPEINFO(QCPVector2D, Q_MOVABLE_TYPE);
inline const QCPVector2D operator*(double factor, const QCPVector2D &vec) { return QCPVector2D(vec.mX*factor, vec.mY*factor); }
inline const QCPVector2D operator*(const QCPVector2D &vec, double factor) { return QCPVector2D(vec.mX*factor, vec.mY*factor); }
inline const QCPVector2D operator/(const QCPVector2D &vec, double divisor) { return QCPVector2D(vec.mX/divisor, vec.mY/divisor); }
inline const QCPVector2D operator+(const QCPVector2D &vec1, const QCPVector2D &vec2) { return QCPVector2D(vec1.mX+vec2.mX, vec1.mY+vec2.mY); }
inline const QCPVector2D operator-(const QCPVector2D &vec1, const QCPVector2D &vec2) { return QCPVector2D(vec1.mX-vec2.mX, vec1.mY-vec2.mY); }
inline const QCPVector2D operator-(const QCPVector2D &vec) { return QCPVector2D(-vec.mX, -vec.mY); }
/*! \relates QCPVector2D
Prints \a vec in a human readable format to the qDebug output.
*/
inline QDebug operator<< (QDebug d, const QCPVector2D &vec)
{
d.nospace() << "QCPVector2D(" << vec.x() << ", " << vec.y() << ")";
return d.space();
}
/* end of 'src/vector2d.h' */
/* including file 'src/painter.h' */
/* modified 2021-03-29T02:30:44, size 4035 */
class QCP_LIB_DECL QCPPainter : public QPainter
{
Q_GADGET
public:
/*!
Defines special modes the painter can operate in. They disable or enable certain subsets of features/fixes/workarounds,
depending on whether they are wanted on the respective output device.
*/
enum PainterMode { pmDefault = 0x00 ///< <tt>0x00</tt> Default mode for painting on screen devices
,pmVectorized = 0x01 ///< <tt>0x01</tt> Mode for vectorized painting (e.g. PDF export). For example, this prevents some antialiasing fixes.
,pmNoCaching = 0x02 ///< <tt>0x02</tt> Mode for all sorts of exports (e.g. PNG, PDF,...). For example, this prevents using cached pixmap labels
,pmNonCosmetic = 0x04 ///< <tt>0x04</tt> Turns pen widths 0 to 1, i.e. disables cosmetic pens. (A cosmetic pen is always drawn with width 1 pixel in the vector image/pdf viewer, independent of zoom.)
};
Q_ENUMS(PainterMode)
Q_FLAGS(PainterModes)
Q_DECLARE_FLAGS(PainterModes, PainterMode)
QCPPainter();
explicit QCPPainter(QPaintDevice *device);
// getters:
bool antialiasing() const { return testRenderHint(QPainter::Antialiasing); }
PainterModes modes() const { return mModes; }
// setters:
void setAntialiasing(bool enabled);
void setMode(PainterMode mode, bool enabled=true);
void setModes(PainterModes modes);
// methods hiding non-virtual base class functions (QPainter bug workarounds):
bool begin(QPaintDevice *device);
void setPen(const QPen &pen);
void setPen(const QColor &color);
void setPen(Qt::PenStyle penStyle);
void drawLine(const QLineF &line);
void drawLine(const QPointF &p1, const QPointF &p2) {drawLine(QLineF(p1, p2));}
void save();
void restore();
// non-virtual methods:
void makeNonCosmetic();
protected:
// property members:
PainterModes mModes;
bool mIsAntialiasing;
// non-property members:
QStack<bool> mAntialiasingStack;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QCPPainter::PainterModes)
Q_DECLARE_METATYPE(QCPPainter::PainterMode)
/* end of 'src/painter.h' */
/* including file 'src/paintbuffer.h' */
/* modified 2021-03-29T02:30:44, size 5006 */
class QCP_LIB_DECL QCPAbstractPaintBuffer
{
public:
explicit QCPAbstractPaintBuffer(const QSize &size, double devicePixelRatio);
virtual ~QCPAbstractPaintBuffer();
// getters:
QSize size() const { return mSize; }
bool invalidated() const { return mInvalidated; }
double devicePixelRatio() const { return mDevicePixelRatio; }
// setters:
void setSize(const QSize &size);
void setInvalidated(bool invalidated=true);
void setDevicePixelRatio(double ratio);
// introduced virtual methods:
virtual QCPPainter *startPainting() = 0;
virtual void donePainting() {}
virtual void draw(QCPPainter *painter) const = 0;
virtual void clear(const QColor &color) = 0;
protected:
// property members:
QSize mSize;
double mDevicePixelRatio;
// non-property members:
bool mInvalidated;
// introduced virtual methods:
virtual void reallocateBuffer() = 0;
};
class QCP_LIB_DECL QCPPaintBufferPixmap : public QCPAbstractPaintBuffer
{
public:
explicit QCPPaintBufferPixmap(const QSize &size, double devicePixelRatio);
virtual ~QCPPaintBufferPixmap() Q_DECL_OVERRIDE;
// reimplemented virtual methods:
virtual QCPPainter *startPainting() Q_DECL_OVERRIDE;
virtual void draw(QCPPainter *painter) const Q_DECL_OVERRIDE;
void clear(const QColor &color) Q_DECL_OVERRIDE;
protected:
// non-property members:
QPixmap mBuffer;
// reimplemented virtual methods:
virtual void reallocateBuffer() Q_DECL_OVERRIDE;
};
#ifdef QCP_OPENGL_PBUFFER
class QCP_LIB_DECL QCPPaintBufferGlPbuffer : public QCPAbstractPaintBuffer
{
public:
explicit QCPPaintBufferGlPbuffer(const QSize &size, double devicePixelRatio, int multisamples);
virtual ~QCPPaintBufferGlPbuffer() Q_DECL_OVERRIDE;
// reimplemented virtual methods:
virtual QCPPainter *startPainting() Q_DECL_OVERRIDE;
virtual void draw(QCPPainter *painter) const Q_DECL_OVERRIDE;
void clear(const QColor &color) Q_DECL_OVERRIDE;
protected:
// non-property members:
QGLPixelBuffer *mGlPBuffer;
int mMultisamples;
// reimplemented virtual methods:
virtual void reallocateBuffer() Q_DECL_OVERRIDE;
};
#endif // QCP_OPENGL_PBUFFER
#ifdef QCP_OPENGL_FBO
class QCP_LIB_DECL QCPPaintBufferGlFbo : public QCPAbstractPaintBuffer
{
public:
explicit QCPPaintBufferGlFbo(const QSize &size, double devicePixelRatio, QWeakPointer<QOpenGLContext> glContext, QWeakPointer<QOpenGLPaintDevice> glPaintDevice);
virtual ~QCPPaintBufferGlFbo() Q_DECL_OVERRIDE;
// reimplemented virtual methods:
virtual QCPPainter *startPainting() Q_DECL_OVERRIDE;
virtual void donePainting() Q_DECL_OVERRIDE;
virtual void draw(QCPPainter *painter) const Q_DECL_OVERRIDE;
void clear(const QColor &color) Q_DECL_OVERRIDE;
protected:
// non-property members:
QWeakPointer<QOpenGLContext> mGlContext;
QWeakPointer<QOpenGLPaintDevice> mGlPaintDevice;
QOpenGLFramebufferObject *mGlFrameBuffer;
// reimplemented virtual methods:
virtual void reallocateBuffer() Q_DECL_OVERRIDE;
};
#endif // QCP_OPENGL_FBO
/* end of 'src/paintbuffer.h' */
/* including file 'src/layer.h' */
/* modified 2021-03-29T02:30:44, size 7038 */
class QCP_LIB_DECL QCPLayer : public QObject
{
Q_OBJECT
/// \cond INCLUDE_QPROPERTIES
Q_PROPERTY(QCustomPlot* parentPlot READ parentPlot)
Q_PROPERTY(QString name READ name)
Q_PROPERTY(int index READ index)
Q_PROPERTY(QList<QCPLayerable*> children READ children)
Q_PROPERTY(bool visible READ visible WRITE setVisible)
Q_PROPERTY(LayerMode mode READ mode WRITE setMode)
/// \endcond
public:
/*!
Defines the different rendering modes of a layer. Depending on the mode, certain layers can be
replotted individually, without the need to replot (possibly complex) layerables on other
layers.
\see setMode
*/
enum LayerMode { lmLogical ///< Layer is used only for rendering order, and shares paint buffer with all other adjacent logical layers.
,lmBuffered ///< Layer has its own paint buffer and may be replotted individually (see \ref replot).
};
Q_ENUMS(LayerMode)
QCPLayer(QCustomPlot* parentPlot, const QString &layerName);
virtual ~QCPLayer();
// getters:
QCustomPlot *parentPlot() const { return mParentPlot; }
QString name() const { return mName; }
int index() const { return mIndex; }
QList<QCPLayerable*> children() const { return mChildren; }
bool visible() const { return mVisible; }
LayerMode mode() const { return mMode; }
// setters:
void setVisible(bool visible);
void setMode(LayerMode mode);
// non-virtual methods:
void replot();
protected:
// property members:
QCustomPlot *mParentPlot;
QString mName;
int mIndex;
QList<QCPLayerable*> mChildren;
bool mVisible;
LayerMode mMode;
// non-property members:
QWeakPointer<QCPAbstractPaintBuffer> mPaintBuffer;
// non-virtual methods:
void draw(QCPPainter *painter);
void drawToPaintBuffer();
void addChild(QCPLayerable *layerable, bool prepend);
void removeChild(QCPLayerable *layerable);
private:
Q_DISABLE_COPY(QCPLayer)
friend class QCustomPlot;
friend class QCPLayerable;
};
Q_DECLARE_METATYPE(QCPLayer::LayerMode)
class QCP_LIB_DECL QCPLayerable : public QObject
{
Q_OBJECT
/// \cond INCLUDE_QPROPERTIES
Q_PROPERTY(bool visible READ visible WRITE setVisible)
Q_PROPERTY(QCustomPlot* parentPlot READ parentPlot)
Q_PROPERTY(QCPLayerable* parentLayerable READ parentLayerable)
Q_PROPERTY(QCPLayer* layer READ layer WRITE setLayer NOTIFY layerChanged)
Q_PROPERTY(bool antialiased READ antialiased WRITE setAntialiased)
/// \endcond
public:
QCPLayerable(QCustomPlot *plot, QString targetLayer=QString(), QCPLayerable *parentLayerable=nullptr);
virtual ~QCPLayerable();
// getters:
bool visible() const { return mVisible; }
QCustomPlot *parentPlot() const { return mParentPlot; }
QCPLayerable *parentLayerable() const { return mParentLayerable.data(); }
QCPLayer *layer() const { return mLayer; }
bool antialiased() const { return mAntialiased; }
// setters:
void setVisible(bool on);
Q_SLOT bool setLayer(QCPLayer *layer);
bool setLayer(const QString &layerName);
void setAntialiased(bool enabled);
// introduced virtual methods:
virtual double selectTest(const QPointF &pos, bool onlySelectable, QVariant *details=nullptr) const;
// non-property methods:
bool realVisibility() const;
signals:
void layerChanged(QCPLayer *newLayer);
protected:
// property members:
bool mVisible;
QCustomPlot *mParentPlot;
QPointer<QCPLayerable> mParentLayerable;
QCPLayer *mLayer;
bool mAntialiased;
// introduced virtual methods:
virtual void parentPlotInitialized(QCustomPlot *parentPlot);
virtual QCP::Interaction selectionCategory() const;
virtual QRect clipRect() const;
virtual void applyDefaultAntialiasingHint(QCPPainter *painter) const = 0;
virtual void draw(QCPPainter *painter) = 0;
// selection events:
virtual void selectEvent(QMouseEvent *event, bool additive, const QVariant &details, bool *selectionStateChanged);
virtual void deselectEvent(bool *selectionStateChanged);
// low-level mouse events:
virtual void mousePressEvent(QMouseEvent *event, const QVariant &details);
virtual void mouseMoveEvent(QMouseEvent *event, const QPointF &startPos);
virtual void mouseReleaseEvent(QMouseEvent *event, const QPointF &startPos);
virtual void mouseDoubleClickEvent(QMouseEvent *event, const QVariant &details);
virtual void wheelEvent(QWheelEvent *event);
// non-property methods:
void initializeParentPlot(QCustomPlot *parentPlot);
void setParentLayerable(QCPLayerable* parentLayerable);
bool moveToLayer(QCPLayer *layer, bool prepend);
void applyAntialiasingHint(QCPPainter *painter, bool localAntialiased, QCP::AntialiasedElement overrideElement) const;
private:
Q_DISABLE_COPY(QCPLayerable)
friend class QCustomPlot;
friend class QCPLayer;
friend class QCPAxisRect;
};
/* end of 'src/layer.h' */
/* including file 'src/axis/range.h' */
/* modified 2021-03-29T02:30:44, size 5280 */
class QCP_LIB_DECL QCPRange
{
public:
double lower, upper;
QCPRange();
QCPRange(double lower, double upper);
bool operator==(const QCPRange& other) const { return lower == other.lower && upper == other.upper; }
bool operator!=(const QCPRange& other) const { return !(*this == other); }
QCPRange &operator+=(const double& value) { lower+=value; upper+=value; return *this; }
QCPRange &operator-=(const double& value) { lower-=value; upper-=value; return *this; }
QCPRange &operator*=(const double& value) { lower*=value; upper*=value; return *this; }
QCPRange &operator/=(const double& value) { lower/=value; upper/=value; return *this; }
friend inline const QCPRange operator+(const QCPRange&, double);
friend inline const QCPRange operator+(double, const QCPRange&);
friend inline const QCPRange operator-(const QCPRange& range, double value);
friend inline const QCPRange operator*(const QCPRange& range, double value);
friend inline const QCPRange operator*(double value, const QCPRange& range);
friend inline const QCPRange operator/(const QCPRange& range, double value);
double size() const { return upper-lower; }
double center() const { return (upper+lower)*0.5; }
void normalize() { if (lower > upper) qSwap(lower, upper); }
void expand(const QCPRange &otherRange);
void expand(double includeCoord);
QCPRange expanded(const QCPRange &otherRange) const;
QCPRange expanded(double includeCoord) const;
QCPRange bounded(double lowerBound, double upperBound) const;
QCPRange sanitizedForLogScale() const;
QCPRange sanitizedForLinScale() const;
bool contains(double value) const { return value >= lower && value <= upper; }
static bool validRange(double lower, double upper);
static bool validRange(const QCPRange &range);
static const double minRange;
static const double maxRange;
};
Q_DECLARE_TYPEINFO(QCPRange, Q_MOVABLE_TYPE);
/*! \relates QCPRange
Prints \a range in a human readable format to the qDebug output.
*/
inline QDebug operator<< (QDebug d, const QCPRange &range)
{
d.nospace() << "QCPRange(" << range.lower << ", " << range.upper << ")";
return d.space();
}
/*!
Adds \a value to both boundaries of the range.
*/
inline const QCPRange operator+(const QCPRange& range, double value)
{
QCPRange result(range);
result += value;
return result;
}
/*!
Adds \a value to both boundaries of the range.
*/
inline const QCPRange operator+(double value, const QCPRange& range)
{
QCPRange result(range);
result += value;
return result;
}
/*!
Subtracts \a value from both boundaries of the range.
*/
inline const QCPRange operator-(const QCPRange& range, double value)
{
QCPRange result(range);
result -= value;
return result;
}
/*!
Multiplies both boundaries of the range by \a value.
*/
inline const QCPRange operator*(const QCPRange& range, double value)
{
QCPRange result(range);
result *= value;
return result;
}
/*!
Multiplies both boundaries of the range by \a value.
*/
inline const QCPRange operator*(double value, const QCPRange& range)
{
QCPRange result(range);
result *= value;
return result;
}
/*!
Divides both boundaries of the range by \a value.
*/
inline const QCPRange operator/(const QCPRange& range, double value)
{
QCPRange result(range);
result /= value;
return result;
}
/* end of 'src/axis/range.h' */
/* including file 'src/selection.h' */
/* modified 2021-03-29T02:30:44, size 8569 */
class QCP_LIB_DECL QCPDataRange
{
public:
QCPDataRange();
QCPDataRange(int begin, int end);
bool operator==(const QCPDataRange& other) const { return mBegin == other.mBegin && mEnd == other.mEnd; }
bool operator!=(const QCPDataRange& other) const { return !(*this == other); }
// getters:
int begin() const { return mBegin; }
int end() const { return mEnd; }
int size() const { return mEnd-mBegin; }
int length() const { return size(); }
// setters:
void setBegin(int begin) { mBegin = begin; }
void setEnd(int end) { mEnd = end; }
// non-property methods:
bool isValid() const { return (mEnd >= mBegin) && (mBegin >= 0); }
bool isEmpty() const { return length() == 0; }
QCPDataRange bounded(const QCPDataRange &other) const;
QCPDataRange expanded(const QCPDataRange &other) const;
QCPDataRange intersection(const QCPDataRange &other) const;
QCPDataRange adjusted(int changeBegin, int changeEnd) const { return QCPDataRange(mBegin+changeBegin, mEnd+changeEnd); }
bool intersects(const QCPDataRange &other) const;
bool contains(const QCPDataRange &other) const;
private:
// property members:
int mBegin, mEnd;
};
Q_DECLARE_TYPEINFO(QCPDataRange, Q_MOVABLE_TYPE);
class QCP_LIB_DECL QCPDataSelection
{
public:
explicit QCPDataSelection();
explicit QCPDataSelection(const QCPDataRange &range);
bool operator==(const QCPDataSelection& other) const;
bool operator!=(const QCPDataSelection& other) const { return !(*this == other); }
QCPDataSelection &operator+=(const QCPDataSelection& other);
QCPDataSelection &operator+=(const QCPDataRange& other);
QCPDataSelection &operator-=(const QCPDataSelection& other);
QCPDataSelection &operator-=(const QCPDataRange& other);
friend inline const QCPDataSelection operator+(const QCPDataSelection& a, const QCPDataSelection& b);
friend inline const QCPDataSelection operator+(const QCPDataRange& a, const QCPDataSelection& b);
friend inline const QCPDataSelection operator+(const QCPDataSelection& a, const QCPDataRange& b);
friend inline const QCPDataSelection operator+(const QCPDataRange& a, const QCPDataRange& b);
friend inline const QCPDataSelection operator-(const QCPDataSelection& a, const QCPDataSelection& b);
friend inline const QCPDataSelection operator-(const QCPDataRange& a, const QCPDataSelection& b);
friend inline const QCPDataSelection operator-(const QCPDataSelection& a, const QCPDataRange& b);
friend inline const QCPDataSelection operator-(const QCPDataRange& a, const QCPDataRange& b);
// getters:
int dataRangeCount() const { return mDataRanges.size(); }
int dataPointCount() const;
QCPDataRange dataRange(int index=0) const;
QList<QCPDataRange> dataRanges() const { return mDataRanges; }
QCPDataRange span() const;
// non-property methods:
void addDataRange(const QCPDataRange &dataRange, bool simplify=true);
void clear();
bool isEmpty() const { return mDataRanges.isEmpty(); }
void simplify();
void enforceType(QCP::SelectionType type);
bool contains(const QCPDataSelection &other) const;
QCPDataSelection intersection(const QCPDataRange &other) const;
QCPDataSelection intersection(const QCPDataSelection &other) const;
QCPDataSelection inverse(const QCPDataRange &outerRange) const;
private:
// property members:
QList<QCPDataRange> mDataRanges;
inline static bool lessThanDataRangeBegin(const QCPDataRange &a, const QCPDataRange &b) { return a.begin() < b.begin(); }
};
Q_DECLARE_METATYPE(QCPDataSelection)
/*!
Return a \ref QCPDataSelection with the data points in \a a joined with the data points in \a b.