KD Chart API Documentation 3.1
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KDChartPlotter.h
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1/****************************************************************************
2**
3** This file is part of the KD Chart library.
4**
5** SPDX-FileCopyrightText: 2001 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
6**
7** SPDX-License-Identifier: MIT
8**
9****************************************************************************/
10
11#ifndef KDCHARTPLOTTER_H
12#define KDCHARTPLOTTER_H
13
15
18
19namespace KDChart {
20
21class ThreeDLineAttributes;
22
26class KDCHART_EXPORT Plotter : public AbstractCartesianDiagram
27{
28 Q_OBJECT
29
30 Q_DISABLE_COPY(Plotter)
31 Q_ENUMS(CompressionMode)
32
34 Q_PROPERTY(CompressionMode useDataCompression READ useDataCompression WRITE setUseDataCompression)
35 Q_PROPERTY(qreal mergeRadiusPercentage READ mergeRadiusPercentage WRITE setMergeRadiusPercentage)
36
37public:
38 // SLOPE enables a compression based on minimal slope changes
39 // DISTANCE is still buggy and can fail, same for BOTH, NONE is the default mode
47 class PlotterType;
48 friend class PlotterType;
49
50 explicit Plotter(QWidget *parent = nullptr, CartesianCoordinatePlane *plane = nullptr);
51 ~Plotter() override;
52
53 virtual Plotter *clone() const;
54
58 bool compare(const Plotter *other) const;
59
61 {
62 Normal = 0,
63 Percent
64 };
65
66 void setType(const PlotType type);
67 PlotType type() const;
68
69 void setLineAttributes(const LineAttributes &a);
70 void setLineAttributes(int column, const LineAttributes &a);
71 void setLineAttributes(const QModelIndex &index, const LineAttributes &a);
72 void resetLineAttributes(int column);
73 void resetLineAttributes(const QModelIndex &index);
74 LineAttributes lineAttributes() const;
75 LineAttributes lineAttributes(int column) const;
76 LineAttributes lineAttributes(const QModelIndex &index) const;
77
78 void setThreeDLineAttributes(const ThreeDLineAttributes &a);
79 void setThreeDLineAttributes(int column, const ThreeDLineAttributes &a);
80 void setThreeDLineAttributes(const QModelIndex &index,
81 const ThreeDLineAttributes &a);
82
83 ThreeDLineAttributes threeDLineAttributes() const;
84 ThreeDLineAttributes threeDLineAttributes(int column) const;
85 ThreeDLineAttributes threeDLineAttributes(const QModelIndex &index) const;
86
87 void setValueTrackerAttributes(const QModelIndex &index,
88 const ValueTrackerAttributes &a);
89 ValueTrackerAttributes valueTrackerAttributes(const QModelIndex &index) const;
90
91 CompressionMode useDataCompression() const;
92 void setUseDataCompression(CompressionMode value);
93
94 qreal maxSlopeChange() const;
95 void setMaxSlopeChange(qreal value);
96
97 qreal mergeRadiusPercentage() const;
98 void setMergeRadiusPercentage(qreal value);
99
100#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && defined(Q_COMPILER_MANGLES_RETURN_TYPE)
101 // implement AbstractCartesianDiagram
102 /* reimp */
103 const int numberOfAbscissaSegments() const;
104 /* reimp */
105 const int numberOfOrdinateSegments() const;
106#else
107 // implement AbstractCartesianDiagram
108 /* reimp */
109 int numberOfAbscissaSegments() const override;
110 /* reimp */
111 int numberOfOrdinateSegments() const override;
112#endif
113
114protected Q_SLOTS:
115 void connectAttributesModel(AttributesModel *);
116
117protected:
118 void paint(PaintContext *paintContext) override;
119
120public:
121 void resize(const QSizeF &area) override;
122
123protected:
124 qreal threeDItemDepth(const QModelIndex &index) const override;
125 qreal threeDItemDepth(int column) const override;
127 const QPair<QPointF, QPointF> calculateDataBoundaries() const override;
128 void paintEvent(QPaintEvent *) override;
129 void resizeEvent(QResizeEvent *) override;
130protected Q_SLOTS:
131 void setDataBoundariesDirty();
132 void calcMergeRadius();
133}; // End of class KDChart::Plotter
134}
135
136#endif // KDCHARTLINEDIAGRAM_H
#define KDCHART_DECLARE_DERIVED_DIAGRAM(X, PLANE)
Base class for diagrams based on a cartesian coordianate system.
A proxy model used for decorating data with attributes.
Set of attributes for changing the appearance of line charts.
Stores information about painting diagrams.
Plotter defines a diagram type plotting two-dimensional data.
Cell-specific attributes regarding value tracking.

© 2001 Klarälvdalens Datakonsult AB (KDAB)
"The Qt, C++ and OpenGL Experts"
https://www.kdab.com/
https://www.kdab.com/development-resources/qt-tools/kd-chart/
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