File indexing completed on 2025-01-26 03:34:15 

0001 /*
0002     File                 : Symbol.h
0003     Project              : LabPlot
0004     Description          : Symbol
0005     --------------------------------------------------------------------
0006     SPDX-FileCopyrightText: 2015-2020 Alexander Semke <alexander.semke@web.de>
0007     SPDX-FileCopyrightText: 2021 Stefan Gerlach <stefan.gerlach@uni.kn>
0008     SPDX-License-Identifier: GPL-2.0-or-later
0009 */
0010 
0011 #ifndef SYMBOL_H
0012 #define SYMBOL_H
0013 
0014 #include "backend/core/AbstractAspect.h"
0015 #include "backend/lib/macros.h"
0016 #include <QPainterPath>
0017 
0018 class SymbolPrivate;
0019 class KConfigGroup;
0020 class QPainter;
0021 
0022 class Symbol : public AbstractAspect {
0023     Q_OBJECT
0024 
0025 public:
0026     // order is fixed; append new symbols at the end and add to StyleOrder in Symbol.cpp
0027     enum class Style {
0028         NoSymbols,
0029         Circle,
0030         Square,
0031         EquilateralTriangle,
0032         RightTriangle,
0033         Bar,
0034         PeakedBar,
0035         SkewedBar,
0036         Diamond,
0037         Lozenge,
0038         Tie,
0039         TinyTie,
0040         Plus,
0041         Boomerang,
0042         SmallBoomerang,
0043         Star4,
0044         Star5,
0045         Line,
0046         Cross,
0047         Heart,
0048         Lightning,
0049         X,
0050         Asterisk,
0051         Tri,
0052         XPlus,
0053         TallPlus,
0054         LatinCross,
0055         DotPlus,
0056         Hash,
0057         SquareX,
0058         SquarePlus,
0059         SquareHalf,
0060         SquareDiag,
0061         SquareTriangle,
0062         CircleHalf,
0063         CircleDot,
0064         CircleX,
0065         CircleTri,
0066         Peace,
0067         Flower,
0068         Flower2,
0069         Flower3,
0070         Flower5,
0071         Flower6,
0072         Star,
0073         Star3,
0074         Star6,
0075         Pentagon,
0076         Hexagon,
0077         Latin,
0078         David,
0079         Home,
0080         Pin,
0081         Female,
0082         Male,
0083         Spade,
0084         Club,
0085         SquareDot,
0086         TriangleDot,
0087         TriangleHalf,
0088         TriangleLine
0089     };
0090     Q_ENUM(Style)
0091 
0092     static int stylesCount();
0093     static QString styleName(Symbol::Style);
0094     static Symbol::Style indexToStyle(int);
0095     static QPainterPath stylePath(Symbol::Style);
0096 
0097     explicit Symbol(const QString& name);
0098     ~Symbol() override;
0099     void init(const KConfigGroup&);
0100 
0101     void draw(QPainter*, QPointF);
0102     void draw(QPainter*, const QVector<QPointF>&);
0103 
0104     void save(QXmlStreamWriter*) const override;
0105     bool load(XmlStreamReader*, bool preview) override;
0106     void loadThemeConfig(const KConfigGroup&, const QColor&);
0107     void saveThemeConfig(const KConfigGroup&) const;
0108 
0109     BASIC_D_ACCESSOR_DECL(Symbol::Style, style, Style)
0110     CLASS_D_ACCESSOR_DECL(QColor, color, Color)
0111     BASIC_D_ACCESSOR_DECL(qreal, opacity, Opacity)
0112     BASIC_D_ACCESSOR_DECL(qreal, rotationAngle, RotationAngle)
0113     BASIC_D_ACCESSOR_DECL(qreal, size, Size)
0114     CLASS_D_ACCESSOR_DECL(QBrush, brush, Brush)
0115     CLASS_D_ACCESSOR_DECL(QPen, pen, Pen)
0116 
0117     typedef SymbolPrivate Private;
0118 
0119 protected:
0120     SymbolPrivate* const d_ptr;
0121 
0122 private:
0123     Q_DECLARE_PRIVATE(Symbol)
0124 
0125 Q_SIGNALS:
0126     void styleChanged(Symbol::Style);
0127     void sizeChanged(qreal);
0128     void rotationAngleChanged(qreal);
0129     void opacityChanged(qreal);
0130     void brushChanged(QBrush);
0131     void penChanged(const QPen&);
0132     void colorChanged(const QColor&);
0133 
0134     void updateRequested();
0135     void updatePixmapRequested();
0136 };
0137 
0138 #endif