File indexing completed on 2025-01-26 03:34:04

 /*
     File                 : BarPlotPrivate.h
     Project              : LabPlot
     Description          : Bar Plot - private implementation
     --------------------------------------------------------------------
     SPDX-FileCopyrightText: 2022 Alexander Semke <alexander.semke@web.de>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef BARPLOTPRIVATE_H
 #define BARPLOTPRIVATE_H
 
 #include "backend/worksheet/plots/cartesian/BarPlot.h"
 #include "backend/worksheet/plots/cartesian/PlotPrivate.h"
 #include <QPen>
 
 class Background;
 class Line;
 class CartesianCoordinateSystem;
 class Value;
 class KConfigGroup;
 
 typedef QVector<QPointF> Points;
 
 class BarPlotPrivate : public PlotPrivate {
 public:
     explicit BarPlotPrivate(BarPlot*);
 
     void retransform() override;
     void recalc();
     virtual void recalcShapeAndBoundingRect() override;
     void updateValues();
     void updatePixmap();
 
     Background* addBackground(const KConfigGroup&);
     Line* addBorderLine(const KConfigGroup&);
     void addValue(const KConfigGroup&);
 
     BarPlot* const q;
 
     // General
     const AbstractColumn* xColumn{nullptr};
     QString xColumnPath;
     QVector<const AbstractColumn*> dataColumns;
     QVector<QString> dataColumnPaths;
     BarPlot::Type type{BarPlot::Type::Grouped};
     BarPlot::Orientation orientation{BarPlot::Orientation::Vertical};
     double widthFactor{1.0};
     qreal opacity{1.0};
 
     double xMin{0.};
     double xMax{1.};
     double yMin{0.};
     double yMax{1.};
 
     // bar properties
     QVector<Background*> backgrounds;
     QVector<Line*> borderLines;
 
     // values
     Value* value{nullptr};
 
 private:
     void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget* widget = nullptr) override;
 
     void recalc(int);
     void verticalBarPlot(int);
     void horizontalBarPlot(int);
     void updateFillingRect(int columnIndex, int valueIndex, const QVector<QLineF>&);
 
     void draw(QPainter*);
 
     QVector<QPointF> m_valuesPoints;
     QVector<QPointF> m_valuesPointsLogical;
     QVector<QString> m_valuesStrings;
     QPainterPath m_valuesPath;
 
     QVector<QVector<QVector<QLineF>>> m_barLines; // QVector<QLineF> contains four lines that are clipped on the plot rectangle
     QVector<QVector<QPolygonF>> m_fillPolygons; // polygons used for the filling (clipped versions of the boxes)
     QVector<double> m_stackedBarPositiveOffsets; // offsets for the y-positions for stacked bar plots, positive direction
     QVector<double> m_stackedBarNegativeOffsets; // offsets for the y-positions for stacked bar plots, negative direction
     QVector<double> m_stackedBar100PercentValues; // total sum of values in a stacked bar group defining the 100% value
     double m_widthScaleFactor{1.0};
     double m_groupWidth{1.0}; // width of a bar group
     double m_groupGap{0.0}; // gap around a group of bars
 };
 
 #endif