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There were virtual functions to calculate the label colors based on the value of the label. However, these functions only returned constant values. Therefore, just set these in the constructors. Thuse, a few virtual functions and derived classes can be removed. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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#ifndef DIVECARTESIANAXIS_H
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#define DIVECARTESIANAXIS_H
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#include <QObject>
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#include <QGraphicsLineItem>
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#include <QPen>
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#include "core/color.h"
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#include "core/units.h"
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class ProfileScene;
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class QPropertyAnimation;
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class DiveTextItem;
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class DiveLineItem;
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class DivePlotDataModel;
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class DiveCartesianAxis : public QObject, public QGraphicsLineItem {
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Q_OBJECT
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Q_PROPERTY(QLineF line WRITE setLine READ line)
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Q_PROPERTY(QPointF pos WRITE setPos READ pos)
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Q_PROPERTY(qreal x WRITE setX READ x)
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Q_PROPERTY(qreal y WRITE setY READ y)
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private:
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bool printMode;
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public:
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enum Orientation {
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TopToBottom,
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BottomToTop,
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LeftToRight,
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RightToLeft
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};
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enum class Position {
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Left, Right, Bottom
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};
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DiveCartesianAxis(Position position, int integralDigits, int fractionalDigits, color_index_t gridColor,
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QColor textColor, bool textVisible, bool linesVisible,
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double dpr, double labelScale, bool printMode, bool isGrayscale, ProfileScene &scene);
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~DiveCartesianAxis();
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void setBounds(double min, double max);
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void setTransform(double a, double b = 0.0);
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void setOrientation(Orientation orientation);
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double minimum() const;
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double maximum() const;
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std::pair<double, double> screenMinMax() const;
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qreal valueAt(const QPointF &p) const;
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qreal posAtValue(qreal value) const;
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void setPosition(const QRectF &rect);
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void setTextVisible(bool arg1);
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void setLinesVisible(bool arg1);
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void updateTicks(int animSpeed);
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double width() const; // only for vertical axes
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double height() const; // only for horizontal axes
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private:
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Position position;
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int fractionalDigits;
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QRectF rect; // Rectangle to fill with grid lines
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QPen gridPen;
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QColor textColor;
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ProfileScene &scene;
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QString textForValue(double value) const;
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Orientation orientation;
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QList<DiveTextItem *> labels;
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QList<DiveLineItem *> lines;
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double dataMin, dataMax;
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double min, max;
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bool textVisibility;
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bool lineVisibility;
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double labelScale;
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bool changed;
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double dpr;
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double labelWidth, labelHeight; // maximum expected sizes of label width and height
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// To format the labels and choose the label positions, the
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// axis has to be aware of the displayed values. Thankfully,
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// the conversion between internal data (eg. mm) and displayed
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// data (e.g. ft) can be represented by an affine map ax+b.
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struct Transform {
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double a, b;
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double to(double x) const;
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double from(double y) const;
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} transform;
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void updateLabels(int numTicks, double firstPosScreen, double firstValue, double stepScreen, double stepValue, int animSpeed);
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void updateLines(int numTicks, double firstPosScreen, double stepScreen, int animSpeed);
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};
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#endif // DIVECARTESIANAXIS_H
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