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flightgear/src/GUI/BaseDiagram.hxx
Stuart Buchanan 00fd5fbaec Carrier "abeam" position support
Support for --carrier-abeam option, which places the aircraft
at the end of a downwind opposite the FLOLS.

Add launcher support for above.

Add carrier display for launcher showing position relative to
carrier.
2020-04-05 23:13:32 +01:00

151 lines
4.8 KiB
C++

// BaseDiagram.hxx - part of GUI launcher using Qt5
//
// Written by James Turner, started October 2015.
//
// Copyright (C) 2014 James Turner <zakalawe@mac.com>
//
// 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 2 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, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#ifndef GUI_BASEDIAGRAM_HXX
#define GUI_BASEDIAGRAM_HXX
#include <QPainterPath>
#include <QHash>
#include <QQuickPaintedItem>
#include <QTransform>
#include <simgear/math/sg_geodesy.hxx>
#include <Navaids/positioned.hxx>
#include <Airports/airport.hxx>
#include <Navaids/PolyLine.hxx>
#include "LauncherController.hxx"
class BaseDiagram : public QQuickPaintedItem
{
Q_OBJECT
public:
BaseDiagram(QQuickItem* pr = nullptr);
enum IconOption
{
NoOptions = 0,
SmallIcons = 0x1,
LargeAirportPlans = 0x2
};
Q_DECLARE_FLAGS(IconOptions, IconOption)
static QPixmap iconForPositioned(const FGPositionedRef &pos, const IconOptions& options = NoOptions);
static QPixmap iconForAirport(FGAirport *apt, const IconOptions& options = NoOptions);
static QVector<QLineF> projectAirportRuwaysIntoRect(FGAirportRef apt, const QRectF& bounds);
static QVector<QLineF> projectAirportRuwaysWithCenter(FGAirportRef apt, const SGGeod &c);
void setAircraftType(LauncherController::AircraftType type);
QRect rect() const;
Q_INVOKABLE void resetZoom();
protected:
void paint(QPainter* p) override;
void mousePressEvent(QMouseEvent* me) override;
void mouseMoveEvent(QMouseEvent* me) override;
void wheelEvent(QWheelEvent* we) override;
virtual void paintContents(QPainter*);
protected:
void recomputeBounds(bool resetZoom);
virtual void doComputeBounds();
void extendBounds(const QPointF& p, double radiusM = 1.0);
QPointF project(const SGGeod& geod) const;
QTransform transform() const;
void clearIgnoredNavaids();
void addIgnoredNavaid(FGPositionedRef pos);
SGGeod m_projectionCenter;
double m_scale;
QRectF m_bounds;
bool m_autoScalePan;
QPointF m_panOffset, m_lastMousePos;
int m_wheelAngleDeltaAccumulator;
bool m_didPan;
LauncherController::AircraftType m_aircraftType = LauncherController::Airplane;
static void extendRect(QRectF& r, const QPointF& p);
static QPointF project(const SGGeod &geod, const SGGeod &center);
static SGGeod unproject(const QPointF &xy, const SGGeod &center);
void paintAirplaneIcon(QPainter *painter, const SGGeod &geod, int headingDeg);
void paintCarrierIcon(QPainter *painter, const SGGeod &geod, int headingDeg);
void paintAirways(QPainter* painter, const FGPositionedList& navs);
QPointF projectedPosition(PositionedID pid) const;
QPointF projectedPosition(FGPositionedRef pos) const;
private:
enum LabelPosition
{
LABEL_RIGHT = 0,
LABEL_ABOVE,
LABEL_BELOW,
LABEL_LEFT,
LABEL_NE,
LABEL_SE,
LABEL_SW,
LABEL_NW,
LAST_POSITION // marker value
};
void paintNavaids(QPainter *p);
bool isNavaidIgnored(const FGPositionedRef& pos) const;
bool isLabelRectAvailable(const QRect& r) const;
QRect rectAndFlagsForLabel(PositionedID guid, const QRect &item,
const QSize &bounds,
int & flags /* out parameter */) const;
QRect labelPositioned(const QRect &itemRect, const QSize &bounds, LabelPosition lp) const;
QTransform m_baseDeviceTransform;
QTransform m_viewportTransform;
QVector<FGPositionedRef> m_ignored;
mutable QHash<PositionedID, LabelPosition> m_labelPositions;
mutable QVector<QRect> m_labelRects;
mutable QHash<PositionedID, QPointF> m_projectedPositions;
static int textFlagsForLabelPosition(LabelPosition pos);
void splitItems(const FGPositionedList &in, FGPositionedList &navaids, FGPositionedList &ports);
void paintNavaid(QPainter *painter, const FGPositionedRef &pos);
void paintPolygonData(QPainter *painter);
void paintGeodVec(QPainter *painter, const flightgear::SGGeodVec &vec);
void fillClosedGeodVec(QPainter *painter, const QColor &color, const flightgear::SGGeodVec &vec);
};
Q_DECLARE_OPERATORS_FOR_FLAGS(BaseDiagram::IconOptions)
#endif // of GUI_BASEDIAGRAM_HXX