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-rw-r--r--src/location/maps/qgeoprojection_p.h118
1 files changed, 69 insertions, 49 deletions
diff --git a/src/location/maps/qgeoprojection_p.h b/src/location/maps/qgeoprojection_p.h
index ca81df3a..dc05d4d1 100644
--- a/src/location/maps/qgeoprojection_p.h
+++ b/src/location/maps/qgeoprojection_p.h
@@ -51,53 +51,60 @@
#include <QtLocation/private/qlocationglobal_p.h>
#include <QtLocation/private/qgeocameradata_p.h>
#include <QtPositioning/private/qdoublematrix4x4_p.h>
+#include <QtPositioning/QGeoShape>
QT_BEGIN_NAMESPACE
class Q_LOCATION_PRIVATE_EXPORT QGeoProjection
{
public:
+ enum ProjectionGroup {
+ ProjectionOther,
+ ProjectionCylindrical,
+ ProjectionPseudocylindrical,
+ ProjectionAzimuthal,
+ ProjectionPseudoazimuthal,
+ ProjectionConic,
+ ProjectionPseudoconic
+ //Polyhedral
+ //Retroazimuthal
+ };
+
+ enum Datum {
+ DatumUnknown,
+ DatumWGS84,
+ DatumSphere
+ };
+
+ enum ProjectionType {
+ ProjectionUnknown,
+ ProjectionGeneralPerspective,
+ ProjectionWebMercator
+ };
+
QGeoProjection();
virtual ~QGeoProjection();
virtual void setViewportSize(const QSize &size) = 0;
- virtual void setCameraData(const QGeoCameraData &cameraData) = 0;
+ virtual void setCameraData(const QGeoCameraData &cameraData, bool force = true) = 0;
+ virtual QGeoCameraData cameraData() const = 0;
// returns the minimum zoom at the current viewport size
virtual double minimumZoom() const = 0;
virtual double maximumCenterLatitudeAtZoom(const QGeoCameraData &cameraData) const = 0;
- // returns the size of the underlying map, at the current zoom level.
- virtual double mapWidth() const = 0;
- virtual double mapHeight() const = 0;
-
- virtual bool isProjectable(const QDoubleVector2D &wrappedProjection) const = 0;
- virtual QList<QDoubleVector2D> visibleRegion() const = 0;
- virtual QList<QDoubleVector2D> projectableRegion() const = 0;
-
- // Conversion methods for QGeoCoordinate <-> screen.
- // This currently assumes that the "MapProjection" space is [0, 1][0, 1] for every type of possibly supported map projection
- virtual QDoubleVector2D geoToMapProjection(const QGeoCoordinate &coordinate) const = 0;
- virtual QGeoCoordinate mapProjectionToGeo(const QDoubleVector2D &projection) const = 0;
-
- virtual QDoubleVector2D wrapMapProjection(const QDoubleVector2D &projection) const = 0;
- virtual QDoubleVector2D unwrapMapProjection(const QDoubleVector2D &wrappedProjection) const = 0;
-
- virtual QDoubleVector2D wrappedMapProjectionToItemPosition(const QDoubleVector2D &wrappedProjection) const = 0;
- virtual QDoubleVector2D itemPositionToWrappedMapProjection(const QDoubleVector2D &itemPosition) const = 0;
-
- // Convenience methods to avoid the chain itemPositionToWrappedProjection(wrapProjection(geoToProjection()))
virtual QGeoCoordinate itemPositionToCoordinate(const QDoubleVector2D &pos, bool clipToViewport = true) const = 0;
virtual QDoubleVector2D coordinateToItemPosition(const QGeoCoordinate &coordinate, bool clipToViewport = true) const = 0;
- virtual QDoubleVector2D geoToWrappedMapProjection(const QGeoCoordinate &coordinate) const = 0;
- virtual QGeoCoordinate wrappedMapProjectionToGeo(const QDoubleVector2D &wrappedProjection) const = 0;
- virtual QMatrix4x4 quickItemTransformation(const QGeoCoordinate &coordinate, const QPointF &anchorPoint, qreal zoomLevel) const = 0;
+
+ virtual ProjectionGroup projectionGroup() const = 0;
+ virtual Datum datum() const = 0;
+ virtual ProjectionType projectionType() const = 0;
// Returns the new map center after anchoring coordinate to anchorPoint on the screen
- QGeoCoordinate anchorCoordinateToPoint(const QGeoCoordinate &coordinate, const QPointF &anchorPoint) const;
+ virtual QGeoCoordinate anchorCoordinateToPoint(const QGeoCoordinate &coordinate, const QPointF &anchorPoint) const;
-private:
- virtual QGeoCameraData cameraData() const = 0;
+ virtual QGeoShape visibleRegion() const;
+ virtual bool setBearing(qreal bearing, const QGeoCoordinate &coordinate);
};
class Q_LOCATION_PRIVATE_EXPORT QGeoProjectionWebMercator : public QGeoProjection
@@ -106,40 +113,53 @@ public:
QGeoProjectionWebMercator();
~QGeoProjectionWebMercator();
- double minimumZoom() const Q_DECL_OVERRIDE;
- double maximumCenterLatitudeAtZoom(const QGeoCameraData &cameraData) const Q_DECL_OVERRIDE;
+ // From QGeoProjection
+ double minimumZoom() const override;
+ double maximumCenterLatitudeAtZoom(const QGeoCameraData &cameraData) const override;
+
+ void setViewportSize(const QSize &size) override;
+ void setCameraData(const QGeoCameraData &cameraData, bool force = true) override;
+ QGeoCameraData cameraData() const override;
- // The size of the underlying map, at the current zoom level.
- double mapWidth() const Q_DECL_OVERRIDE;
- double mapHeight() const Q_DECL_OVERRIDE;
+ QGeoCoordinate itemPositionToCoordinate(const QDoubleVector2D &pos, bool clipToViewport = true) const override;
+ QDoubleVector2D coordinateToItemPosition(const QGeoCoordinate &coordinate, bool clipToViewport = true) const override;
- void setViewportSize(const QSize &size) Q_DECL_OVERRIDE;
- void setCameraData(const QGeoCameraData &cameraData) Q_DECL_OVERRIDE;
+ QGeoProjection::ProjectionGroup projectionGroup() const override;
+ QGeoProjection::Datum datum() const override;
+ QGeoProjection::ProjectionType projectionType() const override;
- QDoubleVector2D geoToMapProjection(const QGeoCoordinate &coordinate) const Q_DECL_OVERRIDE;
- QGeoCoordinate mapProjectionToGeo(const QDoubleVector2D &projection) const Q_DECL_OVERRIDE;
+ QGeoCoordinate anchorCoordinateToPoint(const QGeoCoordinate &coordinate, const QPointF &anchorPoint) const override;
+ bool setBearing(qreal bearing, const QGeoCoordinate &coordinate) override;
- QDoubleVector2D wrapMapProjection(const QDoubleVector2D &projection) const Q_DECL_OVERRIDE;
- QDoubleVector2D unwrapMapProjection(const QDoubleVector2D &wrappedProjection) const Q_DECL_OVERRIDE;
+ QGeoShape visibleRegion() const override;
- QDoubleVector2D wrappedMapProjectionToItemPosition(const QDoubleVector2D &wrappedProjection) const Q_DECL_OVERRIDE;
- QDoubleVector2D itemPositionToWrappedMapProjection(const QDoubleVector2D &itemPosition) const Q_DECL_OVERRIDE;
+ // Specific to QGeoProjectionWebMercator
+ double mapWidth() const; // The size of the underlying map, at the current zoom level.
+ double mapHeight() const;
- QGeoCoordinate itemPositionToCoordinate(const QDoubleVector2D &pos, bool clipToViewport = true) const Q_DECL_OVERRIDE;
- QDoubleVector2D coordinateToItemPosition(const QGeoCoordinate &coordinate, bool clipToViewport = true) const Q_DECL_OVERRIDE;
- QDoubleVector2D geoToWrappedMapProjection(const QGeoCoordinate &coordinate) const Q_DECL_OVERRIDE;
- QGeoCoordinate wrappedMapProjectionToGeo(const QDoubleVector2D &wrappedProjection) const Q_DECL_OVERRIDE;
- QMatrix4x4 quickItemTransformation(const QGeoCoordinate &coordinate, const QPointF &anchorPoint, qreal zoomLevel) const Q_DECL_OVERRIDE;
+ QDoubleVector2D geoToMapProjection(const QGeoCoordinate &coordinate) const;
+ QGeoCoordinate mapProjectionToGeo(const QDoubleVector2D &projection) const;
+
+ QDoubleVector2D wrapMapProjection(const QDoubleVector2D &projection) const;
+ QDoubleVector2D unwrapMapProjection(const QDoubleVector2D &wrappedProjection) const;
+
+ QDoubleVector2D wrappedMapProjectionToItemPosition(const QDoubleVector2D &wrappedProjection) const;
+ QDoubleVector2D itemPositionToWrappedMapProjection(const QDoubleVector2D &itemPosition) const;
+
+ QDoubleVector2D geoToWrappedMapProjection(const QGeoCoordinate &coordinate) const;
+ QGeoCoordinate wrappedMapProjectionToGeo(const QDoubleVector2D &wrappedProjection) const;
+ QMatrix4x4 quickItemTransformation(const QGeoCoordinate &coordinate, const QPointF &anchorPoint, qreal zoomLevel) const;
+
+ bool isProjectable(const QDoubleVector2D &wrappedProjection) const;
+ QList<QDoubleVector2D> visibleGeometry() const;
+ QList<QDoubleVector2D> projectableGeometry() const;
- bool isProjectable(const QDoubleVector2D &wrappedProjection) const Q_DECL_OVERRIDE;
- QList<QDoubleVector2D> visibleRegion() const Q_DECL_OVERRIDE;
- QList<QDoubleVector2D> projectableRegion() const Q_DECL_OVERRIDE;
inline QDoubleVector2D viewportToWrappedMapProjection(const QDoubleVector2D &itemPosition) const;
inline QDoubleVector2D viewportToWrappedMapProjection(const QDoubleVector2D &itemPosition, double &s) const;
+
private:
void setupCamera();
void updateVisibleRegion();
- QGeoCameraData cameraData() const Q_DECL_OVERRIDE;
public:
struct Line2D
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 21:43:44 +0000