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| #ifndef QGEOTILEDMAPSCENE_P_P_H |
| #define QGEOTILEDMAPSCENE_P_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include "qgeotiledmapscene_p.h" |
| #include <QtCore/private/qobject_p.h> |
| #include <QtPositioning/private/qdoublevector3d_p.h> |
| #include <QtQuick/QSGImageNode> |
| #include <QtQuick/private/qsgdefaultimagenode_p.h> |
| #include <QtQuick/QQuickWindow> |
| #include "qgeocameradata_p.h" |
| #include "qgeotilespec_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| class Q_LOCATION_PRIVATE_EXPORT QGeoTiledMapTileContainerNode : public QSGTransformNode |
| { |
| public: |
| void addChild(const QGeoTileSpec &spec, QSGImageNode *node) |
| { |
| tiles.insert(spec, node); |
| appendChildNode(node); |
| } |
| QHash<QGeoTileSpec, QSGImageNode *> tiles; |
| }; |
| |
| class Q_LOCATION_PRIVATE_EXPORT QGeoTiledMapRootNode : public QSGClipNode |
| { |
| public: |
| QGeoTiledMapRootNode() |
| : isTextureLinear(false) |
| , geometry(QSGGeometry::defaultAttributes_Point2D(), 4) |
| , root(new QSGTransformNode()) |
| , tiles(new QGeoTiledMapTileContainerNode()) |
| , wrapLeft(new QGeoTiledMapTileContainerNode()) |
| , wrapRight(new QGeoTiledMapTileContainerNode()) |
| { |
| setIsRectangular(true); |
| setGeometry(&geometry); |
| root->appendChildNode(tiles); |
| root->appendChildNode(wrapLeft); |
| root->appendChildNode(wrapRight); |
| appendChildNode(root); |
| } |
| |
| ~QGeoTiledMapRootNode() |
| { |
| qDeleteAll(textures); |
| } |
| |
| void setClipRect(const QRect &rect) |
| { |
| if (rect != clipRect) { |
| QSGGeometry::updateRectGeometry(&geometry, rect); |
| QSGClipNode::setClipRect(rect); |
| clipRect = rect; |
| markDirty(DirtyGeometry); |
| } |
| } |
| |
| void updateTiles(QGeoTiledMapTileContainerNode *root, |
| QGeoTiledMapScenePrivate *d, |
| double camAdjust, |
| QQuickWindow *window, |
| bool ogl); |
| |
| bool isTextureLinear; |
| |
| QSGGeometry geometry; |
| QRect clipRect; |
| |
| QSGTransformNode *root; |
| |
| QGeoTiledMapTileContainerNode *tiles; // The majority of the tiles |
| QGeoTiledMapTileContainerNode *wrapLeft; // When zoomed out, the tiles that wrap around on the left. |
| QGeoTiledMapTileContainerNode *wrapRight; // When zoomed out, the tiles that wrap around on the right |
| |
| QHash<QGeoTileSpec, QSGTexture *> textures; |
| |
| #ifdef QT_LOCATION_DEBUG |
| double m_sideLengthPixel; |
| QMap<double, QList<QGeoTileSpec>> m_droppedTiles; |
| #endif |
| }; |
| |
| class Q_LOCATION_PRIVATE_EXPORT QGeoTiledMapScenePrivate : public QObjectPrivate |
| { |
| Q_DECLARE_PUBLIC(QGeoTiledMapScene) |
| public: |
| QGeoTiledMapScenePrivate(); |
| ~QGeoTiledMapScenePrivate(); |
| |
| void addTile(const QGeoTileSpec &spec, QSharedPointer<QGeoTileTexture> texture); |
| |
| void setVisibleTiles(const QSet<QGeoTileSpec> &visibleTiles); |
| void removeTiles(const QSet<QGeoTileSpec> &oldTiles); |
| bool buildGeometry(const QGeoTileSpec &spec, QSGImageNode *imageNode, bool &overzooming); |
| void updateTileBounds(const QSet<QGeoTileSpec> &tiles); |
| void setupCamera(); |
| inline bool isTiltedOrRotated() { return (m_cameraData.tilt() > 0.0) || (m_cameraData.bearing() > 0.0); } |
| |
| public: |
| |
| QSize m_screenSize; // in pixels |
| int m_tileSize; // the pixel resolution for each tile |
| QGeoCameraData m_cameraData; |
| QRectF m_visibleArea; |
| QSet<QGeoTileSpec> m_visibleTiles; |
| |
| QDoubleVector3D m_cameraUp; |
| QDoubleVector3D m_cameraEye; |
| QDoubleVector3D m_cameraCenter; |
| QMatrix4x4 m_projectionMatrix; |
| |
| // scales up the tile geometry and the camera altitude, resulting in no visible effect |
| // other than to control the accuracy of the render by keeping the values in a sensible range |
| double m_scaleFactor; |
| |
| // rounded down, positive zoom is zooming in, corresponding to reduced altitude |
| int m_intZoomLevel; |
| |
| // mercatorToGrid transform |
| // the number of tiles in each direction for the whole map (earth) at the current zoom level. |
| // it is 1<<zoomLevel |
| int m_sideLength; |
| double m_mapEdgeSize; |
| |
| QHash<QGeoTileSpec, QSharedPointer<QGeoTileTexture> > m_textures; |
| QVector<QGeoTileSpec> m_updatedTextures; |
| |
| // tilesToGrid transform |
| int m_minTileX; // the minimum tile index, i.e. 0 to sideLength which is 1<< zoomLevel |
| int m_minTileY; |
| int m_maxTileX; |
| int m_maxTileY; |
| int m_tileXWrapsBelow; // the wrap point as a tile index |
| bool m_linearScaling; |
| bool m_dropTextures; |
| |
| #ifdef QT_LOCATION_DEBUG |
| double m_sideLengthPixel; |
| QGeoTiledMapRootNode *m_mapRoot = nullptr; |
| #endif |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QGEOTILEDMAPSCENE_P_P_H |