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101 lines
1.9 KiB
C++
101 lines
1.9 KiB
C++
#ifndef JNXMAP_H
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#define JNXMAP_H
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#include <QFile>
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#include <QVector>
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#include "common/rtree.h"
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#include "common/rectc.h"
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#include "transform.h"
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#include "projection.h"
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#include "map.h"
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class JNXMap : public Map
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{
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public:
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Q_OBJECT
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public:
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JNXMap(const QString &fileName, QObject *parent = 0);
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~JNXMap();
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QRectF bounds();
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RectC llBounds() {return _bounds;}
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int zoom() const {return _zoom;}
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void setZoom(int zoom) {_zoom = zoom;}
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int zoomFit(const QSize &size, const RectC &rect);
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int zoomIn();
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int zoomOut();
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QPointF ll2xy(const Coordinates &c);
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Coordinates xy2ll(const QPointF &p);
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void load(const Projection &in, const Projection &out, qreal deviceRatio,
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bool hidpi);
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void unload();
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void draw(QPainter *painter, const QRectF &rect, Flags flags);
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bool isValid() const {return _valid;}
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QString errorString() const {return _errorString;}
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static Map *create(const QString &path, const Projection &proj, bool *isDir);
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private:
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struct Tile {
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qint32 top, right, bottom, left;
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quint16 width, height;
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quint32 size;
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quint32 offset;
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QPointF pos;
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};
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struct Level {
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quint32 count;
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quint32 offset;
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quint32 scale;
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};
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struct Zoom {
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Zoom() {}
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Zoom(const Level &level) : level(level) {}
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Level level;
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Transform transform;
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QVector<Tile> tiles;
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RTree<Tile*, qreal, 2> tree;
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};
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struct Ctx {
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QPainter *painter;
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QFile *file;
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qreal ratio;
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Ctx(QPainter *painter, QFile *file, qreal ratio)
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: painter(painter), file(file), ratio(ratio) {}
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};
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template<class T> bool readValue(T &val);
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bool readString(QByteArray &ba);
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bool readHeader();
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bool readTiles();
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void clearTiles();
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static bool cb(Tile *tile, void *context);
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static QPixmap pixmap(const Tile *tile, QFile *file);
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QFile _file;
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QList<Zoom*> _zooms;
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int _zoom;
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RectC _bounds;
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Projection _projection;
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qreal _mapRatio;
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bool _valid;
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QString _errorString;
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};
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#endif // JNXMAP_H
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