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54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
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#ifndef SQLITEMAP_H
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#define SQLITEMAP_H
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#include <QSqlDatabase>
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#include "common/range.h"
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#include "map.h"
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class SqliteMap : public Map
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{
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public:
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SqliteMap(const QString &fileName, QObject *parent = 0);
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QRectF bounds();
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RectC llBounds() {return _bounds;}
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qreal resolution(const QRectF &rect);
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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 draw(QPainter *painter, const QRectF &rect, Flags flags);
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void load();
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void unload();
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void setDevicePixelRatio(qreal deviceRatio, qreal mapRatio);
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bool isValid() const {return _valid;}
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QString errorString() const {return _errorString;}
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private:
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int limitZoom(int zoom) const;
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qreal tileSize() const;
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QByteArray tileData(int zoom, const QPoint &tile) const;
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void drawTile(QPainter *painter, QPixmap &pixmap, QPointF &tp);
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QSqlDatabase _db;
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RectC _bounds;
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Range _zooms;
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int _zoom;
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int _tileSize;
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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 // SQLITEMAP_H
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