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64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
#ifndef ENC_RASTERTILE_H
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#define ENC_RASTERTILE_H
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#include <QPixmap>
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#include "map/projection.h"
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#include "map/transform.h"
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#include "mapdata.h"
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class TextItem;
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namespace ENC {
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class RasterTile
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{
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public:
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RasterTile(const Projection &proj, const Transform &transform,
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const Range &zooms, int zoom, const QRect &rect, qreal ratio,
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const QList<MapData::Line*> &lines, const QList<MapData::Poly*> &polygons,
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const QList<MapData::Point*> &points)
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: _proj(proj), _transform(transform), _zooms(zooms), _zoom(zoom),
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_rect(rect), _ratio(ratio),
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_pixmap(rect.width() * ratio, rect.height() * ratio), _lines(lines),
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_polygons(polygons), _points(points), _valid(false) {}
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int zoom() const {return _zoom;}
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QPoint xy() const {return _rect.topLeft();}
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const QPixmap &pixmap() const {return _pixmap;}
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bool isValid() const {return _valid;}
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void render();
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private:
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QPointF ll2xy(const Coordinates &c) const
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{return _transform.proj2img(_proj.ll2xy(c));}
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QPainterPath painterPath(const Polygon &polygon) const;
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QPolygonF polyline(const QVector<Coordinates> &path) const;
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QPolygonF tsslptArrow(const Coordinates &c, qreal angle) const;
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void processPoints(QList<TextItem*> &textItems, QList<TextItem *> &lights);
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void processLines(QList<TextItem*> &textItems);
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void processPolygons(QList<TextItem*> &textItems);
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void drawBitmapPath(QPainter *painter, const QImage &img,
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const Polygon &polygon);
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void drawArrows(QPainter *painter);
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void drawPolygons(QPainter *painter);
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void drawLines(QPainter *painter);
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void drawTextItems(QPainter *painter, const QList<TextItem*> &textItems);
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Projection _proj;
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Transform _transform;
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Range _zooms;
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int _zoom;
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QRect _rect;
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qreal _ratio;
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QPixmap _pixmap;
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QList<MapData::Line*> _lines;
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QList<MapData::Poly*> _polygons;
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QList<MapData::Point*> _points;
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bool _valid;
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};
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}
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#endif // ENC_RASTERTILE_H
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