mirror of
https://github.com/tumic0/GPXSee.git
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66 lines
1.4 KiB
C++
66 lines
1.4 KiB
C++
#ifndef TREFILE_H
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#define TREFILE_H
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#include <QVector>
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#include <QDebug>
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#include <QRect>
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#include "common/rectc.h"
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#include "common/rtree.h"
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#include "subfile.h"
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class SubDiv;
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class TREFile : public SubFile
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{
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public:
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TREFile(IMG *img) : SubFile(img) {}
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TREFile(SubFile *gmp, quint32 offset) : SubFile(gmp, offset) {}
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~TREFile();
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bool init();
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void clear();
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const RectC &bounds() const {return _bounds;}
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QList<SubDiv*> subdivs(const RectC &rect, int bits);
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quint32 shift(quint8 bits) const
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{return (bits == _levels.last().bits) ? (_flags >> 0xb) & 7 : 0;}
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private:
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struct MapLevel {
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quint8 level;
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quint8 bits;
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quint16 subdivs;
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};
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struct Extended {
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quint32 offset;
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quint32 size;
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quint16 itemSize;
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Extended() : offset(0), size(0), itemSize(0) {}
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};
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typedef RTree<SubDiv*, double, 2> SubDivTree;
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bool load(int idx);
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int level(int bits);
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bool parsePoly(Handle hdl, quint32 pos, const QMap<int, int> &level2bits,
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QMap<quint32, int> &map);
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bool parsePoints(Handle hdl, quint32 pos, const QMap<int, int> &level2bits);
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friend QDebug operator<<(QDebug dbg, const MapLevel &level);
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RectC _bounds;
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QVector<MapLevel> _levels;
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quint32 _subdivOffset;
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Extended _extended;
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int _firstLevel;
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quint32 _flags;
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QMap<int, SubDivTree*> _subdivs;
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};
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#ifndef QT_NO_DEBUG
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QDebug operator<<(QDebug dbg, const TREFile::MapLevel &level);
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#endif // QT_NO_DEBUG
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#endif // TREFILE_H
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