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62 lines
1.3 KiB
C++
62 lines
1.3 KiB
C++
#ifndef IMG_TREFILE_H
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#define IMG_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 "section.h"
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#include "subfile.h"
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namespace IMG {
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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(const IMGData *img)
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: SubFile(img), _flags(0), _extItemSize(0) {}
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TREFile(const QString *path)
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: SubFile(path), _flags(0), _extItemSize(0) {}
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TREFile(const SubFile *gmp, quint32 offset)
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: SubFile(gmp, offset), _flags(0), _extItemSize(0) {}
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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, const Zoom &zoom);
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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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QVector<Zoom> zooms() const;
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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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typedef RTree<SubDiv*, double, 2> SubDivTree;
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bool load(int idx);
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const SubDivTree *subdivs(const Zoom &zoom);
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int readExtEntry(Handle &hdl, quint32 &polygons, quint32 &lines,
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quint32 &points);
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RectC _bounds;
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QVector<MapLevel> _levels;
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Section _subdivSec, _extSec;
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quint32 _flags;
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quint16 _extItemSize;
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int _firstLevel;
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QMap<int, SubDivTree*> _subdivs;
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};
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}
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#endif // IMG_TREFILE_H
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