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Fixed atlas ll2xy() caching

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This commit is contained in:
Martin Tůma 2017-04-30 00:19:53 +02:00
parent b500031713
commit 0aedec66c4
8 changed files with 30 additions and 29 deletions
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29
src/atlas.cpp
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@ -118,6 +118,7 @@ Atlas::Atlas(const QString &fileName, QObject *parent) : Map(parent)
_valid = false;
_zoom = 0;
_name = fi.dir().dirName();
_ci = -1; _cz = -1;
if (!isAtlas(tar, fileName))
return;
@ -233,35 +234,33 @@ qreal Atlas::zoomOut()
return _zoom;
}
QPointF Atlas::ll2xy(const Coordinates &c) const
QPointF Atlas::ll2xy(const Coordinates &c)
{
static int idx = -1;
static int zoom = -1;
QPointF pp;
if (zoom != _zoom) {
idx = -1;
zoom = _zoom;
if (_cz != _zoom) {
_ci = -1;
_cz = _zoom;
}
if (idx >= 0)
pp = _maps.at(idx)->ll2pp(c);
if (idx < 0 || !_bounds.at(idx).first.contains(pp)) {
idx = _zooms.at(zoom).first;
for (int i = _zooms.at(zoom).first; i <= _zooms.at(zoom).second; i++) {
if (_ci >= 0)
pp = _maps.at(_ci)->ll2pp(c);
if (_ci < 0 || !_bounds.at(_ci).first.contains(pp)) {
_ci = _zooms.at(_zoom).first;
for (int i = _zooms.at(_zoom).first; i <= _zooms.at(_zoom).second; i++) {
pp = _maps.at(i)->ll2pp(c);
if (_bounds.at(i).first.contains(pp)) {
idx = i;
_ci = i;
break;
}
}
}
QPointF p = _maps.at(idx)->pp2xy(pp);
return p + _bounds.at(idx).second.topLeft();
QPointF p = _maps.at(_ci)->pp2xy(pp);
return p + _bounds.at(_ci).second.topLeft();
}
Coordinates Atlas::xy2ll(const QPointF &p) const
Coordinates Atlas::xy2ll(const QPointF &p)
{
int idx = _zooms.at(_zoom).first;

6
src/atlas.h
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@ -24,8 +24,8 @@ public:
qreal zoomIn();
qreal zoomOut();
QPointF ll2xy(const Coordinates &c) const;
Coordinates xy2ll(const QPointF &p) const;
QPointF ll2xy(const Coordinates &c);
Coordinates xy2ll(const QPointF &p);
void draw(QPainter *painter, const QRectF &rect);
@ -48,6 +48,8 @@ private:
QVector<QPair<int, int> > _zooms;
QVector<QPair<QRectF, QRectF> > _bounds;
int _zoom;
int _ci, _cz;
};
#endif // ATLAS_H

4
src/emptymap.cpp
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@ -64,13 +64,13 @@ void EmptyMap::draw(QPainter *painter, const QRectF &rect)
painter->fillRect(rect, Qt::white);
}
QPointF EmptyMap::ll2xy(const Coordinates &c) const
QPointF EmptyMap::ll2xy(const Coordinates &c)
{
QPointF m = Mercator().ll2xy(c);
return QPointF(m.x() / _scale, m.y() / -_scale);
}
Coordinates EmptyMap::xy2ll(const QPointF &p) const
Coordinates EmptyMap::xy2ll(const QPointF &p)
{
QPointF m(p.x() * _scale, -p.y() * _scale);
return Mercator().xy2ll(m);

4
src/emptymap.h
View File

@ -20,8 +20,8 @@ public:
qreal zoomIn();
qreal zoomOut();
QPointF ll2xy(const Coordinates &c) const;
Coordinates xy2ll(const QPointF &p) const;
QPointF ll2xy(const Coordinates &c);
Coordinates xy2ll(const QPointF &p);
void draw(QPainter *painter, const QRectF &rect);

4
src/map.h
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@ -25,8 +25,8 @@ public:
virtual qreal zoomIn() = 0;
virtual qreal zoomOut() = 0;
virtual QPointF ll2xy(const Coordinates &c) const = 0;
virtual Coordinates xy2ll(const QPointF &p) const = 0;
virtual QPointF ll2xy(const Coordinates &c) = 0;
virtual Coordinates xy2ll(const QPointF &p) = 0;
virtual void draw(QPainter *painter, const QRectF &rect) = 0;

4
src/offlinemap.h
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@ -31,9 +31,9 @@ public:
qreal zoomIn() {return 1.0;}
qreal zoomOut() {return 1.0;}
QPointF ll2xy(const Coordinates &c) const
QPointF ll2xy(const Coordinates &c)
{return _transform.map(_projection->ll2xy(c));}
Coordinates xy2ll(const QPointF &p) const
Coordinates xy2ll(const QPointF &p)
{return _projection->xy2ll(_inverted.map(p));}
void draw(QPainter *painter, const QRectF &rect);

4
src/onlinemap.cpp
View File

@ -232,13 +232,13 @@ void OnlineMap::draw(QPainter *painter, const QRectF &rect)
}
}
QPointF OnlineMap::ll2xy(const Coordinates &c) const
QPointF OnlineMap::ll2xy(const Coordinates &c)
{
QPointF m = Mercator().ll2xy(c);
return QPointF(m.x() / _scale, m.y() / -_scale);
}
Coordinates OnlineMap::xy2ll(const QPointF &p) const
Coordinates OnlineMap::xy2ll(const QPointF &p)
{
QPointF m(p.x() * _scale, -p.y() * _scale);
return Mercator().xy2ll(m);

4
src/onlinemap.h
View File

@ -23,8 +23,8 @@ public:
qreal zoomIn();
qreal zoomOut();
QPointF ll2xy(const Coordinates &c) const;
Coordinates xy2ll(const QPointF &p) const;
QPointF ll2xy(const Coordinates &c);
Coordinates xy2ll(const QPointF &p);
void draw(QPainter *painter, const QRectF &rect);