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Code Issues Projects Releases Activity

Do not render tiles that will not be shown due to zoom in/out

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This commit is contained in:
Martin Tůma
2021-09-16 22:52:46 +02:00
parent d0dc3661e4
commit fd65882907
4 changed files with 71 additions and 50 deletions
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2
src/map/mapsforge/rastertile.cpp
View File

@ -344,4 +344,6 @@ void RasterTile::render()
//painter.drawRect(QRect(_rect.topLeft(), _pixmap.size()));
qDeleteAll(textItems);
_valid = true;
}

15
src/map/mapsforge/rastertile.h
View File

@ -16,15 +16,16 @@ class RasterTile
{
public:
RasterTile(const Projection &proj, const Transform &transform, int zoom,
const QRect &rect, qreal ratio, const QString &key,
const QList<MapData::Path> &paths, const QList<MapData::Point> &points)
: _proj(proj), _transform(transform), _zoom(zoom), _rect(rect),
_ratio(ratio), _key(key), _pixmap(rect.width() * ratio,
rect.height() * ratio), _paths(paths), _points(points) {}
const QRect &rect, qreal ratio, const QList<MapData::Path> &paths,
const QList<MapData::Point> &points) : _proj(proj), _transform(transform),
_zoom(zoom), _rect(rect), _ratio(ratio),
_pixmap(rect.width() * ratio, rect.height() * ratio), _paths(paths),
_points(points), _valid(false) {}
const QString &key() const {return _key;}
int zoom() const {return _zoom;}
QPoint xy() const {return _rect.topLeft();}
const QPixmap &pixmap() const {return _pixmap;}
bool isValid() const {return _valid;}
void render();
@ -84,10 +85,10 @@ private:
int _zoom;
QRect _rect;
qreal _ratio;
QString _key;
QPixmap _pixmap;
QList<MapData::Path> _paths;
QList<MapData::Point> _points;
bool _valid;
};
inline HASH_T qHash(const RasterTile::Key &key)