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Added missing RMap HiDPI scaling support

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This commit is contained in:
Martin Tůma 2019-03-03 21:17:57 +01:00
parent 78654aa1cf
commit d2f10aca7c
2 changed files with 19 additions and 8 deletions
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24
src/map/rmap.cpp
View File

@ -4,6 +4,7 @@
#include <QPainter>
#include "common/rectc.h"
#include "common/wgs84.h"
#include "common/config.h"
#include "transform.h"
#include "utm.h"
#include "pcs.h"
@ -150,7 +151,7 @@ bool RMap::seek(QFile &file, quint64 offset)
}
RMap::RMap(const QString &fileName, QObject *parent)
: Map(parent), _fileName(fileName), _zoom(0), _valid(false)
: Map(parent), _mapRatio(1.0), _fileName(fileName), _zoom(0), _valid(false)
{
QFile file(fileName);
if (!file.open(QIODevice::ReadOnly)) {
@ -233,7 +234,7 @@ QString RMap::name() const
QRectF RMap::bounds()
{
return QRectF(QPointF(0, 0), _zooms.at(_zoom).size);
return QRectF(QPointF(0, 0), _zooms.at(_zoom).size / _mapRatio);
}
int RMap::zoomFit(const QSize &size, const RectC &rect)
@ -273,14 +274,14 @@ QPointF RMap::ll2xy(const Coordinates &c)
{
const QPointF &scale = _zooms.at(_zoom).scale;
QPointF p(_transform.proj2img(_projection.ll2xy(c)));
return QPointF(p.x() * scale.x(), p.y() * scale.y());
return QPointF(p.x() * scale.x(), p.y() * scale.y()) / _mapRatio;
}
Coordinates RMap::xy2ll(const QPointF &p)
{
const QPointF &scale = _zooms.at(_zoom).scale;
return _projection.xy2ll(_transform.img2proj(QPointF(p.x() / scale.x(),
p.y() / scale.y())));
p.y() / scale.y()) * _mapRatio));
}
void RMap::load()
@ -326,15 +327,15 @@ void RMap::draw(QPainter *painter, const QRectF &rect, Flags flags)
{
Q_UNUSED(flags);
QSizeF ts(_tileSize.width(), _tileSize.height());
QSizeF ts(_tileSize.width() / _mapRatio, _tileSize.height() / _mapRatio);
QPointF tl(floor(rect.left() / ts.width()) * ts.width(),
floor(rect.top() / ts.height()) * ts.height());
QSizeF s(rect.right() - tl.x(), rect.bottom() - tl.y());
for (int i = 0; i < ceil(s.width() / ts.width()); i++) {
for (int j = 0; j < ceil(s.height() / ts.height()); j++) {
int x = round(tl.x() + i * _tileSize.width());
int y = round(tl.y() + j * _tileSize.height());
int x = round(tl.x() * _mapRatio + i * _tileSize.width());
int y = round(tl.y() * _mapRatio + j * _tileSize.height());
QPixmap pixmap;
QString key = _fileName + "/" + QString::number(_zoom) + "_"
@ -348,9 +349,18 @@ void RMap::draw(QPainter *painter, const QRectF &rect, Flags flags)
if (pixmap.isNull())
qWarning("%s: error loading tile image", qPrintable(key));
else {
#ifdef ENABLE_HIDPI
pixmap.setDevicePixelRatio(_mapRatio);
#endif // ENABLE_HIDPI
QPointF tp(tl.x() + i * ts.width(), tl.y() + j * ts.height());
painter->drawPixmap(tp, pixmap);
}
}
}
}
void RMap::setDevicePixelRatio(qreal deviceRatio, qreal mapRatio)
{
Q_UNUSED(deviceRatio);
_mapRatio = mapRatio;
}

3
src/map/rmap.h
View File

@ -26,6 +26,7 @@ public:
QPointF ll2xy(const Coordinates &c);
Coordinates xy2ll(const QPointF &p);
void setDevicePixelRatio(qreal deviceRatio, qreal mapRatio);
void load();
void unload();
@ -52,7 +53,7 @@ private:
Transform _transform;
QSize _tileSize;
QFile _file;
qreal _mapRatio;
QString _fileName;
int _zoom;