Added HiDPI displays/maps support

gpxsee.qrc

@@ -1,24 +1,44 @@
 <RCC>
-    <qresource prefix="/">
-        <file>icons/dialog-close.png</file>
-        <file>icons/document-open.png</file>
-        <file>icons/document-print.png</file>
-        <file>icons/document-export.png</file>
-        <file>icons/flag.png</file>
-        <file>icons/gpxsee.png</file>
-        <file>icons/application-exit.png</file>
-        <file>icons/applications-internet.png</file>
-        <file>icons/view-refresh.png</file>
-        <file>icons/arrow-left.png</file>
-        <file>icons/arrow-right.png</file>
-        <file>icons/arrow-left-double.png</file>
-        <file>icons/arrow-right-double.png</file>
-        <file>icons/view-fullscreen.png</file>
-        <file>icons/office-chart-line.png</file>
-        <file>icons/preferences-desktop-display.png</file>
-        <file>icons/flag_48.png</file>
-        <file>icons/system-run.png</file>
-        <file>icons/document-print-preview.png</file>
-        <file>icons/view-filter.png</file>
-    </qresource>
+	<qresource prefix="/">
+		<file>icons/dialog-close.png</file>
+		<file>icons/dialog-close@2x.png</file>
+		<file>icons/document-open.png</file>
+		<file>icons/document-open@2x.png</file>
+		<file>icons/document-print.png</file>
+		<file>icons/document-print@2x.png</file>
+		<file>icons/document-export.png</file>
+		<file>icons/document-export@2x.png</file>
+		<file>icons/flag.png</file>
+		<file>icons/flag@2x.png</file>
+		<file>icons/gpxsee.png</file>
+		<file>icons/gpxsee@2x.png</file>
+		<file>icons/application-exit.png</file>
+		<file>icons/application-exit@2x.png</file>
+		<file>icons/applications-internet.png</file>
+		<file>icons/applications-internet@2x.png</file>
+		<file>icons/view-refresh.png</file>
+		<file>icons/view-refresh@2x.png</file>
+		<file>icons/arrow-left.png</file>
+		<file>icons/arrow-left@2x.png</file>
+		<file>icons/arrow-right.png</file>
+		<file>icons/arrow-right@2x.png</file>
+		<file>icons/arrow-left-double.png</file>
+		<file>icons/arrow-left-double@2x.png</file>
+		<file>icons/arrow-right-double.png</file>
+		<file>icons/arrow-right-double@2x.png</file>
+		<file>icons/view-fullscreen.png</file>
+		<file>icons/view-fullscreen@2x.png</file>
+		<file>icons/office-chart-line.png</file>
+		<file>icons/office-chart-line@2x.png</file>
+		<file>icons/format-stroke-color.png</file>
+		<file>icons/format-stroke-color@2x.png</file>
+		<file>icons/flag_32.png</file>
+		<file>icons/flag_32@2x.png</file>
+		<file>icons/preferences-system.png</file>
+		<file>icons/preferences-system@2x.png</file>
+		<file>icons/document-print_32.png</file>
+		<file>icons/document-print_32@2x.png</file>
+		<file>icons/view-filter.png</file>
+		<file>icons/view-filter@2x.png</file>
+	</qresource>
 </RCC>

src/GUI/axisitem.cpp

@@ -43,10 +43,6 @@ AxisItem::AxisItem(Type type, QGraphicsItem *parent) : QGraphicsItem(parent)
 
 	_font.setPixelSize(FONT_SIZE);
 	_font.setFamily(FONT_FAMILY);
-
-#ifndef Q_OS_MAC
-	setCacheMode(QGraphicsItem::DeviceCoordinateCache);
-#endif // Q_OS_MAC
 }
 
 void AxisItem::setRange(const RangeF &range)

src/GUI/gui.cpp

@@ -1,3 +1,4 @@
+#include "config.h"
 #include <QApplication>
 #include <QSplitter>
 #include <QVBoxLayout>
@@ -22,12 +23,16 @@
 #include <QMimeData>
 #include <QUrl>
 #include <QPixmapCache>
+#ifdef ENABLE_HIDPI
+#include <QWindow>
+#include <QScreen>
+#endif // ENABLE_HIDPI
+#include <QStyle>
 #include "data/data.h"
 #include "data/poi.h"
 #include "map/maplist.h"
 #include "map/emptymap.h"
 #include "map/downloader.h"
-#include "config.h"
 #include "icons.h"
 #include "keys.h"
 #include "settings.h"
@@ -48,6 +53,8 @@
 #include "gui.h"
 
 
+#define TOOLBAR_ICON_SIZE 22
+
 GUI::GUI()
 {
 	loadMaps();
@@ -72,7 +79,7 @@ GUI::GUI()
 	_splitter->setStretchFactor(1, 1);
 	setCentralWidget(_splitter);
 
-	setWindowIcon(QIcon(QPixmap(APP_ICON)));
+	setWindowIcon(QIcon(APP_ICON));
 	setWindowTitle(APP_NAME);
 	setUnifiedTitleAndToolBarOnMac(true);
 	setAcceptDrops(true);
@@ -195,7 +202,7 @@ void GUI::createActions()
 	_navigationActionGroup->setEnabled(false);
 
 	// General actions
-	_exitAction = new QAction(QIcon(QPixmap(QUIT_ICON)), tr("Quit"), this);
+	_exitAction = new QAction(QIcon(QUIT_ICON), tr("Quit"), this);
 	_exitAction->setShortcut(QUIT_SHORTCUT);
 	_exitAction->setMenuRole(QAction::QuitRole);
 	connect(_exitAction, SIGNAL(triggered()), this, SLOT(close()));
@@ -208,40 +215,37 @@ void GUI::createActions()
 	_keysAction = new QAction(tr("Keyboard controls"), this);
 	_keysAction->setMenuRole(QAction::NoRole);
 	connect(_keysAction, SIGNAL(triggered()), this, SLOT(keys()));
-	_aboutAction = new QAction(QIcon(QPixmap(APP_ICON)),
-	  tr("About GPXSee"), this);
+	_aboutAction = new QAction(QIcon(APP_ICON), tr("About GPXSee"), this);
 	_aboutAction->setMenuRole(QAction::AboutRole);
 	connect(_aboutAction, SIGNAL(triggered()), this, SLOT(about()));
 
 	// File actions
-	_openFileAction = new QAction(QIcon(QPixmap(OPEN_FILE_ICON)),
-	  tr("Open..."), this);
+	_openFileAction = new QAction(QIcon(OPEN_FILE_ICON), tr("Open..."), this);
 	_openFileAction->setMenuRole(QAction::NoRole);
 	_openFileAction->setShortcut(OPEN_SHORTCUT);
 	connect(_openFileAction, SIGNAL(triggered()), this, SLOT(openFile()));
 	addAction(_openFileAction);
-	_printFileAction = new QAction(QIcon(QPixmap(PRINT_FILE_ICON)),
-	  tr("Print..."), this);
+	_printFileAction = new QAction(QIcon(PRINT_FILE_ICON), tr("Print..."),
+	  this);
 	_printFileAction->setMenuRole(QAction::NoRole);
 	_printFileAction->setActionGroup(_fileActionGroup);
 	connect(_printFileAction, SIGNAL(triggered()), this, SLOT(printFile()));
 	addAction(_printFileAction);
-	_exportFileAction = new QAction(QIcon(QPixmap(EXPORT_FILE_ICON)),
+	_exportFileAction = new QAction(QIcon(EXPORT_FILE_ICON),
 	  tr("Export to PDF..."), this);
 	_exportFileAction->setMenuRole(QAction::NoRole);
 	_exportFileAction->setShortcut(EXPORT_SHORTCUT);
 	_exportFileAction->setActionGroup(_fileActionGroup);
 	connect(_exportFileAction, SIGNAL(triggered()), this, SLOT(exportFile()));
 	addAction(_exportFileAction);
-	_closeFileAction = new QAction(QIcon(QPixmap(CLOSE_FILE_ICON)),
-	  tr("Close"), this);
+	_closeFileAction = new QAction(QIcon(CLOSE_FILE_ICON), tr("Close"), this);
 	_closeFileAction->setMenuRole(QAction::NoRole);
 	_closeFileAction->setShortcut(CLOSE_SHORTCUT);
 	_closeFileAction->setActionGroup(_fileActionGroup);
 	connect(_closeFileAction, SIGNAL(triggered()), this, SLOT(closeAll()));
 	addAction(_closeFileAction);
-	_reloadFileAction = new QAction(QIcon(QPixmap(RELOAD_FILE_ICON)),
-	  tr("Reload"), this);
+	_reloadFileAction = new QAction(QIcon(RELOAD_FILE_ICON), tr("Reload"),
+	  this);
 	_reloadFileAction->setMenuRole(QAction::NoRole);
 	_reloadFileAction->setShortcut(RELOAD_SHORTCUT);
 	_reloadFileAction->setActionGroup(_fileActionGroup);
@@ -255,12 +259,12 @@ void GUI::createActions()
 	addAction(_statisticsAction);
 
 	// POI actions
-	_openPOIAction = new QAction(QIcon(QPixmap(OPEN_FILE_ICON)),
-	  tr("Load POI file..."), this);
+	_openPOIAction = new QAction(QIcon(OPEN_FILE_ICON), tr("Load POI file..."),
+	  this);
 	_openPOIAction->setMenuRole(QAction::NoRole);
 	connect(_openPOIAction, SIGNAL(triggered()), this, SLOT(openPOIFile()));
-	_closePOIAction = new QAction(QIcon(QPixmap(CLOSE_FILE_ICON)),
-	  tr("Close POI files"), this);
+	_closePOIAction = new QAction(QIcon(CLOSE_FILE_ICON), tr("Close POI files"),
+	  this);
 	_closePOIAction->setMenuRole(QAction::NoRole);
 	connect(_closePOIAction, SIGNAL(triggered()), this, SLOT(closePOIFiles()));
 	_overlapPOIAction = new QAction(tr("Overlap POIs"), this);
@@ -273,8 +277,7 @@ void GUI::createActions()
 	_showPOILabelsAction->setCheckable(true);
 	connect(_showPOILabelsAction, SIGNAL(triggered(bool)), _mapView,
 	  SLOT(showPOILabels(bool)));
-	_showPOIAction = new QAction(QIcon(QPixmap(SHOW_POI_ICON)),
-	  tr("Show POIs"), this);
+	_showPOIAction = new QAction(QIcon(SHOW_POI_ICON), tr("Show POIs"), this);
 	_showPOIAction->setMenuRole(QAction::NoRole);
 	_showPOIAction->setCheckable(true);
 	_showPOIAction->setShortcut(SHOW_POI_SHORTCUT);
@@ -284,7 +287,7 @@ void GUI::createActions()
 	createPOIFilesActions();
 
 	// Map actions
-	_showMapAction = new QAction(QIcon(QPixmap(SHOW_MAP_ICON)), tr("Show map"),
+	_showMapAction = new QAction(QIcon(SHOW_MAP_ICON), tr("Show map"),
 	  this);
 	_showMapAction->setMenuRole(QAction::NoRole);
 	_showMapAction->setCheckable(true);
@@ -292,8 +295,8 @@ void GUI::createActions()
 	connect(_showMapAction, SIGNAL(triggered(bool)), _mapView,
 	  SLOT(showMap(bool)));
 	addAction(_showMapAction);
-	_loadMapAction = new QAction(QIcon(QPixmap(OPEN_FILE_ICON)),
-	  tr("Load map..."), this);
+	_loadMapAction = new QAction(QIcon(OPEN_FILE_ICON), tr("Load map..."),
+	  this);
 	_loadMapAction->setMenuRole(QAction::NoRole);
 	connect(_loadMapAction, SIGNAL(triggered()), this, SLOT(loadMap()));
 	_clearMapCacheAction = new QAction(tr("Clear tile cache"), this);
@@ -344,8 +347,8 @@ void GUI::createActions()
 	  SLOT(showRouteWaypoints(bool)));
 
 	// Graph actions
-	_showGraphsAction = new QAction(QIcon(QPixmap(SHOW_GRAPHS_ICON)),
-	  tr("Show graphs"), this);
+	_showGraphsAction = new QAction(QIcon(SHOW_GRAPHS_ICON), tr("Show graphs"),
+	  this);
 	_showGraphsAction->setMenuRole(QAction::NoRole);
 	_showGraphsAction->setCheckable(true);
 	_showGraphsAction->setShortcut(SHOW_GRAPHS_SHORTCUT);
@@ -439,7 +442,7 @@ void GUI::createActions()
 	_DMSAction->setCheckable(true);
 	_DMSAction->setActionGroup(ag);
 	connect(_DMSAction, SIGNAL(triggered()), this, SLOT(setDMS()));
-	_fullscreenAction = new QAction(QIcon(QPixmap(FULLSCREEN_ICON)),
+	_fullscreenAction = new QAction(QIcon(FULLSCREEN_ICON),
 	  tr("Fullscreen mode"), this);
 	_fullscreenAction->setMenuRole(QAction::NoRole);
 	_fullscreenAction->setCheckable(true);
@@ -453,21 +456,19 @@ void GUI::createActions()
 	  SLOT(openOptions()));
 
 	// Navigation actions
-	_nextAction = new QAction(QIcon(QPixmap(NEXT_FILE_ICON)), tr("Next"), this);
+	_nextAction = new QAction(QIcon(NEXT_FILE_ICON), tr("Next"), this);
 	_nextAction->setActionGroup(_navigationActionGroup);
 	_nextAction->setMenuRole(QAction::NoRole);
 	connect(_nextAction, SIGNAL(triggered()), this, SLOT(next()));
-	_prevAction = new QAction(QIcon(QPixmap(PREV_FILE_ICON)), tr("Previous"),
-	  this);
+	_prevAction = new QAction(QIcon(PREV_FILE_ICON), tr("Previous"), this);
 	_prevAction->setMenuRole(QAction::NoRole);
 	_prevAction->setActionGroup(_navigationActionGroup);
 	connect(_prevAction, SIGNAL(triggered()), this, SLOT(prev()));
-	_lastAction = new QAction(QIcon(QPixmap(LAST_FILE_ICON)), tr("Last"), this);
+	_lastAction = new QAction(QIcon(LAST_FILE_ICON), tr("Last"), this);
 	_lastAction->setMenuRole(QAction::NoRole);
 	_lastAction->setActionGroup(_navigationActionGroup);
 	connect(_lastAction, SIGNAL(triggered()), this, SLOT(last()));
-	_firstAction = new QAction(QIcon(QPixmap(FIRST_FILE_ICON)), tr("First"),
-	  this);
+	_firstAction = new QAction(QIcon(FIRST_FILE_ICON), tr("First"), this);
 	_firstAction->setMenuRole(QAction::NoRole);
 	_firstAction->setActionGroup(_navigationActionGroup);
 	connect(_firstAction, SIGNAL(triggered()), this, SLOT(first()));
@@ -555,22 +556,28 @@ void GUI::createMenus()
 
 void GUI::createToolBars()
 {
+	int is = style()->pixelMetric(QStyle::PM_ToolBarIconSize);
+	QSize iconSize(qMin(is, TOOLBAR_ICON_SIZE), qMin(is, TOOLBAR_ICON_SIZE));
+
 #ifdef Q_OS_MAC
 	setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
 #endif // Q_OS_MAC
 
 	_fileToolBar = addToolBar(tr("File"));
+	_fileToolBar->setIconSize(iconSize);
 	_fileToolBar->addAction(_openFileAction);
 	_fileToolBar->addAction(_reloadFileAction);
 	_fileToolBar->addAction(_closeFileAction);
 	_fileToolBar->addAction(_printFileAction);
 
 	_showToolBar = addToolBar(tr("Show"));
+	_showToolBar->setIconSize(iconSize);
 	_showToolBar->addAction(_showPOIAction);
 	_showToolBar->addAction(_showMapAction);
 	_showToolBar->addAction(_showGraphsAction);
 
 	_navigationToolBar = addToolBar(tr("Navigation"));
+	_navigationToolBar->setIconSize(iconSize);
 	_navigationToolBar->addAction(_firstAction);
 	_navigationToolBar->addAction(_prevAction);
 	_navigationToolBar->addAction(_nextAction);
@@ -2107,3 +2114,39 @@ qreal GUI::movingTime() const
 {
 	return (_showTracksAction->isChecked()) ? _movingTime : 0;
 }
+
+void GUI::show()
+{
+	QMainWindow::show();
+
+#ifdef ENABLE_HIDPI
+	QWindow *w = windowHandle();
+	connect(w->screen(), SIGNAL(logicalDotsPerInchChanged(qreal)), this,
+	  SLOT(logicalDotsPerInchChanged(qreal)));
+	connect(w, SIGNAL(screenChanged(QScreen*)), this,
+	  SLOT(screenChanged(QScreen*)));
+#endif // ENABLE_HIDPI
+}
+
+void GUI::screenChanged(QScreen *screen)
+{
+#ifdef ENABLE_HIDPI
+	_mapView->updateDevicePixelRatio();
+
+	disconnect(SIGNAL(logicalDotsPerInchChanged(qreal)), this,
+	  SLOT(logicalDotsPerInchChanged(qreal)));
+	connect(screen, SIGNAL(logicalDotsPerInchChanged(qreal)), this,
+	  SLOT(logicalDotsPerInchChanged(qreal)));
+#else // ENABLE_HIDPI
+	Q_UNUSED(screen);
+#endif // ENABLE_HIDPI
+}
+
+void GUI::logicalDotsPerInchChanged(qreal dpi)
+{
+	Q_UNUSED(dpi)
+
+#ifdef ENABLE_HIDPI
+	_mapView->updateDevicePixelRatio();
+#endif // ENBLE_HIDPI
+}

src/GUI/gui.h

@@ -28,6 +28,7 @@ class MapView;
 class Map;
 class MapList;
 class POI;
+class QScreen;
 
 class GUI : public QMainWindow
 {
@@ -37,6 +38,7 @@ public:
 	GUI();
 
 	bool openFile(const QString &fileName);
+	void show();
 
 private slots:
 	void about();
@@ -83,6 +85,8 @@ private slots:
 	void setDMS() {setCoordinatesFormat(DMS);}
 
 	void sliderPositionChanged(qreal pos);
+	void screenChanged(QScreen *screen);
+	void logicalDotsPerInchChanged(qreal dpi);
 
 private:
 	typedef QPair<QDate, QDate> DateRange;

src/GUI/icons.h

@@ -20,10 +20,10 @@
 #define FULLSCREEN_ICON   ":/icons/view-fullscreen.png"
 
 // Options dialog icons
-#define APPEARANCE_ICON   ":/icons/preferences-desktop-display.png"
-#define POI_ICON          ":/icons/flag_48.png"
-#define SYSTEM_ICON       ":/icons/system-run.png"
-#define PRINT_EXPORT_ICON ":/icons/document-print-preview.png"
+#define APPEARANCE_ICON   ":/icons/format-stroke-color.png"
+#define POI_ICON          ":/icons/flag_32.png"
+#define SYSTEM_ICON       ":/icons/preferences-system.png"
+#define PRINT_EXPORT_ICON ":/icons/document-print_32.png"
 #define DATA_ICON         ":/icons/view-filter.png"
 
 #endif /* ICONS_H */

src/GUI/infoitem.cpp

@@ -9,10 +9,6 @@ InfoItem::InfoItem(QGraphicsItem *parent) : QGraphicsItem(parent)
 {
 	_font.setPixelSize(FONT_SIZE);
 	_font.setFamily(FONT_FAMILY);
-
-#ifndef Q_OS_MAC
-	setCacheMode(QGraphicsItem::DeviceCoordinateCache);
-#endif // Q_OS_MAC
 }
 
 void InfoItem::updateBoundingRect()

src/GUI/mapview.cpp

@@ -29,7 +29,6 @@ MapView::MapView(Map *map, POI *poi, QWidget *parent)
 
 	_scene = new QGraphicsScene(this);
 	setScene(_scene);
-	setCacheMode(QGraphicsView::CacheBackground);
 	setDragMode(QGraphicsView::ScrollHandDrag);
 	setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
 	setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
@@ -42,6 +41,10 @@ MapView::MapView(Map *map, POI *poi, QWidget *parent)
 	_scene->addItem(_mapScale);
 
 	_map = map;
+#ifdef ENABLE_HIDPI
+	_ratio = devicePixelRatioF();
+	_map->setDevicePixelRatio(_ratio);
+#endif // ENABLE_HIDPI
 	_map->load();
 	connect(_map, SIGNAL(loaded()), this, SLOT(reloadMap()));
 
@@ -228,7 +231,7 @@ void MapView::updatePOIVisibility()
 void MapView::rescale()
 {
 	_scene->setSceneRect(_map->bounds());
-	resetCachedContent();
+	reloadMap();
 
 	for (int i = 0; i < _tracks.size(); i++)
 		_tracks.at(i)->setMap(_map);
@@ -265,6 +268,9 @@ void MapView::setMap(Map *map)
 	disconnect(_map, SIGNAL(loaded()), this, SLOT(reloadMap()));
 
 	_map = map;
+#ifdef ENABLE_HIDPI
+	_map->setDevicePixelRatio(_ratio);
+#endif // ENABLE_HIDPI
 	_map->load();
 	connect(_map, SIGNAL(loaded()), this, SLOT(reloadMap()));
 
@@ -289,7 +295,7 @@ void MapView::setMap(Map *map)
 	  _map->ll2xy(cr.bottomRight())).center();
 	centerOn(nc);
 
-	resetCachedContent();
+	reloadMap();
 	QPixmapCache::clear();
 }
 
@@ -498,6 +504,9 @@ void MapView::plot(QPainter *painter, const QRectF &target, qreal scale,
 	// Enter plot mode
 	setUpdatesEnabled(false);
 	_plot = true;
+#ifdef ENABLE_HIDPI
+	_map->setDevicePixelRatio(1.0);
+#endif // ENABLE_HIDPI
 
 	// Compute sizes & ratios
 	orig = viewport()->rect();
@@ -556,6 +565,9 @@ void MapView::plot(QPainter *painter, const QRectF &target, qreal scale,
 	_mapScale->setPos(origPos);
 
 	// Exit plot mode
+#ifdef ENABLE_HIDPI
+	_map->setDevicePixelRatio(_ratio);
+#endif // ENABLE_HIDPI
 	_plot = false;
 	setUpdatesEnabled(true);
 }
@@ -635,7 +647,7 @@ void MapView::showRouteWaypoints(bool show)
 void MapView::showMap(bool show)
 {
 	_showMap = show;
-	resetCachedContent();
+	reloadMap();
 }
 
 void MapView::showPOI(bool show)
@@ -738,13 +750,13 @@ void MapView::setPOIColor(const QColor &color)
 void MapView::setMapOpacity(int opacity)
 {
 	_opacity = opacity / 100.0;
-	resetCachedContent();
+	reloadMap();
 }
 
 void MapView::setBackgroundColor(const QColor &color)
 {
 	_backgroundColor = color;
-	resetCachedContent();
+	reloadMap();
 }
 
 void MapView::drawBackground(QPainter *painter, const QRectF &rect)
@@ -819,5 +831,44 @@ void MapView::setMarkerColor(const QColor &color)
 
 void MapView::reloadMap()
 {
-	resetCachedContent();
+	_scene->invalidate();
+}
+
+void MapView::updateDevicePixelRatio()
+{
+#ifdef ENABLE_HIDPI
+	if (_ratio == devicePixelRatioF())
+		return;
+
+	_ratio = devicePixelRatioF();
+
+	QRectF vr(mapToScene(viewport()->rect()).boundingRect()
+	  .intersected(_map->bounds()));
+	RectC cr(_map->xy2ll(vr.topLeft()), _map->xy2ll(vr.bottomRight()));
+
+	_map->setDevicePixelRatio(_ratio);
+
+	digitalZoom(0);
+
+	_map->zoomFit(viewport()->rect().size(), cr);
+	_scene->setSceneRect(_map->bounds());
+
+	for (int i = 0; i < _tracks.size(); i++)
+		_tracks.at(i)->setMap(_map);
+	for (int i = 0; i < _routes.size(); i++)
+		_routes.at(i)->setMap(_map);
+	for (int i = 0; i < _waypoints.size(); i++)
+		_waypoints.at(i)->setMap(_map);
+
+	QHash<SearchPointer<Waypoint>, WaypointItem*>::const_iterator it;
+	for (it = _pois.constBegin(); it != _pois.constEnd(); it++)
+		it.value()->setMap(_map);
+	updatePOIVisibility();
+
+	QPointF nc = QRectF(_map->ll2xy(cr.topLeft()),
+	  _map->ll2xy(cr.bottomRight())).center();
+	centerOn(nc);
+
+	reloadMap();
+#endif // ENABLE_HIDPI
 }

src/GUI/mapview.h

@@ -11,6 +11,7 @@
 #include "units.h"
 #include "format.h"
 #include "palette.h"
+#include "config.h"
 
 class Data;
 class POI;
@@ -68,6 +69,7 @@ public slots:
 	void showRouteWaypoints(bool show);
 	void clearMapCache();
 	void setCoordinatesFormat(CoordinatesFormat format);
+	void updateDevicePixelRatio();
 
 private slots:
 	void updatePOI();
@@ -136,6 +138,10 @@ private:
 
 	int _digitalZoom;
 	bool _plot;
+
+#ifdef ENABLE_HIDPI
+	qreal _ratio;
+#endif // ENABLE_HIDPI
 };
 
 #endif // MAPVIEW_H

src/GUI/optionsdialog.cpp

@@ -492,14 +492,14 @@ OptionsDialog::OptionsDialog(Options *options, QWidget *parent)
 
 	QListWidget *menu = new QListWidget();
 	menu->setIconSize(QSize(MENU_ICON_SIZE, MENU_ICON_SIZE));
-	new QListWidgetItem(QIcon(QPixmap(APP_ICON)), tr("General"), menu);
-	new QListWidgetItem(QIcon(QPixmap(APPEARANCE_ICON)), tr("Appearance"),
+	new QListWidgetItem(QIcon(APP_ICON), tr("General"), menu);
+	new QListWidgetItem(QIcon(APPEARANCE_ICON), tr("Appearance"),
 	  menu);
-	new QListWidgetItem(QIcon(QPixmap(DATA_ICON)), tr("Data"), menu);
-	new QListWidgetItem(QIcon(QPixmap(POI_ICON)), tr("POI"), menu);
-	new QListWidgetItem(QIcon(QPixmap(PRINT_EXPORT_ICON)), tr("Print & Export"),
+	new QListWidgetItem(QIcon(DATA_ICON), tr("Data"), menu);
+	new QListWidgetItem(QIcon(POI_ICON), tr("POI"), menu);
+	new QListWidgetItem(QIcon(PRINT_EXPORT_ICON), tr("Print & Export"),
 	  menu);
-	new QListWidgetItem(QIcon(QPixmap(SYSTEM_ICON)), tr("System"), menu);
+	new QListWidgetItem(QIcon(SYSTEM_ICON), tr("System"), menu);
 
 	QHBoxLayout *contentLayout = new QHBoxLayout();
 	contentLayout->addWidget(menu);

src/GUI/scaleitem.cpp

@@ -20,10 +20,6 @@ ScaleItem::ScaleItem(QGraphicsItem *parent) : QGraphicsItem(parent)
 
 	_font.setPixelSize(FONT_SIZE);
 	_font.setFamily(FONT_FAMILY);
-
-#ifndef Q_OS_MAC
-	setCacheMode(QGraphicsItem::DeviceCoordinateCache);
-#endif // Q_OS_MAC
 }
 
 void ScaleItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,

src/config.h

@@ -46,8 +46,13 @@
 #define TILES_DIR              USER_DIR + QString("/tiles")
 #define TRANSLATIONS_DIR       GLOBAL_DIR + QString("/translations")
 
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 10, 1))
+
+#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 1)
 #define ENABLE_HTTP2
 #endif // QT >= 5.10.1
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
+#define ENABLE_HIDPI
+#endif // QT >= 5.6
+
 #endif /* CONFIG_H */

src/main.cpp

@@ -1,7 +1,13 @@
 #include "GUI/app.h"
+#include "config.h"
 
 int main(int argc, char *argv[])
 {
+#ifdef ENABLE_HIDPI
+	QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+	QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+#endif // ENABLE_HIDPI
+
 	App app(argc, argv);
 	app.run();
 

src/map/atlas.cpp

@@ -49,10 +49,7 @@ void Atlas::computeZooms()
 
 void Atlas::computeBounds()
 {
-	QList<QPointF> offsets;
-
-	for (int i = 0; i < _maps.count(); i++)
-		offsets.append(QPointF());
+	QVector<QPointF> offsets(_maps.count());
 
 	for (int z = 0; z < _zooms.count(); z++) {
 		QList<OfflineMap*> m;
@@ -62,21 +59,22 @@ void Atlas::computeBounds()
 		qSort(m.begin(), m.end(), xCmp);
 		offsets[_maps.indexOf(m.first())].setX(0);
 		for (int i = 1; i < m.size(); i++) {
-			qreal w = round(m.first()->pp2xy(TL(m.at(i))).x());
+			qreal w = m.first()->pp2xy(TL(m.at(i))).x();
 			offsets[_maps.indexOf(m.at(i))].setX(w);
 		}
 
 		qSort(m.begin(), m.end(), yCmp);
 		offsets[_maps.indexOf(m.first())].setY(0);
 		for (int i = 1; i < m.size(); i++) {
-			qreal h = round(m.first()->pp2xy(TL(m.at(i))).y());
+			qreal h = m.first()->pp2xy(TL(m.at(i))).y();
 			offsets[_maps.indexOf(m.at(i))].setY(h);
 		}
 	}
 
+	_bounds = QVector<Bounds>(_maps.count());
 	for (int i = 0; i < _maps.count(); i++)
-		_bounds.append(Bounds(RectD(TL(_maps.at(i)), BR(_maps.at(i))),
-		  QRectF(offsets.at(i), _maps.at(i)->bounds().size())));
+		_bounds[i] = Bounds(RectD(TL(_maps.at(i)), BR(_maps.at(i))),
+		  QRectF(offsets.at(i), _maps.at(i)->bounds().size()));
 }
 
 Atlas::Atlas(const QString &fileName, QObject *parent)
@@ -147,6 +145,14 @@ Atlas::Atlas(const QString &fileName, QObject *parent)
 	_valid = true;
 }
 
+void Atlas::setDevicePixelRatio(qreal ratio)
+{
+	for (int i = 0; i < _maps.size(); i++)
+		_maps[i]->setDevicePixelRatio(ratio);
+
+	computeBounds();
+}
+
 QRectF Atlas::bounds()
 {
 	QSizeF s(0, 0);

src/map/atlas.h

@@ -28,6 +28,7 @@ public:
 
 	void draw(QPainter *painter, const QRectF &rect, bool block);
 
+	void setDevicePixelRatio(qreal ratio);
 	void unload();
 
 	bool isValid() const {return _valid;}

src/map/jnxmap.cpp

@@ -5,6 +5,7 @@
 #include "rectd.h"
 #include "gcs.h"
 #include "pcs.h"
+#include "config.h"
 #include "jnxmap.h"
 
 
@@ -19,8 +20,10 @@ struct Level {
 struct Ctx {
 	QPainter *painter;
 	QFile *file;
+	qreal ratio;
 
-	Ctx(QPainter *painter, QFile *file) : painter(painter), file(file) {}
+	Ctx(QPainter *painter, QFile *file, qreal ratio)
+	  : painter(painter), file(file), ratio(ratio) {}
 };
 
 
@@ -139,7 +142,7 @@ bool JNXMap::readTiles()
 }
 
 JNXMap::JNXMap(const QString &fileName, QObject *parent)
-  : Map(parent), _file(fileName), _zoom(0), _valid(false)
+  : Map(parent), _file(fileName), _zoom(0), _ratio(1.0), _valid(false)
 {
 	_name = QFileInfo(fileName).fileName();
 
@@ -159,13 +162,13 @@ JNXMap::JNXMap(const QString &fileName, QObject *parent)
 QPointF JNXMap::ll2xy(const Coordinates &c)
 {
 	const Zoom &z = _zooms.at(_zoom);
-	return z.transform.proj2img(_projection.ll2xy(c));
+	return z.transform.proj2img(_projection.ll2xy(c)) / _ratio;
 }
 
 Coordinates JNXMap::xy2ll(const QPointF &p)
 {
 	const Zoom &z = _zooms.at(_zoom);
-	return _projection.xy2ll(z.transform.img2proj(p));
+	return _projection.xy2ll(z.transform.img2proj(p * _ratio));
 }
 
 QRectF JNXMap::bounds()
@@ -233,7 +236,11 @@ QPixmap JNXMap::pixmap(const Tile *tile, QFile *file)
 bool JNXMap::cb(Tile *tile, void *context)
 {
 	Ctx *ctx = static_cast<Ctx*>(context);
-	ctx->painter->drawPixmap(tile->pos, pixmap(tile, ctx->file));
+	QPixmap pm(pixmap(tile, ctx->file));
+#ifdef ENABLE_HIDPI
+	pm.setDevicePixelRatio(ctx->ratio);
+#endif // ENABLE_HIDPI
+	ctx->painter->drawPixmap(tile->pos / ctx->ratio, pm);
 
 	return true;
 }
@@ -242,12 +249,13 @@ void JNXMap::draw(QPainter *painter, const QRectF &rect, bool block)
 {
 	Q_UNUSED(block);
 	const RTree<Tile*, qreal, 2> &tree = _zooms.at(_zoom).tree;
-	Ctx ctx(painter, &_file);
+	Ctx ctx(painter, &_file, _ratio);
+	QRectF rr(rect.topLeft() * _ratio, rect.size() * _ratio);
 
 	qreal min[2], max[2];
-	min[0] = rect.left();
-	min[1] = rect.top();
-	max[0] = rect.right();
-	max[1] = rect.bottom();
+	min[0] = rr.left();
+	min[1] = rr.top();
+	max[0] = rr.right();
+	max[1] = rr.bottom();
 	tree.Search(min, max, cb, &ctx);
 }

src/map/jnxmap.h

@@ -32,6 +32,8 @@ public:
 
 	void draw(QPainter *painter, const QRectF &rect, bool block);
 
+	void setDevicePixelRatio(qreal ratio) {_ratio = ratio;}
+
 	bool isValid() const {return _valid;}
 	QString errorString() const {return _errorString;}
 
@@ -61,6 +63,7 @@ private:
 	int _zoom;
 	RectC _bounds;
 	Projection _projection;
+	qreal _ratio;
 
 	bool _valid;
 	QString _errorString;

src/map/map.h

@@ -36,6 +36,7 @@ public:
 	virtual void clearCache() {}
 	virtual void load() {}
 	virtual void unload() {}
+	virtual void setDevicePixelRatio(qreal ratio) {Q_UNUSED(ratio);}
 
 	virtual bool isValid() const {return true;}
 	virtual QString errorString() const {return QString();}

src/map/mapsource.cpp

@@ -15,7 +15,7 @@
 
 MapSource::Config::Config() : type(OSM), zooms(ZOOM_MIN, ZOOM_MAX),
   bounds(Coordinates(BOUNDS_LEFT, BOUNDS_TOP), Coordinates(BOUNDS_RIGHT,
-  BOUNDS_BOTTOM)), format("image/png"), rest(false) {}
+  BOUNDS_BOTTOM)), format("image/png"), rest(false), tileRatio(1.0) {}
 
 
 static CoordinateSystem coordinateSystem(QXmlStreamReader &reader)
@@ -159,6 +159,13 @@ void MapSource::map(QXmlStreamReader &reader, Config &config)
 			  attr.value("username").toString(),
 			  attr.value("password").toString());
 			reader.skipCurrentElement();
+		} else if (reader.name() == "tilePixelRatio") {
+			bool res;
+			qreal val = reader.readElementText().toDouble(&res);
+			if (!res)
+				reader.raiseError("Invalid tilePixelRatio");
+			else
+				config.tileRatio = val;
 		} else
 			reader.skipCurrentElement();
 	}
@@ -222,12 +229,13 @@ Map *MapSource::loadMap(const QString &path, QString &errorString)
 	if (config.type == WMTS)
 		return new WMTSMap(config.name, WMTS::Setup(config.url, config.layer,
 		  config.set, config.style, config.format, config.rest,
-		  config.coordinateSystem, config.dimensions, config.authorization));
+		  config.coordinateSystem, config.dimensions, config.authorization),
+		  config.tileRatio);
 	else if (config.type == WMS)
 		return new WMSMap(config.name, WMS::Setup(config.url, config.layer,
 		  config.style, config.format, config.crs, config.coordinateSystem,
 		  config.dimensions, config.authorization));
 	else
 		return new OnlineMap(config.name, config.url, config.zooms,
-		  config.bounds, config.authorization);
+		  config.bounds, config.tileRatio, config.authorization);
 }

src/map/mapsource.h

@@ -37,6 +37,7 @@ private:
 		bool rest;
 		QList<QPair<QString, QString> > dimensions;
 		Authorization authorization;
+		qreal tileRatio;
 
 		Config();
 	};

src/map/offlinemap.cpp

@@ -12,6 +12,7 @@
 #include "ozf.h"
 #include "mapfile.h"
 #include "geotiff.h"
+#include "config.h"
 #include "offlinemap.h"
 
 
@@ -94,7 +95,7 @@ bool OfflineMap::setTileInfo(const QStringList &tiles, const QString &path)
 }
 
 OfflineMap::OfflineMap(const QString &fileName, QObject *parent)
-  : Map(parent), _img(0), _tar(0), _ozf(0), _zoom(0), _valid(false)
+  : Map(parent), _img(0), _tar(0), _ozf(0), _zoom(0), _ratio(1.0), _valid(false)
 {
 	QFileInfo fi(fileName);
 	QString suffix = fi.suffix().toLower();
@@ -172,7 +173,7 @@ OfflineMap::OfflineMap(const QString &fileName, QObject *parent)
 }
 
 OfflineMap::OfflineMap(const QString &fileName, Tar &tar, QObject *parent)
-  : Map(parent), _img(0), _tar(0), _ozf(0), _zoom(0), _valid(false)
+  : Map(parent), _img(0), _tar(0), _ozf(0), _zoom(0), _ratio(1.0), _valid(false)
 {
 	QFileInfo fi(fileName);
 	QFileInfo map(fi.absolutePath());
@@ -224,8 +225,13 @@ void OfflineMap::load()
 
 	if (!_ozf && !_img && _map.isValid()) {
 		_img = new QImage(_map.path);
-		if (_img->isNull())
+		if (!_img || _img->isNull()) {
 			qWarning("%s: error loading map image", qPrintable(_map.path));
+			return;
+		}
+#ifdef ENABLE_HIDPI
+		_img->setDevicePixelRatio(_ratio);
+#endif // ENABLE_HIDPI
 	}
 }
 
@@ -237,15 +243,15 @@ void OfflineMap::unload()
 
 void OfflineMap::drawTiled(QPainter *painter, const QRectF &rect) const
 {
-	QPoint tl = QPoint((int)floor(rect.left() / (qreal)_tile.size.width())
-	  * _tile.size.width(), (int)floor(rect.top() / _tile.size.height())
-	  * _tile.size.height());
+	QSizeF ts(_tile.size.width() / _ratio, _tile.size.height() / _ratio);
+	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() / _tile.size.width()); i++) {
-		for (int j = 0; j < ceil(s.height() / _tile.size.height()); j++) {
-			int x = tl.x() + i * _tile.size.width();
-			int y = tl.y() + j * _tile.size.height();
+	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() * _ratio + i * _tile.size.width());
+			int y = round(tl.y() * _ratio + j * _tile.size.height());
 
 			QString tileName(_tile.path.arg(QString::number(x),
 			  QString::number(y)));
@@ -265,23 +271,29 @@ void OfflineMap::drawTiled(QPainter *painter, const QRectF &rect) const
 			if (pixmap.isNull())
 				qWarning("%s: error loading tile image", qPrintable(
 				  _tile.path.arg(QString::number(x), QString::number(y))));
-			else
-				painter->drawPixmap(QPoint(x, y), pixmap);
+			else {
+#ifdef ENABLE_HIDPI
+				pixmap.setDevicePixelRatio(_ratio);
+#endif // ENABLE_HIDPI
+				QPointF tp(tl.x() + i * ts.width(), tl.y() + j * ts.height());
+				painter->drawPixmap(tp, pixmap);
+			}
 		}
 	}
 }
 
 void OfflineMap::drawOZF(QPainter *painter, const QRectF &rect) const
 {
-	QPoint tl = QPoint((int)floor(rect.left() / _ozf->tileSize().width())
-	  * _ozf->tileSize().width(), (int)floor(rect.top()
-	  / _ozf->tileSize().height()) * _ozf->tileSize().height());
+	QSizeF ts(_ozf->tileSize().width() / _ratio, _ozf->tileSize().height()
+	  / _ratio);
+	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() / _ozf->tileSize().width()); i++) {
-		for (int j = 0; j < ceil(s.height() / _ozf->tileSize().height()); j++) {
-			int x = tl.x() + i * _ozf->tileSize().width();
-			int y = tl.y() + j * _ozf->tileSize().height();
+	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() * _ratio + i * _ozf->tileSize().width());
+			int y = round(tl.y() * _ratio + j * _ozf->tileSize().height());
 
 			QPixmap pixmap;
 			QString key = _ozf->fileName() + "/" + QString::number(_zoom) + "_"
@@ -294,17 +306,21 @@ void OfflineMap::drawOZF(QPainter *painter, const QRectF &rect) const
 
 			if (pixmap.isNull())
 				qWarning("%s: error loading tile image", qPrintable(key));
-			else
-				painter->drawPixmap(QPoint(x, y), pixmap);
+			else {
+#ifdef ENABLE_HIDPI
+				pixmap.setDevicePixelRatio(_ratio);
+#endif // ENABLE_HIDPI
+				QPointF tp(tl.x() + i * ts.width(), tl.y() + j * ts.height());
+				painter->drawPixmap(tp, pixmap);
+			}
 		}
 	}
 }
 
 void OfflineMap::drawImage(QPainter *painter, const QRectF &rect) const
 {
-	QRect r(rect.toRect());
-	painter->drawImage(r.left(), r.top(), *_img, r.left(), r.top(),
-	  r.width(), r.height());
+	painter->drawImage(rect.topLeft(), *_img, QRectF(rect.topLeft() * _ratio,
+	  rect.size() * _ratio));
 }
 
 void OfflineMap::draw(QPainter *painter, const QRectF &rect, bool block)
@@ -322,22 +338,24 @@ void OfflineMap::draw(QPainter *painter, const QRectF &rect, bool block)
 QPointF OfflineMap::ll2xy(const Coordinates &c)
 {
 	QPointF p(_transform.proj2img(_projection.ll2xy(c)));
-	return _ozf ? QPointF(p.x() * _scale.x(), p.y() * _scale.y()) : p;
+	return _ozf
+	  ? QPointF(p.x() * _scale.x(), p.y() * _scale.y()) / _ratio
+	  : p / _ratio;
 }
 
 Coordinates OfflineMap::xy2ll(const QPointF &p)
 {
 	return _ozf
 	  ? _projection.xy2ll(_transform.img2proj(QPointF(p.x() / _scale.x(),
-		p.y() / _scale.y())))
-	  : _projection.xy2ll(_transform.img2proj(p));
+		p.y() / _scale.y()) * _ratio))
+	  : _projection.xy2ll(_transform.img2proj(p * _ratio));
 }
 
 QRectF OfflineMap::bounds()
 {
 	return _ozf
-	  ? QRectF(QPointF(0, 0), _ozf->size(_zoom))
-	  : QRectF(QPointF(0, 0), _map.size);
+	  ? QRectF(QPointF(0, 0), _ozf->size(_zoom) / _ratio)
+	  : QRectF(QPointF(0, 0), _map.size / _ratio);
 }
 
 int OfflineMap::zoomFit(const QSize &size, const RectC &rect)

src/map/offlinemap.h

@@ -33,6 +33,7 @@ public:
 
 	void draw(QPainter *painter, const QRectF &rect, bool block);
 
+	void setDevicePixelRatio(qreal ratio) {_ratio = ratio;}
 	void load();
 	void unload();
 
@@ -42,9 +43,9 @@ public:
 	PointD ll2pp(const Coordinates &c) const
 	  {return _projection.ll2xy(c);}
 	PointD xy2pp(const QPointF &p) const
-	  {return _transform.img2proj(p);}
+	  {return _transform.img2proj(p * _ratio);}
 	QPointF pp2xy(const PointD &p) const
-	  {return _transform.proj2img(p);}
+	  {return _transform.proj2img(p) / _ratio;}
 
 private:
 	struct ImageInfo {
@@ -72,6 +73,7 @@ private:
 	ImageInfo _map, _tile;
 	int _zoom;
 	QPointF _scale;
+	qreal _ratio;
 
 	bool _valid;
 	QString _errorString;

src/map/onlinemap.cpp

@@ -42,14 +42,13 @@ static int scale2zoom(qreal scale)
 
 
 OnlineMap::OnlineMap(const QString &name, const QString &url,
-  const Range &zooms, const RectC &bounds, const Authorization &authorization,
-  QObject *parent) : Map(parent), _name(name), _zooms(zooms), _bounds(bounds),
-  _valid(false)
+  const Range &zooms, const RectC &bounds, qreal tileRatio,
+  const Authorization &authorization, QObject *parent)
+	: Map(parent), _name(name), _zooms(zooms), _bounds(bounds),
+	_zoom(_zooms.max()), _deviceRatio(1.0), _tileRatio(tileRatio), _valid(false)
 {
 	QString dir(TILES_DIR + "/" + _name);
 
-	_zoom = _zooms.max();
-
 	_tileLoader = new TileLoader(this);
 	_tileLoader->setUrl(url);
 	_tileLoader->setDir(dir);
@@ -86,7 +85,7 @@ int OnlineMap::zoomFit(const QSize &size, const RectC &rect)
 	else {
 		QRectF tbr(ll2m(rect.topLeft()), ll2m(rect.bottomRight()));
 		QPointF sc(tbr.width() / size.width(), tbr.height() / size.height());
-		_zoom = limitZoom(scale2zoom(qMax(sc.x(), -sc.y())));
+		_zoom = limitZoom(scale2zoom(qMax(sc.x(), -sc.y()) / coordinatesRatio()));
 	}
 
 	return _zoom;
@@ -112,19 +111,34 @@ int OnlineMap::zoomOut()
 	return _zoom;
 }
 
+qreal OnlineMap::coordinatesRatio() const
+{
+	return _deviceRatio > 1.0 ? _deviceRatio / _tileRatio : 1.0;
+}
+
+qreal OnlineMap::imageRatio() const
+{
+	return _deviceRatio > 1.0 ? _deviceRatio : _tileRatio;
+}
+
+qreal OnlineMap::tileSize() const
+{
+	return (TILE_SIZE / coordinatesRatio());
+}
+
 void OnlineMap::draw(QPainter *painter, const QRectF &rect, bool block)
 {
 	qreal scale = zoom2scale(_zoom);
 
 	QPoint tile = mercator2tile(QPointF(rect.topLeft().x() * scale,
-	  -rect.topLeft().y() * scale), _zoom);
-	QPoint tl = QPoint((int)floor(rect.left() / (qreal)TILE_SIZE)
-	  * TILE_SIZE, (int)floor(rect.top() / TILE_SIZE) * TILE_SIZE);
+	  -rect.topLeft().y() * scale) * coordinatesRatio(), _zoom);
+	QPointF tl(floor(rect.left() / tileSize())
+	  * tileSize(), floor(rect.top() / tileSize()) * tileSize());
 
 	QList<Tile> tiles;
 	QSizeF s(rect.right() - tl.x(), rect.bottom() - tl.y());
-	for (int i = 0; i < ceil(s.width() / TILE_SIZE); i++)
-		for (int j = 0; j < ceil(s.height() / TILE_SIZE); j++)
+	for (int i = 0; i < ceil(s.width() / tileSize()); i++)
+		for (int j = 0; j < ceil(s.height() / tileSize()); j++)
 			tiles.append(Tile(QPoint(tile.x() + i, tile.y() + j), _zoom));
 
 	if (block)
@@ -134,10 +148,14 @@ void OnlineMap::draw(QPainter *painter, const QRectF &rect, bool block)
 
 	for (int i = 0; i < tiles.count(); i++) {
 		Tile &t = tiles[i];
-		QPoint tp(tl.x() + (t.xy().x() - tile.x()) * TILE_SIZE,
-		  tl.y() + (t.xy().y() - tile.y()) * TILE_SIZE);
-		if (!t.pixmap().isNull())
+		QPointF tp(tl.x() + (t.xy().x() - tile.x()) * tileSize(),
+		  tl.y() + (t.xy().y() - tile.y()) * tileSize());
+		if (!t.pixmap().isNull()) {
+#ifdef ENABLE_HIDPI
+			t.pixmap().setDevicePixelRatio(imageRatio());
+#endif // ENABLE_HIDPI
 			painter->drawPixmap(tp, t.pixmap());
+		}
 	}
 }
 
@@ -145,11 +163,11 @@ QPointF OnlineMap::ll2xy(const Coordinates &c)
 {
 	qreal scale = zoom2scale(_zoom);
 	QPointF m = ll2m(c);
-	return QPointF(m.x() / scale, m.y() / -scale);
+	return QPointF(m.x() / scale, m.y() / -scale) / coordinatesRatio();
 }
 
 Coordinates OnlineMap::xy2ll(const QPointF &p)
 {
 	qreal scale = zoom2scale(_zoom);
-	return m2ll(QPointF(p.x() * scale, -p.y() * scale));
+	return m2ll(QPointF(p.x() * scale, -p.y() * scale) * coordinatesRatio());
 }

src/map/onlinemap.h

@@ -12,7 +12,7 @@ class OnlineMap : public Map
 
 public:
 	OnlineMap(const QString &name, const QString &url, const Range &zooms,
-	  const RectC &bounds, const Authorization &authorization,
+	  const RectC &bounds, qreal tileRatio, const Authorization &authorization,
 	  QObject *parent = 0);
 
 	QString name() const {return _name;}
@@ -31,6 +31,7 @@ public:
 
 	void draw(QPainter *painter, const QRectF &rect, bool block);
 
+	void setDevicePixelRatio(qreal ratio) {_deviceRatio = ratio;}
 	void clearCache() {_tileLoader->clearCache();}
 
 	bool isValid() const {return _valid;}
@@ -38,12 +39,16 @@ public:
 
 private:
 	int limitZoom(int zoom) const;
+	qreal tileSize() const;
+	qreal coordinatesRatio() const;
+	qreal imageRatio() const;
 
 	TileLoader *_tileLoader;
 	QString _name;
 	Range _zooms;
 	RectC _bounds;
 	int _zoom;
+	qreal _deviceRatio, _tileRatio;
 
 	bool _valid;
 	QString _errorString;

src/map/wmsmap.cpp

@@ -103,7 +103,7 @@ bool WMSMap::loadWMS()
 
 WMSMap::WMSMap(const QString &name, const WMS::Setup &setup, QObject *parent)
   : Map(parent), _name(name), _setup(setup), _tileLoader(0), _zoom(0),
-  _valid(false)
+  _ratio(1.0), _valid(false)
 {
 	if (!QDir().mkpath(tilesDir())) {
 		_errorString = "Error creating tiles dir";
@@ -129,8 +129,8 @@ void WMSMap::clearCache()
 
 QRectF WMSMap::bounds()
 {
-	return QRectF(_transform.proj2img(_bbox.topLeft()),
-	  _transform.proj2img(_bbox.bottomRight()));
+	return QRectF(_transform.proj2img(_bbox.topLeft()) / _ratio,
+	  _transform.proj2img(_bbox.bottomRight()) / _ratio);
 }
 
 int WMSMap::zoomFit(const QSize &size, const RectC &rect)
@@ -146,7 +146,7 @@ int WMSMap::zoomFit(const QSize &size, const RectC &rect)
 
 		_zoom = 0;
 		for (int i = 0; i < _zooms.size(); i++) {
-			if (sd2res(_zooms.at(i)) < resolution)
+			if (sd2res(_zooms.at(i)) < resolution / _ratio)
 				break;
 			_zoom = i;
 		}
@@ -179,20 +179,25 @@ int WMSMap::zoomOut()
 
 QPointF WMSMap::ll2xy(const Coordinates &c)
 {
-	return _transform.proj2img(_projection.ll2xy(c));
+	return _transform.proj2img(_projection.ll2xy(c)) / _ratio;
 }
 
 Coordinates WMSMap::xy2ll(const QPointF &p)
 {
-	return _projection.xy2ll(_transform.img2proj(p));
+	return _projection.xy2ll(_transform.img2proj(p * _ratio));
+}
+
+qreal WMSMap::tileSize() const
+{
+	return (TILE_SIZE / _ratio);
 }
 
 void WMSMap::draw(QPainter *painter, const QRectF &rect, bool block)
 {
-	QPoint tl = QPoint((int)floor(rect.left() / (qreal)TILE_SIZE),
-	  (int)floor(rect.top() / (qreal)TILE_SIZE));
-	QPoint br = QPoint((int)ceil(rect.right() / (qreal)TILE_SIZE),
-	  (int)ceil(rect.bottom() / (qreal)TILE_SIZE));
+	QPoint tl = QPoint((int)floor(rect.left() / tileSize()),
+	  (int)floor(rect.top() / tileSize()));
+	QPoint br = QPoint((int)ceil(rect.right() / tileSize()),
+	  (int)ceil(rect.bottom() / tileSize()));
 
 	QList<Tile> tiles;
 	for (int i = tl.x(); i < br.x(); i++) {
@@ -216,8 +221,12 @@ void WMSMap::draw(QPainter *painter, const QRectF &rect, bool block)
 
 	for (int i = 0; i < tiles.count(); i++) {
 		Tile &t = tiles[i];
-		QPoint tp(t.xy().x() * TILE_SIZE, t.xy().y() * TILE_SIZE);
-		if (!t.pixmap().isNull())
+		QPointF tp(t.xy().x() * tileSize(), t.xy().y() * tileSize());
+		if (!t.pixmap().isNull()) {
+#ifdef ENABLE_HIDPI
+			t.pixmap().setDevicePixelRatio(_ratio);
+#endif // ENABLE_HIDPI
 			painter->drawPixmap(tp, t.pixmap());
+		}
 	}
 }

src/map/wmsmap.h

@@ -31,6 +31,7 @@ public:
 
 	void draw(QPainter *painter, const QRectF &rect, bool block);
 
+	void setDevicePixelRatio(qreal ratio) {_ratio = ratio;}
 	void clearCache();
 
 	bool isValid() const {return _valid;}
@@ -43,6 +44,7 @@ private:
 	void computeZooms(const RangeF &scaleDenominator);
 	void updateTransform();
 	bool loadWMS();
+	qreal tileSize() const;
 
 	QString _name;
 
@@ -54,6 +56,7 @@ private:
 	QVector<double> _zooms;
 	RectD _bbox;
 	int _zoom;
+	qreal _ratio;
 
 	bool _valid;
 	QString _errorString;

src/map/wmtsmap.cpp

@@ -35,9 +35,9 @@ bool WMTSMap::loadWMTS()
 	return true;
 }
 
-WMTSMap::WMTSMap(const QString &name, const WMTS::Setup &setup, QObject *parent)
-  : Map(parent), _name(name), _setup(setup), _tileLoader(0), _zoom(0),
-  _valid(false)
+WMTSMap::WMTSMap(const QString &name, const WMTS::Setup &setup, qreal tileRatio,
+  QObject *parent) : Map(parent), _name(name), _setup(setup), _tileLoader(0),
+  _zoom(0), _deviceRatio(1.0), _tileRatio(tileRatio), _valid(false)
 {
 	if (!QDir().mkpath(tilesDir())) {
 		_errorString = "Error creating tiles dir";
@@ -105,7 +105,6 @@ QRectF WMTSMap::bounds()
 
 	bounds = _bounds.isValid() ? QRectF(ll2xy(_bounds.topLeft()),
 	  ll2xy(_bounds.bottomRight())) : QRectF();
-
 	return _bounds.isValid() ? tileBounds.intersected(bounds) : tileBounds;
 }
 
@@ -122,7 +121,8 @@ int WMTSMap::zoomFit(const QSize &size, const RectC &rect)
 
 		_zoom = 0;
 		for (int i = 0; i < _zooms.size(); i++) {
-			if (sd2res(_zooms.at(i).scaleDenominator()) < resolution)
+			if (sd2res(_zooms.at(i).scaleDenominator()) < resolution
+			  / coordinatesRatio())
 				break;
 			_zoom = i;
 		}
@@ -153,13 +153,31 @@ int WMTSMap::zoomOut()
 	return _zoom;
 }
 
+qreal WMTSMap::coordinatesRatio() const
+{
+	return _deviceRatio > 1.0 ? _deviceRatio / _tileRatio : 1.0;
+}
+
+qreal WMTSMap::imageRatio() const
+{
+	return _deviceRatio > 1.0 ? _deviceRatio : _tileRatio;
+}
+
+QSizeF WMTSMap::tileSize(const WMTS::Zoom &zoom) const
+{
+	return QSizeF(zoom.tile().width() / coordinatesRatio(),
+	  zoom.tile().height() / coordinatesRatio());
+}
+
 void WMTSMap::draw(QPainter *painter, const QRectF &rect, bool block)
 {
 	const WMTS::Zoom &z = _zooms.at(_zoom);
-	QPoint tl = QPoint((int)floor(rect.left() / (qreal)z.tile().width()),
-	  (int)floor(rect.top() / (qreal)z.tile().height()));
-	QPoint br = QPoint((int)ceil(rect.right() / (qreal)z.tile().width()),
-	  (int)ceil(rect.bottom() / (qreal)z.tile().height()));
+	QSizeF ts(tileSize(z));
+
+	QPoint tl = QPoint((int)floor(rect.left() / ts.width()),
+	  (int)floor(rect.top() / ts.height()));
+	QPoint br = QPoint((int)ceil(rect.right() / ts.width()),
+	  (int)ceil(rect.bottom() / ts.height()));
 
 	QList<Tile> tiles;
 	for (int i = tl.x(); i < br.x(); i++)
@@ -173,18 +191,22 @@ void WMTSMap::draw(QPainter *painter, const QRectF &rect, bool block)
 
 	for (int i = 0; i < tiles.count(); i++) {
 		Tile &t = tiles[i];
-		QPoint tp(t.xy().x() * z.tile().width(), t.xy().y() * z.tile().height());
-		if (!t.pixmap().isNull())
+		QPointF tp(t.xy().x() * ts.width(), t.xy().y() * ts.height());
+		if (!t.pixmap().isNull()) {
+#ifdef ENABLE_HIDPI
+			t.pixmap().setDevicePixelRatio(imageRatio());
+#endif // ENABLE_HIDPI
 			painter->drawPixmap(tp, t.pixmap());
+		}
 	}
 }
 
 QPointF WMTSMap::ll2xy(const Coordinates &c)
 {
-	return _transform.proj2img(_projection.ll2xy(c));
+	return _transform.proj2img(_projection.ll2xy(c)) / coordinatesRatio();
 }
 
 Coordinates WMTSMap::xy2ll(const QPointF &p)
 {
-	return _projection.xy2ll(_transform.img2proj(p));
+	return _projection.xy2ll(_transform.img2proj(p * coordinatesRatio()));
 }

src/map/wmtsmap.h

@@ -13,7 +13,8 @@ class WMTSMap : public Map
 	Q_OBJECT
 
 public:
-	WMTSMap(const QString &name, const WMTS::Setup &setup, QObject *parent = 0);
+	WMTSMap(const QString &name, const WMTS::Setup &setup, qreal tileRatio,
+	  QObject *parent = 0);
 
 	QString name() const {return _name;}
 
@@ -30,6 +31,7 @@ public:
 
 	void draw(QPainter *painter, const QRectF &rect, bool block);
 
+	void setDevicePixelRatio(qreal ratio) {_deviceRatio = ratio;}
 	void clearCache();
 
 	bool isValid() const {return _valid;}
@@ -40,6 +42,9 @@ private:
 	double sd2res(double scaleDenominator) const;
 	QString tilesDir() const;
 	void updateTransform();
+	QSizeF tileSize(const WMTS::Zoom &zoom) const;
+	qreal coordinatesRatio() const;
+	qreal imageRatio() const;
 
 	QString _name;
 	WMTS::Setup _setup;
@@ -50,6 +55,7 @@ private:
 	Transform _transform;
 	CoordinateSystem _cs;
 	int _zoom;
+	qreal _deviceRatio, _tileRatio;
 
 	bool _valid;
 	QString _errorString;