Added missing libgeotrans Source Code Disclaimer

Fixed broken UTM zone setup
Added New Zealand TM 2000 "projection" support

Info.plist

@@ -0,0 +1,251 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+	<key>CFBundleIconFile</key>
+	<string>@ICON@</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>@SHORT_VERSION@</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleExecutable</key>
+	<string>@EXECUTABLE@</string>
+	<key>CFBundleIdentifier</key>
+	<string>cz.wz.tumic.GPXSee</string>
+
+	<key>CFBundleDocumentTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>gpx</string>
+			</array>
+			<key>CFBundleTypeMIMETypes</key>
+			<array>
+				<string>application/gpx+xml</string>
+			</array>
+			<key>CFBundleTypeIconFile</key>
+			<string>gpx.icns</string>
+			<key>CFBundleTypeName</key>
+			<string>GPS Exchange Format</string>
+			<key>CFBundleTypeRole</key>
+			<string>Viewer</string>
+		</dict>
+		<dict>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>tcx</string>
+			</array>
+			<key>CFBundleTypeMIMETypes</key>
+			<array>
+				<string>application/tcx+xml</string>
+			</array>
+			<key>CFBundleTypeIconFile</key>
+			<string>tcx.icns</string>
+			<key>CFBundleTypeName</key>
+			<string>Training Center XML</string>
+			<key>CFBundleTypeRole</key>
+			<string>Viewer</string>
+		</dict>
+		<dict>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>kml</string>
+			</array>
+			<key>CFBundleTypeMIMETypes</key>
+			<array>
+				<string>application/vnd.google-earth.kml+xml</string>
+			</array>
+			<key>CFBundleTypeIconFile</key>
+			<string>kml.icns</string>
+			<key>CFBundleTypeName</key>
+			<string>Keyhole Markup Language</string>
+			<key>CFBundleTypeRole</key>
+			<string>Viewer</string>
+		</dict>
+		<dict>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>fit</string>
+			</array>
+			<key>CFBundleTypeMIMETypes</key>
+			<array>
+				<string>application/vnd.ant.fit</string>
+			</array>
+			<key>CFBundleTypeIconFile</key>
+			<string>fit.icns</string>
+			<key>CFBundleTypeName</key>
+			<string>Flexible and Interoperable Data Transfer</string>
+			<key>CFBundleTypeRole</key>
+			<string>Viewer</string>
+		</dict>
+		<dict>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>igc</string>
+			</array>
+			<key>CFBundleTypeMIMETypes</key>
+			<array>
+				<string>application/vnd.fai.igc</string>
+			</array>
+			<key>CFBundleTypeIconFile</key>
+			<string>igc.icns</string>
+			<key>CFBundleTypeName</key>
+			<string>Flight Recorder Data Format</string>
+			<key>CFBundleTypeRole</key>
+			<string>Viewer</string>
+		</dict>
+		<dict>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>nmea</string>
+			</array>
+			<key>CFBundleTypeMIMETypes</key>
+			<array>
+				<string>application/vnd.nmea.nmea</string>
+			</array>
+			<key>CFBundleTypeIconFile</key>
+			<string>nmea.icns</string>
+			<key>CFBundleTypeName</key>
+			<string>NMEA 0183 data</string>
+			<key>CFBundleTypeRole</key>
+			<string>Viewer</string>
+		</dict>
+	</array>
+
+	<key>UTImportedTypeDeclarations</key>
+	<array>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>com.topografix.gpx</string>
+			<key>UTTypeReferenceURL</key>
+			<string>http://www.topografix.com/GPX/1/1</string>
+			<key>UTTypeDescription</key>
+			<string>GPS Exchange Format</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.xml</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>gpx</string>
+				</array>
+				<key>public.mime-type</key>
+				<string>application/gpx+xml</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>com.garmin.tcx</string>
+			<key>UTTypeReferenceURL</key>
+			<string>http://www8.garmin.com/xmlschemas/TrainingCenterDatabasev2.xsd</string>
+			<key>UTTypeDescription</key>
+			<string>Training Center XML</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.xml</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>tcx</string>
+				</array>
+				<key>public.mime-type</key>
+				<string>application/tcx+xml</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>com.google.kml</string>
+			<key>UTTypeReferenceURL</key>
+			<string>https://developers.google.com/kml/documentation/kmlreference</string>
+			<key>UTTypeDescription</key>
+			<string>Keyhole Markup Language</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.xml</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>kml</string>
+				</array>
+				<key>public.mime-type</key>
+				<string>application/vnd.google-earth.kml+xml</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>com.thisisant.fit</string>
+			<key>UTTypeReferenceURL</key>
+			<string>https://www.thisisant.com/resources/fit</string>
+			<key>UTTypeDescription</key>
+			<string>Flexible and Interoperable Data Transfer</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.data</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>fit</string>
+				</array>
+				<key>public.mime-type</key>
+				<string>application/vnd.ant.fit</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>org.fai.igc</string>
+			<key>UTTypeReferenceURL</key>
+			<string>http://www.fai.org/gnss-recording-devices/igc-approved-flight-recorders</string>
+			<key>UTTypeDescription</key>
+			<string>Flight Recorder Data Format</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.data</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>igc</string>
+				</array>
+				<key>public.mime-type</key>
+				<string>application/vnd.fai.igc</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>org.nmea.nmea</string>
+			<key>UTTypeReferenceURL</key>
+			<string>http://www.nmea.org/content/nmea_standards/nmea_0183_v_410.asp</string>
+			<key>UTTypeDescription</key>
+			<string>NMEA 0183 data</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.data</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>nmea</string>
+				</array>
+				<key>public.mime-type</key>
+				<string>application/vnd.nmea.nmea</string>
+			</dict>
+		</dict>
+	</array>
+
+</dict>
+</plist>

README.md

@@ -1,29 +1,33 @@
 # GPXSee
-GPX viewer and analyzer.
+GPXSee is a Qt-based GPS log file viewer and analyzer that supports GPX, TCX,
+KML, FIT, IGC and NMEA files.
 
-* User-definable map sources.
-* Track and elevation/speed graphs.
+## Features
+* User-definable online maps.
+* Offline maps (OziExplorer maps and TrekBuddy maps/atlases).
+* Elevation, speed, heart rate, cadence, power and temperature graphs.
 * Support for multiple tracks in one view.
-* Support for POI files (Garmin CSV format).
-* Export to PDF.
+* Support for POI files.
+* Print/export to PDF.
+* Full-screen mode.
 * Native GUI for Windows, Mac OS X and Linux.
+* Opens GPX, TCX, FIT, KML, IGC, NMEA and Garmin CSV files.
+
+![GPXSee - Linux](https://a.fsdn.com/con/app/proj/gpxsee/screenshots/linux2.png)
 
 ## Build
-### Linux/OS X
 ```shell
 lrelease gpxsee.pro
 qmake gpxsee.pro
 make
 ```
-### Windows
-```shell
-lrelease gpxsee.pro
-qmake gpxsee.pro
-nmake release
-```
 
-## Binaries
-Available at Sourceforge: http://sourceforge.net/projects/gpxsee
+## Download
+* [Windows & OS X builds](http://sourceforge.net/projects/gpxsee)
+* [Linux packages](http://software.opensuse.org/download.html?project=home%3Atumic%3AGPXSee&package=gpxsee)
+
+## Changelog
+[Changelog](https://build.opensuse.org/package/view_file/home:tumic:GPXSee/gpxsee/gpxsee.changes)
 
 ## Homepage
 GPXSee homepage: http://tumic.wz.cz/gpxsee

gpxsee.nsi

@@ -1,155 +0,0 @@
-!include "MUI2.nsh"
-!include "x64.nsh"
-
-; The name of the installer
-Name "GPXSee"
-
-; The file to write
-OutFile "install.exe"
-
-; Required execution level 
-RequestExecutionLevel admin
-
-; The default installation directory
-InstallDir "$PROGRAMFILES\GPXSee"
-
-; Registry key to check for directory (so if you install again, it will 
-; overwrite the old one automatically)
-InstallDirRegKey HKLM "Software\GPXSee" "Install_Dir"
-
-; Registry key for uninstaller
-!define REGENTRY "Software\Microsoft\Windows\CurrentVersion\Uninstall\GPXSee" 
-
-; Start menu page configuration
-!define MUI_STARTMENUPAGE_REGISTRY_ROOT "HKLM" 
-!define MUI_STARTMENUPAGE_REGISTRY_KEY "Software\GPXSee" 
-!define MUI_STARTMENUPAGE_REGISTRY_VALUENAME "GPXSee" 
-
-Var StartMenuFolder
-
-;--------------------------------
-
-; Pages
-
-!insertmacro MUI_PAGE_WELCOME
-!insertmacro MUI_PAGE_LICENSE "licence.txt"
-!insertmacro MUI_PAGE_COMPONENTS
-!insertmacro MUI_PAGE_DIRECTORY
-!insertmacro MUI_PAGE_STARTMENU Application $StartMenuFolder
-!insertmacro MUI_PAGE_INSTFILES
-
-!insertmacro MUI_UNPAGE_CONFIRM
-!insertmacro MUI_UNPAGE_INSTFILES
-
-;--------------------------------
-
-; Languages
-!insertmacro MUI_LANGUAGE "English"
-
-
-; The stuff to install
-Section "GPXSee (required)" SEC_APP
-
-  SectionIn RO
-  
-  ; Set output path to the installation directory.
-  SetOutPath $INSTDIR
-  
-  ; Put file there
-  File "gpxsee.exe"
-  
-  ; Write the installation path into the registry
-  WriteRegStr HKLM SOFTWARE\GPXSee "Install_Dir" "$INSTDIR"
-  
-  ; Write the uninstall keys for Windows
-  WriteRegStr HKLM "${REGENTRY}" "DisplayName" "GPXSee"
-  WriteRegStr HKLM "${REGENTRY}" "Publisher" "Martin Tuma"
-  WriteRegStr HKLM "${REGENTRY}" "DisplayVersion" "2.7"
-  WriteRegStr HKLM "${REGENTRY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
-  WriteRegDWORD HKLM "${REGENTRY}" "NoModify" 1
-  WriteRegDWORD HKLM "${REGENTRY}" "NoRepair" 1
-  WriteUninstaller "$INSTDIR\uninstall.exe"
-
-  ; Create start menu entry and add links
-  SetShellVarContext all
-  !insertmacro MUI_STARTMENU_WRITE_BEGIN Application  
-    CreateDirectory "$SMPROGRAMS\$StartMenuFolder"
-    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\Uninstall.lnk" "$INSTDIR\Uninstall.exe"
-    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\GPXSee.lnk" "$INSTDIR\gpxsee.exe"
-  !insertmacro MUI_STARTMENU_WRITE_END
-
-SectionEnd
-
-Section "QT libs" SEC_QT
-
-  File "Qt5Core.dll"
-  File "Qt5Gui.dll"
-  File "Qt5Widgets.dll"
-  File "Qt5PrintSupport.dll"
-  File "Qt5Network.dll"
-  File "libGLESv2.dll"
-  File /r "platforms"
-  File /r "imageformats"
- 
-SectionEnd
-
-Section "MSVC runtime" SEC_MSVC
-
-  DetailPrint "Checking whether Visual C++ 2015 Redistributable is already installed..."
-  ${If} ${RunningX64}
-    ReadRegDword $R0 HKLM "SOFTWARE\Wow6432Node\Microsoft\VisualStudio\14.0\VC\Runtimes\x86" "Installed"
-  ${Else}
-    ReadRegDword $R0 HKLM "SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x86" "Installed"
-  ${EndIf}
-
-  StrCmp $R0 "1" 0 +3
-  DetailPrint "Visual C++ 2015 Redistributable is already installed, skipping install."
-  Goto done
-
-  DetailPrint "Installing Visual C++ 2015 Redistributable..."
-  SetOutPath $TEMP
-  File "VC_redist.x86.exe"
-  ExecWait '"$TEMP/VC_redist.x86.exe" /install /quiet /norestart'
-
-  done:
-SectionEnd
-
-;--------------------------------
-
-; Uninstaller
-
-Section "Uninstall"
-  
-  ; Remove registry keys
-  DeleteRegKey HKLM "${REGENTRY}"
-  DeleteRegKey HKLM SOFTWARE\GPXSee
-
-  ; Remove directories used
-  RMDir /r "$INSTDIR"
-
-  ; Remove Start menu entries
-  SetShellVarContext all
-  !insertmacro MUI_STARTMENU_GETFOLDER Application $StartMenuFolder
-  Delete "$SMPROGRAMS\$StartMenuFolder\*.*"
-  RMDir "$SMPROGRAMS\$StartMenuFolder"  
-
-SectionEnd
-
-;-------------------------------
-
-;Descriptions
-
-;Language strings
-LangString DESC_QT ${LANG_ENGLISH} \
-  "QT Library. Unselct only if you have QT already installed!"
-LangString DESC_MSVC ${LANG_ENGLISH} \
-  "Visual C++ 2015 runtime components. Unselct only if you have the runtime already installed!"
-LangString DESC_APP ${LANG_ENGLISH} \
-  "GPXSee application"
-
-;Assign language strings to sections
-!insertmacro MUI_FUNCTION_DESCRIPTION_BEGIN
-  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_QT} $(DESC_QT)
-  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_MSVC} $(DESC_MSVC) 
-  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_APP} $(DESC_APP)
-!insertmacro MUI_FUNCTION_DESCRIPTION_END

gpxsee.pro

@@ -1,20 +1,18 @@
 TARGET = GPXSee
+VERSION = 4.7
 QT += core \
     gui \
     network
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 greaterThan(QT_MAJOR_VERSION, 4): QT += printsupport
+lessThan(QT_VERSION, 5.4): QT += opengl
+macx: QT += opengl
 HEADERS += src/config.h \
     src/icons.h \
     src/gui.h \
-    src/gpx.h \
-    src/parser.h \
     src/poi.h \
     src/rtree.h \
-    src/ll.h \
     src/axisitem.h \
-    src/poiitem.h \
-    src/colorshop.h \
     src/keys.h \
     src/slideritem.h \
     src/markeritem.h \
@@ -24,25 +22,82 @@ HEADERS += src/config.h \
     src/sliderinfoitem.h \
     src/filebrowser.h \
     src/map.h \
-    src/maplist.h \
+    src/onlinemap.h \
     src/downloader.h \
     src/units.h \
     src/scaleitem.h \
-    src/nicenum.h \
     src/waypoint.h \
-    src/trackview.h \
     src/track.h \
     src/graphview.h \
-    src/trackpoint.h
+    src/trackpoint.h \
+    src/waypointitem.h \
+    src/palette.h \
+    src/heartrategraph.h \
+    src/range.h \
+    src/cpuarch.h \
+    src/settings.h \
+    src/app.h \
+    src/trackinfo.h \
+    src/exportdialog.h \
+    src/fileselectwidget.h \
+    src/margins.h \
+    src/temperaturegraph.h \
+    src/graphtab.h \
+    src/misc.h \
+    src/trackitem.h \
+    src/tooltip.h \
+    src/route.h \
+    src/routeitem.h \
+    src/graphitem.h \
+    src/graph.h \
+    src/pathitem.h \
+    src/pathview.h \
+    src/griditem.h \
+    src/data.h \
+    src/gpxparser.h \
+    src/tcxparser.h \
+    src/parser.h \
+    src/csvparser.h \
+    src/coordinates.h \
+    src/tile.h \
+    src/rd.h \
+    src/wgs84.h \
+    src/kmlparser.h \
+    src/trackdata.h \
+    src/routedata.h \
+    src/fitparser.h \
+    src/format.h \
+    src/path.h \
+    src/assert.h \
+    src/cadencegraph.h \
+    src/powergraph.h \
+    src/igcparser.h \
+    src/nmeaparser.h \
+    src/optionsdialog.h \
+    src/colorbox.h \
+    src/stylecombobox.h \
+    src/opengl.h \
+    src/timetype.h \
+    src/emptymap.h \
+    src/offlinemap.h \
+    src/matrix.h \
+    src/tar.h \
+    src/atlas.h \
+    src/projection.h \
+    src/mercator.h \
+    src/transversemercator.h \
+    src/latlon.h \
+    src/utm.h \
+    src/lambertconic.h \
+    src/ellipsoid.h \
+    src/ozf.h \
+    src/datum.h \
+    src/maplist.h \
+    src/albersequal.h
 SOURCES += src/main.cpp \
     src/gui.cpp \
-    src/gpx.cpp \
-    src/parser.cpp \
     src/poi.cpp \
-    src/ll.cpp \
     src/axisitem.cpp \
-    src/poiitem.cpp \
-    src/colorshop.cpp \
     src/slideritem.cpp \
     src/markeritem.cpp \
     src/infoitem.cpp \
@@ -50,15 +105,88 @@ SOURCES += src/main.cpp \
     src/speedgraph.cpp \
     src/sliderinfoitem.cpp \
     src/filebrowser.cpp \
-    src/map.cpp \
-    src/maplist.cpp \
+    src/onlinemap.cpp \
     src/downloader.cpp \
     src/scaleitem.cpp \
-    src/nicenum.cpp \
-    src/trackview.cpp \
     src/track.cpp \
-    src/graphview.cpp
+    src/graphview.cpp \
+    src/waypointitem.cpp \
+    src/palette.cpp \
+    src/heartrategraph.cpp \
+    src/range.cpp \
+    src/app.cpp \
+    src/trackinfo.cpp \
+    src/exportdialog.cpp \
+    src/fileselectwidget.cpp \
+    src/temperaturegraph.cpp \
+    src/trackpoint.cpp \
+    src/misc.cpp \
+    src/waypoint.cpp \
+    src/trackitem.cpp \
+    src/tooltip.cpp \
+    src/route.cpp \
+    src/routeitem.cpp \
+    src/graphitem.cpp \
+    src/pathitem.cpp \
+    src/pathview.cpp \
+    src/griditem.cpp \
+    src/data.cpp \
+    src/gpxparser.cpp \
+    src/tcxparser.cpp \
+    src/csvparser.cpp \
+    src/coordinates.cpp \
+    src/kmlparser.cpp \
+    src/fitparser.cpp \
+    src/format.cpp \
+    src/graph.cpp \
+    src/cadencegraph.cpp \
+    src/powergraph.cpp \
+    src/igcparser.cpp \
+    src/path.cpp \
+    src/nmeaparser.cpp \
+    src/optionsdialog.cpp \
+    src/colorbox.cpp \
+    src/stylecombobox.cpp \
+    src/emptymap.cpp \
+    src/offlinemap.cpp \
+    src/matrix.cpp \
+    src/tar.cpp \
+    src/atlas.cpp \
+    src/mercator.cpp \
+    src/transversemercator.cpp \
+    src/utm.cpp \
+    src/lambertconic.cpp \
+    src/ellipsoid.cpp \
+    src/ozf.cpp \
+    src/datum.cpp \
+    src/maplist.cpp \
+    src/albersequal.cpp
 RESOURCES += gpxsee.qrc
-TRANSLATIONS = lang/gpxsee_cs.ts
-macx:ICON = icons/gpxsee.icns
-win32:RC_FILE = gpxsee.rc
+TRANSLATIONS = lang/gpxsee_cs.ts \
+    lang/gpxsee_sv.ts \
+    lang/gpxsee_de.ts
+macx {
+    ICON = icons/gpxsee.icns
+    QMAKE_INFO_PLIST = Info.plist
+    APP_RESOURCES.files = icons/gpx.icns \
+        icons/tcx.icns \
+        icons/kml.icns \
+        icons/fit.icns \
+        icons/igc.icns \
+        icons/nmea.icns \
+        pkg/maps.txt \
+        pkg/ellipsoids.csv \
+        pkg/datums.csv
+    APP_RESOURCES.path = Contents/Resources
+    QMAKE_BUNDLE_DATA += APP_RESOURCES
+}
+win32 {
+    RC_ICONS = icons/gpxsee.ico \
+        icons/gpx.ico \
+        icons/tcx.ico \
+        icons/kml.ico \
+        icons/fit.ico \
+        icons/igc.ico \
+        icons/nmea.ico
+}
+DEFINES += APP_VERSION=\\\"$$VERSION\\\"

gpxsee.qrc

@@ -2,8 +2,8 @@
     <qresource prefix="/">
         <file>icons/dialog-close.png</file>
         <file>icons/document-open.png</file>
-        <file>icons/document-save-as.png</file>
-        <file>icons/document-save.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>
@@ -13,7 +13,14 @@
         <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-stacked.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>lang/gpxsee_cs.qm</file>
-        <file>maps.txt</file>
+        <file>lang/gpxsee_sv.qm</file>
+        <file>lang/gpxsee_de.qm</file>
     </qresource>
 </RCC>

gpxsee.rc

@@ -1 +0,0 @@
-IDI_ICON1               ICON    DISCARDABLE     "icons/gpxsee.ico"

icons/fit.svg

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+     borderopacity="1"
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+     gridtolerance="10"
+     guidetolerance="10"
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+     inkscape:pageshadow="2"
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+     inkscape:zoom="3.1351351"
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+        <dc:type
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+     sodipodi:linespacing="100%"><tspan
+       sodipodi:role="line"
+       id="tspan3429"
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+</svg>

icons/gpx.svg

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+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   id="svg3390"
+   height="185"
+   width="185">
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+     id="metadata3404">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs3402" />
+  <path
+     style="fill:#ffffff;stroke:#999999;stroke-width:2.18774867"
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+  </g>
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+       x="31.672857"
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+</svg>

icons/igc.svg

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+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
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+   height="185"
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+      <cc:Work
+         rdf:about="">
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+        <dc:type
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+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
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+     transform="scale(0.9437456,1.0596076)"><tspan
+       y="155.86783"
+       x="40.149723"
+       id="tspan3448">IGC</tspan></text>
+</svg>

icons/kml.svg

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+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
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+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
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+   height="185"
+   id="svg3390"
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+        <dc:title></dc:title>
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+  </g>
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+     style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:40px;line-height:100%;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Bold';text-align:start;letter-spacing:0px;word-spacing:0px;writing-mode:lr;text-anchor:start;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;"
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+     id="text3921"
+     transform="scale(0.9437456,1.0596076)"><tspan
+       id="tspan3429">KML</tspan></text>
+</svg>

icons/nmea.svg

@@ -0,0 +1,145 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   id="svg3390"
+   height="185"
+   width="185">
+  <metadata
+     id="metadata3404">
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+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
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+     id="defs3402" />
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+     id="text3921"
+     y="155.86783"
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+     xml:space="preserve"><tspan
+       y="155.86783"
+       x="21.076782"
+       id="tspan3429">NMEA</tspan></text>
+</svg>

icons/tcx.svg

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   width="185"
+   height="185"
+   id="svg3390"
+   version="1.1">
+  <metadata
+     id="metadata3404">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
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+     id="defs3402" />
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+    <polyline
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+       points="62.3563,178.566 73.5,125.854 96,151.875 113,90.875 136.5,172.375 148.831,160.03 "
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+         r="7.0209999"
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+       id="g3729">
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+    <g
+       id="g3735">
+      <circle
+         r="7.0209999"
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+         r="7.0209999"
+         id="ellipse3739"
+         cy="186.39999"
+         cx="60.700001"
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2" />
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+    <g
+       id="g3741">
+      <circle
+         r="7.0209999"
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+         cy="154.354"
+         cx="154.5"
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2" />
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+    <g
+       id="g3747">
+      <circle
+         r="7.0209999"
+         id="ellipse3749"
+         cy="151.875"
+         cx="96"
+         style="fill:#000000" />
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+         r="7.0209999"
+         id="ellipse3751"
+         cy="151.875"
+         cx="96"
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2" />
+    </g>
+  </g>
+  <text
+     xml:space="preserve"
+     style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:40px;line-height:100%;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Bold';text-align:start;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+     x="35.911289"
+     y="155.86783"
+     id="text3921"
+     transform="scale(0.9437456,1.0596076)"><tspan
+       y="155.86783"
+       x="35.911289"
+       id="tspan3429">TCX</tspan></text>
+</svg>

maps.txt

@@ -1,2 +0,0 @@
-Thunderforest	http://tile.thunderforest.com/outdoors/$z/$x/$y.png
-Open Street Map	http://tile.openstreetmap.org/$z/$x/$y.png

pkg/datums.csv

@@ -0,0 +1,123 @@
+Adindan,4201,5,-162,-12,206
+Afgooye,4205,15,-43,-163,45
+Ain el Abd 1970,4204,14,-150,-251,-2
+Anna 1 Astro 1965,4708,2,-491,-22,435
+Arc 1950,4209,5,-143,-90,-294
+Arc 1960,4210,5,-160,-8,-300
+Ascension Island 1958,4712,14,-207,107,52
+Astro B4 Sorol Atoll,4707,14,114,-116,-333
+Astro Beacon 1945,4709,14,145,75,-272
+Astro DOS 71/4,4710,14,-320,550,-494
+Astronomic Stn 1952,4711,14,124,-234,-25
+Australian Geodetic 1966,4202,2,-133,-48,148
+Australian Geodetic 1984,4203,2,-134,-48,149
+Australian Geocentric 1994 (GDA94),4283,11,0,0,0 
+Austrian,4312,3,594,84,471
+Bellevue (IGN),4714,14,-127,-769,472
+Bermuda 1957,4216,4,-73,213,296
+Bogota Observatory,4218,14,307,304,-318
+Campo Inchauspe,4221,14,-148,136,90
+Canton Astro 1966,4716,14,298,-304,-375
+Cape,4222,5,-136,-108,-292
+Cape Canaveral,4717,4,-2,150,181
+Carthage,4223,5,-263,6,431
+CH-1903,4149,3,674,15,405
+Chatham 1971,4672,14,175,-38,113
+Chua Astro,4224,14,-134,229,-29
+Corrego Alegre,4225,14,-206,172,-6
+Djakarta (Batavia),4211,3,-377,681,-50
+DOS 1968,,14,230,-199,-752
+Easter Island 1967,4719,14,211,147,111
+Egypt,,14,-130,-117,-151
+European 1950,4230,14,-87,-98,-121
+European 1950 (Mean France),,14,-87,-96,-120
+European 1950 (Spain and Portugal),,14,-84,-107,-120 
+European 1979,4668,14,-86,-98,-119
+Finland Hayford,4123,14,-78,-231,-97
+Gandajika Base,4233,14,-133,-321,50
+Geodetic Datum 1949,4272,14,84,-22,209
+GGRS 87,4121,11,-199.87,74.79,246.62
+Guam 1963,4675,4,-100,-248,259
+GUX 1 Astro,4718,14,252,-209,-751
+Hartebeeshoek94,4148,20,0,0,0
+Hermannskogel,3906,3,653,-212,449
+Hjorsey 1955,4658,14,-73,46,-86
+Hong Kong 1963,4739,14,-156,-271,-189
+Hu-Tzu-Shan,4236,14,-634,-549,-201
+Indian Bangladesh,4682,6,289,734,257
+Indian Thailand,4240,6,214,836,303
+Israeli,4281,23,-235,-85,264
+Ireland 1965,4299,1,506,-122,611
+ISTS 073 Astro 1969,4724,14,208,-435,-229
+Johnston Island,4725,14,191,-77,-204
+Kandawala,4244,6,-97,787,86
+Kerguelen Island,4698,14,145,-187,103
+Kertau 1948,4245,7,-11,851,5
+L.C. 5 Astro,4726,4,42,124,147
+Liberia 1964,4251,5,-90,40,88
+Luzon Mindanao,,4,-133,-79,-72
+Luzon Philippines,4253,4,-133,-77,-51
+Mahe 1971,4256,5,41,-220,-134
+Marco Astro,4616,14,-289,-124,60
+Massawa,4262,3,639,405,60
+Merchich,4261,5,31,146,47
+Midway Astro 1961,4727,14,912,-58,1227
+Minna,4263,5,-92,-93,122
+NAD27 Alaska,,4,-5,135,172
+NAD27 Bahamas,,4,-4,154,178
+NAD27 Canada,,4,-10,158,187
+NAD27 Canal Zone,,4,0,125,201
+NAD27 Caribbean,,4,-7,152,178
+NAD27 Central,,4,0,125,194
+NAD27 CONUS,,4,-8,160,176
+NAD27 Cuba,,4,-9,152,178
+NAD27 Greenland,,4,11,114,195
+NAD27 Mexico,,4,-12,130,190
+NAD27 San Salvador,,4,1,140,165
+NAD83,4269,11,0,0,0
+Nahrwn Masirah Ilnd,,5,-247,-148,369
+Nahrwn Saudi Arbia,,5,-231,-196,482
+Nahrwn United Arab,,5,-249,-156,381
+Naparima BWI,4271,14,-2,374,172
+NGO1948,4273,27,315,-217,528
+NTF France,4275,24,-168,-60,320
+Norsk,4817,27,278,93,474
+NZGD1949,4272,14,84,-22,209
+NZGD2000,4167,20,0,0,0
+Observatorio 1966,4182,14,-425,-169,81
+Old Egyptian,4229,12,-130,110,-13
+Old Hawaiian,4135,4,61,-285,-181
+Oman,4232,5,-346,-1,224
+Ord Srvy Grt Britn,4277,0,375,-111,431
+Pico De Las Nieves,4728,14,-307,-92,127
+Pitcairn Astro 1967,4729,14,185,165,42
+Potsdam Rauenberg DHDN,4314,3,606,23,413
+Prov So Amrican 1956,4248,14,-288,175,-376
+Prov So Chilean 1963,4254,14,16,196,93
+Puerto Rico,4139,4,11,72,-101
+Pulkovo 1942 (1),4284,15,28,-130,-95
+Pulkovo 1942 (2),4284,15,28,-130,-95
+Qatar National,4285,14,-128,-283,22
+Qornoq,4287,14,164,138,-189
+Reunion,4626,14,94,-948,-1262
+Rijksdriehoeksmeting,4289,3,593,26,478
+Rome 1940,4806,14,-225,-65,9
+RT 90,4124,3,498,-36,568
+S42,4179,15,28,-121,-77
+Santo (DOS),4730,14,170,42,84
+Sao Braz,4184,14,-203,141,53
+Sapper Hill 1943,4292,14,-355,16,74
+Schwarzeck,4293,21,616,97,-251
+South American 1969,4291,16,-57,1,-41
+South Asia,,8,7,-10,-26
+Southeast Base,4615,14,-499,-249,314
+Southwest Base,4183,14,-104,167,-38
+Timbalai 1948,4298,6,-689,691,-46
+Tokyo,4301,3,-128,481,664
+Tristan Astro 1968,4734,14,-632,438,-609
+Viti Levu 1916,4731,5,51,391,-36
+Wake-Eniwetok 1960,4732,13,101,52,-39
+WGS 72,4322,19,0,0,5
+WGS 84,4326,20,0,0,0
+Yacare,4309,14,-155,171,37
+Zanderij,4311,14,-265,120,-358

pkg/ellipsoids.csv

@@ -0,0 +1,30 @@
+0,Airy 1830,6377563.396,299.3249646
+1,Modified Airy,6377340.189,299.3249646
+2,Australian National,6378160.0,298.25 
+3,Bessel 1841,6377397.155,299.1528128
+4,Clarke 1866,6378206.4,294.9786982
+5,Clarke 1880,6378249.145,293.465
+6,Everest (India 1830),6377276.345,300.8017
+7,Everest (1948),6377304.063,300.8017
+8,Modified Fischer 1960,6378155.0,298.3
+9,Everest (Pakistan),6377309.613,300.8017
+10,Indonesian 1974,6378160.0,298.247
+11,GRS 80,6378137.0,298.257222101
+12,Helmert 1906,6378200.0,298.3
+13,Hough 1960,6378270.0,297.0
+14,International 1924,6378388.0,297.0
+15,Krassovsky 1940,6378245.0,298.3
+16,South American 1969,6378160.0,298.25
+17,Everest (Malaysia 1969),6377295.664,300.8017
+18,Everest (Sabah Sarawak),6377298.556,300.8017
+19,WGS 72,6378135.0,298.26
+20,WGS 84,6378137.0,298.257223563
+21,Bessel 1841 (Namibia),6377483.865,299.1528128
+22,Everest (India 1956),6377301.243,300.8017
+23,Clarke 1880 Palestine,6378300.789,293.466 
+24,Clarke 1880 IGN,6378249.2,293.466021
+25,Hayford 1909,6378388.0,296.959263
+26,Clarke 1858,6378350.87,294.26
+27,Bessel 1841 (Norway),6377492.0176,299.1528
+28,Plessis 1817 (France),6376523.0,308.6409971
+29,Hayford 1924,6378388.0,297.0

pkg/gpxsee.nsi

@@ -0,0 +1,255 @@
+!include "MUI2.nsh"
+!include "x64.nsh"
+!include "WinVer.nsh"
+
+; The name of the installer
+Name "GPXSee"
+; Program version
+!define VERSION "4.7"
+
+; The file to write
+OutFile "GPXSee-${VERSION}.exe"
+
+; Required execution level 
+RequestExecutionLevel admin
+
+; The default installation directory
+InstallDir "$PROGRAMFILES\GPXSee"
+
+; Installer executable info
+VIProductVersion "${VERSION}.0.0"
+VIAddVersionKey "ProductVersion" ${VERSION}
+VIAddVersionKey "FileVersion" "${VERSION}.0.0"
+VIAddVersionKey "ProductName" "GPXSee"
+VIAddVersionKey "LegalCopyright" "GPXSee project"
+VIAddVersionKey "FileDescription" "GPXSee installer"
+
+; Registry key to check for directory (so if you install again, it will 
+; overwrite the old one automatically)
+InstallDirRegKey HKLM "Software\GPXSee" "Install_Dir"
+
+; Registry key for uninstaller
+!define REGENTRY "Software\Microsoft\Windows\CurrentVersion\Uninstall\GPXSee"
+; File types registry entries
+!define REGGPX "GPXSee.gpx"
+!define REGTCX "GPXSee.tcx"
+!define REGKML "GPXSee.kml"
+!define REGFIT "GPXSee.fit"
+!define REGIGC "GPXSee.igc"
+!define REGNMEA "GPXSee.nmea"
+
+; Start menu page configuration
+!define MUI_STARTMENUPAGE_REGISTRY_ROOT "HKLM" 
+!define MUI_STARTMENUPAGE_REGISTRY_KEY "Software\GPXSee" 
+!define MUI_STARTMENUPAGE_REGISTRY_VALUENAME "GPXSee" 
+
+Var StartMenuFolder
+
+;--------------------------------
+
+; Pages
+
+!insertmacro MUI_PAGE_WELCOME
+!insertmacro MUI_PAGE_LICENSE "licence.txt"
+!insertmacro MUI_PAGE_COMPONENTS
+!insertmacro MUI_PAGE_DIRECTORY
+!insertmacro MUI_PAGE_STARTMENU Application $StartMenuFolder
+!insertmacro MUI_PAGE_INSTFILES
+
+!insertmacro MUI_UNPAGE_CONFIRM
+!insertmacro MUI_UNPAGE_INSTFILES
+
+;--------------------------------
+
+; Languages
+!insertmacro MUI_LANGUAGE "English"
+
+Function .onInit
+  ${IfNot} ${AtLeastWin7}
+    MessageBox MB_OK "GPXSee can only be installed on Windows 7 or later."
+    Abort
+  ${EndIf}
+FunctionEnd 
+
+; The stuff to install
+Section "GPXSee" SEC_APP
+
+  SectionIn RO
+  
+  ; Set output path to the installation directory.
+  SetOutPath $INSTDIR
+  
+  ; Put the files there
+  File "gpxsee.exe"
+  File "maps.txt"
+  File "ellipsoids.csv"
+  File "datums.csv"
+
+  ; Create start menu entry and add links
+  SetShellVarContext all
+  !insertmacro MUI_STARTMENU_WRITE_BEGIN Application  
+    CreateDirectory "$SMPROGRAMS\$StartMenuFolder"
+    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\Uninstall.lnk" "$INSTDIR\Uninstall.exe"
+    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\GPXSee.lnk" "$INSTDIR\gpxsee.exe"
+  !insertmacro MUI_STARTMENU_WRITE_END
+
+  ; Create the uninstaller
+  WriteUninstaller "$INSTDIR\uninstall.exe" 
+
+  ; Write the installation path into the registry
+  DetailPrint "Registering application..."
+  WriteRegStr HKLM SOFTWARE\GPXSee "Install_Dir" "$INSTDIR"
+
+  ; Write the uninstall keys for Windows
+  WriteRegStr HKLM "${REGENTRY}" "DisplayName" "GPXSee"
+  WriteRegStr HKLM "${REGENTRY}" "Publisher" "Martin Tuma"
+  WriteRegStr HKLM "${REGENTRY}" "DisplayVersion" "${VERSION}"
+  WriteRegStr HKLM "${REGENTRY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
+  WriteRegDWORD HKLM "${REGENTRY}" "NoModify" 1
+  WriteRegDWORD HKLM "${REGENTRY}" "NoRepair" 1
+
+  ; Associate file formats
+  DetailPrint "Associating file types..."
+  WriteRegStr HKCR ".gpx" "" "${REGGPX}"
+  WriteRegStr HKCR "${REGGPX}" ""  "GPS Exchange Format"
+  WriteRegStr HKCR "${REGGPX}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,1"
+  WriteRegStr HKCR "${REGGPX}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  WriteRegStr HKCR ".tcx" "" "${REGTCX}"
+  WriteRegStr HKCR "${REGTCX}" ""  "Training Center XML"
+  WriteRegStr HKCR "${REGTCX}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,2"
+  WriteRegStr HKCR "${REGTCX}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  WriteRegStr HKCR ".kml" "" "${REGKML}"
+  WriteRegStr HKCR "${REGKML}" ""  "Keyhole Markup Language"
+  WriteRegStr HKCR "${REGKML}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,3"
+  WriteRegStr HKCR "${REGKML}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  WriteRegStr HKCR ".fit" "" "${REGFIT}"
+  WriteRegStr HKCR "${REGFIT}" ""  "Flexible and Interoperable Data Transfer"
+  WriteRegStr HKCR "${REGFIT}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,4"
+  WriteRegStr HKCR "${REGFIT}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  WriteRegStr HKCR ".igc" "" "${REGIGC}"
+  WriteRegStr HKCR "${REGIGC}" ""  "Flight Recorder Data Format"
+  WriteRegStr HKCR "${REGIGC}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,5"
+  WriteRegStr HKCR "${REGIGC}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  WriteRegStr HKCR ".nmea" "" "${REGNMEA}"
+  WriteRegStr HKCR "${REGNMEA}" ""  "NMEA 0183 data"
+  WriteRegStr HKCR "${REGNMEA}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,6"
+  WriteRegStr HKCR "${REGNMEA}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+
+  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'
+
+SectionEnd
+
+Section "QT framework" SEC_QT
+
+  SectionIn RO
+
+  File "Qt5Core.dll"
+  File "Qt5Gui.dll"
+  File "Qt5Widgets.dll"
+  File "Qt5PrintSupport.dll"
+  File "Qt5Network.dll"
+  File /r "platforms"
+  File /r "imageformats"
+  File /r "printsupport"
+ 
+SectionEnd
+
+Section "MSVC runtime" SEC_MSVC
+
+  SectionIn RO
+
+  DetailPrint "Checking whether Visual C++ 2015 Redistributable is already installed..."
+  ${If} ${RunningX64}
+    ReadRegDword $R0 HKLM "SOFTWARE\Wow6432Node\Microsoft\VisualStudio\14.0\VC\Runtimes\x86" "Installed"
+  ${Else}
+    ReadRegDword $R0 HKLM "SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x86" "Installed"
+  ${EndIf}
+
+  StrCmp $R0 "1" 0 +3
+  DetailPrint "Visual C++ 2015 Redistributable is already installed, skipping install."
+  Goto done
+
+  DetailPrint "Installing Visual C++ 2015 Redistributable..."
+  SetOutPath $TEMP
+  File "VC_redist.x86.exe"
+  ExecWait '"$TEMP/VC_redist.x86.exe" /install /quiet /norestart'
+  SetOutPath $INSTDIR
+
+  done:
+SectionEnd
+
+Section "OpenSSL" SEC_OPENSSL
+
+  File "libeay32.dll"
+  File "ssleay32.dll"
+
+SectionEnd
+
+Section "ANGLE" SEC_ANGLE
+
+  File "libGLESv2.dll"
+  File "libEGL.dll"
+  File "D3DCompiler_47.dll"
+
+SectionEnd
+
+;--------------------------------
+
+; Uninstaller
+
+Section "Uninstall"
+  
+  ; Remove registry keys
+  DeleteRegKey HKLM "${REGENTRY}"
+  DeleteRegKey HKLM SOFTWARE\GPXSee
+
+  ; Remove directories used
+  RMDir /r "$INSTDIR"
+
+  ; Remove Start menu entries
+  SetShellVarContext all
+  !insertmacro MUI_STARTMENU_GETFOLDER Application $StartMenuFolder
+  Delete "$SMPROGRAMS\$StartMenuFolder\*.*"
+  RMDir "$SMPROGRAMS\$StartMenuFolder"
+
+  ; Remove GPX file association
+  DeleteRegKey HKCR "${REGGPX}"
+  DeleteRegKey HKCR ".gpx"
+  DeleteRegKey HKCR "${REGTCX}"
+  DeleteRegKey HKCR ".tcx"
+  DeleteRegKey HKCR "${REGKML}"
+  DeleteRegKey HKCR ".kml"
+  DeleteRegKey HKCR "${REGFIT}"
+  DeleteRegKey HKCR ".fit"
+  DeleteRegKey HKCR "${REGIGC}"
+  DeleteRegKey HKCR ".igc"
+  DeleteRegKey HKCR "${REGNMEA}"
+  DeleteRegKey HKCR ".nmea"
+  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'  
+
+SectionEnd
+
+;-------------------------------
+
+;Descriptions
+
+;Language strings
+LangString DESC_QT ${LANG_ENGLISH} \
+  "QT cross-platform application framework."
+LangString DESC_MSVC ${LANG_ENGLISH} \
+  "Visual C++ 2015 runtime components. If already installed, will be skipped."
+LangString DESC_OPENSSL ${LANG_ENGLISH} \
+  "OpenSSL library. Required for HTTPS to work."
+LangString DESC_ANGLE ${LANG_ENGLISH} \
+  "ANGLE (OpenGL via Direct3D). Enables OpenGL on systems without native OpenGL drivers."
+LangString DESC_APP ${LANG_ENGLISH} \
+  "GPXSee application"
+
+;Assign language strings to sections
+!insertmacro MUI_FUNCTION_DESCRIPTION_BEGIN
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_QT} $(DESC_QT)
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_OPENSSL} $(DESC_OPENSSL)
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_ANGLE} $(DESC_ANGLE)
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_MSVC} $(DESC_MSVC) 
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_APP} $(DESC_APP)
+!insertmacro MUI_FUNCTION_DESCRIPTION_END

pkg/gpxsee64.nsi

@@ -0,0 +1,258 @@
+!include "MUI2.nsh"
+!include "x64.nsh"
+!include "WinVer.nsh"
+
+; The name of the installer
+Name "GPXSee"
+; Program version
+!define VERSION "4.7"
+
+; The file to write
+OutFile "GPXSee-${VERSION}_x64.exe"
+
+; Required execution level 
+RequestExecutionLevel admin
+
+; The default installation directory
+InstallDir "$PROGRAMFILES64\GPXSee"
+
+; Installer executable info
+VIProductVersion "${VERSION}.0.0"
+VIAddVersionKey "ProductVersion" ${VERSION}
+VIAddVersionKey "FileVersion" "${VERSION}.0.0"
+VIAddVersionKey "ProductName" "GPXSee"
+VIAddVersionKey "LegalCopyright" "GPXSee project"
+VIAddVersionKey "FileDescription" "GPXSee installer (x64)"
+
+; Registry key to check for directory (so if you install again, it will 
+; overwrite the old one automatically)
+InstallDirRegKey HKLM "Software\GPXSee" "Install_Dir"
+
+; Registry key for uninstaller
+!define REGENTRY "Software\Microsoft\Windows\CurrentVersion\Uninstall\GPXSee"
+; File types registry entries
+!define REGGPX "GPXSee.gpx"
+!define REGTCX "GPXSee.tcx"
+!define REGKML "GPXSee.kml"
+!define REGFIT "GPXSee.fit"
+!define REGIGC "GPXSee.igc"
+!define REGNMEA "GPXSee.nmea"
+
+; Start menu page configuration
+!define MUI_STARTMENUPAGE_REGISTRY_ROOT "HKLM" 
+!define MUI_STARTMENUPAGE_REGISTRY_KEY "Software\GPXSee" 
+!define MUI_STARTMENUPAGE_REGISTRY_VALUENAME "GPXSee" 
+
+Var StartMenuFolder
+
+;--------------------------------
+
+; Pages
+
+!insertmacro MUI_PAGE_WELCOME
+!insertmacro MUI_PAGE_LICENSE "licence.txt"
+!insertmacro MUI_PAGE_COMPONENTS
+!insertmacro MUI_PAGE_DIRECTORY
+!insertmacro MUI_PAGE_STARTMENU Application $StartMenuFolder
+!insertmacro MUI_PAGE_INSTFILES
+
+!insertmacro MUI_UNPAGE_CONFIRM
+!insertmacro MUI_UNPAGE_INSTFILES
+
+;--------------------------------
+
+; Languages
+!insertmacro MUI_LANGUAGE "English"
+
+Function .onInit
+  ${IfNot} ${AtLeastWin7}
+    MessageBox MB_OK "GPXSee can only be installed on Windows 7 or later."
+    Abort
+  ${EndIf}
+  
+  ${If} ${RunningX64}
+    SetRegView 64
+  ${Else}  
+    MessageBox MB_OK "The 64b version of GPXSee can not be run on 32b systems."  
+    Abort  
+  ${EndIf}
+FunctionEnd 
+
+; The stuff to install
+Section "GPXSee" SEC_APP
+
+  SectionIn RO
+  
+  ; Set output path to the installation directory.
+  SetOutPath $INSTDIR
+  
+  ; Put the files there
+  File "gpxsee.exe"
+  File "maps.txt"
+  File "ellipsoids.csv"
+  File "datums.csv"
+  
+  ; Create start menu entry and add links
+  SetShellVarContext all
+  !insertmacro MUI_STARTMENU_WRITE_BEGIN Application  
+    CreateDirectory "$SMPROGRAMS\$StartMenuFolder"
+    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\Uninstall.lnk" "$INSTDIR\Uninstall.exe"
+    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\GPXSee.lnk" "$INSTDIR\gpxsee.exe"
+  !insertmacro MUI_STARTMENU_WRITE_END
+
+  ; Create the uninstaller
+  WriteUninstaller "$INSTDIR\uninstall.exe"
+  
+  ; Write the installation path into the registry
+  DetailPrint "Registering application..."
+  WriteRegStr HKLM SOFTWARE\GPXSee "Install_Dir" "$INSTDIR"
+
+  ; Write the uninstall keys for Windows
+  WriteRegStr HKLM "${REGENTRY}" "DisplayName" "GPXSee (x64)"
+  WriteRegStr HKLM "${REGENTRY}" "Publisher" "Martin Tuma"
+  WriteRegStr HKLM "${REGENTRY}" "DisplayVersion" "${VERSION}"
+  WriteRegStr HKLM "${REGENTRY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
+  WriteRegDWORD HKLM "${REGENTRY}" "NoModify" 1
+  WriteRegDWORD HKLM "${REGENTRY}" "NoRepair" 1
+
+  ; Associate file formats
+  DetailPrint "Associating file types..."
+  WriteRegStr HKCR ".gpx" "" "${REGGPX}"
+  WriteRegStr HKCR "${REGGPX}" ""  "GPS Exchange Format"
+  WriteRegStr HKCR "${REGGPX}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,1"
+  WriteRegStr HKCR "${REGGPX}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  WriteRegStr HKCR ".tcx" "" "${REGTCX}"
+  WriteRegStr HKCR "${REGTCX}" ""  "Training Center XML"
+  WriteRegStr HKCR "${REGTCX}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,2"
+  WriteRegStr HKCR "${REGTCX}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  WriteRegStr HKCR ".kml" "" "${REGKML}"
+  WriteRegStr HKCR "${REGKML}" ""  "Keyhole Markup Language"
+  WriteRegStr HKCR "${REGKML}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,3"
+  WriteRegStr HKCR "${REGKML}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  WriteRegStr HKCR ".fit" "" "${REGFIT}"
+  WriteRegStr HKCR "${REGFIT}" ""  "Flexible and Interoperable Data Transfer"
+  WriteRegStr HKCR "${REGFIT}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,4"
+  WriteRegStr HKCR "${REGFIT}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  WriteRegStr HKCR ".igc" "" "${REGIGC}"
+  WriteRegStr HKCR "${REGIGC}" ""  "Flight Recorder Data Format"
+  WriteRegStr HKCR "${REGIGC}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,5"
+  WriteRegStr HKCR "${REGIGC}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  WriteRegStr HKCR ".nmea" "" "${REGNMEA}"
+  WriteRegStr HKCR "${REGNMEA}" ""  "NMEA 0183 data"
+  WriteRegStr HKCR "${REGNMEA}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,6"
+  WriteRegStr HKCR "${REGNMEA}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  
+  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'
+
+SectionEnd
+
+Section "QT framework" SEC_QT
+
+  SectionIn RO
+
+  File "Qt5Core.dll"
+  File "Qt5Gui.dll"
+  File "Qt5Widgets.dll"
+  File "Qt5PrintSupport.dll"
+  File "Qt5Network.dll"
+  File /r "platforms"
+  File /r "imageformats"
+  File /r "printsupport"
+ 
+SectionEnd
+
+Section "MSVC runtime" SEC_MSVC
+
+  SectionIn RO
+
+  DetailPrint "Checking whether Visual C++ 2015 Redistributable is already installed..."
+  ReadRegDword $R0 HKLM "SOFTWARE\Wow6432Node\Microsoft\VisualStudio\14.0\VC\Runtimes\x64" "Installed"
+  StrCmp $R0 "1" 0 +3
+  DetailPrint "Visual C++ 2015 Redistributable is already installed, skipping install."
+  Goto done
+
+  DetailPrint "Installing Visual C++ 2015 Redistributable..."
+  SetOutPath $TEMP
+  File "VC_redist.x64.exe"
+  ExecWait '"$TEMP/VC_redist.x64.exe" /install /quiet /norestart'
+  SetOutPath $INSTDIR
+
+  done:
+SectionEnd
+
+Section "OpenSSL" SEC_OPENSSL
+
+  File "libeay32.dll"
+  File "ssleay32.dll"
+
+SectionEnd
+
+Section "ANGLE" SEC_ANGLE
+
+  File "libGLESv2.dll"
+  File "libEGL.dll"
+  File "D3DCompiler_47.dll"
+
+SectionEnd
+
+;--------------------------------
+
+; Uninstaller
+
+Section "Uninstall"
+  
+  ; Remove registry keys
+  SetRegView 64
+  DeleteRegKey HKLM "${REGENTRY}"
+  DeleteRegKey HKLM SOFTWARE\GPXSee
+
+  ; Remove directories used
+  RMDir /r "$INSTDIR"
+
+  ; Remove Start menu entries
+  SetShellVarContext all
+  !insertmacro MUI_STARTMENU_GETFOLDER Application $StartMenuFolder
+  Delete "$SMPROGRAMS\$StartMenuFolder\*.*"
+  RMDir "$SMPROGRAMS\$StartMenuFolder"
+  
+  ; Remove File associations
+  DeleteRegKey HKCR "${REGGPX}"
+  DeleteRegKey HKCR ".gpx"
+  DeleteRegKey HKCR "${REGTCX}"
+  DeleteRegKey HKCR ".tcx"
+  DeleteRegKey HKCR "${REGKML}"
+  DeleteRegKey HKCR ".kml"
+  DeleteRegKey HKCR "${REGFIT}"
+  DeleteRegKey HKCR ".fit"
+  DeleteRegKey HKCR "${REGIGC}"
+  DeleteRegKey HKCR ".igc"
+  DeleteRegKey HKCR "${REGNMEA}"
+  DeleteRegKey HKCR ".nmea"
+  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'
+
+SectionEnd
+
+;-------------------------------
+
+;Descriptions
+
+;Language strings
+LangString DESC_QT ${LANG_ENGLISH} \
+  "QT cross-platform application framework."
+LangString DESC_MSVC ${LANG_ENGLISH} \
+  "Visual C++ 2015 runtime components. If already installed, will be skipped."
+LangString DESC_OPENSSL ${LANG_ENGLISH} \
+  "OpenSSL library. Required for HTTPS to work."
+LangString DESC_ANGLE ${LANG_ENGLISH} \
+  "ANGLE (OpenGL via Direct3D). Enables OpenGL on systems without native OpenGL drivers."
+LangString DESC_APP ${LANG_ENGLISH} \
+  "GPXSee application"
+
+;Assign language strings to sections
+!insertmacro MUI_FUNCTION_DESCRIPTION_BEGIN
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_QT} $(DESC_QT)
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_OPENSSL} $(DESC_OPENSSL)
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_ANGLE} $(DESC_ANGLE)
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_MSVC} $(DESC_MSVC) 
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_APP} $(DESC_APP)
+!insertmacro MUI_FUNCTION_DESCRIPTION_END

pkg/maps.txt

@@ -0,0 +1,4 @@
+Open Topo Map	https://a.tile.opentopomap.org/$z/$x/$y.png
+Open Street Map	http://tile.openstreetmap.org/$z/$x/$y.png
+USGS Topo	https://navigator.er.usgs.gov/tiles/tcr.cgi/$z/$x/$y.png
+USGS Imagery	https://navigator.er.usgs.gov/tiles/aerial_Imagery.cgi/$z/$x/$y

src/albersequal.cpp

@@ -0,0 +1,230 @@
+/*
+ * Based on libgeotrans with the following Source Code Disclaimer:
+
+1. The GEOTRANS source code ("the software") is provided free of charge by
+the National Imagery and Mapping Agency (NIMA) of the United States
+Department of Defense. Although NIMA makes no copyright claim under Title 17
+U.S.C., NIMA claims copyrights in the source code under other legal regimes.
+NIMA hereby grants to each user of the software a license to use and
+distribute the software, and develop derivative works.
+
+2. Warranty Disclaimer: The software was developed to meet only the internal
+requirements of the U.S. National Imagery and Mapping Agency. The software
+is provided "as is," and no warranty, express or implied, including but not
+limited to the implied warranties of merchantability and fitness for
+particular purpose or arising by statute or otherwise in law or from a
+course of dealing or usage in trade, is made by NIMA as to the accuracy and
+functioning of the software.
+
+3. NIMA and its personnel are not required to provide technical support or
+general assistance with respect to the software.
+
+4. Neither NIMA nor its personnel will be liable for any claims, losses, or
+damages arising from or connected with the use of the software. The user
+agrees to hold harmless the United States National Imagery and Mapping
+Agency. The user's sole and exclusive remedy is to stop using the software.
+
+5. NIMA requests that products developed using the software credit the
+source of the software with the following statement, "The product was
+developed using GEOTRANS, a product of the National Imagery and Mapping
+Agency and U.S. Army Engineering Research and Development Center."
+
+6. For any products developed using the software, NIMA requires a disclaimer
+that use of the software does not indicate endorsement or approval of the
+product by the Secretary of Defense or the National Imagery and Mapping
+Agency. Pursuant to the United States Code, 10 U.S.C. Sec. 2797, the name of
+the National Imagery and Mapping Agency, the initials "NIMA", the seal of
+the National Imagery and Mapping Agency, or any colorable imitation thereof
+shall not be used to imply approval, endorsement, or authorization of a
+product without prior written permission from United States Secretary of
+Defense.
+
+*/
+
+#include "ellipsoid.h"
+#include "rd.h"
+#include "albersequal.h"
+
+
+#ifndef M_PI_2
+	#define M_PI_2 1.57079632679489661923
+#endif // M_PI_2
+
+#define ONE_MINUS_SQR(x) (1.0 - (x) * (x))
+#define ALBERS_Q(slat, one_minus_sqr_es_sin, es_sin) \
+	(_one_minus_es2 * ((slat) / (one_minus_sqr_es_sin) - \
+	(1 / (_two_es)) * log((1 - (es_sin)) / (1 + (es_sin)))))
+#define ALBERS_M(clat, one_minus_sqr_es_sin) \
+	((clat) / sqrt(one_minus_sqr_es_sin))
+
+
+AlbersEqual::AlbersEqual(const Ellipsoid &ellipsoid, double standardParallel1,
+  double standardParallel2, double latitudeOrigin, double longitudeOrigin,
+  double falseEasting, double falseNorthing)
+{
+	double sin_lat, sin_lat1, sin_lat2, cos_lat1, cos_lat2;
+	double m1, m2, sqr_m1, sqr_m2;
+	double q0, q1, q2;
+	double es_sin, es_sin1, es_sin2;
+	double one_minus_sqr_es_sin1, one_minus_sqr_es_sin2;
+	double nq0;
+	double sp1, sp2;
+
+
+	_e = ellipsoid;
+	_latitudeOrigin = deg2rad(latitudeOrigin);
+	_longitudeOrigin = deg2rad(longitudeOrigin);
+	_falseEasting = falseEasting;
+	_falseNorthing = falseNorthing;
+
+	sp1 = deg2rad(standardParallel1);
+	sp2 = deg2rad(standardParallel2);
+
+	_es2 = 2 * _e.flattening() - _e.flattening() * _e.flattening();
+	_es = sqrt(_es2);
+	_one_minus_es2 = 1 - _es2;
+	_two_es = 2 * _es;
+
+	sin_lat = sin(_latitudeOrigin);
+	es_sin = _es * sin_lat;
+	q0 = ALBERS_Q(sin_lat, ONE_MINUS_SQR(es_sin), es_sin);
+
+	sin_lat1 = sin(sp1);
+	cos_lat1 = cos(sp1);
+	es_sin1 = _es * sin_lat1;
+	one_minus_sqr_es_sin1 = ONE_MINUS_SQR(es_sin1);
+	m1 = ALBERS_M(cos_lat1, one_minus_sqr_es_sin1);
+	q1 = ALBERS_Q(sin_lat1, one_minus_sqr_es_sin1, es_sin1);
+
+	sqr_m1 = m1 * m1;
+	if (fabs(sp1 - sp2) > 1.0e-10) {
+		sin_lat2 = sin(sp2);
+		cos_lat2 = cos(sp2);
+		es_sin2 = _es * sin_lat2;
+		one_minus_sqr_es_sin2 = ONE_MINUS_SQR(es_sin2);
+		m2 = ALBERS_M(cos_lat2, one_minus_sqr_es_sin2);
+		q2 = ALBERS_Q(sin_lat2, one_minus_sqr_es_sin2, es_sin2);
+		sqr_m2 = m2 * m2;
+		_n = (sqr_m1 - sqr_m2) / (q2 - q1);
+	} else
+		_n = sin_lat1;
+
+	_C = sqr_m1 + _n * q1;
+	_a_over_n = _e.radius() / _n;
+	nq0 = _n * q0;
+	_rho0 = (_C < nq0) ? 0 : _a_over_n * sqrt(_C - nq0);
+}
+
+QPointF AlbersEqual::ll2xy(const Coordinates &c) const
+{
+	double dlam;
+	double sin_lat;
+	double es_sin;
+	double q;
+	double rho;
+	double theta;
+	double nq;
+
+
+	dlam = deg2rad(c.lon()) - _longitudeOrigin;
+	if (dlam > M_PI)
+		dlam -= 2.0 * M_PI;
+	if (dlam < -M_PI)
+		dlam += 2.0 * M_PI;
+
+	sin_lat = sin(deg2rad(c.lat()));
+	es_sin = _es * sin_lat;
+	q = ALBERS_Q(sin_lat, ONE_MINUS_SQR(es_sin), es_sin);
+	nq = _n * q;
+	rho = (_C < nq) ? 0 : _a_over_n * sqrt(_C - nq);
+	theta = _n * dlam;
+
+	return QPointF(rho * sin(theta) + _falseEasting,
+	  _rho0 - rho * cos(theta) + _falseNorthing);
+}
+
+Coordinates AlbersEqual::xy2ll(const QPointF &p) const
+{
+	double dy, dx;
+	double rho0_minus_dy;
+	double q, qc, q_over_2;
+	double rho, rho_n;
+	double phi, delta_phi = 1.0;
+	double sin_phi;
+	double es_sin, one_minus_sqr_es_sin;
+	double theta = 0.0;
+	int count = 30;
+	double tolerance = 4.85e-10;
+	double lat, lon;
+
+
+	dy = p.y() - _falseNorthing;
+	dx = p.x() - _falseEasting;
+
+	rho0_minus_dy = _rho0 - dy;
+	rho = sqrt(dx * dx + rho0_minus_dy * rho0_minus_dy);
+
+	if (_n < 0) {
+		rho *= -1.0;
+		dy *= -1.0;
+		dx *= -1.0;
+		rho0_minus_dy *= -1.0;
+	}
+
+	if (rho != 0.0)
+		theta = atan2(dx, rho0_minus_dy);
+	rho_n = rho * _n;
+	q = (_C - (rho_n * rho_n) / (_e.radius() * _e.radius())) / _n;
+	qc = 1 - ((_one_minus_es2) / (_two_es)) * log((1.0 - _es) / (1.0 + _es));
+	if (fabs(fabs(qc) - fabs(q)) > 1.0e-6) {
+		q_over_2 = q / 2.0;
+		if (q_over_2 > 1.0)
+			lat = M_PI_2;
+		else if (q_over_2 < -1.0)
+			lat = -M_PI_2;
+		else {
+			phi = asin(q_over_2);
+			if (_es < 1.0e-10)
+				lat = phi;
+			else  {
+				while ((fabs(delta_phi) > tolerance) && count) {
+					sin_phi = sin(phi);
+					es_sin = _es * sin_phi;
+					one_minus_sqr_es_sin = ONE_MINUS_SQR(es_sin);
+					delta_phi = (one_minus_sqr_es_sin * one_minus_sqr_es_sin)
+					  / (2.0 * cos(phi)) * (q / (_one_minus_es2) - sin_phi
+					  / one_minus_sqr_es_sin + (log((1.0 - es_sin)
+					  / (1.0 + es_sin)) / (_two_es)));
+					phi += delta_phi;
+					count --;
+				}
+
+				lat = phi;
+			}
+
+			if (lat > M_PI_2)
+				lat = M_PI_2;
+			else if (lat < -M_PI_2)
+				lat = -M_PI_2;
+		}
+	} else {
+		if (q >= 0.0)
+			lat = M_PI_2;
+		else
+			lat = -M_PI_2;
+	}
+
+	lon = _longitudeOrigin + theta / _n;
+
+	if (lon > M_PI)
+		lon -= M_PI * 2;
+	if (lon < -M_PI)
+		lon += M_PI * 2;
+
+	if (lon > M_PI)
+		lon = M_PI;
+	else if (lon < -M_PI)
+		lon = -M_PI;
+
+	return Coordinates(rad2deg(lon), rad2deg(lat));
+}

src/albersequal.h

@@ -0,0 +1,36 @@
+#ifndef ALBERSEQUAL_H
+#define ALBERSEQUAL_H
+
+#include "projection.h"
+
+class Ellipsoid;
+
+class AlbersEqual : public Projection
+{
+public:
+	AlbersEqual(const Ellipsoid &ellipsoid, double standardParallel1,
+	  double standardParallel2, double latitudeOrigin, double longitudeOrigin,
+	  double falseEasting, double falseNorthing);
+
+	virtual QPointF ll2xy(const Coordinates &c) const;
+	virtual Coordinates xy2ll(const QPointF &p) const;
+
+private:
+	Ellipsoid _e;
+
+	double _latitudeOrigin;
+	double _longitudeOrigin;
+	double _falseEasting;
+	double _falseNorthing;
+
+	double _rho0;
+	double _C;
+	double _n;
+	double _es;
+	double _es2;
+	double _a_over_n;
+	double _one_minus_es2;
+	double _two_es;
+};
+
+#endif // ALBERSEQUAL_H

src/app.cpp

@@ -0,0 +1,55 @@
+#include <QtGlobal>
+#include <QTranslator>
+#include <QLocale>
+#include <QFileOpenEvent>
+#include <QNetworkProxyFactory>
+#include "opengl.h"
+#include "gui.h"
+#include "onlinemap.h"
+#include "downloader.h"
+#include "app.h"
+
+
+App::App(int &argc, char **argv) : QApplication(argc, argv),
+  _argc(argc), _argv(argv)
+{
+	QTranslator *translator = new QTranslator(this);
+
+	QString locale = QLocale::system().name();
+	translator->load(QString(":/lang/gpxsee_") + locale);
+	installTranslator(translator);
+#ifdef Q_OS_MAC
+	setAttribute(Qt::AA_DontShowIconsInMenus);
+#endif // Q_OS_MAC
+
+	QNetworkProxyFactory::setUseSystemConfiguration(true);
+	OnlineMap::setDownloader(new Downloader(this));
+	OPENGL_SET_SAMPLES(4);
+
+	_gui = new GUI();
+}
+
+App::~App()
+{
+	delete _gui;
+}
+
+void App::run()
+{
+	_gui->show();
+
+	for (int i = 1; i < _argc; i++)
+		_gui->openFile(QString::fromLocal8Bit(_argv[i]));
+
+	exec();
+}
+
+bool App::event(QEvent *event)
+{
+	if (event->type() == QEvent::FileOpen) {
+		QFileOpenEvent *e = static_cast<QFileOpenEvent *>(event);
+		return _gui->openFile(e->file());
+	}
+
+	return QApplication::event(event);
+}

src/app.h

@@ -0,0 +1,26 @@
+#ifndef APP_H
+#define APP_H
+
+#include <QApplication>
+
+class GUI;
+
+class App : QApplication
+{
+	Q_OBJECT
+
+public:
+	App(int &argc, char **argv);
+	~App();
+	void run();
+
+protected:
+	bool event(QEvent *event);
+
+private:
+	int &_argc;
+	char **_argv;
+	GUI *_gui;
+};
+
+#endif // APP_H

src/assert.h

@@ -0,0 +1,11 @@
+#ifndef ASSERT_H
+#define ASSERT_H
+
+template<bool> struct CompileTimeAssert;
+template<> struct CompileTimeAssert <true> {};
+
+#define STATIC_ASSERT(e) \
+	(CompileTimeAssert <(e) != 0>())
+
+#endif // ASSERT_H
+

src/atlas.cpp

@@ -0,0 +1,320 @@
+#include <QDir>
+#include <QtAlgorithms>
+#include <QPainter>
+#include "tar.h"
+#include "atlas.h"
+
+
+#define ZOOM_THRESHOLD 0.9
+
+#define TL(m) ((m)->xy2pp((m)->bounds().topLeft()))
+#define BR(m) ((m)->xy2pp((m)->bounds().bottomRight()))
+
+static bool resCmp(const OfflineMap *m1, const OfflineMap *m2)
+{
+	qreal r1, r2;
+
+	r1 = m1->resolution(m1->bounds().center());
+	r2 = m2->resolution(m2->bounds().center());
+
+	return r1 > r2;
+}
+
+static bool xCmp(const OfflineMap *m1, const OfflineMap *m2)
+{
+	return TL(m1).x() < TL(m2).x();
+}
+
+static bool yCmp(const OfflineMap *m1, const OfflineMap *m2)
+{
+	return TL(m1).y() > TL(m2).y();
+}
+
+bool Atlas::isAtlas(Tar &tar, const QString &path)
+{
+	QFileInfo fi(path);
+	QByteArray ba;
+	QString suffix = fi.suffix().toLower();
+
+	if (suffix == "tar") {
+		if (!tar.load(path)) {
+			_errorString = "Error reading tar file";
+			return false;
+		}
+		QString tbaFileName = fi.completeBaseName() + ".tba";
+		ba = tar.file(tbaFileName);
+	} else if (suffix == "tba") {
+		QFile tbaFile(path);
+		if (!tbaFile.open(QIODevice::ReadOnly)) {
+			_errorString = QString("Error opening tba file: %1")
+			  .arg(tbaFile.errorString());
+			return false;
+		}
+		ba = tbaFile.readAll();
+	}
+
+	if (ba.startsWith("Atlas 1.0"))
+		return true;
+	else {
+		_errorString = "Missing or invalid tba file";
+		return false;
+	}
+}
+
+void Atlas::computeZooms()
+{
+	qSort(_maps.begin(), _maps.end(), resCmp);
+
+	_zooms.append(QPair<int, int>(0, _maps.count() - 1));
+	for (int i = 1; i < _maps.count(); i++) {
+		qreal last = _maps.at(i-1)->resolution(_maps.at(i)->bounds().center());
+		qreal cur = _maps.at(i)->resolution(_maps.at(i)->bounds().center());
+		if (cur < last * ZOOM_THRESHOLD) {
+			_zooms.last().second = i-1;
+			_zooms.append(QPair<int, int>(i, _maps.count() - 1));
+		}
+	}
+}
+
+void Atlas::computeBounds()
+{
+	QList<QPointF> offsets;
+
+	for (int i = 0; i < _maps.count(); i++)
+		offsets.append(QPointF());
+
+	for (int z = 0; z < _zooms.count(); z++) {
+		qreal w = 0, h = 0;
+
+		QList<OfflineMap*> m;
+		for (int i = _zooms.at(z).first; i <= _zooms.at(z).second; i++)
+			m.append(_maps.at(i));
+
+		qSort(m.begin(), m.end(), xCmp);
+		offsets[_maps.indexOf(m.first())].setX(w);
+		for (int i = 1; i < m.size(); i++) {
+			w += round(m.at(i-1)->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(h);
+		for (int i = 1; i < m.size(); i++) {
+			h += round(m.at(i-1)->pp2xy(TL(m.at(i))).y());
+			offsets[_maps.indexOf(m.at(i))].setY(h);
+		}
+	}
+
+	for (int i = 0; i < _maps.count(); i++)
+		_bounds.append(QPair<QRectF, QRectF>(QRectF(TL(_maps.at(i)),
+		  BR(_maps.at(i))), QRectF(offsets.at(i), _maps.at(i)->bounds().size())));
+}
+
+Atlas::Atlas(const QString &fileName, QObject *parent) : Map(parent)
+{
+	Tar tar;
+	QFileInfo fi(fileName);
+
+	_valid = false;
+	_zoom = 0;
+	_name = fi.dir().dirName();
+	_ci = -1; _cz = -1;
+
+	if (!isAtlas(tar, fileName))
+		return;
+
+	QDir dir(fi.absolutePath());
+	QFileInfoList layers = dir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot);
+	for (int n = 0; n < layers.count(); n++) {
+		QDir zdir(layers.at(n).absoluteFilePath());
+		QFileInfoList maps = zdir.entryInfoList(QDir::Dirs
+		  | QDir::NoDotAndDotDot);
+		for (int i = 0; i < maps.count(); i++) {
+			QString mapFile = maps.at(i).absoluteFilePath() + "/"
+			  + maps.at(i).fileName() + ".map";
+
+			OfflineMap *map;
+			if (tar.isOpen())
+				map = new OfflineMap(mapFile, tar, this);
+			else
+				map = new OfflineMap(mapFile, this);
+
+			if (map->isValid())
+				_maps.append(map);
+			else {
+				_errorString = QString("Error loading map: %1: %2")
+				  .arg(mapFile, map->errorString());
+				return;
+			}
+		}
+	}
+	if (_maps.isEmpty()) {
+		_errorString = "No maps found in atlas";
+		return;
+	}
+
+	computeZooms();
+	computeBounds();
+
+	_valid = true;
+}
+
+Atlas::~Atlas()
+{
+	for (int i = 0; i < _maps.size(); i++)
+		delete _maps.at(i);
+}
+
+QRectF Atlas::bounds() const
+{
+	QSizeF s(0, 0);
+
+	for (int i = _zooms.at(_zoom).first; i <= _zooms.at(_zoom).second; i++) {
+		if (_bounds.at(i).second.right() > s.width())
+			s.setWidth(_bounds.at(i).second.right());
+		if (_bounds.at(i).second.bottom() > s.height())
+			s.setHeight(_bounds.at(i).second.bottom());
+	}
+
+	return QRectF(QPointF(0, 0), s);
+}
+
+qreal Atlas::resolution(const QPointF &p) const
+{
+	int idx = _zooms.at(_zoom).first;
+
+	for (int i = _zooms.at(_zoom).first; i <= _zooms.at(_zoom).second; i++) {
+		if (_bounds.at(i).second.contains(_maps.at(i)->xy2pp(p))) {
+			idx = i;
+			break;
+		}
+	}
+
+	return _maps.at(idx)->resolution(p);
+}
+
+qreal Atlas::zoom() const
+{
+	return _zoom;
+}
+
+qreal Atlas::zoomFit(const QSize &size, const QRectF &br)
+{
+	_zoom = 0;
+
+	if (br.isNull()) {
+		_zoom = _zooms.size() - 1;
+		return _zoom;
+	}
+
+	for (int z = 0; z < _zooms.count(); z++) {
+		for (int i = _zooms.at(z).first; i <= _zooms.at(z).second; i++) {
+			if (!_bounds.at(i).first.contains(_maps.at(i)->ll2pp(br.center())))
+				continue;
+
+			QRect sbr = QRectF(_maps.at(i)->ll2xy(br.topLeft()),
+			  _maps.at(i)->ll2xy(br.bottomRight())).toRect().normalized();
+
+			if (sbr.size().width() > size.width()
+			  || sbr.size().height() > size.height())
+				return _zoom;
+
+			_zoom = z;
+			break;
+		}
+	}
+
+	return _zoom;
+}
+
+qreal Atlas::zoomIn()
+{
+	_zoom = qMin(_zoom + 1, _zooms.size() - 1);
+	return _zoom;
+}
+
+qreal Atlas::zoomOut()
+{
+	_zoom = qMax(_zoom - 1, 0);
+	return _zoom;
+}
+
+QPointF Atlas::ll2xy(const Coordinates &c)
+{
+	QPointF pp;
+
+	if (_cz != _zoom) {
+		_ci = -1;
+		_cz = _zoom;
+	}
+
+	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)) {
+				_ci = i;
+				break;
+			}
+		}
+	}
+
+	QPointF p = _maps.at(_ci)->pp2xy(pp);
+	return p + _bounds.at(_ci).second.topLeft();
+}
+
+Coordinates Atlas::xy2ll(const QPointF &p)
+{
+	int idx = _zooms.at(_zoom).first;
+
+	for (int i = _zooms.at(_zoom).first; i <= _zooms.at(_zoom).second; i++) {
+		if (_bounds.at(i).second.contains(_maps.at(i)->xy2pp(p))) {
+			idx = i;
+			break;
+		}
+	}
+
+	QPointF p2 = p - _bounds.at(idx).second.topLeft();
+	return _maps.at(idx)->xy2ll(p2);
+}
+
+void Atlas::draw(QPainter *painter, const QRectF &rect)
+{
+	// All in one map
+	for (int i = _zooms.at(_zoom).first; i <= _zooms.at(_zoom).second; i++) {
+		QRectF ir = rect.intersected(_bounds.at(i).second);
+		if (ir == rect) {
+			draw(painter, rect, i);
+			return;
+		}
+	}
+
+	// Multiple maps
+	painter->fillRect(rect, Qt::white);
+	for (int i = _zooms.at(_zoom).first; i <= _zooms.at(_zoom).second; i++) {
+		QRectF ir = rect.intersected(_bounds.at(i).second);
+		if (!ir.isNull())
+			draw(painter, ir, i);
+	}
+}
+
+void Atlas::draw(QPainter *painter, const QRectF &rect, int mapIndex)
+{
+	OfflineMap *map = _maps.at(mapIndex);
+	const QPointF offset = _bounds.at(mapIndex).second.topLeft();
+	QRectF pr = QRectF(rect.topLeft() - offset, rect.size());
+
+	map->load();
+
+	painter->translate(offset);
+	map->draw(painter, pr);
+	painter->translate(-offset);
+}
+
+void Atlas::unload()
+{
+	for (int i = 0; i < _maps.count(); i++)
+		_maps.at(i)->unload();
+}

src/atlas.h

@@ -0,0 +1,55 @@
+#ifndef ATLAS_H
+#define ATLAS_H
+
+#include <QFileInfoList>
+#include "map.h"
+#include "offlinemap.h"
+
+
+class Atlas : public Map
+{
+	Q_OBJECT
+
+public:
+	Atlas(const QString &fileName, QObject *parent = 0);
+	~Atlas();
+
+	const QString &name() const {return _name;}
+
+	QRectF bounds() const;
+	qreal resolution(const QPointF &p) const;
+
+	qreal zoom() const;
+	qreal zoomFit(const QSize &size, const QRectF &br);
+	qreal zoomIn();
+	qreal zoomOut();
+
+	QPointF ll2xy(const Coordinates &c);
+	Coordinates xy2ll(const QPointF &p);
+
+	void draw(QPainter *painter, const QRectF &rect);
+
+	void unload();
+
+	bool isValid() const {return _valid;}
+	const QString &errorString() const {return _errorString;}
+
+private:
+	void draw(QPainter *painter, const QRectF &rect, int mapIndex);
+	bool isAtlas(Tar &tar, const QString &path);
+	void computeZooms();
+	void computeBounds();
+
+	QString _name;
+	bool _valid;
+	QString _errorString;
+
+	QList<OfflineMap*> _maps;
+	QVector<QPair<int, int> > _zooms;
+	QVector<QPair<QRectF, QRectF> > _bounds;
+	int _zoom;
+
+	int _ci, _cz;
+};
+
+#endif // ATLAS_H

src/axisitem.cpp

@@ -1,10 +1,11 @@
 #include <cmath>
 #include <QPainter>
 #include "config.h"
-#include "nicenum.h"
+#include "misc.h"
 #include "axisitem.h"
 
 
+#define AXIS_WIDTH  1
 #define TICK        6
 #define PADDING     6
 #define XTICKS      15
@@ -34,27 +35,34 @@ AxisItem::AxisItem(Type type, QGraphicsItem *parent) : QGraphicsItem(parent)
 {
 	_type = type;
 	_size = 0;
+
+#ifndef Q_OS_MAC
+	setCacheMode(QGraphicsItem::DeviceCoordinateCache);
+#endif // Q_OS_MAC
 }
 
-void AxisItem::setRange(const QPointF &range)
+void AxisItem::setRange(const RangeF &range)
 {
+	prepareGeometryChange();
 	_range = range;
 	updateBoundingRect();
-	prepareGeometryChange();
+	update();
 }
 
 void AxisItem::setSize(qreal size)
 {
+	prepareGeometryChange();
 	_size = size;
 	updateBoundingRect();
-	prepareGeometryChange();
+	update();
 }
 
 void AxisItem::setLabel(const QString& label)
 {
+	prepareGeometryChange();
 	_label = label;
 	updateBoundingRect();
-	prepareGeometryChange();
+	update();
 }
 
 void AxisItem::updateBoundingRect()
@@ -67,7 +75,7 @@ void AxisItem::updateBoundingRect()
 	struct Label l;
 
 
-	l = label(_range.x(), _range.y(), (_type == X) ? XTICKS : YTICKS);
+	l = label(_range.min(), _range.max(), (_type == X) ? XTICKS : YTICKS);
 	es = fm.tightBoundingRect(QString::number(l.max));
 	ss = fm.tightBoundingRect(QString::number(l.min));
 	ls = fm.tightBoundingRect(_label);
@@ -75,11 +83,21 @@ void AxisItem::updateBoundingRect()
 	if (_type == X) {
 		_boundingRect = QRectF(-ss.width()/2, -TICK/2,
 		_size + es.width()/2 + ss.width()/2,
-		ls.height() + es.height() - fm.descent() + TICK + 2*PADDING);
+		ls.height() + es.height() - fm.descent() + TICK + 2*PADDING + 1);
 	} else {
-		_boundingRect = QRectF(-(ls.height() + es.width() + 2*PADDING
-		  - fm.descent() + TICK/2), -(_size + es.height()/2
-		  + fm.descent()), ls.height() -fm.descent() + es.width() + 2*PADDING
+		int mtw = 0;
+		QRect ts;
+		qreal val;
+
+		for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++) {
+			val = l.min + i * l.d;
+			QString str = QString::number(val);
+			ts = fm.tightBoundingRect(str);
+			mtw = qMax(ts.width(), mtw);
+		}
+
+		_boundingRect = QRectF(-(ls.height() + mtw + 2*PADDING + TICK/2),
+		  -(_size + es.height()/2 + fm.descent()), ls.height() + mtw + 2*PADDING
 		  + TICK, _size + es.height()/2 + fm.descent() + ss.height()/2);
 	}
 }
@@ -95,26 +113,29 @@ void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	QFontMetrics fm(font);
 	QRect ts, ls;
 	struct Label l;
-	qreal range = _range.y() - _range.x();
+	qreal range = _range.size();
 	qreal val;
+	QPen pen = QPen(Qt::black, AXIS_WIDTH);
 
 
+	painter->setRenderHint(QPainter::Antialiasing, false);
 	painter->setFont(font);
+	painter->setPen(pen);
 
 	ls = fm.tightBoundingRect(_label);
 
 	if (_type == X) {
 		painter->drawLine(0, 0, _size, 0);
 
-		l = label(_range.x(), _range.y(), XTICKS);
+		l = label(_range.min(), _range.max(), XTICKS);
 		for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++) {
 			val = l.min + i * l.d;
 			QString str = QString::number(val);
 
-			painter->drawLine((_size/range) * (val - _range.x()), TICK/2,
-			  (_size/range) * (val - _range.x()), -TICK/2);
+			painter->drawLine((_size/range) * (val - _range.min()), TICK/2,
+			  (_size/range) * (val - _range.min()), -TICK/2);
 			ts = fm.tightBoundingRect(str);
-			painter->drawText(((_size/range) * (val - _range.x()))
+			painter->drawText(((_size/range) * (val - _range.min()))
 			  - (ts.width()/2), ts.height() + TICK/2 + PADDING, str);
 		}
 
@@ -123,21 +144,23 @@ void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	} else {
 		painter->drawLine(0, 0, 0, -_size);
 
-		l = label(_range.x(), _range.y(), YTICKS);
+		l = label(_range.min(), _range.max(), YTICKS);
+		int mtw = 0;
 		for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++) {
 			val = l.min + i * l.d;
 			QString str = QString::number(val);
 
-			painter->drawLine(TICK/2, -((_size/range) * (val - _range.x())),
-			  -TICK/2, -((_size/range) * (val - _range.x())));
+			painter->drawLine(TICK/2, -((_size/range) * (val - _range.min())),
+			  -TICK/2, -((_size/range) * (val - _range.min())));
 			ts = fm.tightBoundingRect(str);
+			mtw = qMax(ts.width(), mtw);
 			painter->drawText(-(ts.width() + PADDING + TICK/2), -((_size/range)
-			  * (val - _range.x())) + (ts.height()/2), str);
+			  * (val - _range.min())) + (ts.height()/2), str);
 		}
 
 		painter->rotate(-90);
-		painter->drawText(_size/2 - ls.width()/2, -(ts.width()
-		  + 2*PADDING + TICK/2), _label);
+		painter->drawText(_size/2 - ls.width()/2, -(mtw + 2*PADDING + TICK/2),
+		  _label);
 		painter->rotate(90);
 	}
 
@@ -147,7 +170,7 @@ void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 */
 }
 
-QSizeF AxisItem::margin()
+QSizeF AxisItem::margin() const
 {
 	QFont font;
 	font.setPixelSize(FONT_SIZE);
@@ -156,7 +179,7 @@ QSizeF AxisItem::margin()
 	struct Label l;
 
 
-	l = label(_range.x(), _range.y(), (_type == X) ? XTICKS : YTICKS);
+	l = label(_range.min(), _range.max(), (_type == X) ? XTICKS : YTICKS);
 	es = fm.tightBoundingRect(QString::number(l.max));
 	ss = fm.tightBoundingRect(QString::number(l.min));
 	ls = fm.tightBoundingRect(_label);
@@ -165,7 +188,31 @@ QSizeF AxisItem::margin()
 		return QSizeF(es.width()/2,
 		  ls.height() + es.height() - fm.descent() + TICK/2 + 2*PADDING);
 	} else {
-		return QSizeF(ls.height() -fm.descent() + es.width() + 2*PADDING
+		int mtw = 0;
+		QRect ts;
+		qreal val;
+
+		for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++) {
+			val = l.min + i * l.d;
+			QString str = QString::number(val);
+			ts = fm.tightBoundingRect(str);
+			mtw = qMax(ts.width(), mtw);
+		}
+
+		return QSizeF(ls.height() -fm.descent() + mtw + 2*PADDING
 		  + TICK/2, es.height()/2 + fm.descent());
 	}
 }
+
+QList<qreal> AxisItem::ticks() const
+{
+	struct Label l;
+	QList<qreal> list;
+
+	l = label(_range.min(), _range.max(), (_type == X) ? XTICKS : YTICKS);
+	for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++)
+		list.append(((_size/_range.size()) * ((l.min + i * l.d)
+		  - _range.min())));
+
+	return list;
+}

src/axisitem.h

@@ -2,6 +2,7 @@
 #define AXISITEM_H
 
 #include <QGraphicsItem>
+#include "range.h"
 
 class AxisItem : public QGraphicsItem
 {
@@ -14,17 +15,18 @@ public:
 	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	  QWidget *widget);
 
-	void setRange(const QPointF &range);
+	void setRange(const RangeF &range);
 	void setSize(qreal size);
 	void setLabel(const QString& label);
 
-	QSizeF margin();
+	QSizeF margin() const;
+	QList<qreal> ticks() const;
 
 private:
 	void updateBoundingRect();
 
 	Type _type;
-	QPointF _range;
+	RangeF _range;
 	qreal _size;
 	QString _label;
 	QRectF _boundingRect;

src/cadencegraph.cpp

@@ -0,0 +1,84 @@
+#include "data.h"
+#include "cadencegraph.h"
+
+
+CadenceGraph::CadenceGraph(QWidget *parent) : GraphTab(parent)
+{
+	_units = Metric;
+	_showTracks = true;
+
+	GraphView::setYUnits(tr("1/min"));
+	setYLabel(tr("Cadence"));
+
+	setSliderPrecision(1);
+}
+
+void CadenceGraph::setInfo()
+{
+	if (_showTracks) {
+		GraphView::addInfo(tr("Average"), QString::number(avg() * yScale()
+		  + yOffset(), 'f', 1) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale()
+		  + yOffset(),  'f', 1) + UNIT_SPACE + yUnits());
+	} else
+		clearInfo();
+}
+
+void CadenceGraph::loadData(const Data &data, const QList<PathItem *> &paths)
+{
+	for (int i = 0; i < data.tracks().count(); i++) {
+		const Graph &graph = data.tracks().at(i)->cadence();
+		qreal sum = 0, w = 0;
+
+		if (graph.size() < 2) {
+			skipColor();
+			continue;
+		}
+
+		for (int j = 1; j < graph.size(); j++) {
+			qreal ds = graph.at(j).s() - graph.at(j-1).s();
+			sum += graph.at(j).y() * ds;
+			w += ds;
+		}
+		_avg.append(QPointF(data.tracks().at(i)->distance(), sum/w));
+
+		GraphView::loadGraph(graph, paths.at(i));
+	}
+
+	for (int i = 0; i < data.routes().count(); i++)
+		skipColor();
+
+	setInfo();
+
+	redraw();
+}
+
+qreal CadenceGraph::avg() const
+{
+	qreal sum = 0, w = 0;
+	QList<QPointF>::const_iterator it;
+
+	for (it = _avg.begin(); it != _avg.end(); it++) {
+		sum += it->y() * it->x();
+		w += it->x();
+	}
+
+	return (sum / w);
+}
+
+void CadenceGraph::clear()
+{
+	_avg.clear();
+
+	GraphView::clear();
+}
+
+void CadenceGraph::showTracks(bool show)
+{
+	_showTracks = show;
+
+	showGraph(show);
+	setInfo();
+
+	redraw();
+}

src/cadencegraph.h

@@ -0,0 +1,31 @@
+#ifndef CADENCEGRAPH_H
+#define CADENCEGRAPH_H
+
+#include "graphtab.h"
+
+class CadenceGraph : public GraphTab
+{
+	Q_OBJECT
+
+public:
+	CadenceGraph(QWidget *parent = 0);
+
+	QString label() const {return tr("Cadence");}
+	void loadData(const Data &data, const QList<PathItem *> &paths);
+	void clear();
+	void setUnits(enum Units) {}
+	void showTracks(bool show);
+	void showRoutes(bool show) {Q_UNUSED(show);}
+
+private:
+	qreal avg() const;
+	qreal max() const {return bounds().bottom();}
+	void setInfo();
+
+	QList<QPointF> _avg;
+
+	enum Units _units;
+	bool _showTracks;
+};
+
+#endif // CADENCEGRAPH_H

src/colorbox.cpp

@@ -0,0 +1,68 @@
+#include <QStylePainter>
+#include <QStyleOptionComboBox>
+#include <QMouseEvent>
+#include <QColorDialog>
+#include <QComboBox>
+#include "colorbox.h"
+
+
+ColorBox::ColorBox(QWidget *parent) : QWidget(parent)
+{
+	_color = Qt::red;
+	setSizePolicy(QSizePolicy::QSizePolicy::Minimum, QSizePolicy::Fixed);
+}
+
+QSize ColorBox::sizeHint() const
+{
+	static QSize size;
+	if (size.isValid())
+		return size;
+
+	QComboBox cb;
+	size = cb.sizeHint();
+	return size;
+}
+
+void ColorBox::paintEvent(QPaintEvent *event)
+{
+	Q_UNUSED(event);
+
+    QStylePainter painter(this);
+
+    QStyleOptionComboBox option;
+	option.initFrom(this);
+
+#if defined(Q_OS_MAC) || defined(Q_OS_WIN32)
+	painter.setBrush(_color);
+	painter.drawPrimitive(QStyle::PE_Frame, option);
+#else // Q_OS_MAC || Q_OS_WIN32
+	// Fallback for some broken QT4 styles that do not draw the background
+	painter.setBrush(_color);
+	painter.setPen(Qt::NoPen);
+	painter.drawRect(event->rect().adjusted(2, 2, -2, -2));
+	// If works (QT5 and most QT4 styles) overpaints the previous rectangle
+	option.palette.setBrush(QPalette::Base, _color);
+	painter.drawPrimitive(QStyle::PE_PanelLineEdit, option);
+	painter.drawPrimitive(QStyle::PE_FrameLineEdit, option);
+#endif // Q_OS_MAC || Q_OS_WIN32
+}
+
+void ColorBox::mousePressEvent(QMouseEvent *event)
+{
+	if (event->button() != Qt::LeftButton)
+		return;
+
+	QColor color = QColorDialog::getColor(_color, this, QString(),
+	  QColorDialog::ShowAlphaChannel);
+	if (color.isValid()) {
+		_color = color;
+		update();
+		emit colorChanged(_color);
+	}
+}
+
+void ColorBox::setColor(const QColor &color)
+{
+	_color = color;
+	update();
+}

src/colorbox.h

@@ -0,0 +1,29 @@
+#ifndef COLORBOX_H
+#define COLORBOX_H
+
+#include <QWidget>
+
+class ColorBox : public QWidget
+{
+	Q_OBJECT
+
+public:
+	ColorBox(QWidget *parent = 0);
+
+	const QColor &color() const {return _color;}
+	void setColor(const QColor &color);
+
+	QSize sizeHint() const;
+
+signals:
+	void colorChanged(const QColor &color);
+
+protected:
+	void mousePressEvent(QMouseEvent *event);
+	void paintEvent(QPaintEvent *event);
+
+private:
+	QColor _color;
+};
+
+#endif // COLORBOX_H

src/colorshop.cpp

@@ -1,62 +0,0 @@
-#include "colorshop.h"
-
-
-#define HUE_INIT		0.1f
-#define HUE_INCREMENT	0.62f
-#define SATURATION		0.99f
-#define VALUE			0.99f
-
-static unsigned hsv2rgb(float h, float s, float v)
-{
-	unsigned hi;
-	float r = 0, g = 0, b = 0, p, q, t, f;
-
-	hi = (unsigned)(h * 6.0f);
-	f = h * 6.0f - hi;
-	p = v * (1.0f - s);
-	q = v * (1.0f - f * s);
-	t = v * (1.0f - (1.0f - f) * s);
-
-	switch (hi) {
-		case 0:
-			r = v; g = t; b = p;
-			break;
-		case 1:
-			r = q; g = v; b = p;
-			break;
-		case 2:
-			r = p; g = v; b = t;
-			break;
-		case 3:
-			r = p; g = q; b = v;
-			break;
-		case 4:
-			r = t; g = p; b = v;
-			break;
-		case 5:
-			r = v; g = p; b = q;
-			break;
-	}
-
-	return ((unsigned)(r * 256) << 16)
-	  + ((unsigned)(g * 256) << 8)
-	  + (unsigned)(b * 256);
-}
-
-ColorShop::ColorShop()
-{
-	_hueState = HUE_INIT;
-}
-
-QColor ColorShop::color()
-{
-	_hueState += HUE_INCREMENT;
-	_hueState -= (int) _hueState;
-
-	return QColor(hsv2rgb(_hueState, SATURATION, VALUE));
-}
-
-void ColorShop::reset()
-{
-	_hueState = HUE_INIT;
-}

src/colorshop.h

@@ -1,17 +0,0 @@
-#ifndef COLORSHOP_H
-#define COLORSHOP_H
-
-#include <QColor>
-
-class ColorShop
-{
-public:
-	ColorShop();
-	QColor color();
-	void reset();
-
-private:
-	float _hueState;
-};
-
-#endif // COLORSHOP_H

src/config.h

@@ -1,20 +1,46 @@
 #ifndef CONFIG_H
 #define CONFIG_H
 
-#define APP_NAME       "GPXSee"
-#define APP_HOMEPAGE   "http://tumic.wz.cz/gpxsee"
-#define APP_VERSION    "2.7"
+#include <QtGlobal>
+#include <QDir>
+#include <QApplication>
+#include <QString>
 
-#define FONT_FAMILY    "Arial"
-#define FONT_SIZE      12
+#define APP_NAME        "GPXSee"
+#define APP_HOMEPAGE    "http://tumic.wz.cz/gpxsee"
+
+#define FONT_FAMILY     "Arial"
+#define FONT_SIZE       12
+#define SCREEN_DPI      96.0
+
+#define ELLIPSOID_FILE  QString("ellipsoids.csv")
+#define DATUM_FILE      QString("datums.csv")
+#define MAP_FILE        QString("maps.txt")
+#define MAP_DIR         QString("maps")
+#define POI_DIR         QString("POI")
 
 #if defined(Q_OS_WIN32)
-#define APP_DIR        "GPXSee"
+#define USER_DIR        QDir::homePath() + QString("/GPXSee")
+#define GLOBAL_DIR      QApplication::applicationDirPath()
+#elif defined(Q_OS_MAC)
+#define USER_DIR        QDir::homePath() + QString("/.gpxsee")
+#define GLOBAL_DIR      QApplication::applicationDirPath() \
+                          + QString("/../Resources")
 #else
-#define APP_DIR        ".gpxsee"
+#define USER_DIR        QDir::homePath() + QString("/.gpxsee")
+#define GLOBAL_DIR      QString("/usr/share/gpxsee")
 #endif
-#define POI_DIR        APP_DIR"/POI"
-#define TILES_DIR      APP_DIR"/tiles"
-#define MAP_LIST_FILE  APP_DIR"/maps.txt"
+
+#define USER_ELLIPSOID_FILE    USER_DIR + QString("/") + ELLIPSOID_FILE
+#define USER_DATUM_FILE        USER_DIR + QString("/") + DATUM_FILE
+#define USER_MAP_DIR           USER_DIR + QString("/") + MAP_DIR
+#define USER_MAP_FILE          USER_DIR + QString("/") + MAP_FILE
+#define USER_POI_DIR           USER_DIR + QString("/") + POI_DIR
+#define GLOBAL_ELLIPSOID_FILE  GLOBAL_DIR + QString("/") + ELLIPSOID_FILE
+#define GLOBAL_DATUM_FILE      GLOBAL_DIR + QString("/") + DATUM_FILE
+#define GLOBAL_MAP_DIR         GLOBAL_DIR + QString("/") + MAP_DIR
+#define GLOBAL_MAP_FILE        GLOBAL_DIR + QString("/") + MAP_FILE
+#define GLOBAL_POI_DIR         GLOBAL_DIR + QString("/") + POI_DIR
+#define TILES_DIR              USER_DIR + QString("/tiles")
 
 #endif /* CONFIG_H */

src/coordinates.cpp

@@ -0,0 +1,55 @@
+#include "rd.h"
+#include "wgs84.h"
+#include "coordinates.h"
+
+#define MIN_LAT deg2rad(-90.0)
+#define MAX_LAT deg2rad(90.0)
+#define MIN_LON deg2rad(-180.0)
+#define MAX_LON deg2rad(180.0)
+
+qreal Coordinates::distanceTo(const Coordinates &c) const
+{
+	qreal dLat = deg2rad(c.lat() - _lat);
+	qreal dLon = deg2rad(c.lon() - _lon);
+	qreal a = pow(sin(dLat / 2.0), 2.0)
+	  + cos(deg2rad(_lat)) * cos(deg2rad(c.lat())) * pow(sin(dLon / 2.0), 2.0);
+
+	return (WGS84_RADIUS * (2.0 * atan2(sqrt(a), sqrt(1.0 - a))));
+}
+
+QDebug operator<<(QDebug dbg, const Coordinates &coordinates)
+{
+	dbg.nospace() << "Coordinates(" << coordinates.lon() << ", "
+	  << coordinates.lat() << ")";
+
+	return dbg.space();
+}
+
+QPair<Coordinates, Coordinates> Coordinates::boundingRect(qreal distance) const
+{
+	qreal radDist = distance / WGS84_RADIUS;
+
+	qreal minLat = deg2rad(_lat) - radDist;
+	qreal maxLat = deg2rad(_lat) + radDist;
+
+	qreal minLon, maxLon;
+	if (minLat > MIN_LAT && maxLat < MAX_LAT) {
+		qreal deltaLon = asin(sin(radDist) / cos(_lat));
+		minLon = deg2rad(_lon) - deltaLon;
+		if (minLon < MIN_LON)
+			minLon += 2.0 * M_PI;
+		maxLon = deg2rad(_lon) + deltaLon;
+		if (maxLon > MAX_LON)
+			maxLon -= 2.0 * M_PI;
+	} else {
+		// a pole is within the distance
+		minLat = qMax(minLat, MIN_LAT);
+		maxLat = qMin(maxLat, MAX_LAT);
+		minLon = MIN_LON;
+		maxLon = MAX_LON;
+	}
+
+	return QPair<Coordinates, Coordinates>(Coordinates(rad2deg(qMin(minLon,
+	  maxLon)), rad2deg(qMin(minLat, maxLat))), Coordinates(rad2deg(qMax(minLon,
+	  maxLon)), rad2deg(qMax(minLat, maxLat))));
+}

src/coordinates.h

@@ -0,0 +1,44 @@
+#ifndef COORDINATES_H
+#define COORDINATES_H
+
+#include <cmath>
+#include <QPointF>
+#include <QDebug>
+
+class Coordinates
+{
+public:
+	Coordinates() {_lon = NAN; _lat = NAN;}
+	Coordinates(const Coordinates &c) {_lon = c._lon; _lat = c._lat;}
+	Coordinates(qreal lon, qreal lat) {_lon = lon; _lat = lat;}
+
+	Coordinates(const QPointF &p) {_lon = p.x(), _lat = p.y();}
+	QPointF toPointF() const {return QPointF(_lon, _lat);}
+
+	qreal &rlon() {return _lon;}
+	qreal &rlat() {return _lat;}
+	void setLon(qreal lon) {_lon = lon;}
+	void setLat(qreal lat) {_lat = lat;}
+	qreal lon() const {return _lon;}
+	qreal lat() const {return _lat;}
+
+	bool isNull() const
+		{return (std::isnan(_lon) || std::isnan(_lat)) ? true : false;}
+	bool isValid() const
+		{return (_lon >= -180.0 && _lon <= 180.0 && _lat >= -90.0
+		&& _lat <= 90.0) ? true : false;}
+
+	qreal distanceTo(const Coordinates &c) const;
+	QPair<Coordinates, Coordinates> boundingRect(qreal distance) const;
+
+private:
+	qreal _lat, _lon;
+};
+
+inline bool operator==(const Coordinates &c1, const Coordinates &c2)
+  {return (c1.lat() == c2.lat() && c1.lon() == c2.lon());}
+inline bool operator!=(const Coordinates &c1, const Coordinates &c2)
+  {return !(c1 == c2);}
+QDebug operator<<(QDebug dbg, const Coordinates &trackpoint);
+
+#endif // COORDINATES_H

src/cpuarch.h

@@ -0,0 +1,42 @@
+#ifndef CPUARCH_H
+#define CPUARCH_H
+
+#include <QtGlobal>
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0)
+
+#if defined(__arm64__)
+	#define CPU_ARCH_STR "arm64"
+#elif defined(__arm__) || defined(__TARGET_ARCH_ARM) || defined(_M_ARM)
+	#define CPU_ARCH_STR "arm"
+#elif defined(__x86_64) || defined(__x86_64__) || defined(__amd64) \
+ || defined(_M_X64)
+	#define CPU_ARCH_STR "x86_64"
+#elif defined(__i386) || defined(__i386__) || defined(_M_IX86)
+	#define CPU_ARCH_STR "i386"
+#elif defined(__ia64) || defined(__ia64__) || defined(_M_IA64)
+	#define CPU_ARCH_STR "ia64"
+#elif defined(_MIPS_ARCH_MIPS64) || defined(__mips64)
+	#define CPU_ARCH_STR "mips64"
+#elif defined(__mips) || defined(__mips__) || defined(_M_MRX000)
+	#define CPU_ARCH_STR "mips"
+#elif defined(__ppc64__) || defined(__powerpc64__) || defined(__64BIT__)
+	#define CPU_ARCH_STR "power64"
+#elif defined(__ppc__) || defined(__ppc) || defined(__powerpc__) \
+  || defined(_ARCH_COM) || defined(_ARCH_PWR) || defined(_ARCH_PPC)  \
+  || defined(_M_MPPC) || defined(_M_PPC)
+	#define CPU_ARCH_STR "power"
+#else
+	#define CPU_ARCH_STR "unknown"
+#endif
+
+#define CPU_ARCH QString(CPU_ARCH_STR)
+
+#else // QT_VERSION < 5.4
+
+#include <QSysInfo>
+#define CPU_ARCH QSysInfo::buildCpuArchitecture()
+
+#endif // QT_VERSION < 5.4
+
+#endif // CPUARCH_H

src/csvparser.cpp

@@ -0,0 +1,44 @@
+#include "csvparser.h"
+
+bool CSVParser::loadFile(QFile *file)
+{
+	bool res;
+
+	_errorLine = 1;
+	_errorString.clear();
+
+	while (!file->atEnd()) {
+		QByteArray line = file->readLine();
+		QList<QByteArray> list = line.split(',');
+		if (list.size() < 3) {
+			_errorString = "Parse error";
+			return false;
+		}
+
+		qreal lat = list[0].trimmed().toDouble(&res);
+		if (!res || (lat < -90.0 || lat > 90.0)) {
+			_errorString = "Invalid latitude";
+			return false;
+		}
+		qreal lon = list[1].trimmed().toDouble(&res);
+		if (!res || (lon < -180.0 || lon > 180.0)) {
+			_errorString = "Invalid longitude";
+			return false;
+		}
+		Waypoint wp(Coordinates(lon, lat));
+
+		QByteArray ba = list[2].trimmed();
+		QString name = QString::fromUtf8(ba.data(), ba.size());
+		wp.setName(name);
+
+		if (list.size() > 3) {
+			ba = list[3].trimmed();
+			wp.setDescription(QString::fromUtf8(ba.data(), ba.size()));
+		}
+
+		_waypoints.append(wp);
+		_errorLine++;
+	}
+
+	return true;
+}

src/csvparser.h

@@ -0,0 +1,23 @@
+#ifndef CSVPARSER_H
+#define CSVPARSER_H
+
+#include "parser.h"
+
+class CSVParser : public Parser
+{
+public:
+	CSVParser(QList<TrackData> &tracks, QList<RouteData> &routes,
+	  QList<Waypoint> &waypoints) : Parser(tracks, routes, waypoints)
+	  {_errorLine = 0;}
+	~CSVParser() {}
+
+	bool loadFile(QFile *file);
+	QString errorString() const {return _errorString;}
+	int errorLine() const {return _errorLine;}
+
+private:
+	QString _errorString;
+	int _errorLine;
+};
+
+#endif // CSVPARSER_H

src/data.cpp

@@ -0,0 +1,95 @@
+#include <QFile>
+#include <QFileInfo>
+#include <QLineF>
+#include "gpxparser.h"
+#include "tcxparser.h"
+#include "csvparser.h"
+#include "kmlparser.h"
+#include "fitparser.h"
+#include "igcparser.h"
+#include "nmeaparser.h"
+#include "data.h"
+
+
+Data::Data() : _errorLine(0)
+{
+	_parsers.insert("gpx", new GPXParser(_trackData, _routeData,
+	  _waypointData));
+	_parsers.insert("tcx", new TCXParser(_trackData, _routeData,
+	  _waypointData));
+	_parsers.insert("kml", new KMLParser(_trackData, _routeData,
+	  _waypointData));
+	_parsers.insert("fit", new FITParser(_trackData, _routeData,
+	  _waypointData));
+	_parsers.insert("csv", new CSVParser(_trackData, _routeData,
+	  _waypointData));
+	_parsers.insert("igc", new IGCParser(_trackData, _routeData,
+	  _waypointData));
+	_parsers.insert("nmea", new NMEAParser(_trackData, _routeData,
+	  _waypointData));
+}
+
+Data::~Data()
+{
+	QHash<QString, Parser*>::iterator it;
+
+	for (it = _parsers.begin(); it != _parsers.end(); it++)
+		delete it.value();
+
+	for (int i = 0; i < _tracks.count(); i++)
+		delete _tracks.at(i);
+	for (int i = 0; i < _routes.count(); i++)
+		delete _routes.at(i);
+}
+
+void Data::createData()
+{
+	for (int i = 0; i < _trackData.count(); i++)
+		_tracks.append(new Track(_trackData.at(i)));
+	for (int i = 0; i < _routeData.count(); i++)
+		_routes.append(new Route(_routeData.at(i)));
+}
+
+bool Data::loadFile(const QString &fileName)
+{
+	QFile file(fileName);
+	QFileInfo fi(fileName);
+
+
+	_errorString.clear();
+	_errorLine = 0;
+
+	if (!file.open(QFile::ReadOnly)) {
+		_errorString = qPrintable(file.errorString());
+		return false;
+	}
+
+	QHash<QString, Parser*>::iterator it;
+	if ((it = _parsers.find(fi.suffix().toLower())) != _parsers.end()) {
+		if (it.value()->loadFile(&file)) {
+			createData();
+			return true;
+		}
+
+		_errorLine = it.value()->errorLine();
+		_errorString = it.value()->errorString();
+	} else {
+		for (it = _parsers.begin(); it != _parsers.end(); it++) {
+			if (it.value()->loadFile(&file)) {
+				createData();
+				return true;
+			}
+			file.reset();
+		}
+
+		qWarning("Error loading data file: %s:\n", qPrintable(fileName));
+		for (it = _parsers.begin(); it != _parsers.end(); it++)
+			qWarning("%s: line %d: %s\n", qPrintable(it.key()),
+			  it.value()->errorLine(), qPrintable(it.value()->errorString()));
+
+		_errorLine = 0;
+		_errorString = "Unknown format";
+	}
+
+	return false;
+}

src/data.h

@@ -0,0 +1,44 @@
+#ifndef DATA_H
+#define DATA_H
+
+#include <QVector>
+#include <QList>
+#include <QHash>
+#include <QPointF>
+#include <QString>
+#include "waypoint.h"
+#include "track.h"
+#include "route.h"
+#include "parser.h"
+
+
+class Data
+{
+public:
+	Data();
+	~Data();
+
+	bool loadFile(const QString &fileName);
+	const QString &errorString() const {return _errorString;}
+	int errorLine() const {return _errorLine;}
+
+	const QList<Track*> &tracks() const {return _tracks;}
+	const QList<Route*> &routes() const {return _routes;}
+	const QList<Waypoint> &waypoints() const {return _waypointData;}
+
+private:
+	void createData();
+
+	QString _errorString;
+	int _errorLine;
+	QHash<QString, Parser*> _parsers;
+
+	QList<Track*> _tracks;
+	QList<Route*> _routes;
+
+	QList<TrackData> _trackData;
+	QList<RouteData> _routeData;
+	QList<Waypoint> _waypointData;
+};
+
+#endif // DATA_H

src/datum.cpp

@@ -0,0 +1,83 @@
+#include <QFile>
+#include "wgs84.h"
+#include "datum.h"
+
+
+static QMap<QString, Datum> WGS84()
+{
+	QMap<QString, Datum> map;
+	map.insert("WGS 84", Datum(Ellipsoid(WGS84_RADIUS, WGS84_FLATTENING),
+	  0, 0, 0));
+	return map;
+}
+
+QMap<QString, Datum> Datum::_datums = WGS84();
+QString Datum::_errorString;
+int Datum::_errorLine = 0;
+
+Datum Datum::datum(const QString &name)
+{
+	QMap<QString, Datum>::const_iterator it = _datums.find(name);
+
+	if (it == _datums.end())
+		return Datum();
+
+	return it.value();
+}
+
+bool Datum::loadList(const QString &path)
+{
+	QFile file(path);
+	bool res;
+
+	if (!file.open(QFile::ReadOnly)) {
+		_errorString = qPrintable(file.errorString());
+		return false;
+	}
+
+	_errorLine = 1;
+	_errorString.clear();
+
+	while (!file.atEnd()) {
+		QByteArray line = file.readLine();
+		QList<QByteArray> list = line.split(',');
+		if (list.size() != 6) {
+			_errorString = "Format error";
+			return false;
+		}
+
+		int eid = list[2].trimmed().toInt(&res);
+		if (!res) {
+			_errorString = "Invalid ellipsoid id";
+			return false;
+		}
+		double dx = list[3].trimmed().toDouble(&res);
+		if (!res) {
+			_errorString = "Invalid dx";
+			return false;
+		}
+		double dy = list[4].trimmed().toDouble(&res);
+		if (!res) {
+			_errorString = "Invalid dy";
+			return false;
+		}
+		double dz = list[5].trimmed().toDouble(&res);
+		if (!res) {
+			_errorString = "Invalid dz";
+			return false;
+		}
+
+		Ellipsoid e = Ellipsoid::ellipsoid(eid);
+		if (e.isNull()) {
+			_errorString = "Unknown ellipsoid ID";
+			return false;
+		}
+
+		Datum d(e, dx, dy, dz);
+		_datums.insert(list[0].trimmed(), d);
+
+		_errorLine++;
+	}
+
+	return true;
+}

src/datum.h

@@ -0,0 +1,38 @@
+#ifndef DATUM_H
+#define DATUM_H
+
+#include <QMap>
+#include "ellipsoid.h"
+
+class Datum
+{
+public:
+	Datum() : _ellipsoid(Ellipsoid()), _dx(0), _dy(0), _dz(0) {}
+	Datum(const Ellipsoid &ellipsoid, double dx, double dy, double dz)
+	  : _ellipsoid(ellipsoid), _dx(dx), _dy(dy), _dz(dz) {}
+
+	const Ellipsoid &ellipsoid() const {return _ellipsoid;}
+	double dx() const {return _dx;}
+	double dy() const {return _dy;}
+	double dz() const {return _dz;}
+
+	bool isNull() const {return _ellipsoid.isNull();}
+	bool isWGS84() const
+	  {return _ellipsoid.isWGS84() && _dx == 0 && _dy == 0 && _dz == 0;}
+
+	static bool loadList(const QString &path);
+	static const QString &errorString() {return _errorString;}
+	static int errorLine() {return _errorLine;}
+
+	static Datum datum(const QString &name);
+
+private:
+	Ellipsoid _ellipsoid;
+	double _dx, _dy, _dz;
+
+	static QMap<QString, Datum> _datums;
+	static QString _errorString;
+	static int _errorLine;
+};
+
+#endif // DATUM_H

src/downloader.cpp

@@ -1,5 +1,7 @@
 #include <QFile>
 #include <QFileInfo>
+#include <QNetworkRequest>
+#include <QNetworkReply>
 #include "config.h"
 #include "downloader.h"
 
@@ -14,27 +16,44 @@
 #define PLATFORM_STR "Unknown"
 #endif
 
-#define USER_AGENT APP_NAME"/"APP_VERSION" ("PLATFORM_STR"; Qt "QT_VERSION_STR")"
+#define USER_AGENT \
+	APP_NAME "/" APP_VERSION " (" PLATFORM_STR "; Qt " QT_VERSION_STR ")"
 
-Downloader::Downloader()
+#define ATTR_REDIRECT QNetworkRequest::RedirectionTargetAttribute
+#define ATTR_FILE     QNetworkRequest::User
+#define ATTR_ORIGIN   (QNetworkRequest::Attribute)(QNetworkRequest::User + 1)
+#define ATTR_LEVEL    (QNetworkRequest::Attribute)(QNetworkRequest::User + 2)
+
+#define MAX_REDIRECT_LEVEL 5
+
+
+Downloader::Downloader(QObject *parent) : QObject(parent)
 {
 	connect(&_manager, SIGNAL(finished(QNetworkReply*)),
 			SLOT(downloadFinished(QNetworkReply*)));
 }
 
-void Downloader::doDownload(const Download &dl)
+bool Downloader::doDownload(const Download &dl, const Redirect &redirect)
 {
 	QUrl url(dl.url());
 
 	if (_errorDownloads.contains(url))
-		return;
+		return false;
+	if (_currentDownloads.contains(url))
+		return false;
 
 	QNetworkRequest request(url);
-	request.setAttribute(QNetworkRequest::User, QVariant(dl.file()));
+	request.setAttribute(ATTR_FILE, QVariant(dl.file()));
+	if (!redirect.isNull()) {
+		request.setAttribute(ATTR_ORIGIN, QVariant(redirect.origin()));
+		request.setAttribute(ATTR_LEVEL, QVariant(redirect.level()));
+	}
 	request.setRawHeader("User-Agent", USER_AGENT);
 	QNetworkReply *reply = _manager.get(request);
 
-	_currentDownloads.append(reply);
+	_currentDownloads.insert(url, reply);
+
+	return true;
 }
 
 bool Downloader::saveToDisk(const QString &filename, QIODevice *data)
@@ -42,7 +61,7 @@ bool Downloader::saveToDisk(const QString &filename, QIODevice *data)
 	QFile file(filename);
 
 	if (!file.open(QIODevice::WriteOnly)) {
-		fprintf(stderr, "Error writing map tile: %s: %s\n",
+		qWarning("Error writing map tile: %s: %s\n",
 		  qPrintable(filename), qPrintable(file.errorString()));
 		return false;
 	}
@@ -55,26 +74,61 @@ bool Downloader::saveToDisk(const QString &filename, QIODevice *data)
 
 void Downloader::downloadFinished(QNetworkReply *reply)
 {
-	QUrl url = reply->url();
+	QUrl url = reply->request().url();
+
 	if (reply->error()) {
-		_errorDownloads.insert(url);
-		fprintf(stderr, "Error downloading map tile: %s: %s\n",
-		  url.toEncoded().constData(), qPrintable(reply->errorString()));
+		QUrl origin = reply->request().attribute(ATTR_ORIGIN).toUrl();
+		if (origin.isEmpty()) {
+			_errorDownloads.insert(url);
+			qWarning("Error downloading map tile: %s: %s\n",
+			  url.toEncoded().constData(), qPrintable(reply->errorString()));
+		} else {
+			_errorDownloads.insert(origin);
+			qWarning("Error downloading map tile: %s -> %s: %s\n",
+			  origin.toEncoded().constData(), url.toEncoded().constData(),
+			  qPrintable(reply->errorString()));
+		}
 	} else {
-		QString filename = reply->request().attribute(QNetworkRequest::User)
+		QUrl location = reply->attribute(ATTR_REDIRECT).toUrl();
+		QString filename = reply->request().attribute(ATTR_FILE)
 		  .toString();
-		saveToDisk(filename, reply);
+
+		if (!location.isEmpty()) {
+			QUrl origin = reply->request().attribute(ATTR_ORIGIN).toUrl();
+			int level = reply->request().attribute(ATTR_LEVEL).toInt();
+
+			if (location == url) {
+				_errorDownloads.insert(url);
+				qWarning("Error downloading map tile: %s: "
+				  "redirect loop\n", url.toEncoded().constData());
+			} else if (level >= MAX_REDIRECT_LEVEL) {
+				_errorDownloads.insert(origin);
+				qWarning("Error downloading map tile: %s: "
+				  "redirect level limit reached\n",
+				  origin.toEncoded().constData());
+			} else {
+				Redirect redirect(origin.isEmpty() ? url : origin, level + 1);
+				Download dl(location, filename);
+				doDownload(dl, redirect);
+			}
+		} else
+			if (!saveToDisk(filename, reply))
+				_errorDownloads.insert(url);
 	}
 
-	_currentDownloads.removeAll(reply);
+	_currentDownloads.remove(url);
 	reply->deleteLater();
 
 	if (_currentDownloads.isEmpty())
 		emit finished();
 }
 
-void Downloader::get(const QList<Download> &list)
+bool Downloader::get(const QList<Download> &list)
 {
+	bool finishEmitted = false;
+
 	for (int i = 0; i < list.count(); i++)
-		doDownload(list.at(i));
+		finishEmitted |= doDownload(list.at(i));
+
+	return finishEmitted;
 }

src/downloader.h

@@ -2,23 +2,24 @@
 #define DOWNLOADER_H
 
 #include <QNetworkAccessManager>
-#include <QNetworkRequest>
-#include <QNetworkReply>
 #include <QUrl>
 #include <QList>
+#include <QMap>
 #include <QSet>
 
 
+class QNetworkReply;
+
 class Download
 {
 public:
-	Download(const QString &url, const QString &file)
+	Download(const QUrl &url, const QString &file)
 		{_url = url; _file = file;}
-	const QString& url() const {return _url;}
+	const QUrl& url() const {return _url;}
 	const QString& file() const {return _file;}
 
 private:
-	QString _url;
+	QUrl _url;
 	QString _file;
 };
 
@@ -28,9 +29,9 @@ class Downloader : public QObject
 	Q_OBJECT
 
 public:
-	static Downloader& instance()
-		{static Downloader i; return i;}
-	void get(const QList<Download> &list);
+	Downloader(QObject *parent = 0);
+
+	bool get(const QList<Download> &list);
 
 signals:
 	void finished();
@@ -39,15 +40,28 @@ private slots:
 	void downloadFinished(QNetworkReply *reply);
 
 private:
-	Downloader();
-	Downloader(Downloader const&);
-	void operator=(Downloader const&);
+	class Redirect
+	{
+	public:
+		Redirect() : _level(0) {}
+		Redirect(const QUrl &origin, int level) :
+		  _origin(origin), _level(level) {}
 
-	void doDownload(const Download &dl);
+		const QUrl &origin() const {return _origin;}
+		int level() const {return _level;}
+
+		bool isNull() const {return (_level == 0);}
+
+	private:
+		QUrl _origin;
+		int _level;
+	};
+
+	bool doDownload(const Download &dl, const Redirect &redirect = Redirect());
 	bool saveToDisk(const QString &filename, QIODevice *data);
 
 	QNetworkAccessManager _manager;
-	QList<QNetworkReply *> _currentDownloads;
+	QMap<QUrl, QNetworkReply *> _currentDownloads;
 	QSet<QUrl> _errorDownloads;
 };
 

src/elevationgraph.cpp

@@ -1,98 +1,234 @@
-#include <float.h>
+#include <cmath>
 #include "config.h"
-#include "gpx.h"
+#include "data.h"
 #include "elevationgraph.h"
 
 
-ElevationGraph::ElevationGraph(QWidget *parent) : GraphView(parent)
+static qreal nMin(qreal a, qreal b)
 {
-	_ascent = 0;
-	_descent = 0;
-	_max = -FLT_MAX;
-	_min = FLT_MAX;
-
-	GraphView::setXLabel(tr("Distance"));
-	GraphView::setYLabel(tr("Elevation"));
-	GraphView::setXUnits(tr("km"));
-	GraphView::setYUnits(tr("m"));
-	GraphView::setXScale(M2KM);
+	if (!std::isnan(a) && !std::isnan(b))
+		return qMin(a, b);
+	else if (!std::isnan(a))
+		return a;
+	else if (!std::isnan(b))
+		return b;
+	else
+		return NAN;
 }
 
-void ElevationGraph::addInfo()
+static qreal nMax(qreal a, qreal b)
 {
-	GraphView::addInfo(tr("Ascent"), QString::number(_ascent * _yScale, 'f', 0)
-	  + UNIT_SPACE + _yUnits);
-	GraphView::addInfo(tr("Descent"), QString::number(_descent * _yScale, 'f', 0)
-	  + UNIT_SPACE + _yUnits);
-	GraphView::addInfo(tr("Maximum"), QString::number(_max * _yScale, 'f', 0)
-	  + UNIT_SPACE + _yUnits);
-	GraphView::addInfo(tr("Minimum"), QString::number(_min * _yScale, 'f', 0)
-	  + UNIT_SPACE + _yUnits);
+	if (!std::isnan(a) && !std::isnan(b))
+		return qMax(a, b);
+	else if (!std::isnan(a))
+		return a;
+	else if (!std::isnan(b))
+		return b;
+	else
+		return NAN;
 }
 
-void ElevationGraph::loadGPX(const GPX &gpx)
+ElevationGraph::ElevationGraph(QWidget *parent) : GraphTab(parent)
 {
-	for (int i = 0; i < gpx.trackCount(); i++) {
-		QVector<QPointF> data;
-		qreal min, max, ascent = 0, descent = 0;
+	_trackAscent = 0;
+	_routeAscent = 0;
+	_trackDescent = 0;
+	_routeDescent = 0;
+	_trackMin = NAN;
+	_trackMax = NAN;
+	_routeMin = NAN;
+	_routeMax = NAN;
 
-		gpx.track(i).elevationGraph(data);
-		if (data.isEmpty())
-			return;
+	_showRoutes = true;
+	_showTracks = true;
 
-		min = max = data.at(0).y();
+	_units = Metric;
 
-		for (int i = 1; i < data.size(); i++) {
-			qreal cur = data.at(i).y();
-			qreal prev = data.at(i-1).y();
+	setYUnits();
+	setYLabel(tr("Elevation"));
 
-			if (cur > prev)
-				ascent += cur - prev;
-			if (cur < prev)
-				descent += prev - cur;
+	setMinYRange(50.0);
+}
 
-			if (cur > max)
-				max = cur;
-			if (cur < min)
-				min = cur;
-		}
-
-		_ascent += ascent;
-		_descent += descent;
-		_max = qMax(_max, max);
-		_min = qMin(_min, min);
-
-		addInfo();
-		loadData(data);
+void ElevationGraph::setInfo()
+{
+	if (std::isnan(max()) || std::isnan(min()))
+		clearInfo();
+	else {
+		GraphView::addInfo(tr("Ascent"), QString::number(ascent() * yScale(),
+		  'f', 0) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Descent"), QString::number(descent() * yScale(),
+		  'f', 0) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale(), 'f',
+		  0) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Minimum"), QString::number(min() * yScale(), 'f',
+		  0) + UNIT_SPACE + yUnits());
 	}
 }
 
+void ElevationGraph::loadGraph(const Graph &graph, Type type, PathItem *path)
+{
+	qreal ascent = 0, descent = 0;
+	qreal min, max;
+
+	if (graph.size() < 2) {
+		skipColor();
+		return;
+	}
+
+	max = min = graph.at(0).y();
+	for (int j = 1; j < graph.size(); j++) {
+		qreal cur = graph.at(j).y();
+		qreal prev = graph.at(j-1).y();
+
+		if (cur > prev)
+			ascent += cur - prev;
+		if (cur < prev)
+			descent += prev - cur;
+
+		if (cur < min)
+			min = cur;
+		if (cur > max)
+			max = cur;
+	}
+
+	if (type == Track) {
+		_trackAscent += ascent;
+		_trackDescent += descent;
+		_trackMax = nMax(_trackMax, max);
+		_trackMin = nMin(_trackMin, min);
+	} else {
+		_routeAscent += ascent;
+		_routeDescent += descent;
+		_routeMax = nMax(_routeMax, max);
+		_routeMin = nMin(_routeMin, min);
+	}
+
+	GraphView::loadGraph(graph, path, type);
+}
+
+void ElevationGraph::loadData(const Data &data, const QList<PathItem *> &paths)
+{
+	int p = 0;
+
+	for (int i = 0; i < data.tracks().count(); i++)
+		loadGraph(data.tracks().at(i)->elevation(), Track, paths.at(p++));
+	for (int i = 0; i < data.routes().count(); i++)
+		loadGraph(data.routes().at(i)->elevation(), Route, paths.at(p++));
+
+	setInfo();
+
+	redraw();
+}
+
 void ElevationGraph::clear()
 {
-	_ascent = 0;
-	_descent = 0;
-	_max = -FLT_MAX;
-	_min = FLT_MAX;
+	_trackAscent = 0;
+	_routeAscent = 0;
+	_trackDescent = 0;
+	_routeDescent = 0;
+	_trackMin = NAN;
+	_trackMax = NAN;
+	_routeMin = NAN;
+	_routeMax = NAN;
 
 	GraphView::clear();
 }
 
+void ElevationGraph::setYUnits()
+{
+	if (_units == Metric) {
+		GraphView::setYUnits(tr("m"));
+		setYScale(1);
+	} else {
+		GraphView::setYUnits(tr("ft"));
+		setYScale(M2FT);
+	}
+}
+
 void ElevationGraph::setUnits(enum Units units)
 {
-	if (units == Metric) {
-		GraphView::setXUnits(tr("km"));
-		GraphView::setYUnits(tr("m"));
-		GraphView::setXScale(M2KM);
-		GraphView::setYScale(1);
-	} else {
-		GraphView::setXUnits(tr("mi"));
-		GraphView::setYUnits(tr("ft"));
-		GraphView::setXScale(M2MI);
-		GraphView::setYScale(M2FT);
-	}
+	_units = units;
 
-	clearInfo();
-	addInfo();
+	setYUnits();
+	setInfo();
+	GraphView::setUnits(units);
 
 	redraw();
 }
+
+void ElevationGraph::showTracks(bool show)
+{
+	_showTracks = show;
+
+	setInfo();
+	showGraph(show, Track);
+
+	redraw();
+}
+
+void ElevationGraph::showRoutes(bool show)
+{
+	_showRoutes = show;
+
+	showGraph(show, Route);
+	setInfo();
+
+	redraw();
+}
+
+qreal ElevationGraph::ascent() const
+{
+	qreal val = 0;
+
+	if (_showRoutes)
+		val += _routeAscent;
+	if (_showTracks)
+		val += _trackAscent;
+
+	return val;
+}
+
+qreal ElevationGraph::descent() const
+{
+	qreal val = 0;
+
+	if (_showRoutes)
+		val += _routeDescent;
+	if (_showTracks)
+		val += _trackDescent;
+
+	return val;
+}
+
+qreal ElevationGraph::max() const
+{
+	qreal val;
+
+	if (_showRoutes && _showTracks)
+		val = nMax(_routeMax, _trackMax);
+	else if (_showTracks)
+		val = _trackMax;
+	else if (_showRoutes)
+		val = _routeMax;
+	else
+		val = NAN;
+
+	return val;
+}
+
+qreal ElevationGraph::min() const
+{
+	qreal val;
+
+	if (_showRoutes && _showTracks)
+		val = nMin(_routeMin, _trackMin);
+	else if (_showTracks)
+		val = _trackMin;
+	else if (_showRoutes)
+		val = _routeMin;
+	else
+		val = NAN;
+
+	return val;
+}

src/elevationgraph.h

@@ -1,32 +1,42 @@
 #ifndef ELEVATIONGRAPH_H
 #define ELEVATIONGRAPH_H
 
-#include "graphview.h"
-#include "units.h"
+#include "graphtab.h"
 
-class GPX;
-
-class ElevationGraph : public GraphView
+class ElevationGraph : public GraphTab
 {
 	Q_OBJECT
 
 public:
 	ElevationGraph(QWidget *parent = 0);
 
-	void loadGPX(const GPX &gpx);
+	QString label() const {return tr("Elevation");}
+	void loadData(const Data &data, const QList<PathItem *> &paths);
 	void clear();
 	void setUnits(enum Units units);
-
-	qreal ascent() const {return _ascent;}
-	qreal descent() const {return _descent;}
-	qreal max() const {return _max;}
-	qreal min() const {return _min;}
+	void showTracks(bool show);
+	void showRoutes(bool show);
 
 private:
-	void addInfo();
+	enum Type {Track, Route};
 
-	qreal _ascent, _descent;
-	qreal _max, _min;
+	qreal max() const;
+	qreal min() const;
+	qreal ascent() const;
+	qreal descent() const;
+
+	void setYUnits();
+	void setInfo();
+
+	void loadGraph(const Graph &graph, Type type, PathItem *path);
+
+	qreal _trackAscent, _trackDescent;
+	qreal _routeAscent, _routeDescent;
+	qreal _trackMax, _routeMax;
+	qreal _trackMin, _routeMin;
+
+	enum Units _units;
+	bool _showTracks, _showRoutes;
 };
 
 #endif // ELEVATIONGRAPH_H

src/ellipsoid.cpp

@@ -0,0 +1,62 @@
+#include <QFile>
+#include "ellipsoid.h"
+
+QMap<int, Ellipsoid> Ellipsoid::_ellipsoids;
+QString Ellipsoid::_errorString;
+int Ellipsoid::_errorLine = 0;
+
+Ellipsoid Ellipsoid::ellipsoid(int id)
+{
+	QMap<int, Ellipsoid>::const_iterator it = _ellipsoids.find(id);
+
+	if (it == _ellipsoids.end())
+		return Ellipsoid();
+
+	return it.value();
+}
+
+bool Ellipsoid::loadList(const QString &path)
+{
+	QFile file(path);
+	bool res;
+
+	if (!file.open(QFile::ReadOnly)) {
+		_errorString = qPrintable(file.errorString());
+		return false;
+	}
+
+	_errorLine = 1;
+	_errorString.clear();
+
+	while (!file.atEnd()) {
+		QByteArray line = file.readLine();
+		QList<QByteArray> list = line.split(',');
+		if (list.size() != 4) {
+			_errorString = "Format error";
+			return false;
+		}
+
+		int id = list[0].trimmed().toInt(&res);
+		if (!res) {
+			_errorString = "Invalid ellipsoid id";
+			return false;
+		}
+		double radius = list[2].trimmed().toDouble(&res);
+		if (!res) {
+			_errorString = "Invalid ellipsoid radius";
+			return false;
+		}
+		double flattening = list[3].trimmed().toDouble(&res);
+		if (!res) {
+			_errorString = "Invalid ellipsoid flattening";
+			return false;
+		}
+
+		Ellipsoid e(radius, 1.0/flattening);
+		_ellipsoids.insert(id, e);
+
+		_errorLine++;
+	}
+
+	return true;
+}

src/ellipsoid.h

@@ -0,0 +1,37 @@
+#ifndef ELLIPSOID_H
+#define ELLIPSOID_H
+
+#include <QString>
+#include <QMap>
+#include "wgs84.h"
+
+class Ellipsoid
+{
+public:
+	Ellipsoid() : _radius(-1.0), _flattening(-1.0) {}
+	Ellipsoid(double radius, double flattening)
+	  : _radius(radius), _flattening(flattening) {}
+
+	double radius() const {return _radius;}
+	double flattening() const {return _flattening;}
+
+	bool isNull() const {return _radius < 0 || _flattening < 0;}
+	bool isWGS84() const
+	  {return _radius == WGS84_RADIUS && _flattening == WGS84_FLATTENING;}
+
+	static bool loadList(const QString &path);
+	static const QString &errorString() {return _errorString;}
+	static int errorLine() {return _errorLine;}
+
+	static Ellipsoid ellipsoid(int id);
+
+private:
+	double _radius;
+	double _flattening;
+
+	static QMap<int, Ellipsoid> _ellipsoids;
+	static QString _errorString;
+	static int _errorLine;
+};
+
+#endif // ELLIPSOID_H

src/emptymap.cpp

@@ -0,0 +1,77 @@
+#include <QtGlobal>
+#include <QPainter>
+#include "misc.h"
+#include "rd.h"
+#include "wgs84.h"
+#include "coordinates.h"
+#include "mercator.h"
+#include "emptymap.h"
+
+
+#define SCALE_MIN 0.5
+#define SCALE_MAX 1.0E-6
+
+EmptyMap::EmptyMap(QObject *parent) : Map(parent)
+{
+	_scale = SCALE_MAX;
+}
+
+QRectF EmptyMap::bounds() const
+{
+	return scaled(QRectF(QPointF(-180, -180), QSizeF(360, 360)), 1.0/_scale);
+}
+
+qreal EmptyMap::zoomFit(const QSize &size, const QRectF &br)
+{
+	if (br.isNull())
+		_scale = SCALE_MAX;
+	else {
+		Coordinates topLeft(br.topLeft());
+		Coordinates bottomRight(br.bottomRight());
+		QRectF tbr(Mercator().ll2xy(topLeft), Mercator().ll2xy(bottomRight));
+
+		QPointF sc(tbr.width() / size.width(), tbr.height() / size.height());
+
+		_scale = qMax(sc.x(), sc.y());
+	}
+
+	_scale = qMax(_scale, SCALE_MAX);
+	_scale = qMin(_scale, SCALE_MIN);
+
+	return _scale;
+}
+
+qreal EmptyMap::resolution(const QPointF &p) const
+{
+	return (WGS84_RADIUS * 2 * M_PI * _scale / 360.0
+	  * cos(2.0 * atan(exp(deg2rad(-p.y() * _scale))) - M_PI/2));
+}
+
+qreal EmptyMap::zoomIn()
+{
+	_scale = qMax(_scale / 2.0, SCALE_MAX);
+	return _scale;
+}
+
+qreal EmptyMap::zoomOut()
+{
+	_scale = qMin(_scale * 2.0, SCALE_MIN);
+	return _scale;
+}
+
+void EmptyMap::draw(QPainter *painter, const QRectF &rect)
+{
+	painter->fillRect(rect, Qt::white);
+}
+
+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)
+{
+	QPointF m(p.x() * _scale, -p.y() * _scale);
+	return Mercator().xy2ll(m);
+}

src/emptymap.h

@@ -0,0 +1,33 @@
+#ifndef EMPTYMAP_H
+#define EMPTYMAP_H
+
+#include "map.h"
+
+class EmptyMap : public Map
+{
+	Q_OBJECT
+
+public:
+	EmptyMap(QObject *parent = 0);
+
+	const QString &name() const {return _name;}
+
+	QRectF bounds() const;
+	qreal resolution(const QPointF &p) const;
+
+	qreal zoom() const {return _scale;}
+	qreal zoomFit(const QSize &size, const QRectF &br);
+	qreal zoomIn();
+	qreal zoomOut();
+
+	QPointF ll2xy(const Coordinates &c);
+	Coordinates xy2ll(const QPointF &p);
+
+	void draw(QPainter *painter, const QRectF &rect);
+
+private:
+	QString _name;
+	qreal _scale;
+};
+
+#endif // EMPTYMAP_H

src/exportdialog.cpp

@@ -0,0 +1,177 @@
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QFormLayout>
+#include <QGridLayout>
+#include <QDialogButtonBox>
+#include <QGroupBox>
+#include <QComboBox>
+#include <QRadioButton>
+#include <QPushButton>
+#include <QFileInfo>
+#include <QMessageBox>
+#include <QTabWidget>
+#include <QDoubleSpinBox>
+#include "fileselectwidget.h"
+#include "units.h"
+#include "exportdialog.h"
+
+
+ExportDialog::ExportDialog(Export *exp, QWidget *parent)
+  : QDialog(parent), _export(exp)
+{
+	int index;
+
+	_fileSelect = new FileSelectWidget();
+	_fileSelect->setFilter(tr("PDF files (*.pdf);;All files (*)"));
+	_fileSelect->setFile(_export->fileName);
+
+	_paperSize = new QComboBox();
+	_paperSize->addItem("A3", QPrinter::A3);
+	_paperSize->addItem("A4", QPrinter::A4);
+	_paperSize->addItem("A5", QPrinter::A5);
+	_paperSize->addItem("Tabloid", QPrinter::Tabloid);
+	_paperSize->addItem("Legal", QPrinter::Legal);
+	_paperSize->addItem("Letter", QPrinter::Letter);
+	if ((index = _paperSize->findData(_export->paperSize)) >= 0)
+		_paperSize->setCurrentIndex(index);
+
+	_portrait = new QRadioButton(tr("Portrait"));
+	_landscape = new QRadioButton(tr("Landscape"));
+	QHBoxLayout *orientationLayout = new QHBoxLayout();
+	orientationLayout->addWidget(_portrait);
+	orientationLayout->addWidget(_landscape);
+	if (_export->orientation == QPrinter::Portrait)
+		_portrait->setChecked(true);
+	else
+		_landscape->setChecked(true);
+
+	_topMargin = new QDoubleSpinBox();
+	_bottomMargin = new QDoubleSpinBox();
+	_leftMargin = new QDoubleSpinBox();
+	_rightMargin = new QDoubleSpinBox();
+	QString us = (_export->units == Imperial) ? tr("in") : tr("mm");
+	_topMargin->setSuffix(UNIT_SPACE + us);
+	_bottomMargin->setSuffix(UNIT_SPACE + us);
+	_leftMargin->setSuffix(UNIT_SPACE + us);
+	_rightMargin->setSuffix(UNIT_SPACE + us);
+	if (_export->units == Imperial) {
+		_topMargin->setValue(_export->margins.top() * MM2IN);
+		_bottomMargin->setValue(_export->margins.bottom() * MM2IN);
+		_leftMargin->setValue(_export->margins.left() * MM2IN);
+		_rightMargin->setValue(_export->margins.right() * MM2IN);
+		_topMargin->setSingleStep(0.1);
+		_bottomMargin->setSingleStep(0.1);
+		_leftMargin->setSingleStep(0.1);
+		_rightMargin->setSingleStep(0.1);
+	} else {
+		_topMargin->setValue(_export->margins.top());
+		_bottomMargin->setValue(_export->margins.bottom());
+		_leftMargin->setValue(_export->margins.left());
+		_rightMargin->setValue(_export->margins.right());
+	}
+
+	QGridLayout *marginsLayout = new QGridLayout();
+	marginsLayout->addWidget(_topMargin, 0, 0, 1, 2, Qt::AlignCenter);
+	marginsLayout->addWidget(_leftMargin, 1, 0, 1, 1, Qt::AlignRight);
+	marginsLayout->addWidget(_rightMargin, 1, 1, 1, 1, Qt::AlignLeft);
+	marginsLayout->addWidget(_bottomMargin, 2, 0, 1, 2, Qt::AlignCenter);
+
+#ifndef Q_OS_MAC
+	QGroupBox *pageSetupBox = new QGroupBox(tr("Page Setup"));
+#endif // Q_OS_MAC
+	QFormLayout *pageSetupLayout = new QFormLayout;
+	pageSetupLayout->addRow(tr("Page size:"), _paperSize);
+	pageSetupLayout->addRow(tr("Orientation:"), orientationLayout);
+	pageSetupLayout->addRow(tr("Margins:"), marginsLayout);
+#ifdef Q_OS_MAC
+	QFrame *line = new QFrame();
+	line->setFrameShape(QFrame::HLine);
+	line->setFrameShadow(QFrame::Sunken);
+	pageSetupLayout->addRow(line);
+	pageSetupLayout->addRow(tr("File:"), _fileSelect);
+	pageSetupLayout->setFieldGrowthPolicy(QFormLayout::ExpandingFieldsGrow);
+#else // Q_OS_MAC
+	pageSetupBox->setLayout(pageSetupLayout);
+#endif // Q_OS_MAC
+
+#ifndef Q_OS_MAC
+	QGroupBox *outputFileBox = new QGroupBox(tr("Output file"));
+	QHBoxLayout *outputFileLayout = new QHBoxLayout();
+	outputFileLayout->addWidget(_fileSelect);
+	outputFileBox->setLayout(outputFileLayout);
+#endif // Q_OS_MAC
+
+	QDialogButtonBox *buttonBox = new QDialogButtonBox();
+	buttonBox->addButton(tr("Export"), QDialogButtonBox::AcceptRole);
+	buttonBox->addButton(QDialogButtonBox::Cancel);
+	connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
+	connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
+
+	QVBoxLayout *layout = new QVBoxLayout;
+#ifdef Q_OS_MAC
+	layout->addLayout(pageSetupLayout);
+#else // Q_OS_MAC
+	layout->addWidget(pageSetupBox);
+	layout->addWidget(outputFileBox);
+#endif // Q_OS_MAC
+	layout->addWidget(buttonBox);
+	setLayout(layout);
+
+	setWindowTitle(tr("Export to PDF"));
+	setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+}
+
+bool ExportDialog::checkFile()
+{
+	if (_fileSelect->file().isEmpty()) {
+		QMessageBox::warning(this, tr("Error"), tr("No output file selected."));
+		return false;
+	}
+
+	QFile file(_fileSelect->file());
+	QFileInfo fi(file);
+	bool exists = fi.exists();
+	bool opened = false;
+
+	if (exists && fi.isDir()) {
+		QMessageBox::warning(this, tr("Error"), tr("%1 is a directory.")
+		  .arg(file.fileName()));
+		return false;
+	} else if ((exists && !fi.isWritable())
+	  || !(opened = file.open(QFile::Append))) {
+		QMessageBox::warning(this, tr("Error"), tr("%1 is not writable.")
+		  .arg(file.fileName()));
+		return false;
+	}
+	if (opened) {
+		file.close();
+		if (!exists)
+			file.remove();
+	}
+
+	return true;
+}
+
+void ExportDialog::accept()
+{
+	if (!checkFile())
+		return;
+
+	QPrinter::Orientation orientation = _portrait->isChecked()
+	  ? QPrinter::Portrait : QPrinter::Landscape;
+	QPrinter::PaperSize paperSize = static_cast<QPrinter::PaperSize>
+	  (_paperSize->itemData(_paperSize->currentIndex()).toInt());
+
+	_export->fileName = _fileSelect->file();
+	_export->paperSize = paperSize;
+	_export->orientation = orientation;
+	if (_export->units == Imperial)
+		_export->margins = MarginsF(_leftMargin->value() / MM2IN,
+		_topMargin->value() / MM2IN, _rightMargin->value() / MM2IN,
+		_bottomMargin->value() / MM2IN);
+	else
+		_export->margins = MarginsF(_leftMargin->value(), _topMargin->value(),
+		  _rightMargin->value(), _bottomMargin->value());
+
+	QDialog::accept();
+}

src/exportdialog.h

@@ -0,0 +1,48 @@
+#ifndef EXPORTDIALOG_H
+#define EXPORTDIALOG_H
+
+#include <QDialog>
+#include <QPrinter>
+#include "margins.h"
+#include "units.h"
+
+class QComboBox;
+class QRadioButton;
+class FileSelectWidget;
+class QDoubleSpinBox;
+
+struct Export {
+	QString fileName;
+	QPrinter::PaperSize paperSize;
+	QPrinter::Orientation orientation;
+	MarginsF margins;
+
+	Units units;
+};
+
+class ExportDialog : public QDialog
+{
+	Q_OBJECT
+
+public:
+	ExportDialog(Export *exp, QWidget *parent = 0);
+
+public slots:
+	void accept();
+
+private:
+	bool checkFile();
+
+	Export *_export;
+
+	FileSelectWidget *_fileSelect;
+	QComboBox *_paperSize;
+	QRadioButton *_portrait;
+	QRadioButton *_landscape;
+	QDoubleSpinBox *_topMargin;
+	QDoubleSpinBox *_bottomMargin;
+	QDoubleSpinBox *_leftMargin;
+	QDoubleSpinBox *_rightMargin;
+};
+
+#endif // EXPORTDIALOG_H

src/filebrowser.cpp

@@ -41,12 +41,12 @@ void FileBrowser::setFilter(const QStringList &filter)
 		reloadDirectory(_files.last().canonicalPath());
 }
 
-bool FileBrowser::isLast()
+bool FileBrowser::isLast() const
 {
 	return (_files.size() > 0 && _index == _files.size() - 1);
 }
 
-bool FileBrowser::isFirst()
+bool FileBrowser::isFirst() const
 {
 	return (_files.size() > 0 && _index == 0);
 }

src/filebrowser.h

@@ -23,8 +23,8 @@ public:
 	QString last();
 	QString first();
 
-	bool isLast();
-	bool isFirst();
+	bool isLast() const;
+	bool isFirst() const;
 
 private slots:
 	void reloadDirectory(const QString &path);

src/fileselectwidget.cpp

@@ -0,0 +1,43 @@
+#include <QPushButton>
+#include <QToolButton>
+#include <QFileDialog>
+#include <QHBoxLayout>
+#include <QFileInfo>
+#include <QApplication>
+#include <QFontMetrics>
+#include "fileselectwidget.h"
+
+
+FileSelectWidget::FileSelectWidget(QWidget *parent) : QWidget(parent)
+{
+	QFontMetrics fm(QApplication::font());
+	_edit = new QLineEdit();
+	_edit->setMinimumWidth(fm.boundingRect(QDir::homePath()).width());
+#ifdef Q_OS_WIN32
+	_button = new QPushButton("...");
+	_button->setMaximumWidth(_button->sizeHint().width() / 2);
+#else // Q_OS_WIN32
+	_button = new QToolButton();
+	_button->setText("...");
+#endif // Q_OS_WIN32
+	connect(_button, SIGNAL(clicked()), this, SLOT(browse()));
+
+	QHBoxLayout *layout = new QHBoxLayout();
+	layout->setMargin(0);
+	layout->addWidget(_edit);
+	layout->addWidget(_button);
+	setLayout(layout);
+
+	QSizePolicy p(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
+	setSizePolicy(p);
+}
+
+void FileSelectWidget::browse()
+{
+	QFileInfo fi(_edit->text());
+	QString fileName = QFileDialog::getSaveFileName(this, tr("Select file"),
+	  fi.dir().absolutePath(), _filter);
+
+	if (!fileName.isEmpty())
+		_edit->setText(fileName);
+}

src/fileselectwidget.h

@@ -0,0 +1,35 @@
+#ifndef FILESELECTWIDGET_H
+#define FILESELECTWIDGET_H
+
+#include <QWidget>
+#include <QLineEdit>
+
+class QPushButton;
+class QToolButton;
+
+class FileSelectWidget : public QWidget
+{
+	Q_OBJECT
+
+public:
+	FileSelectWidget(QWidget *parent = 0);
+
+	QString file() {return _edit->text();}
+	void setFile(const QString &file) {_edit->setText(file);}
+	void setFilter(const QString &filter) {_filter = filter;}
+
+private slots:
+	void browse();
+
+private:
+	QLineEdit *_edit;
+#ifdef Q_OS_WIN32
+	QPushButton *_button;
+#else // Q_OS_WIN32
+	QToolButton *_button;
+#endif // Q_OS_WIN32
+
+	QString _filter;
+};
+
+#endif // FILESELECTWIDGET_H

src/fitparser.cpp

@@ -0,0 +1,360 @@
+#include <cstring>
+#include <QtEndian>
+#include "assert.h"
+#include "fitparser.h"
+
+
+const quint32 FIT_MAGIC = 0x5449462E; // .FIT
+
+#define RECORD_MESSAGE  20
+#define TIMESTAMP_FIELD 253
+
+
+FITParser::FITParser(QList<TrackData> &tracks, QList<RouteData> &routes,
+  QList<Waypoint> &waypoints) : Parser(tracks, routes, waypoints)
+{
+	memset(_defs, 0, sizeof(_defs));
+
+	_device = 0;
+	_endian = 0;
+	_timestamp = 0;
+	_len = 0;
+}
+
+void FITParser::clearDefinitions()
+{
+	for (int i = 0; i < 16; i++) {
+		if (_defs[i].fields)
+			delete[] _defs[i].fields;
+		if (_defs[i].devFields)
+			delete[] _defs[i].devFields;
+	}
+
+	memset(_defs, 0, sizeof(_defs));
+}
+
+void FITParser::warning(const char *text) const
+{
+	const QFile *file = static_cast<QFile *>(_device);
+	qWarning("%s:%d: %s\n", qPrintable(file->fileName()), _len, text);
+}
+
+bool FITParser::readData(char *data, size_t size)
+{
+	qint64 n;
+
+	n = _device->read(data, size);
+	if (n < 0) {
+		_errorString = "I/O error";
+		return false;
+	} else if ((size_t)n < size) {
+		_errorString = "Premature end of data";
+		return false;
+	}
+
+	return true;
+}
+
+template<class T> bool FITParser::readValue(T &val)
+{
+	T data;
+
+	if (!readData((char*)&data, sizeof(T)))
+		return false;
+
+	_len -= sizeof(T);
+
+	if (sizeof(T) > 1) {
+		if (_endian)
+			val = qFromBigEndian(data);
+		else
+			val = qFromLittleEndian(data);
+	} else
+		val = data;
+
+	return true;
+}
+
+bool FITParser::skipValue(size_t size)
+{
+	size_t i;
+	quint8 val;
+
+	for (i = 0; i < size; i++)
+		if (!readValue(val))
+			return false;
+
+	return true;
+}
+
+bool FITParser::parseDefinitionMessage(quint8 header)
+{
+	int local_id = header & 0x0f;
+	MessageDefinition* def = &_defs[local_id];
+	quint8 i;
+
+
+	if (def->fields) {
+		delete[] def->fields;
+		def->fields = 0;
+	}
+	if (def->devFields) {
+		delete[] def->devFields;
+		def->devFields = 0;
+	}
+
+	// reserved/unused
+	if (!readValue(i))
+		return false;
+
+	// endianness
+	if (!readValue(def->endian))
+		return false;
+	if (def->endian > 1) {
+		_errorString = "Bad endian field";
+		return false;
+	}
+	_endian = def->endian;
+
+	// global message number
+	if (!readValue(def->globalId))
+		return false;
+
+	// number of records
+	if (!readValue(def->numFields))
+		return false;
+
+	// definition records
+	def->fields = new Field[def->numFields];
+	for (i = 0; i < def->numFields; i++) {
+		STATIC_ASSERT(sizeof(def->fields[i]) == 3);
+		if (!readData((char*)&(def->fields[i]), sizeof(def->fields[i])))
+			return false;
+		_len -= sizeof(def->fields[i]);
+	}
+
+	// developer definition records
+	if (header & 0x20) {
+		if (!readValue(def->numDevFields))
+			return false;
+
+		def->devFields = new Field[def->numDevFields];
+		for (i = 0; i < def->numDevFields; i++) {
+			STATIC_ASSERT(sizeof(def->devFields[i]) == 3);
+			if (!readData((char*)&(def->devFields[i]),
+			  sizeof(def->devFields[i])))
+				return false;
+			_len -= sizeof(def->devFields[i]);
+		}
+	}
+
+	return true;
+}
+
+bool FITParser::readField(Field *f, quint32 &val)
+{
+	quint8 v8 = (quint8)-1;
+	quint16 v16 = (quint16)-1;
+	bool ret;
+
+	val = (quint32)-1;
+
+	switch (f->type) {
+		case 1: // sint8
+		case 2: // uint8
+			if (f->size == 1) {
+				ret = readValue(v8);
+				val = v8;
+			} else
+				ret = skipValue(f->size);
+			break;
+		case 0x83: // sint16
+		case 0x84: // uint16
+			if (f->size == 2) {
+				ret = readValue(v16);
+				val = v16;
+			} else
+				ret = skipValue(f->size);
+			break;
+		case 0x85: // sint32
+		case 0x86: // uint32
+			if (f->size == 4)
+				ret = readValue(val);
+			else
+				ret = skipValue(f->size);
+			break;
+		default:
+			ret = skipValue(f->size);
+			break;
+	}
+
+	return ret;
+}
+
+bool FITParser::parseData(MessageDefinition *def, quint8 offset)
+{
+	Field *field;
+	quint32 timestamp = _timestamp + offset;
+	quint32 val;
+	Trackpoint trackpoint;
+	int i;
+
+
+	if (!def->fields && !def->devFields) {
+		_errorString = "Undefined data message";
+		return false;
+	}
+
+	_endian = def->endian;
+
+	for (i = 0; i < def->numFields; i++) {
+		field = &def->fields[i];
+		if (!readField(field, val))
+			return false;
+
+		if (field->id == TIMESTAMP_FIELD)
+			_timestamp = timestamp = val;
+		else if (def->globalId == RECORD_MESSAGE) {
+			switch (field->id) {
+				case 0:
+					if (val != 0x7fffffff)
+						trackpoint.rcoordinates().setLat(
+						  ((qint32)val / (double)0x7fffffff) * 180);
+					break;
+				case 1:
+					if (val != 0x7fffffff)
+						trackpoint.rcoordinates().setLon(
+						  ((qint32)val / (double)0x7fffffff) * 180);
+					break;
+				case 2:
+					if (val != 0xffff)
+						trackpoint.setElevation((val / 5.0) - 500);
+					break;
+				case 3:
+					if (val != 0xff)
+						trackpoint.setHeartRate(val);
+					break;
+				case 4:
+					if (val != 0xff)
+						trackpoint.setCadence(val);
+					break;
+				case 6:
+					if (val != 0xffff)
+						trackpoint.setSpeed(val / 1000.0f);
+					break;
+				case 7:
+					if (val != 0xffff)
+						trackpoint.setPower(val);
+					break;
+				case 13:
+					if (val != 0x7f)
+						trackpoint.setTemperature((qint8)val);
+					break;
+				default:
+					break;
+
+			}
+		}
+	}
+
+	for (i = 0; i < def->numDevFields; i++) {
+		field = &def->devFields[i];
+		if (!readField(field, val))
+			return false;
+	}
+
+
+	if (def->globalId == RECORD_MESSAGE) {
+		if (trackpoint.coordinates().isValid()) {
+			trackpoint.setTimestamp(QDateTime::fromTime_t(timestamp
+			  + 631065600));
+			_tracks.last().append(trackpoint);
+		} else {
+			if (trackpoint.coordinates().isNull())
+				warning("Missing coordinates");
+			else {
+				_errorString = "Invalid coordinates";
+				return false;
+			}
+		}
+	}
+
+	return true;
+}
+
+bool FITParser::parseDataMessage(quint8 header)
+{
+	int local_id = header & 0xf;
+	MessageDefinition* def = &_defs[local_id];
+	return parseData(def, 0);
+}
+
+bool FITParser::parseCompressedMessage(quint8 header)
+{
+	int local_id = (header >> 5) & 3;
+	MessageDefinition* def = &_defs[local_id];
+	return parseData(def, header & 0x1f);
+}
+
+bool FITParser::parseRecord()
+{
+	quint8 header;
+
+	if (!readValue(header))
+		return false;
+
+	if (header & 0x80)
+		return parseCompressedMessage(header);
+	else if (header & 0x40)
+		return parseDefinitionMessage(header);
+	else
+		return parseDataMessage(header);
+}
+
+bool FITParser::parseHeader()
+{
+	FileHeader hdr;
+	quint16 crc;
+	qint64 len;
+
+	STATIC_ASSERT(sizeof(hdr) == 12);
+	len = _device->read((char*)&hdr, sizeof(hdr));
+	if (len < 0) {
+		_errorString = "I/O error";
+		return false;
+	} else if ((size_t)len < sizeof(hdr)
+	  || hdr.magic != qToLittleEndian(FIT_MAGIC)) {
+		_errorString = "Not a FIT file";
+		return false;
+	}
+
+	_len = qFromLittleEndian(hdr.dataSize);
+
+	if (hdr.headerSize > sizeof(hdr))
+		if (!readData((char *)&crc, sizeof(crc)))
+			return false;
+
+	return true;
+}
+
+bool FITParser::loadFile(QFile *file)
+{
+	bool ret = true;
+
+	_device = file;
+	_endian = 0;
+	_timestamp = 0;
+
+	if (!parseHeader())
+		return false;
+
+	_tracks.append(TrackData());
+
+	while (_len)
+		if ((ret = parseRecord()) == false)
+			break;
+
+	clearDefinitions();
+
+	return ret;
+}

src/fitparser.h

@@ -0,0 +1,66 @@
+#ifndef FITPARSER_H
+#define FITPARSER_H
+
+#include "parser.h"
+
+class FITParser : public Parser
+{
+public:
+	FITParser(QList<TrackData> &tracks, QList<RouteData> &routes,
+	  QList<Waypoint> &waypoints);
+	~FITParser() {}
+
+	bool loadFile(QFile *file);
+	QString errorString() const {return _errorString;}
+	int errorLine() const {return 0;}
+
+private:
+	typedef struct {
+		quint8 headerSize;
+		quint8 protocolVersion;
+		quint16 profileVersion;
+		quint32 dataSize;
+		quint32 magic;
+	} FileHeader;
+
+	typedef struct {
+		quint8 id;
+		quint8 size;
+		quint8 type;
+	} Field;
+
+	typedef struct {
+		quint8 endian;
+		quint16 globalId;
+		quint8 numFields;
+		Field *fields;
+		quint8 numDevFields;
+		Field *devFields;
+	} MessageDefinition;
+
+
+	void warning(const char *text) const;
+	void clearDefinitions();
+
+	bool readData(char *data, size_t size);
+	template<class T> bool readValue(T &val);
+	bool skipValue(size_t size);
+
+	bool parseHeader();
+	bool parseRecord();
+	bool parseDefinitionMessage(quint8 header);
+	bool parseCompressedMessage(quint8 header);
+	bool parseDataMessage(quint8 header);
+	bool parseData(MessageDefinition *def, quint8 offset);
+	bool readField(Field *f, quint32 &val);
+
+	QIODevice *_device;
+	QString _errorString;
+
+	quint32 _len;
+	quint8 _endian;
+	quint32 _timestamp;
+	MessageDefinition _defs[16];
+};
+
+#endif // FITPARSER_H

src/format.cpp

@@ -0,0 +1,53 @@
+#include <QApplication>
+#include "coordinates.h"
+#include "format.h"
+
+QString Format::timeSpan(qreal time)
+{
+	unsigned h, m, s;
+
+	h = time / 3600;
+	m = (time - (h * 3600)) / 60;
+	s = time - (h * 3600) - (m * 60);
+
+	return QString("%1:%2:%3").arg(h).arg(m, 2, 10, QChar('0'))
+	  .arg(s, 2, 10, QChar('0'));
+}
+
+QString Format::distance(qreal value, Units units)
+{
+	if (units == Imperial) {
+		if (value < MIINM)
+			return QString::number(value * M2FT, 'f', 0) + UNIT_SPACE
+			  + qApp->translate("Format", "ft");
+		else
+			return QString::number(value * M2MI, 'f', 1) + UNIT_SPACE
+			  + qApp->translate("Format", "mi");
+	} else {
+		if (value < KMINM)
+			return QString::number(value, 'f', 0) + UNIT_SPACE
+			  + qApp->translate("Format", "m");
+		else
+			return QString::number(value * M2KM, 'f', 1) + UNIT_SPACE
+			  + qApp->translate("Format", "km");
+	}
+}
+
+QString Format::elevation(qreal value, Units units)
+{
+	if (units == Metric)
+		return QString::number(value, 'f', 0) + UNIT_SPACE
+		  + qApp->translate("Format", "m");
+	else
+		return QString::number(value * M2FT, 'f', 0) + UNIT_SPACE
+		  + qApp->translate("Format", "ft");
+}
+
+QString Format::coordinates(const Coordinates &value)
+{
+	QChar yH = (value.lat() < 0) ? 'S' : 'N';
+	QChar xH = (value.lon() < 0) ? 'W' : 'E';
+
+	return QString::number(qAbs(value.lat()), 'f', 5) + yH + "," + QChar(0x00A0)
+	  + QString::number(qAbs(value.lon()), 'f', 5) + xH;
+}

src/format.h

@@ -0,0 +1,17 @@
+#ifndef FORMAT_H
+#define FORMAT_H
+
+#include <QString>
+#include "units.h"
+
+class Coordinates;
+
+namespace Format
+{
+	QString timeSpan(qreal time);
+	QString distance(qreal value, Units units);
+	QString elevation(qreal value, Units units);
+	QString coordinates(const Coordinates &value);
+}
+
+#endif // FORMAT_H

src/gpx.cpp

@@ -1,28 +0,0 @@
-#include <QFile>
-#include <QLineF>
-#include "ll.h"
-#include "gpx.h"
-
-
-bool GPX::loadFile(const QString &fileName)
-{
-	QFile file(fileName);
-	bool ret;
-
-	_tracks.clear();
-	_error.clear();
-	_errorLine = 0;
-
-	if (!file.open(QFile::ReadOnly | QFile::Text)) {
-		_error = qPrintable(file.errorString());
-		return false;
-	}
-
-	if (!(ret = _parser.loadFile(&file))) {
-		_error = _parser.errorString();
-		_errorLine = _parser.errorLine();
-	}
-	file.close();
-
-	return ret;
-}

src/gpx.h

@@ -1,33 +0,0 @@
-#ifndef GPX_H
-#define GPX_H
-
-#include <QVector>
-#include <QList>
-#include <QPointF>
-#include <QString>
-#include "waypoint.h"
-#include "track.h"
-#include "parser.h"
-
-class GPX
-{
-public:
-	GPX() : _parser(_tracks, _waypoints) {}
-	bool loadFile(const QString &fileName);
-	const QString &errorString() const {return _error;}
-	int errorLine() const {return _errorLine;}
-
-	int trackCount() const {return _tracks.count();}
-	Track track(int i) const {return Track(_tracks.at(i));}
-	const QList<WayPoint> &waypoints() const {return _waypoints;}
-
-private:
-	Parser _parser;
-	QString _error;
-	int _errorLine;
-
-	QList<QVector<TrackPoint> > _tracks;
-	QList<WayPoint> _waypoints;
-};
-
-#endif // GPX_H

src/gpxparser.cpp

@@ -0,0 +1,205 @@
+#include "gpxparser.h"
+
+
+qreal GPXParser::number()
+{
+	bool res;
+	qreal ret = _reader.readElementText().toDouble(&res);
+	if (!res)
+		_reader.raiseError(QString("Invalid %1").arg(
+		  _reader.name().toString()));
+
+	return ret;
+}
+
+QDateTime GPXParser::time()
+{
+	QDateTime d = QDateTime::fromString(_reader.readElementText(),
+	  Qt::ISODate);
+	if (!d.isValid())
+		_reader.raiseError(QString("Invalid %1").arg(
+		  _reader.name().toString()));
+
+	return d;
+}
+
+Coordinates GPXParser::coordinates()
+{
+	bool res;
+	qreal lon, lat;
+	const QXmlStreamAttributes &attr = _reader.attributes();
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+	lon = attr.value("lon").toString().toDouble(&res);
+#else // QT_VERSION < 5
+	lon = attr.value("lon").toDouble(&res);
+#endif // QT_VERSION < 5
+	if (!res || (lon < -180.0 || lon > 180.0)) {
+		_reader.raiseError("Invalid longitude");
+		return Coordinates();
+	}
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+	lat = attr.value("lat").toString().toDouble(&res);
+#else // QT_VERSION < 5
+	lat = attr.value("lat").toDouble(&res);
+#endif // QT_VERSION < 5
+	if (!res || (lat < -90.0 || lat > 90.0)) {
+		_reader.raiseError("Invalid latitude");
+		return Coordinates();
+	}
+
+	return Coordinates(lon, lat);
+}
+
+void GPXParser::tpExtension(Trackpoint &trackpoint)
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "hr")
+			trackpoint.setHeartRate(number());
+		else if (_reader.name() == "atemp")
+			trackpoint.setTemperature(number());
+		else
+			_reader.skipCurrentElement();
+	}
+}
+
+void GPXParser::extensions(Trackpoint &trackpoint)
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "speed")
+			trackpoint.setSpeed(number());
+		else if (_reader.name() == "hr" || _reader.name() == "heartrate")
+			trackpoint.setHeartRate(number());
+		else if (_reader.name() == "temp")
+			trackpoint.setTemperature(number());
+		else if (_reader.name() == "cadence")
+			trackpoint.setCadence(number());
+		else if (_reader.name() == "power")
+			trackpoint.setPower(number());
+		else if (_reader.name() == "TrackPointExtension")
+			tpExtension(trackpoint);
+		else
+			_reader.skipCurrentElement();
+	}
+}
+
+void GPXParser::trackpointData(Trackpoint &trackpoint)
+{
+	qreal gh = NAN;
+
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "ele")
+			trackpoint.setElevation(number());
+		else if (_reader.name() == "time")
+			trackpoint.setTimestamp(time());
+		else if (_reader.name() == "geoidheight")
+			gh = number();
+		else if (_reader.name() == "extensions")
+			extensions(trackpoint);
+		else
+			_reader.skipCurrentElement();
+	}
+
+	if (!std::isnan(gh) && !std::isnan(trackpoint.elevation()))
+		trackpoint.setElevation(trackpoint.elevation() - gh);
+}
+
+void GPXParser::waypointData(Waypoint &waypoint)
+{
+	qreal gh = NAN;
+
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "name")
+			waypoint.setName(_reader.readElementText());
+		else if (_reader.name() == "desc")
+			waypoint.setDescription(_reader.readElementText());
+		else if (_reader.name() == "ele")
+			waypoint.setElevation(number());
+		else if (_reader.name() == "geoidheight")
+			gh = number();
+		else if (_reader.name() == "time")
+			waypoint.setTimestamp(time());
+		else
+			_reader.skipCurrentElement();
+	}
+
+	if (!std::isnan(gh) && !std::isnan(waypoint.elevation()))
+		waypoint.setElevation(waypoint.elevation() - gh);
+}
+
+void GPXParser::trackpoints(TrackData &track)
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "trkpt") {
+			track.append(Trackpoint(coordinates()));
+			trackpointData(track.last());
+		} else
+			_reader.skipCurrentElement();
+	}
+}
+
+void GPXParser::routepoints(RouteData &route)
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "rtept") {
+			route.append(Waypoint(coordinates()));
+			waypointData(route.last());
+		} else if (_reader.name() == "name")
+			route.setName(_reader.readElementText());
+		else if (_reader.name() == "desc")
+			route.setDescription(_reader.readElementText());
+		else
+			_reader.skipCurrentElement();
+	}
+}
+
+void GPXParser::track(TrackData &track)
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "trkseg")
+			trackpoints(track);
+		else if (_reader.name() == "name")
+			track.setName(_reader.readElementText());
+		else if (_reader.name() == "desc")
+			track.setDescription(_reader.readElementText());
+		else
+			_reader.skipCurrentElement();
+	}
+}
+
+void GPXParser::gpx()
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "trk") {
+			_tracks.append(TrackData());
+			track(_tracks.back());
+		} else if (_reader.name() == "rte") {
+			_routes.append(RouteData());
+			routepoints(_routes.back());
+		} else if (_reader.name() == "wpt") {
+			_waypoints.append(Waypoint(coordinates()));
+			waypointData(_waypoints.last());
+		} else
+			_reader.skipCurrentElement();
+	}
+}
+
+bool GPXParser::parse()
+{
+	if (_reader.readNextStartElement()) {
+		if (_reader.name() == "gpx")
+			gpx();
+		else
+			_reader.raiseError("Not a GPX file");
+	}
+
+	return !_reader.error();
+}
+
+bool GPXParser::loadFile(QFile *file)
+{
+	_reader.clear();
+	_reader.setDevice(file);
+
+	return parse();
+}

src/gpxparser.h

@@ -0,0 +1,36 @@
+#ifndef GPXPARSER_H
+#define GPXPARSER_H
+
+#include <QXmlStreamReader>
+#include "parser.h"
+
+
+class GPXParser : public Parser
+{
+public:
+	GPXParser(QList<TrackData> &tracks, QList<RouteData> &routes,
+	  QList<Waypoint> &waypoints) : Parser(tracks, routes, waypoints) {}
+	~GPXParser() {}
+
+	bool loadFile(QFile *file);
+	QString errorString() const {return _reader.errorString();}
+	int errorLine() const {return _reader.lineNumber();}
+
+private:
+	bool parse();
+	void gpx();
+	void track(TrackData &track);
+	void trackpoints(TrackData &track);
+	void routepoints(RouteData &route);
+	void tpExtension(Trackpoint &trackpoint);
+	void extensions(Trackpoint &trackpoint);
+	void trackpointData(Trackpoint &trackpoint);
+	void waypointData(Waypoint &waypoint);
+	qreal number();
+	QDateTime time();
+	Coordinates coordinates();
+
+	QXmlStreamReader _reader;
+};
+
+#endif // GPXPARSER_H

src/graph.cpp

@@ -0,0 +1,9 @@
+#include "graph.h"
+
+QDebug operator<<(QDebug dbg, const GraphPoint &point)
+{
+	dbg.nospace() << "GraphPoint(" << point.s() << ", " << point.t() << ", "
+	  << point.y() << ")";
+
+	return dbg.maybeSpace();
+}

src/graph.h

@@ -0,0 +1,52 @@
+#ifndef GRAPH_H
+#define GRAPH_H
+
+#include <QVector>
+#include <QDebug>
+#include <cmath>
+
+enum GraphType {Distance, Time};
+
+class GraphPoint
+{
+public:
+	GraphPoint(qreal s = NAN, qreal t = NAN, qreal y = NAN)
+	  : _s(s), _t(t), _y(y) {}
+
+	qreal s() const {return _s;}
+	qreal t() const {return _t;}
+	qreal y() const {return _y;}
+	qreal x(GraphType type) const {return (type == Distance) ? _s : _t;}
+
+	void setS(qreal s) {_s = s;}
+	void setT(qreal t) {_t = t;}
+	void setY(qreal y) {_y = y;}
+
+private:
+	qreal _s;
+	qreal _t;
+	qreal _y;
+};
+
+Q_DECLARE_TYPEINFO(GraphPoint, Q_PRIMITIVE_TYPE);
+QDebug operator<<(QDebug dbg, const GraphPoint &point);
+
+
+class Graph : public QVector<GraphPoint>
+{
+public:
+	Graph() : QVector<GraphPoint>() {_time = true;}
+	void append(const GraphPoint &p)
+	{
+		if (std::isnan(p.t()))
+			_time = false;
+		QVector<GraphPoint>::append(p);
+	}
+
+	bool hasTime() const {return _time;}
+
+private:
+	bool _time;
+};
+
+#endif // GRAPH_H

src/graphitem.cpp

@@ -0,0 +1,193 @@
+#include <QPainter>
+#include "graphitem.h"
+
+
+GraphItem::GraphItem(const Graph &graph, QGraphicsItem *parent)
+  : QGraphicsObject(parent)
+{
+	_id = 0;
+	_width = 1;
+
+	_pen = QPen(Qt::black, _width);
+
+	_type = Distance;
+	_graph = graph;
+	_sx = 1.0; _sy = 1.0;
+
+	setZValue(1.0);
+
+	updatePath();
+	updateBounds();
+}
+
+void GraphItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+  QWidget *widget)
+{
+	Q_UNUSED(option);
+	Q_UNUSED(widget);
+
+	painter->setPen(_pen);
+	painter->drawPath(_path);
+
+/*
+	QPen p = QPen(QBrush(Qt::red), 0);
+	painter->setPen(p);
+	painter->drawRect(boundingRect());
+*/
+}
+
+void GraphItem::setGraphType(GraphType type)
+{
+	prepareGeometryChange();
+
+	_type = type;
+	updatePath();
+	updateBounds();
+}
+
+void GraphItem::setColor(const QColor &color)
+{
+	_pen.setColor(color);
+	update();
+}
+
+void GraphItem::setWidth(int width)
+{
+	prepareGeometryChange();
+
+	_width = width;
+	_pen.setWidth(width);
+}
+
+qreal GraphItem::yAtX(qreal x)
+{
+	int low = 0;
+	int high = _graph.count() - 1;
+	int mid = 0;
+
+	Q_ASSERT(high > low);
+	Q_ASSERT(x >= _graph.at(low).x(_type) && x <= _graph.at(high).x(_type));
+
+	while (low <= high) {
+		mid = low + ((high - low) / 2);
+		const GraphPoint &p = _graph.at(mid);
+		if (p.x(_type) > x)
+			high = mid - 1;
+		else if (p.x(_type) < x)
+			low = mid + 1;
+		else
+			return -p.y();
+	}
+
+	QLineF l;
+	if (_graph.at(mid).x(_type) < x)
+		l = QLineF(_graph.at(mid).x(_type), _graph.at(mid).y(),
+		  _graph.at(mid+1).x(_type), _graph.at(mid+1).y());
+	else
+		l = QLineF(_graph.at(mid-1).x(_type), _graph.at(mid-1).y(),
+		  _graph.at(mid).x(_type), _graph.at(mid).y());
+
+	return -l.pointAt((x - l.p1().x()) / (l.p2().x() - l.p1().x())).y();
+}
+
+qreal GraphItem::distanceAtTime(qreal time)
+{
+	int low = 0;
+	int high = _graph.count() - 1;
+	int mid = 0;
+
+	Q_ASSERT(high > low);
+	Q_ASSERT(time >= _graph.at(low).t() && time <= _graph.at(high).t());
+
+	while (low <= high) {
+		mid = low + ((high - low) / 2);
+		const GraphPoint &p = _graph.at(mid);
+		if (p.t() > time)
+			high = mid - 1;
+		else if (p.t() < time)
+			low = mid + 1;
+		else
+			return _graph.at(mid).s();
+	}
+
+	QLineF l;
+	if (_graph.at(mid).t() < time)
+		l = QLineF(_graph.at(mid).t(), _graph.at(mid).s(), _graph.at(mid+1).t(),
+		  _graph.at(mid+1).s());
+	else
+		l = QLineF(_graph.at(mid-1).t(), _graph.at(mid-1).s(),
+		  _graph.at(mid).t(), _graph.at(mid).s());
+
+	return l.pointAt((time - l.p1().x()) / (l.p2().x() - l.p1().x())).y();
+}
+
+void GraphItem::emitSliderPositionChanged(qreal pos)
+{
+	if (_type == Time) {
+		if (_graph.hasTime()) {
+			if (pos >= _graph.first().t() && pos <= _graph.last().t())
+				emit sliderPositionChanged(distanceAtTime(pos));
+			else
+				emit sliderPositionChanged(NAN);
+		} else
+			emit sliderPositionChanged(NAN);
+	} else
+		emit sliderPositionChanged(pos);
+}
+
+void GraphItem::selected(bool selected)
+{
+	if (selected) {
+		_pen.setWidth(_width + 1);
+		setZValue(zValue() + 1.0);
+	} else {
+		_pen.setWidth(_width);
+		setZValue(zValue() - 1.0);
+	}
+
+	update();
+}
+
+void GraphItem::setScale(qreal sx, qreal sy)
+{
+	if (_sx == sx && _sy == sy)
+		return;
+
+	prepareGeometryChange();
+
+	_sx = sx; _sy = sy;
+	updatePath();
+}
+
+void GraphItem::updatePath()
+{
+	_path = QPainterPath();
+
+	if (_type == Time && !_graph.hasTime())
+		return;
+
+	_path.moveTo(_graph.first().x(_type) * _sx, -_graph.first().y() * _sy);
+	for (int i = 1; i < _graph.size(); i++)
+		_path.lineTo(_graph.at(i).x(_type) * _sx, -_graph.at(i).y() * _sy);
+}
+
+void GraphItem::updateBounds()
+{
+	if (_type == Time && !_graph.hasTime()) {
+		_bounds = QRectF();
+		return;
+	}
+
+	qreal bottom, top, left, right;
+
+	QPointF p = QPointF(_graph.first().x(_type), -_graph.first().y());
+	bottom = p.y(); top = p.y(); left = p.x(); right = p.x();
+
+	for (int i = 1; i < _graph.size(); i++) {
+		p = QPointF(_graph.at(i).x(_type), -_graph.at(i).y());
+		bottom = qMax(bottom, p.y()); top = qMin(top, p.y());
+		right = qMax(right, p.x()); left = qMin(left, p.x());
+	}
+
+	_bounds = QRectF(QPointF(left, top), QPointF(right, bottom));
+}

src/graphitem.h

@@ -0,0 +1,55 @@
+#ifndef GRAPHITEM_H
+#define GRAPHITEM_H
+
+#include <QGraphicsObject>
+#include <QPen>
+#include "graph.h"
+
+class GraphItem : public QGraphicsObject
+{
+	Q_OBJECT
+
+public:
+	GraphItem(const Graph &graph, QGraphicsItem *parent = 0);
+
+	QRectF boundingRect() const
+	  {return _path.boundingRect();}
+	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+	  QWidget *widget);
+
+	const QRectF &bounds() const {return _bounds;}
+	void setScale(qreal sx, qreal sy);
+
+	void setGraphType(GraphType type);
+	int id() const {return _id;}
+	void setId(int id) {_id = id;}
+	void setColor(const QColor &color);
+	void setWidth(int width);
+
+	qreal yAtX(qreal x);
+	qreal distanceAtTime(qreal time);
+
+signals:
+	void sliderPositionChanged(qreal);
+
+public slots:
+	void emitSliderPositionChanged(qreal);
+	void selected(bool selected);
+
+private:
+	void updatePath();
+	void updateBounds();
+
+	int _id;
+	QPen _pen;
+	int _width;
+
+	Graph _graph;
+	GraphType _type;
+
+	QPainterPath _path;
+	QRectF _bounds;
+	qreal _sx, _sy;
+};
+
+#endif // GRAPHITEM_H

src/graphtab.h

@@ -0,0 +1,29 @@
+#ifndef GRAPHTAB_H
+#define GRAPHTAB_H
+
+#include <QList>
+#include "graphview.h"
+#include "units.h"
+#include "timetype.h"
+
+class Data;
+class PathItem;
+
+class GraphTab : public GraphView
+{
+	Q_OBJECT
+
+public:
+	GraphTab(QWidget *parent = 0) : GraphView(parent)
+	  {setFrameShape(QFrame::NoFrame);}
+
+	virtual QString label() const = 0;
+	virtual void loadData(const Data &data, const QList<PathItem *> &paths) = 0;
+	virtual void clear() {}
+	virtual void setUnits(enum Units units) {Q_UNUSED(units)}
+	virtual void setTimeType(enum TimeType type) {Q_UNUSED(type)}
+	virtual void showTracks(bool show) {Q_UNUSED(show)}
+	virtual void showRoutes(bool show) {Q_UNUSED(show)}
+};
+
+#endif // GRAPHTAB_H

src/graphview.cpp

@@ -1,58 +1,63 @@
-#include <float.h>
-#include <QGraphicsView>
-#include <QGraphicsSceneMouseEvent>
+#include <QGraphicsScene>
 #include <QEvent>
-#include <QGraphicsSimpleTextItem>
+#include <QMouseEvent>
+#include <QPaintEngine>
+#include <QPaintDevice>
+#include "opengl.h"
 #include "config.h"
 #include "axisitem.h"
 #include "slideritem.h"
 #include "sliderinfoitem.h"
 #include "infoitem.h"
+#include "griditem.h"
+#include "graph.h"
+#include "graphitem.h"
+#include "pathitem.h"
 #include "graphview.h"
 
 
 #define MARGIN 10.0
 
-void Scene::mousePressEvent(QGraphicsSceneMouseEvent *e)
-{
-	if (e->button() == Qt::LeftButton)
-		emit mouseClicked(e->scenePos());
-
-	QGraphicsScene::mousePressEvent(e);
-}
-
-
 GraphView::GraphView(QWidget *parent)
 	: QGraphicsView(parent)
 {
-	_scene = new Scene(this);
+	_scene = new QGraphicsScene(this);
 	setScene(_scene);
 
-	_xAxis = new AxisItem(AxisItem::X);
-	_yAxis = new AxisItem(AxisItem::Y);
+	setBackgroundBrush(QBrush(Qt::white));
+	setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
+	setRenderHint(QPainter::Antialiasing, true);
+	setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+	setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
 
+	_xAxis = new AxisItem(AxisItem::X);
+	_xAxis->setZValue(2.0);
+	_yAxis = new AxisItem(AxisItem::Y);
+	_yAxis->setZValue(2.0);
 	_slider = new SliderItem();
-	_slider->setZValue(2.0);
+	_slider->setZValue(3.0);
+	_sliderInfo = new SliderInfoItem(_slider);
+	_sliderInfo->setZValue(3.0);
+	_info = new InfoItem();
+	_grid = new GridItem();
 
 	connect(_slider, SIGNAL(positionChanged(const QPointF&)), this,
 	  SLOT(emitSliderPositionChanged(const QPointF&)));
-	connect(_scene, SIGNAL(mouseClicked(const QPointF&)), this,
-	  SLOT(newSliderPosition(const QPointF&)));
 
-	_info = new InfoItem();
-
-	_sliderInfo = new SliderInfoItem(_slider);
-	_sliderInfo->setZValue(2.0);
-
-	_xMax = -FLT_MAX;
-	_xMin = FLT_MAX;
-	_yMax = -FLT_MAX;
-	_yMin = FLT_MAX;
+	_width = 1;
 
 	_xScale = 1;
 	_yScale = 1;
+	_yOffset = 0;
 
 	_precision = 0;
+	_minYRange = 0.01;
+
+	_sliderPos = 0;
+
+	_units = Metric;
+	_graphType = Distance;
+	_xLabel = tr("Distance");
 }
 
 GraphView::~GraphView()
@@ -61,26 +66,16 @@ GraphView::~GraphView()
 		delete _xAxis;
 	if (_yAxis->scene() != _scene)
 		delete _yAxis;
-
 	if (_slider->scene() != _scene)
 		delete _slider;
-
 	if (_info->scene() != _scene)
 		delete _info;
+	if (_grid->scene() != _scene)
+		delete _grid;
 
-	delete _scene;
-}
-
-void GraphView::updateBounds(const QPointF &point)
-{
-	if (point.x() < _xMin)
-		_xMin = point.x();
-	if (point.x() > _xMax)
-		_xMax = point.x();
-	if (point.y() < _yMin)
-		_yMin = point.y();
-	if (point.y() > _yMax)
-		_yMax = point.y();
+	for (int i = 0; i < _graphs.count(); i++)
+		if (_graphs.at(i)->scene() != _scene)
+			delete _graphs[i];
 }
 
 void GraphView::createXLabel()
@@ -93,217 +88,345 @@ void GraphView::createYLabel()
 	_yAxis->setLabel(QString("%1 [%2]").arg(_yLabel).arg(_yUnits));
 }
 
-void GraphView::setXLabel(const QString &label)
-{
-	_xLabel = label;
-	createXLabel();
-}
-
 void GraphView::setYLabel(const QString &label)
 {
 	_yLabel = label;
 	createYLabel();
 }
 
-void GraphView::setXUnits(const QString &units)
-{
-	_xUnits = units;
-	createXLabel();
-}
-
 void GraphView::setYUnits(const QString &units)
 {
 	_yUnits = units;
 	createYLabel();
 }
 
-void GraphView::setXScale(qreal scale)
+void GraphView::setXUnits()
 {
-	_xScale = scale;
-}
-
-void GraphView::setYScale(qreal scale)
-{
-	_yScale = scale;
-}
-
-void GraphView::loadData(const QVector<QPointF> &data)
-{
-	QPainterPath path;
-	QGraphicsPathItem *pi;
-	QColor color = _colorShop.color();
-
-
-	if (data.size() < 2)
-		return;
-
-	updateBounds(data.at(0));
-	path.moveTo(data.at(0).x(), -data.at(0).y());
-	for (int i = 1; i < data.size(); i++) {
-		path.lineTo(data.at(i).x(), -data.at(i).y());
-		updateBounds(data.at(i));
+	if (_graphType == Distance) {
+		if (_units == Metric) {
+			if (bounds().width() < KMINM) {
+				_xUnits = tr("m");
+				_xScale = 1;
+			} else {
+				_xUnits = tr("km");
+				_xScale = M2KM;
+			}
+		} else {
+			if (bounds().width() < MIINM) {
+				_xUnits = tr("ft");
+				_xScale = M2FT;
+			} else {
+				_xUnits = tr("mi");
+				_xScale = M2MI;
+			}
+		}
+	} else {
+		    if (bounds().width() < MININS) {
+				_xUnits = tr("s");
+				_xScale = 1;
+			} else if (bounds().width() < HINS) {
+				_xUnits = tr("min");
+				_xScale = MIN2S;
+			} else {
+				_xUnits = tr("h");
+				_xScale = H2S;
+			}
 	}
 
-	pi = new QGraphicsPathItem(path);
-	QBrush brush(color, Qt::SolidPattern);
-	QPen pen(brush, 0);
-	pi->setPen(pen);
-	_scene->addItem(pi);
-	_graphs.append(pi);
+	createXLabel();
+}
 
-	if (_graphs.size() > 1)
-		_sliderInfo->hide();
+void GraphView::setUnits(Units units)
+{
+	_units = units;
+	setXUnits();
+}
+
+void GraphView::setGraphType(GraphType type)
+{
+	_graphType = type;
+	_bounds = QRectF();
+
+	for (int i = 0; i < _graphs.count(); i++) {
+		_graphs.at(i)->setGraphType(type);
+		if (_graphs.at(i)->scene() == _scene)
+			_bounds |= _graphs.at(i)->bounds();
+	}
+
+	if (type == Distance)
+		_xLabel = tr("Distance");
+	else
+		_xLabel = tr("Time");
+	setXUnits();
 
 	redraw();
 }
 
-void GraphView::redraw()
+void GraphView::showGrid(bool show)
 {
-	if (!_graphs.isEmpty())
-		resize(viewport()->size() - QSizeF(MARGIN, MARGIN));
+	_grid->setVisible(show);
 }
 
-void GraphView::resize(const QSizeF &size)
+void GraphView::loadGraph(const Graph &graph, PathItem *path, int id)
+{
+	if (graph.size() < 2)
+		return;
+
+	GraphItem *gi = new GraphItem(graph);
+	gi->setGraphType(_graphType);
+	gi->setId(id);
+	gi->setColor(_palette.nextColor());
+	gi->setWidth(_width);
+
+	connect(this, SIGNAL(sliderPositionChanged(qreal)), gi,
+	  SLOT(emitSliderPositionChanged(qreal)));
+	connect(gi, SIGNAL(sliderPositionChanged(qreal)), path,
+	  SLOT(moveMarker(qreal)));
+	connect(path, SIGNAL(selected(bool)), gi, SLOT(selected(bool)));
+
+	_graphs.append(gi);
+
+	if (!_hide.contains(id)) {
+		_visible.append(gi);
+		_scene->addItem(gi);
+		_bounds |= gi->bounds();
+		setXUnits();
+	}
+}
+
+void GraphView::removeItem(QGraphicsItem *item)
+{
+	if (item->scene() == _scene)
+		_scene->removeItem(item);
+}
+
+void GraphView::addItem(QGraphicsItem *item)
+{
+	if (item->scene() != _scene)
+		_scene->addItem(item);
+}
+
+void GraphView::showGraph(bool show, int id)
+{
+	if (show)
+		_hide.remove(id);
+	else
+		_hide.insert(id);
+
+	_visible.clear();
+	_bounds = QRectF();
+	for (int i = 0; i < _graphs.count(); i++) {
+		GraphItem* gi = _graphs.at(i);
+		if (_hide.contains(gi->id()))
+			removeItem(gi);
+		else {
+			addItem(gi);
+			_visible.append(gi);
+			_bounds |= gi->bounds();
+		}
+	}
+}
+
+void GraphView::redraw()
+{
+	redraw(viewport()->size() - QSizeF(MARGIN, MARGIN));
+}
+
+QRectF GraphView::bounds() const
+{
+	QRectF br(_bounds);
+	br.moveTopLeft(QPointF(br.left(), -br.top() - br.height()));
+	return br;
+}
+
+void GraphView::redraw(const QSizeF &size)
 {
 	QRectF r;
 	QSizeF mx, my;
-	QTransform transform;
-	qreal xs, ys;
+	RangeF rx, ry;
+	qreal sx, sy;
 
 
-	if (_xAxis->scene() == _scene)
-		_scene->removeItem(_xAxis);
-	if (_yAxis->scene() == _scene)
-		_scene->removeItem(_yAxis);
-	if (_slider->scene() == _scene)
-		_scene->removeItem(_slider);
-	if (_info->scene() == _scene)
-		_scene->removeItem(_info);
+	if (_visible.isEmpty() || _bounds.isNull()) {
+		removeItem(_xAxis);
+		removeItem(_yAxis);
+		removeItem(_slider);
+		removeItem(_info);
+		removeItem(_grid);
+		_scene->setSceneRect(QRectF());
+		return;
+	}
 
-	for (int i = 0; i < _graphs.size(); i++)
-		_graphs.at(i)->resetTransform();
+	addItem(_xAxis);
+	addItem(_yAxis);
+	addItem(_slider);
+	addItem(_info);
+	addItem(_grid);
 
-	_xAxis->setRange(QPointF(_xMin * _xScale, _xMax * _xScale));
-	_yAxis->setRange(QPointF(_yMin * _yScale, _yMax * _yScale));
+	rx = RangeF(bounds().left() * _xScale, bounds().right() * _xScale);
+	ry = RangeF(bounds().top() * _yScale + _yOffset, bounds().bottom() * _yScale
+	  + _yOffset);
+	if (ry.size() < _minYRange)
+		ry.resize(_minYRange);
+
+	_xAxis->setRange(rx);
+	_yAxis->setRange(ry);
 	mx = _xAxis->margin();
 	my = _yAxis->margin();
-	r = _scene->itemsBoundingRect();
-	xs = (size.width() - (my.width() + mx.width())) / r.width();
-	ys = (size.height() - (mx.height() + my.height())
+
+	r = _bounds;
+	if (r.height() < _minYRange)
+		r.adjust(0, -(_minYRange/2 - r.height()/2), 0,
+		  _minYRange/2 - r.height()/2);
+
+	sx = (size.width() - (my.width() + mx.width())) / r.width();
+	sy = (size.height() - (mx.height() + my.height())
 	  - _info->boundingRect().height()) / r.height();
-	transform.scale(xs, ys);
 
-	for (int i = 0; i < _graphs.size(); i++)
-		_graphs.at(i)->setTransform(transform);
+	for (int i = 0; i < _visible.size(); i++)
+		_visible.at(i)->setScale(sx, sy);
+
+	QPointF p(r.left() * sx, r.top() * sy);
+	QSizeF s(r.width() * sx, r.height() * sy);
+	r = QRectF(p, s);
+	if (r.height() < _minYRange * sy)
+		r.adjust(0, -(_minYRange/2 * sy - r.height()/2), 0,
+		  (_minYRange/2) * sy - r.height()/2);
 
-	r = _scene->itemsBoundingRect();
 	_xAxis->setSize(r.width());
 	_yAxis->setSize(r.height());
 	_xAxis->setPos(r.bottomLeft());
 	_yAxis->setPos(r.bottomLeft());
-	_scene->addItem(_xAxis);
-	_scene->addItem(_yAxis);
 
-	qreal sp = (_slider->pos().x() == _slider->area().left())
-		? 0 : (_slider->pos().x() - _slider->area().left())
-		  / _slider->area().width();
+	_grid->setSize(r.size());
+	_grid->setTicks(_xAxis->ticks(), _yAxis->ticks());
+	_grid->setPos(r.bottomLeft());
+
 	_slider->setArea(r);
-	_slider->setPos(QPointF(sp * r.width(), r.bottom()));
-	_scene->addItem(_slider);
+	updateSliderPosition();
 
-	const QPainterPath &path = _graphs.at(0)->path();
-	QPointF p = path.pointAtPercent(sp);
-	_sliderInfo->setText(QString::number(-p.y() * _yScale, 'f', _precision));
-
-	r = _scene->itemsBoundingRect();
+	r |= _xAxis->sceneBoundingRect();
+	r |= _yAxis->sceneBoundingRect();
 	_info->setPos(r.topLeft() + QPointF(r.width()/2
 	  - _info->boundingRect().width()/2, -_info->boundingRect().height()));
-	_scene->addItem(_info);
 
 	_scene->setSceneRect(_scene->itemsBoundingRect());
 }
 
 void GraphView::resizeEvent(QResizeEvent *)
 {
-	if (!_graphs.empty())
-		redraw();
+	redraw();
+}
+
+void GraphView::mousePressEvent(QMouseEvent *e)
+{
+	if (e->button() == Qt::LeftButton)
+		newSliderPosition(mapToScene(e->pos()));
+
+	QGraphicsView::mousePressEvent(e);
 }
 
 void GraphView::plot(QPainter *painter, const QRectF &target)
 {
-	qreal ratio = target.width() / target.height();
-	QSizeF orig = _scene->sceneRect().size();
-	QSizeF canvas = QSizeF(orig.height() * ratio, orig.height());
+	qreal ratio = painter->paintEngine()->paintDevice()->logicalDpiX()
+	  / SCREEN_DPI;
+	QSizeF canvas = QSizeF(target.width() / ratio, target.height() / ratio);
 
-	resize(canvas);
-	_slider->hide();
-	_info->hide();
-	_scene->render(painter, target, QRectF());
+	setUpdatesEnabled(false);
+	redraw(canvas);
+	if (_slider->pos().x() == _slider->area().left())
+		_slider->hide();
+	_scene->render(painter, target);
 	_slider->show();
-	_info->show();
-	resize(orig);
+	redraw();
+	setUpdatesEnabled(true);
 }
 
 void GraphView::clear()
 {
-	if (_xAxis->scene() == _scene)
-		_scene->removeItem(_xAxis);
-	if (_yAxis->scene() == _scene)
-		_scene->removeItem(_yAxis);
-
-	if (_slider->scene() == _scene)
-		_scene->removeItem(_slider);
-
-	if (_info->scene() == _scene)
-		_scene->removeItem(_info);
-	_sliderInfo->show();
-
 	_slider->clear();
 	_info->clear();
-	_scene->clear();
-	_graphs.clear();
-	_colorShop.reset();
 
-	_xMax = -FLT_MAX;
-	_xMin = FLT_MAX;
-	_yMax = -FLT_MAX;
-	_yMin = FLT_MAX;
+	for (int i = 0; i < _graphs.count(); i++)
+		delete _graphs[i];
+
+	_graphs.clear();
+	_visible.clear();
+	_palette.reset();
+
+	_bounds = QRectF();
+	_sliderPos = 0;
 
 	_scene->setSceneRect(0, 0, 0, 0);
 }
 
-void GraphView::emitSliderPositionChanged(const QPointF &pos)
+void GraphView::updateSliderPosition()
 {
-	if (_graphs.isEmpty())
+	if (bounds().width() <= 0)
 		return;
 
-	qreal val = pos.x() / _slider->area().width();
-	emit sliderPositionChanged(val);
+	if (_sliderPos <= bounds().right() && _sliderPos >= bounds().left()) {
+		_slider->setPos((_sliderPos / bounds().width())
+		  * _slider->area().width(), _slider->area().bottom());
+		_slider->setVisible(!_visible.isEmpty());
+	} else {
+		_slider->setPos(_slider->area().left(), _slider->area().bottom());
+		_slider->setVisible(false);
+	}
 
-	const QPainterPath &path = _graphs.at(0)->path();
-	QPointF p = path.pointAtPercent(val);
-	qreal r = (p.y() - path.boundingRect().bottom())
-	  / path.boundingRect().height();
-	_sliderInfo->setPos(QPointF(0, _slider->boundingRect().height() * r));
-	_sliderInfo->setText(QString::number(-p.y() * _yScale, 'f', _precision));
+	updateSliderInfo();
 }
 
-qreal GraphView::sliderPosition() const
+void GraphView::updateSliderInfo()
 {
-	return _slider->pos().x() / _slider->area().width();
+	_sliderInfo->setVisible(_visible.count() == 1);
+	if (!_sliderInfo->isVisible())
+		return;
+
+	QRectF br(_visible.first()->bounds());
+	if (br.height() < _minYRange)
+		br.adjust(0, -(_minYRange/2 - br.height()/2), 0,
+		  _minYRange/2 - br.height()/2);
+
+	qreal y = _visible.first()->yAtX(_sliderPos);
+	qreal r = (y - br.bottom()) / br.height();
+
+	qreal pos = (_sliderPos / bounds().width()) * _slider->area().width();
+	SliderInfoItem::Side s = (pos + _sliderInfo->boundingRect().width()
+	  > _slider->area().right()) ? SliderInfoItem::Left : SliderInfoItem::Right;
+
+	_sliderInfo->setSide(s);
+	_sliderInfo->setPos(QPointF(0, _slider->boundingRect().height() * r));
+	_sliderInfo->setText(QString::number(-y * _yScale + _yOffset, 'f',
+	  _precision));
+}
+
+void GraphView::emitSliderPositionChanged(const QPointF &pos)
+{
+	if (_slider->area().width() <= 0)
+		return;
+
+	_sliderPos = (pos.x() / _slider->area().width()) * bounds().width();
+	_sliderPos = qMax(_sliderPos, bounds().left());
+	_sliderPos = qMin(_sliderPos, bounds().right());
+	updateSliderPosition();
+
+	emit sliderPositionChanged(_sliderPos);
 }
 
 void GraphView::setSliderPosition(qreal pos)
 {
-	_slider->setPos(pos * _slider->area().width(), 0);
+	if (_visible.isEmpty())
+		return;
+
+	_sliderPos = pos;
+	updateSliderPosition();
 }
 
 void GraphView::newSliderPosition(const QPointF &pos)
 {
-	if (_slider->area().contains(pos)) {
+	if (_slider->area().contains(pos))
 		_slider->setPos(pos);
-		emitSliderPositionChanged(pos);
-	}
 }
 
 void GraphView::addInfo(const QString &key, const QString &value)
@@ -315,3 +438,28 @@ void GraphView::clearInfo()
 {
 	_info->clear();
 }
+
+void GraphView::setPalette(const Palette &palette)
+{
+	_palette = palette;
+	_palette.reset();
+
+	for (int i = 0; i < _graphs.count(); i++)
+		_graphs.at(i)->setColor(_palette.nextColor());
+}
+
+void GraphView::setGraphWidth(int width)
+{
+	_width = width;
+
+	for (int i = 0; i < _graphs.count(); i++)
+		_graphs.at(i)->setWidth(width);
+}
+
+void GraphView::useOpenGL(bool use)
+{
+	if (use)
+		setViewport(new OPENGL_WIDGET);
+	else
+		setViewport(new QWidget);
+}

src/graphview.h

@@ -2,29 +2,20 @@
 #define GRAPHVIEW_H
 
 #include <QGraphicsView>
-#include <QGraphicsScene>
-#include <QVector>
 #include <QList>
-#include <QPointF>
-#include "colorshop.h"
+#include <QSet>
+#include "palette.h"
+#include "units.h"
+#include "graph.h"
 
 
 class AxisItem;
 class SliderItem;
 class SliderInfoItem;
 class InfoItem;
-
-class Scene : public QGraphicsScene
-{
-	Q_OBJECT
-
-public:
-	Scene(QObject *parent = 0) : QGraphicsScene(parent) {}
-	void mousePressEvent(QGraphicsSceneMouseEvent *e);
-
-signals:
-	void mouseClicked(const QPointF &pos);
-};
+class GraphItem;
+class PathItem;
+class GridItem;
 
 class GraphView : public QGraphicsView
 {
@@ -34,57 +25,89 @@ public:
 	GraphView(QWidget *parent = 0);
 	~GraphView();
 
-	void loadData(const QVector<QPointF> &data);
-	void setXLabel(const QString &label);
-	void setYLabel(const QString &label);
-	void setXUnits(const QString &units);
-	void setYUnits(const QString &units);
-	void setXScale(qreal scale);
-	void setYScale(qreal scale);
-	void setPrecision(int p) {_precision = p;}
-
+	void loadGraph(const Graph &graph, PathItem *path, int id = 0);
+	int count() const {return _graphs.count();}
 	void redraw();
-
-	void plot(QPainter *painter, const QRectF &target);
 	void clear();
 
-	qreal sliderPosition() const;
+	void showGraph(bool show, int id = 0);
+	void setGraphType(GraphType type);
+	void setUnits(Units units);
+	void showGrid(bool show);
+
+	void setPalette(const Palette &palette);
+	void setGraphWidth(int width);
+
+	const QString &yLabel() const {return _yLabel;}
+	const QString &yUnits() const {return _yUnits;}
+	qreal yScale() const {return _yScale;}
+	qreal yOffset() const {return _yOffset;}
+	void setYLabel(const QString &label);
+	void setYUnits(const QString &units);
+	void setYScale(qreal scale) {_yScale = scale;}
+	void setYOffset(qreal offset) {_yOffset = offset;}
+
+	void setSliderPrecision(int precision) {_precision = precision;}
+	void setMinYRange(qreal range) {_minYRange = range;}
+
+	qreal sliderPosition() const {return _sliderPos;}
 	void setSliderPosition(qreal pos);
 
-	void addInfo(const QString &key, const QString &value);
-	void clearInfo();
+	void plot(QPainter *painter, const QRectF &target);
+
+	void useOpenGL(bool use);
 
 signals:
 	void sliderPositionChanged(qreal);
 
 protected:
-	void resizeEvent(QResizeEvent *);
-
-	qreal _xScale, _yScale;
-	QString _xUnits, _yUnits;
-	QString _xLabel, _yLabel;
-	int _precision;
+	QRectF bounds() const;
+	void redraw(const QSizeF &size);
+	void addInfo(const QString &key, const QString &value);
+	void clearInfo();
+	void skipColor() {_palette.nextColor();}
 
 private slots:
 	void emitSliderPositionChanged(const QPointF &pos);
 	void newSliderPosition(const QPointF &pos);
 
 private:
+	void setXUnits();
 	void createXLabel();
 	void createYLabel();
-	void updateBounds(const QPointF &point);
-	void resize(const QSizeF &size);
+	void updateSliderPosition();
+	void updateSliderInfo();
+	void removeItem(QGraphicsItem *item);
+	void addItem(QGraphicsItem *item);
 
-	Scene *_scene;
+	void resizeEvent(QResizeEvent *);
+	void mousePressEvent(QMouseEvent *);
+
+	qreal _xScale, _yScale;
+	qreal _yOffset;
+	QString _xUnits, _yUnits;
+	QString _xLabel, _yLabel;
+	int _precision;
+	qreal _minYRange;
+	qreal _sliderPos;
+
+	QGraphicsScene *_scene;
 
 	AxisItem *_xAxis, *_yAxis;
 	SliderItem *_slider;
 	SliderInfoItem *_sliderInfo;
 	InfoItem *_info;
+	GridItem *_grid;
 
-	QList<QGraphicsPathItem*> _graphs;
-	qreal _xMin, _xMax, _yMin, _yMax;
-	ColorShop _colorShop;
+	QList<GraphItem*> _graphs;
+	QList<GraphItem*> _visible;
+	QSet<int> _hide;
+	QRectF _bounds;
+	Palette _palette;
+	int _width;
+
+	Units _units;
+	GraphType _graphType;
 };
 
 #endif // GRAPHVIEW_H

src/griditem.cpp

@@ -0,0 +1,50 @@
+#include <QPainter>
+#include "griditem.h"
+
+
+#define GRID_WIDTH 0
+
+GridItem::GridItem(QGraphicsItem *parent) : QGraphicsItem(parent)
+{
+#ifndef Q_OS_MAC
+	setCacheMode(QGraphicsItem::DeviceCoordinateCache);
+#endif // Q_OS_MAC
+}
+
+void GridItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+  QWidget *widget)
+{
+	Q_UNUSED(option);
+	Q_UNUSED(widget);
+	QBrush brush(Qt::gray);
+	QPen pen = QPen(brush, GRID_WIDTH, Qt::DotLine);
+
+
+	painter->setRenderHint(QPainter::Antialiasing, false);
+	painter->setPen(pen);
+
+	for (int i = 0; i < _xTicks.size(); i++)
+		painter->drawLine(_xTicks.at(i), 0, _xTicks.at(i),
+		  -_boundingRect.height());
+	for (int i = 0; i < _yTicks.size(); i++)
+		painter->drawLine(0, -_yTicks.at(i), boundingRect().width(),
+		  -_yTicks.at(i));
+
+/*
+	painter->setPen(Qt::red);
+	painter->drawRect(boundingRect());
+*/
+}
+
+void GridItem::setTicks(const QList<qreal> &x, const QList<qreal> &y)
+{
+	_xTicks = x; _yTicks = y;
+	update();
+}
+
+void GridItem::setSize(const QSizeF &size)
+{
+	prepareGeometryChange();
+
+	_boundingRect = QRectF(QPointF(0, -size.height()), size);
+}

src/griditem.h

@@ -0,0 +1,23 @@
+#ifndef GRIDITEM_H
+#define GRIDITEM_H
+
+#include <QGraphicsItem>
+
+class GridItem : public QGraphicsItem
+{
+public:
+	GridItem(QGraphicsItem *parent = 0);
+
+	QRectF boundingRect() const {return _boundingRect;}
+	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+	  QWidget *widget);
+
+	void setTicks(const QList<qreal> &x, const QList<qreal> &y);
+	void setSize(const QSizeF &size);
+
+private:
+	QRectF _boundingRect;
+	QList<qreal> _xTicks, _yTicks;
+};
+
+#endif // GRIDITEM_H