dev-qt/qtbase:6[dbus,gui,network,opengl,sql,sqlite,widgets]
dev-qt/qtdeclarative:6[opengl]
dev-qt/qtsvg:6

imagemagick?
      ( !graphicsmagick?
            ( media-gfx/imagemagick:=[cxx,hdri] )
       graphicsmagick?
            ( media-gfx/graphicsmagick:=[cxx] )
       )

~media-gfx/photoqt-5.2[extensions]

geolocation?
      ( dev-qt/qtlocation:6 dev-qt/qtpositioning:6[qml] )

histogram?
      ( dev-qt/qtcharts:6[qml] )