fftw?
      ( sci-libs/fftw:3.0=[threads] )

gimp?
      ( >=media-gfx/gimp-2.8.0 dev-qt/qtcore:5= dev-qt/qtgui:5= dev-qt/qtnetwork:5= dev-qt/qtwidgets:5= )

gimp3?
      ( ~media-gfx/gimp-2.99.18 dev-qt/qtcore:5= dev-qt/qtgui:5= dev-qt/qtnetwork:5= dev-qt/qtwidgets:5= )

graphicsmagick?
      ( media-gfx/graphicsmagick:0= )

gui?
      ( dev-qt/qtcore:5= dev-qt/qtgui:5= dev-qt/qtnetwork:5= dev-qt/qtwidgets:5= )

jpeg?
      ( media-libs/libjpeg-turbo:0 )

~media-libs/cimg-3.3.5
net-misc/curl

opencv?
      ( >=media-libs/opencv-2.3.1a-r1:0= )

openexr?
      ( dev-libs/imath:= media-libs/openexr:0= )

png?
      ( media-libs/libpng:0= )

sys-libs/zlib:0=

tiff?
      ( media-libs/tiff:0 )

X?
      ( x11-libs/libX11 x11-libs/libXext )

ffmpeg?
      ( media-video/ffmpeg:0= )