media-gfx/photoqt
Simple but powerful Qt-based image viewer
USE Flags
devil
Global: Enable image loading via DevIL
exif
Global: Adds support for reading EXIF headers from JPEG and TIFF images
freeimage
* This flag is undocumented *
graphicsmagick
Global: Enable media-gfx/graphicsmagick support
imagemagick
Global: Enables support for Imagemagick (image converter)
mpv
* This flag is undocumented *
pdf
Global: Adds general support for PDF (Portable Document Format), this replaces the pdflib and cpdflib flags
raw
Global: Add support for raw image formats
debug
Global: Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see http://www.gentoo.org/proj/en/qa/backtraces.xml