Comment # 2 on bug 1130404 from Michael Vetter

Currently the following packages need jasper:

grep -r 'libjasper-devel' */*.spec | grep -v '^jasper'  
dcraw/dcraw.spec:BuildRequires:  libjasper-devel
digikam/digikam.spec:BuildRequires:  libjasper-devel
gdal/gdal.spec:# BuildRequires:  libjasper-devel
gimp/gimp.spec:BuildRequires:  libjasper-devel
GraphicsMagick/GraphicsMagick.spec:BuildRequires:  libjasper-devel
gstreamer-plugins-bad/gstreamer-plugins-bad.spec:BuildRequires: 
libjasper-devel
gtk2/gtk2.spec:BuildRequires:  libjasper-devel
ImageMagick/ImageMagick.spec:BuildRequires:  libjasper-devel
kdelibs4/kdelibs4.spec:BuildRequires:  libjasper-devel
libdevil/libdevil.spec:BuildRequires:  libjasper-devel
libicns/libicns.spec:BuildRequires:  libjasper-devel
libqt5-qtimageformats/libqt5-qtimageformats.spec:BuildRequires: 
libjasper-devel
libqt5-qtimageformats/libqt5-qtimageformats.spec:Requires:      
libjasper-devel
libraw/libraw.spec:BuildRequires:  libjasper-devel
mtpaint/mtpaint.spec:BuildRequires:  libjasper-devel
netpbm/netpbm.spec:BuildRequires:  libjasper-devel
opencv/opencv.spec:BuildRequires:  libjasper-devel