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Strowi
l33t
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Joined: 19 Aug 2003
Posts: 656
Location: Bonn

PostPosted: Mon Jan 25, 2010 11:59 am    Post subject: Firefox + wrong image rendering Reply with quote

hi,

since a couple of days i seem to have hit an image-rendering bug with firefox, the screenshot is available here:
http://upload.hasnoname.de/google.png

See how the logo is all edgy? Konqueror display is just fine....

Anyone having similar issues or know how to resolve this?

Code:


USE="3dnowext 3dnow ssse ssse2 ssse3 a52 amd64 mmxext sse3 sse2 ssse3
        aac acpi alsa -avahi -apm -arts berkdb \
        -bash-completion branding \
        cairo cdr cleartype -cups custom-cflags custom-cpuopts custom-optimization ccache -consolekit \
        dbus divx -djvu dv dts dvb dvd dvdr dvdread dri dvdread dar64 \
        -eds -emboss encode -esd -evo exif \
        fam fbcondecor firefox flac ffmpeg fuse \
        -gdbm gif git glitz -gnome gpm gs \
        hal \
        ithreads imagemagick -ipv6 \
        java jpeg jpeg2k \
        kde kdeprefix kdehiddenvisibility \
        logitech-mouse logrotate -loop-aes -lvm1 lzma lzo lame lm_sensors \
        mjpeg mad mmx mp3 mp4 mpeg mtp musepack mng \
        -network-cron nsplugin -nvidia -networkmanager \
        offensive ogg opengl -oss optimized-qmake \
        pdf png pthreads -pic -policykit \
        -qt4 qt3 -qt3support quicktime \
        rdesktop real realmedia resolvconf rar rss \
        samba slp ssl sdl -spell syslog usb subversion srt svg smp sqlite \
        teletext threads tiff truetype truetype-fonts type1-fonts theora \
        unicode urandom userlocales \
        v4l2 vcd vorbis -vdpau \
        wavpack win32codecs wma wmf wmp webkit \
        X xml xmp xscreensaver xvid xcomposite -xinerama xv xcb x264 xine \
        -zeroconf zsh-completion"

ACCEPT_KEYWORDS="~amd64"
ACCEPT_LICENSE="PUEL *"

CFLAGS="-O2 -march=amdfam10 -mtune=amdfam10 -pipe -fomit-frame-pointer"
CXXFLAGS="${CFLAGS}"
CHOST="x86_64-pc-linux-gnu"

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iss
Tux's lil' helper
Tux's lil' helper


Joined: 30 Oct 2006
Posts: 134
Location: Poland/Bydgoszcz

PostPosted: Tue Jan 26, 2010 9:29 am    Post subject: Reply with quote

It is side effect of zooming. From version 3.5 Fx remembers zoom for each site separately, so other pages are probably ok. Press Ctrl-0 (zero) to set zoom to 100%.
Firefox is unable to smoothly scale images on GNU/Linux systems. IIRC problem lies in cairo and cannot be easily fixed.
In View menu you can set Fx to zoom only text, so images will be always sharp.
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Strowi
l33t
l33t


Joined: 19 Aug 2003
Posts: 656
Location: Bonn

PostPosted: Tue Jan 26, 2010 9:33 am    Post subject: Reply with quote

D'Oh!

Never thought of that, because never used it. Must have hit that by mistake....
Read already somewhere that it might be a gtk related bug, but this way is much easier to fix.;)

Thx, for the hint!
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