[Digikam-users] Failed to load image .png in 0.9.0-rc1

[Gilles Caulier]

On Tuesday 28 November 2006 12:37, Richard Taylor wrote:
> On Tuesday 28 November 2006 09:00, Gilles Caulier wrote:
> > On Tuesday 28 November 2006 10:05, Richard Taylor wrote:
> > > On Tuesday 28 November 2006 08:34, Gilles Caulier wrote:
> > > > On Tuesday 28 November 2006 09:38, Richard Taylor wrote:
> > > > > Hi
> > > > >
> > > > > I have just rebuilt my machine and installed 0.9.0-rc1 and for some
> > > > > reason I can not view png files.
> > > > >
> > > > > When I open a png file in the "Image Editor" or in "Showfoto" I get
> > > > > the error:
> > > > >
> > > > >   Failed to load image <filename>.png
> > > > >
> > > > > On the console I see:
> > > > >
> > > > >  QFile::open: No file name specified
> > > > >  QFile::open: No file name specified
> > > > >  showfoto: WARNING: Failed to load image <filename>.png
> > > > >  showfoto: WARNING: [Digikam::DImg*
> > > > > Digikam::DImgInterface::getImg()] d->image is NULL
> > > > >
> > > > > I do get the thumbnail displayed and I get all the EXIF meta data
> > > > > displayed.
> > > > >
> > > > > Is this a qt problem? I am not sure which element of the system is
> > > > > causing this problem. Inkscape, scribus and gimp all display png
> > > > > images fine.
> > > > >
> > > > > System details:
> > > > >
> > > > >  digikam-0.9.0-rc1
> > > > >  kde-3.5.2
> > > > >  qt-4.1.4-r2
> > > > >  gcc-4.1.1
> > > > >  glibc-2.4-r3
> > > > >  2.6.17-gentoo-r8 i686
> > > > >
> > > > > Any pointers would be very much appreciated.
> > > > >
> > > > > Regards
> > > >
> > > > Hi Richard,
> > > >
> > > > Just check libpng sahred library. digikam PNG image loader use it.
> > > >
> > > > Also, you can send me in private a PNG file sample to check if all is
> > > > ok.
> > > >
> > > > Gilles
> > >
> > > Hi Gilles,
> > >
> > > Thanks for the superfast response.
> >
> > Well i remeber you that you have help me to write digiKam handbook in the
> > past (:=)))
>
> I am glad that you have a good memory :-)
>
> > > I have rebuilt and upgraded from libpng 1.2.12-r1- to 1.2.13 but still
> > > get the same error, would you expect me to have to rebuild digikam too?
> >
> > Of course. To be sure, clean up digikam before (make disclean) and
> > re-compile all (make -f Makefile.cvs; ./configure; make ...)
>
> I have rebuilt both digikam and digikamimageplugins but I am still getting
> the same error. (These build are being done by re-emerging the gentoo
> ebuild, which will start a new build from scratch). Anything else I can
> try?

no, no, no. have you recieve my mail in private ? Your PNG test image is not 
PNG file, but a JPEG file. This is why digiKam PNG image loader cannot read 
it.

Just change file extension from .png to .jpg...

Gilles