Inkscape tiling problems and solution

[Max]

There is a well-known bug in Inkscape, where when trying to fill an object with a pattern (using another object) you get artifacts.
Our bug: https://bugs.mageia.org/show_bug.cgi?id=4484
Inkscape's bug: https://bugs.launchpad.net/inkscape/+bug/165780
The fix for this bug will appear only in Inkscape 0.49, and that means Mga2 at best (0.49 still isn't stable).
So, in an effort to find a somewhat speedier fix, I am going to try to download and build a snapshot of the Inkscape code, one of the more recent developer's versions.

[doktor5000]

Probably the easiest way to do this would be to download ftp://ftp.mandrivauser.de/mirrors/Mageia/distrib/cauldron/SRPMS/core/release/inkscape-0.48.2-6.mga2.src.rpm and install all the needed dependecies via

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urpmi --buildrequires inkscape-0.48.2-6.mga2.src.rpm

You also need to install bzr package (short form for bazaar, the version control system which is used by launchpad projects)
Then get a checkout of the inkscape code via:

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bzr branch lp:inkscape

Then you should be able to compile it like so:

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cd inkscape && ./autogen.sh && ./configure --with-python --with-perl && make

If it finishes without errors, as root make install will install it to /usr/local.

[Max]

I was missing glib-gettextize, intltool and libtool, but easily installed them.
But ./configure failed because I require libpng >= 1.2 even though I have libpng 1.2.46 installed.
I tried installing libpng-devel and libpng-static-devel but it still failed.
I think this may be because I am on a 64 bit system, and the libpng packages are only available for i586. The source is available for 64 architecture, but I'm not sure I would know what to do with that (I'm not a C guy), nor whether it is necessary.

[doktor5000]

I think this may be because I am on a 64 bit system, and the libpng packages are only available for i586.

Something is wrong at your box, works fine here. Also libpng is available for both x86_64 and i586:

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$ urpmf -f -m --name png | grep devel
Core Release:lib64pnglite-devel-0.1.17-2.mga1.x86_64
Core Release:lib64png-devel-1.2.44-3.mga1.x86_64
Core Release:lib64png-static-devel-1.2.44-3.mga1.x86_64
Core Release:lib64glpng-devel-1.45-4.mga1.x86_64
Core Updates:lib64glpng-devel-1.45-5.2.mga1.x86_64
Core Updates:lib64png-devel-1.2.46-1.mga1.x86_64
Core Updates:lib64png-static-devel-1.2.46-1.mga1.x86_64
Core 32bit Release:libpng-devel-1.2.44-3.mga1.i586
Core 32bit Release:libglpng-devel-1.45-4.mga1.i586
Core 32bit Release:libpnglite-devel-0.1.17-2.mga1.i586
Core 32bit Release:libpng-static-devel-1.2.44-3.mga1.i586
Core 32bit Updates:libglpng-devel-1.45-5.2.mga1.i586
Core 32bit Updates:libpng-devel-1.2.46-1.mga1.i586
Core 32bit Updates:libpng-static-devel-1.2.46-1.mga1.i586

Please show the output of rpm -qa | grep png and also show the configure output.

[Max]

Silly me. I was looking for libpng not lib64png.
Got passed that, found out I need libgc which is actually lib64gc (the devel package of course). And then lib64freetype6-devel and lib64cms-devel and finally this:

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configure: error: Package requirements (glib-2.0 >= 2.24  gtk+-2.0 >= 2.20  libxml-2.0 >= 2.6.11  libxslt >= 1.0.15  cairo >= 1.10  sigc++-2.0 >= 2.0.12    gthread-2.0 >= 2.0 libpng >= 1.2 gsl  glibmm-2.4 giomm-2.4  gdkmm-2.4  gtkmm-2.4 >= 2.10.0) were not met:

No package 'gtk+-2.0' found
No package 'libxslt' found
No package 'cairo' found
No package 'sigc++-2.0' found
No package 'gsl' found
No package 'glibmm-2.4' found
No package 'giomm-2.4' found
No package 'gdkmm-2.4' found
No package 'gtkmm-2.4' found

Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.

Alternatively, you may set the environment variables INKSCAPE_CFLAGS
and INKSCAPE_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.


It's late and I'm going to sleep. I'l install the necessary devel packages tomorrow.

[doktor5000]

You said that you already had the necessary buildrequires, why are so much missing?
urpmi --buildrequires would have installed them all in one go ...

[Max]

Once again I have outsmarted myself. I thought that --buildrequires installs the packages needed to run the program, not build it.
I ran urpmi --buildrequires and installed a little over 300 MB of packages.
I ran autogen and ./configure again and that worked great. But make ended with errors:

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....
....
....
VER_PREFIX="0.48+devel";\
VER_BZRREV=" r`bzr revno`"; \
if test ! -z "`bzr status -S -V .`"; then \
    VER_CUSTOM=" custom"; \
fi; \
VERSION="$VER_PREFIX$VER_BZRREV$VER_CUSTOM"; \
echo "namespace Inkscape { " \
     "char const *version_string = \"$VERSION\"; " \
     "}" > inkscape-version.new.cpp; \
if cmp -s inkscape-version.new.cpp inkscape-version.cpp; then \
     rm inkscape-version.new.cpp; \
else \
     mv inkscape-version.new.cpp inkscape-version.cpp; \
fi; \
echo $VERSION
0.48+devel r10958
  CXX    inkscape-version.o
  AR     libinkversion.a
  CXX    main.o
  CXXLD  inkscape
libtool: link: cannot find the library `/usr/lib64/libXt.la' or unhandled argument `/usr/lib64/libXt.la'
make[3]: *** [inkscape] Error 1
make[3]: Leaving directory `/home/max/Desktop/Inkscape/inkscape/src'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/home/max/Desktop/Inkscape/inkscape/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/max/Desktop/Inkscape/inkscape'
make: *** [all] Error 2
[max@localhost inkscape]$


[Max]

Installed lib64xt-devel, retried and it compiled without errors.
Installed as su, and it's running. The version reports it to be: .48+devel r10958.
However, when trying to do a pattern fill it segfaulted and crashed.
There doesn't seem to be a debug flag to run with, but I got this:

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[max@localhost inkscape]$ inkscape

** (inkscape:11479): WARNING **: Inkscape currently only supports color-interpolation-filters = sRGB
Segmentation fault
[max@localhost inkscape]$


This bug already exists in Inkscape: https://bugs.launchpad.net/inkscape/+bug/429050

[doktor5000]

FWIW, you comment there is not really useful, as there is no full backtrace, so it doesn't provide any information to the developers, as the report was already confirmed.
For reference take a look at https://wiki.mageia.org/en/Debugging_software_crashes

[Max]

I didn't have that error in 0.48.1... I guess I should have mentioned that.