Comment 17 for bug 1842194

On Thu, Sep 12, 2019 at 7:50 PM Seth Hillbrand <
<email address hidden>> wrote:

> @geppo61-
>
> You can assign yourself as the owner of this bug at the top under
> "Assigned To" and set the status to "In Progress" if you are working on
> it.
>
> Here is a good getting started document:
> http://kicad-pcb.org/contribute/developers/
>
> You can also join the developer's mailing list
> https://launchpad.net/~kicad-developers
>
> As the professional EDA userbase for PPC64 is extremely small, fixing
> this bug will require someone such as yourself to craft, test and submit
> a patch that fixes the coloring issue. You should feel free to ask
> questions on the mailing list about the technical details of the KiCad
> project as you begin to work on this.
>
>
I had already committed a patch for build Kicad 5.x and 6.x for ppc, so far
I know how to build a patch. ;-P

> For reference, the Graphics Abstraction Layer (GAL) is where you will
> want to look. This is in /common/gal and /include/gal in the codebase.
>
>
So GAL stuff has all the drawing primitives to build up a Cairo Canvas?

I just looked at the diff between 5.0 and 5.1 and there are huge
differences... It will be a very long night...

> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1842194
>
> Title:
> Wrong colors in eeschema objects with kicad 5.1 on PPC64
>
> Status in KiCad:
> Incomplete
>
> Bug description:
> Building from source 5.1 or downloading from ppa:js-reynaud/kicad-5.1
> when opening a schematics with eeschema the output of the object colors is
> completely reversed. It seems a bigendian/littleendian wrong or missing
> conversion. RGB to BGR. The Blue is Red, the Red is Blue and the green is
> Ok. All other colors in between are messy. Only eeschema to my knowledge.
> pcbnew seems to work ok
> Other stuff I do not tested yet.
> Jean-Samuel Reynaud knows the issue.
>
> Application: KiCad
> Version: 5.1.4, release build
> Libraries:
> wxWidgets 3.1
> libcurl/7.47.0 OpenSSL/1.0.2g zlib/1.2.11 libidn/1.32 librtmp/2.3
> Platform: Linux 4.4.0-159-powerpc64-smp ppc64, 64 bit, Big endian, wxGTK
> Build Info:
> wxWidgets: 3.1.0 (wchar_t,wx containers) GTK+ 2.24
> Boost: 1.58.0
> OpenCASCADE Community Edition: 6.8.0
> Curl: 7.47.0
> Compiler: GCC 6.3.0 with C++ ABI 1010
>
> Build settings:
> USE_WX_GRAPHICS_CONTEXT=OFF
> USE_WX_OVERLAY=OFF
> KICAD_SCRIPTING=ON
> KICAD_SCRIPTING_MODULES=ON
> KICAD_SCRIPTING_PYTHON3=OFF
> KICAD_SCRIPTING_WXPYTHON=ON
> KICAD_SCRIPTING_WXPYTHON_PHOENIX=ON
> KICAD_SCRIPTING_ACTION_MENU=ON
> BUILD_GITHUB_PLUGIN=ON
> KICAD_USE_OCE=ON
> KICAD_USE_OCC=OFF
> KICAD_SPICE=ON
>
> Version 5.0.2 build from source has no color issue.
>
> Application: kicad
> Version: (5.0.2-25-g24ab814-dirty), release build
> Libraries:
> wxWidgets 3.0.2
> libcurl/7.47.0 GnuTLS/3.4.10 zlib/1.2.11 libidn/1.32 librtmp/2.3
> Platform: Linux 4.4.0-159-powerpc64-smp ppc64, 64 bit, Big endian, wxGTK
> Build Info:
> wxWidgets: 3.0.2 (wchar_t,wx containers,compatible with 2.8) GTK+
> 2.24
> Boost: 1.58.0
> OpenCASCADE Community Edition: 6.8.0
> Curl: 7.47.0
> Compiler: GCC 6.3.0 with C++ ABI 1010
>
> Build settings:
> USE_WX_GRAPHICS_CONTEXT=OFF
> USE_WX_OVERLAY=OFF
> KICAD_SCRIPTING=ON
> KICAD_SCRIPTING_MODULES=ON
> KICAD_SCRIPTING_WXPYTHON=ON
> KICAD_SCRIPTING_ACTION_MENU=ON
> BUILD_GITHUB_PLUGIN=ON
> KICAD_USE_OCE=ON
> KICAD_USE_OCC=OFF
> KICAD_SPICE=ON
>
> wxWidget 3.0 or 3.1 is not a problem, because using the compiled
> version from PPA I have the same issue.
>
> Application: KiCad
> Version: 5.1.4-e60b266~84~ubuntu16.04.1, release build
> Libraries:
> wxWidgets 3.0.2
> libcurl/7.47.0 OpenSSL/1.0.2g zlib/1.2.11 libidn/1.32 librtmp/2.3
> Platform: Linux 4.4.0-159-powerpc64-smp ppc64, 64 bit, Big endian, wxGTK
> Build Info:
> wxWidgets: 3.0.2 (wchar_t,wx containers,compatible with 2.8) GTK+
> 2.24
> Boost: 1.58.0
> OpenCASCADE Community Edition: 6.8.0
> Curl: 7.47.0
> Compiler: GCC 5.4.0 with C++ ABI 1009
>
> Build settings:
> USE_WX_GRAPHICS_CONTEXT=OFF
> USE_WX_OVERLAY=OFF
> KICAD_SCRIPTING=ON
> KICAD_SCRIPTING_MODULES=ON
> KICAD_SCRIPTING_PYTHON3=OFF
> KICAD_SCRIPTING_WXPYTHON=ON
> KICAD_SCRIPTING_WXPYTHON_PHOENIX=OFF
> KICAD_SCRIPTING_ACTION_MENU=ON
> BUILD_GITHUB_PLUGIN=ON
> KICAD_USE_OCE=ON
> KICAD_USE_OCC=OFF
> KICAD_SPICE=ON
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/kicad/+bug/1842194/+subscriptions
>

--
Ciao e buona giornata.

"GP! In mezzo al campo stai proprio schifoso!"
Coach M.Russo