On Mon, 30 May 2016 11:26:30 +0800 Paul Wise <[email protected]> wrote:
> On Mon, May 30, 2016 at 6:09 AM, Ben Finney wrote: > > Herbert Fortes (hpfn) writes: > > > >> But some .png files are like a chess board with a grey color. There is > >> nothing in it. > >> > >> Since a file to be free must have source that can be editable, is that > >> a problem ? > > > > A consensus definition of “source” in Debian is “the preferred form of > > the work for making modifications to it”. > > ... but there is no consensus within Debian that all files in the > archive must come with "source". Some folks (including me) do think > that all files (including images) should have source and others think > that only programs need source. > > > Yes, this requires human judgement, and yes it can be abused. With that > > said, I think that PNG files containing simple geometric shapes would > > pretty clearly be their own source form. > > Looking at the files in question I see what might be pre-rendered > multi-layered and vector based images. For such images usually there > is a more expressive form like SVG or XCF or similar that the images > were prepared from. If I look at the metadata in the images (see > below), it is clear that they were created using proprietary Adobe > products. Both of the products mentioned in the metadata allow > multi-layer or vector forms in images. So there may be a more > expressive form available, or the author may have just exported to PNG > and discarded the more expressive form. If we look at the upstream > git/svn repositories, there are no more expressive files available. > The only way to find out if there are more expressive forms still > existing somewhere would be to contact upstream and or the folks who > added the files to the upstream VCS repository. > > https://en.wikipedia.org/wiki/Adobe_Fireworks > > BTW: the Debian package definitely does not have the source for the > CSS files, if you look at the upstream repo you will see they use > *.scss files as the source and then generate CSS from them using sass > and minify them using gulp. bower is also involved somehow. See the > end of README.txt information about that and bower.json .bowerrc > gulpfile.js package.json for the build system for this stuff. Note > that gulp and bower are not yet packaged for Debian so smoviecat won't > be build-able from source in Debian, which is against ftp-master > policy. > > http://thesassway.com/editorial/sass-vs-scss-which-syntax-is-better > > $ dget -qx > https://mentors.debian.net/debian/pool/main/s/smoviecat/smoviecat_2.5.0+dfsg-1.dsc > $ cd smoviecat*/lib > $ sng *.png > libpng warning: iCCP: known incorrect sRGB profile > libpng warning: iCCP: known incorrect sRGB profile > $ for f in *.sng ; do egrep -H '(name|text):' $f || echo $f no match ; done > base-shadow.sng: name: "Photoshop ICC profile" > content-bg.sng: text: "17/4/11"; > content-bg.sng: text: "Adobe Fireworks CS5"; > noposter.sng: text: "07/13/10"; > noposter.sng: text: "Adobe Fireworks CS4"; > posterbg.sng: name: "Photoshop ICC profile" > posters.sng no match > Thanks for the analise and specially the 'BTW'. regards, -- Herbert Parentes Fortes Neto (hpfn)
