How to auto generate pngs from svgs with the sdk

Applications
#22

I believe that was also what @attah was suggesting. I started down that road, but it’s more appropriate for single commands than shell foo :slight_smile:

#23

Damn. So now it seems we will have to summon a magi from the depths. @martyone ?

#24

Ok, upon reading those spec files I realized that rpmbuild is probably turing complete and we can just chuck the rest :slight_smile: Are

%{SOURCE31} \

values availble in shadow builds ? EDIT. Sorry, just re-read. They are defined in the spec.

If I understand this correctly, given the declaration of the dependency on BuildRequires: sailfish-svg2png, all that’s required is to include the files (svg.path, etc in the pro) and the files section declaration and the conversions are done without the loop construct?

#25

Having read through the spec and pro, that seems to be assembling single individual commands, which are executed as additional build/make steps?

#26

I just meant as an example for making files available in the build environment.
If i sent you on a wild goose-chase for automatic icons, i’m sorry, that’s not there

#27

Those don’t seem to be available to rpmbuild, however.

The QT docs contain an example something like

mytarget.target = .mycommand
mytarget.commands = touch $$mytarget.target
mytarget.depends = mytarget2

mytarget2.commands = @echo Building $$mytarget.target
QMAKE_EXTRA_TARGETS += mytarget mytarget2

Which suggest one could assemble the command, or copy from a file. I tried that and failed :wink: But I probably made some silly error.

#28

Ok, so this sort of works

Source31:   harbour-allthenews.svg
...

%make_install
install -D -m0644 %{SOURCE31}  %{_tmppath}/

for size in 86 108 128 172
do
   mkdir -p %{buildroot}%{_datadir}/icons/hicolor/${size}x${size}/apps/
   rsvg-convert --width=$size --height=$size --output \
           %{buildroot}%{_datadir}/icons/hicolor/${size}x${size}/apps/%{name}.png \
          %{_tmppath}/harbour-allthenews.svg
done

So, now the file is copied from project root to _temppath and rsvg-convert produces output.

sb2 complains

 (WARNING)	rsvg-convert[7267/1870894912]	Path not found for FD 4, for __fxstatat64()
 (WARNING)	rsvg-convert[7270/1870927680]	Path not found for FD 4, for __fxstatat64()
 (WARNING)	rsvg-convert[7273/1870640960]	Path not found for FD 4, for __fxstatat64()
 (WARNING)	rsvg-convert[7276/1870231360]	Path not found for FD 4, for __fxstatat64()
# exit 0 (0)

But it works!

Be sure to clean and remove pngs that would otherwise get installed.

EDIT: turns out it’s a path relative to the spec, of course.

install -D -m0644 /home/mwa/src/sailfish/allthenews/rpm/harbour-allthenews.svg /var/tmp/

Just by chance I had the svg in rpm too. AND props to @nephros!