"Christian Gollwitzer" <aurio...@gmx.de> wrote in message
news:lofciv$nq6$1...@dont-email.me...
For PNG image support you can load either the Img package which gives
support for a large variety of images, or the smaller tkpng package.
My first Google search for
"tkpng" "python"
gave no usable results. So I am not sure if and how can I use these Tk
extensions from Python...
And finally I want to show the picture(s) on a Tk-based Canvas on top of
each other with properly handled semi-transparency.
In our project we want to use as little as possible additonal packages
because we expect that the end-users will use several platforms (Windows,
Mac, Linux) and installing any extra Python-related package on non-Windows
platform seems to be a nightmare, at least that is the result of the past
three months of experience.
The need to go to the command line level for such a basic thing like
installing or uninstalling something seems to me like going 20 to 30 years
back in history. We cannot expect that our end-users (especially the
Mac-based ones) will have that expertise even if they have enough expertise
to program in Python when it is finally correctly installed on their
computers.
For angled text it's right, I don't know, there used to be some hacks
before, it's probably not possible in a clean way.
I was actually negatively surprised by the lack of this very basic feature
(especially in a vector-graphics-based environment) when I started with
Python+Tk a few months ago, so I was very glad to see it in 8.6 and I
immediately started using it on Windows. But then I receved complaints from
a Mac user that it just does not work...
Peter
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