Re: Polar drawing widget, gearwheel drawing

[David Marceau <uticdmarceau2007 yahoo ca>]

This will match up with your requirements:
https://code.google.com/p/bridgegl/
https://code.google.com/p/bridgegl/source/browse/trunk/application.cpp

If the above is too noisy/featureful, then look at the python versions
below, then look at the .cc/.cpp later.

For static 2d:
https://git.gnome.org/browse/pygtk-docs/tree/examples/drawingarea.py
https://git.gnome.org/browse/gtkmm/tree/demos/gtk-demo/example_drawingarea.cc
https://git.gnome.org/browse/pygtk/tree/examples/pango/pangocairo-simple.py

For animated 2d:
https://git.gnome.org/browse/cluttermm_tutorial/tree/examples/full_example/main.cc

For multilingual:
https://git.gnome.org/browse/pygtk/tree/examples/pango/utf8-demo.py

For printing:
https://git.gnome.org/browse/pygtk/tree/examples/pygtk-demo/demos/print_editor.py
https://git.gnome.org/browse/gtkmm-documentation/tree/examples/book/printing/simple/printformoperation.cc

On 06/20/2014 03:27 PM, John Coppens wrote:
> On Fri, 20 Jun 2014 19:54:28 +0200
> Arne Pagel <arne pagelnet de> wrote:
>
> > Point is that I don't want to spend a lot of time in this feature, so I am searching for the easiest
> > solution, especially since I never did some pure graphic programming like this, just a little bit 2D
> > plotting with get-extra and normal Widget usage.
>
> I'm sure I'll get comments on this.
>
> Graphics drawing in gtk is in some strange state. I used to employ gnome_canvas
> for this, which is relatively easy to use, but has been declared deprecated for
> quite a few years, but with no real direct alternative (geocanvas, goocanvas
> and others having been candidates). 
>
> As far as I can say, you have two alternatives:
>
> 1) if you just need a drawing, which doesn't have to scale with the
> GUI, and probably would not print very well, you can use the GD library
> to generate an image dynamically. GD is easy to use, and quite
> powerful. It's also frequently part of distros.
>
> 2) if you want better quality, look at cairo, which is native to gtk
> now, but is somewhat more difficult to use, but is vector based, and as
> such capable of much better quality. Also, you can easily generate
> image files, and even PDFs to print. Even though more complicated, the
> quality of Cairo is worth it...
>
> John
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