Re: An alternative to gdk-pixbuf

On Wed, 2018-09-05 at 17:28 +0100, Emmanuele Bassi via gtk-devel-list

In the near future, I'll very likely deprecate most of GdkPixbuf's
API, except for the I/O operations; I'd also be happy to seal off
most of its internals, within the ABI stability promise, to avoid
leakage of internal state.

Related to this - I just wrote a braindump on gdk-pixbuf issues and
historical baggage.  I hope it's useful for people trying to clean up
this swamp:

Magnus - thanks for showing us Abydos.  The parts of the API that
intersect with gdk-pixbuf's look okay.  I think you may find this

I think your API could improve with some of the material there around
memory management and error reporting.  Internally, the code needs
checks in all the malloc()-like functions; some of the arithmetic
(especially in assertions) needs to avoid overflows.  I couldn't find
any tests.  The SVG plug-in needs to handle error results from librsvg.
The Magick plug-in for PNG and JPEG has no error handling; also you may
want to call cairo_surface_mark_dirty() when you are done writing
pixels to it.  The netpbm plugin does a bunch of system calls and
doesn't check for errors.

The parts of your API that deal with pagination / variants / animation
frames - I'm not sure if a gdk-pixbuf replacement would need them, but
I'm coming from the viewpoint of my braindump above.


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