Public bug reported:
The need for resolution (more precisely, density) independence is
growing everyday. High-DPI devices are available (high resolution
notebooks, etc) since a few years ago and GTK is lagging. GTK3 and Unico
seemed an improvement but it doesn't seem to materialize (we keep
scaling only the text parts).
One of the thing we need is scalable themes. In Oneiric, version
0.1.8.27.6 used CSS for most components (notable exception: the slider
handle). Attached is a vector screenshot* (it's Marlin properties
dialog, looked simple enough to demonstrate this) showing how well it
could scale to different DPIs. And then two more showing a similar
dialog in 0.1.91-0ubuntu1 (one in PDF, in which the transparent PNGs
make cairo generate a less-than-optimal PDF, and a second one in SVG
which has a different set of glitches).
Quantal Light themes (which I installed on my Precise desktop) swaps
them out for PNGs in order to support a specific visual style. I assume
that style is hard or impossible to get just using CSS properties. This
precludes the possibility of scaling the UI to better fit some devices
or user preferences.
There are a lot more problems to overcome to achieve good UI scaling,
but this particular one was mostly resolved.
So can't light-themes use CSS properties or at least SVG assets?
* Joachim Breitner's gtk-vector-screenshot is an excellent utility,
useful for documentation and stuff
** Affects: light-themes (Ubuntu)
Importance: Undecided
Status: New
** Tags: ui
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https://bugs.launchpad.net/bugs/1043568
Title:
Quantal Light themes regression (usage of bitmaps)
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