Re: Getting different sizes from pango_layout_get_pixel_extents on ubuntu 16.04 vs 17.10?

[Alexander Larsson <alexl redhat com>]

On Tue, Jan 30, 2018 at 10:59 PM, Dan Kegel <dank kegel com> wrote:
> Hi folks.
> We have a minimal test program that selects Bitstream Vera Sans,
> calls pango_layout_set_font_description, calls pango_layout_set_text
> with a test string, then calls pango_layout_get_pixel_extents.
> It gets a slightly different result depending on operating system.

The font file contains most of the layout information, but fontconfig
also reads various config snippets from /etc/fonts/conf.d/ that can
affect the rendering. For example, there are often configuration
options that affect hinting.