...seen when opening an Impress presentation on GNOME/X11: > cairo-xlib-source.c:570:26: runtime error: left shift of 191 by 24 places cannot be represented in type 'int' > cairo-xlib-render-compositor.c:1852:17: runtime error: left shift of negative value -186 > cairo-xlib-render-compositor.c:1853:17: runtime error: left shift of negative value -646 > cairo-xlib-surface-shm.c:1157:43: runtime error: member access within null pointer of type 'cairo_xlib_shm_surface_t' (aka 'struct _cairo_xlib_shm_surface') > cairo-fixed-private.h:252:8: runtime error: left shift of negative value -146048 Change-Id: I93a5706c2ec3f83bc56d75fc92817668eef57fdb Reviewed-on: https://gerrit.libreoffice.org/c/core/+/105074 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
The graphics library, used for anti-aliasing. From [http://cairographics.org/]. This code is used by default only on Linux, though it is also available on Mac. There is a cairo-canvas implementation that is the main customer, and it is enabled via 'use hardware acceleration' in the general options.