[gtk: 3/3] Merge branch 'wip/chergert/textview-caching' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit ade40a7a0c6455d47bb20749a953658139935238
Merge: 7eb5dfd294 9926e6ebde
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Jul 28 20:32:56 2019 +0000

    Merge branch 'wip/chergert/textview-caching' into 'master'
    
    textlayout: introduce caching for GtkTextLineDisplay
    
    See merge request GNOME/gtk!1025

 gtk/gtktextiter.c                    |  19 +
 gtk/gtktextiterprivate.h             |   2 +
 gtk/gtktextlayout.c                  | 468 ++++++++++++-----------
 gtk/gtktextlayoutprivate.h           |  25 +-
 gtk/gtktextlinedisplaycache.c        | 716 +++++++++++++++++++++++++++++++++++
 gtk/gtktextlinedisplaycacheprivate.h |  59 +++
 gtk/meson.build                      |   1 +
 7 files changed, 1072 insertions(+), 218 deletions(-)
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