[gtk: 12/12] Merge branch 'matthiasc/for-master' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit e8c8be8e3751d7570db59eb836f437ac3279014a
Merge: 2712f536c2 bfc80c32ea
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Feb 6 22:35:23 2021 +0000

    Merge branch 'matthiasc/for-master' into 'master'
    
    Implement drop-shadow css filter
    
    See merge request GNOME/gtk!3163

 docs/reference/gtk/css-properties.md         |   2 +-
 gtk/gtkcssfiltervalue.c                      |  84 ++++++++++++++++-----
 gtk/gtkcssshadowvalue.c                      | 109 +++++++++++++++++++++------
 gtk/gtkcssshadowvalueprivate.h               |   8 +-
 gtk/gtkcssstylepropertyimpl.c                |   4 +-
 testsuite/css/parser/filter-invalid1.css     |   3 +
 testsuite/css/parser/filter-invalid1.errors  |   1 +
 testsuite/css/parser/filter-invalid1.ref.css |   0
 testsuite/css/parser/filter-invalid2.css     |   3 +
 testsuite/css/parser/filter-invalid2.errors  |   1 +
 testsuite/css/parser/filter-invalid2.ref.css |   0
 testsuite/css/parser/filter-invalid3.css     |   3 +
 testsuite/css/parser/filter-invalid3.errors  |   1 +
 testsuite/css/parser/filter-invalid3.ref.css |   0
 testsuite/css/parser/filter-invalid4.css     |   3 +
 testsuite/css/parser/filter-invalid4.errors  |   1 +
 testsuite/css/parser/filter-invalid4.ref.css |   0
 testsuite/css/parser/filter-invalid5.css     |   3 +
 testsuite/css/parser/filter-invalid5.errors  |   1 +
 testsuite/css/parser/filter-invalid5.ref.css |   0
 testsuite/css/parser/filter-invalid6.css     |   3 +
 testsuite/css/parser/filter-invalid6.errors  |   1 +
 testsuite/css/parser/filter-invalid6.ref.css |   0
 testsuite/css/parser/filter-invalid7.css     |   3 +
 testsuite/css/parser/filter-invalid7.errors  |   1 +
 testsuite/css/parser/filter-invalid7.ref.css |   0
 testsuite/css/parser/filter-invalid8.css     |   3 +
 testsuite/css/parser/filter-invalid8.errors  |   1 +
 testsuite/css/parser/filter-invalid8.ref.css |   0
 testsuite/css/parser/filter-invalid9.css     |   3 +
 testsuite/css/parser/filter-invalid9.errors  |   1 +
 testsuite/css/parser/filter-invalid9.ref.css |   0
 testsuite/css/parser/filter.css              |  23 ++++++
 testsuite/css/parser/filter.ref.css          |  23 ++++++
 testsuite/css/parser/meson.build             |  29 +++++++
 35 files changed, 270 insertions(+), 48 deletions(-)
---