[gtk: 4/4] Merge branch 'layout-manager-transform-demo' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit 98440142da8a665776bfed9e19cda48d99b7c7a1
Merge: eee6d28c67 acc2516b3c
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Sep 3 14:49:31 2020 +0000

    Merge branch 'layout-manager-transform-demo' into 'master'
    
    Layout manager transform demo
    
    See merge request GNOME/gtk!2519

 demos/gtk-demo/demo.gresource.xml             |  11 +
 demos/gtk-demo/demo2layout.c                  | 204 +++++++++++++
 demos/gtk-demo/demo2layout.h                  |  16 ++
 demos/gtk-demo/demo2widget.c                  | 172 +++++++++++
 demos/gtk-demo/demo2widget.h                  |  11 +
 demos/gtk-demo/four_point_transform.c         |  90 ++++++
 demos/gtk-demo/four_point_transform.h         |  13 +
 demos/gtk-demo/layoutmanager.c                |   9 +-
 demos/gtk-demo/layoutmanager2.c               | 198 +++++++++++++
 demos/gtk-demo/meson.build                    |   7 +-
 demos/gtk-demo/singular_value_decomposition.c | 396 ++++++++++++++++++++++++++
 demos/gtk-demo/singular_value_decomposition.h |  17 ++
 tests/meson.build                             |   1 +
 tests/testtransform.c                         |  77 +++++
 14 files changed, 1217 insertions(+), 5 deletions(-)
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