1 files changed, 69 insertions, 0 deletions
diff --git a/lib/Lintian/Check/Desktop/Icons.pm b/lib/Lintian/Check/Desktop/Icons.pm
new file mode 100644
index 0000000..95565ed
--- /dev/null
+++ b/lib/Lintian/Check/Desktop/Icons.pm
@@ -0,0 +1,69 @@
+# desktop/icons -- lintian check script -*- perl -*-
+
+# Copyright (C) 1998 Christian Schwarz and Richard Braakman
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, you can find it on the World Wide
+# Web at https://www.gnu.org/copyleft/gpl.html, or write to the Free
+# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+package Lintian::Check::Desktop::Icons;
+
+use v5.20;
+use warnings;
+use utf8;
+
+use Moo;
+use namespace::clean;
+
+with 'Lintian::Check';
+
+sub visit_installed_files {
+    my ($self, $item) = @_;
+
+    if ($item->name =~ m{/icons/[^/]+/(\d+)x(\d+)/(?!animations/).*\.png$}){
+
+        my $directory_width = $1;
+        my $directory_height = $2;
+
+        my $resolved = $item->resolve_path;
+
+        if ($resolved && $resolved->file_type =~ m/,\s*(\d+)\s*x\s*(\d+)\s*,/){
+
+            my $file_width = $1;
+            my $file_height = $2;
+
+            my $width_delta = abs($directory_width - $file_width);
+            my $height_delta = abs($directory_height - $file_height);
+
+            $self->pointed_hint('icon-size-and-directory-name-mismatch',
+                $item->pointer, $file_width.'x'.$file_height)
+              if $width_delta > 2 || $height_delta > 2;
+        }
+    }
+
+    $self->pointed_hint('raster-image-in-scalable-directory', $item->pointer)
+      if $item->is_file
+      && $item->name =~ m{/icons/[^/]+/scalable/.*\.(?:png|xpm)$};
+
+    return;
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et