Add krita package (#6907)

packages/krita.rb

@@ -0,0 +1,48 @@
+require 'package'
+
+class Krita < Package
+  description 'A generic image manipulation/painting application in the style of Photoshop or GIMP.'
+  homepage 'https://krita.org/en'
+  version '5.0.2'
+  license 'GPL-3'
+  compatibility 'x86_64'
+  source_url 'https://download.kde.org/stable/krita/5.0.2/krita-5.0.2-x86_64.appimage'
+  source_sha256 '139e621ec3a4ec1918e6046bdd7be4c0b392cdf2571ca83a065a3e2f00f585e8'
+
+  depends_on 'gtk3'
+  depends_on 'sommelier'
+
+  def self.build
+    krita = <<~EOF
+    #!/bin/bash
+    SCALE=1
+    RESOLUTION=$(xdpyinfo | awk '/dimensions:/ { print $2 }' | cut -d'x' -f1)
+    [[ $RESOLUTION -gt 1500 && $RESOLUTION -lt 3000 ]] && SCALE=1.5
+    [[ $RESOLUTION -ge 3000 && $RESOLUTION -lt 4500 ]] && SCALE=2
+    [[ $RESOLUTION -ge 4500 && $RESOLUTION -lt 6000 ]] && SCALE=2.5
+    [[ $RESOLUTION -ge 6000 ]] && SCALE=3
+    export GDK_BACKEND=x11
+    export QT_SCALE_FACTOR=$SCALE
+    export PYTHONPATH=#{CREW_PREFIX}/share/krita/usr/lib/python3.8:$PYTHONPATH
+    export LD_LIBRARY_PATH=#{CREW_PREFIX}/share/krita/usr/lib:$LD_LIBRARY_PATH
+    cd #{CREW_PREFIX}/share/krita
+    ./AppRun "$@"
+    EOF
+    IO.write('krita.sh', krita)
+  end
+
+  def self.install
+    conflicts_ok
+    ENV['CREW_NOT_STRIP'] = '1'
+    reload_constants
+    FileUtils.mkdir_p "#{CREW_DEST_PREFIX}/bin"
+    FileUtils.cp_r 'usr/share', CREW_DEST_PREFIX
+    FileUtils.mkdir_p "#{CREW_DEST_PREFIX}/share/krita"
+    FileUtils.install 'krita.sh', "#{CREW_DEST_PREFIX}/bin/krita", mode: 0755
+    FileUtils.mv Dir['*'], "#{CREW_DEST_PREFIX}/share/krita"
+  end
+
+  def self.postinstall
+    puts "\nType 'krita' to get started.\n".lightblue
+  end
+end