lib/mnit_linux/linux_assets.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2011-2013 Alexis Laferrière <alexis.laf@xymus.net>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 module linux_assets
  18
  19 import mnit
  20 import linux_app
  21
  22 redef class App
  23         var assets_dir: String
  24
  25         redef fun setup
  26         do
  27                 assets_dir = sys.program_name.dirname + "/../assets/"
  28
  29                 super
  30         end
  31
  32         redef fun try_loading_asset( id )
  33         do
  34                 var path = "{assets_dir}/{id}"
  35                 if not path.file_exists then
  36                         log_error( "asset <{id}> does not exists." )
  37                         exit(1)
  38                         abort
  39                 else
  40                         var ext = path.file_extension
  41                         if ext == "png" or ext == "jpg" or ext == "jpeg" then
  42                                 return new Opengles1Image.from_file( path )
  43                         else # load as text
  44                                 var f = new IFStream.open(path)
  45                                 var content = f.read_all
  46                                 f.close
  47
  48                                 return content
  49                         end
  50                 end
  51         end
  52 end