1 files changed, 0 insertions, 105 deletions
diff --git a/lib/percept/src/egd_png.erl b/lib/percept/src/egd_png.erl
deleted file mode 100644
index fe660513b4..0000000000
--- a/lib/percept/src/egd_png.erl
+++ /dev/null
@@ -1,105 +0,0 @@
-%%
-%% %CopyrightBegin%
-%% 
-%% Copyright Ericsson AB 2008-2016. All Rights Reserved.
-%% 
-%% Licensed under the Apache License, Version 2.0 (the "License");
-%% you may not use this file except in compliance with the License.
-%% You may obtain a copy of the License at
-%%
-%%     http://www.apache.org/licenses/LICENSE-2.0
-%%
-%% Unless required by applicable law or agreed to in writing, software
-%% distributed under the License is distributed on an "AS IS" BASIS,
-%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-%% See the License for the specific language governing permissions and
-%% limitations under the License.
-%% 
-%% %CopyrightEnd%
-
-
-%% This code was originally written by Dan Gudmundsson for png-handling in
-%% wings3d (e3d__png).
-%%
-%% @doc egd 
-%%
-
--module(egd_png).
-
--export([binary/3]).
-
--include("egd.hrl").
-
--define(MAGIC, 137,$P,$N,$G,$\r,$\n,26,$\n).
-
--define(GREYSCALE,   0).
--define(TRUECOLOUR,  2).
--define(INDEXED,     3).
--define(GREYSCALE_A, 4).
--define(TRUECOLOUR_A,6).
-
--define(MAX_WBITS,15).
-
--define(CHUNK, 240).
-
--define(get4p1(Idx),((Idx)  bsr 4)).
--define(get4p2(Idx),((Idx)  band 16#0F)).
--define(get2p1(Idx),((Idx)  bsr 6)).
--define(get2p2(Idx),(((Idx) bsr 4) band 3)).
--define(get2p3(Idx),(((Idx) bsr 2) band 3)).
--define(get2p4(Idx),((Idx)  band 3)).
--define(get1p1(Idx),((Idx)  bsr 7)).
--define(get1p2(Idx),(((Idx) bsr 6) band 1)).
--define(get1p3(Idx),(((Idx) bsr 5) band 1)).
--define(get1p4(Idx),(((Idx) bsr 4) band 1)).
--define(get1p5(Idx),(((Idx) bsr 3) band 1)).
--define(get1p6(Idx),(((Idx) bsr 2) band 1)).
--define(get1p7(Idx),(((Idx) bsr 1) band 1)).
--define(get1p8(Idx),((Idx)  band 1)).
-
-binary(W, H, Bitmap) when is_binary(Bitmap) ->
-    Z = zlib:open(),
-    Binary = bitmap2png(W, H, Bitmap, Z),
-    zlib:close(Z),
-    Binary.
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-% Begin Tainted
-
-bitmap2png(W, H, Bitmap,Z) ->
-    HDR = create_chunk(<<"IHDR",W:32,H:32,8:8,(png_type(r8g8b8)):8,0:8,0:8,0:8>>,Z),
-    DATA = create_chunk(["IDAT",compress_image(0,3*W,Bitmap,[])],Z),
-    END  = create_chunk(<<"IEND">>,Z),
-    list_to_binary([?MAGIC,HDR,DATA,END]).
-
-compress_image(I,RowLen, Bin, Acc) ->
-    Pos = I*RowLen,
-    case Bin of
-	<<_:Pos/binary,Row:RowLen/binary,_/binary>> ->
-	    Filtered = filter_row(Row,RowLen),
-	    compress_image(I+1,RowLen,Bin,[Filtered|Acc]);
-	_ when Pos == size(Bin) ->
-	    Filtered = list_to_binary(lists:reverse(Acc)),
-	    Compressed = zlib:compress(Filtered),
-	    Compressed
-    end.
-
-filter_row(Row,_RowLen) ->
-    [0,Row].
-
-% dialyzer warnings
-%png_type(g8) -> ?GREYSCALE;
-%png_type(a8) -> ?GREYSCALE;
-%png_type(r8g8b8a8) -> ?TRUECOLOUR_A;
-png_type(r8g8b8) -> ?TRUECOLOUR.
-
-create_chunk(Bin,Z) when is_list(Bin) ->
-    create_chunk(list_to_binary(Bin),Z);
-create_chunk(Bin,Z) when is_binary(Bin) ->
-    Sz = size(Bin)-4,
-    Crc = zlib:crc32(Z,Bin),
-    <<Sz:32,Bin/binary,Crc:32>>.
-
-% End tainted