diff options
Diffstat (limited to 'lib/percept/src/egd_render.erl')
| -rw-r--r-- | lib/percept/src/egd_render.erl | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/lib/percept/src/egd_render.erl b/lib/percept/src/egd_render.erl index 4a0247dd33..7fd1072ab1 100644 --- a/lib/percept/src/egd_render.erl +++ b/lib/percept/src/egd_render.erl @@ -29,7 +29,8 @@ -include("egd.hrl"). -define('DummyC',0). -binary(Image) -> binary(Image, opaque). +binary(Image) -> + binary(Image, opaque). binary(Image, Type) -> parallel_binary(precompile(Image),Type). @@ -42,9 +43,8 @@ parallel_binary(Image = #image{ height = Height },Type) -> W = Image#image.width, Bg = Image#image.background, Os = Image#image.objects, - erlang:list_to_binary(lists:map(fun - (Y) -> scanline(Y, Os, {0,0,W - 1, Bg}, Type) - end, lists:seq(1, Height))); + erlang:list_to_binary([scanline(Y, Os, {0,0,W - 1, Bg}, Type) + || Y <- lists:seq(1, Height)]); Np -> Pids = start_workers(Np, Type), Handler = handle_workers(Height, Pids), @@ -54,7 +54,9 @@ parallel_binary(Image = #image{ height = Height },Type) -> Res end. -start_workers(Np, Type) -> start_workers(Np, Type, []). +start_workers(Np, Type) -> + start_workers(Np, Type, []). + start_workers( 0, _, Pids) -> Pids; start_workers(Np, Type, Pids) when Np > 0 -> start_workers(Np - 1, Type, [spawn_link(fun() -> worker(Type) end)|Pids]). @@ -90,7 +92,9 @@ init_workers(Image, Handler, [Pid|Pids]) -> Handler ! {Pid, scan_complete}, init_workers(Image, Handler, Pids). -handle_workers(H, Pids) -> spawn_link(fun() -> handle_workers(H, H, length(Pids)) end). +handle_workers(H, Pids) -> + spawn_link(fun() -> handle_workers(H, H, length(Pids)) end). + handle_workers(_, 0, _) -> ok; handle_workers(H, Hi, Np) when H > 0 -> N = trunc(Hi/(2*Np)), @@ -110,7 +114,9 @@ finish_workers([Pid|Pids]) -> Pid ! {self(), done}, finish_workers(Pids). -receive_binaries(H) -> receive_binaries(H, []). +receive_binaries(H) -> + receive_binaries(H, []). + receive_binaries(0, Bins) -> erlang:list_to_binary(Bins); receive_binaries(H, Bins) when H > 0 -> receive @@ -118,7 +124,6 @@ receive_binaries(H, Bins) when H > 0 -> receive_binaries(H - 1, [Bin|Bins]) end. - scanline(Y, Os, {_,_,Width,_}=LSB, Type) -> OLSs = parse_objects_on_line(Y-1, Width, Os), RLSs = resulting_line_spans([LSB|OLSs],Type), @@ -190,7 +195,6 @@ modify_layers(Layers,[{{_,Z,start},C}|Trans]) -> modify_layers(Layers,[{{_,Z,stop },C}|Trans]) -> modify_layers(remove_layer(Layers, Z, C), Trans). - add_layer([{Z1,_}=H|Layers],Z,C) when Z1 > Z -> [H|add_layer(Layers,Z,C)]; add_layer(Layers,Z,C) -> |