diff options
Diffstat (limited to 'lib/percept/src/egd.erl')
| -rw-r--r-- | lib/percept/src/egd.erl | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/lib/percept/src/egd.erl b/lib/percept/src/egd.erl index 7972fde597..8e17707224 100644 --- a/lib/percept/src/egd.erl +++ b/lib/percept/src/egd.erl @@ -46,10 +46,10 @@ %% @type color() %% @type render_option() = {render_engine, opaque} | {render_engine, alpha} --type(egd_image() :: pid()). --type(point() :: {non_neg_integer(), non_neg_integer()}). --type(render_option() :: {'render_engine', 'opaque'} | {'render_engine', 'alpha'}). --type(color() :: {float(), float(), float(), float()}). +-type egd_image() :: pid(). +-type point() :: {non_neg_integer(), non_neg_integer()}. +-type render_option() :: {'render_engine', 'opaque'} | {'render_engine', 'alpha'}. +-type color() :: {float(), float(), float(), float()}. %%========================================================================== %% @@ -60,7 +60,7 @@ %% @spec create(integer(), integer()) -> egd_image() %% @doc Creates an image area and returns its reference. --spec(create/2 :: (Width :: integer(), Height :: integer()) -> egd_image()). +-spec create(Width :: integer(), Height :: integer()) -> egd_image(). create(Width,Height) -> spawn_link(fun() -> init(trunc(Width),trunc(Height)) end). @@ -69,16 +69,17 @@ create(Width,Height) -> %% @spec destroy(egd_image()) -> ok %% @doc Destroys the image. --spec(destroy/1 :: (Image :: egd_image()) -> ok). +-spec destroy(Image :: egd_image()) -> ok. destroy(Image) -> cast(Image, destroy), ok. -%% @spec render(egd_image()) -> binary() +%% @spec render(egd_image()) -> binary() %% @equiv render(Image, png, [{render_engine, opaque}]) +-spec render(Image :: egd_image()) -> binary(). render(Image) -> render(Image, png, [{render_engine, opaque}]). @@ -94,10 +95,10 @@ render(Image, Type) -> %% binary can either be a raw bitmap with rgb tripplets or a binary in png %% format. --spec(render/3 :: ( +-spec render( Image :: egd_image(), Type :: 'png' | 'raw_bitmap' | 'eps', - Options :: [render_option()]) -> binary()). + Options :: [render_option()]) -> binary(). render(Image, Type, Options) -> {render_engine, RenderType} = proplists:lookup(render_engine, Options), @@ -116,11 +117,11 @@ information(Pid) -> %% @spec line(egd_image(), point(), point(), color()) -> ok %% @doc Creates a line object from P1 to P2 in the image. --spec(line/4 :: ( +-spec line( Image :: egd_image(), P1 :: point(), P2 :: point(), - Color :: color()) -> 'ok'). + Color :: color()) -> 'ok'. line(Image, P1, P2, Color) -> cast(Image, {line, P1, P2, Color}), @@ -132,9 +133,8 @@ line(Image, P1, P2, Color) -> %% Name = black | silver | gray | white | maroon | red | purple | fuchia | green | lime | olive | yellow | navy | blue | teal | aqua %% @doc Creates a color reference. --spec(color/1 :: ( - Value :: {byte(), byte(), byte()} | {byte(), byte(), byte(), byte()} | atom()) -> - color()). +-spec color(Value :: {byte(), byte(), byte()} | {byte(), byte(), byte(), byte()} | atom()) -> + color(). color(Color) -> egd_primitives:color(Color). |