diff options
| -rw-r--r-- | lib/percept/test/egd_SUITE.erl | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/lib/percept/test/egd_SUITE.erl b/lib/percept/test/egd_SUITE.erl index 3562ceae88..98a265ce61 100644 --- a/lib/percept/test/egd_SUITE.erl +++ b/lib/percept/test/egd_SUITE.erl @@ -32,6 +32,7 @@ image_primitives/1, image_colors/1, image_font/1, + image_fans/1, image_png_compliant/1]). suite() -> @@ -41,6 +42,7 @@ suite() -> all() -> [image_create_and_destroy, image_shape, image_primitives, image_colors, image_font, + image_fans, image_png_compliant]. @@ -224,6 +226,50 @@ image_png_compliant(Config) when is_list(Config) -> erase(image_size), ok. +image_fans(Config) when is_list(Config) -> + W = 1024, + H = 800, + Dir = proplists:get_value(priv_dir, Config), + + Fun = fun({F,Args},Im) -> + erlang:apply(egd_primitives,F,[Im|Args]) + end, + + %% fan1 + Ops1 = gen_vertical_fan(1,{0,400},egd:color(red),1024,800,-15), + Ops2 = gen_horizontal_fan(1,{512,800},egd:color(green),1024,0,-15), + + Im0 = egd_primitives:create(W,H), + Im1 = lists:foldl(Fun, Im0, Ops1 ++ Ops2), + Bin1 = egd_render:binary(Im1, opaque), + Png1 = egd_png:binary(W,H,Bin1), + + File1 = filename:join(Dir,"fan1.png"), + egd:save(Png1,File1), + ct:log("<p>Image1:<img src=\"~s\" /></p>~n", [File1]), + + %% fan2 + Ops3 = gen_vertical_fan(7,{0,400},egd:color(red),1024,800,-15), + Ops4 = gen_horizontal_fan(7,{512,800},egd:color(green),1024,0,-15), + + Im2 = lists:foldl(Fun, Im0, Ops3 ++ Ops4), + Bin2 = egd_render:binary(Im2, opaque), + Png2 = egd_png:binary(W,H,Bin2), + + File2 = filename:join(Dir,"fan2.png"), + egd:save(Png2,File2), + ct:log("<p>Image2:<img src=\"~s\" /></p>~n", [File2]), + ok. + +gen_vertical_fan(Wd,Pt,C,X,Y,Step) when Y > 0 -> + [{line,[Pt,{X,Y},Wd,C]}|gen_vertical_fan(Wd,Pt,C,X,Y + Step,Step)]; +gen_vertical_fan(_,_,_,_,_,_) -> []. + +gen_horizontal_fan(Wd,Pt,C,X,Y,Step) when X > 0 -> + [{line,[Pt,{X,Y},Wd,C]}|gen_horizontal_fan(Wd,Pt,C,X + Step,Y,Step)]; +gen_horizontal_fan(_,_,_,_,_,_) -> []. + + %%---------------------------------------------------------------------- %% Auxiliary tests %%---------------------------------------------------------------------- |