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-rw-r--r--lib/percept/test/egd_SUITE.erl120
1 files changed, 75 insertions, 45 deletions
diff --git a/lib/percept/test/egd_SUITE.erl b/lib/percept/test/egd_SUITE.erl
index 98a265ce61..401695dddd 100644
--- a/lib/percept/test/egd_SUITE.erl
+++ b/lib/percept/test/egd_SUITE.erl
@@ -73,6 +73,7 @@ image_create_and_destroy(Config) when is_list(Config) ->
%% Image color test.
image_colors(Config) when is_list(Config) ->
{W,H} = get_size(proplists:get_value(max_size, Config)),
+ Dir = proplists:get_value(priv_dir, Config),
Image = egd:create(W, H),
put(image_size, {W,H}),
@@ -98,7 +99,15 @@ image_colors(Config) when is_list(Config) ->
ok = egd:line(Image, get_point(), get_point(), Color)
end, HtmlDefaultNames),
- <<_/binary>> = egd:render(Image),
+ Png1 = <<_/binary>> = egd:render(Image,png,[{render_engine, alpha}]),
+ File1 = filename:join(Dir,"image_colors_alpha.png"),
+ ok = egd:save(Png1,File1),
+ ct:log("<p>Image alpha:</p><img src=\"~s\" />~n", [File1]),
+ Png2 = <<_/binary>> = egd:render(Image,png,[{render_engine, opaque}]),
+ File2 = filename:join(Dir,"image_colors_opaque.png"),
+ ok = egd:save(Png2,File2),
+ ct:log("<p>Image opaque:</p><img src=\"~s\" />~n", [File2]),
+
ok = egd:destroy(Image),
erase(image_size),
ok.
@@ -106,6 +115,7 @@ image_colors(Config) when is_list(Config) ->
%% Image shape API test.
image_shape(Config) when is_list(Config) ->
{W,H} = get_size(proplists:get_value(max_size, Config)),
+ Dir = proplists:get_value(priv_dir, Config),
put(image_size, {W,H}),
Im = egd:create(W, H),
@@ -127,15 +137,21 @@ image_shape(Config) when is_list(Config) ->
ok = bitmap_point_has_color(Bitmap, {W,H}, Pt2, Fgc),
ok = bitmap_point_has_color(Bitmap, {W,H}, Pt1, Fgc),
- <<_/binary>> = egd:render(Im, raw_bitmap, [{render_engine, alpha}]),
+ Bin = <<_/binary>> = egd:render(Im, raw_bitmap, [{render_engine, alpha}]),
+ Png = egd_png:binary(W,H,Bin),
+ File = filename:join(Dir,"image_shape.png"),
+ ok = egd:save(Png,File),
+ ct:log("<p>Image:</p><img src=\"~s\" />~n", [File]),
ok = egd:destroy(Im),
+
erase(image_size),
ok.
%% Image shape API test.
image_primitives(Config) when is_list(Config) ->
{W,H} = get_size(proplists:get_value(max_size, Config)),
+ Dir = proplists:get_value(priv_dir, Config),
put(image_size, {W,H}),
Im0 = egd_primitives:create(W, H),
@@ -159,7 +175,11 @@ image_primitives(Config) when is_list(Config) ->
ok = bitmap_point_has_color(Bitmap, {W,H}, Pt2, Fgc),
ok = bitmap_point_has_color(Bitmap, {W,H}, Pt1, Fgc),
- <<_/binary>> = egd_render:binary(Im2, alpha),
+ Bin = <<_/binary>> = egd_render:binary(Im2, alpha),
+ Png = egd_png:binary(W,H,Bin),
+ File = filename:join(Dir,"image_primitives.png"),
+ ok = egd:save(Png,File),
+ ct:log("<p>Image:</p><img src=\"~s\" />~n", [File]),
erase(image_size),
ok.
@@ -167,6 +187,7 @@ image_primitives(Config) when is_list(Config) ->
%% Image font test.
image_font(Config) when is_list(Config) ->
{W,H} = get_size(proplists:get_value(max_size, Config)),
+ Dir = proplists:get_value(priv_dir, Config),
put(image_size, {W,H}),
Im = egd:create(W, H),
Fgc = egd:color({0,130,0}),
@@ -187,25 +208,46 @@ image_font(Config) when is_list(Config) ->
GlyphStr4 = "{|}~", % Codes 123 -> 126
ok = egd:text(Im, get_point(), Font, GlyphStr1, Fgc),
- <<_/binary>> = egd:render(Im, png),
+ Png1 = <<_/binary>> = egd:render(Im, png),
+ File1 = filename:join(Dir,"text1.png"),
+ ok = egd:save(Png1,File1),
+ ct:log("<p>Image:</p><img src=\"~s\" />~n", [File1]),
ok = egd:text(Im, get_point(), Font, NumericStr, Fgc),
- <<_/binary>> = egd:render(Im, png),
+ Png2 = <<_/binary>> = egd:render(Im, png),
+ File2 = filename:join(Dir,"text2.png"),
+ ok = egd:save(Png2,File2),
+ ct:log("<p>Image:</p><img src=\"~s\" />~n", [File2]),
ok = egd:text(Im, get_point(), Font, GlyphStr2, Fgc),
- <<_/binary>> = egd:render(Im, png),
+ Png3 = <<_/binary>> = egd:render(Im, png),
+ File3 = filename:join(Dir,"text3.png"),
+ ok = egd:save(Png3,File3),
+ ct:log("<p>Image:</p><img src=\"~s\" />~n", [File3]),
ok = egd:text(Im, get_point(), Font, AlphaBigStr, Fgc),
- <<_/binary>> = egd:render(Im, png),
+ Png4 = <<_/binary>> = egd:render(Im, png),
+ File4 = filename:join(Dir,"text4.png"),
+ ok = egd:save(Png4,File4),
+ ct:log("<p>Image:</p><img src=\"~s\" />~n", [File4]),
ok = egd:text(Im, get_point(), Font, GlyphStr3, Fgc),
- <<_/binary>> = egd:render(Im, png),
+ Png5 = <<_/binary>> = egd:render(Im, png),
+ File5 = filename:join(Dir,"text5.png"),
+ ok = egd:save(Png5,File5),
+ ct:log("<p>Image:</p><img src=\"~s\" />~n", [File5]),
ok = egd:text(Im, get_point(), Font, AlphaSmStr, Fgc),
- <<_/binary>> = egd:render(Im, png),
+ Png6 = <<_/binary>> = egd:render(Im, png),
+ File6 = filename:join(Dir,"text6.png"),
+ ok = egd:save(Png6,File6),
+ ct:log("<p>Image:</p><img src=\"~s\" />~n", [File6]),
ok = egd:text(Im, get_point(), Font, GlyphStr4, Fgc),
- <<_/binary>> = egd:render(Im, png),
+ Png7 = <<_/binary>> = egd:render(Im, png),
+ File7 = filename:join(Dir,"text7.png"),
+ ok = egd:save(Png7,File7),
+ ct:log("<p>Image:</p><img src=\"~s\" />~n", [File7]),
ok = egd:destroy(Im),
erase(image_size),
@@ -244,21 +286,36 @@ image_fans(Config) when is_list(Config) ->
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]),
+ File1 = filename:join(Dir,"fan1_opaque.png"),
+ ok = egd:save(Png1,File1),
+ ct:log("<p>Image opaque width 1:</p><img src=\"~s\" />~n", [File1]),
+
+ Bin2 = egd_render:binary(Im1, alpha),
+ Png2 = egd_png:binary(W,H,Bin2),
+
+ File2 = filename:join(Dir,"fan1_alpha.png"),
+ ok = egd:save(Png2,File2),
+ ct:log("<p>Image alpha width 1:</p><img src=\"~s\" />~n", [File2]),
+
%% 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),
+ Bin3 = egd_render:binary(Im2, opaque),
+ Png3 = egd_png:binary(W,H,Bin3),
+
+ File3 = filename:join(Dir,"fan2_opaque.png"),
+ ok = egd:save(Png3,File3),
+ ct:log("<p>Image opaque width 7:</p><img src=\"~s\" />~n", [File3]),
- File2 = filename:join(Dir,"fan2.png"),
- egd:save(Png2,File2),
- ct:log("<p>Image2:<img src=\"~s\" /></p>~n", [File2]),
+ Bin4 = egd_render:binary(Im2, alpha),
+ Png4 = egd_png:binary(W,H,Bin4),
+
+ File4 = filename:join(Dir,"fan2_alpha.png"),
+ ok = egd:save(Png4,File4),
+ ct:log("<p>Image alpha width 7:</p><img src=\"~s\" />~n", [File4]),
ok.
gen_vertical_fan(Wd,Pt,C,X,Y,Step) when Y > 0 ->
@@ -285,33 +342,6 @@ bitmap_point_has_color(Bitmap, {W,_}, {X,Y}, C) ->
{error, {Other,{CR,CG,CB}}}
end.
-%% jfif header by specification
-%% 2 bytes, length
-%% 5 bytes, identifier ="JFIF\0"
-%% 2 bytes, version, (major, minor)
-%% 1 byte , units
-%% However, JFIF seems to start at 6 (7 with 1-index)?
-
-binary_is_jfif_compliant(JpegBin) ->
- {Bin, _} = split_binary(JpegBin, 11),
- List = binary_to_list(Bin),
- case lists:sublist(List, 7, 4) of
- "JFIF" -> true;
- Other ->
- io:format("img -> ~p~n", [Other]),
- false
- end.
-
-binary_is_gif_compliant(GifBin) ->
- {Bin, _} = split_binary(GifBin, 10),
- List = binary_to_list(Bin),
- case lists:sublist(List, 1,5) of
- "GIF87" -> true;
- Other ->
- io:format("img -> ~p~n", [Other]),
- false
- end.
-
binary_is_png_compliant(PngBin) ->
{Bin, _} = split_binary(PngBin, 10),
List = binary_to_list(Bin),
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-31 01:11:09 +0000