The R13B03 release.OTP_R13B03

1 files changed, 50 insertions, 0 deletions

diff --git a/lib/percept/doc/src/img.erl b/lib/percept/doc/src/img.erl
new file mode 100644
index 0000000000..8f3bd3839f
--- /dev/null
+++ b/lib/percept/doc/src/img.erl
@@ -0,0 +1,50 @@
+-module(img).
+
+-export([do/0]).
+
+do() ->
+    Im = egd:create(200,200),
+    Red = egd:color({255,0,0}),
+    Green = egd:color({0,255,0}),
+    Blue = egd:color({0,0,255}),
+    Black = egd:color({0,0,0}),
+    Yellow = egd:color({255,255,0}),
+
+    % Line and fillRectangle
+
+    egd:filledRectangle(Im, {20,20}, {180,180}, Red),
+    egd:line(Im, {0,0}, {200,200}, Black),    
+
+    egd:save(egd:render(Im, png), "/home/egil/test1.png"),
+    
+    egd:filledEllipse(Im, {45, 60}, {55, 70}, Yellow),
+    egd:filledEllipse(Im, {145, 60}, {155, 70}, Blue),
+
+    egd:save(egd:render(Im, png), "/home/egil/test2.png"),
+
+    R = 80,
+    X0 = 99,
+    Y0 = 99,
+
+    Pts = [ { 	X0 + trunc(R*math:cos(A*math:pi()*2/360)),
+		Y0 + trunc(R*math:sin(A*math:pi()*2/360))
+	    } || A <- lists:seq(0,359,5)],
+    lists:map(
+	fun({X,Y}) ->
+	    egd:rectangle(Im, {X-5, Y-5}, {X+5,Y+5}, Green)
+	end, Pts), 
+
+    egd:save(egd:render(Im, png), "/home/egil/test3.png"),
+
+    % Text
+    Filename = filename:join([code:priv_dir(percept), "fonts", "6x11_latin1.wingsfont"]),
+    Font = egd_font:load(Filename),
+    {W,H} = egd_font:size(Font),
+    String = "egd says hello",
+    Length = length(String),
+
+    egd:text(Im, {round(100 - W*Length/2), 200 - H - 5}, Font, String, Black),
+ 
+    egd:save(egd:render(Im, png), "/home/egil/test4.png"),
+
+    egd:destroy(Im).