aboutsummaryrefslogtreecommitdiffstats
path: root/lib/gs/doc/src/examples/ex15.erl
diff options
context:
space:
mode:
authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/gs/doc/src/examples/ex15.erl
downloadotp-84adefa331c4159d432d22840663c38f155cd4c1.tar.gz
otp-84adefa331c4159d432d22840663c38f155cd4c1.tar.bz2
otp-84adefa331c4159d432d22840663c38f155cd4c1.zip
The R13B03 release.OTP_R13B03
Diffstat (limited to 'lib/gs/doc/src/examples/ex15.erl')
-rw-r--r--lib/gs/doc/src/examples/ex15.erl30
1 files changed, 30 insertions, 0 deletions
diff --git a/lib/gs/doc/src/examples/ex15.erl b/lib/gs/doc/src/examples/ex15.erl
new file mode 100644
index 0000000000..864bdd93b2
--- /dev/null
+++ b/lib/gs/doc/src/examples/ex15.erl
@@ -0,0 +1,30 @@
+-module(ex15).
+-copyright('Copyright (c) 1991-97 Ericsson Telecom AB').
+-vsn('$Revision: /main/release/3 $ ').
+
+-export([start/0,init/0]).
+
+start() -> spawn(ex15, init, []).
+
+init() ->
+ I=gs:start(),
+ Win=gs:create(window, I,
+ [{width, 400},{height, 250},
+ {title,"Font Demo"},{map, true}]),
+ E = gs:create(canvas, can1,Win,
+ [{x,0},{y, 0},{width,400},{height,250}]),
+ Fonts = [{times,19},{screen,16},{helvetica,bold,21},
+ {symbol,12},{times,[bold,italic],33},{courier,6}],
+ show_fonts_in_boxes(Fonts,0),
+ receive
+ {gs,_Id,destroy,_Data,_Arg} -> bye
+ end.
+
+show_fonts_in_boxes([],_) -> done;
+show_fonts_in_boxes([Font|Fonts],Y) ->
+ Txt = io_lib:format("Hi! ~p",[Font]),
+ {Width,Height} = gs:read(can1,{font_wh,{Font,Txt}}),
+ Y2=Y+Height+2,
+ gs:create(rectangle,can1,[{coords,[{0,Y},{Width,Y2}]}]),
+ gs:create(text,can1,[{font,Font},{text,Txt},{coords,[{0,Y+1}]}]),
+ show_fonts_in_boxes(Fonts,Y2+1).