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-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).
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