Created
July 6, 2017 10:17
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-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). |
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