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July 6, 2015 15:26
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gtk anim
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_ | |
_ _ _(_)_ | A fresh approach to technical computing | |
(_) | (_) (_) | Documentation: http://docs.julialang.org | |
_ _ _| |_ __ _ | Type "help()" for help. | |
| | | | | | |/ _` | | | |
| | |_| | | | (_| | | Version 0.4.0-dev+5791 (2015-07-04 23:24 UTC) | |
_/ |\__'_|_|_|\__'_| | Commit 59a1e9c* (1 day old master) | |
|__/ | x86_64-linux-gnu | |
julia> include("gtk_anim.jl") | |
WARNING: deprecated syntax "LListPair{L} (" at /home/lobi/.julia/v0.4/Gtk/src/GLib/glist.jl:61. | |
Use "LListPair{L}(" instead. | |
WARNING: deprecated syntax "< {" at /home/lobi/.julia/v0.4/FixedPointNumbers/src/fixed32.jl:20. | |
Use "<{" instead. | |
WARNING: deprecated syntax "< {" at /home/lobi/.julia/v0.4/FixedPointNumbers/src/ufixed.jl:91. | |
Use "<{" instead. |
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using Gtk | |
using Cairo | |
type Scene | |
ti::Float64 | |
n::Int64 | |
end | |
function update(canvas, scene::Scene) | |
draw(canvas) | |
end | |
function init(canvas, scene::Scene) | |
update_timer = Timer(timer -> update(canvas, scene), 0.0,0.05) | |
# start_timer | |
return update_timer | |
end | |
function draw_scene(canvas, scene::Scene) | |
ctx = Gtk.getgc(canvas) | |
h = height(canvas) | |
w = width(canvas) | |
rectangle(ctx, 0, 0, w, h) | |
set_source_rgb(ctx, 1, 1, 1) | |
fill(ctx) | |
set_source_rgb(ctx, 0.5, 0.0, 0.7) | |
t1 = @sprintf("%07.3fs",time()-scene.ti) | |
text(ctx,0,18,t1) | |
ti = (time() - scene.ti)/2.0 | |
for k=1:scene.n | |
x = (cos(ti*3) * ((w/2.0)-30.0)) + (w/2.0) +5.0 | |
y = (sin(ti*4) * ((h/2.0)-40.0)) + (h/2.0) +15.0 | |
new_path(ctx) | |
set_line_width(ctx, 10.0); | |
set_source_rgb(ctx, 0.5, mod(ti,1.0), 0.7) | |
arc(ctx, x, y, 20.0, 0.0, 6.28); | |
stroke(ctx); | |
ti = ti + 0.05 | |
end | |
end | |
canvas = Gtk.@GtkCanvas(200,200); | |
w = Gtk.@GtkWindow(canvas,"animtest"); | |
show(canvas) | |
scene = Scene(time(),10) | |
update_timer = init(canvas, scene) | |
draw(canvas -> draw_scene(canvas, scene), canvas) | |
if !isinteractive() | |
cond = Condition() | |
signal_connect(w, :destroy) do widget | |
notify(cond) | |
end | |
wait(cond) | |
end | |
#stop_timer(update_timer) |
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