def main():
img_path = os.path.abspath(os.path.join(os.path.dirname(__file__), 'images', 'starwars.png'))
logo = Image.open(img_path)
virtual = viewport(device, width=128, height=768)
for _ in range(2):
with canvas(virtual) as draw:
draw.text((0, 0), "A long time ago", fill="white")
draw.text((0, 12), "in a galaxy far", fill="white")
draw.text((0, 24), "far away....", fill="white")
time.sleep(5)
for _ in range(2):
with canvas(virtual) as draw:
draw.bitmap((20, 0), logo, fill="white")
for i, line in enumerate(blurb.split("\n")):
draw.text((0, 40 + (i * 12)), text=line, fill="white")
time.sleep(2)
# update the viewport one position below, causing a refresh,
# giving a rolling up scroll effect when done repeatedly
for y in range(450):
virtual.set_position((0, y))
time.sleep(0.01)
def main():
fonts = [make_font("code2000.ttf", sz) for sz in range(24, 8, -2)]
w, h = 256, 256
virtual = viewport(device, w, h)
for welcome_a, welcome_b in pairs(infinite_shuffle(welcome)):
widget_a = make_snapshot(device.width, device.height, welcome_a, fonts)
widget_b = make_snapshot(device.width, device.height, welcome_b, fonts)
posn_a = random_point(w - device.width, h - device.height)
posn_b = random_point(w - device.width, h - device.height)
while overlapping(posn_a, posn_b, device.width, device.height):
posn_b = random_point(w - device.width, h - device.height)
virtual.add_hotspot(widget_a, posn_a)
virtual.add_hotspot(widget_b, posn_b)
for _ in range(10):
virtual.set_position(posn_a)
time.sleep(0.3)
for posn in lerp_2d(posn_a, posn_b, 30):
virtual.set_position(posn)
virtual.remove_hotspot(widget_a, posn_a)
virtual.remove_hotspot(widget_b, posn_b)
def main():
if device.rotate in (0, 2):
# Horizontal
widget_width = device.width // 2
widget_height = device.height
else:
# Vertical
widget_width = device.width
widget_height = device.height // 2
# Either function or subclass
# cpuload = hotspot(widget_width, widget_height, cpu_load.render)
# cpuload = cpu_load.CPU_Load(widget_width, widget_height, interval=1.0)
utime = snapshot(widget_width, widget_height, uptime.render, interval=1.0)
mem = snapshot(widget_width, widget_height, memory.render, interval=2.0)
dsk = snapshot(widget_width, widget_height, disk.render, interval=2.0)
cpuload = snapshot(widget_width, widget_height, cpu_load.render, interval=0.5)
clk = snapshot(widget_width, widget_height, clock.render, interval=1.0)
network_ifs = psutil.net_if_stats().keys()
wlan = first(intersect(network_ifs, ["wlan0", "wl0"]), "wlan0")
eth = first(intersect(network_ifs, ["eth0", "en0"]), "eth0")
lo = first(intersect(network_ifs, ["lo", "lo0"]), "lo")
net_wlan = snapshot(widget_width, widget_height, network.stats(wlan), interval=2.0)
net_eth = snapshot(widget_width, widget_height, network.stats(eth), interval=2.0)
net_lo = snapshot(widget_width, widget_height, network.stats(lo), interval=2.0)
widgets = [cpuload, utime, clk, net_wlan, net_eth, net_lo, mem, dsk]
if device.rotate in (0, 2):
virtual = viewport(device, width=widget_width * len(widgets), height=widget_height)
for i, widget in enumerate(widgets):
virtual.add_hotspot(widget, (i * widget_width, 0))
for x in pause_every(widget_width, position(widget_width * (len(widgets) - 2))):
virtual.set_position((x, 0))
else:
virtual = viewport(device, width=widget_width, height=widget_height * len(widgets))
for i, widget in enumerate(widgets):
virtual.add_hotspot(widget, (0, i * widget_height))
for y in pause_every(widget_height, position(widget_height * (len(widgets) - 2))):
virtual.set_position((0, y))
def test_viewport_set_position():
reference = os.path.abspath(
os.path.join(os.path.dirname(__file__), 'reference',
'set_position.png'))
fname = NamedTemporaryFile(suffix=".png").name
device = capture(file_template=fname, transform="none")
virtual = viewport(device, 200, 200)
# Use the same drawing primitives as the demo
with canvas(virtual) as draw:
baseline_data.primitives(virtual, draw)
virtual.set_position((20, 30))
assert md5(reference) == md5(fname)
def test_viewport_hotspot():
reference = os.path.abspath(
os.path.join(os.path.dirname(__file__), 'reference', 'hotspot.png'))
fname = NamedTemporaryFile(suffix=".png").name
device = capture(file_template=fname, transform="none")
virtual = viewport(device, 200, 200)
def draw_fn(draw, width, height):
baseline_data.primitives(device, draw)
widget = hotspot(device.width, device.height, draw_fn)
virtual.add_hotspot(widget, (19, 56))
virtual.set_position((28, 30))
assert md5(reference) == md5(fname)
