def drawBlankSignage(device, width, height, departureStation):
global stationRenderCount, pauseCount
with canvas(device) as draw:
welcomeSize = draw.textsize("Welcome to", fontBold)
with canvas(device) as draw:
stationSize = draw.textsize(departureStation, fontBold)
device.clear()
virtualViewport = viewport(device, width=width, height=height)
rowOne = snapshot(width,
10,
renderWelcomeTo((width - welcomeSize[0]) / 2),
interval=config["refreshTime"])
rowTwo = snapshot(width,
10,
renderDepartureStation(departureStation,
(width - stationSize[0]) / 2),
interval=config["refreshTime"])
rowThree = snapshot(width, 10, renderDots, interval=config["refreshTime"])
rowTime = hotspot(width, 14, renderTime)
if len(virtualViewport._hotspots) > 0:
for vhotspot, xy in virtualViewport._hotspots:
virtualViewport.remove_hotspot(vhotspot, xy)
virtualViewport.add_hotspot(rowOne, (0, 0))
virtualViewport.add_hotspot(rowTwo, (0, 12))
virtualViewport.add_hotspot(rowThree, (0, 24))
virtualViewport.add_hotspot(rowTime, (0, 50))
return virtualViewport
def test_viewport_hotspot():
img_path = get_reference_image('hotspot.png')
with open(img_path, 'rb') as p:
reference = Image.open(p)
device = dummy()
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))
virtual.remove_hotspot(widget, (19, 56))
assert_identical_image(reference, device.image, img_path)
def test_viewport_dithering():
img_path = get_reference_image('hotspot_dither.png')
with open(img_path, 'rb') as p:
reference = Image.open(p)
device = dummy(mode="1")
virtual = viewport(device, 200, 200, mode='RGBA', dither=True)
def draw_fn(draw, width, height):
draw.rectangle((0, 0, width / 2, height / 2), fill="red")
draw.rectangle((width / 2, 0, width, height / 2), fill="yellow")
draw.rectangle((0, height / 2, width / 2, height), fill="blue")
draw.rectangle((width / 2, height / 2, width, height),
fill="white")
widget = hotspot(device.width, device.height, draw_fn)
virtual.add_hotspot(widget, (19, 56))
virtual.set_position((28, 30))
virtual.remove_hotspot(widget, (19, 56))
assert_identical_image(reference, device.image, img_path)
def drawSignage(device, width, height, data):
global stationRenderCount, pauseCount
device.clear()
virtualViewport = viewport(device, width=width, height=height)
status = "Exp 00:00"
callingAt = "Calling at:"
departures, firstDepartureDestinations, departureStation = data
with canvas(device) as draw:
w, h = draw.textsize(callingAt, font)
callingWidth = w
width = virtualViewport.width
# First measure the text size
with canvas(device) as draw:
w, h = draw.textsize(status, font)
pw, ph = draw.textsize("Plat 88", font)
rowOneA = snapshot(width - w - pw - 5,
10,
renderDestination(departures[0], fontBold),
interval=config["refreshTime"])
rowOneB = snapshot(w, 10, renderServiceStatus(departures[0]), interval=10)
rowOneC = snapshot(pw,
10,
renderPlatform(departures[0]),
interval=config["refreshTime"])
rowTwoA = snapshot(callingWidth,
10,
renderCallingAt,
interval=config["refreshTime"])
rowTwoB = snapshot(width - callingWidth,
10,
renderStations(", ".join(firstDepartureDestinations)),
interval=0.1)
if (len(departures) > 1):
rowThreeA = snapshot(width - w - pw,
10,
renderDestination(departures[1], font),
interval=config["refreshTime"])
rowThreeB = snapshot(w,
10,
renderServiceStatus(departures[1]),
interval=config["refreshTime"])
rowThreeC = snapshot(pw,
10,
renderPlatform(departures[1]),
interval=config["refreshTime"])
if (len(departures) > 2):
rowFourA = snapshot(width - w - pw,
10,
renderDestination(departures[2], font),
interval=10)
rowFourB = snapshot(w,
10,
renderServiceStatus(departures[2]),
interval=10)
rowFourC = snapshot(pw,
10,
renderPlatform(departures[2]),
interval=config["refreshTime"])
rowTime = hotspot(width, 14, renderTime)
if len(virtualViewport._hotspots) > 0:
for vhotspot, xy in virtualViewport._hotspots:
virtualViewport.remove_hotspot(vhotspot, xy)
stationRenderCount = 0
pauseCount = 0
virtualViewport.add_hotspot(rowOneA, (0, 0))
virtualViewport.add_hotspot(rowOneB, (width - w, 0))
virtualViewport.add_hotspot(rowOneC, (width - w - pw, 0))
virtualViewport.add_hotspot(rowTwoA, (0, 12))
virtualViewport.add_hotspot(rowTwoB, (callingWidth, 12))
if (len(departures) > 1):
virtualViewport.add_hotspot(rowThreeA, (0, 24))
virtualViewport.add_hotspot(rowThreeB, (width - w, 24))
virtualViewport.add_hotspot(rowThreeC, (width - w - pw, 24))
if (len(departures) > 2):
virtualViewport.add_hotspot(rowFourA, (0, 36))
virtualViewport.add_hotspot(rowFourB, (width - w, 36))
virtualViewport.add_hotspot(rowFourC, (width - w - pw, 36))
virtualViewport.add_hotspot(rowTime, (0, 50))
return virtualViewport