async def reading(spread: str) -> Tuple[Optional[io.BytesIO], List[Tuple[str, str, str]]]:
w, h = (200, 326) # card size
space = 20 # space between cards
if spread == 'ppf':
# three cards dealt horizontally
bg_size = (3 * w + 4 * space, h + 2 * space)
cards = await Deck.get_random_cards(3)
position = [
(space, space),
(w + 2 * space, space),
(2 * w + 3 * space, space)
]
position_legend = ['PAST', 'PRESENT', 'FUTURE']
elif spread == 'five':
# five cards dealt in a cross
bg_size = (3 * w + 4 * space, 3 * h + 4 * space)
cards = await Deck.get_random_cards(5)
position = [
(space, 2 * space + h),
(w + 2 * space, 2 * space + h),
(2 * w + 3 * space, 2 * space + h),
(w + 2 * space, 3 * space + 2 * h),
(w + 2 * space, space)
]
position_legend = ['PAST', 'PRESENT', 'FUTURE', 'REASON', 'POTENTIAL']
elif spread == 'one':
bg_size = (w, h)
cards = await Deck.get_random_cards(1)
position = [
(0, 0)
]
position_legend = ['\u200d']
else:
raise commands.BadArgument('Spread is invalid.')
bg = Image.new('RGBA', bg_size, (0, 0, 0, 0))
interpretation = [] # type: List[Tuple[str, str, str]]
for i, card in enumerate(cards):
reverse = True if random.random() < 0.12 else False
card_image = await card.get_image(reverse)
bg.paste(card_image, position[i])
if reverse:
name = card.name + '\n(Reversed)'
descr = card.description_reversed
else:
name = card.name
descr = card.description_upright
interpretation.append((position_legend[i], name, descr))
return image_to_buffer([bg]), interpretation
async def get_image_buff(self, reverse: bool = False) -> BytesIO:
return image_to_buffer([await self.get_image(reverse)])