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"""
Donut
Copyright (c) 2022-present NAVER Corp.
MIT License
"""
import numpy as np
from synthtiger import components
from elements.content import Content
from elements.paper import Paper
class Document:
def __init__(self, config):
self.fullscreen = config.get("fullscreen", 0.5)
self.landscape = config.get("landscape", 0.5)
self.short_size = config.get("short_size", [480, 1024])
self.aspect_ratio = config.get("aspect_ratio", [1, 2])
self.paper = Paper(config.get("paper", {}))
self.content = Content(config.get("content", {}))
self.effect = components.Iterator(
[
components.Switch(components.ElasticDistortion()),
components.Switch(components.AdditiveGaussianNoise()),
components.Switch(
components.Selector(
[
components.Perspective(),
components.Perspective(),
components.Perspective(),
components.Perspective(),
components.Perspective(),
components.Perspective(),
components.Perspective(),
components.Perspective(),
]
)
),
],
**config.get("effect", {}),
)
def generate(self, size):
width, height = size
fullscreen = np.random.rand() < self.fullscreen
if not fullscreen:
landscape = np.random.rand() < self.landscape
max_size = width if landscape else height
short_size = np.random.randint(
min(width, height, self.short_size[0]),
min(width, height, self.short_size[1]) + 1,
)
aspect_ratio = np.random.uniform(
min(max_size / short_size, self.aspect_ratio[0]),
min(max_size / short_size, self.aspect_ratio[1]),
)
long_size = int(short_size * aspect_ratio)
size = (long_size, short_size) if landscape else (short_size, long_size)
text_layers, texts = self.content.generate(size)
paper_layer = self.paper.generate(size)
self.effect.apply([*text_layers, paper_layer])
return paper_layer, text_layers, texts
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