116 lines
4.1 KiB
Python
116 lines
4.1 KiB
Python
import logging
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import pathlib
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from typing import List, Optional
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from collections import Counter
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from PIL import Image
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from tqdm.contrib import itertools as tqdm_itertools
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from ..config import PathConfig, LoggingConfig
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from .atlas import SpritesheetData, fetch_data, fetch_expression_sheets, fetch_config
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LOGGER = logging.getLogger(LoggingConfig.NAME)
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def compose(input_id: int, filters: Optional[List[str]] = None):
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PathConfig.IMAGES.mkdir(exist_ok=True)
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PathConfig.OUTPUT.mkdir(exist_ok=True)
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if input_id < 10000:
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chara_ids = fetch_data(input_id)
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savefolder = PathConfig.OUTPUT / str(input_id)
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else:
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LOGGER.info(f"Processing manually uploaded charaId {input_id}")
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savefolder = PathConfig.OUTPUT / "manual"
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chara_ids = [str(input_id)]
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if not savefolder.is_dir():
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savefolder.mkdir(parents=True, exist_ok=True)
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if filters is not None:
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chara_ids = [ v for v in chara_ids if v in filters ]
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LOGGER.debug(chara_ids)
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for char_id in chara_ids:
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expfolder = fetch_expression_sheets(savefolder.stem, char_id)
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config = fetch_config(char_id)
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process_sprite(expfolder, config, savefolder)
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LOGGER.info(f"Files have been saved at: {savefolder.absolute()}")
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def calculate_counts(width: int, height: int, facesize: tuple[int, int]):
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rowcount, colcount = height // facesize[1], width // facesize[0]
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LOGGER.debug(f"{height} | {facesize[1]} --> {rowcount}")
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LOGGER.debug(f"{width} | {facesize[0]} --> {colcount}")
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return rowcount, colcount
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def gen_main_sprite(folder: pathlib.Path):
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image = Image.open(folder / "0.png")
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width, height = image.size
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LOGGER.debug(f"Main sprite ({folder}): {width}:{height}")
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return image.crop((0, 0, width, height - 256))
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def process_sprite(images_folder: pathlib.Path, configdata: SpritesheetData, outputfolder: pathlib.Path):
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main_sprite = gen_main_sprite(images_folder)
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image_idx = save_sprite(main_sprite, outputfolder, f"{images_folder.stem}")
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for i in images_folder.iterdir():
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LOGGER.debug(f"Idx: {image_idx}")
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initial_row = 0
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expressions = Image.open(i)
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rowcount, colcount = calculate_counts(*expressions.size, configdata["facesize"])
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if i.name == "0.png" and 256 < configdata["facesize"][1]:
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continue
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if i.name == "0.png":
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initial_row = rowcount - 1
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for x, y in tqdm_itertools.product(range(initial_row, rowcount), range(0, colcount), ascii="-=", desc=f"[PROG] [{LoggingConfig.NAME}]", bar_format="{desc} {percentage:3.0f}% |{bar}|"):
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img = generate_sprite(main_sprite, expressions, x, y, configdata)
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if img is not None:
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image_idx = save_sprite(img, outputfolder, f"{images_folder.stem}", image_idx)
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LOGGER.debug(f"{x}/{y} - {'Invalid' if img is None else 'Valid'} image")
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def generate_sprite(main_sprite: Image.Image, expressions: Image.Image, row: int, col: int, configdata: SpritesheetData) -> Image.Image | None:
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position, facesize = configdata["position"], configdata["facesize"]
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roi = (
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col * facesize[0],
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row * facesize[1],
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(col + 1) * facesize[0],
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(row + 1) * facesize[1]
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)
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LOGGER.debug(roi)
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expression = expressions.crop(roi)
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if is_empty(expression):
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LOGGER.debug("Image empty")
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return None
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mask = Image.new("RGBA", (facesize[0], facesize[1]), (255,255,255,255))
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composition = main_sprite.copy()
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composition.paste(expression, position, mask)
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return composition
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def save_sprite(image: Image.Image, outputfolder: pathlib.Path, name: str, idx: int = 0) -> int:
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savefolder = outputfolder / name
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if not savefolder.is_dir():
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savefolder.mkdir()
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outfile = savefolder / f"{idx}.png"
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with open(outfile, 'wb') as file:
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image.save(file)
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return idx + 1
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def is_empty(img: Image.Image):
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w, h = img.size
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croparea = (w * 0.375, h * 0.375, w * 0.625, h * 0.625 )
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data = Counter(img.crop(croparea).convert('LA').getdata())
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LOGGER.debug(f"Counts: {len(data)}")
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if len(data) < 6:
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return True
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return False
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