69 lines
2.4 KiB
Python
69 lines
2.4 KiB
Python
from pathlib import Path
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from .settings import BOARD_DECK, DECKS_DIR, BuildConfig
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ORIGINAL_BOARD_MM = (88.9, 139.7)
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TRIMMED_BOARD_ASPECT_RATIO = ORIGINAL_BOARD_MM[0] / ORIGINAL_BOARD_MM[1]
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BOARD_SIZE_OPTIONS_MM = {
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"original": ORIGINAL_BOARD_MM,
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"a6": (105.0, 148.0),
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"a5": (148.0, 210.0),
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"a4": (210.0, 297.0),
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"half-letter": (139.7, 215.9),
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"letter": (215.9, 279.4),
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}
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BOARD_MODE_CHOICES = tuple(
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[name for name in BOARD_SIZE_OPTIONS_MM]
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+ [f"{name}-fit" for name in BOARD_SIZE_OPTIONS_MM]
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+ ["custom", "custom-fit"]
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)
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VISIBLE_BOARD_MODE_CHOICES = ("original", "a6", "a6-fit", "a5", "a5-fit", "half-letter", "half-letter-fit", "custom")
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def fit_size_inside(box_mm: tuple[float, float], ratio: float = TRIMMED_BOARD_ASPECT_RATIO) -> tuple[float, float]:
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max_w, max_h = box_mm
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if ratio > max_w / max_h:
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return max_w, max_w / ratio
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return max_h * ratio, max_h
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def board_target_mm_for_mode(
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board_path: Path,
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board_mode: str,
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board_custom_mm: tuple[float, float] | None = None,
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) -> tuple[float, float]:
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if board_custom_mm is not None:
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if board_mode == "custom-fit":
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return fit_size_inside(board_custom_mm)
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return board_custom_mm
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if board_mode.endswith("-fit"):
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base_mode = board_mode.removesuffix("-fit")
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if base_mode in BOARD_SIZE_OPTIONS_MM and base_mode != "original":
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return fit_size_inside(BOARD_SIZE_OPTIONS_MM[base_mode])
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return BOARD_SIZE_OPTIONS_MM.get(board_mode, ORIGINAL_BOARD_MM)
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def board_target_mm(board_path: Path, config: BuildConfig) -> tuple[float, float]:
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return board_target_mm_for_mode(board_path, config.board_mode, config.board_custom_mm)
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def board_size_fits_paper(
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board_mode: str,
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board_custom_mm: tuple[float, float] | None,
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paper_mm: tuple[float, float],
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margin_mm: float,
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) -> bool:
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usable_w = paper_mm[0] - 2 * margin_mm
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usable_h = paper_mm[1] - 2 * margin_mm
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board_paths = sorted((DECKS_DIR / BOARD_DECK).glob("*-jumbo-front.png"))
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if not board_paths:
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return True
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for board_path in board_paths:
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board_w, board_h = board_target_mm_for_mode(board_path, board_mode, board_custom_mm)
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fits_upright = board_w <= usable_w and board_h <= usable_h
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fits_rotated = board_h <= usable_w and board_w <= usable_h
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if not (fits_upright or fits_rotated):
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return False
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return True
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