Adrien Ufferte
57 lines
1.5 KiB
GDScript
57 lines
1.5 KiB
GDScript
extends Label
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class_name DynamicFontSizeLabel
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@export var autosize_on: bool = true
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@export var font_size_override: int = -1
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@export var font_size_min: int = 8
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@export var font_size_max: int = 100
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@export var font_size_width_percent: float = 0.9
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var _current_font_size: int
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var _default_font_size: int
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func _ready() -> void:
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resized.connect(_on_resized)
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_initialize_default_font_size()
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_update_font_size()
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func _initialize_default_font_size() -> void:
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_default_font_size = get_theme_font_size("font_size")
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func _on_resized() -> void:
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_update_font_size()
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func _update_font_size() -> void:
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if not autosize_on:
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return
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if font_size_override >= 0:
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_current_font_size = font_size_override
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else:
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_current_font_size = _calculate_best_font_size()
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add_theme_font_size_override("font_size", _current_font_size)
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# Recherche binaire de la taille de police optimale
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func _calculate_best_font_size() -> int:
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var available_width: float = size.x * font_size_width_percent
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var available_height: float = size.y
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var font: Font = get_theme_font("font")
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var low: int = font_size_min
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var high: int = font_size_max
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var best_size: int = low
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while low <= high:
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var mid: int = int((low + high) / 2.0)
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var text_size: Vector2 = font.get_string_size(text, HORIZONTAL_ALIGNMENT_LEFT, -1, mid)
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# Si le texte rentre, on essaie de l'augmenter
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if text_size.x <= available_width and text_size.y <= available_height:
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best_size = mid
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low = mid + 1 # On essaie une taille plus grande
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else:
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high = mid - 1 # On essaie une taille plus petite
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return best_size
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