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57 lines
1.5 KiB
GDScript
57 lines
1.5 KiB
GDScript
class_name BaseCel
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extends Reference
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# Base class for cel properties.
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# The term "cel" comes from "celluloid" (https://en.wikipedia.org/wiki/Cel).
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var opacity: float
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var image_texture: ImageTexture
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# If the cel is linked a ref to the link set Dictionary this cel is in, or null if not linked:
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var link_set = null # { "cels": Array, "hue": float } or null
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var transformed_content: Image # Used in transformations (moving, scaling etc with selections)
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# Methods to Override:
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# The content methods deal with the unique content of each cel type. For example, an Image for
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# PixelLayers, or a Dictionary of settings for a procedural layer type, and null for Groups.
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# Can be used for linking/unlinking cels, copying, and deleting content
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func get_content():
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return null
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func set_content(_content, _texture: ImageTexture = null) -> void:
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return
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# Can be used to delete the content of the cel with set_content
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# (using the old content from get_content as undo data)
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func create_empty_content():
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return []
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# Can be used for creating copy content for copying cels or unlinking cels
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func copy_content():
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return []
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# Returns the image var for image based cel types, or a render for procedural types.
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# It's meant for read-only usage of image data, such as copying selections or color picking.
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func get_image() -> Image:
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return null
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func update_texture() -> void:
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return
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func save_image_data_to_pxo(_file: File) -> void:
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return
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func load_image_data_from_pxo(_file: File, _project_size: Vector2) -> void:
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return
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func instantiate_cel_button() -> Node:
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return null
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