/** * A two-dimensional array of boolean values, can be used to efficiently store a binary matrix (every matrix element takes only one bit) and query the values using natural cartesian coordinates. * */ declare class BitMap extends Resource { /** * A two-dimensional array of boolean values, can be used to efficiently store a binary matrix (every matrix element takes only one bit) and query the values using natural cartesian coordinates. * */ new(): BitMap; static "new"(): BitMap /** Creates a bitmap with the specified size, filled with [code]false[/code]. */ create(size: Vector2): void; /** Creates a bitmap that matches the given image dimensions, every element of the bitmap is set to [code]false[/code] if the alpha value of the image at that position is equal to [code]threshold[/code] or less, and [code]true[/code] in other case. */ create_from_image_alpha(image: Image, threshold?: float): void; /** Returns bitmap's value at the specified position. */ get_bit(position: Vector2): boolean; /** Returns bitmap's dimensions. */ get_size(): Vector2; /** Returns the amount of bitmap elements that are set to [code]true[/code]. */ get_true_bit_count(): int; /** Applies morphological dilation or erosion to the bitmap. If [code]pixels[/code] is positive, dilation is applied to the bitmap. If [code]pixels[/code] is negative, erosion is applied to the bitmap. [code]rect[/code] defines the area where the morphological operation is applied. Pixels located outside the [code]rect[/code] are unaffected by [method grow_mask]. */ grow_mask(pixels: int, rect: Rect2): void; /** No documentation provided. */ opaque_to_polygons(rect: Rect2, epsilon?: float): any[]; /** Sets the bitmap's element at the specified position, to the specified value. */ set_bit(position: Vector2, bit: boolean): void; /** Sets a rectangular portion of the bitmap to the specified value. */ set_bit_rect(rect: Rect2, bit: boolean): void; connect>(signal: T, method: SignalFunction): number; }