61 lines
2.2 KiB
GDScript
61 lines
2.2 KiB
GDScript
class_name ImageTools
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static func get_color_coverage(image: Image, color: Color = Color.WHITE):
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var pixel_color_count = 0.
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for x in range(image.get_width()):
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for y in range(image.get_height()):
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if image.get_pixel(x, y) == color:
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pixel_color_count += 1.
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return pixel_color_count/(image.get_width()*image.get_height())
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static func draw_circle(image: Image, center: Vector2i, length: int, color: Color = Color.WHITE):
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for x in range(image.get_width()):
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for y in range(image.get_height()):
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var center_distance = Vector2i(x, y).distance_to(center)
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if (center_distance <= length):
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image.set_pixel(x, y, color)
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static func draw_gradient(image: Image, center: Vector2i, length: int, color: Color = Color.WHITE, inverse := false):
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for x in range(image.get_width()):
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for y in range(image.get_height()):
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var original_pixel_color = image.get_pixel(x, y)
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var center_distance = Vector2i(x, y).distance_to(center)
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if (center_distance == 0):
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if not inverse:
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image.set_pixel(x, y, original_pixel_color.blend(color))
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else:
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var color_to_add = Color(color, 1 / (center_distance / length)) if not inverse else Color(color, center_distance / length)
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image.set_pixel(
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x,
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y,
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original_pixel_color.blend(color_to_add)
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)
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static func flatten(image: Image, threshold := 0.5):
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for x in range(image.get_width()):
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for y in range(image.get_height()):
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var original_pixel_color = image.get_pixel(x, y)
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if original_pixel_color.r > threshold:
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image.set_pixel(
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x,
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y,
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Color.WHITE
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)
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else:
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image.set_pixel(
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x,
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y,
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Color.BLACK
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)
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static func copy(from: Image, to : Image):
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for x in range(from.get_width()):
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for y in range(from.get_height()):
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to.set_pixel(x, y, from.get_pixel(x, y))
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