def boxRatioIsEqual(box: BoundingBox, aspectRatio: float):
"""Checks if a boxes aspect ratio is equal to the given aspect ratio.
Args:
box (BoundingBox): box to check aspect ratio for
aspectRatio (Tuple[int,int]): aspect ratio to check box against (width, height)
"""
diff = abs(box.aspectRatio() - aspectRatio)
return diff < epsilon
def getSizeFromRatio(boundingBox: BoundingBox,
aspectRatio: float) -> Tuple[float, float, bool]:
"""Given a bounding box and desired aspect ratio, this function calculates the closest pixel size (width and height) that
that is larger than the bounding box and at the correct aspect ratio.
Returns the width, height, and a boolean value indicating wheter the new aspect ratio is wider or not
Args:
BoundingBox (BoundingBox): bounding box representing the smallest size
aspectRatio (float): desired aspect ratio
Returns:
Tuple[float,float,bool]: width, height, isWider
"""
if boundingBox.aspectRatio(
) > aspectRatio: # The box is wider than we need
height = boundingBox.width() / aspectRatio
return boundingBox.width(), height, False
elif boundingBox.aspectRatio(
) < aspectRatio: # The box is taller than we need
width = boundingBox.height() * aspectRatio
return width, boundingBox.height(), True
