import json from math import floor class PixelRect: def __init__(self, minX: int, minY: int, width: int, height: int): self.min_x = floor(minX) self.min_y = floor(minY) self.max_x = floor(minX + width) self.max_y = floor(minY + height) # Make width and height divisible by 4 width = int(width / 4) * 4 height = int(height / 4) * 4 @property def width(self): return self.max_x - self.min_x @property def height(self): return self.max_y - self.min_y def to_normalized_rect(self, width: int, height: int): return NormalizedRect(self.min_x / width, self.min_y / height, self.width / width, self.height / height) def String(self): return json.dumps(self, default=lambda o: o.__dict__, sort_keys=True) def Print(self, stream): stream.write(self.String()) class NormalizedRect: def __init__(self, minX: float, minY: float, width: float, height: float): self.min_x = minX self.min_y = minY width = max(width, 0) width = min(width, 1) self.max_x = self.min_x + width height = max(height, 0) height = min(height, 1) self.max_y = self.min_y + height def to_pixel_rect(self, width: int, height: int): xmin = self.min_x * width ymin = self.min_y * height width = self.width * width height = self.height * height return PixelRect(xmin, ymin, width, height) def union(self, x): if x.min_x >= 0: self.min_x = min(self.min_x, x.min_x) if x.min_y >= 0: self.min_y = min(self.min_y, x.min_y) if x.max_x <= 1: self.max_x = max(self.max_x, x.max_x) if x.max_y <= 1: self.max_y = max(self.max_y, x.max_y) def intersect(self, x): if x.min_x < 1: self.min_x = max(self.min_x, x.min_x) if x.min_y < 1: self.min_y = max(self.min_y, x.min_y) if x.max_x > 0: self.max_x = min(self.max_x, x.max_x) if x.max_y > 0: self.max_y = min(self.max_y, x.max_y) @property def width(self): return self.max_x - self.min_x @property def height(self): return self.max_y - self.min_y def String(self): return json.dumps(self, default=lambda o: o.__dict__, sort_keys=True) def Print(self, stream): stream.write(self.String())