# Copyright (c) 2013 ARM Limited | |

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# | |

# Authors: Andrew Bardsley | |

class Point(object): | |

"""2D point coordinates/size type""" | |

def __init__(self, x, y): | |

self.x = x | |

self.y = y | |

def __add__(self, rhs): | |

return Point(self.x + rhs.x, self.y + rhs.y) | |

def __sub__(self, rhs): | |

return Point(self.x - rhs.x, self.y - rhs.y) | |

def __mul__(self, rhs): | |

return Point(self.x * rhs.x, self.y * rhs.y) | |

def __div__(self, rhs): | |

return Point(float(self.x) / rhs.x, float(self.y) / rhs.y) | |

def scale(self, factor): | |

return Point(self.x * factor, self.y * factor) | |

def to_pair(self): | |

return (self.x, self.y) | |

def __str__(self): | |

return "Point(%f,%f)" % (self.x, self.y) | |

def __repr__(self): | |

return "Point(%f,%f)" % (self.x, self.y) | |

def is_within_box(self, box): | |

"""Is this point inside the (centre, size) box box""" | |

centre, size = box | |

half_size = size.scale(0.5) | |

top_left = centre - half_size | |

bottom_right = centre + half_size | |

return (top_left.x < self.x and | |

top_left.y < self.y and | |

bottom_right.x > self.x and | |

bottom_right.y > self.y) | |