| # Copyright (c) 2013 ARM Limited |
| # All rights reserved |
| # |
| # The license below extends only to copyright in the software and shall |
| # not be construed as granting a license to any other intellectual |
| # property including but not limited to intellectual property relating |
| # to a hardware implementation of the functionality of the software |
| # licensed hereunder. You may use the software subject to the license |
| # terms below provided that you ensure that this notice is replicated |
| # unmodified and in its entirety in all distributions of the software, |
| # modified or unmodified, in source code or in binary form. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer; |
| # redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution; |
| # neither the name of the copyright holders nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| |
| 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 |
| ) |