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Diffstat (limited to 'util/minorview/point.py')
-rw-r--r-- | util/minorview/point.py | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/util/minorview/point.py b/util/minorview/point.py new file mode 100644 index 000000000..75097e2c2 --- /dev/null +++ b/util/minorview/point.py @@ -0,0 +1,78 @@ +# 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. +# +# 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) + |