61 lines
2.5 KiB
Python
61 lines
2.5 KiB
Python
# Copyright (C) 2018 Michael Matthews
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#
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# This file is part of CutCraft.
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#
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# CutCraft is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# CutCraft is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with CutCraft. If not, see <http://www.gnu.org/licenses/>.
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from math import ceil, floor
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from .point import Point
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class Rectangle(object):
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""" Rectangle class defined by top-left and bottom-right Points. """
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def __init__(self, point1, point2):
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# Correct the input points in case they are not topleft, bottomright as expected.
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self.topleft = Point(min(point1.x, point2.x), min(point1.y, point2.y))
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self.bottomright = Point(max(point1.x, point2.x), max(point1.y, point2.y))
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return
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def size(self):
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# Calculate the size as: width, height.
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return self.bottomright.x-self.topleft.x, self.bottomright.y-self.topleft.y
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def area(self):
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width, height = self.size()
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return width*height
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def expanded(self):
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# Expand the current Rectangle out to integer boundary.
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return Rectangle(Point(floor(self.topleft.x), floor(self.topleft.y)),
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Point(ceil(self.bottomright.x), ceil(self.bottomright.y)))
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def svg(self):
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# Generate SVG string for this rectangle.
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ptx = [self.topleft.x, self.bottomright.x, self.bottomright.x, self.topleft.x]
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pty = [self.topleft.y, self.topleft.y, self.bottomright.y, self.bottomright.y]
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return "M {} {} ".format(ptx[0], pty[0]) + \
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" ".join(["L {} {}".format(x, y) for x, y in zip(ptx[1:], pty[1:])]) + \
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" L {} {}".format(ptx[0], pty[0])
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def __eq__(self, other):
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return (self.topleft == other.topleft and self.bottomright == other.bottomright )
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def __ne__(self, other):
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return (self.topleft != other.topleft or self.bottomright != other.bottomright)
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def __repr__(self):
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return "Rectangle(" + repr(self.topleft) + ", " + repr(self.bottomright) + ")"
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def __str__(self):
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return "(" + str(self.topleft) + ", " + str(self.bottomright) + ")"
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