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mightyscape-1.1-deprecated/extensions/cutcraft/core/rectangle.py
2020-07-31 13:46:07 +02:00

62 lines
2.5 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (C) 2018 Michael Matthews
#
# This file is part of CutCraft.
#
# CutCraft is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# CutCraft is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with CutCraft. If not, see <http://www.gnu.org/licenses/>.
from math import ceil, floor
from .point import Point
class Rectangle(object):
""" Rectangle class defined by top-left and bottom-right Points. """
def __init__(self, point1, point2):
# Correct the input points in case they are not topleft, bottomright as expected.
self.topleft = Point(min(point1.x, point2.x), min(point1.y, point2.y))
self.bottomright = Point(max(point1.x, point2.x), max(point1.y, point2.y))
return
def size(self):
# Calculate the size as: width, height.
return self.bottomright.x-self.topleft.x, self.bottomright.y-self.topleft.y
def area(self):
width, height = self.size()
return width*height
def expanded(self):
# Expand the current Rectangle out to integer boundary.
return Rectangle(Point(floor(self.topleft.x), floor(self.topleft.y)),
Point(ceil(self.bottomright.x), ceil(self.bottomright.y)))
def svg(self):
# Generate SVG string for this rectangle.
ptx = [self.topleft.x, self.bottomright.x, self.bottomright.x, self.topleft.x]
pty = [self.topleft.y, self.topleft.y, self.bottomright.y, self.bottomright.y]
return "M {} {} ".format(ptx[0], pty[0]) + \
" ".join(["L {} {}".format(x, y) for x, y in zip(ptx[1:], pty[1:])]) + \
" L {} {}".format(ptx[0], pty[0])
def __eq__(self, other):
return (self.topleft == other.topleft and self.bottomright == other.bottomright )
def __ne__(self, other):
return (self.topleft != other.topleft or self.bottomright != other.bottomright)
def __repr__(self):
return "Rectangle(" + repr(self.topleft) + ", " + repr(self.bottomright) + ")"
def __str__(self):
return "(" + str(self.topleft) + ", " + str(self.bottomright) + ")"