def test_intersection():
r1 = rectangle(0, 0, 100, 100)
r2 = rectangle(50, 50, 200, 200)
i = r1.intersection_rect(r2)
assert i.x==50 and i.y==50 and i.width==50 and i.height==50
i2 = r2.intersection_rect(r1)
assert i2==i
r3 = rectangle(100, 100, 50, 50)
i = r2.intersection_rect(r3)
assert i==r3
r4 = rectangle(0, 0, 10, 10)
i = r3.intersection_rect(r4)
assert i is None
def test_substract():
# ########## ##########
# # # ##########
# # # ##########
# # # ##########
# # ## # -> + #### + #### +
# # ## # #### ####
# # # ##########
# # # ##########
# # # ##########
# ########## ##########
r = rectangle(0, 0, 100, 100)
sub = rectangle(40, 40, 20, 20)
l = r.substract_rect(sub)
assert len(l)==4
#verify total area has not changed:
total = r.width*r.height
assert total == sum([r.width*r.height for r in (l+[sub])])
assert rectangle(0, 0, 100, 40) in l
assert rectangle(0, 40, 40, 20) in l
assert rectangle(0, 40, 40, 20) in l
# at (0,0)
# ##########
# # #
# # #
# # #
# # # at (50, 50)
# # # ##########
# # # # #
# # # - # #
# # # # #
# ########## # #
# # #
# # #
# # #
# # #
# ##########
r = rectangle(0, 0, 100, 100)
sub = rectangle(50, 50, 100, 100)
l = r.substract_rect(sub)
assert len(l)==2
assert rectangle(0, 0, 100, 50) in l
assert rectangle(0, 50, 50, 50) in l
assert rectangle(200, 200, 0, 0) not in l
#!/usr/bin/env python
# coding=utf8
# This file is part of Xpra.
# Copyright (C) 2014 Antoine Martin <*****@*****.**>
# Xpra is released under the terms of the GNU GPL v2, or, at your option, any
# later version. See the file COPYING for details.
from xpra.gtk_common.region import rectangle
R1 = rectangle(0, 0, 20, 20)
R2 = rectangle(0, 0, 20, 20)
R3 = rectangle(0, 0, 40, 40)
R4 = rectangle(10, 10, 50, 50)
R5 = rectangle(100, 100, 100, 100)
def test_eq():
assert R1==R2
assert R1!=R3
assert R2!=R3
def test_merge():
r1 = R1.clone()
r1.merge_rect(R4)
assert r1.x==0 and r1.x==0 and r1.width==60 and r1.height==60
r2 = R2.clone()
r2.merge_rect(R5)
assert r2.x==0 and r2.y==0 and r2.width==200 and r2.height==200
def test_intersection():
r1 = rectangle(0, 0, 100, 100)