def test_bin_selection(self):
# Check rectangles are packed into the bin with the best fittness
# score. In this case the one wasting less area.
p = packer.PackerBBF(pack_algo=guillotine.GuillotineBafSas,
rotation=False)
p.add_bin(10, 10)
p.add_bin(15, 15)
p.add_bin(55, 55)
p.add_bin(50, 50)
# First rectangle is packed into the first bin where it fits
p.add_rect(50, 30)
p.pack()
self.assertEqual(len(p), 1)
self.assertEqual(p[0].width, 55)
# Another bin is opened when it doesn't fit into first one
p.add_rect(50, 30)
p.pack()
self.assertEqual(len(p), 2)
self.assertEqual(p[1].width, 50)
# rectangle is placed into the bin with the best fitness, not
# the first one where it fits.
p.add_rect(20, 20)
p.pack()
self.assertEqual(len(p), 2)
self.assertTrue((1, 0, 30, 20, 20, None) in p.rect_list())
def test_skyline_bl(self):
s = packer.PackerBBF(pack_algo=skyline.SkylineBl,
sort_algo=packer.SORT_LSIDE,
rotation=True)
self.setup_packer(s)
s.pack()
s.validate_packing()
def test_maxrects_blsf(self):
m = packer.PackerBBF(pack_algo=maxrects.MaxRectsBlsf,
sort_algo=packer.SORT_LSIDE,
rotation=True)
self.setup_packer(m)
m.pack()
m.validate_packing()
def test_guillotine_baf_minas(self):
g = packer.PackerBBF(pack_algo=guillotine.GuillotineBafMinas,
sort_algo=packer.SORT_LSIDE,
rotation=True)
self.setup_packer(g)
g.pack()
g.validate_packing()
def test_guillotine_bssf_llas(self):
g = packer.PackerBBF(pack_algo=guillotine.GuillotineBssfLlas,
sort_algo=packer.SORT_SSIDE,
rotation=True)
self.setup_packer(g)
g.pack()
g.validate_packing()
def test_repack_rectangle_sort(self):
# check rectangles are sorted before a repack
p = packer.PackerBBF(rotation=False, sort_algo=packer.SORT_AREA)
p.add_bin(100, 100)
p.add_bin(90, 90)
p.add_bin(80, 80)
p.add_rect(70, 70)
p.add_rect(80, 80)
p.pack()
self.assertTrue((0, 0, 0, 80, 80, None) in p.rect_list())
self.assertTrue((1, 0, 0, 70, 70, None) in p.rect_list())
# add bigger rectangle and repack
p.add_rect(90, 90)
p.pack()
self.assertTrue((0, 0, 0, 90, 90, None) in p.rect_list())
self.assertTrue((1, 0, 0, 80, 80, None) in p.rect_list())
self.assertTrue((2, 0, 0, 70, 70, None) in p.rect_list())