def get_fitting(self, free_rect):
frx, fry = free_rect[DIM]
a, b = self.x, self.y
if a <= frx and b <= fry:
yield make_rect((0, a), (0, b))
if b <= frx and a <= fry:
yield make_rect((0, b), (0, a))
def __init__(self, width, height, free_rects=None):
self.width = width
self.height = height
if free_rects is None:
free_rects = [make_rect((0, width), (0, height))]
self.free_rects = free_rects
def random_rects(area_w=DEFAULT_AREA_W, area_h=DEFAULT_AREA_H, max_width=DEFAULT_AREA_W, max_height=DEFAULT_AREA_H, num=DEFAULT_RANDOM_NUM):
result = []
for _ in range(num):
while 1:
x1, x2 = sorted((random.randint(1, area_w), random.randint(1, area_w)))
if 0 < x2 - x1 <= max_width:
break
while 1:
y1, y2 = sorted((random.randint(1, area_h), random.randint(1, area_h)))
if 0 < y2 - y1 <= max_height:
break
result.append(make_rect((x1, x2), (y1, y2)))
return result
def random_rects(area_w=DEFAULT_AREA_W,
area_h=DEFAULT_AREA_H,
max_width=DEFAULT_AREA_W,
max_height=DEFAULT_AREA_H,
num=DEFAULT_RANDOM_NUM):
result = []
for _ in range(num):
while 1:
x1, x2 = sorted(
(random.randint(1, area_w), random.randint(1, area_w)))
if 0 < x2 - x1 <= max_width:
break
while 1:
y1, y2 = sorted(
(random.randint(1, area_h), random.randint(1, area_h)))
if 0 < y2 - y1 <= max_height:
break
result.append(make_rect((x1, x2), (y1, y2)))
return result
import random
from maxrect_pack.plotrect import plotrects
from maxrect_pack.rect import make_rect
import maxrect_pack.rect as rectangle
from maxrect_pack.recthelper import random_rects
random.seed(3)
WIDTH = 20
HEIGHT = 20
if __name__ == '__main__':
rects_free = make_rect((1, WIDTH), (1, HEIGHT))
rects_cut = random_rects(WIDTH, HEIGHT, 4, 4, 3)
for rc in rects_cut:
new_rects_free = []
for rf in rects_free:
if rectangle.overlap(rc, rf):
new_rects = rf.cut_off(rc)
if new_rects:
new_rects_free.extend(new_rects)
else:
new_rects_free.append(rf)
rects_free = new_rects_free
plotrects(*(rects_cut + rects_free), random_color=[0] * len(rects_cut) + [1] * len(rects_free), area_w=WIDTH, area_h=HEIGHT)
# plotrects(*(rects_cut),random_color=[0]*len(rects_cut), area_w=WIDTH, area_h=HEIGHT)
import random
from maxrect_pack.plotrect import plotrects
from maxrect_pack.rect import make_rect
import maxrect_pack.rect as rectangle
from maxrect_pack.recthelper import random_rects
random.seed(3)
WIDTH = 20
HEIGHT = 20
if __name__ == "__main__":
rects_free = make_rect((1, WIDTH), (1, HEIGHT))
rects_cut = random_rects(WIDTH, HEIGHT, 4, 4, 3)
for rc in rects_cut:
new_rects_free = []
for rf in rects_free:
if rectangle.overlap(rc, rf):
new_rects = rf.cut_off(rc)
if new_rects:
new_rects_free.extend(new_rects)
else:
new_rects_free.append(rf)
rects_free = new_rects_free
plotrects(
*(rects_cut + rects_free),