def test_resize(width, height, left, top, right, bottom):
# sort the percents
top, bottom = sorted([top, bottom])
left, right = sorted([left, right])
left = get_percent(width, left)
right = get_percent(width, right)
top = get_percent(height, top)
bottom = get_percent(height, bottom)
# ignore 0 sized crops
if left == right or top == bottom:
return
# identity proprety
box = model.new_box(width, height, 0, 0, width, height)
id_box = model.resize(box, width, height)
assert id_box == box
# identity property with a crop
box = model.new_box(width, height, left, top, right, bottom)
box_size = size(box)
id_box = model.resize(box, box_size.width, box_size.height)
assert id_box == box
# inverse property
box = model.new_box(width, height, left, top, right, bottom)
box2 = model.resize(box, half(width), half(height))
box2_size = size(box2)
box2 = model.resize(box2,
double(box2_size.width),
double(box2_size.height),
)
def test_resize_crop(w,h,w1,h1,lp,tp,rp,bp):
l = choose(lp, 1, w1)
t = choose(tp, 1, h1)
r = choose(rp, l, w1)
b = choose(bp, t, h1)
l,r = sorted([l,r])
t,b = sorted([t,b])
# ignore 0 sized crops
if l == r or t == b:
return
box = model.crop(
model.resize(
model.box(w, h),
w1, h1
),
l,t,r,b,
)
def resize_cb(i, w, h):
return tresize(w,h,i)
def crop_cb(i, l,t,r,b):
return tcrop((l,t,r,b),i)
f = model.make_transformer(box, resize_cb, crop_cb)
x = f(tmodel(w,h))
m = tcrop(
(l,t,r,b),
tresize(
w1, h1,
tmodel(w,h)
)
)
compare(m,x)
