def test_all_modes_correctness(self):
"""Test that all modes work the way they advertise"""
# Test each mode in turn
for mode in xrange(mypaintlib.NumCombineModes):
mode_info = mypaintlib.combine_mode_get_info(mode)
mode_name = mode_info["name"]
src = self.src
dst = np.empty((N, N, 4), dtype='uint16')
dst[...] = self.dst_orig[...]
# Combine using the current mode
mypaintlib.tile_combine(mode, src, dst, True, 1.0)
# Tests
zero_alpha_has_effect = False
zero_alpha_clears_backdrop = True # means: "*always* clears b."
can_decrease_alpha = False
for i in xrange(len(self.sample_data)):
for j in xrange(len(self.sample_data)):
old = tuple(self.dst_orig[i, j])
new = tuple(dst[i, j])
if src[i][j][3] == 0:
if new[3] != 0 and old[3] != 0:
zero_alpha_clears_backdrop = False
if old != new:
zero_alpha_has_effect = True
if (not can_decrease_alpha) and (new[3] < old[3]):
can_decrease_alpha = True
self.assertFalse(
(new[0] > new[3] or new[1] > new[3]
or new[2] > new[3]),
msg="%s isn't writing premultiplied data properly" %
(mode_name, ),
)
self.assertFalse(
(new[0] > FIX15_ONE or new[1] > FIX15_ONE
or new[2] > FIX15_ONE or new[3] > FIX15_ONE),
msg="%s isn't writing fix15 data properly" %
(mode_name, ),
)
flag_test_results = [
("zero_alpha_has_effect", zero_alpha_has_effect),
("zero_alpha_clears_backdrop", zero_alpha_clears_backdrop),
("can_decrease_alpha", can_decrease_alpha),
]
for info_str, tested_value in flag_test_results:
current_value = bool(mode_info[info_str])
self.assertEqual(
current_value,
tested_value,
msg="%s's %r is wrong: should be %r, not %r" %
(mode_name, info_str, tested_value, current_value),
)
self.assertTrue(
mode in MODE_STRINGS,
msg="%s needs localizable UI strings" % (mode_name, ),
)
def test_all_modes_correctness(self):
"""Test that all modes work the way they advertise"""
# Test each mode in turn
for mode in xrange(mypaintlib.NumCombineModes):
mode_info = mypaintlib.combine_mode_get_info(mode)
mode_name = mode_info["name"]
src = self.src
dst = np.empty((N, N, 4), dtype='uint16')
dst[...] = self.dst_orig[...]
# Combine using the current mode
mypaintlib.tile_combine(mode, src, dst, True, 1.0)
# Tests
zero_alpha_has_effect = False
zero_alpha_clears_backdrop = True # means: "*always* clears b."
can_decrease_alpha = False
for i in xrange(len(self.sample_data)):
for j in xrange(len(self.sample_data)):
old = tuple(self.dst_orig[i, j])
new = tuple(dst[i, j])
if src[i][j][3] == 0:
if new[3] != 0 and old[3] != 0:
zero_alpha_clears_backdrop = False
if old != new:
zero_alpha_has_effect = True
if (not can_decrease_alpha) and (new[3] < old[3]):
can_decrease_alpha = True
self.assertFalse(
(new[0] > new[3] or
new[1] > new[3] or
new[2] > new[3]),
msg="%s isn't writing premultiplied data properly"
% (mode_name,),
)
self.assertFalse(
(new[0] > FIX15_ONE or new[1] > FIX15_ONE or
new[2] > FIX15_ONE or new[3] > FIX15_ONE),
msg="%s isn't writing fix15 data properly"
% (mode_name,),
)
flag_test_results = [
("zero_alpha_has_effect", zero_alpha_has_effect),
("zero_alpha_clears_backdrop", zero_alpha_clears_backdrop),
("can_decrease_alpha", can_decrease_alpha),
]
for info_str, tested_value in flag_test_results:
current_value = bool(mode_info[info_str])
self.assertEqual(
current_value, tested_value,
msg="%s's %r is wrong: should be %r, not %r"
% (mode_name, info_str, tested_value, current_value),
)
self.assertTrue(
mode in MODE_STRINGS,
msg="%s needs localizable UI strings" % (mode_name,),
)
assert b1 <= a1
for j in xrange(len(SAMPLE_DATA)):
src[i, j, :] = (r1, g1, b1, a1)
dst_orig[j, i, :] = (r1, g1, b1, a1)
# Test each mode in turn
for mode in xrange(mypaintlib.NumCombineModes):
mode_info = mypaintlib.combine_mode_get_info(mode)
mode_name = mode_info["name"]
print mode_name,
dst = numpy.empty((N, N, 4), dtype='uint16')
dst[...] = dst_orig[...]
# Combine using the current mode
mypaintlib.tile_combine(mode, src, dst, True, 1.0)
# Tests
all_ok = True
zero_alpha_has_effect = False
can_decrease_alpha = False
for i in xrange(len(SAMPLE_DATA)):
for j in xrange(len(SAMPLE_DATA)):
old = tuple(dst_orig[i, j])
new = tuple(dst[i, j])
if (not zero_alpha_has_effect) and (src[i][j][3] == 0):
if old != new:
zero_alpha_has_effect = True
if (not can_decrease_alpha) and (new[3] < old[3]):
can_decrease_alpha = True
if all_ok:
assert b1 <= a1
for j in xrange(len(SAMPLE_DATA)):
src[i, j, :] = (r1, g1, b1, a1)
dst_orig[j, i, :] = (r1, g1, b1, a1)
# Test each mode in turn
for mode in xrange(mypaintlib.NumCombineModes):
mode_info = mypaintlib.combine_mode_get_info(mode)
mode_name = mode_info["name"]
print mode_name,
dst = numpy.empty((N, N, 4), dtype='uint16')
dst[...] = dst_orig[...]
# Combine using the current mode
mypaintlib.tile_combine(mode, src, dst, True, 1.0)
# Tests
all_ok = True
zero_alpha_has_effect = False
can_decrease_alpha = False
for i in xrange(len(SAMPLE_DATA)):
for j in xrange(len(SAMPLE_DATA)):
old = tuple(dst_orig[i, j])
new = tuple(dst[i, j])
if (not zero_alpha_has_effect) and (src[i][j][3] == 0):
if old != new:
zero_alpha_has_effect = True
if (not can_decrease_alpha) and (new[3] < old[3]):
can_decrease_alpha = True
if all_ok:
