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Separate the details of the bitmap packing from operations on the

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packed representation (diff, apply etc).  This allows the (D)HGRBitmap
classes to focus on the bitmap packing and share common logic.

Numpy has unfortunate long-standing bugs to do with type coercion of
np.uint64, which leads to spurious "incompatible type" warnings when
e.g. operating on a np.uint64 and some other integer type.  To work
around this we cast explicitly to np.uint64 everywhere.

Get tests working again - for now HGR tests in screen_test.py are
disabled until I finish implementing new packing.

HGRBitmap is still incomplete although closer.
This commit is contained in:
kris
2019-07-04 15:21:20 +01:00
parent 666272a8fc
commit 5c550d8524
6 changed files with 1131 additions and 859 deletions
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12
transcoder/colours_test.py
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@@ -7,7 +7,7 @@ HGRColours = colours.HGRColours
class TestColours(unittest.TestCase):
def test_int28_to_pixels(self):
def test_int34_to_pixels(self):
self.assertEqual(
(
HGRColours.BLACK,
@@ -38,9 +38,12 @@ class TestColours(unittest.TestCase):
HGRColours.BLACK,
HGRColours.BLACK,
HGRColours.BLACK,
HGRColours.BLACK,
HGRColours.BLACK,
HGRColours.BLACK
),
colours.int34_to_nominal_colour_pixels(
0b00000000000000000000111000000000, HGRColours
0b00000000000000000000111000000000, HGRColours, init_phase=0
)
)
@@ -73,10 +76,13 @@ class TestColours(unittest.TestCase):
HGRColours.BLACK,
HGRColours.BLACK,
HGRColours.BLACK,
HGRColours.BLACK,
HGRColours.BLACK,
HGRColours.BLACK,
HGRColours.BLACK
),
colours.int34_to_nominal_colour_pixels(
0b0000111100001111000011110000, HGRColours
0b0000111100001111000011110000, HGRColours, init_phase=0
)
)