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fix(python): fix toif generation from grayscale

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This commit is contained in:
tychovrahe 2024-12-30 14:59:23 +01:00 committed by TychoVrahe
parent f10dc86da2
commit a8e5d471fe
1 changed files with 2 additions and 2 deletions
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4
python/src/trezorlib/toif.py
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@ -94,7 +94,7 @@ def _from_pil_grayscale(
data = bytearray()
for y in range(0, height):
for x in range(0, width & (width - 1), 2):
for x in range(0, width & ~1, 2):
i = y * width + x
left, right = pixels[i], pixels[i + 1]
@ -121,7 +121,7 @@ def _from_pil_grayscale_alpha(
) -> bytes:
data = bytearray()
for y in range(0, height):
for x in range(0, width & (width - 1), 2):
for x in range(0, width & ~1, 2):
i = y * width + x
left_w_alpha, right_w_alpha = pixels[i], pixels[i + 1]
left = int((left_w_alpha[0] * left_w_alpha[1]) / 255)