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https://github.com/KrisKennaway/ii-vision.git
synced 2024-08-31 14:29:14 +00:00
Remove commented out code
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5c550d8524
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740dafbd74
@ -267,14 +267,6 @@ class Bitmap:
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self.packed[page, offset - 1],
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self.packed[page, offset]
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)
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# # Need to also update the 3-bit footer of the preceding column
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# self.packed[page, packed_offset - 1] &= np.uint64(2 ** 31 - 1)
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#
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# self.packed[page, packed_offset - 1] ^= (
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# (self.packed[page, packed_offset] & np.uint64(0b111 << 3))
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# << np.uint64(28)
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# )
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elif byte_offset == (self.SCREEN_BYTES - 1) and offset < 127:
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# Need to also update the 3-bit header of the next column
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self.packed[page, offset + 1] = self._fix_column_right(
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@ -282,14 +274,6 @@ class Bitmap:
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self.packed[page, offset]
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)
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# self.packed[page, offset + 1] &= np.uint64(
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# (2 ** 31 - 1) << 3)
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#
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# self.packed[page, offset + 1] ^= (
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# (self.packed[page, offset] & np.uint64(0b111 << 28))
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# >> np.uint64(28)
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# )
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def _fix_column_left(
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self,
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column_left: IntOrArray,
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@ -324,25 +308,11 @@ class Bitmap:
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# Need to also update the 3-bit footer of the preceding column
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shifted_left = np.roll(ary, -1, axis=1)
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self._fix_column_left(ary, shifted_left)
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#
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# # Mask out all footers
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# ary &= np.uint64(2 ** 31 - 1)
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#
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# shifted_left = np.roll(ary, -1, axis=1)
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# ary ^= self._make_footer(shifted_left)
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# new ^= (shifted & np.uint64(0b111 << 3)) << np.uint64(28)
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elif byte_offset == 3:
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# Need to also update the 3-bit header of the next column
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shifted_right = np.roll(ary, 1, axis=1)
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self._fix_column_right(ary, shifted_right)
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#
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# # Mask out all headers
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# ary &= np.uint64((2 ** 31 - 1) << 3)
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#
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# shifted_right = np.roll(ary, 1, axis=1)
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# ary ^= self._make_header(shifted_right)
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# # new ^= (shifted & np.uint64(0b111 << 28)) >> np.uint64(28)
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@functools.lru_cache(None)
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def edit_distances(self, palette_id: pal.Palette) -> List[np.ndarray]:
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@ -424,79 +394,8 @@ class Bitmap:
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) -> np.ndarray:
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# TODO: use error edit distance
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# XXX reuse code
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#
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# diff = np.ndarray((32, 256), dtype=np.int)
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#
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# if is_aux:
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# offsets = [0, 2]
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# else:
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# offsets = [1, 3]
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#
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# # TODO: extract into parent class
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# dists = []
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# for o in offsets:
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# # Pixels influenced by byte offset o
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# source_pixels = self.mask_and_shift_data(
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# self.masked_update_array(0, self.packed, content), o)
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# target_pixels = self.mask_and_shift_data(self.packed, o)
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#
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# # Concatenate 13-bit source and target into 26-bit values
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# pair = (source_pixels << np.uint64(self.MASKED_BITS)) + target_pixels
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# dist = self.edit_distances(self.palette)[o][pair].reshape(
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# pair.shape)
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# dists.append(dist)
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#
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# diff[:, 0::2] = dists[0]
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# diff[:, 1::2] = dists[1]
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diff = self._diff_weights(self.packed, is_aux, content)
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#
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#
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# if is_aux:
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# # Pixels influenced by byte offset 0
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# source_pixels0 = self.mask_and_shift_data(
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# self.masked_update_array(0, self.packed, content), 0)
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# target_pixels0 = self.mask_and_shift_data(self.packed, 0)
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#
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# # Concatenate 13-bit source and target into 26-bit values
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# pair0 = (source_pixels0 << np.uint64(13)) + target_pixels0
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# dist0 = self.edit_distances(self.palette)[0][pair0].reshape(
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# pair0.shape)
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#
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# # Pixels influenced by byte offset 2
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# source_pixels2 = self.mask_and_shift_data(
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# self.masked_update_array(2, self.packed, content), 2)
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# target_pixels2 = self.mask_and_shift_data(self.packed, 2)
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# # Concatenate 13-bit source and target into 26-bit values
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# pair2 = (source_pixels2 << np.uint64(13)) + target_pixels2
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# dist2 = self.edit_distances(self.palette)[2][pair2].reshape(
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# pair2.shape)
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#
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# diff[:, 0::2] = dist0
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# diff[:, 1::2] = dist2
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#
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# else:
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# # Pixels influenced by byte offset 1
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# source_pixels1 = self.mask_and_shift_data(
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# self.masked_update_array(1, self.packed, content), 1)
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# target_pixels1 = self.mask_and_shift_data(self.packed, 1)
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# pair1 = (source_pixels1 << np.uint64(13)) + target_pixels1
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# dist1 = self.edit_distances(self.palette)[1][pair1].reshape(
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# pair1.shape)
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#
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# # Pixels influenced by byte offset 3
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# source_pixels3 = self.mask_and_shift_data(
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# self.masked_update_array(3, self.packed, content), 3)
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# target_pixels3 = self.mask_and_shift_data(self.packed, 3)
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# pair3 = (source_pixels3 << np.uint64(13)) + target_pixels3
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# dist3 = self.edit_distances(self.palette)[3][pair3].reshape(
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# pair3.shape)
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#
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# diff[:, 0::2] = dist1
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# diff[:, 1::2] = dist3
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# TODO: try different weightings
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return (diff * 5) - old
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@ -752,24 +651,6 @@ class DHGRBitmap(Bitmap):
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return offsets
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#
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# # XXX test
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# @staticmethod
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# def masked_update_scalar(
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# byte_offset: int,
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# old_value: np.uint64,
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# new_value: np.uint8) -> np.uint64:
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# # Mask out 7-bit value where update will go
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# masked_value = old_value & (
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# ~np.uint64(0x7f << (7 * byte_offset + 3)))
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#
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# update = (new_value & np.uint64(0x7f)) << np.uint64(
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# 7 * byte_offset + 3)
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#
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# new = masked_value ^ update
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# return new
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# XXX test
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@staticmethod
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def masked_update(
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byte_offset: int,
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