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use Python3 #1

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20 changes: 10 additions & 10 deletions pyhq2x.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
#!/usr/bin/env python
#!/usr/bin/env python3

import Image
from PIL import Image

# Constants for indicating coordinates in a pixel's context
TOP_LEFT = 0
Expand All @@ -16,7 +16,7 @@
# There are eight flags: the cells in the context, skipping the center
context_flag = {}
cur_flag = 1
for i in xrange(9):
for i in range(9):
if i == CENTER:
continue
context_flag[i] = cur_flag
Expand Down Expand Up @@ -125,8 +125,8 @@ def get_px(x, y):

return sourcegrid[x, y]

for x in xrange(w):
for y in xrange(h):
for x in range(w):
for y in range(h):
# This is a flattened 3x3 grid with the current pixel in the
# middle; if the pixel is on an edge, the row/column in the void is
# just a copy of the edge
Expand All @@ -138,10 +138,10 @@ def get_px(x, y):

tl, tr, bl, br = hq2x_pixel(context)

destgrid[x * 2, y * 2] = tl
destgrid[x * 2 + 1, y * 2] = tr
destgrid[x * 2, y * 2 + 1] = bl
destgrid[x * 2 + 1, y * 2 + 1] = br
destgrid[x * 2, y * 2] = tuple(map(lambda x: int(x), tl))
destgrid[x * 2 + 1, y * 2] = tuple(map(lambda x: int(x), tr))
destgrid[x * 2, y * 2 + 1] = tuple(map(lambda x: int(x), bl))
destgrid[x * 2 + 1, y * 2 + 1] = tuple(map(lambda x: int(x), br))

return dest

Expand All @@ -162,7 +162,7 @@ def hq2x_pixel(context):
yuv_px = rgb_to_yuv(context[CENTER])

pattern = 0
for bit in xrange(9):
for bit in range(9):
if bit != CENTER and not yuv_equal(yuv_context[bit], yuv_px):
pattern = pattern | context_flag[bit]

Expand Down