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Transpose images by height from 2bpp to png and width from png to 2bpp.

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Transposing non-square images would work over the expected width, rather than the current width (the expected height). This never came up since transposed images are typically square.
This commit is contained in:
yenatch
2014-04-19 02:40:11 -04:00
parent 698b0fc7e6
commit 9007b587a3
1 changed files with 6 additions and 1 deletions
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7
pokemontools/gfx.py
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@@ -67,6 +67,11 @@ def transpose(tiles, width=None):
12 13 14 15 16 17 03 09 0f 15 1b 21
18 19 1a 1b 1c 1d 04 0a 10 16 1c 22
1e 1f 20 21 22 23 05 0b 11 17 1d 23
00 01 02 03 00 04 08
04 05 06 07 <-> 01 05 09
08 09 0a 0b 02 06 0a
03 07 0b
"""
if width == None:
width = int(sqrt(len(tiles))) # assume square image
@@ -1377,7 +1382,7 @@ def convert_2bpp_to_png(image, **kwargs):
pic = []
for i in xrange(0, len(image) - trailing, pic_length):
pic += transpose_tiles(image[i:i+pic_length], w)
pic += transpose_tiles(image[i:i+pic_length], h)
image = ''.join(pic) + image[len(image) - trailing:]
# Pad out trailing lines.