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gfx: Prefer heights not divisible by 8, rather than forcing them.

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Some images do not occupy a full tile.
In pokered, gfx/minimize_pic.1bpp is 8x5. This is still rectangular.

Previously, converting this image would cause an error.
This commit is contained in:
yenatch
2014-03-23 19:30:59 -04:00
parent 12d8bb11e8
commit b3e6867581
1 changed files with 4 additions and 2 deletions
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6
pokemontools/gfx.py
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@@ -1298,13 +1298,15 @@ def convert_2bpp_to_png(image, width=0, height=0, pal_file=None, tile_padding=0)
if width * height != num_pixels:
# look for possible combos of width/height that would form a rectangle
matches = []
# Height need not be divisible by 8, but width must.
# See pokered gfx/minimize_pic.1bpp.
for w in range(8, num_pixels / 2 + 1, 8):
h = num_pixels / w
if w * h == num_pixels and h % 8 == 0:
if w * h == num_pixels:
matches += [(w, h)]
# go for the most square image
if len(matches):
width, height = sorted(matches, key= lambda (w, h): w + h)[0] # favor height
width, height = sorted(matches, key= lambda (w, h): (h % 8 != 0, w + h))[0] # favor height
# if it still isn't rectangular then the image isn't made of tiles
if width * height != num_pixels: