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gfx: 1bpp-to-png

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also dont assume any dimension matches in png conversion
This commit is contained in:
yenatch 2013-11-18 05:08:38 -05:00
parent 2ffe762d17
commit a91b349823
1 changed files with 23 additions and 2 deletions
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25
pokemontools/gfx.py
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@ -1226,7 +1226,8 @@ def convert_2bpp_to_png(image, width=0, height=0, pal_file=None):
if w * h == num_pixels:
matches += [(w, h)]
# go for the most square image
width, height = sorted(matches, key= lambda (w, h): w + h)[0] # favor height
if len(matches):
width, height = sorted(matches, key= lambda (w, h): w + h)[0] # favor height
# if it still isn't rectangular then the image isn't made of tiles
if width * height != num_pixels:
@ -1408,9 +1409,26 @@ def convert_1bpp_to_2bpp(data):
"""
Convert 1bpp image data to planar 2bpp (black/white).
"""
return type(data)(byte for byte in data for _ in (0, 1))
output = []
for i in data:
output += [i, i]
return output
def export_1bpp_to_png(filename, fileout=None):
if fileout == None:
fileout = os.path.splitext(filename)[0] + '.png'
image = open(filename, 'rb').read()
image = convert_1bpp_to_2bpp(image)
width, height, palette, greyscale, bitdepth, px_map = convert_2bpp_to_png(image)
w = png.Writer(width, height, palette=palette, compression=9, greyscale=greyscale, bitdepth=bitdepth)
with open(fileout, 'wb') as f:
w.write(f, px_map)
def mass_to_png(debug=False):
# greyscale
@ -1429,6 +1447,9 @@ def mass_to_colored_png(debug=False):
if os.path.splitext(name)[1] == '.2bpp':
export_2bpp_to_png(os.path.join(root, name))
os.utime(os.path.join(root, name), None)
elif os.path.splitext(name)[1] == '.1bpp':
export_1bpp_to_png(os.path.join(root, name))
os.utime(os.path.join(root, name), None)
# only monster and trainer pics for now
for root, dirs, files in os.walk('./gfx/pics/'):