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96 lines
2.4 KiB
Python
96 lines
2.4 KiB
Python
from __future__ import print_function, division
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import os
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from PIL import Image
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from punyverse.texture import max_texture_size
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max_texture = max_texture_size()
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def resize(width, height, target):
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factor = target / max(width, height)
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return int(width * factor), int(height * factor)
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def fits(width, height):
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return width <= max_texture and height <= max_texture
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def make_name(image, suffix):
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name, ext = os.path.splitext(image)
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return '%s_%s%s' % (name, suffix, ext)
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def shrink(file):
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image = Image.open(file)
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width, height = image.size
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if fits(width, height):
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print('no need')
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return
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for attempt, new_size in [(4096, 'large'), (2048, 'medium')]:
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width, height = resize(width, height, attempt)
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if fits(width, height):
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size = new_size
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break
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else:
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width, height = resize(width, height, 1024) # 1024 is minimum
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size = 'small'
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print('size %s, %dx%d...' % (size, width, height), end=' ')
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name = make_name(file, size)
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if not os.path.exists(name):
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original_width, original_height = image.size
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if width * 3 < original_width and height * 3 < original_height:
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image = image.resize((width * 2, height * 2))
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image.resize((width, height), Image.ANTIALIAS).save(name)
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print('saved to:', os.path.basename(name))
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else:
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print('already there')
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textures = [
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'mercury.jpg',
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'earth.jpg',
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'moon.jpg',
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'mars.jpg',
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'jupiter.jpg',
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'saturn.jpg',
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'moons/io.jpg',
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'moons/europa.jpg',
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'moons/ganymede.jpg',
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'moons/callisto.jpg',
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'moons/titan.jpg',
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'moons/rhea.jpg',
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'moons/iapetus.jpg',
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'moons/dione.jpg',
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'moons/tethys.jpg',
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'moons/enceladus.jpg',
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'moons/mimas.jpg',
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]
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def main():
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punyverse = os.path.dirname(__file__)
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try:
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with open(os.path.join(punyverse, 'assets', 'textures.txt')) as f:
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files = [i.strip() for i in f if not i.startswith('#') and i.strip()]
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except IOError:
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files = textures
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texture = os.path.join(punyverse, 'assets', 'textures')
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for file in files:
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print('Resizing %s:' % file, end=' ')
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file = os.path.join(texture, file.replace('/', os.sep))
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if os.path.exists(file):
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shrink(file)
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else:
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print('exists not')
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if __name__ == '__main__':
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main()
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