56 lines
1.3 KiB
Python
56 lines
1.3 KiB
Python
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#!/usr/bin/env python
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"""How to use pygame with no windowing system, like on headless servers.
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Thumbnail generation with scaling is an example of what you can do with pygame.
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NOTE: the pygame scale function uses mmx/sse if available, and can be run
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in multiple threads.
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"""
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useage = """-scale inputimage outputimage new_width new_height
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eg. -scale in.png out.png 50 50
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"""
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import os, sys
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# set SDL to use the dummy NULL video driver,
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# so it doesn't need a windowing system.
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os.environ["SDL_VIDEODRIVER"] = "dummy"
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import pygame.transform
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if 1:
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#some platforms need to init the display for some parts of pygame.
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import pygame.display
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pygame.display.init()
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screen = pygame.display.set_mode((1,1))
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def scaleit(fin, fout, w, h):
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i = pygame.image.load(fin)
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if hasattr(pygame.transform, "smoothscale"):
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scaled_image = pygame.transform.smoothscale(i, (w,h))
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else:
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scaled_image = pygame.transform.scale(i, (w,h))
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pygame.image.save(scaled_image, fout)
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def main(fin, fout, w, h):
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"""smoothscale image file named fin as fout with new size (w,h)"""
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scaleit(fin, fout, w, h)
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if __name__ == "__main__":
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if "-scale" in sys.argv:
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fin, fout, w, h = sys.argv[2:]
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w, h = map(int, [w,h])
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main(fin, fout, w,h)
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else:
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print (useage)
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