51 lines
1.3 KiB
Python
51 lines
1.3 KiB
Python
#!/usr/bin/env python
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""" pygame.examples.headless_no_windows_needed
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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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usage = """-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
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import 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 as pg
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# Some platforms need to init the display for some parts of pg.
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pg.display.init()
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screen = pg.display.set_mode((1, 1))
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def scaleit(fin, fout, w, h):
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i = pg.image.load(fin)
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if hasattr(pg.transform, "smoothscale"):
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scaled_image = pg.transform.smoothscale(i, (w, h))
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else:
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scaled_image = pg.transform.scale(i, (w, h))
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pg.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(usage)
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