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43 lines
1.0 KiB
43 lines
1.0 KiB
#!/usr/bin/env python |
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# W.J. van der Laan, 2011 |
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# Make spinning .mng animation from a .png |
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# Requires imagemagick 6.7+ |
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from __future__ import division |
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from os import path |
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from PIL import Image |
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from subprocess import Popen |
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SRC='img/reload_scaled.png' |
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DST='../../src/qt/res/movies/update_spinner.mng' |
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TMPDIR='/tmp' |
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TMPNAME='tmp-%03i.png' |
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NUMFRAMES=35 |
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FRAMERATE=10.0 |
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CONVERT='convert' |
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CLOCKWISE=True |
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DSIZE=(16,16) |
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im_src = Image.open(SRC) |
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if CLOCKWISE: |
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im_src = im_src.transpose(Image.FLIP_LEFT_RIGHT) |
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def frame_to_filename(frame): |
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return path.join(TMPDIR, TMPNAME % frame) |
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frame_files = [] |
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for frame in xrange(NUMFRAMES): |
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rotation = (frame + 0.5) / NUMFRAMES * 360.0 |
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if CLOCKWISE: |
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rotation = -rotation |
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im_new = im_src.rotate(rotation, Image.BICUBIC) |
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im_new.thumbnail(DSIZE, Image.ANTIALIAS) |
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outfile = frame_to_filename(frame) |
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im_new.save(outfile, 'png') |
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frame_files.append(outfile) |
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p = Popen([CONVERT, "-delay", str(FRAMERATE), "-dispose", "2"] + frame_files + [DST]) |
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p.communicate() |
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