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42 lines
973 B
Python
42 lines
973 B
Python
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#!/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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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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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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