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author | Elliott Hughes <enh@google.com> | 2016-04-22 01:16:19 +0200 |
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committer | android-build-merger <android-build-merger@google.com> | 2016-04-22 01:16:19 +0200 |
commit | 87b0654f00d84b91cb42289a6229a8682831ed41 (patch) | |
tree | a3ed720414d0068cea8c5f1dee6b9573ff47e927 /interlace-frames.py | |
parent | Merge "Regenerate background text imgs in recovery" into nyc-dev (diff) | |
parent | Go back to the old ear-wiggling Android animation. (diff) | |
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Diffstat (limited to '')
-rwxr-xr-x[-rw-r--r--] | interlace-frames.py | 62 |
1 files changed, 48 insertions, 14 deletions
diff --git a/interlace-frames.py b/interlace-frames.py index 3e777b470..6b435aa90 100644..100755 --- a/interlace-frames.py +++ b/interlace-frames.py @@ -1,3 +1,4 @@ +#!/usr/bin/env python # Copyright (C) 2014 The Android Open Source Project # # Licensed under the Apache License, Version 2.0 (the "License"); @@ -13,19 +14,16 @@ # limitations under the License. """ -Script to take a set of frames (PNG files) for a recovery animation and turn -it into a single output image which contains the input frames interlaced by -row. Run with the names of all the input frames on the command line. Specify -the name of the output file with -o (or --output), and optionally specify the -number of frames per second (FPS) with --fps (default: 20). - -e.g. -interlace-frames.py --fps 20 --output output.png frame0.png frame1.png frame3.png +Script to take a set of frames (PNG files) for a recovery animation +and turn it into a single output image which contains the input frames +interlaced by row. Run with the names of all the input frames on the +command line, in order, followed by the name of the output file. """ from __future__ import print_function import argparse +import os.path import sys try: import Image @@ -35,7 +33,7 @@ except ImportError: sys.exit(1) -def interlace(output, fps, inputs): +def interlace(output, inputs): frames = [Image.open(fn).convert("RGB") for fn in inputs] assert len(frames) > 0, "Must have at least one input frame." sizes = set() @@ -60,21 +58,57 @@ def interlace(output, fps, inputs): meta = PngImagePlugin.PngInfo() meta.add_text("Frames", str(N)) - meta.add_text("FPS", str(fps)) out.save(output, pnginfo=meta) +def deinterlace(output, input): + # Truncate the output filename extension if it's '.png'. + if os.path.splitext(output)[1].lower() == '.png': + output = output[:-4] + + img2 = Image.open(input) + print(img2.mode) + palette = img2.getpalette() + img = img2.convert("RGB") + num_frames = int(img.info.get('Frames', 1)) + print('Found %d frames in %s.' % (num_frames, input)) + assert num_frames > 0, 'Invalid Frames meta.' + + # palette = img.getpalette() + print(palette) + + width, height = img.size + height /= num_frames + for k in range(num_frames): + out = Image.new('RGB', (width, height)) + out.info = img.info + for i in range(width): + for j in range(height): + out.putpixel((i, j), img.getpixel((i, j * num_frames + k))) + # out.putpalette(img.getpalette(), rawmode='RGB') + out2 = out.convert(mode='P', palette=palette) + #out2 = out + print(out2.mode) + # out2.putpalette(palette) + filename = '%s%02d.png' % (output, k) + out2.save(filename) + print('Frame %d written to %s.' % (k, filename)) + + def main(argv): - parser = argparse.ArgumentParser() - parser.add_argument('--fps', default=20) + parser = argparse.ArgumentParser(description='Parse') + parser.add_argument('--deinterlace', '-d', action='store_true') parser.add_argument('--output', '-o', required=True) parser.add_argument('input', nargs='+') args = parser.parse_args(argv) - interlace(args.output, args.fps, args.input) + if args.deinterlace: + # args.input is a list, and we only process the first when deinterlacing. + deinterlace(args.output, args.input[0]) + else: + interlace(args.output, args.input) if __name__ == '__main__': main(sys.argv[1:]) - |