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61 lines
1.6 KiB
Python
61 lines
1.6 KiB
Python
1 year ago
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#!/usr/bin/env python
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import time
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import sys
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from rgbmatrix import RGBMatrix, RGBMatrixOptions
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from PIL import Image
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if len(sys.argv) < 2:
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sys.exit("Require a gif argument")
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else:
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image_file = sys.argv[1]
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gif = Image.open(image_file)
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try:
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num_frames = gif.n_frames
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except Exception:
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sys.exit("provided image is not a gif")
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# Configuration for the matrix
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options = RGBMatrixOptions()
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options.rows = 32
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options.cols = 32
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options.chain_length = 1
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options.parallel = 1
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options.hardware_mapping = 'regular' # If you have an Adafruit HAT: 'adafruit-hat'
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matrix = RGBMatrix(options = options)
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# Preprocess the gifs frames into canvases to improve playback performance
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canvases = []
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print("Preprocessing gif, this may take a moment depending on the size of the gif...")
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for frame_index in range(0, num_frames):
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gif.seek(frame_index)
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# must copy the frame out of the gif, since thumbnail() modifies the image in-place
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frame = gif.copy()
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frame.thumbnail((matrix.width, matrix.height), Image.ANTIALIAS)
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canvas = matrix.CreateFrameCanvas()
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canvas.SetImage(frame.convert("RGB"))
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canvases.append(canvas)
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# Close the gif file to save memory now that we have copied out all of the frames
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gif.close()
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print("Completed Preprocessing, displaying gif")
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try:
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print("Press CTRL-C to stop.")
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# Infinitely loop through the gif
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cur_frame = 0
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while(True):
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matrix.SwapOnVSync(canvases[cur_frame], framerate_fraction=10)
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if cur_frame == num_frames - 1:
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cur_frame = 0
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else:
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cur_frame += 1
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except KeyboardInterrupt:
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sys.exit(0)
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