62 lines
1.7 KiB
Python
62 lines
1.7 KiB
Python
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#!/usr/bin/env python3
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import os
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import struct
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from flipper.app import App
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from flipper.assets.icon import file2image
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class Main(App):
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MAGIC = 0x72676468
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VERSION = 1
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def init(self):
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self.parser.add_argument("-i", "--input", help="input folder", required=True)
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self.parser.add_argument("-o", "--output", help="output file", required=True)
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self.parser.set_defaults(func=self.pack)
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def pack(self):
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if not os.path.exists(self.args.input):
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self.logger.error(f'"{self.args.input}" does not exist')
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return 1
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file_idx = 0
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images = []
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while True:
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frame_filename = os.path.join(self.args.input, f"frame_{file_idx:02}.png")
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if not os.path.exists(frame_filename):
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break
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self.logger.debug(f"working on {frame_filename}")
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try:
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images.append(file2image(frame_filename))
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self.logger.debug(f"Processed frame #{file_idx}")
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file_idx += 1
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except Exception as e:
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self.logger.error(e)
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break
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widths = set(img.width for img in images)
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heights = set(img.height for img in images)
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if len(widths) != 1 or len(heights) != 1:
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self.logger.error("All images must have same dimensions!")
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return 2
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data = struct.pack(
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"<IBBBB", self.MAGIC, self.VERSION, widths.pop(), heights.pop(), len(images)
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)
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for image in images:
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data += struct.pack("<H", len(image.data))
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data += image.data
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with open(self.args.output, mode="wb") as file:
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file.write(data)
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return 0
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if __name__ == "__main__":
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Main()()
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