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48 lines
1.1 KiB
Python
48 lines
1.1 KiB
Python
"""
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Creates a header file containing image data.
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"""
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import click
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import pathlib
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h_file_template = """\
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// clang-format off
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unsigned char {name}_jpg[] = {content};
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unsigned int {name}_jpg_len = {length};
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"""
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@click.command()
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@click.argument("infile", type=click.File("rb"))
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def convert(infile):
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path = pathlib.Path(infile.name)
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img_name = path.stem
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h_file_name = path.with_suffix(".h")
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image_data = infile.read()
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column_count = 12
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content = "{{\n{image_bytes}\n}}"
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image_bytes = " " # begin with indent
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for index, byte in enumerate(image_data, start=1):
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image_bytes += f"0x{byte:02x},"
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# If at the end of line, include a newline with indent, otherwise just space
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if index % column_count == 0:
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image_bytes += "\n "
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else:
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image_bytes += " "
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# Get rid of trailing coma
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image_bytes = image_bytes.rstrip(", \n")
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with open(h_file_name, "w") as f:
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f.write(h_file_template.format(name=img_name, content=content.format(image_bytes=image_bytes), length=len(image_data)))
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if __name__ == "__main__":
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convert()
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