87 lines
3.6 KiB
Python
87 lines
3.6 KiB
Python
"""This script tests QGF functionality.
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"""
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import re
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import datetime
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from io import BytesIO
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from qmk.path import normpath
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from qmk.painter import render_header, render_source, render_license, render_bytes, valid_formats
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from milc import cli
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from PIL import Image
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@cli.argument('-v', '--verbose', arg_only=True, action='store_true', help='Turns on verbose output.')
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@cli.argument('-i', '--input', required=True, help='Specify input graphic file.')
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@cli.argument('-o', '--output', default='', help='Specify output directory. Defaults to same directory as input.')
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@cli.argument('-f', '--format', required=True, help='Output format, valid types: %s' % (', '.join(valid_formats.keys())))
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@cli.argument('-r', '--no-rle', arg_only=True, action='store_true', help='Disables the use of RLE when encoding images.')
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@cli.argument('-d', '--no-deltas', arg_only=True, action='store_true', help='Disables the use of delta frames when encoding animations.')
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@cli.subcommand('Converts an input image to something QMK understands')
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def painter_convert_graphics(cli):
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"""Converts an image file to a format that Quantum Painter understands.
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This command uses the `qmk.painter` module to generate a Quantum Painter image defintion from an image. The generated definitions are written to a files next to the input -- `INPUT.c` and `INPUT.h`.
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"""
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# Work out the input file
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if cli.args.input != '-':
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cli.args.input = normpath(cli.args.input)
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# Error checking
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if not cli.args.input.exists():
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cli.log.error('Input image file does not exist!')
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cli.print_usage()
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return False
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# Work out the output directory
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if len(cli.args.output) == 0:
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cli.args.output = cli.args.input.parent
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cli.args.output = normpath(cli.args.output)
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# Ensure we have a valid format
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if cli.args.format not in valid_formats.keys():
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cli.log.error('Output format %s is invalid. Allowed values: %s' % (cli.args.format, ', '.join(valid_formats.keys())))
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cli.print_usage()
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return False
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# Work out the encoding parameters
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format = valid_formats[cli.args.format]
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# Load the input image
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input_img = Image.open(cli.args.input)
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# Convert the image to QGF using PIL
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out_data = BytesIO()
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input_img.save(out_data, "QGF", use_deltas=(not cli.args.no_deltas), use_rle=(not cli.args.no_rle), qmk_format=format, verbose=cli.args.verbose)
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out_bytes = out_data.getvalue()
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# Work out the text substitutions for rendering the output data
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subs = {
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'generated_type': 'image',
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'var_prefix': 'gfx',
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'generator_command': f'qmk painter-convert-graphics -i {cli.args.input.name} -f {cli.args.format}',
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'year': datetime.date.today().strftime("%Y"),
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'input_file': cli.args.input.name,
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'sane_name': re.sub(r"[^a-zA-Z0-9]", "_", cli.args.input.stem),
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'byte_count': len(out_bytes),
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'bytes_lines': render_bytes(out_bytes),
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'format': cli.args.format,
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}
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# Render the license
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subs.update({'license': render_license(subs)})
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# Render and write the header file
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header_text = render_header(subs)
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header_file = cli.args.output / (cli.args.input.stem + ".qgf.h")
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with open(header_file, 'w') as header:
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print(f"Writing {header_file}...")
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header.write(header_text)
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header.close()
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# Render and write the source file
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source_text = render_source(subs)
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source_file = cli.args.output / (cli.args.input.stem + ".qgf.c")
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with open(source_file, 'w') as source:
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print(f"Writing {source_file}...")
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source.write(source_text)
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source.close()
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