keyboard stuff
1"""This script tests QGF functionality.
2"""
3from io import BytesIO
4from qmk.path import normpath
5from qmk.painter import generate_subs, render_header, render_source, valid_formats
6from milc import cli
7from PIL import Image
8
9
10@cli.argument('-v', '--verbose', arg_only=True, action='store_true', help='Turns on verbose output.')
11@cli.argument('-i', '--input', required=True, help='Specify input graphic file.')
12@cli.argument('-o', '--output', default='', help='Specify output directory. Defaults to same directory as input.')
13@cli.argument('-f', '--format', required=True, help=f'Output format, valid types: {", ".join(valid_formats.keys())}')
14@cli.argument('-r', '--no-rle', arg_only=True, action='store_true', help='Disables the use of RLE when encoding images.')
15@cli.argument('-d', '--no-deltas', arg_only=True, action='store_true', help='Disables the use of delta frames when encoding animations.')
16@cli.argument('-w', '--raw', arg_only=True, action='store_true', help='Writes out the QGF file as raw data instead of c/h combo.')
17@cli.subcommand('Converts an input image to something QMK understands')
18def painter_convert_graphics(cli):
19 """Converts an image file to a format that Quantum Painter understands.
20
21 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`.
22 """
23 # Work out the input file
24 if cli.args.input != '-':
25 cli.args.input = normpath(cli.args.input)
26
27 # Error checking
28 if not cli.args.input.exists():
29 cli.log.error('Input image file does not exist!')
30 cli.print_usage()
31 return False
32
33 # Work out the output directory
34 if len(cli.args.output) == 0:
35 cli.args.output = cli.args.input.parent
36 cli.args.output = normpath(cli.args.output)
37
38 # Ensure we have a valid format
39 if cli.args.format not in valid_formats.keys():
40 cli.log.error('Output format %s is invalid. Allowed values: %s' % (cli.args.format, ', '.join(valid_formats.keys())))
41 cli.print_usage()
42 return False
43
44 # Work out the encoding parameters
45 format = valid_formats[cli.args.format]
46
47 # Load the input image
48 input_img = Image.open(cli.args.input)
49
50 # Convert the image to QGF using PIL
51 out_data = BytesIO()
52 metadata = []
53 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, metadata=metadata)
54 out_bytes = out_data.getvalue()
55
56 if cli.args.raw:
57 raw_file = cli.args.output / f"{cli.args.input.stem}.qgf"
58 with open(raw_file, 'wb') as raw:
59 raw.write(out_bytes)
60 return
61
62 # Work out the text substitutions for rendering the output data
63 subs = generate_subs(cli, out_bytes, image_metadata=metadata, command_name="painter_convert_graphics")
64
65 # Render and write the header file
66 header_text = render_header(subs)
67 header_file = cli.args.output / f"{cli.args.input.stem}.qgf.h"
68 with open(header_file, 'w') as header:
69 print(f"Writing {header_file}...")
70 header.write(header_text)
71
72 # Render and write the source file
73 source_text = render_source(subs)
74 source_file = cli.args.output / f"{cli.args.input.stem}.qgf.c"
75 with open(source_file, 'w') as source:
76 print(f"Writing {source_file}...")
77 source.write(source_text)