~ruther/qmk_firmware

c5225ab5009476c60a9cb27837615d4f29c9b19a — Pablo Martínez 1 year, 3 months ago 729520f
[Feature] Some metadata on QGF/QFF files (#20101)

M lib/python/qmk/cli/painter/convert_graphics.py => lib/python/qmk/cli/painter/convert_graphics.py +10 -24
@@ 1,10 1,8 @@
"""This script tests QGF functionality.
"""
import re
import datetime
from io import BytesIO
from qmk.path import normpath
from qmk.painter import render_header, render_source, render_license, render_bytes, valid_formats
from qmk.painter import generate_subs, render_header, render_source, valid_formats
from milc import cli
from PIL import Image



@@ 12,7 10,7 @@ from PIL import Image
@cli.argument('-v', '--verbose', arg_only=True, action='store_true', help='Turns on verbose output.')
@cli.argument('-i', '--input', required=True, help='Specify input graphic file.')
@cli.argument('-o', '--output', default='', help='Specify output directory. Defaults to same directory as input.')
@cli.argument('-f', '--format', required=True, help='Output format, valid types: %s' % (', '.join(valid_formats.keys())))
@cli.argument('-f', '--format', required=True, help=f'Output format, valid types: {", ".join(valid_formats.keys())}')
@cli.argument('-r', '--no-rle', arg_only=True, action='store_true', help='Disables the use of RLE when encoding images.')
@cli.argument('-d', '--no-deltas', arg_only=True, action='store_true', help='Disables the use of delta frames when encoding animations.')
@cli.argument('-w', '--raw', arg_only=True, action='store_true', help='Writes out the QGF file as raw data instead of c/h combo.')


@@ 51,43 49,31 @@ def painter_convert_graphics(cli):

    # Convert the image to QGF using PIL
    out_data = BytesIO()
    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 = []
    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)
    out_bytes = out_data.getvalue()

    if cli.args.raw:
        raw_file = cli.args.output / (cli.args.input.stem + ".qgf")
        raw_file = cli.args.output / f"{cli.args.input.stem}.qgf"
        with open(raw_file, 'wb') as raw:
            raw.write(out_bytes)
        return

    # Work out the text substitutions for rendering the output data
    subs = {
        'generated_type': 'image',
        'var_prefix': 'gfx',
        'generator_command': f'qmk painter-convert-graphics -i {cli.args.input.name} -f {cli.args.format}',
        'year': datetime.date.today().strftime("%Y"),
        'input_file': cli.args.input.name,
        'sane_name': re.sub(r"[^a-zA-Z0-9]", "_", cli.args.input.stem),
        'byte_count': len(out_bytes),
        'bytes_lines': render_bytes(out_bytes),
        'format': cli.args.format,
    }

    # Render the license
    subs.update({'license': render_license(subs)})
    args_str = " ".join((f"--{arg} {getattr(cli.args, arg.replace('-', '_'))}" for arg in ["input", "output", "format", "no-rle", "no-deltas"]))
    command = f"qmk painter-convert-graphics {args_str}"
    subs = generate_subs(cli, out_bytes, image_metadata=metadata, command=command)

    # Render and write the header file
    header_text = render_header(subs)
    header_file = cli.args.output / (cli.args.input.stem + ".qgf.h")
    header_file = cli.args.output / f"{cli.args.input.stem}.qgf.h"
    with open(header_file, 'w') as header:
        print(f"Writing {header_file}...")
        header.write(header_text)
        header.close()

    # Render and write the source file
    source_text = render_source(subs)
    source_file = cli.args.output / (cli.args.input.stem + ".qgf.c")
    source_file = cli.args.output / f"{cli.args.input.stem}.qgf.c"
    with open(source_file, 'w') as source:
        print(f"Writing {source_file}...")
        source.write(source_text)
        source.close()

M lib/python/qmk/cli/painter/make_font.py => lib/python/qmk/cli/painter/make_font.py +11 -25
@@ 1,12 1,10 @@
"""This script automates the conversion of font files into a format QMK firmware understands.
"""

import re
import datetime
from io import BytesIO
from qmk.path import normpath
from qmk.painter_qff import QFFFont
from qmk.painter import render_header, render_source, render_license, render_bytes, valid_formats
from qmk.painter_qff import _generate_font_glyphs_list, QFFFont
from qmk.painter import generate_subs, render_header, render_source, valid_formats
from milc import cli




@@ 31,7 29,7 @@ def painter_make_font_image(cli):
@cli.argument('-o', '--output', default='', help='Specify output directory. Defaults to same directory as input.')
@cli.argument('-n', '--no-ascii', arg_only=True, action='store_true', help='Disables output of the full ASCII character set (0x20..0x7E), exporting only the glyphs specified.')
@cli.argument('-u', '--unicode-glyphs', default='', help='Also generate the specified unicode glyphs.')
@cli.argument('-f', '--format', required=True, help='Output format, valid types: %s' % (', '.join(valid_formats.keys())))
@cli.argument('-f', '--format', required=True, help=f'Output format, valid types: {", ".join(valid_formats.keys())}')
@cli.argument('-r', '--no-rle', arg_only=True, action='store_true', help='Disable the use of RLE to minimise converted image size.')
@cli.argument('-w', '--raw', arg_only=True, action='store_true', help='Writes out the QFF file as raw data instead of c/h combo.')
@cli.subcommand('Converts an input font image to something QMK firmware understands')


@@ 53,43 51,31 @@ def painter_convert_font_image(cli):

    # Render out the data
    out_data = BytesIO()
    font.save_to_qff(format, (False if cli.args.no_rle else True), out_data)
    font.save_to_qff(format, not cli.args.no_rle, out_data)
    out_bytes = out_data.getvalue()

    if cli.args.raw:
        raw_file = cli.args.output / (cli.args.input.stem + ".qff")
        raw_file = cli.args.output / f"{cli.args.input.stem}.qff"
        with open(raw_file, 'wb') as raw:
            raw.write(out_bytes)
        return

    # Work out the text substitutions for rendering the output data
    subs = {
        'generated_type': 'font',
        'var_prefix': 'font',
        'generator_command': f'qmk painter-convert-font-image -i {cli.args.input.name} -f {cli.args.format}',
        'year': datetime.date.today().strftime("%Y"),
        'input_file': cli.args.input.name,
        'sane_name': re.sub(r"[^a-zA-Z0-9]", "_", cli.args.input.stem),
        'byte_count': len(out_bytes),
        'bytes_lines': render_bytes(out_bytes),
        'format': cli.args.format,
    }

    # Render the license
    subs.update({'license': render_license(subs)})
    args_str = " ".join((f"--{arg} {getattr(cli.args, arg.replace('-', '_'))}" for arg in ["input", "output", "no-ascii", "unicode-glyphs", "format", "no-rle"]))
    command = f"qmk painter-convert-font-image {args_str}"
    metadata = {"glyphs": _generate_font_glyphs_list(not cli.args.no_ascii, cli.args.unicode_glyphs)}
    subs = generate_subs(cli, out_bytes, font_metadata=metadata, command=command)

    # Render and write the header file
    header_text = render_header(subs)
    header_file = cli.args.output / (cli.args.input.stem + ".qff.h")
    header_file = cli.args.output / f"{cli.args.input.stem}.qff.h"
    with open(header_file, 'w') as header:
        print(f"Writing {header_file}...")
        header.write(header_text)
        header.close()

    # Render and write the source file
    source_text = render_source(subs)
    source_file = cli.args.output / (cli.args.input.stem + ".qff.c")
    source_file = cli.args.output / f"{cli.args.input.stem}.qff.c"
    with open(source_file, 'w') as source:
        print(f"Writing {source_file}...")
        source.write(source_text)
        source.close()

M lib/python/qmk/painter.py => lib/python/qmk/painter.py +102 -0
@@ 1,5 1,6 @@
"""Functions that help us work with Quantum Painter's file formats.
"""
import datetime
import math
import re
from string import Template


@@ 79,6 80,105 @@ valid_formats = {
    }
}


def _render_text(values):
    # FIXME: May need more chars with GIFs containing lots of frames (or longer durations)
    return "|".join([f"{i:4d}" for i in values])


def _render_numeration(metadata):
    return _render_text(range(len(metadata)))


def _render_values(metadata, key):
    return _render_text([i[key] for i in metadata])


def _render_image_metadata(metadata):
    size = metadata.pop(0)

    lines = [
        "// Image's metadata",
        "// ----------------",
        f"// Width: {size['width']}",
        f"// Height: {size['height']}",
    ]

    if len(metadata) == 1:
        lines.append("// Single frame")

    else:
        lines.extend([
            f"//        Frame: {_render_numeration(metadata)}",
            f"// Duration(ms): {_render_values(metadata, 'delay')}",
            f"//  Compression: {_render_values(metadata, 'compression')} >> See qp.h, painter_compression_t",
            f"//        Delta: {_render_values(metadata, 'delta')}",
        ])

        deltas = []
        for i, v in enumerate(metadata):
            # Not a delta frame, go to next one
            if not v["delta"]:
                continue

            # Unpack rect's coords
            l, t, r, b = v["delta_rect"]

            delta_px = (r - l) * (b - t)
            px = size["width"] * size["height"]

            # FIXME: May need need more chars here too
            deltas.append(f"// Frame {i:3d}: ({l:3d}, {t:3d}) - ({r:3d}, {b:3d}) >> {delta_px:4d}/{px:4d} pixels ({100*delta_px/px:.2f}%)")

        if deltas:
            lines.append("// Areas on delta frames")
            lines.extend(deltas)

    return "\n".join(lines)


def generate_subs(cli, out_bytes, *, font_metadata=None, image_metadata=None, command):
    if font_metadata is not None and image_metadata is not None:
        raise ValueError("Cant generate subs for font and image at the same time")

    subs = {
        "year": datetime.date.today().strftime("%Y"),
        "input_file": cli.args.input.name,
        "sane_name": re.sub(r"[^a-zA-Z0-9]", "_", cli.args.input.stem),
        "byte_count": len(out_bytes),
        "bytes_lines": render_bytes(out_bytes),
        "format": cli.args.format,
        "generator_command": command,
    }

    if font_metadata is not None:
        subs.update({
            "generated_type": "font",
            "var_prefix": "font",
            # not using triple quotes to avoid extra indentation/weird formatted code
            "metadata": "\n".join([
                "// Font's metadata",
                "// ---------------",
                f"// Glyphs: {', '.join([i for i in font_metadata['glyphs']])}",
            ]),
        })

    elif image_metadata is not None:
        subs.update({
            "generated_type": "image",
            "var_prefix": "gfx",
            "generator_command": command,
            "metadata": _render_image_metadata(image_metadata),
        })

    else:
        raise ValueError("Pass metadata for either an image or a font")

    subs.update({"license": render_license(subs)})

    return subs


license_template = """\
// Copyright ${year} QMK -- generated source code only, ${generated_type} retains original copyright
// SPDX-License-Identifier: GPL-2.0-or-later


@@ 110,6 210,8 @@ def render_header(subs):

source_file_template = """\
${license}
${metadata}

#include <qp.h>

const uint32_t ${var_prefix}_${sane_name}_length = ${byte_count};

M lib/python/qmk/painter_qgf.py => lib/python/qmk/painter_qgf.py +23 -3
@@ 327,8 327,9 @@ def _compress_image(frame, last_frame, *, use_rle, use_deltas, format_, **_kwarg


# Helper function to save each frame to the output file
def _write_frame(idx, frame, last_frame, *, fp, frame_offsets, **kwargs):
    # Not an argument of the function as it would consume from **kwargs
def _write_frame(idx, frame, last_frame, *, fp, frame_offsets, metadata, **kwargs):
    # Not an argument of the function as it would then not be part of kwargs
    # This would cause an issue with `_compress_image(**kwargs)` missing an argument
    format_ = kwargs["format_"]

    # (potentially) Apply RLE and/or delta, and work out output image's information


@@ 370,6 371,21 @@ def _write_frame(idx, frame, last_frame, *, fp, frame_offsets, **kwargs):
        vprint(f'{f"Frame {idx:3d} delta":26s} {fp.tell():5d}d / {fp.tell():04X}h')
        delta_descriptor.write(fp)

    # Store metadata, showed later in a comment in the generated file
    frame_metadata = {
        "compression": frame_descriptor.compression,
        "delta": frame_descriptor.is_delta,
        "delay": frame_descriptor.delay,
    }
    if frame_metadata["delta"]:
        frame_metadata.update({"delta_rect": [
            delta_descriptor.left,
            delta_descriptor.top,
            delta_descriptor.right,
            delta_descriptor.bottom,
        ]})
    metadata.append(frame_metadata)

    # Write out the data for this frame to the output
    data_descriptor = QGFFrameDataDescriptorV1()
    data_descriptor.data = image_data


@@ 383,6 399,10 @@ def _save(im, fp, _filename):
    # Work out from the parameters if we need to do anything special
    encoderinfo = im.encoderinfo.copy()

    # Store image file in metadata structure
    metadata = encoderinfo.get("metadata", [])
    metadata.append({"width": im.width, "height": im.height})

    # Helper for prints, noop taking any args if not verbose
    global vprint
    verbose = encoderinfo.get("verbose", False)


@@ 417,7 437,7 @@ def _save(im, fp, _filename):
    frame_offsets.write(fp)

    # Iterate over each if the input frames, writing it to the output in the process
    write_frame = functools.partial(_write_frame, format_=encoderinfo["qmk_format"], fp=fp, use_deltas=encoderinfo.get("use_deltas", True), use_rle=encoderinfo.get("use_rle", True), frame_offsets=frame_offsets)
    write_frame = functools.partial(_write_frame, format_=encoderinfo["qmk_format"], fp=fp, use_deltas=encoderinfo.get("use_deltas", True), use_rle=encoderinfo.get("use_rle", True), frame_offsets=frame_offsets, metadata=metadata)
    for_all_frames(write_frame)

    # Go back and update the graphics descriptor now that we can determine the final file size

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