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[Feature] Some metadata on QGF/QFF files (#20101)

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Pablo Martínez 2024-03-10 01:29:09 +01:00 committed by GitHub
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commit c5225ab500
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4 changed files with 146 additions and 52 deletions
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34
lib/python/qmk/cli/painter/convert_graphics.py
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@ -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()

36
lib/python/qmk/cli/painter/make_font.py
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@ -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()

102
lib/python/qmk/painter.py
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@ -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};

26
lib/python/qmk/painter_qgf.py
View File

@ -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