Max Gramser
ef0ca8b350
- screen_manager/app/tile_icons.py is the single icon list (12 groups, 20 media and music icons); tools/generate_icons.py writes it into the three icon fonts of both boards and builds the editor's subset font. - Firmware 0.2.18 shows o.icon when its fonts carry the glyph, else the domain icon. The app sends the chosen icon, or Home Assistant's own mdi icon on auto. - Tile sheet gets an icon picker with search; the mockup shows the icon the screen actually draws. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
103 lines
4.2 KiB
Python
103 lines
4.2 KiB
Python
"""Write the tile icon set into both board profiles and build the editor's icon font.
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The list lives in screen_manager/app/tile_icons.py. Every Material Design Icons
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font of a board profile gets exactly those glyphs (the first font carries the
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list as a YAML anchor, the smaller sizes reuse it), and the editor gets a subset
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of the same TTF so its mockup shows the glyphs the screen draws. Run
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tools/generate_packages.py afterwards; --check changes nothing and fails when
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anything is out of date.
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"""
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import argparse
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import io
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import re
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import sys
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from pathlib import Path
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from fontTools import subset
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from fontTools.ttLib import TTFont
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ROOT = Path(__file__).resolve().parents[1]
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sys.path.insert(0, str(ROOT / 'screen_manager/app'))
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import tile_icons # noqa: E402
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TTF = ROOT / 'fonts/materialdesignicons-webfont.ttf'
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PROFILES = [ROOT / 'home-like-2432s028.yaml', ROOT / 'guition-4848s040.yaml']
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WEB_FONT = ROOT / 'screen_manager/app/static/tile-icons.woff'
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FONT_BLOCK = re.compile(r"( - file: 'fonts/materialdesignicons-webfont\.ttf'\n id: \w+\n size: \d+\n) glyphs:.*\n(?: .*\n)*")
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def verify():
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"""Names and codepoints must match the TTF the firmware is built from."""
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codepoints = {}
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for code, name in TTFont(TTF).getBestCmap().items():
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codepoints.setdefault(name, code)
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codepoints[name] = min(codepoints[name], code)
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seen = set()
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for name, code in tile_icons.GLYPHS.items():
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if codepoints.get(name) != int(code, 16):
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raise SystemExit(f'{name}: codepoint {code} does not match {TTF.name}')
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if code in seen:
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raise SystemExit(f'Duplicate glyph {code}')
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seen.add(code)
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if len(tile_icons.ICONS) != sum(len(icons) for _, icons in tile_icons.GROUPS):
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raise SystemExit('An icon appears in more than one group')
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def glyph_list():
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lines = [' glyphs: &tile_icons # GENERATED by tools/generate_icons.py from screen_manager/app/tile_icons.py']
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lines += [f' - "\\U000{code}" # {name}' for name, code in tile_icons.GLYPHS.items()]
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return '\n'.join(lines) + '\n'
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def profile(text):
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blocks = list(FONT_BLOCK.finditer(text))
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if len(blocks) != 3:
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raise SystemExit(f'Expected three icon fonts, found {len(blocks)}')
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out, last = [], 0
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for index, block in enumerate(blocks):
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out += [text[last:block.start()], block[1], glyph_list() if index == 0 else ' glyphs: *tile_icons\n']
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last = block.end()
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return ''.join(out) + text[last:]
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def web_font():
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font = TTFont(TTF)
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options = subset.Options()
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options.flavor = 'woff'
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options.layout_features = []
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options.name_IDs = []
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options.notdef_outline = False
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subsetter = subset.Subsetter(options)
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subsetter.populate(unicodes=[int(code, 16) for code in tile_icons.GLYPHS.values()])
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subsetter.subset(font)
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# The source stores xMin 0 with left bearing 0; saving recalculates xMin, and browsers
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# then shift each glyph left by the difference. Keep the bearing equal to the real xMin.
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glyf, hmtx = font['glyf'], font['hmtx']
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for name in font.getGlyphOrder():
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glyph = glyf[name]
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glyph.recalcBounds(glyf)
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hmtx[name] = (hmtx[name][0], getattr(glyph, 'xMin', 0))
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buffer = io.BytesIO()
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font.flavor = 'woff'
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font.save(buffer)
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return buffer.getvalue()
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('--check', action='store_true')
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args = parser.parse_args()
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verify()
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for path in PROFILES:
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expected = profile(path.read_text())
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if args.check:
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if path.read_text() != expected: raise SystemExit(f'Outdated icon fonts: {path.name}')
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else:
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path.write_text(expected)
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if args.check:
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# Compare glyph coverage, not bytes: font output differs between fontTools versions.
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wanted = {int(code, 16) for code in tile_icons.GLYPHS.values()}
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if not WEB_FONT.exists() or set(TTFont(WEB_FONT).getBestCmap()) != wanted:
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raise SystemExit(f'Outdated: {WEB_FONT.name}')
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else:
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WEB_FONT.write_bytes(web_font())
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print(f'{len(tile_icons.ICONS)} pickable icons, {len(tile_icons.GLYPHS)} glyphs: ' + ('verified' if args.check else 'generated'))
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if __name__ == '__main__':
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main()
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