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Krzysztof kuhy Rudnicki
27f44cad4b
Every Flutter app still shipped the stock Flutter "beach" launcher icon, and none had an adaptive-icon descriptor at all. Rather than hand-drawing five one-off icons, define the family once and let each app contribute only an accent colour and a glyph. The family: a charcoal #1B1D21 field carrying one glyph in that app's own theme seed colour, at a single stroke weight. Glyphs are optically centred automatically - render.centre_offset rasterises a glyph alone, measures its ink box, and translates (never scales) the fragment, so a row of icons lines up while every icon keeps the exact family stroke weight. safe_box_overflow warns when a glyph exceeds the 560px adaptive-icon safe box; it caught three real overflows that a launcher mask would have clipped. The registry points dufs_client at ~/dufs-cloud/app: ~/dufs_client was a stale, remote-less checkout with an identical package name, since deleted. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
40 lines
1.6 KiB
Python
40 lines
1.6 KiB
Python
"""The numbers that define the shared icon family.
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Changing anything here changes *every* app's icon, which is the point: the
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family is defined once and each app only contributes an accent colour and a
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glyph. Regenerate all apps after editing this module.
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"""
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from __future__ import annotations
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from typing import Final
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# Master canvas. 1024 is what flutter_launcher_icons wants as a source image.
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CANVAS: Final[int] = 1024
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CENTRE: Final[float] = CANVAS / 2
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# Charcoal field shared by all icons. Also used as adaptive_icon_background so
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# the adaptive foreground and background layers stay seamless.
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BACKGROUND: Final[str] = "#1B1D21"
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# Android masks an adaptive icon down to roughly the inner 66% of the canvas.
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# Keeping every glyph inside this box means no launcher mask (circle, squircle,
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# teardrop, ...) can clip it.
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SAFE_BOX: Final[int] = 560
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# Single stroke weight for the whole family. Glyph negative space must stay at
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# or above STROKE_WIDTH / 2, otherwise adjacent strokes merge into a blob when
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# the icon is scaled down to launcher size.
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STROKE_WIDTH: Final[int] = 72
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MIN_NEGATIVE_SPACE: Final[float] = STROKE_WIDTH / 2
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# Colour used for the Android 13 themed ("monochrome") layer, which the system
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# recolours itself, so the glyph must be drawn in flat white.
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MONOCHROME: Final[str] = "#FFFFFF"
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# Placeholder replaced with an app's accent colour inside a glyph fragment.
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ACCENT_MARKER: Final[str] = "{{ACCENT}}"
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# Sizes installed into the hicolor icon theme for Linux desktop targets.
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LINUX_ICON_SIZES: Final[tuple[int, ...]] = (16, 24, 32, 48, 64, 128, 256, 512)
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