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Vendor namelayer emoji font

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Keep the NameLayer emoji atlas generation deterministic by loading Twemoji COLR from resources/fonts instead of resolving it through the twemoji-colr-font npm package.

The font file and its OFL license are now checked in next to the other namelayer font assets. This removes the deprecated package dependency while preserving the current Twemoji output until the project chooses a final emoji font/set.
This commit is contained in:
scamiv
2026-05-09 16:28:54 +02:00
parent da33b283be
commit 62d2a904d3
5 changed files with 139 additions and 20 deletions
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package-lock.json
Generated
-8
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@@ -97,7 +97,6 @@
"skia-canvas": "^3.0.8",
"tailwindcss": "^4.1.18",
"tsconfig-paths": "^4.2.0",
"twemoji-colr-font": "^15.0.3",
"typescript": "^6.0.3",
"typescript-eslint": "^8.59.1",
"vite": "^7.3.2",
@@ -13148,13 +13147,6 @@
"node": "*"
}
},
"node_modules/twemoji-colr-font": {
"version": "15.0.3",
"resolved": "https://registry.npmjs.org/twemoji-colr-font/-/twemoji-colr-font-15.0.3.tgz",
"integrity": "sha512-UsK4JUpaczeVoMGeYMnKaMTxKt7fujg1nQOk4NaC0teZmdOo+uAai0DIuaSzsMkShtG4J75F0OEsVdGJ+Q1pHQ==",
"deprecated": "Package no longer supported. Contact Support at https://www.npmjs.com/support for more info.",
"dev": true
},
"node_modules/type-check": {
"version": "0.4.0",
"resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
package.json
-1
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@@ -83,7 +83,6 @@
"sinon-chai": "^4.0.0",
"tailwindcss": "^4.1.18",
"tsconfig-paths": "^4.2.0",
"twemoji-colr-font": "^15.0.3",
"typescript": "^6.0.3",
"typescript-eslint": "^8.59.1",
"vite": "^7.3.2",
resources/fonts/twemoji-colr-OFL.txt
+121
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@@ -0,0 +1,121 @@
# License for the font file
SIL OPEN FONT LICENSE
Version 1.1 - 26 February 2007
PREAMBLE
The goals of the Open Font License (OFL) are to stimulate worldwide
development of collaborative font projects, to support the font creation
efforts of academic and linguistic communities, and to provide a free and
open framework in which fonts may be shared and improved in partnership
with others.
The OFL allows the licensed fonts to be used, studied, modified and
redistributed freely as long as they are not sold by themselves. The
fonts, including any derivative works, can be bundled, embedded,
redistributed and/or sold with any software provided that any reserved
names are not used by derivative works. The fonts and derivatives,
however, cannot be released under any other type of license. The
requirement for fonts to remain under this license does not apply
to any document created using the fonts or their derivatives.
DEFINITIONS
"Font Software" refers to the set of files released by the Copyright
Holder(s) under this license and clearly marked as such. This may
include source files, build scripts and documentation.
"Reserved Font Name" refers to any names specified as such after the
copyright statement(s).
"Original Version" refers to the collection of Font Software components as
distributed by the Copyright Holder(s).
"Modified Version" refers to any derivative made by adding to, deleting,
or substituting — in part or in whole — any of the components of the
Original Version, by changing formats or by porting the Font Software to a
new environment.
"Author" refers to any designer, engineer, programmer, technical
writer or other person who contributed to the Font Software.
PERMISSION & CONDITIONS
Permission is hereby granted, free of charge, to any person obtaining
a copy of the Font Software, to use, study, copy, merge, embed, modify,
redistribute, and sell modified and unmodified copies of the Font
Software, subject to the following conditions:
1) Neither the Font Software nor any of its individual components,
in Original or Modified Versions, may be sold by itself.
2) Original or Modified Versions of the Font Software may be bundled,
redistributed and/or sold with any software, provided that each copy
contains the above copyright notice and this license. These can be
included either as stand-alone text files, human-readable headers or
in the appropriate machine-readable metadata fields within text or
binary files as long as those fields can be easily viewed by the user.
3) No Modified Version of the Font Software may use the Reserved Font
Name(s) unless explicit written permission is granted by the corresponding
Copyright Holder. This restriction only applies to the primary font name as
presented to the users.
4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
Software shall not be used to promote, endorse or advertise any
Modified Version, except to acknowledge the contribution(s) of the
Copyright Holder(s) and the Author(s) or with their explicit written
permission.
5) The Font Software, modified or unmodified, in part or in whole,
must be distributed entirely under this license, and must not be
distributed under any other license. The requirement for fonts to
remain under this license does not apply to any document created
using the Font Software.
TERMINATION
This license becomes null and void if any of the above conditions are
not met.
DISCLAIMER
THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
OTHER DEALINGS IN THE FONT SOFTWARE.
# License for the Visual Design
The emoji art comes from [Twemoji](https://twitter.github.io/twemoji),
and is used and redistributed under the CC-BY-4.0 [license terms](https://github.com/twitter/twemoji#license)
offered by the Twemoji project.
### Creative Commons Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/legalcode
or for the human readable summary: https://creativecommons.org/licenses/by/4.0/
#### You are free to:
**Share** — copy and redistribute the material in any medium or format
**Adapt** — remix, transform, and build upon the material for any purpose, even commercially.
The licensor cannot revoke these freedoms as long as you follow the license terms.
#### Under the following terms:
**Attribution** — You must give appropriate credit, provide a link to the license,
and indicate if changes were made.
You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
**No additional restrictions** — You may not apply legal terms or **technological measures**
that legally restrict others from doing anything the license permits.
#### Notices:
You do not have to comply with the license for elements of the material in the public domain
or where your use is permitted by an applicable exception or limitation. No warranties are given.
The license may not give you all of the permissions necessary for your intended use.
For example, other rights such as publicity, privacy, or moral rights may limit how you use the material.
resources/fonts/twemoji-colr.woff2
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scripts/build-namelayer-assets.mjs
+18 -11
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@@ -14,7 +14,7 @@ const fontPng = "namelayer_overpass.png";
const fontXml = "namelayer_overpass.xml";
const fontFace = "namelayer_overpass";
const emojiFontFamily = "NameLayerEmoji";
const emojiFontPath = require.resolve("twemoji-colr-font/twemoji.woff2");
const emojiFontPath = path.join(fontsDir, "twemoji-colr.woff2");
const emojiFontSize = 96;
const atlasFramePaddingRatio = 1 / 16;
const colorDetectionThreshold = 12;
@@ -52,6 +52,7 @@ const iconSources = [
fs.mkdirSync(fontsDir, { recursive: true });
fs.mkdirSync(imagesDir, { recursive: true });
const overpassFontPath = findFontSource();
FontLibrary.use(emojiFontFamily, [emojiFontPath]);
await buildMsdfFont();
@@ -59,11 +60,7 @@ await buildIconAtlas();
await buildEmojiAtlas();
async function buildMsdfFont() {
const fontPath = fontSourceCandidates
.map((fileName) => path.join(fontsDir, fileName))
.find((candidate) => fs.existsSync(candidate));
if (!fontPath) {
if (!overpassFontPath) {
const fallbackXml = fs
.readFileSync(path.join(fontsDir, "round_6x6_modified.xml"), "utf8")
.replace(/face="round_6x6_modified"/g, `face="${fontFace}"`)
@@ -79,7 +76,7 @@ async function buildMsdfFont() {
const generateBMFont = require("msdf-bmfont-xml");
const { textures, font } = await new Promise((resolve, reject) => {
generateBMFont(
fontPath,
overpassFontPath,
{
filename: path.join(fontsDir, path.basename(fontPng, ".png")),
outputType: "xml",
@@ -216,10 +213,7 @@ async function buildEmojiAtlas() {
const x = col * cell;
const y = row * cell;
drawPackedAtlasFrame(ctx, x, y, cell, (scratchCtx, scratchSize) => {
scratchCtx.textAlign = "center";
scratchCtx.textBaseline = "middle";
scratchCtx.font = `${emojiFontSize}px ${emojiFontFamily}`;
scratchCtx.fillText(emoji, scratchSize / 2, scratchSize / 2);
drawEmojiText(scratchCtx, scratchSize, emoji);
});
frames[emoji] = {
frame: { x, y, w: cell, h: cell },
@@ -258,6 +252,13 @@ async function buildEmojiAtlas() {
);
}
function drawEmojiText(ctx, size, emoji) {
ctx.textAlign = "center";
ctx.textBaseline = "middle";
ctx.font = `${emojiFontSize}px ${emojiFontFamily}`;
ctx.fillText(emoji, size / 2, size / 2);
}
function drawPackedAtlasFrame(targetCtx, x, y, cell, drawSource) {
const scratchSize = cell * 2;
const scratch = new Canvas(scratchSize, scratchSize);
@@ -389,3 +390,9 @@ function readEmojiTable() {
return Array.from(match[1].matchAll(/"([^"]+)"/g), (match) => match[1]);
}
function findFontSource() {
return fontSourceCandidates
.map((fileName) => path.join(fontsDir, fileName))
.find((candidate) => fs.existsSync(candidate));
}