delete font_maker

This commit is contained in:
sfja 2026-01-30 22:11:54 +01:00
parent 4ff00404d4
commit 0eb67c0e10
2 changed files with 0 additions and 246 deletions

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@ -1,194 +0,0 @@
const canvas = document.querySelector("#canvas");
const selectedDiv = document.querySelector("#selected");
const charlistTable = document.querySelector("#charlist");
const exportButton = document.querySelector("#export");
const exportAreaCode = document.querySelector("#export-area");
const [width, height] = [400, 400];
canvas.width = width;
canvas.height = height;
canvas.style.width = width + "px";
canvas.style.height = height + "px";
const g = canvas.getContext("2d");
g.imageSmoothingEnabled = false;
const state = new Array(64).fill(false);
function render() {
g.fillStyle = "black";
g.fillRect(0, 0, width, height);
g.fillStyle = "white";
for (let y = 0; y < 8; ++y) {
for (let x = 0; x < 8; ++x) {
if (state[y * 8 + x]) {
g.fillRect(
x * (width / 8),
y * (height / 8),
width / 8,
height / 8,
);
}
}
}
renderGrid();
}
function renderGrid() {
g.strokeStyle = "gray";
g.lineWidth = 1;
g.beginPath();
for (let y = 0; y < 8; ++y) {
for (let x = 0; x < 8; ++x) {
g.moveTo(x * (width / 8), 0);
g.lineTo(x * (width / 8), height);
g.moveTo(0, y * (height / 8));
g.lineTo(width, y * (height / 8));
}
}
g.moveTo(width - 1, 0);
g.lineTo(width - 1, height);
g.moveTo(0, height - 1);
g.lineTo(width, height - 1);
g.stroke();
}
const specialChars = Object.fromEntries(
Object.entries({
"\0": "0",
"\n": "n",
"\r": "r",
"\t": "t",
}).map(([ch, r]) => [ch.charCodeAt(0), "\\" + r]),
);
const chars = new Array(127).fill(0).map((_, i) => ({
i,
ch: specialChars[i] ?? (i > 31 ? String.fromCharCode(i) : ""),
hex: new Array(8).fill(0),
}));
let selected = { i: 0, ch: "\0", hex: new Array(8).fill(0) };
function stateToHex(state) {
let hex = new Array(8).fill(0);
for (let y = 0; y < 8; ++y) {
let byte = 0;
for (let x = 0; x < 8; ++x) {
if (state[y * 8 + x]) {
byte |= 1 << 7 - x;
}
}
hex[y] = byte;
}
return hex;
}
function stateFromHex(state, hex) {
for (let y = 0; y < 8; ++y) {
for (let x = 0; x < 8; ++x) {
state[y * 8 + x] = (hex[y] >> 7 - x & 1) != 0;
}
}
}
function html(strings, ...values) {
return strings[0] +
strings.slice(1).map((v, i) => values[i].toString() + v).join("");
}
function renderSelectedChar() {
const { i, ch, hex } = selected;
selectedDiv.innerHTML = html`
<span><code>${i}</code></span>
<span><code>${ch}</code></span>
<span><code>0x${hex.map((v) => v.toString(16).padStart(2, "0")).join(
"",
)}</code></span>
<span><input type="text" id="overwrite"></span>
<span><button id="selected-save">Save</button></span>
`;
document.querySelector("#selected-save")
.onclick = () => {
const overwrite = document.querySelector("#overwrite").value;
if (overwrite) {
const hex = new Array(8).fill(0);
for (let i = 0; i < 8; ++i) {
hex[i] = parseInt(
overwrite.slice(i * 2 + 2, i * 2 + 4),
16,
);
}
chars[selected.i].hex = hex;
selected.hex = hex.map((v) => v);
stateFromHex(state, hex);
renderCharlist();
renderSelectedChar();
render();
} else {
chars[selected.i].hex = selected.hex.map((v) => v);
renderCharlist();
}
};
}
function renderCharlist() {
charlistTable.innerHTML = html`
<tr>
<td>int</td>
<td>char</td>
<td>hex</td>
<td>action</td>
</tr>
` + chars
.map(({ i, ch, hex }) =>
html`
<tr>
<td><code>${i}</code></td>
<td><code>${ch}</code></td>
<td><code>0x${hex.map((v) =>
v.toString(16).padStart(2, "0")
).join("")}</code></td>
<td><button id="char-select-${i}">Select</button></td>
</tr>
`
).join("");
for (const char of chars) {
const { i, ch, hex } = char;
document.querySelector(`#char-select-${i}`)
.onclick = () => {
selected = { i, ch, hex: hex.map((v) => v) };
renderSelectedChar();
stateFromHex(state, selected.hex);
render();
};
}
}
canvas.onclick = (ev) => {
const [x, y] = [ev.offsetX / width * 8, ev.offsetY / height * 8].map(
Math.floor,
);
state[y * 8 + x] = !state[y * 8 + x];
render();
selected.hex = stateToHex(state);
renderSelectedChar();
};
renderSelectedChar();
render();
renderCharlist();
exportButton.onclick = () => {
exportAreaCode.innerText = chars.map(({ i, ch, hex }) =>
`
case ${ch != "" ? `'${ch}'` : i}: return 0x${
hex.map((v) => v.toString(16).padStart(2, "0")).join("")
};
`.trim()
).join("\n");
};

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@ -1,52 +0,0 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="./font_maker.js" type="module" defer></script>
<style>
:root {
color-scheme: light dark;
}
* {
box-sizing: border-box;
}
table {
border-collapse: collapse;
}
td {
border-top: 1px solid gray;
min-width: 70px;
text-align: center;
padding: 4px;
}
#selected {
display: flex;
flex-direction: row;
border-top: 1px solid gray;
padding: 10px;
}
#selected > * {
min-width: 70px;
text-align: center;
}
code {
font-size: 18px;
background-color: #444;
padding: 2px;
padding-left: 4px;
padding-right: 4px;
border-radius: 2px;
}
</style>
</head>
<body>
<canvas id="canvas"></canvas>
<div id="selected"></div>
<table id="charlist"></table>
<button id="export">Export</button>
<pre><code id="export-area"></code></pre>
</body>
</html>