initial commit

.gitignore

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+node_modules
+*.bitsyfont
+*.lock
+*.png

bitfont.js

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+const Jimp = require("jimp");
+const prompt = require("prompt");
+const sizeOf = require("image-size");
+const fs = require("node:fs");
+
+const file = process.argv[2];
+const charWidth = parseInt(process.argv[3]) || 8;
+const charHeight = parseInt(process.argv[4]) || 8;
+
+const dimensions = sizeOf(file);
+const imgWidth = dimensions.width;
+const imgHeight = dimensions.height;
+
+Jimp.read(file, async (_err, img) => {
+  let charArray = [];
+  let row;
+  let buffer = ``;
+  prompt.start();
+  const { fontName } = await prompt.get({name: 'fontName', description: 'Font Name', hidden: false, type: 'string', default: 'My Bitsy Font'});
+  buffer += `FONT ${fontName}\n`;
+  buffer += `SIZE ${charWidth} ${charHeight}\n`;
+  console.log(buffer);
+  for (let y = 0; y < imgHeight; y += 1) {
+    row = [];
+    for (let x = 0; x < imgWidth; x += 1) {
+      row.push(img.getPixelColor(x, y) == 255 ? 1 : 0);
+    }
+    charArray.push(row);
+  }
+  let character;
+  for (y = 0; y < imgHeight; y += charHeight) {
+    for (x = 0; x < imgWidth; x += charWidth) {
+      character = charArray.slice(y, y + charHeight).map(line => line.slice(x, x + charWidth).join(""));
+      character.forEach((line) => console.log(line.replace(/1/g, "\x1b[30m1\x1b[0m")));
+      let { code } = await prompt.get({name: 'code', description: 'Character Code', hidden: false, type: 'string', required: true});
+      buffer += `CHAR ${code}\n`;
+      buffer += character.join("\n");
+    }
+  }
+  const { path } = await prompt.get({name: 'path', description: 'Path to Write', hidden: false, type: 'string', default: 'my_bitsy_font.bitsyfont'});
+  fs.writeFile(path, buffer, (err) => {
+    if (err) {
+      console.error(err);
+    } else {
+      console.log(`Font written to ${path}!`);
+    }
+  });
+});

package.json

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+{
+  "name": "bitfont",
+  "version": "1.0.0",
+  "description": "converts a png file into a bitsy font",
+  "main": "bitfont.js",
+  "author": "Carly Ho",
+  "license": "MIT",
+  "dependencies": {
+    "image-size": "^1.1.1",
+    "jimp": "^0.22.12",
+    "prompt": "^1.3.0"
+  }
+}