Function drawBitmapText

server.js:312–324

(rgba, width, x, y, line, scale)

}

function drawBitmapText(rgba, width, x, y, line, scale) {
  let cursor = x;
  for (const char of line) {
    const glyph = glyphFor(char);
    for (let gy = 0; gy < glyph.length; gy += 1) {
      for (let gx = 0; gx < glyph[gy].length; gx += 1) {
        if (glyph[gy][gx] !== "#") continue;
        fillRect(rgba, width, cursor + gx * scale, y + gy * scale, scale, scale, [255, 255, 255, 255]);
      }
    }
    cursor += (glyph[0].length + 1) * scale;
  }
}

async function writeLabelImage(text, targetPath) {
  const paddingX = 16;