feat(est): save print settings to ESTX

2026-11-06 22:45:11 +09:00
parent c4c3be0a7c
commit 0880665f28
6 changed files with 117 additions and 5 deletions
@@ -0,0 +1,51 @@
+const { readPrintOptions } = require("./import-print.cjs");
+const sides = new Set(["PrintTop", "PrintBottom", "PrintLeft", "PrintRight"]);
+
+function updatePrintOptions(buffer, changes) {
+  const output = Buffer.from(buffer),
+    positions = new Map();
+  readPrintOptions(output, (row, fields) => {
+    const id = String(row.Index);
+    if (positions.has(id)) throw Error("인쇄 서식 번호 중복");
+    positions.set(id, fields);
+  });
+  for (const [id, values] of Object.entries(changes)) {
+    if (
+      !/^\d+$/.test(id) ||
+      !positions.has(id) ||
+      !values ||
+      typeof values !== "object" ||
+      Array.isArray(values)
+    )
+      throw Error(`인쇄 서식 변경 오류: ${id}`);
+    for (const [name, value] of Object.entries(values)) {
+      const field = positions.get(id)[name];
+      if (
+        sides.has(name) &&
+        field?.kind === 4 &&
+        field.width === 8 &&
+        typeof value === "number" &&
+        Number.isFinite(value) &&
+        value >= 0 &&
+        value <= 50
+      )
+        output.writeDoubleLE(value, field.at);
+      else if (
+        name === "PrintLineCount" &&
+        field?.kind === 1 &&
+        field.width === 4 &&
+        Number.isInteger(value) &&
+        value >= 1 &&
+        value <= 100
+      )
+        output.writeInt32LE(value, field.at);
+      else throw Error(`인쇄 서식 ${id}.${name}: 저장할 수 없는 값`);
+    }
+  }
+  const reread = new Map(readPrintOptions(output).map((row) => [String(row.Index), row]));
+  for (const [id, values] of Object.entries(changes))
+    for (const [key, value] of Object.entries(values))
+      if (reread.get(id)?.[key] !== value) throw Error(`인쇄 서식 ${id}.${key} 검산 실패`);
+  return output;
+}
+module.exports = { updatePrintOptions };