Merge ntr-cfw screenshots

README.MD

NTR CFW 截图合并脚本

合并 NTR CFW 在 3DS 截图产生的 top_xxxx.bmp 与 bot_xxxx.bmp 至一个文件。

详细阅读：Jixun.Moe

使用前提

控制台/终端 执行 convert -version 能输出 ImageMagick 的信息。

如果没有，请：

• Windows 用户请执行 SET "PATH=DIR_TO_IMAGEMAGICK;%PATH%"
• Linux / Mac 用户请安装 ImageMagick 的软件包。

使用指令

$ node ntr_merge.js [[source dir] output dir]

Params:
source dir: Default to "current directory"
output dir: Default to "source dir/out"

ntr_merge.js

/**
 * ntr screenshot merger.
 * Windows:   Ensure directory of `convert.exe` is prepend to %PATH% before execute.
 * Linux/Mac: Install ImageMagick Package.
 * 
 * @author Jixun<https://jixun.moe/>
 * @license MIT License<https://opensource.org/licenses/MIT>
 */

/* jshint esnext:true */
const fs = require('fs');
const path = require('path');
const exec = require('child_process').execSync;

let dir = process.argv[2] || process.cwd();
let outDir = process.argv[3] || path.join(dir, 'out');
let names = fs.readdirSync(dir);

if (!fs.existsSync(outDir))
  fs.mkdirSync(outDir);

names.forEach(name => {
  let m = name.match(/^top_(\d{4})\.bmp$/i);
  if (m) {
    let in_top = path.join(dir, name);
    let in_bot = path.join(dir, `bot_${m[1]}.bmp`);
    let output = path.join(outDir, `${m[1]}.png`);
    
    console.info(`Merge image ${m[1]} ...`);
    exec(`convert "${in_top}" -background black "${in_bot}" -gravity center -append "${output}"`);
  }
});