majoca-iris-AB565-conv

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Runtime.InteropServices;
namespace majo_565_compiler
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        public void decompile(string s)
        {
            string path =s+".extracted";
            try {
                System.IO.Directory.CreateDirectory(path);
            }
            catch (Exception e)
            {

            }
            var r = new BinaryReader(new FileStream(s, FileMode.Open));
            int frontLast = 4915200;
            byte[] bFront = r.ReadBytes(frontLast);
            byte[] bNext = r.ReadBytes((int)(r.BaseStream.Length-bFront.Length));

            Bitmap front = new Bitmap(640, 48, System.Drawing.Imaging.PixelFormat.Format16bppRgb565);
            Bitmap next = new Bitmap(128, 128, System.Drawing.Imaging.PixelFormat.Format16bppRgb565);

            int frontPictureCount = frontLast / 2 / (48 * 640);
            int frontLengthEachPic = frontLast / frontPictureCount;
            int fn = 0;
            for(int n = 0; n < bFront.Length; n += frontLengthEachPic)
            {
                int stride = frontLengthEachPic / 48;

                var bd=front.LockBits(new Rectangle(0, 0, front.Width, front.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format16bppRgb565);
                for(int y = 0; y < front.Height; y++)
                {
                    IntPtr p = bd.Scan0 + bd.Stride * y;
                    Marshal.Copy(bFront, frontLengthEachPic*fn +  stride * y, p, stride);

                }
                front.UnlockBits(bd);

                string outfile = System.IO.Path.Combine(path, fn.ToString("0000") + ".bmp");
                front.Save(outfile, System.Drawing.Imaging.ImageFormat.Bmp);
                fn++;
            }


            int nextPictureCount = bNext.Length / 2 / (128*128);
            int nextLengthEachPic = bNext.Length / nextPictureCount;
            int bn = 0;
            for (int n = 0; n < bNext.Length; n += nextLengthEachPic)
            {
                int stride = nextLengthEachPic / 128;

                var bd = next.LockBits(new Rectangle(0, 0, next.Width, next.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format16bppRgb565);
                for (int y = 0; y < next.Height; y++)
                {
                    IntPtr p = bd.Scan0 + bd.Stride * y;
                    Marshal.Copy(bNext, nextLengthEachPic * bn + stride * y, p, stride);

                }
                next.UnlockBits(bd);

                string outfile = System.IO.Path.Combine(path, (bn+fn).ToString("0000") + ".bmp");
                next.Save(outfile, System.Drawing.Imaging.ImageFormat.Bmp);
                bn++;
            }

        }
        public void compile(string dir)
        {
            List<string> files=new List<string>(System.IO.Directory.GetFiles(dir, "*.bmp"));
            files.Sort();
            System.IO.MemoryStream ms = new MemoryStream();
            for(int n = 0; n < files.Count; n++)
            {

                Bitmap bitmap = new Bitmap(files[n]);

                var bd = bitmap.LockBits(new Rectangle(0,0,bitmap.Width,bitmap.Height),System.Drawing.Imaging.ImageLockMode.ReadOnly,System.Drawing.Imaging.PixelFormat.Format16bppRgb565);

                byte[] line = new byte[bd.Stride];
                for (int y = 0 ; y <bitmap.Height ; y++ )
                {
                    IntPtr p = bd.Scan0 + bd.Stride * y;

                    Marshal.Copy(p, line, 0, line.Length);
                    ms.Write(line, 0, line.Length);
                }
                bitmap.UnlockBits(bd);

            }

            byte[] ball = ms.ToArray();
            if( ball.Length!=14155776 )
            {
                throw new Exception("Bad File size!");
            }
            System.IO.File.WriteAllBytes( dir+".compiled.bin",ms.ToArray());

        }
        private void Form1_Load(object sender, EventArgs e)
        {
            //decompile(@"C:\work\vmware\majo\AB565.bin");
                        compile(@"C:\work\vmware\majo\AB565.bin.extracted");
            //decompile(@"C:\work\vmware\majo\AB565.bin.extracted.compiled.bin");

        }
    }
}