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  1. using System;
  2. using System.Collections.Generic;
  3. using System.ComponentModel;
  4. using System.Data;
  5. using System.Drawing;
  6. using System.Linq;
  7. using System.Text;
  8. using System.Windows.Forms;
  9. using System.IO;
  10. using System.IO.Compression;            // 圧縮(Deflate)の為
  11. using System.Runtime.InteropServices;   // Marshalの為
  12.  
  13. namespace Deflate_Test
  14. {
  15.     public partial class Form1 : Form
  16.     {
  17.         public Form1()
  18.         {
  19.             InitializeComponent();
  20.         }
  21.  
  22.         struct GetData
  23.         {                                                   // データ取得用構造体
  24.             public UInt32 intNum;
  25.             public uint intFlag;
  26.             public uint intWidth;
  27.             public uint intHeight;
  28.             public UInt32[] intData;    // = new UInt32[1280 * 1024];
  29.             public void Reset()
  30.             {                           // 値を入れる時に必ず実行すること
  31.                 intData = new UInt32[1280 * 1024];
  32.             }
  33.         }
  34.         private List<GetData> PGetSaveData = new List<GetData>();   // 保存用データ（ジェネリック）
  35.  
  36.         private void button1_Click(object sender, EventArgs e)
  37.         {
  38.             for (uint i = 0; i < 1000; i++)
  39.             {
  40.                 GetData gd = new GetData();
  41.                 gd.intNum = i;
  42.                 gd.intFlag = 0xff;
  43.                 gd.intWidth = 1280;                     // 幅と高さはROIで設定しているので、不要かも？？？
  44.                 gd.intHeight = 1024;
  45.                 gd.Reset();                                     // 構造体の配列の初期化
  46.                 for (uint j = 0; j < 1280 * 1024; j++)
  47.                 {
  48.                     gd.intData[j] = j;
  49.                 }
  50.                 PGetSaveData.Add(gd);                           // ジェネリックに追加
  51.             }
  52.         }
  53.  
  54.         private void button2_Click(object sender, EventArgs e)
  55.         {            
  56.             IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(GetData)));
  57.             byte[] packet = new byte[Marshal.SizeOf(typeof(GetData))];
  58.  
  59.             // 入出力用のストリーム
  60.             MemoryStream ms = new MemoryStream();
  61.             DeflateStream CompStream = new DeflateStream(ms, CompressionMode.Compress, true);
  62.  
  63.             try{
  64.  
  65.                 for (uint i = 0; i < 1000; i++)
  66.                 {
  67.                     // 構造体をバイト配列に変換
  68.                     Marshal.StructureToPtr(PGetSaveData[(int)i], ptr, false);
  69.                     Marshal.Copy(ptr, packet, 0, Marshal.SizeOf(typeof(GetData)));
  70.  
  71.                     // ストリームに圧縮するデータを書き込む
  72.                     CompStream.Write(packet, 0 , packet.Length);    // 追記？
  73.                 }
  74.             }finally{
  75.                 if(IntPtr.Zero != ptr){Marshal.FreeHGlobal(ptr);}
  76.             }
  77.             CompStream.Close();
  78.  
  79.             // 圧縮されたデータをバイト配列で取得
  80.             //byte[] dest = ms.ToArray();
  81.  
  82.             // ストリームを開放
  83.             ms.Close();
  84.             ms.Dispose();
  85.  
  86.             // サイズを比較
  87.             label1.Text = (PGetSaveData.Count * Marshal.SizeOf(typeof(GetData))).ToString();
  88.             //label2.Text = dest.Length.ToString();
  89.         }
  90.     }
  91. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cs(4,14): error CS0234: The type or namespace name `Data' does not exist in the namespace `System'. Are you missing an assembly reference?
prog.cs(5,14): error CS0234: The type or namespace name `Drawing' does not exist in the namespace `System'. Are you missing an assembly reference?
prog.cs(8,14): error CS0234: The type or namespace name `Windows' does not exist in the namespace `System'. Are you missing an assembly reference?
Compilation failed: 3 error(s), 0 warnings
stdout
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Standard output is empty
https://ideone.com/Z97sY
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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