using?System;
using?System.Collections.Generic;
using?System.Text;
using?System.Runtime.InteropServices;
using?System.Drawing;
using?System.IO;

namespace?NetViewApp
{
????public?class?YV12ToBMP
????{
????????///BMP文件頭結構
????????[StructLayout（LayoutKind.Sequential）]
????????public?struct?BITMAPINFOHEADER
????????{
????????????[MarshalAs（UnmanagedType.I4）]
????????????public?int?biSize;

????????????[MarshalAs（UnmanagedType.I4）]
????????????public?Int32?biWidth;

????????????[MarshalAs（UnmanagedType.I4）]
????????????public?Int32?biHeight;

????????????[MarshalAs（UnmanagedType.I2）]
????????????public?short?biPlanes;

????????????[MarshalAs（UnmanagedType.I2）]
????????????public?short?biBitCount;

????????????[MarshalAs（UnmanagedType.I4）]
????????????public?UInt32?biCompression;

????????????[MarshalAs（UnmanagedType.I4）]
????????????public?UInt32?biSizeImage;

????????????[MarshalAs（UnmanagedType.I4）]
????????????public?Int32?biXPelsPerMeter;

????????????[MarshalAs（UnmanagedType.I4）]
????????????public?Int32?biYPelsPerMeter;

????????????[MarshalAs（UnmanagedType.I4）]
????????????public?UInt32?biClrUsed;

????????????[MarshalAs（UnmanagedType.I4）]
????????????public?UInt32?biClrImportant;
????????}

????????public?BITMAPINFOHEADER?BMPInfoHead（）
????????{
????????????BITMAPINFOHEADER?myheader?=?new?BITMAPINFOHEADER（）;
????????????myheader.biSize?=?40;
????????????myheader.biPlanes?=?1;
????????????myheader.biBitCount?=?24;
????????????myheader.biCompression?=?0;
????????????myheader.biWidth?=?width;
????????????myheader.biHeight?=?-height;??//?bmp.Height;
????????????//myheader.biSizeImage?=?（uint）rgb24.Length;
????????????//myheader.biXPelsPerMeter?=?0;
????????????//myheader.biYPelsPerMeter?=?0;
????????????//myheader.biClrUsed?=?0;
????????????//myheader.biClrImportant?=?0;
????????????
????????????return?myheader;

????????????//結構體指針用法
????????????//IntPtr?pp?=?Marshal.AllocHGlobal（Marshal.SizeOf（myheader））;
????????????//Marshal.StructureToPtr（myheader?pp?true）;
????????????//Marshal.FreeHGlobal（pp）;
????????}

????????private?int?width;
????????private?int?height;
????????private?int?length;
????????private?int?v;??//v值的起始位置
????????private?int?u;??//u值的起始位置

????????private?int[]?Table_fv1;
????????private?int[]?Table_fv2;
????????private?int[]?Table_fu1;
????????private?int[]?Table_fu2;
????????private?int[]?rgb?=?new?int[3];
????????
????????private?int?rdif?invgdif?bdif;
????????private?int?m?n?i?j?hfWidth;
????????private?bool?addHalf?=?true;
????????private?int?py;
????????private?int?pos?pos1;//dopod?595?圖像調整
????????private?byte?temp;
????????private?int?bytePerLine;

????????private?byte[]?rgb24;
????????public?YV12ToBMP（int?iWidth?int?iHeight）
????????{
????????????Table_fv1?=?new?int[256]?{?-180?-179?-177?-176?-174?-173?-172?-170?-169?-167?-166?-165?-163?-162?-160?-159?-158?-156?-155?-153?-152?-151?
?????????