public List <ImgEntity> compress(List <ImgEntity> now)
{
List <ImgEntity> changes = new List <ImgEntity>();
if (old == null)
{
Console.WriteLine("初始化桌面数据");
old = now;
return(now);
}
for (int i = 0; i < now.Count; i++)
{
byte[] chang = compara(old[i].body, now[i].body);
if (chang != null)
{
//Console.WriteLine("比较后数据 : 第" + now[i].posX + "-" + now[i].posY + "组 ： 数据长度 " + chang.Length + " , 3:" + chang[chang.Length - 3] + " , 2: " + chang[chang.Length - 2] + " , 1: " + chang[chang.Length - 1]);
ImgEntity changEntity = new ImgEntity();
changEntity.posX = now[i].posX;
changEntity.posY = now[i].posY;
changEntity.width = now[i].width;
changEntity.height = now[i].height;
changEntity.realLenth = now[i].realLenth;
changEntity.body = compressByte(chang);
changes.Add(changEntity);
//Console.WriteLine("压缩后数据 : 第" + changEntity.posX + "-" + changEntity.posY + "组 ： 数据长度 " + changEntity.body.Length + " , 3:" + changEntity.body[changEntity.body.Length - 3] + " , 2: " + changEntity.body[changEntity.body.Length - 2] + " , 1: " + changEntity.body[changEntity.body.Length - 1 ]);
}
}
//Console.WriteLine("本次传递压缩后数据分块数量： " + changes.Count);
old = now;
return(changes);
}
public List<ImgEntity> compress(List<ImgEntity> now)
{
List<ImgEntity> changes = new List<ImgEntity>();
if (old == null)
{
Console.WriteLine("初始化桌面数据");
old = now;
return now;
}
for (int i = 0; i < now.Count; i++)
{
byte[] chang = compara(old[i].body, now[i].body);
if (chang != null)
{
//Console.WriteLine("比较后数据 : 第" + now[i].posX + "-" + now[i].posY + "组 ： 数据长度 " + chang.Length + " , 3:" + chang[chang.Length - 3] + " , 2: " + chang[chang.Length - 2] + " , 1: " + chang[chang.Length - 1]);
ImgEntity changEntity = new ImgEntity();
changEntity.posX = now[i].posX;
changEntity.posY = now[i].posY;
changEntity.width = now[i].width;
changEntity.height = now[i].height;
changEntity.realLenth = now[i].realLenth;
changEntity.body = compressByte(chang);
changes.Add(changEntity);
//Console.WriteLine("压缩后数据 : 第" + changEntity.posX + "-" + changEntity.posY + "组 ： 数据长度 " + changEntity.body.Length + " , 3:" + changEntity.body[changEntity.body.Length - 3] + " , 2: " + changEntity.body[changEntity.body.Length - 2] + " , 1: " + changEntity.body[changEntity.body.Length - 1 ]);
}
}
//Console.WriteLine("本次传递压缩后数据分块数量： " + changes.Count);
old = now;
return changes;
}
public List <ImgEntity> getImgs()
{
List <ImgEntity> imgs = new List <ImgEntity>();
Int32[] screenXY = GetScreenPixel();
for (int indexX = 1; indexX <= MyConfig.INT_BLOCK_X_COUNT; indexX++)
{
for (int indexY = 1; indexY <= MyConfig.INT_BLOCK_Y_COUNT; indexY++)
{
ImgEntity imgEntity = new ImgEntity();
imgEntity.width = (short)(screenXY[0] / MyConfig.INT_BLOCK_X_COUNT);
imgEntity.height = (short)(screenXY[1] / MyConfig.INT_BLOCK_Y_COUNT);
imgEntity.posX = (short)((indexX - 1) * imgEntity.width);
imgEntity.posY = (short)((indexY - 1) * imgEntity.height);
if (indexX == MyConfig.INT_BLOCK_X_COUNT)
{
imgEntity.width = (short)(imgEntity.width + (screenXY[0] % MyConfig.INT_BLOCK_X_COUNT));
}
if (indexY == MyConfig.INT_BLOCK_Y_COUNT)
{
imgEntity.height = (short)(imgEntity.height + (screenXY[1] % MyConfig.INT_BLOCK_Y_COUNT));
}
//初始化一个图形操作句柄
Graphics screenGraphic = Graphics.FromHwnd(IntPtr.Zero);
//初始化一个位图 宽、 高、 分辨率，分辨率和屏幕分辨率一致
Bitmap screenBitmap = new Bitmap(imgEntity.width, imgEntity.height, screenGraphic);
//从指定的图形接口，链接到screenbitmap，以便操作位图
Graphics bitmapGraphics = Graphics.FromImage(screenBitmap);
//获取操作屏幕的句柄
IntPtr hdcScreen = screenGraphic.GetHdc();
//获取操作新建位图的句柄
IntPtr hdcBitmap = bitmapGraphics.GetHdc();
//截屏操作
BitBlt(hdcBitmap, 0, 0, imgEntity.width, imgEntity.height, hdcScreen, imgEntity.posX, imgEntity.posY, CopyPixelOperation.SourceCopy | CopyPixelOperation.CaptureBlt);
screenGraphic.ReleaseHdc(hdcScreen);
bitmapGraphics.ReleaseHdc(hdcBitmap);
screenGraphic.Dispose();
bitmapGraphics.Dispose();
ImageCodecInfo[] CodecInfo = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo imgInfo = null;
foreach (ImageCodecInfo ici in CodecInfo)
{
if (ici.MimeType == "image/jpeg")
{
imgInfo = ici;
}
}
EncoderParameter p = new EncoderParameter(Encoder.Quality, MyConfig.INT_DESKTOP_QA);
EncoderParameters ps = new EncoderParameters(1);
ps.Param[0] = p;
//screenBitmap.Save("e:\\"+indexX+indexY+".jpg", imgInfo, ps);
MemoryStream mStream = new MemoryStream();
screenBitmap.Save(mStream, imgInfo, ps);
Byte[] imgBuffer = new Byte[mStream.Length];
mStream.Seek(0, SeekOrigin.Begin);
mStream.Read(imgBuffer, 0, (Int32)mStream.Length);
imgEntity.body = imgBuffer;
imgEntity.realLenth = imgBuffer.Length;
//Console.WriteLine("原始数据 : 第" + imgEntity.posX + "-" + imgEntity.posY + "组 ： 数据长度 "+imgEntity.body.Length+" , 3:" + imgEntity.body[imgEntity.realLenth - 3]+" , 2: " + imgEntity.body[imgEntity.realLenth - 2]+ " , 1: "+imgEntity.body[imgEntity.realLenth - 1]);
imgs.Add(imgEntity);
}
}
return(imgs);
}
public List<ImgEntity> getImgs()
{
List<ImgEntity> imgs = new List<ImgEntity>();
Int32[] screenXY = GetScreenPixel();
for (int indexX = 1; indexX <= MyConfig.INT_BLOCK_X_COUNT; indexX++)
{
for (int indexY = 1; indexY <= MyConfig.INT_BLOCK_Y_COUNT; indexY++)
{
ImgEntity imgEntity = new ImgEntity();
imgEntity.width = (short)(screenXY[0] / MyConfig.INT_BLOCK_X_COUNT);
imgEntity.height = (short)(screenXY[1] / MyConfig.INT_BLOCK_Y_COUNT);
imgEntity.posX = (short)((indexX - 1) * imgEntity.width);
imgEntity.posY = (short)((indexY - 1) * imgEntity.height);
if (indexX == MyConfig.INT_BLOCK_X_COUNT)
{
imgEntity.width = (short)(imgEntity.width + (screenXY[0] % MyConfig.INT_BLOCK_X_COUNT));
}
if (indexY == MyConfig.INT_BLOCK_Y_COUNT)
{
imgEntity.height = (short)(imgEntity.height + (screenXY[1] % MyConfig.INT_BLOCK_Y_COUNT));
}
//初始化一个图形操作句柄
Graphics screenGraphic = Graphics.FromHwnd(IntPtr.Zero);
//初始化一个位图 宽、 高、 分辨率，分辨率和屏幕分辨率一致
Bitmap screenBitmap = new Bitmap(imgEntity.width, imgEntity.height, screenGraphic);
//从指定的图形接口，链接到screenbitmap，以便操作位图
Graphics bitmapGraphics = Graphics.FromImage(screenBitmap);
//获取操作屏幕的句柄
IntPtr hdcScreen = screenGraphic.GetHdc();
//获取操作新建位图的句柄
IntPtr hdcBitmap = bitmapGraphics.GetHdc();
//截屏操作
BitBlt(hdcBitmap, 0, 0,imgEntity.width,imgEntity.height , hdcScreen,imgEntity.posX , imgEntity.posY, CopyPixelOperation.SourceCopy|CopyPixelOperation.CaptureBlt);
screenGraphic.ReleaseHdc(hdcScreen);
bitmapGraphics.ReleaseHdc(hdcBitmap);
screenGraphic.Dispose();
bitmapGraphics.Dispose();
ImageCodecInfo[] CodecInfo = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo imgInfo = null;
foreach (ImageCodecInfo ici in CodecInfo)
{
if (ici.MimeType == "image/jpeg")
{
imgInfo = ici;
}
}
EncoderParameter p = new EncoderParameter(Encoder.Quality, MyConfig.INT_DESKTOP_QA);
EncoderParameters ps = new EncoderParameters(1);
ps.Param[0] = p;
//screenBitmap.Save("e:\\"+indexX+indexY+".jpg", imgInfo, ps);
MemoryStream mStream = new MemoryStream();
screenBitmap.Save(mStream, imgInfo, ps);
Byte[] imgBuffer = new Byte[mStream.Length];
mStream.Seek(0, SeekOrigin.Begin);
mStream.Read(imgBuffer, 0, (Int32)mStream.Length);
imgEntity.body = imgBuffer;
imgEntity.realLenth = imgBuffer.Length;
//Console.WriteLine("原始数据 : 第" + imgEntity.posX + "-" + imgEntity.posY + "组 ： 数据长度 "+imgEntity.body.Length+" , 3:" + imgEntity.body[imgEntity.realLenth - 3]+" , 2: " + imgEntity.body[imgEntity.realLenth - 2]+ " , 1: "+imgEntity.body[imgEntity.realLenth - 1]);
imgs.Add(imgEntity);
}
}
return imgs;
}
