public static void ChangeCurrentPictureNew(ClientScreenShotData data, byte[] fileBytes, List <int> blocks, int widthResolution, int heightResolution)
{
if (blocks == null)
{
return;
}
System.Drawing.Size rectSize = Utils.GetRectangleSize(widthResolution, heightResolution);
int countHorizontalBlocks = widthResolution / rectSize.Width;
int countVerticalBlocks = heightResolution / rectSize.Height;
int pixelInBlock = rectSize.Height * rectSize.Width * 3;
int pixelInLine = pixelInBlock * countHorizontalBlocks;
int totalBlockCount = countHorizontalBlocks * countVerticalBlocks;
int cnt = 0;
for (int b = 0; b < blocks.Count; b++)
{
int blockFullLines = blocks[b] / countHorizontalBlocks;
int blockInNotFullLine = blocks[b] % countHorizontalBlocks;
int startByte = blockFullLines * pixelInLine + blockInNotFullLine * rectSize.Width * 3;
for (int i = startByte; i < startByte + rectSize.Height * widthResolution * 3 - 1; i += widthResolution * 3)
{
for (int j = 0; j < rectSize.Width * 3; j++)
{
try
{
data.colorPackage[i + j] = fileBytes[cnt];
cnt++;
}
catch (Exception ex)
{ }
}
}
}
}
public static BitmapSource CreateNewImage(ClientScreenShotData shot)
{
try
{
int bitsPerPixel = ((int)137224 & 0xff00) >> 8;
int bytesPerPixel = (bitsPerPixel + 7) / 8;
int stride = 4 * ((shot.widthResolution * bytesPerPixel + 3) / 4);
BitmapSource img = BitmapSource.Create(shot.widthResolution, shot.heightResolution, 96, 96, System.Windows.Media.PixelFormats.Bgr24, null, shot.colorPackage, stride);
return(img);
}
catch (Exception ex)
{
return(CreateNewImage(shot));
}
}
public static List <int> getChanges(int widthResolution, int heightResolution, int blockPixelWidth, int blockPixelHeight,
int widthCountOfBlocks, int heightCountOfBlocks, int totalCountOfBlocks, byte[] newPictureBuffer, ClientScreenShotData screenShotData)
{
List <int> arr = new List <int>();
int pixelInBlock = blockPixelHeight * blockPixelWidth * 3;
int pixelInLine = pixelInBlock * widthCountOfBlocks;
for (int block = 0; block < totalCountOfBlocks; block++)
{
int blockFullLines = block / widthCountOfBlocks;
int blockInNotFullLine = block % widthCountOfBlocks;
int startByte = blockFullLines * pixelInLine + blockInNotFullLine * blockPixelWidth * 3;
for (int i = startByte; i < startByte + blockPixelHeight * widthResolution * 3 - 1; i += widthResolution * 3)
{
for (int j = 0; j < blockPixelWidth * 3; j++)
{
if ((screenShotData.colorPackage[i + j] ^ newPictureBuffer[i + j]) != 0)
{
arr.Add(block);
goto nextStep;
}
}
}
nextStep :;
}
return(arr);
}
