private void generateSnapshot()
{
Bitmap img;
Bitmap scr = captureScreen();
int screenWidth = scr.Width;
int screenHeight = scr.Height;
int index = 0;
int currentPieceWidth = sliceWidth, currentPieceHeight = sliceHeight;
for (int currentRow = 0; currentRow < screenHeight; currentRow += sliceHeight) // loop through Y
{
for (int currentColumn = 0; currentColumn < screenWidth; currentColumn += sliceWidth) // loop through X
{
if ((currentColumn + currentPieceWidth) > screenWidth) // tiles smaller than slice width
currentPieceWidth = screenWidth - currentColumn;
if ((currentRow + currentPieceHeight) > screenHeight) // tiles smaller than slice height
currentPieceHeight = screenHeight - currentRow;
//number the current image
index++;
//copy the current slice to the image array
img = scr.Clone(new Rectangle(currentColumn, currentRow, currentPieceWidth, currentPieceHeight), scr.PixelFormat);
if ((pieces.Count - 1 >= index) && (pieces[index] != null)) // If the number of pieces is greater than the current piece, and the current piece is there...
{
if (CompareImages.Compare(img, ((Piece)pieces[index]).getImg(0)) != CompareImages.CompareResult.ciCompareOk) // compare them. If not matching... continue...
{
imagesToSend = imagesToSend + String.Format("\nimage{0:000}", index); // add this image to the list of updated images
Piece newPiece = new Piece(index, img); // create a new 'piece' object
pieces[index] = newPiece; // replace the current piece in the array.
imagesToSend = imagesToSend + "/" + newPiece.getCheckSum();
}
}
else
{
Piece newPiece = new Piece(index, img); // it doesnt exist
pieces.Add(newPiece); // so add it.
}
} // end X loop
currentPieceWidth = sliceWidth; // reset the piece width back to slice width...
} // end Y loop
}
