private static void driver(string fileName)
{
long length = GeneralUse.GetFileSize(fileName);
var data = new byte[length];
data = GeneralUse.loadByteArray(fileName);
//Create a list of file headers
List <int> possibleHeaderIndexes = bmpListFunctions.getHeaderIndexes(data);
List <byte[]> possibleHeaderBytes = bmpListFunctions.getPossibleHeaderBytesList(data, possibleHeaderIndexes);
List <BmpFileHeader> fileHeaderHeap = new List <BmpFileHeader>();
for (int idx = 0; idx < possibleHeaderBytes.Count; idx++)
{
BmpFileHeader fileHeader = new BmpFileHeader(possibleHeaderBytes[idx], possibleHeaderIndexes[idx]);
//BmpFileAccessors fileHeader = BmpFileHeaderList.setFileHeader(possibleHeaderBytes[idx], possibleHeaderIndexes[idx]);
if (fileHeader.isValid())
{
fileHeaderHeap.Add(fileHeader);
}
}
fileHeaderHeap = bmpListFunctions.createSortedList(fileHeaderHeap);
WriteAndHashData.Driver(data, fileHeaderHeap, fileName);
Console.WriteLine("Press enter to exit");
Console.Read();
}
/*Returns a list of byte[] arrays that are the length of the
* bitmap file header + the DIB header */
public static List <byte[]> getPossibleHeaderBytesList(byte[] data, List <int> headerIndexList)
{
List <byte[]> possibleHeaderBytesList = new List <byte[]>();
int dibHeaderSize;
byte[] header;
for (int i = 0; i < headerIndexList.Count; i++)
{
header = GeneralUse.FillByteArray(data, headerIndexList[i], 18); //Load with bitmap header + 4 to grab dib header size
dibHeaderSize = BmpFileHeader.getDIBHeaderSize(header);
header = GeneralUse.FillByteArray(data, headerIndexList[i], 14 + dibHeaderSize); //fill byte array with both bmp and dib header
possibleHeaderBytesList.Add(header);
}
return(possibleHeaderBytesList);
}
public static List <BmpFileHeader> createSortedList(List <BmpFileHeader> unsortedHeap)
{
//Simple insertion sort
int j;
for (int i = 1; i < unsortedHeap.Count; i++)
{
j = i;
while (j > 0 && unsortedHeap[j - 1].maxIndex > unsortedHeap[j].maxIndex)
{
BmpFileHeader tmp = unsortedHeap[j - 1];
unsortedHeap[j - 1] = unsortedHeap[j];
unsortedHeap[j] = tmp;
}
}
return(unsortedHeap);
}
){kind=link}