/*
* /// <summary>
* /// 重载加入图片水印
* /// </summary>
* /// <param name="picLen"></param>
* /// <param name="bufPic"></param>
* /// <param name="Hamming">循环冗余检验</param>
* /// <param name="markLocate2"></param>
* /// <param name="TableName"></param>
* /// <param name="DBType"></param>
* /// <param name="field"></param>
* public void PicMark(int picLen, byte[] bufPic, string Hamming, ArrayList[] markLocate2, byte picX, byte picY, string TableName, string DBType, ArrayList field)
* {
* int i;
* string mark = "";
* string head;
* string tail;
* int picMarkBit;
* picMarkBit = (picLen - 62) * 8 + picX / 4 * 3 * picY;
*
* for (i = 62; i < picLen; i++)
* {
* string binary = System.Convert.ToString(bufPic[i], 2);
* while (binary.Length < 8)
* {
* binary = binary.Insert(0, "0");
* }
* head = binary.Substring(0, 4);
* tail = binary.Substring(4, 4);
* mark = mark + head + Hamming.Substring((i - 62) * 2 * 3, 3) + tail + Hamming.Substring(((i - 62) * 2 + 1) * 3, 3);
* }
*
* for (i = 0; i < picMarkBit; i++)
* {
* DBlink myLink = new DBlink();
* myLink.AddPicInfo(mark[i], (int)markLocate2[0][i], (int)markLocate2[1][i], TableName, DBType, field);
* }
* }
*/
public byte[] GetPic(int picLen, byte picOffset1, byte picOffset2, byte picX, byte picY, ArrayList[] markLocate2, string TableName, string DBType, ArrayList field)
{
int i;
string temp;
int picMarkBit;
byte[] myPic = new byte[picLen];
string mark = "";
int count = 0;
int key = 62;
byte[] head = { 66, 77, picOffset1, picOffset2, 0, 0, 0, 0, 0, 0, 62, 0, 0, 0, 40, 0, 0, 0, picX, 0, 0, 0, picY,
0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,2, 0, 0,
0, 2, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255 };
picMarkBit = (picLen - 62) * 8;
for (i = 0; i < picMarkBit; i++)
{
DBlink myLink = new DBlink();
temp = myLink.GetPicInfo((int)markLocate2[0][i], (int)markLocate2[1][i], TableName, DBType, field);
if ((int)temp[temp.Length - 1] == 8204)
{
mark += 0;
}
else
{
mark += 1;
}
count++;
if (count == 8)
{
count = 0;
myPic[key] = System.Convert.ToByte(mark, 2);
mark = "";
key++;
}
}
for (i = 0; i < 62; i++)
{
myPic[i] = head[i];
}
return(myPic);
}
/*
/// <summary>
/// 重载加入图片水印
/// </summary>
/// <param name="picLen"></param>
/// <param name="bufPic"></param>
/// <param name="Hamming">循环冗余检验</param>
/// <param name="markLocate2"></param>
/// <param name="TableName"></param>
/// <param name="DBType"></param>
/// <param name="field"></param>
public void PicMark(int picLen, byte[] bufPic, string Hamming, ArrayList[] markLocate2, byte picX, byte picY, string TableName, string DBType, ArrayList field)
{
int i;
string mark = "";
string head;
string tail;
int picMarkBit;
picMarkBit = (picLen - 62) * 8 + picX / 4 * 3 * picY;
for (i = 62; i < picLen; i++)
{
string binary = System.Convert.ToString(bufPic[i], 2);
while (binary.Length < 8)
{
binary = binary.Insert(0, "0");
}
head = binary.Substring(0, 4);
tail = binary.Substring(4, 4);
mark = mark + head + Hamming.Substring((i - 62) * 2 * 3, 3) + tail + Hamming.Substring(((i - 62) * 2 + 1) * 3, 3);
}
for (i = 0; i < picMarkBit; i++)
{
DBlink myLink = new DBlink();
myLink.AddPicInfo(mark[i], (int)markLocate2[0][i], (int)markLocate2[1][i], TableName, DBType, field);
}
}
*/
public byte[] GetPic(int picLen, byte picOffset1, byte picOffset2, byte picX, byte picY, ArrayList[] markLocate2, string TableName, string DBType, ArrayList field)
{
int i;
string temp;
int picMarkBit;
byte[] myPic = new byte[picLen];
string mark = "";
int count = 0;
int key = 62;
byte[] head = {66,77,picOffset1,picOffset2,0,0,0,0,0,0,62,0,0,0,40,0,0,0,picX,0,0,0,picY,
0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,
0,2,0,0,0,0,0,0,255,255,255,255,255};
picMarkBit = (picLen - 62) * 8;
for (i = 0; i < picMarkBit; i++)
{
DBlink myLink = new DBlink();
temp = myLink.GetPicInfo((int)markLocate2[0][i], (int)markLocate2[1][i], TableName, DBType, field);
if ((int)temp[temp.Length - 1] == 8204)
mark += 0;
else
mark += 1;
count++;
if (count == 8)
{
count = 0;
myPic[key] = System.Convert.ToByte(mark, 2);
mark = "";
key++;
}
}
for (i = 0; i < 62; i++)
{
myPic[i] = head[i];
}
return myPic;
}
