public TagBitmapFileInfo getBitmapFileInfo(string fileName)
{
FileStream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read);
byte[] info = new byte[16];
List <byte> list = new List <byte>();
TagBitmapFileInfo fileInfo = new TagBitmapFileInfo();
try
{
stream.Position = 0;
stream.Read(info, 0, 16);
list.AddRange(info);
info = new byte[16];
stream.Position = 16;
stream.Read(info, 0, 16);
list.AddRange(info);
info = new byte[16];
stream.Position = 32;
stream.Read(info, 0, 16);
list.AddRange(info);
info = new byte[6];
stream.Position = 48;
stream.Read(info, 0, 6);
list.AddRange(info);
info = new byte[54];
info = list.ToArray();
fileInfo.biSize = ByteConvertInt.byte4Uint(info, 14);
fileInfo.biWidth = ByteConvertInt.byte4Long(info, 18);
fileInfo.biHeight = ByteConvertInt.byte4Long(info, 22);
fileInfo.biPlanes = ByteConvertInt.byte2Int(info, 26);
//fileInfo.biPlanes = Encoding.ASCII.GetString(info, 26, 2);
fileInfo.biBitCount = ByteConvertInt.byte2Int(info, 28);
//fileInfo.biBitCount = Encoding.ASCII.GetString(info, 28, 2);
fileInfo.biCompression = ByteConvertInt.byte4Uint(info, 30);
fileInfo.biSizeImage = ByteConvertInt.byte4Uint(info, 34);
fileInfo.biXPelsPerMeter = ByteConvertInt.byte4Long(info, 38);
fileInfo.biYPelsPerMeter = ByteConvertInt.byte4Long(info, 42);
fileInfo.biClrUsed = ByteConvertInt.byte4Uint(info, 46);
fileInfo.biClrImportant = ByteConvertInt.byte4Uint(info, 50);
}
catch (Exception e)
{
MessageBox.Show("Error: " + e.Message);
stream.Close();
}
return(fileInfo);
}
public void displayInfo(TagBitmapFileInfo fileInfo)
{
string info = "Size: " + fileInfo.biSize
+ "\nWidth: " + fileInfo.biWidth
+ "\nHeight: " + fileInfo.biHeight
+ "\nPlanes: " + fileInfo.biPlanes
+ "\nBitCount: " + fileInfo.biBitCount
+ "\nCompression: " + fileInfo.biCompression
+ "\nSizeImage: " + fileInfo.biSizeImage
+ "\nXPelsPerMeter: " + fileInfo.biXPelsPerMeter
+ "\nYPelsPerMeter: " + fileInfo.biYPelsPerMeter
+ "\nColor used: " + fileInfo.biClrUsed
+ "\nColor Important: " + fileInfo.biClrImportant;
txtInformation.Text = info;
}
private void listPath_SelectedValueChanged(object sender, EventArgs e)
{
if (listPath.Items.Count != 0)
{
try {
string fileName = listPath.SelectedItem.ToString();
TagBitmapFileHeader fileheader = getBitmapFileHeader(fileName);
displayHeader(fileheader);
TagBitmapFileInfo fileInfo = getBitmapFileInfo(fileName);
displayInfo(fileInfo);
}
catch (Exception)
{
}
}
}
public void displayImage(string fileName, TagBitmapFileInfo info)
{
FileStream file = new FileStream(fileName, FileMode.Open, FileAccess.Read);
long stride = (info.biWidth * (info.biBitCount / 8));
byte[] data = new byte[10];
byte temp;
long size = 0;
long position = 54;
List <Color> listColor = new List <Color>();
List <List <Color> > listImage = new List <List <Color> >();
file.Position = position;
file.Read(data, 6, 10);
for (int i = 0; i < info.biHeight; i++)
{
size = 0;
listColor = new List <Color>();
while (size < stride)
{
file.Position = position;
file.Read(data, 0, 3);
temp = data[0];
data[0] = data[2];
data[2] = temp;
Color color = Color.FromArgb(data[0], data[1], data[2]);
listColor.Add(color);
}
position += stride;
listImage.Insert(0, listColor);
}
}
