public ShpTSReader(string Filename, ref TSHP SHP, frmMain sender)
{
int FileSize;
int x;
int CP;
int result;
string hex;
byte[] Cbyte;
int Image_Size;
int NextOffset;
CP = 0;
byte[] PCurrentData;
byte CData;
byte[] Databuffer;
FileStream F = new FileStream(Filename, FileMode.Open, FileAccess.Read);
BinaryReader reader = new BinaryReader(F);
// Store the whole file in the memory
FileSize = (int)F.Length;
PCurrentData = new byte[FileSize];
F.Read(PCurrentData, 0, (int)FileSize);
F.Close();
// Get Header
SHP.Header.A = ((ushort)((ushort)(PCurrentData[CP])));
CP += 2;
Cbyte = new byte[2];
Cbyte[1] = ((byte)(PCurrentData[CP]));
CP += 1;
Cbyte[0] = ((byte)(PCurrentData[CP]));
hex = BitConverter.ToString(Cbyte);
hex = hex.Replace("-", "");
result = System.UInt16.Parse(hex, System.Globalization.NumberStyles.AllowHexSpecifier);
SHP.Header.Width = (ushort)result;
CP += 1;
Cbyte = new byte[2];
Cbyte[1] = ((byte)(PCurrentData[CP]));
CP += 1;
Cbyte[0] = ((byte)(PCurrentData[CP]));
hex = BitConverter.ToString(Cbyte);
hex = hex.Replace("-", "");
result = System.UInt16.Parse(hex, System.Globalization.NumberStyles.AllowHexSpecifier);
SHP.Header.Height = (ushort)result;
CP += 1;
SHP.Header.NumImages = ((ushort)((ushort)(PCurrentData[CP])));
CP += 2;
SHP.Data = new TSHPData[SHP.Header.NumImages + 1];
for (x = 1; x <= SHP.Header.NumImages; x++)
{
SHP.Data[x].Header_Image = new THeader_Image();
// Load Image Headers
SHP.Data[x].Header_Image.x = ((ushort)((ushort)(PCurrentData[CP])));
CP += 2;
SHP.Data[x].Header_Image.y = ((ushort)((ushort)(PCurrentData[CP])));
CP += 2;
SHP.Data[x].Header_Image.cx = ((ushort)((ushort)(PCurrentData[CP])));
CP += 2;
SHP.Data[x].Header_Image.cy = ((ushort)((ushort)(PCurrentData[CP])));
CP += 2;
SHP.Data[x].Header_Image.compression = ((byte)(PCurrentData[CP]));
CP += 1;
SHP.Data[x].Header_Image.align = new byte[3];
SHP.Data[x].Header_Image.align[0] = ((byte)(PCurrentData[CP]));
CP += 1;
SHP.Data[x].Header_Image.align[1] = ((byte)(PCurrentData[CP]));
CP += 1;
SHP.Data[x].Header_Image.align[2] = ((byte)(PCurrentData[CP]));
CP += 5;
SHP.Data[x].Header_Image.zero = ((int)(PCurrentData[CP]));
CP += 1;
SHP.Data[x].Header_Image.transparent = new byte[3];
SHP.Data[x].Header_Image.transparent[0] = ((byte)(PCurrentData[CP]));
CP += 1;
SHP.Data[x].Header_Image.transparent[1] = ((byte)(PCurrentData[CP]));
CP += 1;
SHP.Data[x].Header_Image.transparent[2] = ((byte)(PCurrentData[CP]));
CP += 1;
sender.WriteLog("R: " + Convert.ToString(SHP.Data[x].Header_Image.transparent[0]) + " G: " + Convert.ToString(SHP.Data[x].Header_Image.transparent[1]) + " B: " + Convert.ToString(SHP.Data[x].Header_Image.transparent[2]));
Cbyte = new byte[4];
Cbyte[3] = ((byte)(PCurrentData[CP]));
CP += 1;
Cbyte[2] = ((byte)(PCurrentData[CP]));
CP += 1;
Cbyte[1] = ((byte)(PCurrentData[CP]));
CP += 1;
Cbyte[0] = ((byte)(PCurrentData[CP]));
hex = BitConverter.ToString(Cbyte);
hex = hex.Replace("-", "");
result = System.Int32.Parse(hex, System.Globalization.NumberStyles.AllowHexSpecifier);
SHP.Data[x].Header_Image.offset = result;
CP += 1;
}
// Read and decode each image from the file
for (x = 1; x <= SHP.Header.NumImages; x++)
{
// Does it really reads the frame?
if (SHP.Data[x].Header_Image.offset != 0)
{
// Now it checks the compression:
if ((SHP.Data[x].Header_Image.compression == 3))
{
// decode it
// Compression 3
NextOffset = FindNextOffsetFrom(SHP, x + 1, SHP.Header.NumImages);
if (NextOffset != 0)
{
Image_Size = NextOffset - SHP.Data[x].Header_Image.offset;
Databuffer = new byte[Image_Size];
for (int i = 0; i < Image_Size; i++)
{
CData = ((byte)(PCurrentData[SHP.Data[x].Header_Image.offset+i]));
Databuffer[i] = CData;
}
SHP.Data[x].Databuffer = new byte[(SHP.Data[x].Header_Image.cx * SHP.Data[x].Header_Image.cy)];
Decode3(Databuffer, ref SHP.Data[x].Databuffer, SHP.Data[x].Header_Image.cx, SHP.Data[x].Header_Image.cy, ref FileSize, sender);
}
else
{
Image_Size = 0;
Image_Size = FileSize - SHP.Data[x].Header_Image.offset;
Databuffer = new byte[Image_Size];
for (int i = 0; i < Image_Size; i++)
{
CData = ((byte)(PCurrentData[SHP.Data[x].Header_Image.offset + i]));
Databuffer[i] = CData;
}
SHP.Data[x].Databuffer = new byte[((SHP.Data[x].Header_Image.cx * SHP.Data[x].Header_Image.cy))];
Decode3(Databuffer, ref SHP.Data[x].Databuffer, SHP.Data[x].Header_Image.cx, SHP.Data[x].Header_Image.cy, ref Image_Size, sender);
}
}
else if ((SHP.Data[x].Header_Image.compression == 2))
{
sender.WriteLog("Decoding compression 2");
NextOffset = FindNextOffsetFrom(SHP, x + 1, SHP.Header.NumImages);
if (NextOffset != 0)
{
Image_Size = NextOffset - SHP.Data[x].Header_Image.offset;
SHP.Data[x].Databuffer = new byte[(SHP.Data[x].Header_Image.cx * SHP.Data[x].Header_Image.cy)];
Databuffer = new byte[Image_Size];
for (int i = 0; i < Image_Size; i++)
{
CData = ((byte)(PCurrentData[SHP.Data[x].Header_Image.offset + i]));
Databuffer[i] = CData;
}
Decode2(Databuffer, ref SHP.Data[x].Databuffer, SHP.Data[x].Header_Image.cx, SHP.Data[x].Header_Image.cy, ref Image_Size, sender);
// Compression 2
}
else
{
Image_Size = 0;
Image_Size = FileSize - SHP.Data[x].Header_Image.offset;
Databuffer = new byte[Image_Size];
for (int i = 0; i < Image_Size; i++)
{
CData = ((byte)(PCurrentData[SHP.Data[x].Header_Image.offset + i]));
Databuffer[i] = CData;
}
SHP.Data[x].Databuffer = new byte[((SHP.Data[x].Header_Image.cx * SHP.Data[x].Header_Image.cy))];
Decode2(Databuffer, ref SHP.Data[x].Databuffer, SHP.Data[x].Header_Image.cx, SHP.Data[x].Header_Image.cy, ref Image_Size, sender);
// Compression 2
}
}
else
{
// Compression 1
Image_Size = (int)(SHP.Data[x].Header_Image.cx * SHP.Data[x].Header_Image.cy);
Databuffer = new byte[Image_Size];
for (int i = 0; i < Image_Size; i++)
{
CData = ((byte)(PCurrentData[SHP.Data[x].Header_Image.offset + i]));
Databuffer[i] = CData;
}
SHP.Data[x].Databuffer = new byte[(SHP.Data[x].Header_Image.cx * SHP.Data[x].Header_Image.cy)];
SHP.Data[x].Databuffer = Databuffer;
}
}
// Set the shp's databuffer to the result after decompression
}
}
public static int FindNextOffsetFrom(TSHP SHP, int Init, int Last)
{
int result;
result = 0;
Last++;
while ((result == 0) && (Init < Last))
{
result = SHP.Data[Init].Header_Image.offset;
Init++;
}
return result;
}
