private void ParseInternal(Stream s)
{
using (BinaryReader br = new BinaryReader(s))
{
Blp1ImageType compressionType = (Blp1ImageType)br.ReadInt32();
int mipmapCount = br.ReadInt32();
if (!Enum.IsDefined(typeof(Blp1ImageType), compressionType))
{
throw new InvalidDataException("The file specified an unknown type of BLP1 compression.");
}
if (mipmapCount < 0)
{
throw new InvalidDataException("The file specified a negative number of mipmaps, which is invalid.");
}
_compressionType = compressionType;
int sizeX = br.ReadInt32();
int sizeY = br.ReadInt32();
Size fullImageSize = new Size(sizeX, sizeY);
_mainSize = fullImageSize;
br.ReadInt64(); // skip 'u2';
int[] offsets = new int[MAX_BLP1_MIPMAP_COUNT];
int[] sizes = new int[MAX_BLP1_MIPMAP_COUNT];
for (int i = 0; i < MAX_BLP1_MIPMAP_COUNT; i++)
{
offsets[i] = br.ReadInt32();
}
for (int i = 0; i < MAX_BLP1_MIPMAP_COUNT; i++)
{
sizes[i] = br.ReadInt32();
}
if (compressionType == Blp1ImageType.Palette)
{
ParsePalette(br);
}
else
{
ParseJpgHeader(s, br);
}
for (int i = 0; i < MAX_BLP1_MIPMAP_COUNT; i++)
{
int currentOffset = offsets[i];
int currentSize = sizes[i];
if (currentOffset == 0 || currentSize == 0)
{
break;
}
Size mipmapSize = GetSize(fullImageSize, i);
byte[] data = new byte[currentSize];
s.Seek(currentOffset, SeekOrigin.Begin);
br.Read(data, 0, currentSize);
Blp1MipMap mipmap = new Blp1MipMap(mipmapSize, i, data);
_mipmaps.Add(mipmap);
}
}
}
private void ParseInternal(Stream s)
{
using (BinaryReader br = new BinaryReader(s))
{
Blp1ImageType compressionType = (Blp1ImageType)br.ReadInt32();
int mipmapCount = br.ReadInt32();
if (!Enum.IsDefined(typeof(Blp1ImageType), compressionType))
throw new InvalidDataException("The file specified an unknown type of BLP1 compression.");
if (mipmapCount < 0)
throw new InvalidDataException("The file specified a negative number of mipmaps, which is invalid.");
_compressionType = compressionType;
int sizeX = br.ReadInt32();
int sizeY = br.ReadInt32();
Size fullImageSize = new Size(sizeX, sizeY);
_mainSize = fullImageSize;
br.ReadInt64(); // skip 'u2';
int[] offsets = new int[MAX_BLP1_MIPMAP_COUNT];
int[] sizes = new int[MAX_BLP1_MIPMAP_COUNT];
for (int i = 0; i < MAX_BLP1_MIPMAP_COUNT; i++)
{
offsets[i] = br.ReadInt32();
}
for (int i = 0; i < MAX_BLP1_MIPMAP_COUNT; i++)
{
sizes[i] = br.ReadInt32();
}
if (compressionType == Blp1ImageType.Palette)
{
ParsePalette(br);
}
else
{
ParseJpgHeader(s, br);
}
for (int i = 0; i < MAX_BLP1_MIPMAP_COUNT; i++)
{
int currentOffset = offsets[i];
int currentSize = sizes[i];
if (currentOffset == 0 || currentSize == 0)
break;
Size mipmapSize = GetSize(fullImageSize, i);
byte[] data = new byte[currentSize];
s.Seek(currentOffset, SeekOrigin.Begin);
br.Read(data, 0, currentSize);
Blp1MipMap mipmap = new Blp1MipMap(mipmapSize, i, data);
_mipmaps.Add(mipmap);
}
}
}
