public Bitmap(CacheArchive archive, string imageArchive, int fileIndex)
{
JagexBuffer data = new DefaultJagexBuffer(archive.GetFile(imageArchive + ".dat"));
JagexBuffer idx = new DefaultJagexBuffer(archive.GetFile("index.dat"));
idx.Position(data.ReadUShort());
this.CropWidth = idx.ReadUShort();
this.CropHeight = idx.ReadUShort();
this.Palette = new int[idx.ReadUByte()];
for (int i = 0; i < this.Palette.Length - 1; i++)
{
this.Palette[i + 1] = idx.ReadTriByte();
}
for (int l = 0; l < fileIndex; l++)
{
idx.Position(idx.Position() + 2);
data.Position(data.Position() + idx.ReadUShort() * idx.ReadUShort());
idx.Position(idx.Position() + 1);
}
this.OffsetX = idx.ReadUByte();
this.OffsetY = idx.ReadUByte();
this.Width = idx.ReadUShort();
this.Height = idx.ReadUShort();
int type = idx.ReadUByte();
this.Pixels = new sbyte[this.Width * this.Height];
if (type == 0)
{
for (int i = 0; i < this.Pixels.Length; i++)
{
this.Pixels[i] = (sbyte)data.ReadByte();
if (this.Palette[this.Pixels[i]] == 0)
{
HadTransparent = true;
}
}
}
else if (type == 1)
{
for (int x = 0; x < this.Width; x++)
{
for (int y = 0; y < this.Height; y++)
{
this.Pixels[x + (y * this.Width)] = (sbyte)data.ReadByte();
if (this.Palette[this.Pixels[x + (y * this.Width)]] == 0)
{
HadTransparent = true;
}
}
}
}
}