public IMG(Stream stream)
{
using (BinaryReader reader = new BinaryReader(stream))
{
byte[] buffer2;
if (!reader.ReadBytes(4).SequenceEqual <byte>(_defaultHeader))
{
throw new InvalidDataException("Invalid header.");
}
reader.ReadInt32();
byte num = reader.ReadByte();
if (num > 0x20)
{
string str = reader.ReadString(BinaryStringFormat.ZeroTerminated);
this._description = ((char)num) + str;
num = reader.ReadByte();
}
byte b = reader.ReadByte();
this._compressed = b.GetBit(6);
bool bit = b.GetBit(7);
Color[] colorArray = null;
if (bit)
{
short num3 = reader.ReadInt16();
colorArray = new Color[num3 + 1];
colorArray[0] = Color.Black;
for (int i = 1; i <= num3; i++)
{
colorArray[i] = Color.FromArgb(reader.ReadByte(), reader.ReadByte(), reader.ReadByte());
}
}
short width = reader.ReadInt16();
short height = reader.ReadInt16();
if (num == 8)
{
if (colorArray == null)
{
throw new InvalidDataException("Image is palettized, but does not specify a palette.");
}
this._bitmap = new System.Drawing.Bitmap(width, height, PixelFormat.Format8bppIndexed);
ColorPalette palette = this._bitmap.Palette;
for (int j = 0; j < colorArray.Length; j++)
{
palette.Entries[j] = colorArray[j];
}
this._bitmap.Palette = palette;
}
if (this._compressed)
{
buffer2 = new byte[width * height];
Compression.Decompress(reader, ref buffer2);
}
else
{
buffer2 = reader.ReadBytes(width * height);
}
BitmapData bitmapdata = this._bitmap.LockBits(new Rectangle(Point.Empty, this._bitmap.Size), ImageLockMode.WriteOnly, this._bitmap.PixelFormat);
Marshal.Copy(buffer2, 0, bitmapdata.Scan0, buffer2.Length);
this._bitmap.UnlockBits(bitmapdata);
}
}
public IMG(BinaryReader b, ref List <Sprite> iSprite, ref List <Frame> iFrame)
{
byte[] buffer;
this.Description = new List <byte>();
this.Signature = b.ReadInt32();
this.FileLength = b.ReadInt32();
this.BitRate = b.ReadByte();
if ((this.BitRate != 1) && (this.BitRate != 8))
{
System.IO.Stream baseStream = b.BaseStream;
baseStream.Position -= 1L;
for (int i = 0; i < 0x100; i++)
{
this.Description.Add(b.ReadByte());
if (this.Description[i] == 0)
{
break;
}
}
this.BitRate = b.ReadByte();
}
this.Flags = b.ReadByte();
if ((this.Flags == 0x80) || (this.Flags == 0xc0))
{
this.FlagPalette = true;
}
if ((this.Flags == 0x40) || (this.Flags == 0xc0))
{
this.FlagCompressed = true;
}
if (this.FlagPalette)
{
this.PaletteCount = b.ReadInt16();
this.Palette = new byte[this.PaletteCount, 3];
for (int j = 0; j < this.PaletteCount; j++)
{
this.Palette[j, 0] = b.ReadByte();
this.Palette[j, 1] = b.ReadByte();
this.Palette[j, 2] = b.ReadByte();
}
}
else if (this.BitRate == 1)
{
this.PaletteCount = 1;
this.Palette = new byte[, ] {
{ 0xff, 0xff, 0xff }
};
}
this.Width = b.ReadInt16();
this.Height = b.ReadInt16();
this.Size = this.Width * this.Height;
if (this.BitRate == 1)
{
this.Size /= 8;
}
if (this.FlagCompressed)
{
buffer = new byte[this.Size];
Compression.Decompress(b, ref buffer);
}
else
{
buffer = b.ReadBytes(this.Size);
}
iFrame.Add(new Frame(this.Palette, 0, 0, 0, 0, this.Width, this.Height, buffer));
}
public SPR(BinaryReader b, ref List <Sprite> iSprite, ref List <Frame> iFrame)
{
this.Signature = b.ReadInt32();
this.FileLength = b.ReadInt32();
this.BitRate = b.ReadByte();
if ((this.BitRate != 1) && (this.BitRate != 8))
{
System.IO.Stream baseStream = b.BaseStream;
baseStream.Position -= 1L;
for (int i = 0; i < 0x100; i++)
{
this.Description.Add(b.ReadByte());
if (this.Description[i] == 0)
{
break;
}
}
this.BitRate = b.ReadByte();
}
this.Flags = b.ReadByte();
if ((this.Flags == 0x80) || (this.Flags == 0xc0))
{
this.FlagPalette = true;
}
if ((this.Flags == 0x40) || (this.Flags == 0xc0))
{
this.FlagCompressed = true;
}
if (this.FlagPalette)
{
this.PaletteCount = b.ReadInt16();
this.Palette = new byte[this.PaletteCount, 3];
for (int j = 0; j < this.PaletteCount; j++)
{
this.Palette[j, 0] = b.ReadByte();
this.Palette[j, 1] = b.ReadByte();
this.Palette[j, 2] = b.ReadByte();
}
}
if (this.FlagCompressed)
{
this.Streams = b.ReadInt16();
if (this.Description.Count == 0)
{
int num3 = (4 - (((int)b.BaseStream.Position) % 4)) % 4;
for (int num4 = 0; num4 < num3; num4++)
{
b.ReadByte();
}
}
Stream[] streamArray = new Stream[this.Streams];
for (int k = 0; k < this.Streams; k++)
{
streamArray[k].CompressedStart = b.ReadInt32();
streamArray[k].Unknown = b.ReadInt32();
streamArray[k].DecompressedLength = b.ReadInt32();
}
this.Unknown4 = b.ReadInt16();
this.FrameRate = b.ReadInt16();
this.AnimationFlags = b.ReadInt16();
this.Width = b.ReadInt16();
this.Height = b.ReadInt16();
this.FrameCount = b.ReadInt16();
for (int m = 0; m < this.FrameCount; m++)
{
short position = b.ReadInt16();
b.ReadByte();
byte stream = b.ReadByte();
iFrame.Add(new Frame(this.Palette, stream, position, b.ReadInt16(), b.ReadInt16(), b.ReadInt16(), b.ReadInt16()));
}
for (int n = 0; n < this.Streams; n++)
{
streamArray[n].Data = new byte[streamArray[n].DecompressedLength];
Compression.Decompress(b, ref streamArray[n].Data);
}
for (int num10 = 0; num10 < this.FrameCount; num10++)
{
for (int num11 = 0; num11 < iFrame[num10].Size; num11++)
{
//if (streamArray[iFrame[num10].Stream].Data[(iFrame[num10].Position - 1) + num11] <= streamArray[iFrame[num10].Stream].Data.Length)
iFrame[num10].Data[num11] = streamArray[iFrame[num10].Stream].Data[(iFrame[num10].Position - 1) + num11];
}
}
}
else
{
this.Unknown4 = b.ReadInt16();
this.FrameRate = b.ReadInt16();
this.AnimationFlags = b.ReadInt16();
this.Width = b.ReadInt16();
this.Height = b.ReadInt16();
this.FrameCount = b.ReadInt16();
int num12 = (4 - (((int)b.BaseStream.Position) % 4)) % 4;
for (int num13 = 0; num13 < num12; num13++)
{
b.ReadByte();
}
for (int num14 = 0; num14 < this.FrameCount; num14++)
{
iFrame.Add(new Frame(this.Palette, 0, (short)b.ReadInt32(), b.ReadInt16(), b.ReadInt16(), b.ReadInt16(), b.ReadInt16()));
}
for (int num15 = 0; num15 < this.FrameCount; num15++)
{
iFrame[num15].Data = b.ReadBytes(iFrame[num15].Size);
}
}
iSprite.Add(new Sprite(this.Palette, this.AnimationFlags, this.Width, this.Height, 0, this.FrameCount, 0, (byte)this.FrameRate));
iSprite[iSprite.Count - 1].CalculateCrop(ref iFrame);
if (this.Description.Count != 0)
{
iSprite[iSprite.Count - 1].Description = this.Description;
}
Sprites = iSprite;
Frames = iFrame;
}
