private ImageListStreamer(SerializationInfo info, StreamingContext context)
{
byte [] data = (byte[])info.GetValue("Data", typeof(byte[]));
MemoryStream ms = new MemoryStream(data, false); // readonly stream
foreach(byte b in magicBytes)
{
if(ms.ReadByte() != b)
{
// Handle I18n
throw new FormatException("invalid signature");
}
}
Stream encodedStream = new RunLengthEncodedStream(ms);
BinaryReader reader = new BinaryReader(encodedStream);
try
{
ushort magic = reader.ReadUInt16();
ushort version = reader.ReadUInt16();
ushort currImage = reader.ReadUInt16();
ushort maxImage = reader.ReadUInt16();
ushort grow = reader.ReadUInt16();
ushort width = reader.ReadUInt16();
ushort height = reader.ReadUInt16();
uint bkcolor = reader.ReadUInt32();
ushort flags = reader.ReadUInt16();
short []overlays = new short [4];
for(int i = 0; i < 4 ; i++)
{
overlays[i] = reader.ReadInt16();
}
Image imagelist = Image.FromStream(reader.BaseStream);
if(imagelist is Bitmap)
{
int rowStep = imagelist.Width / width;
images = new Image[currImage];
for(int i = 0 ; i < currImage ; i++)
{
Rectangle imageArea = new Rectangle(
(i % rowStep) / width,
(i/rowStep) * height,
width,
height);
PixelFormat format = imagelist.PixelFormat;
if((imagelist.PixelFormat & PixelFormat.Indexed) != 0)
{
// ImageCollection will reformat back to Indexed
// if needed
format = PixelFormat.Format24bppRgb;
}
images[i] = (imagelist as Bitmap).Clone(imageArea,
format);
}
}
else
{
images = null;
}
}
finally
{
reader.Close();
encodedStream.Close();
ms.Close();
}
}
private ImageListStreamer(SerializationInfo info, StreamingContext context)
{
byte [] data = (byte[])info.GetValue("Data", typeof(byte[]));
MemoryStream ms = new MemoryStream(data, false); // readonly stream
foreach (byte b in magicBytes)
{
if (ms.ReadByte() != b)
{
// Handle I18n
throw new FormatException("invalid signature");
}
}
Stream encodedStream = new RunLengthEncodedStream(ms);
BinaryReader reader = new BinaryReader(encodedStream);
try
{
ushort magic = reader.ReadUInt16();
ushort version = reader.ReadUInt16();
ushort currImage = reader.ReadUInt16();
ushort maxImage = reader.ReadUInt16();
ushort grow = reader.ReadUInt16();
ushort width = reader.ReadUInt16();
ushort height = reader.ReadUInt16();
uint bkcolor = reader.ReadUInt32();
ushort flags = reader.ReadUInt16();
short [] overlays = new short [4];
for (int i = 0; i < 4; i++)
{
overlays[i] = reader.ReadInt16();
}
Image imagelist = Image.FromStream(reader.BaseStream);
if (imagelist is Bitmap)
{
int rowStep = imagelist.Width / width;
images = new Image[currImage];
for (int i = 0; i < currImage; i++)
{
Rectangle imageArea = new Rectangle(
(i % rowStep) / width,
(i / rowStep) * height,
width,
height);
PixelFormat format = imagelist.PixelFormat;
if ((imagelist.PixelFormat & PixelFormat.Indexed) != 0)
{
// ImageCollection will reformat back to Indexed
// if needed
format = PixelFormat.Format24bppRgb;
}
images[i] = (imagelist as Bitmap).Clone(imageArea,
format);
}
}
else
{
images = null;
}
}
finally
{
reader.Close();
encodedStream.Close();
ms.Close();
}
}
