public Layer(BinaryReverseReader reverseReader, PsdFile psdFile)
{
AdjustmentInfo = new List<AdjusmentLayerInfo>();
SortedChannels = new SortedList<Int16, Channel>();
Channels = new List<Channel>();
Debug.WriteLine("Layer started at " + reverseReader.BaseStream.Position.ToString(CultureInfo.InvariantCulture));
PsdFile = psdFile;
Rectangle localRectangle = new Rectangle
{
Y = reverseReader.ReadInt32(),
X = reverseReader.ReadInt32()
};
localRectangle.Height = reverseReader.ReadInt32() - localRectangle.Y;
localRectangle.Width = reverseReader.ReadInt32() - localRectangle.X;
Rect = localRectangle;
Int32 numberOfChannels = reverseReader.ReadUInt16();
Channels.Clear();
for (Int32 channel = 0; channel < numberOfChannels; channel++)
{
Channel ch = new Channel(reverseReader, this);
Channels.Add(ch);
SortedChannels.Add(ch.ID, ch);
}
String signature = new String(reverseReader.ReadChars(4));
if (signature != "8BIM") throw (new IOException("Layer Channelheader error"));
_blendModeKeyStr = new String(reverseReader.ReadChars(4));
Opacity = reverseReader.ReadByte();
Clipping = reverseReader.ReadByte() > 0;
Byte flags = reverseReader.ReadByte();
_flags = new BitVector32(flags);
reverseReader.ReadByte(); //padding
Debug.WriteLine("Layer extraDataSize started at " + reverseReader.BaseStream.Position.ToString(CultureInfo.InvariantCulture));
// this is the total size of the MaskData, the BlendingRangesData, the
// Name and the AdjustmenLayerInfo
UInt32 extraDataSize = reverseReader.ReadUInt32();
// remember the start position for calculation of the
// AdjustmenLayerInfo size
Int64 extraDataStartPosition = reverseReader.BaseStream.Position;
MaskData = new Mask(reverseReader, this);
BlendingRangesData = new BlendingRanges(reverseReader, this);
Int64 namePosition = reverseReader.BaseStream.Position;
Name = reverseReader.ReadPascalString();
Int32 paddingBytes = (Int32)((reverseReader.BaseStream.Position - namePosition) % 4);
Debug.Print("Layer {0} padding bytes after name", paddingBytes);
reverseReader.ReadBytes(paddingBytes);
AdjustmentInfo.Clear();
Int64 adjustmenLayerEndPos = extraDataStartPosition + extraDataSize;
while (reverseReader.BaseStream.Position < adjustmenLayerEndPos)
{
try
{
AdjustmentInfo.Add(new AdjusmentLayerInfo(reverseReader, this));
}
catch
{
reverseReader.BaseStream.Position = adjustmenLayerEndPos;
}
}
// make shure we are not on a wrong offset, so set the stream position
// manually
reverseReader.BaseStream.Position = adjustmenLayerEndPos;
}