public List <AdditionalLayerInformationBlock> Read(Stream stream, AdditionalLayerInformation additionalLayerInformation, FileVersion fileVersion)
{
var reader = new BigEndianBinaryReader(stream);
stream.Position = additionalLayerInformation.Offset;
var list = new List <AdditionalLayerInformationBlock>();
while (stream.Position < additionalLayerInformation.Offset + additionalLayerInformation.Length)
{
var block = new AdditionalLayerInformationBlock();
block.Signature = new string(reader.ReadChars(4));
block.Key = new string(reader.ReadChars(4));
if (fileVersion == FileVersion.Psb && LongDataKeys.Contains(block.Key))
{
block.Length = reader.ReadInt64();
}
else
{
block.Length = reader.ReadInt32();
}
if ((block.Length % 2) != 0)
{
block.Length += 3; // should be 1, but 3 works there for unknown reason
}
block.Offset = stream.Position;
stream.Position += block.Length;
list.Add(block);
}
return(list);
}
public List <ImageResourceBlock> Read(Stream stream, ImageResourcesSection imageResourcesSection)
{
var list = new List <ImageResourceBlock>();
var reader = new BigEndianBinaryReader(stream);
stream.Position = imageResourcesSection.Offset;
while (reader.BaseStream.Position < imageResourcesSection.Offset + imageResourcesSection.Length)
{
var imageResource = new ImageResourceBlock();
imageResource.Signature = new string(reader.ReadChars(4));
imageResource.Id = (ImageResourceId)reader.ReadInt16();
imageResource.Name = reader.ReadPascalString();
imageResource.Length = reader.ReadInt32();
if ((imageResource.Length % 2) != 0)
{
imageResource.Length++;
}
imageResource.Offset = stream.Position;
stream.Position += imageResource.Length;
list.Add(imageResource);
}
return(list);
}
public FileHeader Read(Stream stream)
{
var header = new FileHeader();
var reader = new BigEndianBinaryReader(stream);
header.Signature = new string(reader.ReadChars(4));
header.Version = (FileVersion)reader.ReadInt16();
header.Reserved = reader.ReadBytes(6);
header.ChannelCount = reader.ReadInt16();
header.PixelHeight = reader.ReadInt32();
header.PixelWidth = reader.ReadInt32();
header.BitsPerChannel = reader.ReadInt16();
header.ColorMode = (ColorMode)reader.ReadInt16();
return(header);
}
public List <LayerRecord> Read(Stream stream, LayersInformation layersInformation, FileVersion fileVersion)
{
var list = new List <LayerRecord>();
var reader = new BigEndianBinaryReader(stream);
stream.Position = layersInformation.Offset;
for (int i = 0; i < layersInformation.LayerCount; i++)
{
var layerRecord = new LayerRecord();
layerRecord.RectangleTop = reader.ReadInt32();
layerRecord.RectangleLeft = reader.ReadInt32();
layerRecord.RectangleBottom = reader.ReadInt32();
layerRecord.RectangleRight = reader.ReadInt32();
layerRecord.ChannelCount = reader.ReadInt16();
layerRecord.Channels = new ChannelInformation[layerRecord.ChannelCount];
for (int j = 0; j < layerRecord.ChannelCount; j++)
{
layerRecord.Channels[j] = new ChannelInformation();
layerRecord.Channels[j].Id = reader.ReadInt16();
layerRecord.Channels[j].Length = fileVersion == FileVersion.Psd ? reader.ReadInt32() : reader.ReadInt64();
}
layerRecord.BlendModeSignature = new string(reader.ReadChars(4));
layerRecord.BlendModeKey = new string(reader.ReadChars(4));
layerRecord.Opacity = reader.ReadByte();
layerRecord.Clipping = (Clipping)reader.ReadByte();
var flags = reader.ReadByte();
layerRecord.IsTransparencyProtected = flags.GetBit(0);
layerRecord.IsVisible = flags.GetBit(1);
layerRecord.IsObsolete = flags.GetBit(2);
if (flags.GetBit(3))
{
layerRecord.IsPixelIrrelevantToAppearance = flags.GetBit(4);
}
reader.ReadByte(); // filler
layerRecord.Length = reader.ReadInt32();
layerRecord.Offset = stream.Position;
// TODO: Layer mask / adjustment layer data
var maskLength = reader.ReadInt32();
stream.Position += maskLength;
// TODO: Layer blending ranges data
var blendingLength = reader.ReadInt32();
stream.Position += blendingLength;
layerRecord.Name = reader.ReadPascalString();
reader.ReadByte(); //???
layerRecord.AdditionalLayerInformation = new AdditionalLayerInformation();
layerRecord.AdditionalLayerInformation.Offset = stream.Position;
layerRecord.AdditionalLayerInformation.Length = (layerRecord.Offset + layerRecord.Length) - layerRecord.AdditionalLayerInformation.Offset;
stream.Position = layerRecord.Offset + layerRecord.Length;
list.Add(layerRecord);
}
return(list);
}