internal void LoadPixelData(BinaryReverseReader reader)
{
Debug.WriteLine("Mask.LoadPixelData started at " + reader.BaseStream.Position.ToString());
if (m_rect.IsEmpty || m_layer.SortedChannels.ContainsKey(-2) == false)
return;
Channel maskChannel = m_layer.SortedChannels[-2];
maskChannel.Data = reader.ReadBytes((int)maskChannel.Length);
using (BinaryReverseReader readerImg = maskChannel.DataReader)
{
maskChannel.ImageCompression = (ImageCompression)readerImg.ReadInt16();
int bytesPerRow = 0;
switch (m_layer.PsdFile.Depth)
{
case 1:
bytesPerRow = m_rect.Width;//NOT Shure
break;
case 8:
bytesPerRow = m_rect.Width;
break;
case 16:
bytesPerRow = m_rect.Width * 2;
break;
}
maskChannel.ImageData = new byte[m_rect.Height * bytesPerRow];
// Fill Array
for (int i = 0; i < maskChannel.ImageData.Length; i++)
{
maskChannel.ImageData[i] = 0xAB;
}
m_imageData = (byte[])maskChannel.ImageData.Clone();
switch (maskChannel.ImageCompression)
{
case ImageCompression.Raw:
readerImg.Read(maskChannel.ImageData, 0, maskChannel.ImageData.Length);
break;
case ImageCompression.Rle:
{
int[] rowLenghtList = new int[m_rect.Height];
for (int i = 0; i < rowLenghtList.Length; i++)
rowLenghtList[i] = readerImg.ReadInt16();
for (int i = 0; i < m_rect.Height; i++)
{
int rowIndex = i * m_rect.Width;
RleHelper.DecodedRow(readerImg.BaseStream, maskChannel.ImageData, rowIndex, bytesPerRow);
}
}
break;
default:
break;
}
m_imageData = (byte[])maskChannel.ImageData.Clone();
}
}
//////////////////////////////////////////////////////////////////
internal void LoadPixelData(BinaryReverseReader reader)
{
Debug.WriteLine("Channel.LoadPixelData started at " + reader.BaseStream.Position.ToString());
Data = reader.ReadBytes(Length);
using (var readerImg = DataReader)
{
ImageCompression = (ImageCompression)readerImg.ReadInt16();
var bytesPerRow = 0;
switch (_layer.PsdFile.Depth)
{
case 1:
bytesPerRow = _layer.Rect.Width;//NOT Shure
break;
case 8:
bytesPerRow = _layer.Rect.Width;
break;
case 16:
bytesPerRow = _layer.Rect.Width * 2;
break;
}
ImageData = new byte[_layer.Rect.Height * bytesPerRow];
switch (ImageCompression)
{
case ImageCompression.Raw:
readerImg.Read(ImageData, 0, ImageData.Length);
break;
case ImageCompression.Rle:
{
int[] rowLenghtList = new int[_layer.Rect.Height];
for (int i = 0; i < rowLenghtList.Length; i++)
rowLenghtList[i] = readerImg.ReadInt16();
for (int i = 0; i < _layer.Rect.Height; i++)
{
int rowIndex = i * _layer.Rect.Width;
RleHelper.DecodedRow(readerImg.BaseStream, ImageData, rowIndex, bytesPerRow);
//if (rowLenghtList[i] % 2 == 1)
// readerImg.ReadByte();
}
}
break;
default:
break;
}
}
}
public Layer(BinaryReverseReader reader, PsdFile psdFile)
{
Debug.WriteLine("Layer started at " + reader.BaseStream.Position.ToString());
PsdFile = psdFile;
Rect = new Rectangle
{
Y = reader.ReadInt32(),
X = reader.ReadInt32(),
Height = reader.ReadInt32() - Rect.Y,
Width = reader.ReadInt32() - Rect.X
};
//-----------------------------------------------------------------------
int numberOfChannels = reader.ReadUInt16();
_channels.Clear();
for (var channel = 0; channel < numberOfChannels; channel++)
{
var ch = new Channel(reader, this);
_channels.Add(ch);
_sortedChannels.Add(ch.Id, ch);
}
//-----------------------------------------------------------------------
var signature = new string(reader.ReadChars(4));
if (signature != "8BIM")
throw (new IOException("Layer Channelheader error!"));
_blendModeKey = new string(reader.ReadChars(4));
Opacity = reader.ReadByte();
Clipping = reader.ReadByte() > 0;
//-----------------------------------------------------------------------
byte flags = reader.ReadByte();
_flags = new BitVector32(flags);
//-----------------------------------------------------------------------
reader.ReadByte(); //padding
//-----------------------------------------------------------------------
Debug.WriteLine("Layer extraDataSize started at " + reader.BaseStream.Position.ToString());
// this is the total size of the MaskData, the BlendingRangesData, the
// Name and the AdjustmenLayerInfo
uint extraDataSize = reader.ReadUInt32();
// remember the start position for calculation of the
// AdjustmenLayerInfo size
long extraDataStartPosition = reader.BaseStream.Position;
m_maskData = new Mask(reader, this);
m_blendingRangesData = new BlendingRanges(reader, this);
//-----------------------------------------------------------------------
long namePosition = reader.BaseStream.Position;
Name = reader.ReadPascalString();
int paddingBytes = (int)((reader.BaseStream.Position - namePosition) % 4);
Debug.Print("Layer {0} padding bytes after name", paddingBytes);
reader.ReadBytes(paddingBytes);
//-----------------------------------------------------------------------
m_adjustmentInfo.Clear();
long adjustmenLayerEndPos = extraDataStartPosition + extraDataSize;
while (reader.BaseStream.Position < adjustmenLayerEndPos)
{
try
{
m_adjustmentInfo.Add(new AdjusmentLayerInfo(reader, this));
}
catch
{
reader.BaseStream.Position = adjustmenLayerEndPos;
}
}
//-----------------------------------------------------------------------
// make shure we are not on a wrong offset, so set the stream position
// manually
reader.BaseStream.Position = adjustmenLayerEndPos;
}
///////////////////////////////////////////////////////////////////////////
public BlendingRanges(BinaryReverseReader reader, Layer layer)
{
Debug.WriteLine("BlendingRanges started at " + reader.BaseStream.Position.ToString());
m_layer = layer;
int dataLength = reader.ReadInt32();
if (dataLength <= 0)
return;
m_data = reader.ReadBytes(dataLength);
}
public AdjusmentLayerInfo(BinaryReverseReader reader, Layer layer)
{
Debug.WriteLine("AdjusmentLayerInfo started at " + reader.BaseStream.Position.ToString());
m_layer = layer;
string signature = new string(reader.ReadChars(4));
if (signature != "8BIM")
{
throw new IOException("Could not read an image resource");
}
m_key = new string(reader.ReadChars(4));
uint dataLength = reader.ReadUInt32();
m_data = reader.ReadBytes((int)dataLength);
}
//////////////////////////////////////////////////////////////////
public ImageResource(BinaryReverseReader reader)
{
m_osType = new string(reader.ReadChars(4));
if (m_osType != "8BIM" && m_osType != "MeSa")
{
throw new InvalidOperationException("Could not read an image resource");
}
m_id = reader.ReadInt16();
m_name = reader.ReadPascalString();
uint settingLength = reader.ReadUInt32();
m_data = reader.ReadBytes((int)settingLength);
if (reader.BaseStream.Position % 2 == 1)
reader.ReadByte();
}
private void LoadGlobalLayerMask(BinaryReverseReader reader)
{
Debug.WriteLine("LoadGlobalLayerMask started at " + reader.BaseStream.Position.ToString());
uint maskLength = reader.ReadUInt32();
if (maskLength <= 0)
return;
GlobalLayerMaskData = reader.ReadBytes((int)maskLength);
}
private void LoadColorModeData(BinaryReverseReader reader)
{
Debug.WriteLine("LoadColorModeData started at " + reader.BaseStream.Position.ToString());
uint paletteLength = reader.ReadUInt32();
if (paletteLength > 0)
{
ColorModeData = reader.ReadBytes((int)paletteLength);
}
}
