public MaskInfo(PsdBinaryReader reader, Layer layer)
{
Debug.WriteLine("MaskInfo started at " + reader.BaseStream.Position.ToString(CultureInfo.InvariantCulture));
var maskLength = reader.ReadUInt32();
if (maskLength <= 0)
return;
var startPosition = reader.BaseStream.Position;
var endPosition = startPosition + maskLength;
// Read layer mask
var rectangle = reader.ReadRectangle();
var backgroundColor = reader.ReadByte();
var flagsByte = reader.ReadByte();
LayerMask = new Mask(layer, rectangle, backgroundColor, new BitVector32(flagsByte));
// User mask is supplied separately when there is also a vector mask.
if (maskLength == 36)
{
var userFlagsByte = reader.ReadByte();
var userBackgroundColor = reader.ReadByte();
var userRectangle = reader.ReadRectangle();
UserMask = new Mask(layer, userRectangle, userBackgroundColor,
new BitVector32(userFlagsByte));
}
// 20-byte mask data will end with padding.
reader.BaseStream.Position = endPosition;
}
//public BitVector32 Flags
//{
// get { return flags; }
//}
/// <summary>
/// Initializes a new instance of the <see cref="Layer"/> class using the provided reader containing the PSD file data.
/// </summary>
/// <param name="reader">The reader containing the PSD file data.</param>
/// <param name="psdFile">The PSD file to set as the parent.</param>
public Layer(BinaryReverseReader reader, PsdFile psdFile)
{
Children = new List<Layer>();
PsdFile = psdFile;
// read the rect
Rect rect = new Rect();
rect.y = reader.ReadInt32();
rect.x = reader.ReadInt32();
rect.height = reader.ReadInt32() - rect.y;
rect.width = reader.ReadInt32() - rect.x;
Rect = rect;
// read the channels
int channelCount = reader.ReadUInt16();
Channels = new List<Channel>();
SortedChannels = new SortedList<short, Channel>();
for (int index = 0; index < channelCount; ++index)
{
Channel channel = new Channel(reader, this);
Channels.Add(channel);
SortedChannels.Add(channel.ID, channel);
}
// read the header and verify it
if (new string(reader.ReadChars(4)) != "8BIM")
{
throw new IOException("Layer Channelheader error!");
}
// read the blend mode key (unused) (defaults to "norm")
reader.ReadChars(4);
// read the opacity
Opacity = reader.ReadByte();
// read the clipping (unused) (< 0 = base, > 0 = non base)
reader.ReadByte();
// read all of the flags (protectTrans, visible, obsolete, ver5orLater, pixelDataIrrelevant)
flags = new BitVector32(reader.ReadByte());
// skip a padding byte
reader.ReadByte();
uint num3 = reader.ReadUInt32();
long position1 = reader.BaseStream.Position;
MaskData = new Mask(reader, this);
BlendingRangesData = new BlendingRanges(reader);
long position2 = reader.BaseStream.Position;
// read the name
Name = reader.ReadPascalString();
// read the adjustment info
int count = (int)((reader.BaseStream.Position - position2) % 4L);
reader.ReadBytes(count);
AdjustmentInfo = new List<AdjustmentLayerInfo>();
long num4 = position1 + num3;
while (reader.BaseStream.Position < num4)
{
try
{
AdjustmentInfo.Add(new AdjustmentLayerInfo(reader, this));
}
catch
{
reader.BaseStream.Position = num4;
}
}
foreach (AdjustmentLayerInfo adjustmentLayerInfo in AdjustmentInfo)
{
if (adjustmentLayerInfo.Key == "TySh")
{
ReadTextLayer(adjustmentLayerInfo.DataReader);
}
else if (adjustmentLayerInfo.Key == "luni")
{
// read the unicode name
BinaryReverseReader dataReader = adjustmentLayerInfo.DataReader;
dataReader.ReadBytes(3);
dataReader.ReadByte();
Name = dataReader.ReadString().TrimEnd(new char[1]);
}
}
reader.BaseStream.Position = num4;
}
/// <summary>
/// Gets the color at the given pixel position in the given mask.
/// </summary>
/// <param name="mask">The mask to sample.</param>
/// <param name="x">The x position.</param>
/// <param name="y">The y position.</param>
/// <returns>The mask color.</returns>
private static byte GetColor(Mask mask, int x, int y)
{
byte num = byte.MaxValue;
if (mask.PositionIsRelative)
{
x -= (int)mask.Rect.x;
y -= (int)mask.Rect.y;
}
else
{
x = x + (int)mask.Layer.Rect.x - (int)mask.Rect.x;
y = y + (int)mask.Layer.Rect.y - (int)mask.Rect.y;
}
if (y >= 0 && (y < mask.Rect.height && x >= 0) && x < mask.Rect.width)
{
int index = (y * (int)mask.Rect.width) + x;
num = index >= mask.ImageData.Length ? byte.MaxValue : mask.ImageData[index];
}
return num;
}
public Layer(BinaryReverseReader reader, PsdFile psdFile)
{
Debug.WriteLine("Layer started at " + reader.BaseStream.Position);
m_psdFile = psdFile;
m_rect = new Rectangle
{
Y = reader.ReadInt32(),
X = reader.ReadInt32()
};
m_rect.Height = reader.ReadInt32() - m_rect.Y;
m_rect.Width = reader.ReadInt32() - m_rect.X;
//-----------------------------------------------------------------------
int numberOfChannels = reader.ReadUInt16();
m_channels.Clear();
for (int channel = 0; channel < numberOfChannels; channel++)
{
var ch = new Channel(reader, this);
m_channels.Add(ch);
m_sortedChannels.Add(ch.ID, ch);
}
//-----------------------------------------------------------------------
var signature = new string(reader.ReadChars(4));
if (signature != LayerConstants.EightBimSignature)
throw (new IOException("Layer Channelheader error!"));
m_blendModeKey = new string(reader.ReadChars(4));
m_opacity = reader.ReadByte();
m_clipping = reader.ReadByte() > 0;
//-----------------------------------------------------------------------
byte flags = reader.ReadByte();
m_flags = new BitVector32(flags);
//-----------------------------------------------------------------------
reader.ReadByte(); //padding
//-----------------------------------------------------------------------
Debug.WriteLine("Layer extraDataSize started at " + reader.BaseStream.Position);
// 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);
//-----------------------------------------------------------------------
var namePosition = reader.BaseStream.Position;
m_name = reader.ReadPascalString();
var 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;
}
/// <summary>
/// Initializes a new instance of the <see cref="Layer"/> class using the provided reader containing the PSD file data.
/// </summary>
/// <param name="reader">The reader containing the PSD file data.</param>
/// <param name="psdFile">The PSD file to set as the parent.</param>
public Layer(BinaryReverseReader reader, PsdFile psdFile)
{
Children = new List <Layer>();
PsdFile = psdFile;
// read the rect
Rect rect = new Rect();
rect.y = reader.ReadInt32();
rect.x = reader.ReadInt32();
rect.height = reader.ReadInt32() - rect.y;
rect.width = reader.ReadInt32() - rect.x;
Rect = rect;
// read the channels
int channelCount = reader.ReadUInt16();
Channels = new List <Channel>();
SortedChannels = new SortedList <short, Channel>();
for (int index = 0; index < channelCount; ++index)
{
Channel channel = new Channel(reader, this);
Channels.Add(channel);
//Debug.Log(Time.time + "channel.ID=" + channel.ID + ",layer=" + this.Name);
SortedChannels.Add(channel.ID, channel);
}
string head = reader.readStringNew(4);
//Debug.Log(Time.time + ",head=" + head);
// read the header and verify it
if (head != "8BIM")
{
throw new IOException("Layer Channelheader error!");
}
// read the blend mode key (unused) (defaults to "norm")
//reader.ReadChars(4);
string layerRecordsBlendModeKey = reader.readStringNew(4);
// read the opacity
Opacity = reader.ReadByte();
// read the clipping (unused) (< 0 = base, > 0 = non base)
int Clipping = reader.ReadByte();
// read all of the flags (protectTrans, visible, obsolete, ver5orLater, pixelDataIrrelevant)
flags = new BitVector32(reader.ReadByte());
// skip a padding byte
int Filler = reader.ReadByte();
imageTransparent = Convert.ToSingle(Opacity) / byte.MaxValue;
Debug.Log("layerRecordsBlendModeKey=" + layerRecordsBlendModeKey
+ ",Opacity=" + Opacity
+ ",Clipping=" + Clipping
+ ",flags=" + flags
+ ", Filler=" + Filler
+ ",LayerTransparent=" + imageTransparent);
uint num3 = reader.ReadUInt32();
long position1 = reader.BaseStream.Position;
MaskData = new Mask(reader, this);
BlendingRangesData = new BlendingRanges(reader);
long position2 = reader.BaseStream.Position;
// read the name
Name = reader.ReadPascalString();
//Debug.Log(Time.time + ",read layer Name=" + Name + ".end");
// read the adjustment info
int count = (int)((reader.BaseStream.Position - position2) % 4L);
reader.ReadBytes(count);
//Debug.Log(Time.time + ",read count=" + count + ".end");
AdjustmentInfo = new List <AdjustmentLayerInfo>();
long num4 = position1 + num3;
while (reader.BaseStream.Position < num4)
{
try
{
AdjustmentInfo.Add(new AdjustmentLayerInfo(reader, this));
}
catch
{
reader.BaseStream.Position = num4;
}
}
string keyInfo = "";
foreach (AdjustmentLayerInfo adjustmentLayerInfo in AdjustmentInfo)
{
keyInfo += ",key=" + adjustmentLayerInfo.Key + "\n";
if (adjustmentLayerInfo.Key == "TySh")
{
ReadTextLayer(adjustmentLayerInfo.DataReader);
}
else if (adjustmentLayerInfo.Key == "luni")
{
// read the unicode name
BinaryReverseReader dataReader = adjustmentLayerInfo.DataReader;
byte[] temp1 = dataReader.ReadBytes(3);
byte charCount = dataReader.ReadByte();
//本来 charCount 是文本串的长度，可以传入ReadString()限定读取长度，但Text除串头无文本长度信息，因此改为读一段Unicode字符串
Name = dataReader.ReadString();
if (Name == "")
{
Name = defaultLayerName;
}
}
//此处针对字体 图层样式
else if (adjustmentLayerInfo.Key == "lrFX") //样式 相关，对于字体来说，就是描边之类的
{
parseLrfxKeyword(adjustmentLayerInfo); //yanruTODO测试屏蔽
}
//仅对于图片的
else if (adjustmentLayerInfo.Key == "lspf")
{
BinaryReverseReader dataReader = adjustmentLayerInfo.DataReader;
byte[] data = dataReader.ReadBytes(4);
printbytes(data, "lspf data", true);
}
else if (adjustmentLayerInfo.Key == "lclr")
{
BinaryReverseReader dataReader = adjustmentLayerInfo.DataReader;
byte[] data = dataReader.ReadBytes(10);
printbytes(data, "lclr data", true);
}
}
Debug.Log("layer=" + Name + ",Totalkey=\n" + keyInfo);
reader.BaseStream.Position = num4;
}
public Layer(BinaryReverseReader reader, PsdFile psdFile)
{
Debug.WriteLine("Layer started at " + reader.BaseStream.Position.ToString());
m_psdFile = psdFile;
m_rect = new Rectangle();
m_rect.Y = reader.ReadInt32();
m_rect.X = reader.ReadInt32();
m_rect.Height = reader.ReadInt32() - m_rect.Y;
m_rect.Width = reader.ReadInt32() - m_rect.X;
//-----------------------------------------------------------------------
int numberOfChannels = reader.ReadUInt16();
this.m_channels.Clear();
for (int channel = 0; channel < numberOfChannels; channel++)
{
Channel ch = new Channel(reader, this);
m_channels.Add(ch);
m_sortedChannels.Add(ch.ID, ch);
}
//-----------------------------------------------------------------------
string signature = new string(reader.ReadChars(4));
if (signature != "8BIM")
throw (new IOException("Layer Channelheader error!"));
m_blendModeKey = new string(reader.ReadChars(4));
m_opacity = reader.ReadByte();
m_clipping = reader.ReadByte() > 0;
//-----------------------------------------------------------------------
byte flags = reader.ReadByte();
m_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 AdjustmentLayerInfo
uint extraDataSize = reader.ReadUInt32();
// remember the start position for calculation of the
// AdjustmentLayerInfo size
long extraDataStartPosition = reader.BaseStream.Position;
m_maskData = new Mask(reader, this);
m_blendingRangesData = new BlendingRanges(reader, this);
//-----------------------------------------------------------------------
long namePosition = reader.BaseStream.Position;
m_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 adjustmentLayerEndPos = extraDataStartPosition + extraDataSize;
while (reader.BaseStream.Position < adjustmentLayerEndPos)
{
try
{
AdjustmentLayerInfo ali = new AdjustmentLayerInfo(reader, this);
if (ali.Key.Equals("lrFX"))
{
//A sub-key - we want to merge its sub-layer info items with this dict.
m_adjustmentInfo.AddRange(new Effects(ali)._resources.Values);
} else
m_adjustmentInfo.Add(ali); // Just add the items
}
catch
{
reader.BaseStream.Position = adjustmentLayerEndPos;
}
}
//-----------------------------------------------------------------------
// make sure we are not on a wrong offset, so set the stream position
// manually
reader.BaseStream.Position = adjustmentLayerEndPos;
}