public Effect(BinaryReverseReader reader)
{
this.Name = new string(reader.ReadChars(4));
this.Size = reader.ReadUInt32();
this.Version = reader.ReadUInt32();
this.loadedData = reader.ReadBytes((int)this.Size - 4); //4 bytes for version
}
public Effect(BinaryReverseReader reader)
{
this.Name = new string(reader.ReadChars(4));
this.Size = reader.ReadUInt32();
this.Version = reader.ReadUInt32();
this.loadedData = reader.ReadBytes((int)this.Size-4); //4 bytes for version
}
public AlphaChannels(ImageResource imgRes)
: base(imgRes)
{
// 文档 四 - 2 ID 1006
BinaryReverseReader dataReader = imgRes.DataReader;
while (dataReader.BaseStream.Length - dataReader.BaseStream.Position > 0L)
{
byte length = dataReader.ReadByte();
dataReader.ReadChars(length);
}
dataReader.Close();
}
/// <summary>
/// Initializes a new instance of the <see cref="AlphaChannels" /> class.
/// </summary>
/// <param name="imgRes">The image resource.</param>
public AlphaChannels(ImageResource imgRes)
: base(imgRes)
{
BinaryReverseReader dataReader = imgRes.DataReader;
while (dataReader.BaseStream.Length - dataReader.BaseStream.Position > 0L)
{
// read the length of the string
byte length = dataReader.ReadByte();
// read the string
dataReader.ReadChars(length);
}
dataReader.Close();
}
public TdTaParseException(string message, BinaryReverseReader r)
: base(message + "\nMore data:" + new string(r.ReadChars((int)Math.Max(100, r.BytesToEnd))))
{
}
public Layer(BinaryReverseReader reader, Document document)
{
this._document = document;
this._rect = new ERectangle();
this._rect.Y = reader.ReadInt32();
this._rect.X = reader.ReadInt32();
this._rect.Height = reader.ReadInt32() - this._rect.Y;
this._rect.Width = reader.ReadInt32() - this._rect.X;
this.NumChannels = reader.ReadUInt16();
this._channels = new Dictionary<int, Channel>();
for (int channelNum = 0; channelNum < this.NumChannels; channelNum++)
{
Channel ch = new Channel(reader, this);
this._channels.Add(ch.Usage, ch);
}
string sHeader = new string(reader.ReadChars(4));
if (sHeader != "8BIM")
throw(new Exception("Layer Channelheader error!"));
this.BlendKey = new string(reader.ReadChars(4));
int nBlend = -1;
try
{
nBlend = (int)Enum.Parse(typeof(_blendKeysPsd), this.BlendKey);
}
catch { }
if (nBlend >= 0)
{
BlendKeys key = (BlendKeys)nBlend;
this.BlendKey = Enum.GetName(typeof(BlendKeys), key);
}
this.Opacity = reader.ReadByte(); //(byte)(255 - (int)reader.ReadByte());
//paLayerInfo[#Opacity] = 256 - m_oReader.readUC() --256-ScaleCharToQuantum(ReadBlobByte(image))
this.Clipping = reader.ReadByte();
this.Flags = reader.ReadByte();
reader.ReadByte(); //padding
uint nSize = reader.ReadUInt32();
long nChannelEndPos = reader.BaseStream.Position + (long)nSize;
if (nSize > 0)
{
uint nLength;
//uint nCombinedlength = 0;
this._mask = new Mask(reader, this);
if (this._mask.Rectangle == null)
this._mask = null;
//reader.BaseStream.Position+=nLength-16;
//nCombinedlength+= nLength + 4;
//blending ranges
nLength = reader.ReadUInt32();
for (uint i = 0; i < nLength/8; i++)
{
uint color1 = reader.ReadUInt32();
uint color2 = reader.ReadUInt32();
}
//nCombinedlength+= nLength + 4;
//Name
nLength = (uint)reader.ReadByte();
reader.BaseStream.Position-=1;
this.Name = reader.ReadPascalString();
//nCombinedlength+= nLength + 4;
#region Adjustment etc layers
//TODO: there's probably a 2-byte padding here
sHeader = new string(reader.ReadChars(4));
if (sHeader != "8BIM")
{
reader.BaseStream.Position-=2;
sHeader = new string(reader.ReadChars(4));
}
reader.BaseStream.Position-=4;
do
{
try
{
this.ReadPSDChannelTag(reader);
}
catch
{
//dunno what the last bytes are for, just skip them:
reader.BaseStream.Position = nChannelEndPos;
}
}
while(reader.BaseStream.Position < nChannelEndPos);
#endregion
}
}
private void ReadPSDChannelTag(BinaryReverseReader reader)
{
string sHeader = new string(reader.ReadChars(4));
if (sHeader != "8BIM")
{
reader.BaseStream.Position-=4; //back it up before throwing exception
throw(new Exception("Effect header incorrect"));
}
string sKey = new string(reader.ReadChars(4));
uint nLength = reader.ReadUInt32();
long nPosStart = reader.BaseStream.Position;
switch (sKey)
{
case "lyid":
this.LayerID = (int)reader.ReadUInt32();
break;
case "fxrp":
this.ReferencePoint = new EPointF();
this.ReferencePoint.X = reader.ReadPSD8BitSingle();
this.ReferencePoint.Y = reader.ReadPSD8BitSingle();
break;
case "clbl":
//blend clipping
this.BlendClipping = reader.ReadBoolean();
reader.BaseStream.Position+=3; //padding
break;
case "infx":
//blend interior elements
this.Blend = reader.ReadBoolean();
reader.BaseStream.Position+=3; //padding
break;
case "knko":
//Knockout setting
this.Knockout = reader.ReadBoolean();
reader.BaseStream.Position+=3; //padding
break;
case "lspf":
//Protected settings
//TODO:
reader.ReadBytes(4); //nLength?
//bits 0-2 = Transparency, composite and position
break;
case "lclr":
//Sheet Color setting
this.SheetColor = System.Drawing.Color.FromArgb(
reader.ReadByte(),
reader.ReadByte(),
reader.ReadByte(),
reader.ReadByte());
reader.BaseStream.Position+=2; //padding
break;
case "lnsr":
//Layer Name Source setting
string sWhatIsThis = new string(reader.ReadChars((int)nLength));
//this.NameSourceSetting = reader.ReadUInt32();
break;
case "luni":
//Unicode Layer name
uint nUnicodeLength = reader.ReadUInt32();
this.UnicodeName = new string(reader.ReadChars((int)nUnicodeLength*2));
break;
case "lrFX":
//Effects Layer info
reader.BaseStream.Position+=2; //unused
ushort nNumEffects = reader.ReadUInt16();
// aEffectsInfo = []
// paInfo[#EffectsInfo] = aEffectsInfo
for (int nEffectNum = 0; nEffectNum < nNumEffects; nEffectNum++)
{
sHeader = new string(reader.ReadChars(4));
if (sHeader != "8BIM")
throw(new Exception("Effect header incorrect"));
EffectLayers.Effect effectForReading = new Endogine.Serialization.Photoshop.EffectLayers.Effect(reader);
//reader.JumpToEvenNthByte(2);
EffectLayers.Effect effect = null;
//long nEffectEndPos = reader.BaseStream.Position + effect.Size;
switch (effectForReading.Name)
{
case "cmnS": //common state
BinaryReverseReader subreader = effectForReading.GetDataReader();
bool bVisible = subreader.ReadBoolean();
//reader.BaseStream.Position+=2; //unused
break;
case "dsdw":
case "isdw":
//drop/inner shadow
if (effectForReading.Version == 0)
effect = new Endogine.Serialization.Photoshop.EffectLayers.Shadow(effectForReading);
else
{
//TODO:
}
break;
case "oglw":
case "iglw":
//outer/inner glow
if (effectForReading.Version == 0)
effect = new Endogine.Serialization.Photoshop.EffectLayers.Glow(effectForReading);
else
{
//TODO:
}
break;
case "bevl": //bevel
if (effectForReading.Version == 0)
effect = new Endogine.Serialization.Photoshop.EffectLayers.Bevel(effectForReading);
else
{
//TODO:
}
break;
case "sofi": //unknown
break;
}
this.Effects.Add(effect);
//reader.BaseStream.Position = nEffectEndPos;
}
break;
case "lsct":
//TODO: what is this?
reader.BaseStream.Position+=4;
break;
case "TySh":
case "lfx2":
//TODO: what are these?
break;
default:
string sMsg = "Unknown layer setting: " + sKey + " Length:" + nLength.ToString() + " Pos: "+reader.BaseStream.Position.ToString();
//EH.Put(sMsg);
break;
}
//add to nLength so it's padded to 4
int nLengthMod = (int)(nLength % (long)4);
if (nLengthMod > 0)
nLength+= 4-(uint)nLengthMod;
reader.BaseStream.Position = nPosStart + nLength;
reader.JumpToEvenNthByte(2);
}
public Document(string a_sFilename)
{
FileStream stream = new FileStream(a_sFilename,
FileMode.Open, FileAccess.Read);
//stream.
BinaryReverseReader reader = new BinaryReverseReader(stream); //, System.Text.Encoding.UTF8); //System.Text.Encoding.BigEndianUnicode);
string signature = new string(reader.ReadChars(4));
if (signature != "8BPS")
return;
#region Header
this.Version = reader.ReadUInt16();
if (Version != 1)
throw new Exception("Can not read .psd version " + Version);
byte[] buf = new byte[256];
reader.Read(buf, (int)reader.BaseStream.Position, 6); //6 bytes reserved
this.Channels = reader.ReadInt16();
this.Rows = reader.ReadUInt32();
this.Columns = reader.ReadUInt32();
this.BitsPerPixel = (int)reader.ReadUInt16();
this.ColorMode = (ColorModes)reader.ReadInt16();
#endregion
#region Palette
uint nPaletteLength = reader.ReadUInt32();
if (nPaletteLength > 0)
{
this.ColorData = reader.ReadBytes((int)nPaletteLength);
if (this.ColorMode == ColorModes.Duotone)
{
}
else
{
}
}
#endregion
#region ImageResource section
uint nResLength = reader.ReadUInt32();
ResourceIDs resID = ResourceIDs.Undefined;
if (nResLength > 0)
{
//read settings
while (true)
{
long nBefore = reader.BaseStream.Position;
string settingSignature = new string(reader.ReadChars(4));
if (settingSignature != "8BIM")
{
reader.BaseStream.Position = nBefore;
//TODO: it SHOULD be 4 bytes back - but sometimes ReadChars(4) advances 5 positions. WHY?!?
// reader.BaseStream.Position-=4;
break;
}
ImageResource imgRes = new ImageResource(reader);
resID = (ResourceIDs)imgRes.ID;
switch (resID) //imgRes.ID)
{
case ResourceIDs.ResolutionInfo:
this.ResolutionInfo =
new Endogine.Serialization.Photoshop.ImageResources.ResolutionInfo(imgRes);
break;
case ResourceIDs.DisplayInfo:
ImageResources.DisplayInfo displayInfo = new Endogine.Serialization.Photoshop.ImageResources.DisplayInfo(imgRes);
break;
case ResourceIDs.CopyrightInfo:
ImageResources.CopyrightInfo copyright = new Endogine.Serialization.Photoshop.ImageResources.CopyrightInfo(imgRes);
break;
case ResourceIDs.Thumbnail1:
case ResourceIDs.Thumbnail2:
ImageResources.Thumbnail thumbnail = new Endogine.Serialization.Photoshop.ImageResources.Thumbnail(imgRes);
break;
case ResourceIDs.GlobalAngle:
//m_nGlobalAngle = reader.ReadInt32();
break;
case ResourceIDs.IndexedColorTableCount:
this.NumColors = reader.ReadInt16();
break;
case ResourceIDs.TransparentIndex:
//m_nTransparentIndex = reader.ReadInt16();
break;
case ResourceIDs.Slices://Slices. What's that..?
//Leftlong, Botmlong etc etc
break;
case ResourceIDs.XMLInfo:
break;
case ResourceIDs.Unknown:
//Seems to be very common...
break;
}
}
}
#endregion
if (resID == ResourceIDs.Unknown4)
{
//it seems this one is
}
//reader.JumpToEvenNthByte(4);
int nTotalLayersBytes = reader.ReadInt32();
long nAfterLayersDefinitions = reader.BaseStream.Position + nTotalLayersBytes;
//TODO: ??
if (nTotalLayersBytes == 8)
stream.Position+=nTotalLayersBytes;
uint nSize = reader.ReadUInt32();
long nLayersEndPos = reader.BaseStream.Position + nSize;
short nNumLayers = reader.ReadInt16();
bool bSkipFirstAlpha = false;
if (nNumLayers < 0)
{
bSkipFirstAlpha = true;
nNumLayers = (short)-nNumLayers;
}
List<Layer> loadOrderLayers = new List<Layer>();
this._layers = new Dictionary<int, Layer>();
for (int nLayerNum = 0; nLayerNum < nNumLayers; nLayerNum++)
{
Layer layerInfo = new Layer(reader, this);
if (this._layers.ContainsKey(layerInfo.LayerID))
throw(new Exception("Duplicate layer IDs! " + layerInfo.LayerID.ToString()));
else
this._layers.Add(layerInfo.LayerID, layerInfo);
loadOrderLayers.Add(layerInfo);
}
//I have no idea what this is:
// ushort nWhat = reader.ReadUInt16();
// reader.BaseStream.Position+=(long)this.Header.Rows*2*2; //this.Header.Channels; //*bitsperpixel
for (int layerNum = 0; layerNum < nNumLayers; layerNum++)
{
Layer layer = (Layer)loadOrderLayers[layerNum];
layer.ReadPixels(reader);
}
reader.BaseStream.Position = nAfterLayersDefinitions;
if (false)
{
//the big merged bitmap (which is how the photoshop document looked when it was saved)
//TODO: read!
//Bitmap bmp = null;
//if (bmp != null)
//{
// Sprite sp = new Sprite();
// MemberSpriteBitmap mb = new MemberSpriteBitmap(bmp);
// sp.Member = mb;
//}
}
reader.Close();
stream.Close();
}
public TdTaParseException(string message, BinaryReverseReader r)
: base(message + "\nMore data:" + new string(r.ReadChars((int)Math.Max(100, r.BytesToEnd))))
{
}
public Layer(BinaryReverseReader reader, Document document)
{
this._document = document;
this._rect = new ERectangle();
this._rect.Y = reader.ReadInt32();
this._rect.X = reader.ReadInt32();
this._rect.Height = reader.ReadInt32() - this._rect.Y;
this._rect.Width = reader.ReadInt32() - this._rect.X;
this.NumChannels = reader.ReadUInt16();
this._channels = new Dictionary <int, Channel>();
for (int channelNum = 0; channelNum < this.NumChannels; channelNum++)
{
Channel ch = new Channel(reader, this);
this._channels.Add(ch.Usage, ch);
}
string sHeader = new string(reader.ReadChars(4));
if (sHeader != "8BIM")
{
throw(new Exception("Layer Channelheader error!"));
}
this.BlendKey = new string(reader.ReadChars(4));
int nBlend = -1;
try
{
nBlend = (int)Enum.Parse(typeof(_blendKeysPsd), this.BlendKey);
}
catch { }
if (nBlend >= 0)
{
BlendKeys key = (BlendKeys)nBlend;
this.BlendKey = Enum.GetName(typeof(BlendKeys), key);
}
this.Opacity = reader.ReadByte(); //(byte)(255 - (int)reader.ReadByte());
//paLayerInfo[#Opacity] = 256 - m_oReader.readUC() --256-ScaleCharToQuantum(ReadBlobByte(image))
this.Clipping = reader.ReadByte();
this.Flags = reader.ReadByte();
reader.ReadByte(); //padding
uint nSize = reader.ReadUInt32();
long nChannelEndPos = reader.BaseStream.Position + (long)nSize;
if (nSize > 0)
{
uint nLength;
//uint nCombinedlength = 0;
this._mask = new Mask(reader, this);
if (this._mask.Rectangle == null)
{
this._mask = null;
}
//reader.BaseStream.Position+=nLength-16;
//nCombinedlength+= nLength + 4;
//blending ranges
nLength = reader.ReadUInt32();
for (uint i = 0; i < nLength / 8; i++)
{
uint color1 = reader.ReadUInt32();
uint color2 = reader.ReadUInt32();
}
//nCombinedlength+= nLength + 4;
//Name
nLength = (uint)reader.ReadByte();
reader.BaseStream.Position -= 1;
this.Name = reader.ReadPascalString();
//nCombinedlength+= nLength + 4;
#region Adjustment etc layers
//TODO: there's probably a 2-byte padding here
sHeader = new string(reader.ReadChars(4));
if (sHeader != "8BIM")
{
reader.BaseStream.Position -= 2;
sHeader = new string(reader.ReadChars(4));
}
reader.BaseStream.Position -= 4;
do
{
try
{
this.ReadPSDChannelTag(reader);
}
catch
{
//dunno what the last bytes are for, just skip them:
reader.BaseStream.Position = nChannelEndPos;
}
}while(reader.BaseStream.Position < nChannelEndPos);
#endregion
}
}
private void ReadPSDChannelTag(BinaryReverseReader reader)
{
string sHeader = new string(reader.ReadChars(4));
if (sHeader != "8BIM")
{
reader.BaseStream.Position -= 4; //back it up before throwing exception
throw(new Exception("Effect header incorrect"));
}
string sKey = new string(reader.ReadChars(4));
uint nLength = reader.ReadUInt32();
long nPosStart = reader.BaseStream.Position;
switch (sKey)
{
case "lyid":
this.LayerID = (int)reader.ReadUInt32();
break;
case "fxrp":
this.ReferencePoint = new EPointF();
this.ReferencePoint.X = reader.ReadPSD8BitSingle();
this.ReferencePoint.Y = reader.ReadPSD8BitSingle();
break;
case "clbl":
//blend clipping
this.BlendClipping = reader.ReadBoolean();
reader.BaseStream.Position += 3; //padding
break;
case "infx":
//blend interior elements
this.Blend = reader.ReadBoolean();
reader.BaseStream.Position += 3; //padding
break;
case "knko":
//Knockout setting
this.Knockout = reader.ReadBoolean();
reader.BaseStream.Position += 3; //padding
break;
case "lspf":
//Protected settings
//TODO:
reader.ReadBytes(4); //nLength?
//bits 0-2 = Transparency, composite and position
break;
case "lclr":
//Sheet Color setting
this.SheetColor = System.Drawing.Color.FromArgb(
reader.ReadByte(),
reader.ReadByte(),
reader.ReadByte(),
reader.ReadByte());
reader.BaseStream.Position += 2; //padding
break;
case "lnsr":
//Layer Name Source setting
string sWhatIsThis = new string(reader.ReadChars((int)nLength));
//this.NameSourceSetting = reader.ReadUInt32();
break;
case "luni":
//Unicode Layer name
uint nUnicodeLength = reader.ReadUInt32();
this.UnicodeName = new string(reader.ReadChars((int)nUnicodeLength * 2));
break;
case "lrFX":
//Effects Layer info
reader.BaseStream.Position += 2; //unused
ushort nNumEffects = reader.ReadUInt16();
// aEffectsInfo = []
// paInfo[#EffectsInfo] = aEffectsInfo
for (int nEffectNum = 0; nEffectNum < nNumEffects; nEffectNum++)
{
sHeader = new string(reader.ReadChars(4));
if (sHeader != "8BIM")
{
throw(new Exception("Effect header incorrect"));
}
EffectLayers.Effect effectForReading = new Endogine.Serialization.Photoshop.EffectLayers.Effect(reader);
//reader.JumpToEvenNthByte(2);
EffectLayers.Effect effect = null;
//long nEffectEndPos = reader.BaseStream.Position + effect.Size;
switch (effectForReading.Name)
{
case "cmnS": //common state
BinaryReverseReader subreader = effectForReading.GetDataReader();
bool bVisible = subreader.ReadBoolean();
//reader.BaseStream.Position+=2; //unused
break;
case "dsdw":
case "isdw":
//drop/inner shadow
if (effectForReading.Version == 0)
{
effect = new Endogine.Serialization.Photoshop.EffectLayers.Shadow(effectForReading);
}
else
{
//TODO:
}
break;
case "oglw":
case "iglw":
//outer/inner glow
if (effectForReading.Version == 0)
{
effect = new Endogine.Serialization.Photoshop.EffectLayers.Glow(effectForReading);
}
else
{
//TODO:
}
break;
case "bevl": //bevel
if (effectForReading.Version == 0)
{
effect = new Endogine.Serialization.Photoshop.EffectLayers.Bevel(effectForReading);
}
else
{
//TODO:
}
break;
case "sofi": //unknown
break;
}
this.Effects.Add(effect);
//reader.BaseStream.Position = nEffectEndPos;
}
break;
case "lsct":
//TODO: what is this?
reader.BaseStream.Position += 4;
break;
case "TySh":
case "lfx2":
//TODO: what are these?
break;
default:
string sMsg = "Unknown layer setting: " + sKey + " Length:" + nLength.ToString() + " Pos: " + reader.BaseStream.Position.ToString();
//EH.Put(sMsg);
break;
}
//add to nLength so it's padded to 4
int nLengthMod = (int)(nLength % (long)4);
if (nLengthMod > 0)
{
nLength += 4 - (uint)nLengthMod;
}
reader.BaseStream.Position = nPosStart + nLength;
reader.JumpToEvenNthByte(2);
}
public ImageResource(BinaryReverseReader reverseReader)
{
Name = String.Empty;
OSType = new String(reverseReader.ReadChars(4));
if (OSType != "8BIM" && OSType != "MeSa")
{
throw new InvalidOperationException("Could not read an image resource");
}
ID = reverseReader.ReadInt16();
Name = reverseReader.ReadPascalString();
UInt32 settingLength = reverseReader.ReadUInt32();
Data = reverseReader.ReadBytes((Int32)settingLength);
if (reverseReader.BaseStream.Position % 2 == 1) reverseReader.ReadByte();
}
public PsdFile Load(String filename)
{
using (FileStream stream = new FileStream(filename, FileMode.Open))
{
//binary reverse reader reads data types in big-endian format.
BinaryReverseReader reader = new BinaryReverseReader(stream);
#region "Headers"
//The headers area is used to check for a valid PSD file
Debug.WriteLine("LoadHeader started at " + reader.BaseStream.Position.ToString(CultureInfo.InvariantCulture));
String signature = new String(reader.ReadChars(4));
if (signature != "8BPS") throw new IOException("Bad or invalid file stream supplied");
//get the version number, should be 1 always
if ((Version = reader.ReadInt16()) != 1) throw new IOException("Invalid version number supplied");
//get rid of the 6 bytes reserverd in PSD format
reader.BaseStream.Position += 6;
//get the rest of the information from the PSD file.
//Everytime ReadInt16() is called, it reads 2 bytes.
//Everytime ReadInt32() is called, it reads 4 bytes.
_channels = reader.ReadInt16();
_rows = reader.ReadInt32();
_columns = reader.ReadInt32();
_depth = reader.ReadInt16();
ColorMode = (ColorModes)reader.ReadInt16();
//by end of headers, the reader has read 26 bytes into the file.
#endregion //End Headers
#region "ColorModeData"
Debug.WriteLine("LoadColorModeData started at " + reader.BaseStream.Position.ToString(CultureInfo.InvariantCulture));
UInt32 paletteLength = reader.ReadUInt32(); //readUint32() advances the reader 4 bytes.
if (paletteLength > 0)
{
ColorModeData = reader.ReadBytes((Int32)paletteLength);
}
#endregion //End ColorModeData
#region "Loading Image Resources"
//This part takes extensive use of classes that I didn't write therefore
//I can't document much on what they do.
Debug.WriteLine("LoadingImageResources started at " + reader.BaseStream.Position.ToString(CultureInfo.InvariantCulture));
_imageResources.Clear();
UInt32 imgResLength = reader.ReadUInt32();
if (imgResLength <= 0) return null;
Int64 startPosition = reader.BaseStream.Position;
while ((reader.BaseStream.Position - startPosition) < imgResLength)
{
ImageResource imgRes = new ImageResource(reader);
ResourceIDs resID = (ResourceIDs)imgRes.ID;
switch (resID)
{
case ResourceIDs.ResolutionInfo:
imgRes = new ResolutionInfo(imgRes);
break;
case ResourceIDs.Thumbnail1:
case ResourceIDs.Thumbnail2:
imgRes = new Thumbnail(imgRes);
break;
case ResourceIDs.AlphaChannelNames:
imgRes = new AlphaChannels(imgRes);
break;
}
_imageResources.Add(imgRes);
}
// make sure we are not on a wrong offset, so set the stream position
// manually
reader.BaseStream.Position = startPosition + imgResLength;
#endregion //End LoadingImageResources
#region "Layer and Mask Info"
//We are gonna load up all the layers and masking of the PSD now.
Debug.WriteLine("LoadLayerAndMaskInfo - Part1 started at " + reader.BaseStream.Position.ToString(CultureInfo.InvariantCulture));
UInt32 layersAndMaskLength = reader.ReadUInt32();
if (layersAndMaskLength <= 0) return null;
//new start position
startPosition = reader.BaseStream.Position;
//Lets start by loading up all the layers
LoadLayers(reader);
//we are done the layers, load up the masks
LoadGlobalLayerMask(reader);
// make sure we are not on a wrong offset, so set the stream position
// manually
reader.BaseStream.Position = startPosition + layersAndMaskLength;
#endregion //End Layer and Mask info
#region "Loading Final Image"
//we have loaded up all the information from the PSD file
//into variables we can use later on.
//lets finish loading the raw data that defines the image
//in the picture.
Debug.WriteLine("LoadImage started at " + reader.BaseStream.Position.ToString(CultureInfo.InvariantCulture));
ImageCompression = (ImageCompression)reader.ReadInt16();
ImageData = new Byte[_channels][];
//---------------------------------------------------------------
if (ImageCompression == ImageCompression.Rle)
{
// The RLE-compressed data is proceeded by a 2-byte data count for each row in the data,
// which we're going to just skip.
reader.BaseStream.Position += _rows * _channels * 2;
}
//---------------------------------------------------------------
Int32 bytesPerRow = 0;
switch (_depth)
{
case 1:
bytesPerRow = _columns;//NOT Shure
break;
case 8:
bytesPerRow = _columns;
break;
case 16:
bytesPerRow = _columns * 2;
break;
}
//---------------------------------------------------------------
for (Int32 ch = 0; ch < _channels; ch++)
{
ImageData[ch] = new Byte[_rows * bytesPerRow];
switch (ImageCompression)
{
case ImageCompression.Raw:
reader.Read(ImageData[ch], 0, ImageData[ch].Length);
break;
case ImageCompression.Rle:
{
for (Int32 i = 0; i < _rows; i++)
{
Int32 rowIndex = i * _columns;
RleHelper.DecodedRow(reader.BaseStream, ImageData[ch], rowIndex, bytesPerRow);
}
}
break;
}
}
#endregion //End LoadingFinalImage
}
return this;
} //end Load()
public Document(string a_sFilename)
{
FileStream stream = new FileStream(a_sFilename,
FileMode.Open, FileAccess.Read);
//stream.
BinaryReverseReader reader = new BinaryReverseReader(stream); //, System.Text.Encoding.UTF8); //System.Text.Encoding.BigEndianUnicode);
string signature = new string(reader.ReadChars(4));
if (signature != "8BPS")
{
return;
}
#region Header
this.Version = reader.ReadUInt16();
if (Version != 1)
{
throw new Exception("Can not read .psd version " + Version);
}
byte[] buf = new byte[256];
reader.Read(buf, (int)reader.BaseStream.Position, 6); //6 bytes reserved
this.Channels = reader.ReadInt16();
this.Rows = reader.ReadUInt32();
this.Columns = reader.ReadUInt32();
this.BitsPerPixel = (int)reader.ReadUInt16();
this.ColorMode = (ColorModes)reader.ReadInt16();
#endregion
#region Palette
uint nPaletteLength = reader.ReadUInt32();
if (nPaletteLength > 0)
{
this.ColorData = reader.ReadBytes((int)nPaletteLength);
if (this.ColorMode == ColorModes.Duotone)
{
}
else
{
}
}
#endregion
#region ImageResource section
uint nResLength = reader.ReadUInt32();
ResourceIDs resID = ResourceIDs.Undefined;
if (nResLength > 0)
{
//read settings
while (true)
{
long nBefore = reader.BaseStream.Position;
string settingSignature = new string(reader.ReadChars(4));
if (settingSignature != "8BIM")
{
reader.BaseStream.Position = nBefore;
//TODO: it SHOULD be 4 bytes back - but sometimes ReadChars(4) advances 5 positions. WHY?!?
// reader.BaseStream.Position-=4;
break;
}
ImageResource imgRes = new ImageResource(reader);
resID = (ResourceIDs)imgRes.ID;
switch (resID) //imgRes.ID)
{
case ResourceIDs.ResolutionInfo:
this.ResolutionInfo =
new Endogine.Serialization.Photoshop.ImageResources.ResolutionInfo(imgRes);
break;
case ResourceIDs.DisplayInfo:
ImageResources.DisplayInfo displayInfo = new Endogine.Serialization.Photoshop.ImageResources.DisplayInfo(imgRes);
break;
case ResourceIDs.CopyrightInfo:
ImageResources.CopyrightInfo copyright = new Endogine.Serialization.Photoshop.ImageResources.CopyrightInfo(imgRes);
break;
case ResourceIDs.Thumbnail1:
case ResourceIDs.Thumbnail2:
ImageResources.Thumbnail thumbnail = new Endogine.Serialization.Photoshop.ImageResources.Thumbnail(imgRes);
break;
case ResourceIDs.GlobalAngle:
//m_nGlobalAngle = reader.ReadInt32();
break;
case ResourceIDs.IndexedColorTableCount:
this.NumColors = reader.ReadInt16();
break;
case ResourceIDs.TransparentIndex:
//m_nTransparentIndex = reader.ReadInt16();
break;
case ResourceIDs.Slices: //Slices. What's that..?
//Leftlong, Botmlong etc etc
break;
case ResourceIDs.XMLInfo:
break;
case ResourceIDs.Unknown:
//Seems to be very common...
break;
}
}
}
#endregion
if (resID == ResourceIDs.Unknown4)
{
//it seems this one is
}
//reader.JumpToEvenNthByte(4);
int nTotalLayersBytes = reader.ReadInt32();
long nAfterLayersDefinitions = reader.BaseStream.Position + nTotalLayersBytes;
//TODO: ??
if (nTotalLayersBytes == 8)
{
stream.Position += nTotalLayersBytes;
}
uint nSize = reader.ReadUInt32();
long nLayersEndPos = reader.BaseStream.Position + nSize;
short nNumLayers = reader.ReadInt16();
bool bSkipFirstAlpha = false;
if (nNumLayers < 0)
{
bSkipFirstAlpha = true;
nNumLayers = (short)-nNumLayers;
}
List <Layer> loadOrderLayers = new List <Layer>();
this._layers = new Dictionary <int, Layer>();
for (int nLayerNum = 0; nLayerNum < nNumLayers; nLayerNum++)
{
Layer layerInfo = new Layer(reader, this);
if (this._layers.ContainsKey(layerInfo.LayerID))
{
throw(new Exception("Duplicate layer IDs! " + layerInfo.LayerID.ToString()));
}
else
{
this._layers.Add(layerInfo.LayerID, layerInfo);
}
loadOrderLayers.Add(layerInfo);
}
//I have no idea what this is:
// ushort nWhat = reader.ReadUInt16();
// reader.BaseStream.Position+=(long)this.Header.Rows*2*2; //this.Header.Channels; //*bitsperpixel
for (int layerNum = 0; layerNum < nNumLayers; layerNum++)
{
Layer layer = (Layer)loadOrderLayers[layerNum];
layer.ReadPixels(reader);
}
reader.BaseStream.Position = nAfterLayersDefinitions;
if (false)
{
//the big merged bitmap (which is how the photoshop document looked when it was saved)
//TODO: read!
//Bitmap bmp = null;
//if (bmp != null)
//{
// Sprite sp = new Sprite();
// MemberSpriteBitmap mb = new MemberSpriteBitmap(bmp);
// sp.Member = mb;
//}
}
reader.Close();
stream.Close();
}
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;
}