/// <summary>
/// Initializes a new instance of the <see cref="ResolutionInfo"/> class using the <see cref="ImageResource"/>.
/// </summary>
/// <param name="imgRes">The image resource to use.</param>
public ResolutionInfo(ImageResource imgRes)
: base(imgRes)
{
BinaryReverseReader dataReader = imgRes.DataReader;
// read horizontal resolution
dataReader.ReadInt16();
// read horizontal resolution units (1=pixels per inch, 2=pixels per centimeter)
dataReader.ReadInt32();
// read the width units (1=inches, 2=cm, 3=pt, 4=picas, 5=columns)
dataReader.ReadInt16();
// read vertical resolution
dataReader.ReadInt16();
// read vertical resolution units (1=pixels per inch, 2=pixels per centimeter)
dataReader.ReadInt32();
// read the height units (1=inches, 2=cm, 3=pt, 4=picas, 5=columns)
dataReader.ReadInt16();
dataReader.Close();
}
public ResolutionInfo(ImageResource imgRes) : base(imgRes)
{
//m_bResolutionInfoFilled = true;
BinaryReverseReader reader = imgRes.GetDataReader();
this.hRes = reader.ReadInt16();
this.hResUnit = reader.ReadInt32();
this.widthUnit = reader.ReadInt16();
this.vRes = reader.ReadInt16();
this.vResUnit = reader.ReadInt32();
this.heightUnit = reader.ReadInt16();
reader.Close();
//int ppm_x = 3780; // 96 dpi
//int ppm_y = 3780; // 96 dpi
//if (psd.ResolutionInfo != null)
//{
// int nHorzResolution = (int)psd.ResolutionInfo.hRes;
// int nVertResolution = (int)psd.ResolutionInfo.vRes;
// ppm_x = (nHorzResolution * 10000) / 254;
// ppm_y = (nVertResolution * 10000) / 254;
//}
}
/**
* Instantiates a new psd descriptor.
*
* @param stream the stream
* @throws IOException Signals that an I/O exception has occurred.
*/
public PsdDescriptor(BinaryReverseReader stream)
{
int unicstrlength = stream.ReadInt32() * 2;
string unicstr = Encoding.Unicode.GetString(stream.ReadBytes(unicstrlength));
int classlength = stream.ReadInt32();
if (classlength != 0)
{
classId = Encoding.Default.GetString(stream.ReadBytes(classlength));
}
else
{
classId = Encoding.Default.GetString(stream.ReadBytes(4));
}
// Unicode string: name from classID
// int nameLen = stream.ReadInt32() * 2;
//stream.ReadBytes(nameLen);
//classId = stream.ReadString();
int itemsCount = stream.ReadInt32();
for (int i = 0; i < itemsCount; i++)
{
int size = stream.ReadInt32();
if (size == 0)
{
size = 4;
}
String key = Encoding.Default.GetString(stream.ReadBytes(size));
objects.Add(key, PsdObjectFactory.loadPsdObject(stream));
//objects.Add(key, new PsdObject());
}
}
public Mask(BinaryReverseReader reader, Layer layer)
{
this._layer = layer;
int nLength = (int)reader.ReadUInt32();
if (nLength == 0)
return;
long nStart = reader.BaseStream.Position;
this.Rectangle = new ERectangle();
this.Rectangle.Y = reader.ReadInt32();
this.Rectangle.X = reader.ReadInt32();
this.Rectangle.Height = reader.ReadInt32() - Rectangle.Y;
this.Rectangle.Width = reader.ReadInt32() - Rectangle.X;
byte color = reader.ReadByte();
byte flags = reader.ReadByte();
if (nLength == 36)
{
int someOtherFlags = reader.ReadByte();
byte maskBg = reader.ReadByte();
ERectangle rect = new ERectangle();
rect.Y = reader.ReadInt32();
rect.X = reader.ReadInt32();
rect.Height = reader.ReadInt32() - rect.Y;
rect.Width = reader.ReadInt32() - rect.X;
}
reader.BaseStream.Position = nStart + nLength;
}
static private BinaryReverseReader CreateReadStream(LayerInfo info)
{
RawLayerInfo rawly = (RawLayerInfo)info;
Stream str = new MemoryStream(rawly.Data);
BinaryReverseReader brd = new BinaryReverseReader(str);
if (rawly.Key == "vogk")
{
int version = brd.ReadInt32();
int version1 = brd.ReadInt32();
}
else if (rawly.Key == "vstk")
{
int vers = brd.ReadInt32();
}
else if (rawly.Key == "vscg")
{
int v = brd.ReadInt32();
int v1 = brd.ReadInt32();
}
else if (rawly.Key == "lfx2")
{
int v = brd.ReadInt32();
int v1 = brd.ReadInt32();
}
else if (rawly.Key == "SoCo")
{
int v = brd.ReadInt32();
}
return(brd);
}
public PsdText(BinaryReverseReader stream)
{
int textSize = stream.ReadInt32() * 2;
StringBuilder buffer = new StringBuilder(textSize);
bool stopReading = false;
for (int ti = 0; ti < textSize; ti++)
{
char b = (char)stream.ReadByte();
if (b == 0)
{
stopReading = true;
}
else
{
stopReading = false;
}
if (!stopReading)
{
if (b == 13 || b == 10)
{
buffer.Append('\n');
}
else
{
buffer.Append(b);
}
}
}
value = buffer.ToString();
}
public ResolutionInfo(ImageResource imgRes)
: base(imgRes)
{
//文档 四 - 1 ID 1005
BinaryReverseReader dataReader = imgRes.DataReader;
//这里解析是错的, 但解的字节数没错,反正这些数据没用，就没修改了，要用的时候参考文档修改
dataReader.ReadInt16();
dataReader.ReadInt32();
dataReader.ReadInt16();
dataReader.ReadInt16();
dataReader.ReadInt32();
dataReader.ReadInt16();
dataReader.Close();
}
internal Channel(BinaryReverseReader reverseReader, Layer layer)
{
Debug.WriteLine("Channel started at " + reverseReader.BaseStream.Position.ToString(CultureInfo.InvariantCulture));
ID = reverseReader.ReadInt16();
Length = reverseReader.ReadInt32();
Layer = layer;
}
/**
* Instantiates a new psd list.
*
* @param stream the stream
* @throws IOException Signals that an I/O exception has occurred.
*/
public PsdList(BinaryReverseReader stream)
{
int itemsCount = stream.ReadInt32();
for (int i = 0; i < itemsCount; i++)
{
objects.Add(PsdObjectFactory.loadPsdObject(stream));
}
}
public int getSize(BinaryReverseReader str)
{
int size = str.ReadInt32();
if (size == 0)
{
size = 4;
}
return(size);
}
public PsdTextData(BinaryReverseReader stream)
{
int size = stream.ReadInt32();
byte[] array = new byte[size];
array = stream.ReadBytes(size);
Stream str = new MemoryStream(array);
BinaryReverseReader br = new BinaryReverseReader(str);
properties = readMap(br);
}
public BlendingRanges(BinaryReverseReader reader, Layer layer)
{
Data = new Byte[0];
Debug.WriteLine("BlendingRanges started at " + reader.BaseStream.Position.ToString(CultureInfo.InvariantCulture));
Layer = layer;
Int32 dataLength = reader.ReadInt32();
if (dataLength <= 0) return;
Data = reader.ReadBytes(dataLength);
}
public Shadow(PhotoshopFile.Layer.AdjustmentLayerInfo info)
{
this.m_data = info.Data;
this.m_key = info.Key;
this.m_layer = info.Layer;
BinaryReverseReader r = this.DataReader;
//string blendModeSignature = null;
int version = r.ReadInt32();
switch (version)
{
case 0:
this.Blur = r.ReadUInt32();
this.Intensity = r.ReadUInt32();
this.Angle = r.ReadUInt32();
this.Distance = r.ReadUInt32();
this.Color = r.ReadPSDColor(16, true);
this.BlendModeKey = this.ReadBlendKey(r);
//this.BlendModeSignature = r.ReadUInt32();
//this.BlendModeKey = r.ReadUInt32();
this.Enabled = r.ReadBoolean();
this.UseGlobalAngle = r.ReadBoolean();
this.Opacity = r.ReadByte();
break;
case 2:
this.Blur = (uint)r.ReadUInt16();
this.Intensity = r.ReadUInt32();
this.Angle = r.ReadUInt32();
this.Distance = r.ReadUInt32();
ushort something = r.ReadUInt16(); //TODO:?
this.Color = r.ReadPSDColor(16, true);
this.BlendModeKey = this.ReadBlendKey(r);
this.Enabled = r.ReadBoolean();
this.UseGlobalAngle = r.ReadBoolean();
this.Opacity = r.ReadByte();
//TODO: 10 unknown bytes!
break;
}
this.Data = null;
}
/// <summary>
/// Initializes a new instance of the <see cref="BlendingRanges"/> class.
/// </summary>
/// <param name="reader">The reader containing the PSD file data</param>
public BlendingRanges(BinaryReverseReader reader)
{
// read the data length
int count = reader.ReadInt32();
if (count <= 0)
{
return;
}
// read the data
reader.ReadBytes(count);
}
public Mask(BinaryReverseReader reader, Layer layer)
{
this._layer = layer;
int nLength = (int)reader.ReadUInt32();
if (nLength == 0)
{
return;
}
long nStart = reader.BaseStream.Position;
this.Rectangle = new ERectangle();
this.Rectangle.Y = reader.ReadInt32();
this.Rectangle.X = reader.ReadInt32();
this.Rectangle.Height = reader.ReadInt32() - Rectangle.Y;
this.Rectangle.Width = reader.ReadInt32() - Rectangle.X;
byte color = reader.ReadByte();
byte flags = reader.ReadByte();
if (nLength == 36)
{
int someOtherFlags = reader.ReadByte();
byte maskBg = reader.ReadByte();
ERectangle rect = new ERectangle();
rect.Y = reader.ReadInt32();
rect.X = reader.ReadInt32();
rect.Height = reader.ReadInt32() - rect.Y;
rect.Width = reader.ReadInt32() - rect.X;
}
reader.BaseStream.Position = nStart + nLength;
}
public Thumbnail(ImageResource imgRes)
{
BinaryReverseReader reader = imgRes.GetDataReader();
//m_bThumbnailFilled = true;
this.nFormat = reader.ReadInt32();
this.nWidth = reader.ReadInt32();
this.nHeight = reader.ReadInt32();
this.nWidthBytes = reader.ReadInt32();
this.nSize = reader.ReadInt32();
this.nCompressedSize = reader.ReadInt32();
this.nBitPerPixel = reader.ReadInt16();
this.nPlanes = reader.ReadInt16();
int nTotalData = this.nSize - 28; // header
byte [] buffer = new byte[nTotalData];
if (this.ID == 1033)
{
// BGR
for (int n = 0; n < nTotalData; n = n + 3)
{
buffer[n + 2] = reader.ReadByte();
buffer[n + 1] = reader.ReadByte();
buffer[n + 0] = reader.ReadByte();
}
}
else if (this.ID == 1036)
{
// RGB
for (int n = 0; n < nTotalData; ++n)
{
buffer[n] = reader.ReadByte();
}
}
reader.Close();
}
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 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
}
}
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 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
}
}
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 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;
}
/**
* Instantiates a new psd long.
*
* @param stream the stream
* @throws IOException Signals that an I/O exception has occurred.
*/
public PsdLong(BinaryReverseReader stream)
{
value = stream.ReadInt32();
}
internal Mask(BinaryReverseReader reader, Layer layer)
{
Debug.WriteLine("Mask started at " + reader.BaseStream.Position.ToString(CultureInfo.InvariantCulture));
Layer = layer;
uint maskLength = reader.ReadUInt32();
if (maskLength <= 0)
return;
long startPosition = reader.BaseStream.Position;
Rectangle localRectangle = new Rectangle
{
Y = reader.ReadInt32(),
X = reader.ReadInt32()
};
localRectangle.Height = reader.ReadInt32() - localRectangle.Y;
localRectangle.Width = reader.ReadInt32() - localRectangle.X;
Rect = localRectangle;
DefaultColor = reader.ReadByte();
byte flags = reader.ReadByte();
_flags = new BitVector32(flags);
if (maskLength == 36)
{
#pragma warning disable 168
BitVector32 realFlags = new BitVector32(reader.ReadByte());
byte realUserMaskBackground = reader.ReadByte();
Rectangle rect = new Rectangle
{
Y = reader.ReadInt32(),
X = reader.ReadInt32(),
Height = reader.ReadInt32() - Rect.Y,
Width = reader.ReadInt32() - Rect.X
};
#pragma warning restore 168
}
// there is other stuff following, but we will ignore this.
reader.BaseStream.Position = startPosition + maskLength;
}