public Mask(BinaryPSDReader reader, Layer layer)
: base(layer)
{
this._layer = layer;
int nLength = (int)reader.ReadUInt32();
if (nLength == 0)
return;
long nStart = reader.BaseStream.Position;
this.Rectangle = reader.ReadPSDRectangle(); //new Rectangle(reader).ToERectangle();
this._color = reader.ReadByte();
this._flags = reader.ReadByte();
if (nLength == 20)
reader.ReadUInt16(); //padding
else if (nLength == 36)
{
this._flags2 = reader.ReadByte();//same flags as above according to docs!?!?
this._maskBg = reader.ReadByte(); //Real user mask background. Only 0 or 255 - ie bool?!?
this._otherRectangle = reader.ReadPSDRectangle(); //new Rectangle(reader).ToERectangle(); //same as above rectangle according to docs?!?!
}
reader.BaseStream.Position = nStart + nLength;
}
public Layer CreateLayer(string name)
{
Layer layer = new Layer(this);
layer.Name = name;
//layer.LayerID = this.Layers.Count;
this._layers.Add(layer);
return layer;
}
private void CreateLayer()
{
this._fakeLayer = new Layer(this._document);
this._fakeLayer.IsMerged = true;
this._fakeLayer.Width = (int)this._document.Size.X;
this._fakeLayer.Height = (int)this._document.Size.Y;
this._fakeLayer.Channels = new Dictionary<int, Channel>();
for (int i = 0; i < this._document.Channels; i++)
{
this._fakeLayer.Channels.Add(i, new Channel(this._fakeLayer));
}
}
public Document(string a_sFilename)
{
this.Init();
FileStream stream = new FileStream(a_sFilename,
FileMode.Open, FileAccess.Read);
//stream.
BinaryPSDReader reader = new BinaryPSDReader(stream);
string signature = new string(reader.ReadPSDChars(4));
if (signature != "8BPS")
return;
this._header = new Header(reader);
//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();
#region Palette
uint nPaletteLength = reader.ReadUInt32();
if (nPaletteLength > 0)
{
this.ColorTable = new List<Color>();
for (int i = 0; i < nPaletteLength; i+=3)
{
this.ColorTable.Add(Color.FromArgb((int)reader.ReadByte(), (int)reader.ReadByte(), (int)reader.ReadByte()));
}
//this.ColorTable.Add(Color.FromArgb(255, 10, 20));
if (this.ColorMode == ColorModes.Duotone)
{
}
else
{
}
}
#endregion
uint nResLength = reader.ReadUInt32(); //? Number of bytes, or number of entries??
if (nResLength > 0)
{
//read settings
this._imageResources = ImageResource.ReadImageResources(reader);
}
//reader.JumpToEvenNthByte(4);
uint nTotalLayersBytes = reader.ReadUInt32();
long nAfterLayersDefinitions = reader.BaseStream.Position + nTotalLayersBytes;
if (nTotalLayersBytes == 8)
{
stream.Position += nTotalLayersBytes;
//this.Unknown = Endogine.Serialization.ReadableBinary.CreateHexEditorString(reader.ReadBytes((int)reader.BytesToEnd));
}
else
{
uint nSize = reader.ReadUInt32(); //What's the difference between nTotalLayersBytes and nSize really?
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 List<Layer>(); // new Dictionary<int, Layer>();
for (int nLayerNum = 0; nLayerNum < nNumLayers; nLayerNum++)
{
Layer layerInfo = new Layer(reader, this);
layerInfo.DebugLayerLoadOrdinal = nLayerNum;
//if (layerInfo.LayerID < 0)
// layerInfo.LayerID = nLayerNum;
//if (this._layers.ContainsKey(layerInfo.LayerID))
// throw(new Exception("Duplicate layer IDs! " + layerInfo.LayerID.ToString()));
//else
// this._layers.Add(layerInfo.LayerID, layerInfo);
this._layers.Add(layerInfo);
loadOrderLayers.Add(layerInfo);
}
for (int layerNum = 0; layerNum < nNumLayers; layerNum++)
{
Layer layer = (Layer)loadOrderLayers[layerNum];
layer.ReadPixels(reader);
}
reader.JumpToEvenNthByte(4);
if (reader.BaseStream.Position != nLayersEndPos)
reader.BaseStream.Position = nLayersEndPos; // nAfterLayersDefinitions;
//Global layer mask
uint maskLength = reader.ReadUInt32();
this._tempGlobalLayerMask = null;
if (maskLength > 0)
{
this._tempGlobalLayerMask = reader.ReadBytes((int)maskLength);
//TODO: the docs are obviously wrong here...
//ushort overlayColorSpace = reader.ReadUInt16(); //undefined in docs
//for (int i = 0; i < 4; i++)
// reader.ReadUInt16(); //TODO: UInt16 if 16-bit color? Color components - says *both* 4*2 bytes, and 8 bytes in the docs?
//reader.ReadUInt16(); //opacity (0-100)
//reader.ReadByte(); //Kind: 0=Color selectedi.e. inverted; 1=Color protected;128=use value stored per layer.
//reader.ReadByte(); //padding
}
//hmm... another section of "global" layer resources..?
while (true)
{
long cpPos = reader.BaseStream.Position;
string sHeader = new string(reader.ReadPSDChars(4));
reader.BaseStream.Position = cpPos; //TODO: -= 4 should work, but sometimes ReadPSDChars advances 5?!?!
if (sHeader != "8BIM")
{
break;
}
LayerResource res = LayerResource.ReadLayerResource(reader, null);
this._globalLayerResources.Add(res);
}
}
bool readGlobalImage = true;
if (readGlobalImage)
{
this._globalImage = new GlobalImage(this);
this._globalImage.Load(reader);
//the big merged bitmap (which is how the photoshop document looked when it was saved)
//Bitmap bmp = this._globalImage.Bitmap;
}
reader.Close();
stream.Close();
}