public static void Prepare()
{
if (ResourceTypes != null)
return;
//Get ImageResource types
//TODO: is there a way to not get *all* types, but only those in a sub-namespace?
ResourceTypes = new Dictionary<ResourceIDs, Type>();
Type[] types = typeof(ImageResource).Assembly.GetTypes();
foreach (Type type in types)
{
if (type.FullName.Contains("ImageResources."))
{
if (type.FullName.Contains("+"))
continue;
Type actualType = type; // type.ReflectedType; //Because strangely, when type has internal classes, it wraps both of them somehow? e.g. GridGuidesInfo+GridGuide
System.Reflection.ConstructorInfo ci = actualType.GetConstructor(new Type[] { });
ImageResource ir = (ImageResource)ci.Invoke(new object[] { });
ResourceIDs[] rids = ir.AcceptedResourceIDs;
if (rids == null)
{
string name = actualType.FullName.Substring(type.FullName.LastIndexOf(".") + 1);
rids = new ResourceIDs[] { (ResourceIDs)Enum.Parse(typeof(ResourceIDs), name) };
}
foreach (ResourceIDs rid in rids)
{
ResourceTypes.Add(rid, actualType);
}
}
}
}
public void FreeRenderTarget(RenderTarget rt)
{
int id = rt.Id.ToInt32();
var rtw = ResourceIDs.Lookup[id] as RenderTargetWrapper;
rtw.Target.Dispose();
ResourceIDs.Free(rt.Id);
}
public unsafe RenderTarget CreateRenderTarget(int w, int h)
{
Texture2d tex = null;
var rt = new RenderTarget(this, ResourceIDs.Alloc(ResourceIdManager.EResourceType.RenderTarget), tex);
int id = rt.Id.ToInt32();
RenderTargetWrapper rtw = new RenderTargetWrapper(this);
rtw.Target = rt;
ResourceIDs.Lookup[id] = rtw;
return(rt);
}
///////////////////////////////////////////////////////////////////////////
private void LoadImageResources(BinaryReverseReader reader)
{
Debug.WriteLine("LoadImageResources started at " + reader.BaseStream.Position.ToString());
m_imageResources.Clear();
uint imgResLength = reader.ReadUInt32();
if (imgResLength <= 0)
{
return;
}
long 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;
}
m_imageResources.Add(imgRes);
}
//-----------------------------------------------------------------------
// make sure we are not on a wrong offset, so set the stream position
// manually
reader.BaseStream.Position = startPosition + imgResLength;
}
public static List <ImageResource> ReadImageResources(BinaryPSDReader reader)
{
List <ImageResource> result = new List <ImageResource>();
while (true)
{
long nBefore = reader.BaseStream.Position;
string settingSignature = new string(reader.ReadPSDChars(4));
if (settingSignature != "8BIM")
{
reader.BaseStream.Position = nBefore;
//reader.BaseStream.Position-=4;
break;
}
ImageResource imgRes = new ImageResource(reader);
ResourceIDs resID = (ResourceIDs)imgRes.ID;
if (!Enum.IsDefined(typeof(ResourceIDs), (int)imgRes.ID))
{
if (imgRes.ID > 2000 && imgRes.ID <= 2999)
{
//Stupid Adobe engineers... This is SO not using the same pattern as everything else!!!
resID = ResourceIDs.PathInfo;
}
}
if (ResourceTypes.ContainsKey(resID))
{
Type type = ResourceTypes[resID];
System.Reflection.ConstructorInfo ci = type.GetConstructor(new Type[] { typeof(ImageResource) });
imgRes = (ImageResource)ci.Invoke(new object[] { imgRes });
}
//if (resID != ResourceIDs.Undefined)
result.Add(imgRes);
}
return(result);
}
public void 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());
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 ((m_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.
m_channels = reader.ReadInt16();
m_rows = reader.ReadInt32();
m_columns = reader.ReadInt32();
m_depth = reader.ReadInt16();
m_colorMode = (ColorModes)reader.ReadInt16();
//by end of headers, the reader has read 26 bytes into the file.
#endregion //End Headers
#region "ColorModeData"
/// <summary>
/// If ColorMode is ColorModes.Indexed, the following 768 bytes will contain
/// a 256-color palette. If the ColorMode is ColorModes.Duotone, the data
/// following presumably consists of screen parameters and other related information.
/// Unfortunately, it is intentionally not documented by Adobe, and non-Photoshop
/// readers are advised to treat duotone images as gray-scale images.
/// </summary>
Debug.WriteLine("LoadColorModeData started at " + reader.BaseStream.Position.ToString());
uint paletteLength = reader.ReadUInt32(); //readUint32() advances the reader 4 bytes.
if (paletteLength > 0)
{
ColorModeData = reader.ReadBytes((int)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());
m_imageResources.Clear();
uint imgResLength = reader.ReadUInt32();
if (imgResLength <= 0)
{
return;
}
long 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;
}
m_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());
uint layersAndMaskLength = reader.ReadUInt32();
if (layersAndMaskLength <= 0)
{
return;
}
//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());
m_imageCompression = (ImageCompression)reader.ReadInt16();
m_imageData = new byte[m_channels][];
//---------------------------------------------------------------
if (m_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 += m_rows * m_channels * 2;
}
//---------------------------------------------------------------
int bytesPerRow = 0;
switch (m_depth)
{
case 1:
bytesPerRow = m_columns; //NOT Shure
break;
case 8:
bytesPerRow = m_columns;
break;
case 16:
bytesPerRow = m_columns * 2;
break;
}
//---------------------------------------------------------------
for (int ch = 0; ch < m_channels; ch++)
{
m_imageData[ch] = new byte[m_rows * bytesPerRow];
switch (m_imageCompression)
{
case ImageCompression.Raw:
reader.Read(m_imageData[ch], 0, m_imageData[ch].Length);
break;
case ImageCompression.Rle: {
for (int i = 0; i < m_rows; i++)
{
int rowIndex = i * m_columns;
RleHelper.DecodedRow(reader.BaseStream, m_imageData[ch], rowIndex, bytesPerRow);
}
}
break;
default:
break;
}
}
#endregion //End LoadingFinalImage
}
} //end Load()
public PsdFile Load(Stream stream)
{
//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 void FreeTexture(Texture2d tex)
{
ResourceIDs.Free(tex.Id);
}
public IntPtr GenTexture()
{
return(ResourceIDs.Alloc(ResourceIdManager.EResourceType.Texture));
}
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 static void Prepare()
{
if (ResourceTypes != null)
return;
//Get ImageResource types
//TODO: is there a way to not get *all* types, but only those in a sub-namespace?
ResourceTypes = new Dictionary<ResourceIDs, Type>();
Type[] types = typeof(ImageResource).Assembly.GetTypes();
foreach (Type type in types)
{
if (type.FullName.Contains("ImageResources."))
{
if (type.FullName.Contains("+"))
continue;
Type actualType = type; // type.ReflectedType; //Because strangely, when type has internal classes, it wraps both of them somehow? e.g. GridGuidesInfo+GridGuide
System.Reflection.ConstructorInfo ci = actualType.GetConstructor(new Type[] { });
ImageResource ir = (ImageResource)ci.Invoke(new object[] { });
ResourceIDs[] rids = ir.AcceptedResourceIDs;
if (rids == null)
{
string name = actualType.FullName.Substring(type.FullName.LastIndexOf(".") + 1);
rids = new ResourceIDs[] { (ResourceIDs)Enum.Parse(typeof(ResourceIDs), name) };
}
foreach (ResourceIDs rid in rids)
{
ResourceTypes.Add(rid, actualType);
}
}
}
}
