public static Bitmap DecodeImage(PsdFile psdFile)
{
Bitmap bitmap = new Bitmap(psdFile.Columns, psdFile.Rows, PixelFormat.Format32bppArgb);
#if TEST
for (int y = 0; y < psdFile.Rows; y++)
{
int rowIndex = y * psdFile.Columns;
for (int x = 0; x < psdFile.Columns; x++)
{
int pos = rowIndex + x;
Color pixelColor=GetColor(psdFile,pos);
bitmap.SetPixel(x, y, pixelColor);
}
}
#else
Rectangle r = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
BitmapData bd = bitmap.LockBits(r, ImageLockMode.ReadWrite, bitmap.PixelFormat);
unsafe
{
byte* pCurrRowPixel = (byte*)bd.Scan0.ToPointer();
for (int y = 0; y < psdFile.Rows; y++)
{
int rowIndex = y * psdFile.Columns;
PixelData* pCurrPixel = (PixelData*)pCurrRowPixel;
for (int x = 0; x < psdFile.Columns; x++)
{
int pos = rowIndex + x;
Color pixelColor = GetColor(psdFile, pos);
pCurrPixel->Alpha = 255;
pCurrPixel->Red = pixelColor.R;
pCurrPixel->Green = pixelColor.G;
pCurrPixel->Blue = pixelColor.B;
pCurrPixel += 1;
}
pCurrRowPixel += bd.Stride;
}
}
bitmap.UnlockBits(bd);
#endif
return bitmap;
}
///////////////////////////////////////////////////////////////////////////
private static Color GetColor(PsdFile psdFile, int pos)
{
Color c = Color.White;
switch (psdFile.ColorMode)
{
case PsdFile.ColorModes.RGB:
c = Color.FromArgb(psdFile.ImageData[0][pos],
psdFile.ImageData[1][pos],
psdFile.ImageData[2][pos]);
break;
case PsdFile.ColorModes.CMYK:
c = CMYKToRGB(psdFile.ImageData[0][pos],
psdFile.ImageData[1][pos],
psdFile.ImageData[2][pos],
psdFile.ImageData[3][pos]);
break;
case PsdFile.ColorModes.Multichannel:
c = CMYKToRGB(psdFile.ImageData[0][pos],
psdFile.ImageData[1][pos],
psdFile.ImageData[2][pos],
0);
break;
case PsdFile.ColorModes.Grayscale:
case PsdFile.ColorModes.Duotone:
c = Color.FromArgb(psdFile.ImageData[0][pos],
psdFile.ImageData[0][pos],
psdFile.ImageData[0][pos]);
break;
case PsdFile.ColorModes.Indexed:
{
int index = (int)psdFile.ImageData[0][pos];
c = Color.FromArgb((int)psdFile.ColorModeData[index],
psdFile.ColorModeData[index + 256],
psdFile.ColorModeData[index + 2 * 256]);
}
break;
case PsdFile.ColorModes.Lab:
{
c = LabToRGB(psdFile.ImageData[0][pos],
psdFile.ImageData[1][pos],
psdFile.ImageData[2][pos]);
}
break;
}
return(c);
}
///////////////////////////////////////////////////////////////////////////
public static Bitmap DecodeImage(PsdFile psdFile)
{
Bitmap bitmap = new Bitmap(psdFile.Columns, psdFile.Rows, PixelFormat.Format32bppArgb);
#if TEST
for (int y = 0; y < psdFile.Rows; y++)
{
int rowIndex = y * psdFile.Columns;
for (int x = 0; x < psdFile.Columns; x++)
{
int pos = rowIndex + x;
Color pixelColor = GetColor(psdFile, pos);
bitmap.SetPixel(x, y, pixelColor);
}
}
#else
Rectangle r = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
BitmapData bd = bitmap.LockBits(r, ImageLockMode.ReadWrite, bitmap.PixelFormat);
unsafe
{
byte *pCurrRowPixel = (byte *)bd.Scan0.ToPointer();
for (int y = 0; y < psdFile.Rows; y++)
{
int rowIndex = y * psdFile.Columns;
PixelData *pCurrPixel = (PixelData *)pCurrRowPixel;
for (int x = 0; x < psdFile.Columns; x++)
{
int pos = rowIndex + x;
Color pixelColor = GetColor(psdFile, pos);
pCurrPixel->Alpha = 255;
pCurrPixel->Red = pixelColor.R;
pCurrPixel->Green = pixelColor.G;
pCurrPixel->Blue = pixelColor.B;
pCurrPixel += 1;
}
pCurrRowPixel += bd.Stride;
}
}
bitmap.UnlockBits(bd);
#endif
return(bitmap);
}
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 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);
//-----------------------------------------------------------------------
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 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;
}
public Layer(PsdFile psdFile)
{
m_psdFile = psdFile;
m_psdFile.Layers.Add(this);
}
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 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);
//-----------------------------------------------------------------------
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 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;
}
public Layer(PsdFile psdFile)
{
m_psdFile = psdFile;
m_psdFile.Layers.Add(this);
}
private static Color GetColor(PsdFile psdFile, int pos)
{
Color c = Color.White;
switch (psdFile.ColorMode)
{
case PsdFile.ColorModes.RGB:
c = Color.FromArgb(psdFile.ImageData[0][pos],
psdFile.ImageData[1][pos],
psdFile.ImageData[2][pos]);
break;
case PsdFile.ColorModes.CMYK:
c = CMYKToRGB(psdFile.ImageData[0][pos],
psdFile.ImageData[1][pos],
psdFile.ImageData[2][pos],
psdFile.ImageData[3][pos]);
break;
case PsdFile.ColorModes.Multichannel:
c = CMYKToRGB(psdFile.ImageData[0][pos],
psdFile.ImageData[1][pos],
psdFile.ImageData[2][pos],
0);
break;
case PsdFile.ColorModes.Grayscale:
case PsdFile.ColorModes.Duotone:
c = Color.FromArgb(psdFile.ImageData[0][pos],
psdFile.ImageData[0][pos],
psdFile.ImageData[0][pos]);
break;
case PsdFile.ColorModes.Indexed:
{
int index = (int)psdFile.ImageData[0][pos];
c = Color.FromArgb((int)psdFile.ColorModeData[index],
psdFile.ColorModeData[index + 256],
psdFile.ColorModeData[index + 2 * 256]);
}
break;
case PsdFile.ColorModes.Lab:
{
c = LabToRGB(psdFile.ImageData[0][pos],
psdFile.ImageData[1][pos],
psdFile.ImageData[2][pos]);
}
break;
}
return c;
}
