internal Mask(BinaryReverseReader reader, Layer layer)
{
Debug.WriteLine("Mask started at " + reader.BaseStream.Position.ToString());
m_layer = layer;
uint maskLength = reader.ReadUInt32();
if (maskLength <= 0)
return;
long startPosition = reader.BaseStream.Position;
//-----------------------------------------------------------------------
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;
m_defaultColor = reader.ReadByte();
//-----------------------------------------------------------------------
byte flags = reader.ReadByte();
m_flags = new BitVector32(flags);
//-----------------------------------------------------------------------
if (maskLength == 36)
{
BitVector32 realFlags = new BitVector32(reader.ReadByte());
byte realUserMaskBackground = reader.ReadByte();
Rectangle rect = new Rectangle();
rect.Y = reader.ReadInt32();
rect.X = reader.ReadInt32();
rect.Height = reader.ReadInt32() - m_rect.Y;
rect.Width = reader.ReadInt32() - m_rect.X;
}
// there is other stuff following, but we will ignore this.
reader.BaseStream.Position = startPosition + maskLength;
}
internal Mask(Layer layer)
{
m_layer = layer;
m_layer.MaskData = this;
}
internal Channel(short id, Layer layer)
{
m_id = id;
m_layer = layer;
m_layer.Channels.Add(this);
m_layer.SortedChannels.Add(this.ID, this);
}
internal Channel(BinaryReverseReader reader, Layer layer)
{
Debug.WriteLine("Channel started at " + reader.BaseStream.Position.ToString());
m_id = reader.ReadInt16();
Length = reader.ReadInt32();
m_layer = layer;
}
public BlendingRanges(BinaryReverseReader reader, Layer layer)
{
Debug.WriteLine("BlendingRanges started at " + reader.BaseStream.Position.ToString());
m_layer = layer;
int dataLength = reader.ReadInt32();
if (dataLength <= 0)
return;
m_data = reader.ReadBytes(dataLength);
}
public BlendingRanges(Layer layer)
{
m_layer = layer;
m_layer.BlendingRangesData = this;
}
public AdjusmentLayerInfo(string key, Layer layer)
{
m_key = key;
m_layer = layer;
m_layer.AdjustmentInfo.Add(this);
}
public AdjusmentLayerInfo(BinaryReverseReader reader, Layer layer)
{
Debug.WriteLine("AdjusmentLayerInfo started at " + reader.BaseStream.Position.ToString());
m_layer = layer;
string signature = new string(reader.ReadChars(4));
if (signature != "8BIM")
{
throw new IOException("Could not read an image resource");
}
m_key = new string(reader.ReadChars(4));
uint dataLength = reader.ReadUInt32();
m_data = reader.ReadBytes((int)dataLength);
}
private static int GetColor(Layer.Mask mask, int x, int y)
{
int c = 255;
if (mask.PositionIsRelative)
{
x -= mask.Rect.X;
y -= mask.Rect.Y;
}
else
{
x = (x + mask.Layer.Rect.X) - mask.Rect.X;
y = (y + mask.Layer.Rect.Y) - mask.Rect.Y;
}
if (y >= 0 && y < mask.Rect.Height &&
x >= 0 && x < mask.Rect.Width)
{
int pos = y * mask.Rect.Width + x;
if (pos < mask.ImageData.Length)
c = mask.ImageData[pos];
else
c = 255;
}
return c;
}
private static Color GetColor(Layer layer, int pos)
{
Color c = Color.White;
switch (layer.PsdFile.ColorMode)
{
case PsdFile.ColorModes.RGB:
c = Color.FromArgb(layer.SortedChannels[0].ImageData[pos],
layer.SortedChannels[1].ImageData[pos],
layer.SortedChannels[2].ImageData[pos]);
break;
case PsdFile.ColorModes.CMYK:
c = CMYKToRGB(layer.SortedChannels[0].ImageData[pos],
layer.SortedChannels[1].ImageData[pos],
layer.SortedChannels[2].ImageData[pos],
layer.SortedChannels[3].ImageData[pos]);
break;
case PsdFile.ColorModes.Multichannel:
c = CMYKToRGB(layer.SortedChannels[0].ImageData[pos],
layer.SortedChannels[1].ImageData[pos],
layer.SortedChannels[2].ImageData[pos],
0);
break;
case PsdFile.ColorModes.Grayscale:
case PsdFile.ColorModes.Duotone:
c = Color.FromArgb(layer.SortedChannels[0].ImageData[pos],
layer.SortedChannels[0].ImageData[pos],
layer.SortedChannels[0].ImageData[pos]);
break;
case PsdFile.ColorModes.Indexed:
{
int index = (int)layer.SortedChannels[0].ImageData[pos];
c = Color.FromArgb((int)layer.PsdFile.ColorModeData[index],
layer.PsdFile.ColorModeData[index + 256],
layer.PsdFile.ColorModeData[index + 2 * 256]);
}
break;
case PsdFile.ColorModes.Lab:
{
c = LabToRGB(layer.SortedChannels[0].ImageData[pos],
layer.SortedChannels[1].ImageData[pos],
layer.SortedChannels[2].ImageData[pos]);
}
break;
}
if (layer.SortedChannels.ContainsKey(-1))
c = Color.FromArgb(layer.SortedChannels[-1].ImageData[pos], c);
return c;
}
public static Bitmap DecodeImage(Layer.Mask mask)
{
if (mask.Rect.Width == 0 || mask.Rect.Height == 0)
{
return null;
}
Bitmap bitmap = new Bitmap(mask.Rect.Width, mask.Rect.Height, PixelFormat.Format32bppArgb);
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 < mask.Rect.Height; y++)
{
int rowIndex = y * mask.Rect.Width;
PixelData* pCurrPixel = (PixelData*)pCurrRowPixel;
for (int x = 0; x < mask.Rect.Width; x++)
{
int pos = rowIndex + x;
Color pixelColor = Color.FromArgb(mask.ImageData[pos], mask.ImageData[pos], mask.ImageData[pos]);
pCurrPixel->Alpha = 255;
pCurrPixel->Red = pixelColor.R;
pCurrPixel->Green = pixelColor.G;
pCurrPixel->Blue = pixelColor.B;
pCurrPixel += 1;
}
pCurrRowPixel += bd.Stride;
}
}
bitmap.UnlockBits(bd);
return bitmap;
}
public static Bitmap DecodeImage(Layer layer)
{
if (layer.Rect.Width == 0 || layer.Rect.Height == 0)
return null;
Bitmap bitmap = new Bitmap(layer.Rect.Width, layer.Rect.Height, PixelFormat.Format32bppArgb);
#if TEST
for (int y = 0; y < layer.Rect.Height; y++)
{
int rowIndex = y * layer.Rect.Width;
for (int x = 0; x < layer.Rect.Width; x++)
{
int pos = rowIndex + x;
//Color pixelColor=GetColor(psdFile,pos);
Color pixelColor = Color.FromArgb(x % 255, Color.ForestGreen);// 255, 128, 0);
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 < layer.Rect.Height; y++)
{
int rowIndex = y * layer.Rect.Width;
PixelData* pCurrPixel = (PixelData*)pCurrRowPixel;
for (int x = 0; x < layer.Rect.Width; x++)
{
int pos = rowIndex + x;
Color pixelColor = GetColor(layer, pos);
if (layer.SortedChannels.ContainsKey(-2))
{
int maskAlpha = GetColor(layer.MaskData, x, y);
int oldAlpha = pixelColor.A;
int newAlpha = (oldAlpha * maskAlpha) / 255;
pixelColor = Color.FromArgb(newAlpha, pixelColor);
}
pCurrPixel->Alpha = pixelColor.A;
pCurrPixel->Red = pixelColor.R;
pCurrPixel->Green = pixelColor.G;
pCurrPixel->Blue = pixelColor.B;
pCurrPixel += 1;
}
pCurrRowPixel += bd.Stride;
}
}
bitmap.UnlockBits(bd);
#endif
return bitmap;
}
///////////////////////////////////////////////////////////////////////////
public static Bitmap DecodeImage(Layer layer)
{
if (layer.Rect.Width == 0 || layer.Rect.Height == 0)
{
return(null);
}
Bitmap bitmap = new Bitmap(layer.Rect.Width, layer.Rect.Height, PixelFormat.Format32bppArgb);
#if TEST
for (int y = 0; y < layer.Rect.Height; y++)
{
int rowIndex = y * layer.Rect.Width;
for (int x = 0; x < layer.Rect.Width; x++)
{
int pos = rowIndex + x;
//Color pixelColor=GetColor(psdFile,pos);
Color pixelColor = Color.FromArgb(x % 255, Color.ForestGreen);// 255, 128, 0);
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 < layer.Rect.Height; y++)
{
int rowIndex = y * layer.Rect.Width;
PixelData *pCurrPixel = (PixelData *)pCurrRowPixel;
for (int x = 0; x < layer.Rect.Width; x++)
{
int pos = rowIndex + x;
Color pixelColor = GetColor(layer, pos);
if (layer.SortedChannels.ContainsKey(-2))
{
int maskAlpha = GetColor(layer.MaskData, x, y);
int oldAlpha = pixelColor.A;
int newAlpha = (oldAlpha * maskAlpha) / 255;
pixelColor = Color.FromArgb(newAlpha, pixelColor);
}
pCurrPixel->Alpha = pixelColor.A;
pCurrPixel->Red = pixelColor.R;
pCurrPixel->Green = pixelColor.G;
pCurrPixel->Blue = pixelColor.B;
pCurrPixel += 1;
}
pCurrRowPixel += bd.Stride;
}
}
bitmap.UnlockBits(bd);
#endif
return(bitmap);
}