public bool AddLUTFromTexture(LUTSettings lutSettings, Texture2D lutTexture)
{
if (lutSettings == null || lutTexture == null)
{
return(false);
}
var size = lutTexture.height;
if (size != lutSettings.Size)
{
return(false);
}
var irt = FromTexture(lutTexture);
var lut = irt.GetLUT(new LUTSettings(size, 1));
if (lut == null)
{
return(false);
}
int columns = lutSettings.Columns;
int rows = lutSettings.Rows;
if (Width < columns * size)
{
return(false);
}
if (Height < rows * size)
{
return(false);
}
var lutdata = lut.Data;
var data = ColorData;
for (int r = 0; r < rows; r++)
{
for (int c = 0; c < columns; c++)
{
for (int h = 0; h < size; h++)
{
for (int w = 0; w < size; w++)
{
int row = r * size + h;
int col = c * size + w;
//data[col, row] = new Color((float)w / size, (float)h / size, (float)(c + r * columns) / size);
data[col, row] = lutdata[w, size - h - 1, (c + r * columns)];
}
}
}
}
lut.Release();
return(true);
}
public bool AddLUT(LUTSettings settings)
{
int size = settings.Size;
int columns = settings.Columns;
int rows = settings.Rows;
if (Width < columns * size)
{
return(false);
}
if (Height < rows * size)
{
return(false);
}
var data = ColorData;
for (int r = 0; r < rows; r++)
{
for (int c = 0; c < columns; c++)
{
for (int h = 0; h < size; h++)
{
for (int w = 0; w < size; w++)
{
int row = r * size + h;
int col = c * size + w;
float rf = ( float )w / (size - 1);
float gf = ( float )h / (size - 1);
float bf = ( float )(c + r * columns) / (size - 1);
data[col, row] = new Color(rf, gf, bf);
}
}
}
}
return(true);
}
public bool AddLUT( LUTSettings settings )
{
int size = settings.Size;
int columns = settings.Columns;
int rows = settings.Rows;
if ( Width < columns * size )
{
return false;
}
if ( Height < rows * size )
{
return false;
}
var data = ColorData;
for ( int r = 0; r < rows; r++ )
{
for ( int c = 0; c < columns; c++ )
{
for ( int h = 0; h < size; h++ )
{
for ( int w = 0; w < size; w++ )
{
int row = r * size + h;
int col = c * size + w;
float rf = ( float ) w / ( size - 1 );
float gf = ( float ) h / ( size - 1 );
float bf = ( float ) ( c + r * columns ) / ( size - 1 );
data[ col, row ] = new Color( rf, gf, bf );
}
}
}
}
return true;
}
public LUTResult GetLUT(LUTSettings lutSettings)
{
int size = lutSettings.Size;
int columns = lutSettings.Columns;
int rows = lutSettings.Rows;
if (Width < columns * size)
{
return(null);
}
if (Height < rows * size)
{
return(null);
}
Color[ , , ] data = new Color[size, size, size];
var colorData = ColorData;
for (int r = 0; r < rows; r++)
{
for (int c = 0; c < columns; c++)
{
for (int h = 0; h < size; h++)
{
for (int w = 0; w < size; w++)
{
int row = r * size + h;
int col = c * size + w;
int stack = (c + r * columns);
data[w, h, stack] = colorData[col, row];
}
}
}
}
return(new LUTResult(data));
}
public static bool LoadTexture2DLutFromPhotoshopData( byte[] data, LUTSettings settings, out Texture2D texture )
{
int columns = settings.Columns;
int rows = settings.Rows;
int size = settings.Size;
var decryptedBytes = data.AsEnumerable();
//byte imageType = decryptedBytes.Take(1).First();
decryptedBytes = decryptedBytes.Skip( 1 );
var tempbytes = decryptedBytes.Take( 4 ).Reverse().ToArray();
decryptedBytes = decryptedBytes.Skip( 4 );
int imageWidth = BitConverter.ToInt32( tempbytes, 0 );
tempbytes = decryptedBytes.Take( 4 ).Reverse().ToArray();
decryptedBytes = decryptedBytes.Skip( 4 );
int imageHeight = BitConverter.ToInt32( tempbytes, 0 );
//tempbytes = decryptedBytes.Take(4).Reverse().ToArray();
decryptedBytes = decryptedBytes.Skip( 4 );
//int rowBytes = BitConverter.ToInt32(tempbytes, 0);
//byte colorMode = decryptedBytes.Take(1).First();
decryptedBytes = decryptedBytes.Skip( 1 );
//byte channelCount = decryptedBytes.Take(1).First();
decryptedBytes = decryptedBytes.Skip( 1 );
//byte bitsChannel = decryptedBytes.Take(1).First();
decryptedBytes = decryptedBytes.Skip( 1 );
var imageData = new Color[ imageWidth, imageHeight ];
var bytesarray = decryptedBytes.ToArray();
for ( int i = 0, k = 0; i < imageHeight; i++ )
{
for ( int j = 0; j < imageWidth; j++ )
{
imageData[ j, i ] = new Color( bytesarray[ k++ ] / 255f, bytesarray[ k++ ] / 255f, bytesarray[ k++ ] / 255f, 1f );
}
}
var lutTexture = new Texture2D( size * size, size, TextureFormat.ARGB32, false );
var lutData = new Color[ size * size * size ];
for ( int h = 0, i = 0; h < size; h++ )
{
for ( int r = 0; r < rows; r++ )
{
for ( int w = 0; w < size * columns; w++ )
{
lutData[ i++ ] = imageData[ w, h + r * size ];
}
}
}
lutTexture.SetPixels( lutData );
lutTexture.Apply();
texture = lutTexture;
return true;
}
public static bool LoadTexture2DLutFromPhotoshopData(byte[] data, LUTSettings settings, out Texture2D texture)
{
int columns = settings.Columns;
int rows = settings.Rows;
int size = settings.Size;
var decryptedBytes = data.AsEnumerable();
//byte imageType = decryptedBytes.Take(1).First();
decryptedBytes = decryptedBytes.Skip(1);
var tempbytes = decryptedBytes.Take(4).Reverse().ToArray();
decryptedBytes = decryptedBytes.Skip(4);
int imageWidth = BitConverter.ToInt32(tempbytes, 0);
tempbytes = decryptedBytes.Take(4).Reverse().ToArray();
decryptedBytes = decryptedBytes.Skip(4);
int imageHeight = BitConverter.ToInt32(tempbytes, 0);
//tempbytes = decryptedBytes.Take(4).Reverse().ToArray();
decryptedBytes = decryptedBytes.Skip(4);
//int rowBytes = BitConverter.ToInt32(tempbytes, 0);
//byte colorMode = decryptedBytes.Take(1).First();
decryptedBytes = decryptedBytes.Skip(1);
//byte channelCount = decryptedBytes.Take(1).First();
decryptedBytes = decryptedBytes.Skip(1);
//byte bitsChannel = decryptedBytes.Take(1).First();
decryptedBytes = decryptedBytes.Skip(1);
var imageData = new Color[imageWidth, imageHeight];
var bytesarray = decryptedBytes.ToArray();
for (int i = 0, k = 0; i < imageHeight; i++)
{
for (int j = 0; j < imageWidth; j++)
{
imageData[j, i] = new Color(bytesarray[k++] / 255f, bytesarray[k++] / 255f, bytesarray[k++] / 255f, 1f);
}
}
var lutTexture = new Texture2D(size * size, size, TextureFormat.ARGB32, false);
var lutData = new Color[size * size * size];
for (int h = 0, i = 0; h < size; h++)
{
for (int r = 0; r < rows; r++)
{
for (int w = 0; w < size * columns; w++)
{
lutData[i++] = imageData[w, h + r * size];
}
}
}
lutTexture.SetPixels(lutData);
lutTexture.Apply();
texture = lutTexture;
return(true);
}
public LUTResult GetLUT( LUTSettings lutSettings )
{
int size = lutSettings.Size;
int columns = lutSettings.Columns;
int rows = lutSettings.Rows;
if ( Width < columns * size )
{
return null;
}
if ( Height < rows * size )
{
return null;
}
Color[ , , ] data = new Color[ size, size, size ];
var colorData = ColorData;
for ( int r = 0; r < rows; r++ )
{
for ( int c = 0; c < columns; c++ )
{
for ( int h = 0; h < size; h++ )
{
for ( int w = 0; w < size; w++ )
{
int row = r * size + h;
int col = c * size + w;
int stack = ( c + r * columns );
data[ w, h, stack ] = colorData[ col, row ];
}
}
}
}
return new LUTResult( data );
}
public bool AddLUTFromTexture( LUTSettings lutSettings, Texture2D lutTexture )
{
if ( lutSettings == null || lutTexture == null )
{
return false;
}
var size = lutTexture.height;
if ( size != lutSettings.Size )
{
return false;
}
var irt = FromTexture( lutTexture );
var lut = irt.GetLUT( new LUTSettings( size, 1 ) );
if ( lut == null )
{
return false;
}
int columns = lutSettings.Columns;
int rows = lutSettings.Rows;
if ( Width < columns * size )
{
return false;
}
if ( Height < rows * size )
{
return false;
}
var lutdata = lut.Data;
var data = ColorData;
for ( int r = 0; r < rows; r++ )
{
for ( int c = 0; c < columns; c++ )
{
for ( int h = 0; h < size; h++ )
{
for ( int w = 0; w < size; w++ )
{
int row = r * size + h;
int col = c * size + w;
//data[col, row] = new Color((float)w / size, (float)h / size, (float)(c + r * columns) / size);
data[ col, row ] = lutdata[ w, size - h - 1, ( c + r * columns ) ];
}
}
}
}
return true;
}
