bool FileFormatInstance::WriteRGBWS( const RGBColorSystem& rgbws )
{
try
{
if ( (*API->FileFormat->BeginRGBWSEmbedding)( handle ) == api_false )
return false;
float gamma = rgbws.Gamma();
api_bool issRGB = rgbws.IsSRGB();
FVector x = rgbws.ChromaticityXCoordinates();
FVector y = rgbws.ChromaticityYCoordinates();
FVector Y = rgbws.LuminanceCoefficients();
bool ok = (*API->FileFormat->SetImageRGBWS)( handle, gamma, issRGB, x.Begin(), y.Begin(), Y.Begin() ) != api_false;
if ( rgbws.Gamma() != gamma ||
rgbws.IsSRGB() != (issRGB != api_false) ||
rgbws.ChromaticityXCoordinates() != x ||
rgbws.ChromaticityYCoordinates() != y ||
rgbws.LuminanceCoefficients() != Y )
{
APIHackingAttempt( "WriteRGBWS" );
}
(*API->FileFormat->EndRGBWSEmbedding)( handle );
return ok;
}
catch ( ... )
{
(*API->FileFormat->EndRGBWSEmbedding)( handle );
throw;
}
}
bool FileFormatInstance::ReadRGBWS( RGBColorSystem& rgbws )
{
try
{
rgbws = RGBColorSystem();
if ( (*API->FileFormat->BeginRGBWSExtraction)( handle ) == api_false )
return false;
float gamma = rgbws.Gamma();
api_bool issRGB = rgbws.IsSRGB();
FVector x = rgbws.ChromaticityXCoordinates();
FVector y = rgbws.ChromaticityYCoordinates();
FVector Y = rgbws.LuminanceCoefficients();
bool ok = (*API->FileFormat->GetImageRGBWS)( handle, &gamma, &issRGB, x.Begin(), y.Begin(), Y.Begin() ) != api_false;
if ( ok )
rgbws = RGBColorSystem( gamma, issRGB, x, y, Y );
(*API->FileFormat->EndRGBWSExtraction)( handle );
return ok;
}
catch ( ... )
{
(*API->FileFormat->EndRGBWSExtraction)( handle );
throw;
}
}
RGBWorkingSpaceInstance::RGBWorkingSpaceInstance( const MetaProcess* P, const RGBColorSystem& rgbws ) :
ProcessImplementation( P ),
Y( rgbws.LuminanceCoefficients() ),
x( rgbws.ChromaticityXCoordinates() ),
y( rgbws.ChromaticityYCoordinates() ),
gamma( rgbws.Gamma() ),
sRGB( rgbws.IsSRGB() ),
applyGlobalRGBWS( false )
{
}