[Kde-imaging] [Bug 304242] Ricoh GRD 4 DNG file converted to DNG (recompress) has wrong colors

[Gilles Caulier]

https://bugs.kde.org/show_bug.cgi?id=304242

--- Comment #3 from Gilles Caulier <caulier.gilles at gmail.com> ---
We have a test application running in console to check processing :

unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: DNGWriter: Raw
data loaded:
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: --- Data Size:  
   20181312  bytes                                          
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: --- Date:       
   "2012-07-07T03:13:52"                                    
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: --- Make:       
   "RICOH"                                                  
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: --- Model:      
   "GR DIGITAL 4"                                           
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: --- ImageSize:  
   3672 x 2748                                              
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: --- FullSize:   
   3672 x 2748                                              
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: --- OutputSize: 
   3672 x 2748                                              
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: --- Orientation:
   0                                                        
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: --- Top margin: 
   0                                                        
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: --- Left margin:
   0                                                        
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: --- Filter:     
   "RGGBRGGBRGGBRGGB"                                       
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: --- Colors:     
   3                                                        
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: --- Black:      
   0                                                        
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: --- White:      
   4095                                                     
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: --- CAM->XYZ:    
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert:                 
   "0.0000  0.0000  0.0000"                                 
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert:                 
   "0.0000  0.0000  0.0000"                                 
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert:                 
   "0.0000  0.0000  0.0000"                                 
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert:                 
   "0.0000  0.0000  0.0000"                                 
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: DNGWriter: DNG
memory allocation and initialization
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: DNGWriter: DNG
Negative structure creation
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: DNGWriter:
Warning, camera XYZ Matrix is null
unnamed app(3121)/KIPI (general) DNGIface::DNGWriter::convert: DNGWriter:
Updating metadata to DNG Negative

The matrix is null. Your camera model is not supported by libraw. I agree, this
must report an error instead a warning...

Anyway, if you want to see your camera supported in the future, report this
problem to libraw.org project. Thanks in advance

Gilles

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