[Gimp-print-devel] testpattern_t what are the values?

[John R. <js...@ho...>]

Hi,

I'm having a tough time understanding the testpattern_t structure in 
src/testpattern.

Can someone tell me where the docs are that explain this, or tell me what 
the values mean and how they are used in the testprint program?

I particularly interested in the 'lower' and 'upper' fields.

typedef struct
{
  double c_min;
  double c;
  double c_gamma;
  double m_min;
  double m;
  double m_gamma;
  double y_min;
  double y;
  double y_gamma;
  double k_min;
  double k;
  double k_gamma;
  double c_level;
  double m_level;
  double y_level;
  double lower;
  double upper;
} testpattern_t;

Thanks,
John

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