typedef enum {
      KcsSpaceUnknown,                            /* Unknown* /
      KcsRGB,                                     /* RGB */
      KcsPhotoCDYcc,                              /* Photo CD Ycc */
      KcsUVLStar,                                 /* uvL */
      KcsCMY,                                     /* CMY */
      KcsCMYK,                                    /* CMYK */
      KcsRCS,                                     /* RCS */
      KcsGray,                                    /* Gray scale*/
      KcsCIEXYZ,                                  /* CIEXYZ */
      KcsCIELAB,                                  /* CIELAB */
      KcsCIELUV,                                  /* CIELUV */
      KcsLogExp,                                  /* Log Exposure interchange space */
      KcsAttrEnd,
      KcsAttrSpaceMax = KcsForceAlign
 }KcsAttrSpace;