JCROP_CODE        136 transupp.h       JCROP_CODE crop_width_set;
JCROP_CODE        138 transupp.h       JCROP_CODE crop_height_set;
JCROP_CODE        140 transupp.h       JCROP_CODE crop_xoffset_set;	/* (negative measures from right edge) */
JCROP_CODE        142 transupp.h       JCROP_CODE crop_yoffset_set;	/* (negative measures from bottom edge) */