/***************************************************************************** 
*                                                                               
*                         NCSA HDF version 3.10                                 
*                               July 1, 1990                                    
*                                                                               
* NCSA HDF Version 3.10 source code and documentation are in the public         
* domain.  Specifically, we give to the public domain all rights for            
future                                                                          
* licensing of the source code, all resale rights, and all publishing           
rights.                                                                         
*                                                                               
* We ask, but do not require, that the following message be included in         
all                                                                             
* derived works:                                                                
*                                                                               
* Portions developed at the National Center for Supercomputing                  
Applications at                                                                 
* the University of Illinois at Urbana-Champaign.                               
*                                                                               
* THE UNIVERSITY OF ILLINOIS GIVES NO WARRANTY, EXPRESSED OR IMPLIED,           
FOR THE                                                                         
* SOFTWARE AND/OR DOCUMENTATION PROVIDED, INCLUDING, WITHOUT                    
LIMITATION,                                                                     
* WARRANTY OF MERCHANTABILITY AND WARRANTY OF FITNESS FOR A PARTICULAR          
PURPOSE                                                                         
*                                                                               
*****************************************************************************/  
                                                                                
 /*                                                                             
$Header: /pita/work/HDF/dev/RCS/src/dfrig.h,v 3.1 90/07/02 10:11:54             
clow beta $                                                                     
                                                                                
$Log:   dfrig.h,v $                                                             
 * Revision 3.1  90/07/02  10:11:54  clow                                       
 * some cosmetic modifications                                                  
 *                                                                              
*/                                                                              
                                                                                
 /*-----------------------------------------------------------------------------
 * File:    dfrig.h                                                             
 * Purpose: header file for the Raster Image set                                
 * Invokes: df.h                                                                
 * Contents:                                                                    
 *  Structure definitions: DFRdr, DFRrig                                        
 * Remarks: This is included with user programs which use RIG                   
 *---------------------------------------------------------------------------*/ 
                                                                                
                                                                                
#ifndef DFRIG                   /* avoid re-inclusion */                        
#define DFRIG                                                                   
                                                                                
#include "df.h"                                                                 
                                                                                
 /* description record: used to describe image data, palette data etc.          
*/                                                                              
typedef struct {                                                                
    int32 xdim, ydim;           /* dimensions of data */                        
    DFdi nt;                    /* number type of data */                       
    int16 ncomponents, interlace; /* data ordering: chunky / planar etc         
    */                                                                          
    DFdi compr;                 /* compression */                               
    /* ### Note: compression is currently uniquely described with a             
    tag.                                                                        
       No data is attached to this tag/ref.  But this capability is             
       provided for future expansion, when this tag/ref might point to          
       some data needed for decompression, such as the actual encodings         
       */                                                                       
} DFRdr;                                                                        
                                                                                
 /* structure to hold RIG info */                                               
typedef struct {                                                                
    DFdi image;                 /* image */                                     
    DFRdr descimage;            /* image data description */                    
    DFdi lut;                   /* color look-up table (palette) */             
    DFRdr desclut;              /* look-up table description */                 
    DFdi mattechannel;                                                          
    DFRdr descmattechannel;                                                     
    int32 xpos, ypos;           /* X-Y position of image on screen */           
    float aspectratio;          /* ratio of pixel height to width */            
    float ccngamma, ccnred??(3??), ccngrren??(3??), ccnblue??(3??),             
          ccnwhite??(3??);                                                      
            /* color correction parameters */                                   
    char *cf;                   /* color format */                              
} DFRrig;                                                                       
                                                                                
#endif /*DFRIG*/