/***************************************************************************** 
*                                                                               
*                         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/dfgr.h,v 3.0 90/02/02 20:34:28 clow         
beta $                                                                          
                                                                                
$Log:   dfgr.h,v $                                                              
 * Revision 3.0  90/02/02  20:34:28  clow                                       
 * *** empty log message ***                                                    
 *                                                                              
*/                                                                              
                                                                                
 /*-----------------------------------------------------------------------------
 * File:    dfgr.h                                                              
 * Purpose: header file for the Raster Image set                                
 * Invokes: df.h                                                                
 * Contents:                                                                    
 *  Structure definitions: DFGRdr, DFGRrig                                      
 * Remarks: This is included with user programs which use general               
 raster                                                                         
 *---------------------------------------------------------------------------*/ 
                                                                                
                                                                                
#ifndef DFGR                        /* avoid re-inclusion */                    
#define DFGR                                                                    
                                                                                
#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 */                                                             
} DFGRdr;                                                                       
                                                                                
 /* structure to hold RIG info */                                               
typedef struct {                                                                
    DFdi data??(3??);                   /* image/lut/mattechannel */            
    DFGRdr datadesc??(3??);             /* description of                       
    image/lut/mattechannel */                                                   
    int32 xpos, ypos;               /* X-Y position of image on screen          
    */                                                                          
    float aspectratio;              /* ratio of pixel height to width           
    */                                                                          
    float ccngamma,                 /* color correction parameters */           
   ccnred??(3??), ccngrren??(3??), ccnblue??(3??), ccnwhite??(3??);             
    char *cf;                       /* color format */                          
} DFGRrig;                                                                      
                                                                                
#ifdef IBM                                                  /* JES 90 */        
#pragma map( DFGRgetlutdims, "DGGLUTDI" )                   /* JES 90 */        
#pragma map( DFGRreqlutil,   "DGRLUTIL" )                   /* JES 90 */        
#pragma map( DFGRgetlut,     "DGGLUT"   )                   /* JES 90 */        
#pragma map( DFGRgetimdims,  "DGGIMDIM" )                   /* JES 90 */        
#pragma map( DFGRreqimil,    "DGRIMIL"  )                   /* JES 90 */        
#pragma map( DFGRgetimage,   "DGGIMAGE" )                   /* JES 90 */        
#pragma map( DFGRsetcompress,"DGSCOMP"  )                   /* JES 90 */        
#pragma map( DFGRsetlutdims, "DGSLUTDI" )                   /* JES 90 */        
#pragma map( DFGRsetlut,     "DGSLUT"   )                   /* JES 90 */        
#pragma map( DFGRaddlut,     "DGALUT"   )                   /* JES 90 */        
#pragma map( DFGRsetimdims,  "DGSTIMDI" )                   /* JES 90 */        
#pragma map( DFGRaddimage,   "DGAIMAGE" )                   /* JES 90 */        
#pragma map( DFGRreadref,    "DGRDREF"  )                   /* JES 90 */        
#pragma map( DFGRgetrig,     "DGGRIG"   )                   /* JES 90 */        
#pragma map( DFGRaddrig,     "DGARIG"   )                   /* JES 90 */        
#pragma map( DFGRIopen,      "DGIOPEN"  )                   /* JES 90 */        
#pragma map( DFGRIriginfo,   "DGIRIGIN" )                   /* JES 90 */        
#pragma map( DFGRIgetdims,   "DGIGDIMS" )                   /* JES 90 */        
#pragma map( DFGRIreqil,     "DGIRIL"   )                   /* JES 90 */        
#pragma map( DFGRIgetimlut,  "DGIGIMLT" )                   /* JES 90 */        
#pragma map( DFGRIsetdims,   "DGISDIMS" )                   /* JES 90 */        
#pragma map( DFGRIsetil,     "DGISIL"   )                   /* JES 90 */        
#pragma map( DFGRIrestart,   "DGIFIRST" )                   /* JES 90 */        
#pragma map( DFGRIaddimlut,  "DGIADLUT" )                   /* JES 90 */        
#endif /*IBM*/                                              /* JES 90 */        
                                                                                
#endif /*DFGR*/