/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * * Copyright by the Board of Trustees of the University of Illinois. * * All rights reserved. * * * * This file is part of HDF. The full HDF copyright notice, including * * terms governing use, modification, and redistribution, is contained in * * the COPYING file, which can be found at the root of the source code * * distribution tree, or in https://support.hdfgroup.org/ftp/HDF/releases/. * * If you do not have access to either file, you may request a copy from * * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* $Id$ */ /*----------------------------------------------------------------------------- * 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 /* description record: used to describe image data, palette data etc. */ typedef struct { int16 ncomponents; /* Number of components */ int16 interlace; /* data ordering: chunky / planar etc */ int32 xdim; /* X-dimension of data */ int32 ydim; /* Y-dimensionsof data */ DFdi nt; /* number type of data */ 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 { char *cf; /* color format */ int32 xpos; /* X position of image on screen */ int32 ypos; /* Y position of image on screen */ float32 aspectratio; /* ratio of pixel height to width */ float32 ccngamma; /* gamma color correction parameters */ float32 ccnred[3]; /* red color correction parameters */ float32 ccngrren[3]; /* green color correction parameters */ float32 ccnblue[3]; /* blue color correction parameters */ float32 ccnwhite[3]; /* white color correction parameters */ DFdi image; /* image */ DFRdr descimage; /* image data description */ DFdi lut; /* color look-up table (palette) */ DFRdr desclut; /* look-up table description */ DFdi mattechannel; /* matte? */ DFRdr descmattechannel; /* Description of matte? */ } DFRrig; /* dimensions of raster-8 image */ typedef struct R8dim { uint16 xd; uint16 yd; } R8dim; #endif /*DFRIG */