75 lines
3.3 KiB
C
75 lines
3.3 KiB
C
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF. The full HDF copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the COPYING file, which can be found at the root of the source code *
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* distribution tree, or in https://support.hdfgroup.org/ftp/HDF/releases/. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/* $Id$ */
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/*-----------------------------------------------------------------------------
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* File: dfgr.h
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* Purpose: header file for the Raster Image set
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* Invokes: df.h
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* Contents:
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* Structure definitions: DFGRdr, DFGRrig
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* Remarks: This is included with user programs which use general raster
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*---------------------------------------------------------------------------*/
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#ifndef DFGR_H /* avoid re-inclusion */
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#define DFGR_H
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/* description record: used to describe image data, palette data etc. */
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typedef struct
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{
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intn ncomponents; /* number of components */
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intn interlace; /* data ordering: chunky / planar etc */
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int32 xdim; /* X- dimension of data */
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int32 ydim; /* Y- dimensionsof data */
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DFdi nt; /* number type of data */
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DFdi compr; /* compression */
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/* ### Note: compression is currently uniquely described with a tag.
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No data is attached to this tag/ref. But this capability is
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provided for future expansion, when this tag/ref might point to
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some data needed for decompression, such as the actual encodings */
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}
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DFGRdr;
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/* structure to hold RIG info */
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typedef struct
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{
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char *cf; /* color format */
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int32 xpos; /* X position of image on screen */
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int32 ypos; /* Y position of image on screen */
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float32 aspectratio; /* ratio of pixel height to width */
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float32 ccngamma; /* gamma color correction parameter */
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float32 ccnred[3]; /* red color correction parameter */
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float32 ccngrren[3]; /* green color correction parameter */
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float32 ccnblue[3]; /* blue color correction parameter */
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float32 ccnwhite[3]; /* white color correction parameter */
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DFdi data[3]; /* image/lut/mattechannel */
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DFGRdr datadesc[3]; /* description of image/lut/mattechannel */
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}
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DFGRrig;
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#if defined c_plusplus || defined __cplusplus
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extern "C"
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{
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#endif /* c_plusplus || __cplusplus */
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/* Library-developer functions */
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HDFLIBAPI int32 DFGRIopen
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(const char *filename, int acc_mode);
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#if defined c_plusplus || defined __cplusplus
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}
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#endif /* c_plusplus || __cplusplus */
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#endif /* DFGR_H */
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