80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/* $XConsortium: iljpgencode.h /main/3 1995/10/23 15:55:58 rswiston $ */
|
|
/**---------------------------------------------------------------------
|
|
***
|
|
*** (c)Copyright 1992 Hewlett-Packard Co.
|
|
***
|
|
*** RESTRICTED RIGHTS LEGEND
|
|
*** Use, duplication, or disclosure by the U.S. Government is subject to
|
|
*** restrictions as set forth in sub-paragraph (c)(1)(ii) of the Rights in
|
|
*** Technical Data and Computer Software clause in DFARS 252.227-7013.
|
|
*** Hewlett-Packard Company
|
|
*** 3000 Hanover Street
|
|
*** Palo Alto, CA 94304 U.S.A.
|
|
*** Rights for non-DOD U.S. Government Departments and Agencies are as set
|
|
*** forth in FAR 52.227-19(c)(1,2).
|
|
***
|
|
***-------------------------------------------------------------------*/
|
|
|
|
|
|
|
|
#ifndef ILJPGENCODE_H
|
|
#define ILJPGENCODE_H
|
|
|
|
#ifndef ILJPG_H
|
|
#include "iljpg.h"
|
|
#endif
|
|
#ifndef ILJPGENCODEDEFS_H
|
|
#include "iljpgencodedefs.h"
|
|
#endif
|
|
|
|
/* Optionally returned by iljpgEncodeJIF(): offsets to tables
|
|
within the JIF encoded stream, as needed for writing JPEG to
|
|
TIFF. QTables[i] points to the 64 bytes of Q values for table
|
|
"i"; DC/ACTables[] to the 16 bytes of code lengths. All
|
|
offsets are from the beginning of the JIF image.
|
|
*/
|
|
typedef struct {
|
|
long QTables[4];
|
|
long DCTables[4];
|
|
long ACTables[4];
|
|
} iljpgJIFOffsetsRec, *iljpgJIFOffsetsPtr;
|
|
|
|
|
|
/* Default Q, AC and DC tables. */
|
|
ILJPG_PUBLIC_EXTERN iljpgByte iljpgLuminanceQTable[];
|
|
ILJPG_PUBLIC_EXTERN iljpgByte iljpgChrominanceQTable[];
|
|
ILJPG_PUBLIC_EXTERN iljpgByte iljpgLuminanceDCTable[];
|
|
ILJPG_PUBLIC_EXTERN iljpgByte iljpgChrominanceDCTable[];
|
|
ILJPG_PUBLIC_EXTERN iljpgByte iljpgLuminanceACTable[];
|
|
ILJPG_PUBLIC_EXTERN iljpgByte iljpgChrominanceACTable[];
|
|
|
|
|
|
ILJPG_PUBLIC_EXTERN
|
|
iljpgError iljpgEncodeJIF (
|
|
ILJPG_ENCODE_STREAM stream,
|
|
iljpgDataPtr pData,
|
|
iljpgJIFOffsetsPtr pOffsets
|
|
);
|
|
|
|
ILJPG_PUBLIC_EXTERN
|
|
iljpgError iljpgEncodeInit (
|
|
iljpgDataPtr pData,
|
|
iljpgPtr *pPrivate /* RETURNED */
|
|
);
|
|
|
|
ILJPG_PUBLIC_EXTERN
|
|
iljpgError iljpgEncodeCleanup (
|
|
iljpgPtr pPrivate
|
|
);
|
|
|
|
ILJPG_PUBLIC_EXTERN
|
|
iljpgError iljpgEncodeExecute (
|
|
iljpgPtr pPrivate,
|
|
ILJPG_ENCODE_STREAM stream,
|
|
long nSrcLines,
|
|
iljpgPtr pSrcPixels[],
|
|
long nSrcBytesPerRow[]
|
|
);
|
|
|
|
#endif
|