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/* $Header: /d1/sam/tiff/libtiff/RCS/tiffio.h,v 1.97 1997/08/29 21:45:40 sam Exp $ */
/*
* Copyright (c) 1988-1997 Sam Leffler
* Copyright (c) 1991-1997 Silicon Graphics, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that (i) the above copyright notices and this permission notice appear in
* all copies of the software and related documentation, and (ii) the names of
* Sam Leffler and Silicon Graphics may not be used in any advertising or
* publicity relating to the software without the specific, prior written
* permission of Sam Leffler and Silicon Graphics.
*
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#ifndef _TIFFIO_
#define _TIFFIO_
/*
* TIFF I/O Library Definitions.
*/
#include "tiff.h"
/*
* This define can be used in code that requires
* compilation-related definitions specific to a
* version or versions of the library. Runtime
* version checking should be done based on the
* string returned by TIFFGetVersion.
*/
#define TIFFLIB_VERSION 19970127 /* January 27, 1997 */
/*
* TIFF is defined as an incomplete type to hide the
* library's internal data structures from clients.
*/
typedef struct tiff TIFF;
/*
* The following typedefs define the intrinsic size of
* data types used in the *exported* interfaces. These
* definitions depend on the proper definition of types
* in tiff.h. Note also that the varargs interface used
* to pass tag types and values uses the types defined in
* tiff.h directly.
*
* NB: ttag_t is unsigned int and not unsigned short because
* ANSI C requires that the type before the ellipsis be a
* promoted type (i.e. one of int, unsigned int, pointer,
* or double) and because we defined pseudo-tags that are
* outside the range of legal Aldus-assigned tags.
* NB: tsize_t is int32 and not uint32 because some functions
* return -1.
* NB: toff_t is not off_t for many reasons; TIFFs max out at
* 32-bit file offsets being the most important
*/
typedef uint32 ttag_t; /* directory tag */
typedef uint16 tdir_t; /* directory index */
typedef uint16 tsample_t; /* sample number */
typedef uint32 tstrip_t; /* strip number */
typedef uint32 ttile_t; /* tile number */
typedef int32 tsize_t; /* i/o size in bytes */
typedef void* tdata_t; /* image data ref */
typedef int32 toff_t; /* file offset */
#if !defined(__WIN32__) && (defined(_WIN32) || defined(WIN32))
#define __WIN32__
#endif
#if defined(_WINDOWS) || defined(__WIN32__) || defined(_Windows)
#include <windows.h>
#ifdef __WIN32__
DECLARE_HANDLE(thandle_t); /* Win32 file handle */
#else
typedef HFILE thandle_t; /* client data handle */
#endif
#else
typedef void* thandle_t; /* client data handle */
#endif
#ifndef NULL
#define NULL 0
#endif
/*
* Flags to pass to TIFFPrintDirectory to control
* printing of data structures that are potentially
* very large. Bit-or these flags to enable printing
* multiple items.
*/
#define TIFFPRINT_NONE 0x0 /* no extra info */
#define TIFFPRINT_STRIPS 0x1 /* strips/tiles info */
#define TIFFPRINT_CURVES 0x2 /* color/gray response curves */
#define TIFFPRINT_COLORMAP 0x4 /* colormap */
#define TIFFPRINT_JPEGQTABLES 0x100 /* JPEG Q matrices */
#define TIFFPRINT_JPEGACTABLES 0x200 /* JPEG AC tables */
#define TIFFPRINT_JPEGDCTABLES 0x200 /* JPEG DC tables */
/*
* RGBA-style image support.
*/
typedef unsigned char TIFFRGBValue; /* 8-bit samples */
typedef struct _TIFFRGBAImage TIFFRGBAImage;
/*
* The image reading and conversion routines invoke
* ``put routines'' to copy/image/whatever tiles of
* raw image data. A default set of routines are
* provided to convert/copy raw image data to 8-bit
* packed ABGR format rasters. Applications can supply
* alternate routines that unpack the data into a
* different format or, for example, unpack the data
* and draw the unpacked raster on the display.
*/
typedef void (*tileContigRoutine)
(TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32,
unsigned char*);
typedef void (*tileSeparateRoutine)
(TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32,
unsigned char*, unsigned char*, unsigned char*, unsigned char*);
/*
* RGBA-reader state.
*/
typedef struct { /* YCbCr->RGB support */
TIFFRGBValue* clamptab; /* range clamping table */
int* Cr_r_tab;
int* Cb_b_tab;
int32* Cr_g_tab;
int32* Cb_g_tab;
float coeffs[3]; /* cached for repeated use */
} TIFFYCbCrToRGB;
struct _TIFFRGBAImage {
TIFF* tif; /* image handle */
int stoponerr; /* stop on read error */
int isContig; /* data is packed/separate */
int alpha; /* type of alpha data present */
uint32 width; /* image width */
uint32 height; /* image height */
uint16 bitspersample; /* image bits/sample */
uint16 samplesperpixel; /* image samples/pixel */
uint16 orientation; /* image orientation */
uint16 photometric; /* image photometric interp */
uint16* redcmap; /* colormap pallete */
uint16* greencmap;
uint16* bluecmap;
/* get image data routine */
int (*get)(TIFFRGBAImage*, uint32*, uint32, uint32);
union {
void (*any)(TIFFRGBAImage*);
tileContigRoutine contig;
tileSeparateRoutine separate;
} put; /* put decoded strip/tile */
TIFFRGBValue* Map; /* sample mapping array */
uint32** BWmap; /* black&white map */
uint32** PALmap; /* palette image map */
TIFFYCbCrToRGB* ycbcr; /* YCbCr conversion state */
};
/*
* Macros for extracting components from the
* packed ABGR form returned by TIFFReadRGBAImage.
*/
#define TIFFGetR(abgr) ((abgr) & 0xff)
#define TIFFGetG(abgr) (((abgr) >> 8) & 0xff)
#define TIFFGetB(abgr) (((abgr) >> 16) & 0xff)
#define TIFFGetA(abgr) (((abgr) >> 24) & 0xff)
/*
* A CODEC is a software package that implements decoding,
* encoding, or decoding+encoding of a compression algorithm.
* The library provides a collection of builtin codecs.
* More codecs may be registered through calls to the library
* and/or the builtin implementations may be overridden.
*/
typedef int (*TIFFInitMethod)(TIFF*, int);
typedef struct {
char* name;
uint16 scheme;
TIFFInitMethod init;
} TIFFCodec;
#include <stdio.h>
#include <stdarg.h>
#if defined(__cplusplus)
extern "C" {
#endif
typedef void (*TIFFErrorHandler)(const char*, const char*, va_list);
typedef tsize_t (*TIFFReadWriteProc)(thandle_t, tdata_t, tsize_t);
typedef toff_t (*TIFFSeekProc)(thandle_t, toff_t, int);
typedef int (*TIFFCloseProc)(thandle_t);
typedef toff_t (*TIFFSizeProc)(thandle_t);
typedef int (*TIFFMapFileProc)(thandle_t, tdata_t*, toff_t*);
typedef void (*TIFFUnmapFileProc)(thandle_t, tdata_t, toff_t);
typedef void (*TIFFExtendProc)(TIFF*);
extern const char* TIFFGetVersion(void);
extern const TIFFCodec* TIFFFindCODEC(uint16);
extern TIFFCodec* TIFFRegisterCODEC(uint16, const char*, TIFFInitMethod);
extern void TIFFUnRegisterCODEC(TIFFCodec*);
extern tdata_t _TIFFmalloc(tsize_t);
extern tdata_t _TIFFrealloc(tdata_t, tsize_t);
extern void _TIFFmemset(tdata_t, int, tsize_t);
extern void _TIFFmemcpy(tdata_t, const tdata_t, tsize_t);
extern int _TIFFmemcmp(const tdata_t, const tdata_t, tsize_t);
extern void _TIFFfree(tdata_t);
extern void TIFFClose(TIFF*);
extern int TIFFFlush(TIFF*);
extern int TIFFFlushData(TIFF*);
extern int TIFFGetField(TIFF*, ttag_t, ...);
extern int TIFFVGetField(TIFF*, ttag_t, va_list);
extern int TIFFGetFieldDefaulted(TIFF*, ttag_t, ...);
extern int TIFFVGetFieldDefaulted(TIFF*, ttag_t, va_list);
extern int TIFFReadDirectory(TIFF*);
extern tsize_t TIFFScanlineSize(TIFF*);
extern tsize_t TIFFRasterScanlineSize(TIFF*);
extern tsize_t TIFFStripSize(TIFF*);
extern tsize_t TIFFVStripSize(TIFF*, uint32);
extern tsize_t TIFFTileRowSize(TIFF*);
extern tsize_t TIFFTileSize(TIFF*);
extern tsize_t TIFFVTileSize(TIFF*, uint32);
extern uint32 TIFFDefaultStripSize(TIFF*, uint32);
extern void TIFFDefaultTileSize(TIFF*, uint32*, uint32*);
extern int TIFFFileno(TIFF*);
extern int TIFFGetMode(TIFF*);
extern int TIFFIsTiled(TIFF*);
extern int TIFFIsByteSwapped(TIFF*);
extern int TIFFIsUpSampled(TIFF*);
extern int TIFFIsMSB2LSB(TIFF*);
extern uint32 TIFFCurrentRow(TIFF*);
extern tdir_t TIFFCurrentDirectory(TIFF*);
extern tdir_t TIFFNumberOfDirectories(TIFF*);
extern uint32 TIFFCurrentDirOffset(TIFF*);
extern tstrip_t TIFFCurrentStrip(TIFF*);
extern ttile_t TIFFCurrentTile(TIFF*);
extern int TIFFReadBufferSetup(TIFF*, tdata_t, tsize_t);
extern int TIFFWriteBufferSetup(TIFF*, tdata_t, tsize_t);
extern int TIFFLastDirectory(TIFF*);
extern int TIFFSetDirectory(TIFF*, tdir_t);
extern int TIFFSetSubDirectory(TIFF*, uint32);
extern int TIFFUnlinkDirectory(TIFF*, tdir_t);
extern int TIFFSetField(TIFF*, ttag_t, ...);
extern int TIFFVSetField(TIFF*, ttag_t, va_list);
extern int TIFFWriteDirectory(TIFF *);
#if defined(c_plusplus) || defined(__cplusplus)
extern void TIFFPrintDirectory(TIFF*, FILE*, long = 0);
extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t = 0);
extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t = 0);
extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int = 0);
#else
extern void TIFFPrintDirectory(TIFF*, FILE*, long);
extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t);
extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t);
extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int);
#endif
extern int TIFFRGBAImageOK(TIFF*, char [1024]);
extern int TIFFRGBAImageBegin(TIFFRGBAImage*, TIFF*, int, char [1024]);
extern int TIFFRGBAImageGet(TIFFRGBAImage*, uint32*, uint32, uint32);
extern void TIFFRGBAImageEnd(TIFFRGBAImage*);
extern TIFF* TIFFOpen(const char*, const char*);
extern TIFF* TIFFFdOpen(int, const char*, const char*);
extern TIFF* TIFFClientOpen(const char*, const char*,
thandle_t,
TIFFReadWriteProc, TIFFReadWriteProc,
TIFFSeekProc, TIFFCloseProc,
TIFFSizeProc,
TIFFMapFileProc, TIFFUnmapFileProc);
extern const char* TIFFFileName(TIFF*);
extern void TIFFError(const char*, const char*, ...);
extern void TIFFWarning(const char*, const char*, ...);
extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler);
extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler);
extern TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc);
extern ttile_t TIFFComputeTile(TIFF*, uint32, uint32, uint32, tsample_t);
extern int TIFFCheckTile(TIFF*, uint32, uint32, uint32, tsample_t);
extern ttile_t TIFFNumberOfTiles(TIFF*);
extern tsize_t TIFFReadTile(TIFF*,
tdata_t, uint32, uint32, uint32, tsample_t);
extern tsize_t TIFFWriteTile(TIFF*,
tdata_t, uint32, uint32, uint32, tsample_t);
extern tstrip_t TIFFComputeStrip(TIFF*, uint32, tsample_t);
extern tstrip_t TIFFNumberOfStrips(TIFF*);
extern tsize_t TIFFReadEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
extern tsize_t TIFFReadRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
extern tsize_t TIFFReadEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t);
extern tsize_t TIFFReadRawTile(TIFF*, ttile_t, tdata_t, tsize_t);
extern tsize_t TIFFWriteEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
extern tsize_t TIFFWriteRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
extern tsize_t TIFFWriteEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t);
extern tsize_t TIFFWriteRawTile(TIFF*, ttile_t, tdata_t, tsize_t);
extern void TIFFSetWriteOffset(TIFF*, toff_t);
extern void TIFFSwabShort(uint16*);
extern void TIFFSwabLong(uint32*);
extern void TIFFSwabDouble(double*);
extern void TIFFSwabArrayOfShort(uint16*, unsigned long);
extern void TIFFSwabArrayOfLong(uint32*, unsigned long);
extern void TIFFSwabArrayOfDouble(double*, unsigned long);
extern void TIFFReverseBits(unsigned char *, unsigned long);
extern const unsigned char* TIFFGetBitRevTable(int);
#if defined(__cplusplus)
}
#endif
#endif /* _TIFFIO_ */
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