312 lines
12 KiB
C
312 lines
12 KiB
C
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/* $Header: /usr/people/sam/tiff/libtiff/RCS/tiffio.h,v 1.93 1996/03/07 17:00:14 sam Rel $ */
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/*
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* Copyright (c) 1988-1996 Sam Leffler
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* Copyright (c) 1991-1996 Silicon Graphics, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that (i) the above copyright notices and this permission notice appear in
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* all copies of the software and related documentation, and (ii) the names of
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* Sam Leffler and Silicon Graphics may not be used in any advertising or
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* publicity relating to the software without the specific, prior written
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* permission of Sam Leffler and Silicon Graphics.
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*
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* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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*
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* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#ifndef _TIFFIO_
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#define _TIFFIO_
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/*
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* TIFF I/O Library Definitions.
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*/
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#include "tiff.h"
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/*
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* This define can be used in code that requires
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* compilation-related definitions specific to a
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* version or versions of the library. Runtime
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* version checking should be done based on the
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* string returned by TIFFGetVersion.
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*/
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#define TIFFLIB_VERSION 19960307 /* March 7, 1996 */
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/*
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* TIFF is defined as an incomplete type to hide the
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* library's internal data structures from clients.
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*/
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typedef struct tiff TIFF;
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/*
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* The following typedefs define the intrinsic size of
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* data types used in the *exported* interfaces. These
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* definitions depend on the proper definition of types
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* in tiff.h. Note also that the varargs interface used
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* pass tag types and values uses the types defined in
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* tiff.h directly.
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*
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* NB: ttag_t is unsigned int and not unsigned short because
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* ANSI C requires that the type before the ellipsis be a
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* promoted type (i.e. one of int, unsigned int, pointer,
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* or double) and because we defined pseudo-tags that are
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* outside the range of legal Aldus-assigned tags.
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* NB: tsize_t is int32 and not uint32 because some functions
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* return -1.
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* NB: toff_t is not off_t for many reasons; TIFFs max out at
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* 32-bit file offsets being the most important
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*/
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typedef unsigned int ttag_t; /* directory tag */
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typedef uint16 tdir_t; /* directory index */
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typedef uint16 tsample_t; /* sample number */
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typedef uint32 tstrip_t; /* strip number */
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typedef uint32 ttile_t; /* tile number */
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typedef int32 tsize_t; /* i/o size in bytes */
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#if defined(_WINDOWS) || defined(__WIN32__) || defined(_Windows)
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#include <windows.h>
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#ifdef __WIN32__
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DECLARE_HANDLE(thandle_t); /* Win32 file handle */
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#else
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typedef HFILE thandle_t; /* client data handle */
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#endif
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#else
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typedef void* thandle_t; /* client data handle */
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#endif
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typedef void* tdata_t; /* image data ref */
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typedef int32 toff_t; /* file offset */
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#ifndef NULL
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#define NULL 0
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#endif
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/*
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* Flags to pass to TIFFPrintDirectory to control
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* printing of data structures that are potentially
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* very large. Bit-or these flags to enable printing
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* multiple items.
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*/
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#define TIFFPRINT_NONE 0x0 /* no extra info */
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#define TIFFPRINT_STRIPS 0x1 /* strips/tiles info */
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#define TIFFPRINT_CURVES 0x2 /* color/gray response curves */
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#define TIFFPRINT_COLORMAP 0x4 /* colormap */
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#define TIFFPRINT_JPEGQTABLES 0x100 /* JPEG Q matrices */
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#define TIFFPRINT_JPEGACTABLES 0x200 /* JPEG AC tables */
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#define TIFFPRINT_JPEGDCTABLES 0x200 /* JPEG DC tables */
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/*
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* RGBA-style image support.
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*/
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typedef unsigned char TIFFRGBValue; /* 8-bit samples */
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typedef struct _TIFFRGBAImage TIFFRGBAImage;
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/*
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* The image reading and conversion routines invoke
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* ``put routines'' to copy/image/whatever tiles of
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* raw image data. A default set of routines are
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* provided to convert/copy raw image data to 8-bit
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* packed ABGR format rasters. Applications can supply
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* alternate routines that unpack the data into a
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* different format or, for example, unpack the data
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* and draw the unpacked raster on the display.
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*/
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typedef void (*tileContigRoutine)
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(TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32,
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unsigned char*);
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typedef void (*tileSeparateRoutine)
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(TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32,
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unsigned char*, unsigned char*, unsigned char*, unsigned char*);
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/*
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* RGBA-reader state.
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*/
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typedef struct { /* YCbCr->RGB support */
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TIFFRGBValue* clamptab; /* range clamping table */
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int* Cr_r_tab;
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int* Cb_b_tab;
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int32* Cr_g_tab;
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int32* Cb_g_tab;
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float coeffs[3]; /* cached for repeated use */
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} TIFFYCbCrToRGB;
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struct _TIFFRGBAImage {
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TIFF* tif; /* image handle */
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int stoponerr; /* stop on read error */
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int isContig; /* data is packed/separate */
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int alpha; /* type of alpha data present */
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uint32 width; /* image width */
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uint32 height; /* image height */
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uint16 bitspersample; /* image bits/sample */
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uint16 samplesperpixel; /* image samples/pixel */
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uint16 orientation; /* image orientation */
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uint16 photometric; /* image photometric interp */
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uint16* redcmap; /* colormap pallete */
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uint16* greencmap;
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uint16* bluecmap;
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/* get image data routine */
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int (*get)(TIFFRGBAImage*, uint32*, uint32, uint32);
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union {
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void (*any)(TIFFRGBAImage*);
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tileContigRoutine contig;
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tileSeparateRoutine separate;
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} put; /* put decoded strip/tile */
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TIFFRGBValue* Map; /* sample mapping array */
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uint32** BWmap; /* black&white map */
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uint32** PALmap; /* palette image map */
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TIFFYCbCrToRGB* ycbcr; /* YCbCr conversion state */
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};
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/*
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* Macros for extracting components from the
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* packed ABGR form returned by TIFFReadRGBAImage.
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*/
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#define TIFFGetR(abgr) ((abgr) & 0xff)
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#define TIFFGetG(abgr) (((abgr) >> 8) & 0xff)
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#define TIFFGetB(abgr) (((abgr) >> 16) & 0xff)
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#define TIFFGetA(abgr) (((abgr) >> 24) & 0xff)
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/*
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* A CODEC is a software package that implements decoding,
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* encoding, or decoding+encoding of a compression algorithm.
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* The library provides a collection of builtin codecs.
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* More codecs may be registered through calls to the library
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* and/or the builtin implementations may be overridden.
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*/
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typedef int (*TIFFInitMethod)(TIFF*, int);
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typedef struct {
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char* name;
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uint16 scheme;
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TIFFInitMethod init;
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} TIFFCodec;
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#include <stdio.h>
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#include <stdarg.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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typedef void (*TIFFErrorHandler)(const char*, const char*, va_list);
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typedef tsize_t (*TIFFReadWriteProc)(thandle_t, tdata_t, tsize_t);
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typedef toff_t (*TIFFSeekProc)(thandle_t, toff_t, int);
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typedef int (*TIFFCloseProc)(thandle_t);
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typedef toff_t (*TIFFSizeProc)(thandle_t);
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typedef int (*TIFFMapFileProc)(thandle_t, tdata_t*, toff_t*);
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typedef void (*TIFFUnmapFileProc)(thandle_t, tdata_t, toff_t);
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typedef void (*TIFFExtendProc)(TIFF*);
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extern const char* TIFFGetVersion(void);
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extern const TIFFCodec* TIFFFindCODEC(uint16);
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extern TIFFCodec* TIFFRegisterCODEC(uint16, const char*, TIFFInitMethod);
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extern void TIFFUnRegisterCODEC(TIFFCodec*);
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extern tdata_t _TIFFmalloc(tsize_t);
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extern tdata_t _TIFFrealloc(tdata_t, tsize_t);
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extern void _TIFFmemset(tdata_t, int, tsize_t);
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extern void _TIFFmemcpy(tdata_t, const tdata_t, tsize_t);
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extern int _TIFFmemcmp(const tdata_t, const tdata_t, tsize_t);
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extern void _TIFFfree(tdata_t);
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extern void TIFFClose(TIFF*);
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extern int TIFFFlush(TIFF*);
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extern int TIFFFlushData(TIFF*);
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extern int TIFFGetField(TIFF*, ttag_t, ...);
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extern int TIFFVGetField(TIFF*, ttag_t, va_list);
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extern int TIFFGetFieldDefaulted(TIFF*, ttag_t, ...);
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extern int TIFFVGetFieldDefaulted(TIFF*, ttag_t, va_list);
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extern int TIFFReadDirectory(TIFF*);
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extern tsize_t TIFFScanlineSize(TIFF*);
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extern tsize_t TIFFRasterScanlineSize(TIFF*);
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extern tsize_t TIFFStripSize(TIFF*);
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extern tsize_t TIFFVStripSize(TIFF*, uint32);
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extern tsize_t TIFFTileRowSize(TIFF*);
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extern tsize_t TIFFTileSize(TIFF*);
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extern tsize_t TIFFVTileSize(TIFF*, uint32);
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extern uint32 TIFFDefaultStripSize(TIFF*, uint32);
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extern void TIFFDefaultTileSize(TIFF*, uint32*, uint32*);
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extern int TIFFFileno(TIFF*);
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extern int TIFFGetMode(TIFF*);
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extern int TIFFIsTiled(TIFF*);
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extern int TIFFIsByteSwapped(TIFF*);
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extern int TIFFIsUpSampled(TIFF*);
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extern int TIFFIsMSB2LSB(TIFF*);
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extern uint32 TIFFCurrentRow(TIFF*);
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extern tdir_t TIFFCurrentDirectory(TIFF*);
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extern uint32 TIFFCurrentDirOffset(TIFF*);
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extern tstrip_t TIFFCurrentStrip(TIFF*);
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extern ttile_t TIFFCurrentTile(TIFF*);
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extern int TIFFReadBufferSetup(TIFF*, tdata_t, tsize_t);
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extern int TIFFWriteBufferSetup(TIFF*, tdata_t, tsize_t);
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extern int TIFFLastDirectory(TIFF*);
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extern int TIFFSetDirectory(TIFF*, tdir_t);
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extern int TIFFSetSubDirectory(TIFF*, uint32);
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extern int TIFFUnlinkDirectory(TIFF*, tdir_t);
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extern int TIFFSetField(TIFF*, ttag_t, ...);
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extern int TIFFVSetField(TIFF*, ttag_t, va_list);
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extern int TIFFWriteDirectory(TIFF *);
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#if defined(c_plusplus) || defined(__cplusplus)
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extern void TIFFPrintDirectory(TIFF*, FILE*, long = 0);
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extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t = 0);
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extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t = 0);
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extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int = 0);
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#else
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extern void TIFFPrintDirectory(TIFF*, FILE*, long);
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extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t);
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extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t);
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extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int);
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#endif
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extern int TIFFRGBAImageOK(TIFF*, char [1024]);
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extern int TIFFRGBAImageBegin(TIFFRGBAImage*, TIFF*, int, char [1024]);
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extern int TIFFRGBAImageGet(TIFFRGBAImage*, uint32*, uint32, uint32);
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extern void TIFFRGBAImageEnd(TIFFRGBAImage*);
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extern TIFF* TIFFOpen(const char*, const char*);
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extern TIFF* TIFFFdOpen(int, const char*, const char*);
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extern TIFF* TIFFClientOpen(const char*, const char*,
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thandle_t,
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TIFFReadWriteProc, TIFFReadWriteProc,
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TIFFSeekProc, TIFFCloseProc,
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TIFFSizeProc,
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TIFFMapFileProc, TIFFUnmapFileProc);
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extern const char* TIFFFileName(TIFF*);
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extern void TIFFError(const char*, const char*, ...);
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extern void TIFFWarning(const char*, const char*, ...);
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extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler);
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extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler);
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extern TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc);
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extern ttile_t TIFFComputeTile(TIFF*, uint32, uint32, uint32, tsample_t);
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extern int TIFFCheckTile(TIFF*, uint32, uint32, uint32, tsample_t);
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extern ttile_t TIFFNumberOfTiles(TIFF*);
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extern tsize_t TIFFReadTile(TIFF*,
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tdata_t, uint32, uint32, uint32, tsample_t);
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extern tsize_t TIFFWriteTile(TIFF*,
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tdata_t, uint32, uint32, uint32, tsample_t);
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extern tstrip_t TIFFComputeStrip(TIFF*, uint32, tsample_t);
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extern tstrip_t TIFFNumberOfStrips(TIFF*);
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extern tsize_t TIFFReadEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
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extern tsize_t TIFFReadRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
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extern tsize_t TIFFReadEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t);
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extern tsize_t TIFFReadRawTile(TIFF*, ttile_t, tdata_t, tsize_t);
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extern tsize_t TIFFWriteEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
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extern tsize_t TIFFWriteRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
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extern tsize_t TIFFWriteEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t);
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extern tsize_t TIFFWriteRawTile(TIFF*, ttile_t, tdata_t, tsize_t);
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extern void TIFFSetWriteOffset(TIFF*, toff_t);
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extern void TIFFSwabShort(uint16*);
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extern void TIFFSwabLong(uint32*);
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extern void TIFFSwabDouble(double*);
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extern void TIFFSwabArrayOfShort(uint16*, unsigned long);
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extern void TIFFSwabArrayOfLong(uint32*, unsigned long);
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extern void TIFFSwabArrayOfDouble(double*, unsigned long);
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extern void TIFFReverseBits(unsigned char *, unsigned long);
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extern const unsigned char* TIFFGetBitRevTable(int);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* _TIFFIO_ */
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