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greg |
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/* RCSid: $Id$ */ |
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/* |
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* Copyright (c) 1988-1997 Sam Leffler |
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* Copyright (c) 1991-1997 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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#include "tiffvers.h" |
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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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* to 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, and to ensure |
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* that it is unsigned, rather than signed. |
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*/ |
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typedef uint32 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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typedef void* tdata_t; /* image data ref */ |
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typedef uint32 toff_t; /* file offset */ |
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#if !defined(__WIN32__) && (defined(_WIN32) || defined(WIN32)) |
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#define __WIN32__ |
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#endif |
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/* |
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* On windows you should define USE_WIN32_FILEIO if you are using tif_win32.c |
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* or AVOID_WIN32_FILEIO if you are using something else (like tif_unix.c). |
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* |
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* By default tif_win32.c is assumed on windows if not using the cygwin |
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* environment. |
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*/ |
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#if defined(_WINDOWS) || defined(__WIN32__) || defined(_Windows) |
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# if !defined(__CYGWIN) && !defined(AVOID_WIN32_FILEIO) && !defined(USE_WIN32_FILIO) |
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# define USE_WIN32_FILEIO |
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# endif |
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#endif |
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#if defined(USE_WIN32_FILEIO) |
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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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#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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int row_offset; |
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int col_offset; |
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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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/* share internal LogLuv conversion routines */ |
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#ifndef LOGLUV_PUBLIC |
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#define LOGLUV_PUBLIC 1 |
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#endif |
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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 tdir_t TIFFNumberOfDirectories(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 TIFFWriteCheck(TIFF*, int, const char *); |
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extern int TIFFCreateDirectory(TIFF*); |
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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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extern int TIFFReassignTagToIgnore(enum TIFFIgnoreSense, int); |
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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 TIFFReadRGBAStrip(TIFF*, tstrip_t, uint32 * ); |
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extern int TIFFReadRGBATile(TIFF*, uint32, uint32, uint32 * ); |
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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); |
| 322 |
|
|
extern tsize_t TIFFWriteEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t); |
| 323 |
|
|
extern tsize_t TIFFWriteRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t); |
| 324 |
|
|
extern tsize_t TIFFWriteEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t); |
| 325 |
|
|
extern tsize_t TIFFWriteRawTile(TIFF*, ttile_t, tdata_t, tsize_t); |
| 326 |
|
|
extern void TIFFSetWriteOffset(TIFF*, toff_t); |
| 327 |
|
|
extern void TIFFSwabShort(uint16*); |
| 328 |
|
|
extern void TIFFSwabLong(uint32*); |
| 329 |
|
|
extern void TIFFSwabDouble(double*); |
| 330 |
|
|
extern void TIFFSwabArrayOfShort(uint16*, unsigned long); |
| 331 |
|
|
extern void TIFFSwabArrayOfLong(uint32*, unsigned long); |
| 332 |
|
|
extern void TIFFSwabArrayOfDouble(double*, unsigned long); |
| 333 |
|
|
extern void TIFFReverseBits(unsigned char *, unsigned long); |
| 334 |
|
|
extern const unsigned char* TIFFGetBitRevTable(int); |
| 335 |
|
|
|
| 336 |
|
|
#if LOGLUV_PUBLIC |
| 337 |
|
|
#define U_NEU 0.210526316 |
| 338 |
|
|
#define V_NEU 0.473684211 |
| 339 |
|
|
#define UVSCALE 410. |
| 340 |
|
|
extern double LogL16toY(int); |
| 341 |
|
|
extern double LogL10toY(int); |
| 342 |
|
|
extern void XYZtoRGB24(float*, uint8*); |
| 343 |
|
|
extern int uv_decode(double*, double*, int); |
| 344 |
|
|
extern void LogLuv24toXYZ(uint32, float*); |
| 345 |
|
|
extern void LogLuv32toXYZ(uint32, float*); |
| 346 |
|
|
#if defined(c_plusplus) || defined(__cplusplus) |
| 347 |
|
|
extern int LogL16fromY(double, int = SGILOGENCODE_NODITHER); |
| 348 |
|
|
extern int LogL10fromY(double, int = SGILOGENCODE_NODITHER); |
| 349 |
|
|
extern int uv_encode(double, double, int = SGILOGENCODE_NODITHER); |
| 350 |
|
|
extern uint32 LogLuv24fromXYZ(float*, int = SGILOGENCODE_NODITHER); |
| 351 |
|
|
extern uint32 LogLuv32fromXYZ(float*, int = SGILOGENCODE_NODITHER); |
| 352 |
|
|
#else |
| 353 |
|
|
extern int LogL16fromY(double, int); |
| 354 |
|
|
extern int LogL10fromY(double, int); |
| 355 |
|
|
extern int uv_encode(double, double, int); |
| 356 |
|
|
extern uint32 LogLuv24fromXYZ(float*, int); |
| 357 |
|
|
extern uint32 LogLuv32fromXYZ(float*, int); |
| 358 |
|
|
#endif |
| 359 |
|
|
#endif /* LOGLUV_PUBLIC */ |
| 360 |
|
|
#if defined(__cplusplus) |
| 361 |
|
|
} |
| 362 |
|
|
#endif |
| 363 |
|
|
#endif /* _TIFFIO_ */ |
