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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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|
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#ifndef _TIFFIO_ |
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#define _TIFFIO_ |
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|
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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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/* |
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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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/* |
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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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|
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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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/* |
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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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|
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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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|
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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 /* __WIN32__ */ |
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#else |
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typedef void* thandle_t; /* client data handle */ |
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#endif /* USE_WIN32_FILEIO */ |
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|
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#ifndef NULL |
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# define NULL (void *)0 |
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#endif |
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|
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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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/* |
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* Colour conversion stuff |
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*/ |
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|
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/* reference white */ |
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#define D65_X0 (95.0470F) |
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#define D65_Y0 (100.0F) |
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#define D65_Z0 (108.8827F) |
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|
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#define D50_X0 (96.4250F) |
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#define D50_Y0 (100.0F) |
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#define D50_Z0 (82.4680F) |
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|
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/* Structure for holding information about a display device. */ |
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|
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typedef unsigned char TIFFRGBValue; /* 8-bit samples */ |
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|
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typedef struct { |
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float d_mat[3][3]; /* XYZ -> luminance matrix */ |
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float d_YCR; /* Light o/p for reference white */ |
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float d_YCG; |
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float d_YCB; |
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uint32 d_Vrwr; /* Pixel values for ref. white */ |
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uint32 d_Vrwg; |
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uint32 d_Vrwb; |
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float d_Y0R; /* Residual light for black pixel */ |
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float d_Y0G; |
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float d_Y0B; |
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float d_gammaR; /* Gamma values for the three guns */ |
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float d_gammaG; |
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float d_gammaB; |
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} TIFFDisplay; |
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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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int32* Y_tab; |
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} TIFFYCbCrToRGB; |
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|
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typedef struct { /* CIE Lab 1976->RGB support */ |
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int range; /* Size of conversion table */ |
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#define CIELABTORGB_TABLE_RANGE 1500 |
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float rstep, gstep, bstep; |
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float X0, Y0, Z0; /* Reference white point */ |
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TIFFDisplay display; |
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float Yr2r[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yr to r */ |
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float Yg2g[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yg to g */ |
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float Yb2b[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yb to b */ |
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} TIFFCIELabToRGB; |
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|
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/* |
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* RGBA-style image support. |
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*/ |
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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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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 req_orientation; /* requested 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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TIFFCIELabToRGB* cielab; /* CIE L*a*b conversion state */ |
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|
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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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/* |
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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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/* |
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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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|
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#include <stdio.h> |
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#include <stdarg.h> |
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|
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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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|
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#if defined(c_plusplus) || 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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|
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extern const char* TIFFGetVersion(void); |
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|
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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 int TIFFIsCODECConfigured(uint16); |
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extern TIFFCodec* TIFFGetConfiguredCODECs(); |
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|
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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); |
| 280 |
extern void _TIFFfree(tdata_t); |
| 281 |
|
| 282 |
extern void TIFFCleanup(TIFF*); |
| 283 |
extern void TIFFClose(TIFF*); |
| 284 |
extern int TIFFFlush(TIFF*); |
| 285 |
extern int TIFFFlushData(TIFF*); |
| 286 |
extern int TIFFGetField(TIFF*, ttag_t, ...); |
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extern int TIFFVGetField(TIFF*, ttag_t, va_list); |
| 288 |
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*); |
| 292 |
extern tsize_t TIFFRasterScanlineSize(TIFF*); |
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extern tsize_t TIFFStripSize(TIFF*); |
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extern tsize_t TIFFRawStripSize(TIFF*, tstrip_t); |
| 295 |
extern tsize_t TIFFVStripSize(TIFF*, uint32); |
| 296 |
extern tsize_t TIFFTileRowSize(TIFF*); |
| 297 |
extern tsize_t TIFFTileSize(TIFF*); |
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extern tsize_t TIFFVTileSize(TIFF*, uint32); |
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extern uint32 TIFFDefaultStripSize(TIFF*, uint32); |
| 300 |
extern void TIFFDefaultTileSize(TIFF*, uint32*, uint32*); |
| 301 |
extern int TIFFFileno(TIFF*); |
| 302 |
extern int TIFFSetFileno(TIFF*, int); |
| 303 |
extern thandle_t TIFFClientdata(TIFF*); |
| 304 |
extern thandle_t TIFFSetClientdata(TIFF*, thandle_t); |
| 305 |
extern int TIFFGetMode(TIFF*); |
| 306 |
extern int TIFFSetMode(TIFF*, int); |
| 307 |
extern int TIFFIsTiled(TIFF*); |
| 308 |
extern int TIFFIsByteSwapped(TIFF*); |
| 309 |
extern int TIFFIsUpSampled(TIFF*); |
| 310 |
extern int TIFFIsMSB2LSB(TIFF*); |
| 311 |
extern int TIFFIsBigEndian(TIFF*); |
| 312 |
extern TIFFReadWriteProc TIFFGetReadProc(TIFF*); |
| 313 |
extern TIFFReadWriteProc TIFFGetWriteProc(TIFF*); |
| 314 |
extern TIFFSeekProc TIFFGetSeekProc(TIFF*); |
| 315 |
extern TIFFCloseProc TIFFGetCloseProc(TIFF*); |
| 316 |
extern TIFFSizeProc TIFFGetSizeProc(TIFF*); |
| 317 |
extern TIFFMapFileProc TIFFGetMapFileProc(TIFF*); |
| 318 |
extern TIFFUnmapFileProc TIFFGetUnmapFileProc(TIFF*); |
| 319 |
extern uint32 TIFFCurrentRow(TIFF*); |
| 320 |
extern tdir_t TIFFCurrentDirectory(TIFF*); |
| 321 |
extern tdir_t TIFFNumberOfDirectories(TIFF*); |
| 322 |
extern uint32 TIFFCurrentDirOffset(TIFF*); |
| 323 |
extern tstrip_t TIFFCurrentStrip(TIFF*); |
| 324 |
extern ttile_t TIFFCurrentTile(TIFF*); |
| 325 |
extern int TIFFReadBufferSetup(TIFF*, tdata_t, tsize_t); |
| 326 |
extern int TIFFWriteBufferSetup(TIFF*, tdata_t, tsize_t); |
| 327 |
extern int TIFFSetupStrips(TIFF *); |
| 328 |
extern int TIFFWriteCheck(TIFF*, int, const char *); |
| 329 |
extern int TIFFCreateDirectory(TIFF*); |
| 330 |
extern int TIFFLastDirectory(TIFF*); |
| 331 |
extern int TIFFSetDirectory(TIFF*, tdir_t); |
| 332 |
extern int TIFFSetSubDirectory(TIFF*, uint32); |
| 333 |
extern int TIFFUnlinkDirectory(TIFF*, tdir_t); |
| 334 |
extern int TIFFSetField(TIFF*, ttag_t, ...); |
| 335 |
extern int TIFFVSetField(TIFF*, ttag_t, va_list); |
| 336 |
extern int TIFFWriteDirectory(TIFF *); |
| 337 |
extern int TIFFCheckpointDirectory(TIFF *); |
| 338 |
extern int TIFFRewriteDirectory(TIFF *); |
| 339 |
extern int TIFFReassignTagToIgnore(enum TIFFIgnoreSense, int); |
| 340 |
|
| 341 |
#if defined(c_plusplus) || defined(__cplusplus) |
| 342 |
extern void TIFFPrintDirectory(TIFF*, FILE*, long = 0); |
| 343 |
extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t = 0); |
| 344 |
extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t = 0); |
| 345 |
extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int = 0); |
| 346 |
extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, |
| 347 |
int = ORIENTATION_BOTLEFT, int = 0); |
| 348 |
#else |
| 349 |
extern void TIFFPrintDirectory(TIFF*, FILE*, long); |
| 350 |
extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t); |
| 351 |
extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t); |
| 352 |
extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int); |
| 353 |
extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, int, int); |
| 354 |
#endif |
| 355 |
|
| 356 |
extern int TIFFReadRGBAStrip(TIFF*, tstrip_t, uint32 * ); |
| 357 |
extern int TIFFReadRGBATile(TIFF*, uint32, uint32, uint32 * ); |
| 358 |
extern int TIFFRGBAImageOK(TIFF*, char [1024]); |
| 359 |
extern int TIFFRGBAImageBegin(TIFFRGBAImage*, TIFF*, int, char [1024]); |
| 360 |
extern int TIFFRGBAImageGet(TIFFRGBAImage*, uint32*, uint32, uint32); |
| 361 |
extern void TIFFRGBAImageEnd(TIFFRGBAImage*); |
| 362 |
extern TIFF* TIFFOpen(const char*, const char*); |
| 363 |
# ifdef __WIN32__ |
| 364 |
extern TIFF* TIFFOpenW(const wchar_t*, const char*); |
| 365 |
# endif /* __WIN32__ */ |
| 366 |
extern TIFF* TIFFFdOpen(int, const char*, const char*); |
| 367 |
extern TIFF* TIFFClientOpen(const char*, const char*, |
| 368 |
thandle_t, |
| 369 |
TIFFReadWriteProc, TIFFReadWriteProc, |
| 370 |
TIFFSeekProc, TIFFCloseProc, |
| 371 |
TIFFSizeProc, |
| 372 |
TIFFMapFileProc, TIFFUnmapFileProc); |
| 373 |
extern const char* TIFFFileName(TIFF*); |
| 374 |
extern const char* TIFFSetFileName(TIFF*, const char *); |
| 375 |
extern void TIFFError(const char*, const char*, ...); |
| 376 |
extern void TIFFWarning(const char*, const char*, ...); |
| 377 |
extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler); |
| 378 |
extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler); |
| 379 |
extern TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc); |
| 380 |
extern ttile_t TIFFComputeTile(TIFF*, uint32, uint32, uint32, tsample_t); |
| 381 |
extern int TIFFCheckTile(TIFF*, uint32, uint32, uint32, tsample_t); |
| 382 |
extern ttile_t TIFFNumberOfTiles(TIFF*); |
| 383 |
extern tsize_t TIFFReadTile(TIFF*, |
| 384 |
tdata_t, uint32, uint32, uint32, tsample_t); |
| 385 |
extern tsize_t TIFFWriteTile(TIFF*, |
| 386 |
tdata_t, uint32, uint32, uint32, tsample_t); |
| 387 |
extern tstrip_t TIFFComputeStrip(TIFF*, uint32, tsample_t); |
| 388 |
extern tstrip_t TIFFNumberOfStrips(TIFF*); |
| 389 |
extern tsize_t TIFFReadEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t); |
| 390 |
extern tsize_t TIFFReadRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t); |
| 391 |
extern tsize_t TIFFReadEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t); |
| 392 |
extern tsize_t TIFFReadRawTile(TIFF*, ttile_t, tdata_t, tsize_t); |
| 393 |
extern tsize_t TIFFWriteEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t); |
| 394 |
extern tsize_t TIFFWriteRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t); |
| 395 |
extern tsize_t TIFFWriteEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t); |
| 396 |
extern tsize_t TIFFWriteRawTile(TIFF*, ttile_t, tdata_t, tsize_t); |
| 397 |
extern int TIFFDataWidth(TIFFDataType); /* table of tag datatype widths */ |
| 398 |
extern void TIFFSetWriteOffset(TIFF*, toff_t); |
| 399 |
extern void TIFFSwabShort(uint16*); |
| 400 |
extern void TIFFSwabLong(uint32*); |
| 401 |
extern void TIFFSwabDouble(double*); |
| 402 |
extern void TIFFSwabArrayOfShort(uint16*, unsigned long); |
| 403 |
extern void TIFFSwabArrayOfTriples(uint8*, unsigned long); |
| 404 |
extern void TIFFSwabArrayOfLong(uint32*, unsigned long); |
| 405 |
extern void TIFFSwabArrayOfDouble(double*, unsigned long); |
| 406 |
extern void TIFFReverseBits(unsigned char *, unsigned long); |
| 407 |
extern const unsigned char* TIFFGetBitRevTable(int); |
| 408 |
|
| 409 |
#ifdef LOGLUV_PUBLIC |
| 410 |
#define U_NEU 0.210526316 |
| 411 |
#define V_NEU 0.473684211 |
| 412 |
#define UVSCALE 410. |
| 413 |
extern double LogL16toY(int); |
| 414 |
extern double LogL10toY(int); |
| 415 |
extern void XYZtoRGB24(float*, uint8*); |
| 416 |
extern int uv_decode(double*, double*, int); |
| 417 |
extern void LogLuv24toXYZ(uint32, float*); |
| 418 |
extern void LogLuv32toXYZ(uint32, float*); |
| 419 |
#if defined(c_plusplus) || defined(__cplusplus) |
| 420 |
extern int LogL16fromY(double, int = SGILOGENCODE_NODITHER); |
| 421 |
extern int LogL10fromY(double, int = SGILOGENCODE_NODITHER); |
| 422 |
extern int uv_encode(double, double, int = SGILOGENCODE_NODITHER); |
| 423 |
extern uint32 LogLuv24fromXYZ(float*, int = SGILOGENCODE_NODITHER); |
| 424 |
extern uint32 LogLuv32fromXYZ(float*, int = SGILOGENCODE_NODITHER); |
| 425 |
#else |
| 426 |
extern int LogL16fromY(double, int); |
| 427 |
extern int LogL10fromY(double, int); |
| 428 |
extern int uv_encode(double, double, int); |
| 429 |
extern uint32 LogLuv24fromXYZ(float*, int); |
| 430 |
extern uint32 LogLuv32fromXYZ(float*, int); |
| 431 |
#endif |
| 432 |
#endif /* LOGLUV_PUBLIC */ |
| 433 |
|
| 434 |
/* |
| 435 |
** Stuff, related to tag handling and creating custom tags. |
| 436 |
*/ |
| 437 |
extern int TIFFGetTagListCount( TIFF * ); |
| 438 |
extern ttag_t TIFFGetTagListEntry( TIFF *, int tag_index ); |
| 439 |
|
| 440 |
#define TIFF_ANY TIFF_NOTYPE /* for field descriptor searching */ |
| 441 |
#define TIFF_VARIABLE -1 /* marker for variable length tags */ |
| 442 |
#define TIFF_SPP -2 /* marker for SamplesPerPixel tags */ |
| 443 |
#define TIFF_VARIABLE2 -3 /* marker for uint32 var-length tags */ |
| 444 |
|
| 445 |
#define FIELD_CUSTOM 65 |
| 446 |
|
| 447 |
typedef struct { |
| 448 |
ttag_t field_tag; /* field's tag */ |
| 449 |
short field_readcount; /* read count/TIFF_VARIABLE/TIFF_SPP */ |
| 450 |
short field_writecount; /* write count/TIFF_VARIABLE */ |
| 451 |
TIFFDataType field_type; /* type of associated data */ |
| 452 |
unsigned short field_bit; /* bit in fieldsset bit vector */ |
| 453 |
unsigned char field_oktochange; /* if true, can change while writing */ |
| 454 |
unsigned char field_passcount; /* if true, pass dir count on set */ |
| 455 |
char *field_name; /* ASCII name */ |
| 456 |
} TIFFFieldInfo; |
| 457 |
|
| 458 |
typedef struct _TIFFTagValue { |
| 459 |
const TIFFFieldInfo *info; |
| 460 |
int count; |
| 461 |
void *value; |
| 462 |
} TIFFTagValue; |
| 463 |
|
| 464 |
extern void TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], int); |
| 465 |
extern const TIFFFieldInfo* TIFFFindFieldInfo(TIFF*, ttag_t, TIFFDataType); |
| 466 |
extern const TIFFFieldInfo* TIFFFindFieldInfoByName(TIFF* , const char *, |
| 467 |
TIFFDataType); |
| 468 |
extern const TIFFFieldInfo* TIFFFieldWithTag(TIFF*, ttag_t); |
| 469 |
extern const TIFFFieldInfo* TIFFFieldWithName(TIFF*, const char *); |
| 470 |
|
| 471 |
typedef int (*TIFFVSetMethod)(TIFF*, ttag_t, va_list); |
| 472 |
typedef int (*TIFFVGetMethod)(TIFF*, ttag_t, va_list); |
| 473 |
typedef void (*TIFFPrintMethod)(TIFF*, FILE*, long); |
| 474 |
|
| 475 |
typedef struct { |
| 476 |
TIFFVSetMethod vsetfield; /* tag set routine */ |
| 477 |
TIFFVGetMethod vgetfield; /* tag get routine */ |
| 478 |
TIFFPrintMethod printdir; /* directory print routine */ |
| 479 |
} TIFFTagMethods; |
| 480 |
|
| 481 |
extern TIFFTagMethods *TIFFAccessTagMethods( TIFF * ); |
| 482 |
extern void *TIFFGetClientInfo( TIFF *, const char * ); |
| 483 |
extern void TIFFSetClientInfo( TIFF *, void *, const char * ); |
| 484 |
|
| 485 |
extern int TIFFCIELabToRGBInit(TIFFCIELabToRGB*, TIFFDisplay *, float*); |
| 486 |
extern void TIFFCIELabToXYZ(TIFFCIELabToRGB *, uint32, int32, int32, |
| 487 |
float *, float *, float *); |
| 488 |
extern void TIFFXYZToRGB(TIFFCIELabToRGB *, float, float, float, |
| 489 |
uint32 *, uint32 *, uint32 *); |
| 490 |
|
| 491 |
extern int TIFFYCbCrToRGBInit(TIFFYCbCrToRGB*, float*, float*); |
| 492 |
extern void TIFFYCbCrtoRGB(TIFFYCbCrToRGB *, uint32, int32, int32, |
| 493 |
uint32 *, uint32 *, uint32 *); |
| 494 |
|
| 495 |
#if defined(c_plusplus) || defined(__cplusplus) |
| 496 |
} |
| 497 |
#endif |
| 498 |
|
| 499 |
#endif /* _TIFFIO_ */ |
| 500 |
|
| 501 |
/* vim: set ts=8 sts=8 sw=8 noet: */ |
