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GNUstep Maintainer 1996-08-22 22:17:07 +00:00
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Headers/gnustep/gui/nsimage-tiff.h Normal file
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/*
nsimage-tiff.h
Functions for dealing with tiff images
Copyright (C) 1996 Free Software Foundation, Inc.
Written by: Adam Fedor <fedor@colorado.edu>
Date: Feb 1996
This file is part of the GNUstep GUI Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
If you are interested in a warranty or support for this source code,
contact Scott Christley <scottc@net-community.com> for more information.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
Warning: This header file should not be used for reading and
writing tiff files. You should use the NSImage and NSBitmapImageRep
classes for general reading/writting of tiff files.
*/
#ifndef _GNUstep_H_tiff
#define _GNUstep_H_tiff
#ifdef HAVE_LIBTIFF
#include <tiffio.h>
#else
#define TIFF void
#endif
#include <sys/types.h>
/* Structure to store common information about a tiff. */
typedef struct {
u_long imageNumber;
u_long subfileType;
u_long width;
u_long height;
u_short bitsPerSample; /* number of bits per data channel */
u_short samplesPerPixel; /* number of channels per pixel */
u_short planarConfig; /* meshed or separate */
u_short photoInterp; /* photometric interpretation of bitmap data, */
u_short compression;
int numImages; /* number of images in tiff */
int error;
} NSTiffInfo;
typedef struct {
u_int size;
u_short *red;
u_short *green;
u_short *blue;
} NSTiffColormap;
typedef char* realloc_data_callback(char* data, long size);
extern TIFF* NSTiffOpenData(char* data, long size, const char* mode,
realloc_data_callback* realloc_data);
extern int NSTiffClose(TIFF* image);
extern int NSTiffWrite(TIFF* image, NSTiffInfo* info, char* data);
extern int NSTiffRead(int imageNumber, TIFF* image, NSTiffInfo* info,
char* data);
extern NSTiffInfo* NSTiffGetInfo(int imageNumber, TIFF* image);
extern NSTiffColormap* NSTiffGetColormap(TIFF* image);
#endif // _GNUstep_H_tiff