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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 Lesser 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; see the file COPYING.LIB.
If not, see <http://www.gnu.org/licenses/> or write to the
Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, 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/writing of tiff files.
*/
#ifndef _GNUstep_H_tiff
#define _GNUstep_H_tiff
#include <tiffio.h>
#include <sys/types.h>
/* Structure to store common information about a tiff. */
typedef struct {
uint16 numImages; /* number of images in tiff */
uint16 imageNumber; /* number of current image */
uint32 subfileType;
uint32 width;
uint32 height;
uint16 bitsPerSample; /* number of bits per data channel */
uint16 samplesPerPixel; /* number of channels per pixel */
uint16 planarConfig; /* meshed or separate */
uint16 photoInterp; /* photometric interpretation of bitmap data, */
uint16 compression;
uint16 extraSamples; /* Alpha */
int assocAlpha;
int quality; /* compression quality (for jpeg) 1 to 255 */
int error;
float xdpi;
float ydpi;
} NSTiffInfo;
typedef struct {
uint32 size;
uint16 *red;
uint16 *green;
uint16 *blue;
} NSTiffColormap;
typedef char* realloc_data_callback(char* data, long size);
extern TIFF* NSTiffOpenDataRead(const char* data, long size);
extern TIFF* NSTiffOpenDataWrite(char **data, long *size);
extern int NSTiffClose(TIFF* image);
extern int NSTiffGetImageCount(TIFF* image);
extern int NSTiffWrite(TIFF *image, NSTiffInfo *info, unsigned char *data);
extern int NSTiffRead(TIFF *image, NSTiffInfo *info, unsigned char *data);
extern NSTiffInfo* NSTiffGetInfo(int imageNumber, TIFF* image);
extern NSTiffColormap* NSTiffGetColormap(TIFF* image);
extern int NSTiffIsCodecConfigured(unsigned int codec);
#endif // _GNUstep_H_tiff
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