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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@39816 72102866-910b-0410-8b05-ffd578937521
85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/*
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nsimage-tiff.h
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Functions for dealing with tiff images
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Copyright (C) 1996 Free Software Foundation, Inc.
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Written by: Adam Fedor <fedor@colorado.edu>
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Date: Feb 1996
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This file is part of the GNUstep GUI Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; see the file COPYING.LIB.
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If not, see <http://www.gnu.org/licenses/> or write to the
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Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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/*
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Warning: This header file should not be used for reading and
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writing tiff files. You should use the NSImage and NSBitmapImageRep
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classes for general reading/writing of tiff files.
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*/
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#ifndef _GNUstep_H_tiff
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#define _GNUstep_H_tiff
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#include <tiffio.h>
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#include <sys/types.h>
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/* Structure to store common information about a tiff. */
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typedef struct {
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uint16 numImages; /* number of images in tiff */
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uint16 imageNumber; /* number of current image */
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uint32 subfileType;
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uint32 width;
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uint32 height;
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uint16 bitsPerSample; /* number of bits per data channel */
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uint16 samplesPerPixel; /* number of channels per pixel */
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uint16 planarConfig; /* meshed or separate */
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uint16 photoInterp; /* photometric interpretation of bitmap data, */
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uint16 compression;
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uint16 extraSamples; /* Alpha */
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int assocAlpha;
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int quality; /* compression quality (for jpeg) 1 to 255 */
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int error;
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float xdpi;
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float ydpi;
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} NSTiffInfo;
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typedef struct {
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uint32 size;
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uint16 *red;
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uint16 *green;
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uint16 *blue;
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} NSTiffColormap;
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typedef char* realloc_data_callback(char* data, long size);
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extern TIFF* NSTiffOpenDataRead(const char* data, long size);
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extern TIFF* NSTiffOpenDataWrite(char **data, long *size);
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extern int NSTiffClose(TIFF* image);
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extern int NSTiffGetImageCount(TIFF* image);
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extern int NSTiffWrite(TIFF *image, NSTiffInfo *info, unsigned char *data);
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extern int NSTiffRead(TIFF *image, NSTiffInfo *info, unsigned char *data);
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extern NSTiffInfo* NSTiffGetInfo(int imageNumber, TIFF* image);
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extern NSTiffColormap* NSTiffGetColormap(TIFF* image);
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extern int NSTiffIsCodecConfigured(unsigned int codec);
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#endif // _GNUstep_H_tiff
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