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104 lines
2.9 KiB
104 lines
2.9 KiB
/*
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* $Id: pi-palmpix.h,v 1.5 2006/10/17 13:24:07 desrod Exp $
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*
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* pi-palmpix.h: Kodak PalmPix Camera support
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* (Kodak didn't like that we did this, tee hee!)
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Library General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library
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* General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef PILOT_PALMPIX_H
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#define PILOT_PALMPIX_H
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#include "pi-args.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#define PalmPix_Creator (makelong ("COCO"))
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#define PalmPix_DB "ArchImage"
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/* flags values */
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#define PALMPIX_COLOUR_CORRECTION 1
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#define PALMPIX_HISTOGRAM_STRETCH 2
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struct PalmPixState {
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/* This callback should read record #RECNO into BUFFER and BUFSIZE, and
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return 0 when successful, just like pi_file_read_record(). */
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int (*getrecord) PI_ARGS ((struct PalmPixState *self, int recno,
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void **buffer, size_t *bufsize));
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/* This will be filled in by pixName. */
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char pixname[33];
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/* After unpack_PalmPix, this will be the last record index which is part
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of the current picture. */
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int highest_recno;
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/* Set these to some permutation of 0,1,2 before using pixPixmap. */
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int offset_r, offset_g, offset_b;
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/* This specifies the png or ppm output */
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int output_type;
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/* This will be filled in by pixPixmap. */
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unsigned char *pixmap;
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/* The output brightness adjustment */
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int bias;
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/* This controls colour correction and histogram stretch */
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int flags;
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};
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enum {
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pixChannelGR, pixChannelR, pixChannelB, pixChannelGB
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};
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struct PalmPixHeader {
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int w, h, resolution, zoom, num;
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int year, month, day, hour, min, sec;
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int numRec, thumbLen;
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int chansize[4];
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};
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enum {
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pixName = 0x01, pixThumbnail = 0x02, pixPixmap = 0x04
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};
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/* picture output types */
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#define PALMPIX_OUT_PPM 1
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#define PALMPIX_OUT_PNG 2
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/* Returns the number of bytes from the buffer that were consumed, or 0 on
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error (generally the record not in fact being a PalmPixHeader). */
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extern int unpack_PalmPixHeader
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PI_ARGS ((struct PalmPixHeader *h, const unsigned char *p, int len));
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extern int unpack_PalmPix
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PI_ARGS ((struct PalmPixState *state,
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const struct PalmPixHeader *h, int recno, int wanted));
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extern int free_PalmPix_data
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PI_ARGS ((struct PalmPixState *state));
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#ifdef __cplusplus
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}
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#endif
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#endif
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