/*
    This file is part of PSPFormat, a File Format plugin for Adobe Photoshop
    Copyright (C) 2003-7 Toby Thain, toby@telegraphics.com.au

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

/* PSP File Format Specification is Copyright (C) 2000 Jasc Software, Inc.
   See http://www.jasc.com/specs/psp.asp */

#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>

#include "world.h" // must come before Photoshop includes

#include "PIAbout.h"
#include "PIFormat.h"

#include "file_io.h"
#include "psp.h"

#define PINEWHANDLE gpb->handleProcs->newProc
#define PIDISPOSEHANDLE gpb->handleProcs->disposeProc
#define PIGETHANDLESIZE gpb->handleProcs->getSizeProc
#define PISETHANDLESIZE gpb->handleProcs->setSizeProc
#define PILOCKHANDLE gpb->handleProcs->lockProc
#define PIUNLOCKHANDLE gpb->handleProcs->unlockProc
#define PIGETPROPERTY gpb->propertyProcs->getPropertyProc

#define PS_BUFFER_ALLOC  (pb->bufferProcs->allocateProc)
#define PS_BUFFER_LOCK   (pb->bufferProcs->lockProc)
#define PS_BUFFER_UNLOCK (pb->bufferProcs->unlockProc)
#define PS_BUFFER_FREE   (pb->bufferProcs->freeProc)

//#include "my_malloc.h"

/* general-purpose constants */
enum{
	MAX_CHANNELS = 64
};

struct revertinfo{
	/* fetched at Open and kept with the document (revertInfo handle) */
	int savevers, savecomp;
};

typedef struct{
	/* persistent variables - currently used to share data between Options and Write sequences */
	int psprb;
	long channelsize;
} globals;

#define G ((globals*)*data)

extern FormatRecordPtr gpb;

OSErr read_start(FormatRecordPtr pb, intptr_t *data);
OSErr read_continue(FormatRecordPtr pb, intptr_t *data);
OSErr read_finish(FormatRecordPtr pb, intptr_t *data);
OSErr options_start(FormatRecordPtr pb, intptr_t *data);
OSErr estimate_start(FormatRecordPtr pb, intptr_t *data);
OSErr estimate_continue(FormatRecordPtr pb, intptr_t *data);
OSErr estimate_finish(FormatRecordPtr pb, intptr_t *data);
OSErr write_start(FormatRecordPtr pb, intptr_t *data);
OSErr write_continue(FormatRecordPtr pb, intptr_t *data);
OSErr write_finish(FormatRecordPtr pb, intptr_t *data);
OSErr headerok(FILEREF r, PSP_file_header *ph);

void putrevertinfo(FormatRecordPtr pb, struct revertinfo *p);
int getrevertinfo(FormatRecordPtr pb, struct revertinfo *p);