Update to 2.0.0 tree from current Fremantle build
[opencv] / otherlibs / _graphics / src / libjasper / jpc_t2cod.c
diff --git a/otherlibs/_graphics/src/libjasper/jpc_t2cod.c b/otherlibs/_graphics/src/libjasper/jpc_t2cod.c
deleted file mode 100644 (file)
index b9d10f4..0000000
+++ /dev/null
@@ -1,684 +0,0 @@
-/*
- * Copyright (c) 1999-2000 Image Power, Inc. and the University of
- *   British Columbia.
- * Copyright (c) 2001-2003 Michael David Adams.
- * All rights reserved.
- */
-
-/* __START_OF_JASPER_LICENSE__
- * 
- * JasPer License Version 2.0
- * 
- * Copyright (c) 2001-2006 Michael David Adams
- * Copyright (c) 1999-2000 Image Power, Inc.
- * Copyright (c) 1999-2000 The University of British Columbia
- * 
- * All rights reserved.
- * 
- * Permission is hereby granted, free of charge, to any person (the
- * "User") obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, and/or sell copies of the Software, and to permit
- * persons to whom the Software is furnished to do so, subject to the
- * following conditions:
- * 
- * 1.  The above copyright notices and this permission notice (which
- * includes the disclaimer below) shall be included in all copies or
- * substantial portions of the Software.
- * 
- * 2.  The name of a copyright holder shall not be used to endorse or
- * promote products derived from the Software without specific prior
- * written permission.
- * 
- * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
- * LICENSE.  NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
- * THIS DISCLAIMER.  THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
- * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
- * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.  IN NO
- * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
- * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
- * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
- * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.  NO ASSURANCES ARE
- * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
- * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
- * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
- * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
- * PROPERTY RIGHTS OR OTHERWISE.  AS A CONDITION TO EXERCISING THE RIGHTS
- * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
- * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY.  THE SOFTWARE
- * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
- * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
- * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
- * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
- * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
- * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
- * RISK ACTIVITIES").  THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
- * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
- * 
- * __END_OF_JASPER_LICENSE__
- */
-
-/*
- * Tier-2 Coding Library
- *
- * $Id: jpc_t2cod.c,v 1.2 2008/05/26 09:40:52 vp153 Exp $
- */
-
-#include "jasper/jas_math.h"
-#include "jasper/jas_malloc.h"
-#include "jasper/jas_math.h"
-
-#include "jpc_cs.h"
-#include "jpc_t2cod.h"
-#include "jpc_math.h"
-
-static int jpc_pi_nextlrcp(jpc_pi_t *pi);
-static int jpc_pi_nextrlcp(jpc_pi_t *pi);
-static int jpc_pi_nextrpcl(jpc_pi_t *pi);
-static int jpc_pi_nextpcrl(jpc_pi_t *pi);
-static int jpc_pi_nextcprl(jpc_pi_t *pi);
-
-int jpc_pi_next(jpc_pi_t *pi)
-{
-       jpc_pchg_t *pchg;
-       int ret;
-
-
-       for (;;) {
-
-               pi->valid = false;
-
-               if (!pi->pchg) {
-                       ++pi->pchgno;
-                       pi->compno = 0;
-                       pi->rlvlno = 0;
-                       pi->prcno = 0;
-                       pi->lyrno = 0;
-                       pi->prgvolfirst = true;
-                       if (pi->pchgno < jpc_pchglist_numpchgs(pi->pchglist)) {
-                               pi->pchg = jpc_pchglist_get(pi->pchglist, pi->pchgno);
-                       } else if (pi->pchgno == jpc_pchglist_numpchgs(pi->pchglist)) {
-                               pi->pchg = &pi->defaultpchg;
-                       } else {
-                               return 1;
-                       }
-               }
-
-               pchg = pi->pchg;
-               switch (pchg->prgord) {
-               case JPC_COD_LRCPPRG:
-                       ret = jpc_pi_nextlrcp(pi);
-                       break;
-               case JPC_COD_RLCPPRG:
-                       ret = jpc_pi_nextrlcp(pi);
-                       break;
-               case JPC_COD_RPCLPRG:
-                       ret = jpc_pi_nextrpcl(pi);
-                       break;
-               case JPC_COD_PCRLPRG:
-                       ret = jpc_pi_nextpcrl(pi);
-                       break;
-               case JPC_COD_CPRLPRG:
-                       ret = jpc_pi_nextcprl(pi);
-                       break;
-               default:
-                       ret = -1;
-                       break;
-               }
-               if (!ret) {
-                       pi->valid = true;
-                       ++pi->pktno;
-                       return 0;
-               }
-               pi->pchg = 0;
-       }
-}
-
-static int jpc_pi_nextlrcp(register jpc_pi_t *pi)
-{
-       jpc_pchg_t *pchg;
-       int *prclyrno;
-
-       pchg = pi->pchg;
-       if (!pi->prgvolfirst) {
-               prclyrno = &pi->pirlvl->prclyrnos[pi->prcno];
-               goto skip;
-       } else {
-               pi->prgvolfirst = false;
-       }
-
-       for (pi->lyrno = 0; pi->lyrno < pi->numlyrs && pi->lyrno <
-         JAS_CAST(int, pchg->lyrnoend); ++pi->lyrno) {
-               for (pi->rlvlno = pchg->rlvlnostart; pi->rlvlno < pi->maxrlvls &&
-                 pi->rlvlno < pchg->rlvlnoend; ++pi->rlvlno) {
-                       for (pi->compno = pchg->compnostart, pi->picomp =
-                         &pi->picomps[pi->compno]; pi->compno < pi->numcomps
-                         && pi->compno < JAS_CAST(int, pchg->compnoend); ++pi->compno,
-                         ++pi->picomp) {
-                               if (pi->rlvlno >= pi->picomp->numrlvls) {
-                                       continue;
-                               }
-                               pi->pirlvl = &pi->picomp->pirlvls[pi->rlvlno];
-                               for (pi->prcno = 0, prclyrno =
-                                 pi->pirlvl->prclyrnos; pi->prcno <
-                                 pi->pirlvl->numprcs; ++pi->prcno,
-                                 ++prclyrno) {
-                                       if (pi->lyrno >= *prclyrno) {
-                                               *prclyrno = pi->lyrno;
-                                               ++(*prclyrno);
-                                               return 0;
-                                       }
-skip:
-                                       ;
-                               }
-                       }
-               }
-       }
-       return 1;
-}
-
-static int jpc_pi_nextrlcp(register jpc_pi_t *pi)
-{
-       jpc_pchg_t *pchg;
-       int *prclyrno;
-
-       pchg = pi->pchg;
-       if (!pi->prgvolfirst) {
-               assert(pi->prcno < pi->pirlvl->numprcs);
-               prclyrno = &pi->pirlvl->prclyrnos[pi->prcno];
-               goto skip;
-       } else {
-               pi->prgvolfirst = 0;
-       }
-
-       for (pi->rlvlno = pchg->rlvlnostart; pi->rlvlno < pi->maxrlvls &&
-         pi->rlvlno < pchg->rlvlnoend; ++pi->rlvlno) {
-               for (pi->lyrno = 0; pi->lyrno < pi->numlyrs && pi->lyrno <
-                 JAS_CAST(int, pchg->lyrnoend); ++pi->lyrno) {
-                       for (pi->compno = pchg->compnostart, pi->picomp =
-                         &pi->picomps[pi->compno]; pi->compno < pi->numcomps &&
-                         pi->compno < JAS_CAST(int, pchg->compnoend); ++pi->compno, ++pi->picomp) {
-                               if (pi->rlvlno >= pi->picomp->numrlvls) {
-                                       continue;
-                               }
-                               pi->pirlvl = &pi->picomp->pirlvls[pi->rlvlno];
-                               for (pi->prcno = 0, prclyrno = pi->pirlvl->prclyrnos;
-                                 pi->prcno < pi->pirlvl->numprcs; ++pi->prcno, ++prclyrno) {
-                                       if (pi->lyrno >= *prclyrno) {
-                                               *prclyrno = pi->lyrno;
-                                               ++(*prclyrno);
-                                               return 0;
-                                       }
-skip:
-                                       ;
-                               }
-                       }
-               }
-       }
-       return 1;
-}
-
-static int jpc_pi_nextrpcl(register jpc_pi_t *pi)
-{
-       int rlvlno;
-       jpc_pirlvl_t *pirlvl;
-       jpc_pchg_t *pchg;
-       int prchind;
-       int prcvind;
-       int *prclyrno;
-       int compno;
-       jpc_picomp_t *picomp;
-       int xstep;
-       int ystep;
-       uint_fast32_t r;
-       uint_fast32_t rpx;
-       uint_fast32_t rpy;
-       uint_fast32_t trx0;
-       uint_fast32_t try0;
-
-       pchg = pi->pchg;
-       if (!pi->prgvolfirst) {
-               goto skip;
-       } else {
-               pi->xstep = 0;
-               pi->ystep = 0;
-               for (compno = 0, picomp = pi->picomps; compno < pi->numcomps;
-                 ++compno, ++picomp) {
-                       for (rlvlno = 0, pirlvl = picomp->pirlvls; rlvlno <
-                         picomp->numrlvls; ++rlvlno, ++pirlvl) {
-                               xstep = picomp->hsamp * (1 << (pirlvl->prcwidthexpn +
-                                 picomp->numrlvls - rlvlno - 1));
-                               ystep = picomp->vsamp * (1 << (pirlvl->prcheightexpn +
-                                 picomp->numrlvls - rlvlno - 1));
-                               pi->xstep = (!pi->xstep) ? xstep : JAS_MIN(pi->xstep, xstep);
-                               pi->ystep = (!pi->ystep) ? ystep : JAS_MIN(pi->ystep, ystep);
-                       }
-               }
-               pi->prgvolfirst = 0;
-       }
-
-       for (pi->rlvlno = pchg->rlvlnostart; pi->rlvlno < pchg->rlvlnoend &&
-         pi->rlvlno < pi->maxrlvls; ++pi->rlvlno) {
-               for (pi->y = pi->ystart; pi->y < pi->yend; pi->y +=
-                 pi->ystep - (pi->y % pi->ystep)) {
-                       for (pi->x = pi->xstart; pi->x < pi->xend; pi->x +=
-                         pi->xstep - (pi->x % pi->xstep)) {
-                               for (pi->compno = pchg->compnostart,
-                                 pi->picomp = &pi->picomps[pi->compno];
-                                 pi->compno < JAS_CAST(int, pchg->compnoend) && pi->compno <
-                                 pi->numcomps; ++pi->compno, ++pi->picomp) {
-                                       if (pi->rlvlno >= pi->picomp->numrlvls) {
-                                               continue;
-                                       }
-                                       pi->pirlvl = &pi->picomp->pirlvls[pi->rlvlno];
-                                       if (pi->pirlvl->numprcs == 0) {
-                                               continue;
-                                       }
-                                       r = pi->picomp->numrlvls - 1 - pi->rlvlno;
-                                       rpx = r + pi->pirlvl->prcwidthexpn;
-                                       rpy = r + pi->pirlvl->prcheightexpn;
-                                       trx0 = JPC_CEILDIV(pi->xstart, pi->picomp->hsamp << r);
-                                       try0 = JPC_CEILDIV(pi->ystart, pi->picomp->vsamp << r);
-                                       if (((pi->x == pi->xstart && ((trx0 << r) % (1 << rpx)))
-                                         || !(pi->x % (1 << rpx))) &&
-                                         ((pi->y == pi->ystart && ((try0 << r) % (1 << rpy)))
-                                         || !(pi->y % (1 << rpy)))) {
-                                               prchind = JPC_FLOORDIVPOW2(JPC_CEILDIV(pi->x, pi->picomp->hsamp
-                                                 << r), pi->pirlvl->prcwidthexpn) - JPC_FLOORDIVPOW2(trx0,
-                                                 pi->pirlvl->prcwidthexpn);
-                                               prcvind = JPC_FLOORDIVPOW2(JPC_CEILDIV(pi->y, pi->picomp->vsamp
-                                                 << r), pi->pirlvl->prcheightexpn) - JPC_FLOORDIVPOW2(try0,
-                                                 pi->pirlvl->prcheightexpn);
-                                               pi->prcno = prcvind * pi->pirlvl->numhprcs + prchind;
-
-                                               assert(pi->prcno < pi->pirlvl->numprcs);
-                                               for (pi->lyrno = 0; pi->lyrno <
-                                                 pi->numlyrs && pi->lyrno < JAS_CAST(int, pchg->lyrnoend); ++pi->lyrno) {
-                                                       prclyrno = &pi->pirlvl->prclyrnos[pi->prcno];
-                                                       if (pi->lyrno >= *prclyrno) {
-                                                               ++(*prclyrno);
-                                                               return 0;
-                                                       }
-skip:
-                                                       ;
-                                               }
-                                       }
-                               }
-                       }
-               }
-       }
-       return 1;
-}
-
-static int jpc_pi_nextpcrl(register jpc_pi_t *pi)
-{
-       int rlvlno;
-       jpc_pirlvl_t *pirlvl;
-       jpc_pchg_t *pchg;
-       int prchind;
-       int prcvind;
-       int *prclyrno;
-       int compno;
-       jpc_picomp_t *picomp;
-       int xstep;
-       int ystep;
-       uint_fast32_t trx0;
-       uint_fast32_t try0;
-       uint_fast32_t r;
-       uint_fast32_t rpx;
-       uint_fast32_t rpy;
-
-       pchg = pi->pchg;
-       if (!pi->prgvolfirst) {
-               goto skip;
-       } else {
-               pi->xstep = 0;
-               pi->ystep = 0;
-               for (compno = 0, picomp = pi->picomps; compno < pi->numcomps;
-                 ++compno, ++picomp) {
-                       for (rlvlno = 0, pirlvl = picomp->pirlvls; rlvlno <
-                         picomp->numrlvls; ++rlvlno, ++pirlvl) {
-                               xstep = picomp->hsamp * (1 <<
-                                 (pirlvl->prcwidthexpn + picomp->numrlvls -
-                                 rlvlno - 1));
-                               ystep = picomp->vsamp * (1 <<
-                                 (pirlvl->prcheightexpn + picomp->numrlvls -
-                                 rlvlno - 1));
-                               pi->xstep = (!pi->xstep) ? xstep :
-                                 JAS_MIN(pi->xstep, xstep);
-                               pi->ystep = (!pi->ystep) ? ystep :
-                                 JAS_MIN(pi->ystep, ystep);
-                       }
-               }
-               pi->prgvolfirst = 0;
-       }
-
-       for (pi->y = pi->ystart; pi->y < pi->yend; pi->y += pi->ystep -
-         (pi->y % pi->ystep)) {
-               for (pi->x = pi->xstart; pi->x < pi->xend; pi->x += pi->xstep -
-                 (pi->x % pi->xstep)) {
-                       for (pi->compno = pchg->compnostart, pi->picomp =
-                         &pi->picomps[pi->compno]; pi->compno < pi->numcomps
-                         && pi->compno < JAS_CAST(int, pchg->compnoend); ++pi->compno,
-                         ++pi->picomp) {
-                               for (pi->rlvlno = pchg->rlvlnostart,
-                                 pi->pirlvl = &pi->picomp->pirlvls[pi->rlvlno];
-                                 pi->rlvlno < pi->picomp->numrlvls &&
-                                 pi->rlvlno < pchg->rlvlnoend; ++pi->rlvlno,
-                                 ++pi->pirlvl) {
-                                       if (pi->pirlvl->numprcs == 0) {
-                                               continue;
-                                       }
-                                       r = pi->picomp->numrlvls - 1 - pi->rlvlno;
-                                       trx0 = JPC_CEILDIV(pi->xstart, pi->picomp->hsamp << r);
-                                       try0 = JPC_CEILDIV(pi->ystart, pi->picomp->vsamp << r);
-                                       rpx = r + pi->pirlvl->prcwidthexpn;
-                                       rpy = r + pi->pirlvl->prcheightexpn;
-                                       if (((pi->x == pi->xstart && ((trx0 << r) % (1 << rpx))) ||
-                                         !(pi->x % (pi->picomp->hsamp << rpx))) &&
-                                         ((pi->y == pi->ystart && ((try0 << r) % (1 << rpy))) ||
-                                         !(pi->y % (pi->picomp->vsamp << rpy)))) {
-                                               prchind = JPC_FLOORDIVPOW2(JPC_CEILDIV(pi->x, pi->picomp->hsamp
-                                                 << r), pi->pirlvl->prcwidthexpn) - JPC_FLOORDIVPOW2(trx0,
-                                                 pi->pirlvl->prcwidthexpn);
-                                               prcvind = JPC_FLOORDIVPOW2(JPC_CEILDIV(pi->y, pi->picomp->vsamp
-                                                 << r), pi->pirlvl->prcheightexpn) - JPC_FLOORDIVPOW2(try0,
-                                                 pi->pirlvl->prcheightexpn);
-                                               pi->prcno = prcvind * pi->pirlvl->numhprcs + prchind;
-                                               assert(pi->prcno < pi->pirlvl->numprcs);
-                                               for (pi->lyrno = 0; pi->lyrno < pi->numlyrs &&
-                                                 pi->lyrno < JAS_CAST(int, pchg->lyrnoend); ++pi->lyrno) {
-                                                       prclyrno = &pi->pirlvl->prclyrnos[pi->prcno];
-                                                       if (pi->lyrno >= *prclyrno) {
-                                                               ++(*prclyrno);
-                                                               return 0;
-                                                       }
-skip:
-                                                       ;
-                                               }
-                                       }
-                               }
-                       }
-               }
-       }
-       return 1;
-}
-
-static int jpc_pi_nextcprl(register jpc_pi_t *pi)
-{
-       int rlvlno;
-       jpc_pirlvl_t *pirlvl;
-       jpc_pchg_t *pchg;
-       int prchind;
-       int prcvind;
-       int *prclyrno;
-       uint_fast32_t trx0;
-       uint_fast32_t try0;
-       uint_fast32_t r;
-       uint_fast32_t rpx;
-       uint_fast32_t rpy;
-
-       pchg = pi->pchg;
-       if (!pi->prgvolfirst) {
-               goto skip;
-       } else {
-               pi->prgvolfirst = 0;
-       }
-
-       for (pi->compno = pchg->compnostart, pi->picomp =
-         &pi->picomps[pi->compno]; pi->compno < JAS_CAST(int, pchg->compnoend); ++pi->compno,
-         ++pi->picomp) {
-               pirlvl = pi->picomp->pirlvls;
-               pi->xstep = pi->picomp->hsamp * (1 << (pirlvl->prcwidthexpn +
-                 pi->picomp->numrlvls - 1));
-               pi->ystep = pi->picomp->vsamp * (1 << (pirlvl->prcheightexpn +
-                 pi->picomp->numrlvls - 1));
-               for (rlvlno = 1, pirlvl = &pi->picomp->pirlvls[1];
-                 rlvlno < pi->picomp->numrlvls; ++rlvlno, ++pirlvl) {
-                       pi->xstep = JAS_MIN(pi->xstep, pi->picomp->hsamp * (1 <<
-                         (pirlvl->prcwidthexpn + pi->picomp->numrlvls -
-                         rlvlno - 1)));
-                       pi->ystep = JAS_MIN(pi->ystep, pi->picomp->vsamp * (1 <<
-                         (pirlvl->prcheightexpn + pi->picomp->numrlvls -
-                         rlvlno - 1)));
-               }
-               for (pi->y = pi->ystart; pi->y < pi->yend;
-                 pi->y += pi->ystep - (pi->y % pi->ystep)) {
-                       for (pi->x = pi->xstart; pi->x < pi->xend;
-                         pi->x += pi->xstep - (pi->x % pi->xstep)) {
-                               for (pi->rlvlno = pchg->rlvlnostart,
-                                 pi->pirlvl = &pi->picomp->pirlvls[pi->rlvlno];
-                                 pi->rlvlno < pi->picomp->numrlvls && pi->rlvlno <
-                                 pchg->rlvlnoend; ++pi->rlvlno, ++pi->pirlvl) {
-                                       if (pi->pirlvl->numprcs == 0) {
-                                               continue;
-                                       }
-                                       r = pi->picomp->numrlvls - 1 - pi->rlvlno;
-                                       trx0 = JPC_CEILDIV(pi->xstart, pi->picomp->hsamp << r);
-                                       try0 = JPC_CEILDIV(pi->ystart, pi->picomp->vsamp << r);
-                                       rpx = r + pi->pirlvl->prcwidthexpn;
-                                       rpy = r + pi->pirlvl->prcheightexpn;
-                                       if (((pi->x == pi->xstart && ((trx0 << r) % (1 << rpx))) ||
-                                         !(pi->x % (pi->picomp->hsamp << rpx))) &&
-                                         ((pi->y == pi->ystart && ((try0 << r) % (1 << rpy))) ||
-                                         !(pi->y % (pi->picomp->vsamp << rpy)))) {
-                                               prchind = JPC_FLOORDIVPOW2(JPC_CEILDIV(pi->x, pi->picomp->hsamp
-                                                 << r), pi->pirlvl->prcwidthexpn) - JPC_FLOORDIVPOW2(trx0,
-                                                 pi->pirlvl->prcwidthexpn);
-                                               prcvind = JPC_FLOORDIVPOW2(JPC_CEILDIV(pi->y, pi->picomp->vsamp
-                                                 << r), pi->pirlvl->prcheightexpn) - JPC_FLOORDIVPOW2(try0,
-                                                 pi->pirlvl->prcheightexpn);
-                                               pi->prcno = prcvind *
-                                                 pi->pirlvl->numhprcs +
-                                                 prchind;
-                                               assert(pi->prcno <
-                                                 pi->pirlvl->numprcs);
-                                               for (pi->lyrno = 0; pi->lyrno <
-                                                 pi->numlyrs && pi->lyrno < JAS_CAST(int, pchg->lyrnoend); ++pi->lyrno) {
-                                                       prclyrno = &pi->pirlvl->prclyrnos[pi->prcno];
-                                                       if (pi->lyrno >= *prclyrno) {
-                                                               ++(*prclyrno);
-                                                               return 0;
-                                                       }
-skip:
-                                                       ;
-                                               }
-                                       }
-                               }
-                       }
-               }
-       }
-       return 1;
-}
-
-static void pirlvl_destroy(jpc_pirlvl_t *rlvl)
-{
-       if (rlvl->prclyrnos) {
-               jas_free(rlvl->prclyrnos);
-       }
-}
-
-static void jpc_picomp_destroy(jpc_picomp_t *picomp)
-{
-       int rlvlno;
-       jpc_pirlvl_t *pirlvl;
-       if (picomp->pirlvls) {
-               for (rlvlno = 0, pirlvl = picomp->pirlvls; rlvlno <
-                 picomp->numrlvls; ++rlvlno, ++pirlvl) {
-                       pirlvl_destroy(pirlvl);
-               }
-               jas_free(picomp->pirlvls);
-       }
-}
-
-void jpc_pi_destroy(jpc_pi_t *pi)
-{
-       jpc_picomp_t *picomp;
-       int compno;
-       if (pi->picomps) {
-               for (compno = 0, picomp = pi->picomps; compno < pi->numcomps;
-                 ++compno, ++picomp) {
-                       jpc_picomp_destroy(picomp);
-               }
-               jas_free(pi->picomps);
-       }
-       if (pi->pchglist) {
-               jpc_pchglist_destroy(pi->pchglist);
-       }
-       jas_free(pi);
-}
-
-jpc_pi_t *jpc_pi_create0()
-{
-       jpc_pi_t *pi;
-       if (!(pi = jas_malloc(sizeof(jpc_pi_t)))) {
-               return 0;
-       }
-       pi->picomps = 0;
-       pi->pchgno = 0;
-       if (!(pi->pchglist = jpc_pchglist_create())) {
-               jas_free(pi);
-               return 0;
-       }
-       return pi;
-}
-
-int jpc_pi_addpchg(jpc_pi_t *pi, jpc_pocpchg_t *pchg)
-{
-       return jpc_pchglist_insert(pi->pchglist, -1, pchg);
-}
-
-jpc_pchglist_t *jpc_pchglist_create()
-{
-       jpc_pchglist_t *pchglist;
-       if (!(pchglist = jas_malloc(sizeof(jpc_pchglist_t)))) {
-               return 0;
-       }
-       pchglist->numpchgs = 0;
-       pchglist->maxpchgs = 0;
-       pchglist->pchgs = 0;
-       return pchglist;
-}
-
-int jpc_pchglist_insert(jpc_pchglist_t *pchglist, int pchgno, jpc_pchg_t *pchg)
-{
-       int i;
-       int newmaxpchgs;
-       jpc_pchg_t **newpchgs;
-       if (pchgno < 0) {
-               pchgno = pchglist->numpchgs;
-       }
-       if (pchglist->numpchgs >= pchglist->maxpchgs) {
-               newmaxpchgs = pchglist->maxpchgs + 128;
-               if (!(newpchgs = jas_realloc(pchglist->pchgs, newmaxpchgs * sizeof(jpc_pchg_t *)))) {
-                       return -1;
-               }
-               pchglist->maxpchgs = newmaxpchgs;
-               pchglist->pchgs = newpchgs;
-       }
-       for (i = pchglist->numpchgs; i > pchgno; --i) {
-               pchglist->pchgs[i] = pchglist->pchgs[i - 1];
-       }
-       pchglist->pchgs[pchgno] = pchg;
-       ++pchglist->numpchgs;
-       return 0;
-}
-
-jpc_pchg_t *jpc_pchglist_remove(jpc_pchglist_t *pchglist, int pchgno)
-{
-       int i;
-       jpc_pchg_t *pchg;
-       assert(pchgno < pchglist->numpchgs);
-       pchg = pchglist->pchgs[pchgno];
-       for (i = pchgno + 1; i < pchglist->numpchgs; ++i) {
-               pchglist->pchgs[i - 1] = pchglist->pchgs[i];
-       }
-       --pchglist->numpchgs;
-       return pchg;
-}
-
-jpc_pchg_t *jpc_pchg_copy(jpc_pchg_t *pchg)
-{
-       jpc_pchg_t *newpchg;
-       if (!(newpchg = jas_malloc(sizeof(jpc_pchg_t)))) {
-               return 0;
-       }
-       *newpchg = *pchg;
-       return newpchg;
-}
-
-jpc_pchglist_t *jpc_pchglist_copy(jpc_pchglist_t *pchglist)
-{
-       jpc_pchglist_t *newpchglist;
-       jpc_pchg_t *newpchg;
-       int pchgno;
-       if (!(newpchglist = jpc_pchglist_create())) {
-               return 0;
-       }
-       for (pchgno = 0; pchgno < pchglist->numpchgs; ++pchgno) {
-               if (!(newpchg = jpc_pchg_copy(pchglist->pchgs[pchgno])) ||
-                 jpc_pchglist_insert(newpchglist, -1, newpchg)) {
-                       jpc_pchglist_destroy(newpchglist);
-                       return 0;
-               }
-       }
-       return newpchglist;
-}
-
-void jpc_pchglist_destroy(jpc_pchglist_t *pchglist)
-{
-       int pchgno;
-       if (pchglist->pchgs) {
-               for (pchgno = 0; pchgno < pchglist->numpchgs; ++pchgno) {
-                       jpc_pchg_destroy(pchglist->pchgs[pchgno]);
-               }
-               jas_free(pchglist->pchgs);
-       }
-       jas_free(pchglist);
-}
-
-void jpc_pchg_destroy(jpc_pchg_t *pchg)
-{
-       jas_free(pchg);
-}
-
-jpc_pchg_t *jpc_pchglist_get(jpc_pchglist_t *pchglist, int pchgno)
-{
-       return pchglist->pchgs[pchgno];
-}
-
-int jpc_pchglist_numpchgs(jpc_pchglist_t *pchglist)
-{
-       return pchglist->numpchgs;
-}
-
-int jpc_pi_init(jpc_pi_t *pi)
-{
-       int compno;
-       int rlvlno;
-       int prcno;
-       jpc_picomp_t *picomp;
-       jpc_pirlvl_t *pirlvl;
-       int *prclyrno;
-
-       pi->prgvolfirst = 0;
-       pi->valid = 0;
-       pi->pktno = -1;
-       pi->pchgno = -1;
-       pi->pchg = 0;
-
-       for (compno = 0, picomp = pi->picomps; compno < pi->numcomps;
-         ++compno, ++picomp) {
-               for (rlvlno = 0, pirlvl = picomp->pirlvls; rlvlno <
-                 picomp->numrlvls; ++rlvlno, ++pirlvl) {
-                       for (prcno = 0, prclyrno = pirlvl->prclyrnos;
-                         prcno < pirlvl->numprcs; ++prcno, ++prclyrno) {
-                               *prclyrno = 0;
-                       }
-               }
-       }
-       return 0;
-}