--- /dev/null
+/*
+ * 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;
+}
projects / opencv / blobdiff