diff options
Diffstat (limited to 'src/3rdparty/jasper/src/libjasper/jpc/jpc_t2cod.c')
| -rw-r--r-- | src/3rdparty/jasper/src/libjasper/jpc/jpc_t2cod.c | 684 |
1 files changed, 684 insertions, 0 deletions
diff --git a/src/3rdparty/jasper/src/libjasper/jpc/jpc_t2cod.c b/src/3rdparty/jasper/src/libjasper/jpc/jpc_t2cod.c new file mode 100644 index 0000000..8a41c6e --- /dev/null +++ b/src/3rdparty/jasper/src/libjasper/jpc/jpc_t2cod.c @@ -0,0 +1,684 @@ +/* + * 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 + * + * $Id$ + */ + +#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; +} |