jas_cmprof_t *jas_cmprof_createfromiccprof(jas_iccprof_t *iccprof)
{
jas_cmprof_t *prof;
jas_icchdr_t icchdr;
jas_cmpxformseq_t *fwdpxformseq;
jas_cmpxformseq_t *revpxformseq;
if (!(prof = jas_cmprof_create()))
goto error;
jas_iccprof_gethdr(iccprof, &icchdr);
if (!(prof->iccprof = jas_iccprof_copy(iccprof)))
goto error;
prof->clrspc = icctoclrspc(icchdr.colorspc, 0);
prof->refclrspc = icctoclrspc(icchdr.refcolorspc, 1);
prof->numchans = jas_clrspc_numchans(prof->clrspc);
prof->numrefchans = jas_clrspc_numchans(prof->refclrspc);
if (prof->numchans == 1) {
if (mono(prof->iccprof, 0, &fwdpxformseq))
goto error;
if (mono(prof->iccprof, 1, &revpxformseq))
goto error;
} else if (prof->numchans == 3) {
if (triclr(prof->iccprof, 0, &fwdpxformseq))
goto error;
if (triclr(prof->iccprof, 1, &revpxformseq))
goto error;
}
prof->pxformseqs[SEQFWD(0)] = fwdpxformseq;
prof->pxformseqs[SEQREV(0)] = revpxformseq;
#if 0
if (prof->numchans > 1) {
lut(prof->iccprof, 0, PER, &pxformseq);
pxformseqs_set(prof, SEQFWD(PER), pxformseq);
lut(prof->iccprof, 1, PER, &pxformseq);
pxformseqs_set(prof, SEQREV(PER), pxformseq);
lut(prof->iccprof, 0, CLR, &pxformseq);
pxformseqs_set(prof, SEQREV(CLR), pxformseq);
lut(prof->iccprof, 1, CLR, &pxformseq);
pxformseqs_set(prof, SEQREV(CLR), pxformseq);
lut(prof->iccprof, 0, SAT, &pxformseq);
pxformseqs_set(prof, SEQREV(SAT), pxformseq);
lut(prof->iccprof, 1, SAT, &pxformseq);
pxformseqs_set(prof, SEQREV(SAT), pxformseq);
}
#endif
return prof;
error:
return 0;
}
jas_cmxform_t *jas_cmxform_create(jas_cmprof_t *inprof, jas_cmprof_t *outprof,
jas_cmprof_t *prfprof, int op, int intent, int optimize)
{
jas_cmxform_t *xform;
jas_cmpxformseq_t *inpxformseq;
jas_cmpxformseq_t *outpxformseq;
jas_cmpxformseq_t *altoutpxformseq;
jas_cmpxformseq_t *prfpxformseq;
int prfintent;
/* Avoid compiler warnings about unused parameters. */
optimize = 0;
prfintent = intent;
if (!(xform = jas_malloc(sizeof(jas_cmxform_t))))
goto error;
if (!(xform->pxformseq = jas_cmpxformseq_create()))
goto error;
switch (op) {
case JAS_CMXFORM_OP_FWD:
inpxformseq = fwdpxformseq(inprof, intent);
outpxformseq = revpxformseq(outprof, intent);
if (!inpxformseq || !outpxformseq)
goto error;
if (jas_cmpxformseq_append(xform->pxformseq, inpxformseq) ||
jas_cmpxformseq_appendcnvt(xform->pxformseq,
inprof->refclrspc, outprof->refclrspc) ||
jas_cmpxformseq_append(xform->pxformseq, outpxformseq))
goto error;
xform->numinchans = jas_clrspc_numchans(inprof->clrspc);
xform->numoutchans = jas_clrspc_numchans(outprof->clrspc);
break;
case JAS_CMXFORM_OP_REV:
outpxformseq = fwdpxformseq(outprof, intent);
inpxformseq = revpxformseq(inprof, intent);
if (!outpxformseq || !inpxformseq)
goto error;
if (jas_cmpxformseq_append(xform->pxformseq, outpxformseq) ||
jas_cmpxformseq_appendcnvt(xform->pxformseq,
outprof->refclrspc, inprof->refclrspc) ||
jas_cmpxformseq_append(xform->pxformseq, inpxformseq))
goto error;
xform->numinchans = jas_clrspc_numchans(outprof->clrspc);
xform->numoutchans = jas_clrspc_numchans(inprof->clrspc);
break;
case JAS_CMXFORM_OP_PROOF:
assert(prfprof);
inpxformseq = fwdpxformseq(inprof, intent);
prfpxformseq = fwdpxformseq(prfprof, prfintent);
if (!inpxformseq || !prfpxformseq)
goto error;
outpxformseq = simpxformseq(outprof, intent);
altoutpxformseq = 0;
if (!outpxformseq) {
outpxformseq = revpxformseq(outprof, intent);
altoutpxformseq = fwdpxformseq(outprof, intent);
if (!outpxformseq || !altoutpxformseq)
goto error;
}
if (jas_cmpxformseq_append(xform->pxformseq, inpxformseq) ||
jas_cmpxformseq_appendcnvt(xform->pxformseq,
inprof->refclrspc, outprof->refclrspc))
goto error;
if (altoutpxformseq) {
if (jas_cmpxformseq_append(xform->pxformseq, outpxformseq) ||
jas_cmpxformseq_append(xform->pxformseq, altoutpxformseq))
goto error;
} else {
if (jas_cmpxformseq_append(xform->pxformseq, outpxformseq))
goto error;
}
if (jas_cmpxformseq_appendcnvt(xform->pxformseq,
outprof->refclrspc, inprof->refclrspc) ||
jas_cmpxformseq_append(xform->pxformseq, prfpxformseq))
goto error;
xform->numinchans = jas_clrspc_numchans(inprof->clrspc);
xform->numoutchans = jas_clrspc_numchans(prfprof->clrspc);
break;
case JAS_CMXFORM_OP_GAMUT:
inpxformseq = fwdpxformseq(inprof, intent);
outpxformseq = gampxformseq(outprof);
if (!inpxformseq || !outpxformseq)
goto error;
if (jas_cmpxformseq_append(xform->pxformseq, inpxformseq) ||
jas_cmpxformseq_appendcnvt(xform->pxformseq,
inprof->refclrspc, outprof->refclrspc) ||
jas_cmpxformseq_append(xform->pxformseq, outpxformseq))
goto error;
xform->numinchans = jas_clrspc_numchans(inprof->clrspc);
xform->numoutchans = 1;
break;
}
return xform;
error:
return 0;
}
