/* TpReadData reads a fut from a memory block and returns a handle to a newly allocated fut
*/
PTErr_t
TpReadData( KpFd_p fd,
PTType_t format,
PTRefNum_t PTRefNum,
KpHandle_t PTHdr,
KpHandle_t FAR* PTData)
{
PTErr_t errnum;
fut_p fut = NULL, theFutFromMatrix = NULL, newFut = NULL, lab2xyzFut = NULL, finalFut = NULL;
fut_hdr_p futHdr;
Fixed_t matrix[MF_MATRIX_DIM * MF_MATRIX_DIM + MF_MATRIX_DIM];
KpInt32_t ret, iomask;
KpChar_t ENUM_String[20];
KpInt32_t inCS, i, i1;
ResponseRecord_t inRedTRC, inGreenTRC, inBlueTRC;
ResponseRecord_t outRedTRC, outGreenTRC, outBlueTRC;
PTRefNum_t matrixPTRefNum;
PTDataClass_t iClass, oClass;
futHdr = (fut_hdr_p) lockBuffer (PTHdr); /* get buffer pointer */
if (futHdr == NULL) {
errnum = KCP_MEM_LOCK_ERR;
goto GetOut;
}
futHdr->profileType = getIntAttrDef (PTRefNum, KCM_ICC_PROFILE_TYPE);
futHdr->spaceIn = getIntAttrDef (PTRefNum, KCM_SPACE_IN);
futHdr->spaceOut = getIntAttrDef (PTRefNum, KCM_SPACE_OUT);
futHdr->iDataClass = getDataClass (futHdr->spaceIn);
futHdr->oDataClass = getDataClass (futHdr->spaceOut);
switch (format) {
case FUT_CIGAM: /* fut with bytes reversed */
case FUT_MAGIC: /* fut with bytes in correct order */
if ((fut = fut_alloc_fut ()) == NULL) { /* allocate a new fut structure */
errnum = KCP_NO_ACTIVATE_MEM;
}
else {
if (fut_read_tbls (fd, fut, futHdr) != 1) { /* read fut tables */
errnum = KCP_PT_DATA_READ_ERR;
}
else {
if (fut_io_decode (fut, futHdr) == 0) {
errnum = KCP_PTERR_0;
}
else {
errnum = KCP_SUCCESS;
}
}
}
break;
case PTTYPE_MFT1:
case PTTYPE_MFT2:
fut = fut_readMFutTbls (fd, futHdr, matrix); /* read matrix fut tables */
if (fut == NULL) {
errnum = KCP_NO_ACTIVATE_MEM;
}
else {
inCS = getIntAttrDef (PTRefNum, KCM_SPACE_IN);
if ((inCS == KCM_CIE_XYZ) && (isIdentityMatrix (matrix, MF_MATRIX_DIM) != 1)) {
ret = makeOutputMatrixXform ((Fixed_p)&matrix, 8, &theFutFromMatrix);
if (ret != 1) {
errnum = KCP_INCON_PT;
goto GetOut;
}
else {
iomask = FUT_PASS(FUT_XYZ); /* get the Lab to XYZ fut */
lab2xyzFut = get_lab2xyz (KCP_GRID_DIM_SIXTEEN);
newFut = fut_comp (theFutFromMatrix, lab2xyzFut, iomask);
if (newFut != NULL) {
finalFut = fut_comp (fut, newFut, iomask);
}
fut_free (theFutFromMatrix); /* free intermediate futs */
fut_free (lab2xyzFut);
fut_free (fut);
fut_free (newFut);
fut = finalFut;
/* set the input color space attribute to Lab */
KpItoa (KCM_CIE_LAB, ENUM_String);
errnum = PTSetAttribute (PTRefNum, KCM_SPACE_IN, ENUM_String);
if (errnum != KCP_SUCCESS) {
goto GetOut;
}
/* set the input composition attribute to Lab */
errnum = PTSetAttribute (PTRefNum, KCM_IN_CHAIN_CLASS_2, "6");
if (errnum != KCP_SUCCESS) {
goto GetOut;
}
}
}
if ((fut == NULL) || !fut_io_encode (fut, futHdr)) { /* make the info header */
errnum = KCP_INCON_PT;
goto GetOut;
}
errnum = KCP_SUCCESS;
}
break;
case PTTYPE_MA2B:
case PTTYPE_MB2A:
matrix[0] = matrix[4] = matrix[8] = KpF15d16FromDouble(1.0);
matrix[1] = matrix[2] = matrix[3] =
matrix[5] = matrix[6] = matrix[7] =
matrix[9] = matrix[10] = matrix[11] = KpF15d16FromDouble(0.0);
fut = fut_readMabFutTbls (fd, futHdr, matrix); /* read matrix fut tables */
if (fut == NULL) {
errnum = KCP_NO_ACTIVATE_MEM;
}
else {
if (fut->lutConfig & HAS_MATRIX_DATA) {
i = MF_MATRIX_DIM * MF_MATRIX_DIM + MF_MATRIX_DIM;
for (i1 = 0; i1 < i; i1++)
{
fut->matrix[i1] = matrix[i1];
}
switch (fut->lutConfig) {
case MAB_M_MATRIX_B_COMBO:
case MBA_B_MATRIX_M_COMBO:
inRedTRC.CurveCount = fut->mabInTblEntries[0];
inGreenTRC.CurveCount = fut->mabInTblEntries[1];
inBlueTRC.CurveCount = fut->mabInTblEntries[2];
inRedTRC.CurveData = fut->mabInRefTbl[0];
inGreenTRC.CurveData = fut->mabInRefTbl[1];
inBlueTRC.CurveData = fut->mabInRefTbl[2];
outRedTRC.CurveCount = fut->mabOutTblEntries[0];
outGreenTRC.CurveCount = fut->mabOutTblEntries[1];
outBlueTRC.CurveCount = fut->mabOutTblEntries[2];
outRedTRC.CurveData = fut->mabOutRefTbl[0];
outGreenTRC.CurveData = fut->mabOutRefTbl[1];
outBlueTRC.CurveData = fut->mabOutRefTbl[2];
iClass = getDataClass(futHdr->spaceIn);
oClass = getDataClass(futHdr->spaceOut);
ret = makeFutFromMatrix ((Fixed_p)&matrix, &inRedTRC, &inGreenTRC, &inBlueTRC,
&outRedTRC, &outGreenTRC, &outBlueTRC, MATRIX_GRID_SIZE, iClass, oClass,
(fut_p *)&theFutFromMatrix);
break;
case MBA_B_MATRIX_M_CLUT_A_COMBO:
inRedTRC.CurveCount = fut->mabInTblEntries[0];
inGreenTRC.CurveCount = fut->mabInTblEntries[1];
inBlueTRC.CurveCount = fut->mabInTblEntries[2];
inRedTRC.CurveData = fut->mabInRefTbl[0];
inGreenTRC.CurveData = fut->mabInRefTbl[1];
inBlueTRC.CurveData = fut->mabInRefTbl[2];
iClass = getDataClass(futHdr->spaceIn);
oClass = KCP_UNKNOWN;
ret = makeFutFromMatrix ((Fixed_p)&matrix, &inRedTRC, &inGreenTRC, &inBlueTRC,
NULL, NULL, NULL, MATRIX_GRID_SIZE, iClass, oClass, (fut_p *)&theFutFromMatrix);
break;
case MAB_A_CLUT_M_MATRIX_B_COMBO:
outRedTRC.CurveCount = fut->mabOutTblEntries[0];
outGreenTRC.CurveCount = fut->mabOutTblEntries[1];
outBlueTRC.CurveCount = fut->mabOutTblEntries[2];
outRedTRC.CurveData = fut->mabOutRefTbl[0];
outGreenTRC.CurveData = fut->mabOutRefTbl[1];
outBlueTRC.CurveData = fut->mabOutRefTbl[2];
iClass = KCP_UNKNOWN;
oClass = getDataClass(futHdr->spaceOut);
ret = makeFutFromMatrix ((Fixed_p)&matrix, NULL, NULL, NULL, &outRedTRC, &outGreenTRC,
&outBlueTRC, MATRIX_GRID_SIZE, iClass, oClass, (fut_p *)&theFutFromMatrix);
break;
default:
break;
}
if (NULL != theFutFromMatrix)
{
/* Create a PT from the fut */
errnum = fut2PT (&theFutFromMatrix, KCM_UNKNOWN, KCM_UNKNOWN, PTTYPE_CALCULATED, &matrixPTRefNum);
if (errnum != KCP_SUCCESS) {
goto GetOut;
}
errnum = setMatrixPTRefNum (PTRefNum, matrixPTRefNum, fut->lutConfig);
if (errnum != KCP_SUCCESS) {
goto GetOut;
}
}
if (ret != 1) {
errnum = KCP_INCON_PT;
goto GetOut;
}
}
if ((fut == NULL) || !fut_io_encode (fut, futHdr)) { /* make the info header */
errnum = KCP_INCON_PT;
goto GetOut;
}
errnum = KCP_SUCCESS;
}
break;
default:
break;
}
GetOut:
if ((errnum != KCP_SUCCESS) || (fut == NULL)) {
fut_free (fut);
}
else { /* return handle to fut to caller */
/* make sure the futs are in the reference state */
if (fut_to_mft (fut) == 1) {
*PTData = (KpHandle_t)fut_unlock_fut (fut);
}
}
if ( ! unlockBuffer (PTHdr)) {
errnum = KCP_MEM_UNLOCK_ERR;
}
return errnum;
}
fut_p
fut_comp (fut_p fut1, fut_p fut0, KpInt32_t iomask)
{
KpInt32_t ok = 1, nGridPoints, omask, evalomask, imask, pmask, order, i, j, nEntries, nOutChans;
fut_p fut2 = NULL, evalFut = NULL;
fut_itbl_p oitbls[FUT_NICHAN];
mf2_tbldat_p indat[FUT_NICHAN], outdat[FUT_NOCHAN];
fut_gtbl_p fut1_gtbls[FUT_NOCHAN];
if (( ! IS_FUT(fut0)) || ( ! IS_FUT(fut1))) {
return (NULL);
}
/* extract component masks from iomask */
omask = FUT_OMASK(iomask); /* which output chans? */
pmask = FUT_PMASK(iomask); /* which ones allowed to pass through? */
order = FUT_ORDMASK(iomask); /* which interpolation to use? */
if ( order == FUT_DEFAULT ) {
order = fut1->iomask.order;
}
/* adjust masks for iomask_check below */
pmask &= fut0->iomask.out; /* available for "pass through" */
if ( omask == 0 ) { /* required outputs (0 means all) */
omask = fut1->iomask.out;
}
/* see if fut0 can provide required inputs to fut1 */
imask = fut0->iomask.out; /* available inputs for fut1 */
iomask = FUT_OUT(omask) | FUT_IN(imask) | FUT_PASS(pmask);
if ( ! fut_iomask_check (fut1, iomask) ) {
return (NULL);
}
/* make sure the futs are in the reference state */
if ((fut_to_mft (fut0) != 1) || (fut_to_mft (fut1) != 1)) {
return (NULL);
}
/* fut1 will be used to process the grid tables of fut0, placing the
* results in the grid tables of fut2. Fut0's grid table data must first
* be passed through its output tables before sending it through fut1's
* input tables. This is accomplished more efficiently by composing
* fut1's input tables with fut0's output tables and using these directly
* on fut0 grid data rather than the normal input tables.
*
* Create the result fut (fut2) which will be the composition of fut1
* and fut0. Fut2 will inherit the input tables of fut0 and the output
* tables of fut1. Its grid data will be in the same color coordinates
* as fut1's.
*/
fut2 = fut_new (FUT_IN(FUT_ALLIN), fut0->itbl, NULL, NULL);
if ( fut2 == NULL ) {
return (NULL);
}
/* for each desired channel i in fut2, create a new grid table. The
* dimensions of each new grid table are derived from fut0 and fut1
* like so: for every input required for channel i of fut1, form the
* union of the input sets of all corresponding fut0 outputs.
*/
/* null all io tables and table pointers */
KpMemSet (oitbls, 0, sizeof(oitbls));
imask = 0; /* will be the input mask for all inputs needed to fut1 */
evalomask = 0; /* omask for evaluation */
for (i = 0; (i < FUT_NOCHAN) && ok; i++) {
KpInt32_t size[FUT_NICHAN];
fut_gtbl_p gtbl;
KpInt32_t imask1, imask2;
fut1_gtbls[i] = NULL; /* assume not needed */
if ((omask & FUT_BIT(i)) == 0) { /* is this output channel needed? */
continue; /* no */
}
/* if a specified output is to be passed through from fut0, do that here */
if ( ! IS_CHAN(fut1->chan[i]) && IS_CHAN(fut0->chan[i])) {
ok = fut_defchan (fut2, FUT_OUT(FUT_BIT(i)), NULL,
fut0->chan[i]->gtbl, fut0->chan[i]->otbl);
continue; /* no need to evaluate this ochan */
}
if (! IS_CHAN(fut1->chan[i])) {
ok = 0; /* something wrong */
goto GetOut;
}
/* At this point we know that (fut1->chan[i] != 0). We also
* have determined (from iomask_check above) that fut0->chan[j] != 0.
*/
imask2 = 0; /* determine inputs from fut0 needed for this channel */
imask1 = fut1->chan[i]->imask; /* inputs used by this chan */
for (j = 0; (j < FUT_NICHAN) && ok; j++) {
if ((imask1 & FUT_BIT(j)) != 0) { /* this input chan is needed */
if ( ! IS_CHAN(fut0->chan[j])) { /* available? */
ok = 0; /* composition fails */
goto GetOut;
}
if (fut1->itbl[j] != fut1->chan[i]->itbl[j]) { /* shared itbl? */
goto nextOChan; /* nope, ignore this ochan */
}
imask2 |= fut0->chan[j]->imask;
}
}
evalomask |= FUT_BIT(i); /* will be evalutating this channel */
imask |= imask1; /* build mask of all needed inputs */
/* determine required dimensions from mask */
for (j = 0; j < FUT_NICHAN; j++) {
size[j] = (imask2 & (KpInt32_t)FUT_BIT(j)) ? fut0->itbl[j]->size : 1;
}
/* create the new grid table
* insert it along with fut1's output table into fut2
*/
gtbl = fut_new_gtblEx (FUT_IN(FUT_ALLIN), NULL, NULL, size);
ok = fut_defchan (fut2, FUT_OUT(FUT_BIT(i)), NULL, gtbl, fut1->chan[i]->otbl);
fut_free_gtbl (gtbl);
if (!ok) {
goto GetOut;
}
fut1_gtbls[i] = fut1->chan[i]->gtbl; /* collect gtbls for evaluation fut */
/* verify the input data for the evaluation of the output channel in fut1 */
for (j = 0; j < FUT_NICHAN; j++) {
if ((imask1 & FUT_BIT(j)) != 0) { /* this channel needed as input */
if ((fut0->chan[j]->imask & (~fut2->chan[i]->imask)) != 0) { /* it's inputs must be used by output */
ok = 0; /* composition fails */
goto GetOut;
}
}
}
nextOChan:;
}
/* collect the gtbls which are the input data for the chan evaluation.
* also pre-compose fut0's otbls with fut1's itbls.
*/
for (i = 0; i < FUT_NICHAN; i++) {
oitbls[i] = NULL;
if (ok) {
fut_chan_p theChan = fut0->chan[i];
if ((imask & FUT_BIT(i)) == 0) {
continue; /* this output from fut0 not required */
}
indat[i] = theChan->gtbl->refTbl; /* collect gtbls: the input data for the evaluation */
ok = (indat[i] != NULL);
/* allocate memory for composed i/o tables
* these have the same size as the output tables of the channel supplying the input */
if (ok) {
fut_itbl_p theITbl = fut1->itbl[i];
fut_otbl_p theOTbl = theChan->otbl;
oitbls[i] = fut_alloc_itbl (); /* get an itbl */
oitbls[i]->size = theITbl->size;
oitbls[i]->dataClass = KCP_FIXED_RANGE;
nEntries = MAX(theITbl->refTblEntries, theOTbl->refTblEntries);
ok = (fut_alloc_imftdat (oitbls[i], nEntries) != NULL);
if (ok) { /* make input table for evaluation */
ok = fut_comp_iotblMF (theITbl, theOTbl, oitbls[i]);
}
}
}
}
/* make an evaluation fut with the composed I/O tables, fut1's gtbls, and no otbls */
evalFut = fut_new (iomask, oitbls, fut1_gtbls, NULL);
if (( ! ok) ||
(evalFut == NULL) || /* if evaluation fut ok */
(fut_to_mft (fut2) != 1)) { /* make sure the futs are in the reference state */
ok = 0;
goto GetOut;
}
else { /* Finally, we are ready to pass fut0's grid tables through fut1 */
for (i = 0, nOutChans = 0; (i < FUT_NOCHAN) && ok; i++) {
if ((evalomask & FUT_BIT(i)) != 0) {
fut_gtbl_p gtbl;
gtbl = fut2->chan[i]->gtbl;
nGridPoints = gtbl->tbl_size / sizeof (fut_gtbldat_t); /* grid points for eval */
if (evalFut->iomask.in != evalFut->chan[i]->imask) { /* must evaluate this channel singly */
evalomask &= ~FUT_BIT(i); /* remove channel from multiple eval list */
ok = evaluateFut (evalFut, FUT_BIT(i), KCM_USHORT, nGridPoints,
(KpGenericPtr_t FAR*) indat, (KpGenericPtr_t FAR*) &(gtbl->refTbl));
}
else {
outdat[nOutChans] = gtbl->refTbl;
nOutChans++;
}
}
}
/* eval result is composed fut's gtbls */
ok = evaluateFut (evalFut, evalomask, KCM_USHORT, nGridPoints,
(KpGenericPtr_t FAR*) indat, (KpGenericPtr_t FAR*) outdat);
}
GetOut:
/* must always free up the evaluation fut and io tables, even if an error occurred! */
fut_free (evalFut);
fut_free_tbls (FUT_NICHAN, (void *)oitbls);
/* check for errors */
if ( !ok ) {
fut_free (fut2);
fut2 = NULL;
}
return (fut2);
}
