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greg |
2.1 |
#ifndef lint
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static const char RCSid[] = "$Id: rmtxcomb.c,v 2.6 2023/12/11 15:13:39 greg Exp $";
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#endif
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/*
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* General component matrix combiner, operating on a row at a time.
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*/
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#include <errno.h>
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#include <math.h>
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#include "platform.h"
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#include "rtio.h"
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#include "resolu.h"
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#include "rmatrix.h"
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#include "calcomp.h"
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#include "paths.h"
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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#define MAXCOMP MAXCSAMP /* #components we support */
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/* Unary matrix operation(s) */
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typedef struct {
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double cmat[MAXCOMP*MAXCOMP]; /* component transformation */
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double sca[MAXCOMP]; /* scalar coefficients */
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const char *csym; /* symbolic coefficients */
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short clen; /* number of coefficients */
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short nsf; /* number of scalars */
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} RUNARYOP;
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/* Input matrix */
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typedef struct {
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const char *inspec; /* input specification */
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RUNARYOP preop; /* transform operation */
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RMATRIX imx; /* input matrix header info */
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RMATRIX *rmp; /* active single-row matrix */
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FILE *infp; /* open input stream */
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} ROPMAT;
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ROPMAT *mop = NULL; /* allocated input array */
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int nall = 0; /* number allocated */
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int nmats = 0; /* number of actual inputs */
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RMATRIX *mcat = NULL; /* final concatenation */
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int mcat_last = 0; /* goes after trailing ops? */
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int in_nrows; /* input row count */
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#define in_ncols (mop[0].rmp->ncols) /* input column count */
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#define in_ncomp (mop[0].rmp->ncomp) /* input #components */
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extern int nowarn; /* turn off warnings? */
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int cur_row; /* current input/output row */
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int cur_col; /* current input/output column */
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int cur_chan; /* if we're looping channels */
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static int checksymbolic(ROPMAT *rop);
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static int
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split_input(ROPMAT *rop)
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{
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if (rop->rmp == &rop->imx && !(rop->rmp = rmx_copy(&rop->imx))) {
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fputs("Out of memory in split_input()\n", stderr);
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return(0);
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}
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rmx_reset(rop->rmp);
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return(1);
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}
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/* Check/set transform based on a reference input file */
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static int
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checkreffile(ROPMAT *rop)
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{
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static const char *curRF = NULL;
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static RMATRIX refm;
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const int nc = rop->imx.ncomp;
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int i;
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if (!curRF || strcmp(rop->preop.csym, curRF)) {
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FILE *fp = fopen(rop->preop.csym, "rb");
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if (!rmx_load_header(&refm, fp)) {
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fprintf(stderr, "%s: cannot read info header\n",
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rop->preop.csym);
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curRF = NULL;
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if (fp) fclose(fp);
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return(0);
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}
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fclose(fp);
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curRF = rop->preop.csym;
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}
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if (refm.ncomp == 3) {
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rop->preop.csym = (refm.dtype == DTxyze) ? "XYZ" : "RGB";
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return(checksymbolic(rop));
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}
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if (refm.ncomp == 2) {
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fprintf(stderr, "%s: cannot convert to 2 components\n",
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curRF);
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return(0);
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}
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if (refm.ncomp == 1) {
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rop->preop.csym = "Y"; /* XXX big assumption */
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return(checksymbolic(rop));
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}
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if (refm.ncomp == nc &&
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!memcmp(refm.wlpart, rop->imx.wlpart, sizeof(refm.wlpart)))
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return(1); /* nothing to do */
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if ((nc <= 3) | (nc > MAXCSAMP) | (refm.ncomp > MAXCSAMP)) {
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fprintf(stderr, "%s: cannot resample from %d to %d components\n",
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curRF, nc, refm.ncomp);
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return(0);
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}
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if (!split_input(rop)) /* get our own struct */
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return(0);
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rop->preop.clen = refm.ncomp * nc; /* compute spec to ref */
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for (i = 0; i < nc; i++) {
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SCOLOR scstim, scresp;
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int j;
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memset(scstim, 0, sizeof(COLORV)*nc);
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scstim[i] = 1.f;
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convertscolor(scresp, refm.ncomp, refm.wlpart[0], refm.wlpart[3],
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scstim, nc, rop->imx.wlpart[0], rop->imx.wlpart[3]);
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for (j = refm.ncomp; j-- > 0; )
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rop->preop.cmat[j*nc + i] = scresp[j];
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}
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/* remember new spectral params */
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memcpy(rop->rmp->wlpart, refm.wlpart, sizeof(rop->rmp->wlpart));
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rop->rmp->ncomp = refm.ncomp;
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return(1);
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}
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/* Compute conversion row from spectrum to one channel of RGB */
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static void
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rgbrow(ROPMAT *rop, int r, int p)
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{
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const int nc = rop->imx.ncomp;
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const float * wlp = rop->imx.wlpart;
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int i;
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for (i = nc; i--; ) {
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int nmEnd = wlp[0] + (wlp[3] - wlp[0])*i/nc;
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int nmStart = wlp[0] + (wlp[3] - wlp[0])*(i+1)/nc;
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COLOR crgb;
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spec_rgb(crgb, nmStart, nmEnd);
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rop->preop.cmat[r*nc+i] = crgb[p];
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}
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}
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/* Compute conversion row from spectrum to one channel of XYZ */
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static void
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xyzrow(ROPMAT *rop, int r, int p)
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{
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const int nc = rop->imx.ncomp;
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const float * wlp = rop->imx.wlpart;
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int i;
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for (i = nc; i--; ) {
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int nmEnd = wlp[0] + (wlp[3] - wlp[0])*i/nc;
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int nmStart = wlp[0] + (wlp[3] - wlp[0])*(i+1)/nc;
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COLOR cxyz;
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spec_cie(cxyz, nmStart, nmEnd);
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rop->preop.cmat[r*nc+i] = cxyz[p];
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}
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}
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/* Use the spectral sensitivity function to compute matrix coefficients */
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static void
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sensrow(ROPMAT *rop, int r, double (*sf)(SCOLOR sc, int ncs, const float wlpt[4]))
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{
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const int nc = rop->imx.ncomp;
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int i;
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| 175 |
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for (i = nc; i--; ) {
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SCOLOR sclr;
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memset(sclr, 0, sizeof(COLORV)*nc);
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sclr[i] = 1.f;
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rop->preop.cmat[r*nc+i] = (*sf)(sclr, nc, rop->imx.wlpart);
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}
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}
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| 182 |
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| 183 |
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/* Check/set symbolic transform */
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static int
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checksymbolic(ROPMAT *rop)
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{
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const int nc = rop->imx.ncomp;
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const int dt = rop->imx.dtype;
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| 189 |
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int i, j;
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/* check suffix => reference file */
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if (strchr(rop->preop.csym, '.') > rop->preop.csym)
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return(checkreffile(rop));
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| 194 |
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if (nc < 3) {
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| 195 |
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fprintf(stderr, "%s: -c '%s' requires at least 3 components\n",
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rop->inspec, rop->preop.csym);
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return(0);
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| 198 |
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}
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| 199 |
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rop->preop.clen = strlen(rop->preop.csym) * nc;
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| 200 |
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if (rop->preop.clen > MAXCOMP*MAXCOMP) {
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| 201 |
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fprintf(stderr, "%s: -c '%s' results in too many components\n",
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| 202 |
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rop->inspec, rop->preop.csym);
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| 203 |
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return(0);
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| 204 |
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}
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| 205 |
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for (j = 0; rop->preop.csym[j]; j++) {
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| 206 |
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int comp = 0;
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| 207 |
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switch (rop->preop.csym[j]) {
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case 'B':
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++comp;
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| 210 |
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/* fall through */
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| 211 |
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case 'G':
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| 212 |
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++comp;
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/* fall through */
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| 214 |
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case 'R':
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if (dt == DTxyze) {
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for (i = 3; i--; )
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rop->preop.cmat[j*nc+i] = 1./WHTEFFICACY *
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| 218 |
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xyz2rgbmat[comp][i];
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| 219 |
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} else if (nc == 3)
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| 220 |
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rop->preop.cmat[j*nc+comp] = 1.;
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| 221 |
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else
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| 222 |
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rgbrow(rop, j, comp);
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| 223 |
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break;
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| 224 |
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case 'Z':
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| 225 |
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++comp;
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| 226 |
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/* fall through */
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| 227 |
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case 'Y':
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| 228 |
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++comp;
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| 229 |
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/* fall through */
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| 230 |
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case 'X':
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| 231 |
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if (dt == DTxyze) {
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| 232 |
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rop->preop.cmat[j*nc+comp] = 1.;
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| 233 |
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} else if (nc == 3) {
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| 234 |
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for (i = 3; i--; )
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| 235 |
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rop->preop.cmat[j*nc+i] =
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| 236 |
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rgb2xyzmat[comp][i];
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| 237 |
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} else if (comp == CIEY)
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| 238 |
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sensrow(rop, j, scolor2photopic);
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| 239 |
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else
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| 240 |
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xyzrow(rop, j, comp);
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| 241 |
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| 242 |
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for (i = nc*(dt != DTxyze); i--; )
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| 243 |
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rop->preop.cmat[j*nc+i] *= WHTEFFICACY;
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| 244 |
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break;
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| 245 |
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case 'S': /* scotopic (il)luminance */
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| 246 |
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sensrow(rop, j, scolor2scotopic);
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| 247 |
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for (i = nc; i--; )
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| 248 |
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rop->preop.cmat[j*nc+i] *= WHTSCOTOPIC;
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| 249 |
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break;
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| 250 |
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case 'M': /* melanopic (il)luminance */
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| 251 |
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sensrow(rop, j, scolor2melanopic);
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| 252 |
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for (i = nc; i--; )
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| 253 |
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rop->preop.cmat[j*nc+i] *= WHTMELANOPIC;
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| 254 |
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break;
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| 255 |
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case 'A': /* average component */
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| 256 |
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for (i = nc; i--; )
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| 257 |
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rop->preop.cmat[j*nc+i] = 1./(double)nc;
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| 258 |
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break;
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| 259 |
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default:
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| 260 |
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fprintf(stderr, "%s: -c '%c' unsupported\n",
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| 261 |
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rop->inspec, rop->preop.csym[j]);
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| 262 |
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return(0);
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| 263 |
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}
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| 264 |
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}
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| 265 |
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if (!split_input(rop)) /* get our own struct */
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| 266 |
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return(0);
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| 267 |
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memcpy(rop->rmp->wlpart, WLPART, sizeof(rop->rmp->wlpart));
|
| 268 |
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rop->rmp->ncomp = rop->preop.clen / nc;
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| 269 |
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/* decide on output type */
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| 270 |
|
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if (!strcmp(rop->preop.csym, "XYZ")) {
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| 271 |
|
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if (dt <= DTspec)
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| 272 |
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rop->rmp->dtype = DTxyze;
|
| 273 |
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} else if (!strcmp(rop->preop.csym, "RGB")) {
|
| 274 |
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if (dt <= DTspec)
|
| 275 |
|
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rop->rmp->dtype = DTrgbe;
|
| 276 |
|
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} else if (rop->rmp->dtype == DTspec)
|
| 277 |
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rop->rmp->dtype = DTfloat;
|
| 278 |
|
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return(1);
|
| 279 |
|
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}
|
| 280 |
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|
|
| 281 |
|
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static int
|
| 282 |
|
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get_component_xfm(ROPMAT *rop)
|
| 283 |
|
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{
|
| 284 |
|
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int i, j;
|
| 285 |
|
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|
| 286 |
|
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if (rop->rmp != &rop->imx) { /* reset destination matrix */
|
| 287 |
|
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rmx_free(rop->rmp);
|
| 288 |
|
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rop->rmp = &rop->imx;
|
| 289 |
|
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}
|
| 290 |
|
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if (rop->preop.csym && /* symbolic transform? */
|
| 291 |
|
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!checksymbolic(rop))
|
| 292 |
|
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return(0);
|
| 293 |
|
|
/* undo exposure? */
|
| 294 |
|
|
if (fabs(1. - bright(rop->rmp->cexp)) > .025) {
|
| 295 |
|
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if (rop->rmp->ncomp == 1)
|
| 296 |
|
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rop->rmp->cexp[RED] = rop->rmp->cexp[GRN] =
|
| 297 |
|
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rop->rmp->cexp[BLU] = bright(rop->rmp->cexp);
|
| 298 |
|
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if (rop->preop.nsf <= 0) {
|
| 299 |
|
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rop->preop.nsf = i = rop->rmp->ncomp;
|
| 300 |
|
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while (i--)
|
| 301 |
|
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rop->preop.sca[i] = 1.;
|
| 302 |
|
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}
|
| 303 |
|
|
if (rop->preop.nsf == 1) {
|
| 304 |
|
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if (rop->rmp->ncomp == 3) {
|
| 305 |
|
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rop->preop.sca[2] = rop->preop.sca[1] =
|
| 306 |
|
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rop->preop.sca[0];
|
| 307 |
|
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rop->preop.nsf = 3;
|
| 308 |
|
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} else
|
| 309 |
|
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rop->preop.sca[0] /= bright(rop->rmp->cexp);
|
| 310 |
|
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}
|
| 311 |
|
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if (rop->preop.nsf == 3) {
|
| 312 |
|
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opcolor(rop->preop.sca, /=, rop->rmp->cexp);
|
| 313 |
|
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} else if (rop->preop.nsf > 3) { /* punt */
|
| 314 |
|
|
double mult = 1./bright(rop->rmp->cexp);
|
| 315 |
|
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for (i = rop->preop.nsf; i--; )
|
| 316 |
|
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rop->preop.sca[i] *= mult;
|
| 317 |
|
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}
|
| 318 |
|
|
setcolor(rop->rmp->cexp, 1., 1., 1.);
|
| 319 |
|
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}
|
| 320 |
|
|
if (rop->preop.clen > 0) { /* use component transform? */
|
| 321 |
|
|
if (rop->preop.clen % rop->imx.ncomp) {
|
| 322 |
|
|
fprintf(stderr, "%s: -c must have N x %d coefficients\n",
|
| 323 |
|
|
rop->inspec, rop->imx.ncomp);
|
| 324 |
|
|
return(0);
|
| 325 |
|
|
}
|
| 326 |
|
|
if (rop->preop.nsf > 0) { /* scale transform, instead */
|
| 327 |
|
|
if (rop->preop.nsf == 1) {
|
| 328 |
|
|
for (i = rop->preop.clen; i--; )
|
| 329 |
|
|
rop->preop.cmat[i] *= rop->preop.sca[0];
|
| 330 |
|
|
} else if (rop->preop.nsf*rop->imx.ncomp != rop->preop.clen) {
|
| 331 |
|
|
fprintf(stderr, "%s: -s must have one or %d factors\n",
|
| 332 |
|
|
rop->inspec,
|
| 333 |
|
|
rop->preop.clen/rop->imx.ncomp);
|
| 334 |
|
|
return(0);
|
| 335 |
|
|
} else {
|
| 336 |
|
|
for (i = rop->preop.nsf; i--; )
|
| 337 |
|
|
for (j = rop->imx.ncomp; j--; )
|
| 338 |
|
|
rop->preop.cmat[i*rop->imx.ncomp+j]
|
| 339 |
|
|
*= rop->preop.sca[i];
|
| 340 |
|
|
}
|
| 341 |
|
|
}
|
| 342 |
|
|
rop->preop.nsf = 0; /* now folded in */
|
| 343 |
|
|
if (!split_input(rop)) /* get our own struct */
|
| 344 |
|
|
return(0);
|
| 345 |
|
|
rop->rmp->ncomp = rop->preop.clen / rop->imx.ncomp;
|
| 346 |
|
|
if ((rop->rmp->ncomp > 3) & (rop->rmp->dtype <= DTspec)) {
|
| 347 |
|
|
rop->rmp->dtype = DTfloat; /* probably not actual spectrum */
|
| 348 |
|
|
memcpy(rop->rmp->wlpart, WLPART, sizeof(rop->rmp->wlpart));
|
| 349 |
|
|
}
|
| 350 |
|
|
} else if (rop->preop.nsf > 0) { /* else use scalar(s)? */
|
| 351 |
|
|
if (rop->preop.nsf == 1) {
|
| 352 |
|
|
for (i = rop->rmp->ncomp; --i; )
|
| 353 |
|
|
rop->preop.sca[i] = rop->preop.sca[0];
|
| 354 |
|
|
rop->preop.nsf = rop->rmp->ncomp;
|
| 355 |
|
|
} else if (rop->preop.nsf != rop->rmp->ncomp) {
|
| 356 |
|
|
fprintf(stderr, "%s: -s must have one or %d factors\n",
|
| 357 |
|
|
rop->inspec, rop->rmp->ncomp);
|
| 358 |
|
|
return(0);
|
| 359 |
|
|
}
|
| 360 |
|
|
}
|
| 361 |
|
|
return(1);
|
| 362 |
|
|
}
|
| 363 |
|
|
|
| 364 |
|
|
static int
|
| 365 |
|
|
apply_op(RMATRIX *dst, const RMATRIX *src, const RUNARYOP *ro)
|
| 366 |
|
|
{
|
| 367 |
|
|
if (ro->clen > 0) {
|
| 368 |
|
|
RMATRIX *res = rmx_transform(src, dst->ncomp, ro->cmat);
|
| 369 |
|
|
if (!res) {
|
| 370 |
|
|
fputs("Error in call to rmx_transform()\n", stderr);
|
| 371 |
|
|
return(0);
|
| 372 |
|
|
}
|
| 373 |
|
|
if (!rmx_transfer_data(dst, res, 0))
|
| 374 |
|
|
return(0);
|
| 375 |
|
|
rmx_free(res);
|
| 376 |
|
|
} else if (dst != src)
|
| 377 |
|
|
memcpy(dst->mtx, src->mtx,
|
| 378 |
|
|
sizeof(double)*dst->ncomp*dst->ncols*dst->nrows);
|
| 379 |
|
|
if (ro->nsf == dst->ncomp)
|
| 380 |
|
|
rmx_scale(dst, ro->sca);
|
| 381 |
|
|
return(1);
|
| 382 |
|
|
}
|
| 383 |
|
|
|
| 384 |
|
|
static int
|
| 385 |
|
|
open_input(ROPMAT *rop)
|
| 386 |
|
|
{
|
| 387 |
|
|
int outtype;
|
| 388 |
|
|
|
| 389 |
|
|
if (!rop || !rop->inspec || !rop->inspec[0])
|
| 390 |
|
|
return(0);
|
| 391 |
|
|
if (rop->inspec == stdin_name)
|
| 392 |
|
|
rop->infp = stdin;
|
| 393 |
|
|
else if (rop->inspec[0] == '!')
|
| 394 |
|
|
rop->infp = popen(rop->inspec+1, "r");
|
| 395 |
|
|
else
|
| 396 |
|
|
rop->infp = fopen(rop->inspec, "rb");
|
| 397 |
|
|
|
| 398 |
|
|
if (!rmx_load_header(&rop->imx, rop->infp)) {
|
| 399 |
|
|
fprintf(stderr, "Bad header from: %s\n", rop->inspec);
|
| 400 |
|
|
return(0);
|
| 401 |
|
|
}
|
| 402 |
|
|
return(get_component_xfm(rop));
|
| 403 |
|
|
}
|
| 404 |
|
|
|
| 405 |
|
|
/* Return nominal wavelength associated with input component (return nm) */
|
| 406 |
|
|
static double
|
| 407 |
|
|
l_wavelength(char *nam)
|
| 408 |
|
|
{
|
| 409 |
|
|
double comp = argument(1);
|
| 410 |
|
|
|
| 411 |
|
|
if ((comp < -.5) | (comp >= in_ncomp+.5)) {
|
| 412 |
|
|
errno = EDOM;
|
| 413 |
|
|
return(.0);
|
| 414 |
|
|
}
|
| 415 |
|
|
if (comp < .5) /* asking for #components? */
|
| 416 |
|
|
return(in_ncomp);
|
| 417 |
|
|
|
| 418 |
|
|
if (in_ncomp == 3) { /* special case for RGB */
|
| 419 |
|
|
const int w0 = (int)(comp - .5);
|
| 420 |
|
|
return(mop[0].rmp->wlpart[w0] +
|
| 421 |
|
|
(comp-.5)*(mop[0].rmp->wlpart[w0+1] -
|
| 422 |
|
|
mop[0].rmp->wlpart[w0]));
|
| 423 |
|
|
}
|
| 424 |
|
|
return(mop[0].rmp->wlpart[0] + /* general case, even div. */
|
| 425 |
|
|
(comp-.5)/(double)in_ncomp *
|
| 426 |
|
|
(mop[0].rmp->wlpart[3] - mop[0].rmp->wlpart[0]));
|
| 427 |
|
|
}
|
| 428 |
|
|
|
| 429 |
|
|
/* Return ith input with optional channel selector */
|
| 430 |
|
|
static double
|
| 431 |
|
|
l_chanin(char *nam)
|
| 432 |
|
|
{
|
| 433 |
|
|
double inp = argument(1);
|
| 434 |
|
|
int mi, chan;
|
| 435 |
|
|
|
| 436 |
|
|
if ((mi = (int)(inp-.5)) < 0 || mi >= nmats) {
|
| 437 |
|
|
errno = EDOM;
|
| 438 |
|
|
return(.0);
|
| 439 |
|
|
}
|
| 440 |
|
|
if (inp < .5) /* asking for #inputs? */
|
| 441 |
|
|
return(nmats);
|
| 442 |
|
|
|
| 443 |
|
|
if (nargum() >= 2) {
|
| 444 |
|
|
double cval = argument(2);
|
| 445 |
|
|
if (cval < .5 || (chan = (int)(cval-.5)) >= in_ncomp) {
|
| 446 |
|
|
errno = EDOM;
|
| 447 |
|
|
return(.0);
|
| 448 |
|
|
}
|
| 449 |
|
|
} else
|
| 450 |
|
|
chan = cur_chan;
|
| 451 |
|
|
|
| 452 |
|
|
return(mop[mi].rmp->mtx[cur_col*in_ncomp + chan]);
|
| 453 |
|
|
}
|
| 454 |
|
|
|
| 455 |
|
|
static int
|
| 456 |
|
|
initialize(RMATRIX *imp)
|
| 457 |
|
|
{
|
| 458 |
|
|
int i;
|
| 459 |
|
|
/* XXX struct is zeroed coming in */
|
| 460 |
|
|
setcolor(imp->cexp, 1.f, 1.f, 1.f);
|
| 461 |
|
|
for (i = 0; i < nmats; i++) { /* open each input */
|
| 462 |
|
|
int restype;
|
| 463 |
|
|
if (!open_input(&mop[i]))
|
| 464 |
|
|
return(0);
|
| 465 |
|
|
restype = mop[i].rmp->dtype;
|
| 466 |
|
|
if (!imp->dtype || (restype = rmx_newtype(restype, imp->dtype)) > 0)
|
| 467 |
|
|
imp->dtype = restype;
|
| 468 |
|
|
else
|
| 469 |
|
|
fprintf(stderr, "%s: warning - data type mismatch\n",
|
| 470 |
|
|
mop[i].inspec);
|
| 471 |
|
|
if (!i) {
|
| 472 |
|
|
imp->nrows = in_nrows = mop[0].rmp->nrows;
|
| 473 |
|
|
imp->ncols = mop[0].rmp->ncols;
|
| 474 |
|
|
imp->ncomp = mop[0].rmp->ncomp;
|
| 475 |
|
|
memcpy(imp->wlpart, mop[0].rmp->wlpart, sizeof(imp->wlpart));
|
| 476 |
|
|
} else if ((mop[i].rmp->nrows != imp->nrows) |
|
| 477 |
|
|
(mop[i].rmp->ncols != imp->ncols) |
|
| 478 |
|
|
(mop[i].rmp->ncomp != imp->ncomp)) {
|
| 479 |
|
|
fprintf(stderr, "%s: mismatch in size or #components\n",
|
| 480 |
|
|
mop[i].inspec);
|
| 481 |
|
|
return(0);
|
| 482 |
|
|
} /* XXX should check wlpart? */
|
| 483 |
|
|
} /* set up .cal environment */
|
| 484 |
|
|
esupport |= E_VARIABLE|E_FUNCTION|E_RCONST;
|
| 485 |
|
|
esupport &= ~(E_OUTCHAN|E_INCHAN);
|
| 486 |
|
|
varset("PI", ':', M_PI);
|
| 487 |
|
|
varset("nfiles", ':', nmats);
|
| 488 |
|
|
varset("nrows", ':', in_nrows);
|
| 489 |
|
|
varset("ncols", ':', in_ncols);
|
| 490 |
|
|
varset("ncomp", ':', in_ncomp);
|
| 491 |
|
|
varset("R", ':', 1.);
|
| 492 |
|
|
varset("G", ':', 2.);
|
| 493 |
|
|
varset("B", ':', 3.);
|
| 494 |
|
|
funset("wl", 1, ':', l_wavelength);
|
| 495 |
|
|
funset("ci", 1, '=', l_chanin);
|
| 496 |
|
|
scompile("ri(i)=ci(i,R);gi(i)=ci(i,G);bi(i)=ci(i,B)", NULL, 0);
|
| 497 |
|
|
return(1);
|
| 498 |
|
|
}
|
| 499 |
|
|
|
| 500 |
|
|
static void
|
| 501 |
|
|
output_headinfo(FILE *fp)
|
| 502 |
|
|
{
|
| 503 |
|
|
int i;
|
| 504 |
|
|
|
| 505 |
|
|
for (i = 0; i < nmats; i++) {
|
| 506 |
|
|
const char *cp = mop[i].imx.info;
|
| 507 |
|
|
fputs(mop[i].inspec, fp);
|
| 508 |
|
|
fputs(":\n", fp);
|
| 509 |
|
|
if (!cp) continue;
|
| 510 |
|
|
while (*cp) {
|
| 511 |
|
|
if (*cp == '\n') {
|
| 512 |
|
|
cp++; /* avoid inadvertant terminus */
|
| 513 |
|
|
continue;
|
| 514 |
|
|
}
|
| 515 |
|
|
fputc('\t', fp); /* indent this input's info */
|
| 516 |
|
|
do
|
| 517 |
|
|
putc(*cp, fp);
|
| 518 |
|
|
while (*cp++ != '\n');
|
| 519 |
|
|
}
|
| 520 |
|
|
}
|
| 521 |
|
|
}
|
| 522 |
|
|
|
| 523 |
|
|
static int
|
| 524 |
|
|
combine_input(ROPMAT *res, FILE *fout)
|
| 525 |
|
|
{
|
| 526 |
|
|
int set_r, set_c;
|
| 527 |
|
|
RMATRIX *tmp = NULL;
|
| 528 |
|
|
int co_set;
|
| 529 |
|
|
int i;
|
| 530 |
|
|
/* allocate input row buffers */
|
| 531 |
|
|
for (i = 0; i < nmats; i++) {
|
| 532 |
|
|
mop[i].imx.nrows = 1; /* we'll be doing a row at a time */
|
| 533 |
|
|
if (!rmx_prepare(&mop[i].imx))
|
| 534 |
|
|
goto memerror;
|
| 535 |
|
|
if (mop[i].rmp != &mop[i].imx) {
|
| 536 |
|
|
mop[i].rmp->nrows = 1;
|
| 537 |
|
|
if (!rmx_prepare(mop[i].rmp))
|
| 538 |
|
|
goto memerror;
|
| 539 |
|
|
}
|
| 540 |
|
|
}
|
| 541 |
|
|
/* prep output row buffers */
|
| 542 |
|
|
if (mcat || res->preop.clen > 0) {
|
| 543 |
|
|
if (!split_input(res)) /* need separate buffer */
|
| 544 |
|
|
return(0);
|
| 545 |
|
|
if (res->preop.clen > 0)
|
| 546 |
|
|
res->rmp->ncomp = res->preop.clen / res->imx.ncomp;
|
| 547 |
|
|
res->rmp->nrows = 1;
|
| 548 |
|
|
if (!mcat | !mcat_last && !rmx_prepare(res->rmp))
|
| 549 |
|
|
goto memerror;
|
| 550 |
|
|
}
|
| 551 |
|
|
if (mcat && mcat_last &&
|
| 552 |
|
|
!(tmp = rmx_alloc(1, res->imx.ncols, res->rmp->ncomp)))
|
| 553 |
|
|
goto memerror;
|
| 554 |
|
|
res->imx.nrows = 1;
|
| 555 |
|
|
if (!rmx_prepare(&res->imx))
|
| 556 |
|
|
goto memerror;
|
| 557 |
|
|
/* figure out what the user set */
|
| 558 |
|
|
co_set = fundefined("co");
|
| 559 |
|
|
if (!co_set)
|
| 560 |
|
|
co_set = -vardefined("co");
|
| 561 |
|
|
if (!co_set & (in_ncomp == 3) && vardefined("ro") &&
|
| 562 |
|
|
vardefined("go") && vardefined("bo")) {
|
| 563 |
|
|
scompile("co(p)=select(p,ro,go,bo)", NULL, 0);
|
| 564 |
|
|
co_set = 1;
|
| 565 |
|
|
}
|
| 566 |
|
|
if (co_set) { /* set if user wants, didn't set */
|
| 567 |
|
|
set_r = varlookup("r") != NULL && !vardefined("r");
|
| 568 |
|
|
set_c = varlookup("c") != NULL && !vardefined("c");
|
| 569 |
|
|
} else /* save a little time */
|
| 570 |
|
|
set_r = set_c = 0;
|
| 571 |
|
|
/* read/process row-by-row */
|
| 572 |
|
|
for (cur_row = 0; cur_row < in_nrows; cur_row++) {
|
| 573 |
|
|
RMATRIX *mres = NULL;
|
| 574 |
|
|
for (i = 0; i < nmats; i++) {
|
| 575 |
|
|
if (!rmx_load_row(mop[i].imx.mtx, &mop[i].imx, mop[i].infp)) {
|
| 576 |
|
|
fprintf(stderr, "%s: read error at row %d\n",
|
| 577 |
|
|
mop[i].inspec, cur_row);
|
| 578 |
|
|
return(0);
|
| 579 |
|
|
}
|
| 580 |
|
|
if (!apply_op(mop[i].rmp, &mop[i].imx, &mop[i].preop))
|
| 581 |
|
|
return(0);
|
| 582 |
|
|
}
|
| 583 |
|
|
if (set_r) varset("r", '=', cur_row);
|
| 584 |
|
|
for (cur_col = 0; cur_col < in_ncols; cur_col++) {
|
| 585 |
|
|
if (set_c) varset("c", '=', cur_col);
|
| 586 |
|
|
for (cur_chan = 0; cur_chan < in_ncomp; cur_chan++) {
|
| 587 |
|
|
const int ndx = cur_col*in_ncomp + cur_chan;
|
| 588 |
|
|
eclock++;
|
| 589 |
|
|
if (!co_set) { /* just summing elements? */
|
| 590 |
|
|
res->imx.mtx[ndx] = 0;
|
| 591 |
|
|
for (i = nmats; i--; )
|
| 592 |
|
|
res->imx.mtx[ndx] += mop[i].rmp->mtx[ndx];
|
| 593 |
|
|
} else if (co_set > 0) {
|
| 594 |
|
|
double dchan = cur_chan+1;
|
| 595 |
|
|
res->imx.mtx[ndx] = funvalue("co", 1, &dchan);
|
| 596 |
|
|
} else
|
| 597 |
|
|
res->imx.mtx[ndx] = varvalue("co");
|
| 598 |
|
|
}
|
| 599 |
|
|
} /* final conversions */
|
| 600 |
|
|
if (!mcat) {
|
| 601 |
|
|
if (!apply_op(res->rmp, &res->imx, &res->preop))
|
| 602 |
|
|
return(0);
|
| 603 |
|
|
} else if (mcat_last) {
|
| 604 |
|
|
if (!apply_op(tmp, &res->imx, &res->preop))
|
| 605 |
|
|
return(0);
|
| 606 |
|
|
mres = rmx_multiply(tmp, mcat);
|
| 607 |
|
|
if (!mres)
|
| 608 |
|
|
goto multerror;
|
| 609 |
|
|
if (!rmx_transfer_data(res->rmp, mres, 0))
|
| 610 |
|
|
return(0);
|
| 611 |
|
|
} else /* mcat && !mcat_last */ {
|
| 612 |
|
|
mres = rmx_multiply(&res->imx, mcat);
|
| 613 |
|
|
if (!mres)
|
| 614 |
|
|
goto multerror;
|
| 615 |
|
|
if (!apply_op(res->rmp, mres, &res->preop))
|
| 616 |
|
|
return(0);
|
| 617 |
|
|
}
|
| 618 |
|
|
rmx_free(mres); mres = NULL;
|
| 619 |
|
|
if (!rmx_write_data(res->rmp->mtx, res->rmp->ncomp,
|
| 620 |
|
|
res->rmp->ncols, res->rmp->dtype, fout))
|
| 621 |
|
|
return(0);
|
| 622 |
|
|
}
|
| 623 |
|
|
#if 0 /* we're about to exit, so who cares? */
|
| 624 |
|
|
rmx_free(tmp); /* clean up */
|
| 625 |
|
|
rmx_reset(res->rmp);
|
| 626 |
|
|
rmx_reset(&res->imx);
|
| 627 |
|
|
for (i = 0; i < nmats; i++) {
|
| 628 |
|
|
rmx_reset(mop[i].rmp);
|
| 629 |
|
|
rmx_reset(&mop[i].imx);
|
| 630 |
|
|
if (mop[i].inspec[0] == '!')
|
| 631 |
|
|
pclose(mop[i].infp);
|
| 632 |
|
|
else if (mop[i].inspec != stdin_name)
|
| 633 |
|
|
fclose(mop[i].infp);
|
| 634 |
|
|
mop[i].infp = NULL;
|
| 635 |
|
|
}
|
| 636 |
|
|
#endif
|
| 637 |
|
|
return(fflush(fout) != EOF);
|
| 638 |
|
|
memerror:
|
| 639 |
|
|
fputs("Out of buffer space in combine_input()\n", stderr);
|
| 640 |
|
|
return(0);
|
| 641 |
|
|
multerror:
|
| 642 |
|
|
fputs("Unexpected matrix multiply error in combine_input()\n", stderr);
|
| 643 |
|
|
return(0);
|
| 644 |
|
|
}
|
| 645 |
|
|
|
| 646 |
|
|
static int
|
| 647 |
|
|
get_factors(double da[], int n, char *av[])
|
| 648 |
|
|
{
|
| 649 |
|
|
int ac;
|
| 650 |
|
|
|
| 651 |
|
|
for (ac = 0; ac < n && isflt(av[ac]); ac++)
|
| 652 |
|
|
da[ac] = atof(av[ac]);
|
| 653 |
|
|
return(ac);
|
| 654 |
|
|
}
|
| 655 |
|
|
|
| 656 |
|
|
static void
|
| 657 |
|
|
resize_inparr(int n2alloc)
|
| 658 |
|
|
{
|
| 659 |
|
|
int i;
|
| 660 |
|
|
|
| 661 |
|
|
for (i = nmats; i > n2alloc; i--) {
|
| 662 |
|
|
rmx_reset(&mop[i].imx);
|
| 663 |
|
|
if (mop[i].rmp != &mop[i].imx)
|
| 664 |
|
|
rmx_free(mop[i].rmp);
|
| 665 |
|
|
}
|
| 666 |
|
|
mop = (ROPMAT *)realloc(mop, n2alloc*sizeof(ROPMAT));
|
| 667 |
|
|
if (mop == NULL) {
|
| 668 |
|
|
fputs("Out of memory in resize_inparr()\n", stderr);
|
| 669 |
|
|
exit(1);
|
| 670 |
|
|
}
|
| 671 |
|
|
if (n2alloc > nmats)
|
| 672 |
|
|
memset(mop+nmats, 0, (n2alloc-nmats)*sizeof(ROPMAT));
|
| 673 |
|
|
nall = n2alloc;
|
| 674 |
|
|
}
|
| 675 |
|
|
|
| 676 |
|
|
/* Load one or more matrices and operate on them, sending results to stdout */
|
| 677 |
|
|
int
|
| 678 |
|
|
main(int argc, char *argv[])
|
| 679 |
|
|
{
|
| 680 |
|
|
|
| 681 |
|
|
int outfmt = DTfromHeader;
|
| 682 |
|
|
const char *defCsym = NULL;
|
| 683 |
|
|
int echoheader = 1;
|
| 684 |
|
|
int stdin_used = 0;
|
| 685 |
|
|
const char *mcat_spec = NULL;
|
| 686 |
|
|
int n2comp = 0;
|
| 687 |
|
|
uby8 comp_ndx[128];
|
| 688 |
|
|
int i;
|
| 689 |
|
|
/* get starting input array */
|
| 690 |
|
|
mop = (ROPMAT *)calloc(nall=2, sizeof(ROPMAT));
|
| 691 |
|
|
/* get options and arguments */
|
| 692 |
|
|
for (i = 1; i < argc; i++)
|
| 693 |
|
|
if (argv[i][0] != '-' || !argv[i][1]) {
|
| 694 |
|
|
if (argv[i][0] == '-') {
|
| 695 |
|
|
if (stdin_used++) goto stdin_error;
|
| 696 |
|
|
mop[nmats].inspec = stdin_name;
|
| 697 |
|
|
} else
|
| 698 |
|
|
mop[nmats].inspec = argv[i];
|
| 699 |
|
|
if (!mop[nmats].preop.csym)
|
| 700 |
|
|
mop[nmats].preop.csym = defCsym;
|
| 701 |
|
|
if (++nmats >= nall)
|
| 702 |
|
|
resize_inparr(nmats + (nmats>>2) + 2);
|
| 703 |
|
|
} else {
|
| 704 |
|
|
int n = argc-1 - i;
|
| 705 |
|
|
switch (argv[i][1]) { /* get option */
|
| 706 |
|
|
case 'w':
|
| 707 |
|
|
nowarn = !nowarn;
|
| 708 |
|
|
break;
|
| 709 |
|
|
case 'h':
|
| 710 |
|
|
echoheader = !echoheader;
|
| 711 |
|
|
break;
|
| 712 |
|
|
case 'e':
|
| 713 |
|
|
if (!n) goto userr;
|
| 714 |
|
|
comp_ndx[n2comp++] = i++;
|
| 715 |
|
|
break;
|
| 716 |
|
|
case 'f':
|
| 717 |
|
|
switch (argv[i][2]) {
|
| 718 |
|
|
case '\0':
|
| 719 |
|
|
if (!n) goto userr;
|
| 720 |
|
|
comp_ndx[n2comp++] = i++;
|
| 721 |
|
|
break;
|
| 722 |
|
|
case 'd':
|
| 723 |
|
|
outfmt = DTdouble;
|
| 724 |
|
|
break;
|
| 725 |
|
|
case 'f':
|
| 726 |
|
|
outfmt = DTfloat;
|
| 727 |
|
|
break;
|
| 728 |
|
|
case 'a':
|
| 729 |
|
|
outfmt = DTascii;
|
| 730 |
|
|
break;
|
| 731 |
|
|
case 'c':
|
| 732 |
|
|
outfmt = DTrgbe;
|
| 733 |
|
|
break;
|
| 734 |
|
|
default:
|
| 735 |
|
|
goto userr;
|
| 736 |
|
|
}
|
| 737 |
|
|
break;
|
| 738 |
|
|
case 's':
|
| 739 |
|
|
if (n > MAXCOMP) n = MAXCOMP;
|
| 740 |
|
|
i += mop[nmats].preop.nsf =
|
| 741 |
|
|
get_factors(mop[nmats].preop.sca,
|
| 742 |
|
|
n, argv+i+1);
|
| 743 |
|
|
if (mop[nmats].preop.nsf <= 0) {
|
| 744 |
|
|
fprintf(stderr, "%s: -s missing arguments\n",
|
| 745 |
|
|
argv[0]);
|
| 746 |
|
|
goto userr;
|
| 747 |
|
|
}
|
| 748 |
|
|
break;
|
| 749 |
|
|
case 'C':
|
| 750 |
|
|
if (!n || isflt(argv[i+1]))
|
| 751 |
|
|
goto userr;
|
| 752 |
|
|
defCsym = mop[nmats].preop.csym = argv[++i];
|
| 753 |
|
|
mop[nmats].preop.clen = 0;
|
| 754 |
|
|
mcat_last = 0;
|
| 755 |
|
|
break;
|
| 756 |
|
|
case 'c':
|
| 757 |
|
|
if (n && !isflt(argv[i+1])) {
|
| 758 |
|
|
mop[nmats].preop.csym = argv[++i];
|
| 759 |
|
|
mop[nmats].preop.clen = 0;
|
| 760 |
|
|
break;
|
| 761 |
|
|
}
|
| 762 |
|
|
if (n > MAXCOMP*MAXCOMP) n = MAXCOMP*MAXCOMP;
|
| 763 |
|
|
i += mop[nmats].preop.clen =
|
| 764 |
|
|
get_factors(mop[nmats].preop.cmat,
|
| 765 |
|
|
n, argv+i+1);
|
| 766 |
|
|
if (mop[nmats].preop.clen <= 0) {
|
| 767 |
|
|
fprintf(stderr, "%s: -c missing arguments\n",
|
| 768 |
|
|
argv[0]);
|
| 769 |
|
|
goto userr;
|
| 770 |
|
|
}
|
| 771 |
|
|
mop[nmats].preop.csym = NULL;
|
| 772 |
|
|
mcat_last = 0;
|
| 773 |
|
|
break;
|
| 774 |
|
|
case 'm':
|
| 775 |
|
|
if (!n) goto userr;
|
| 776 |
|
|
if (argv[++i][0] == '-' && !argv[i][1]) {
|
| 777 |
|
|
if (stdin_used++) goto stdin_error;
|
| 778 |
|
|
mcat_spec = stdin_name;
|
| 779 |
|
|
} else
|
| 780 |
|
|
mcat_spec = argv[i];
|
| 781 |
|
|
mcat_last = 1;
|
| 782 |
|
|
break;
|
| 783 |
|
|
default:
|
| 784 |
|
|
fprintf(stderr, "%s: unknown option '%s'\n",
|
| 785 |
|
|
argv[0], argv[i]);
|
| 786 |
|
|
goto userr;
|
| 787 |
|
|
}
|
| 788 |
|
|
}
|
| 789 |
|
|
if (!nmats) {
|
| 790 |
|
|
fprintf(stderr, "%s: need at least one input matrix\n", argv[0]);
|
| 791 |
|
|
goto userr;
|
| 792 |
|
|
}
|
| 793 |
|
|
resize_inparr(nmats+1); /* extra matrix at end for result */
|
| 794 |
|
|
mop[nmats].inspec = "trailing_ops";
|
| 795 |
|
|
/* load final concatenation matrix */
|
| 796 |
|
|
if (mcat_spec && !(mcat = rmx_load(mcat_spec, RMPnone))) {
|
| 797 |
|
|
fprintf(stderr, "%s: error loading concatenation matrix: %s\n",
|
| 798 |
|
|
argv[0], mcat_spec);
|
| 799 |
|
|
return(1);
|
| 800 |
|
|
}
|
| 801 |
|
|
/* get/check inputs, set constants */
|
| 802 |
|
|
if (!initialize(&mop[nmats].imx))
|
| 803 |
|
|
return(1);
|
| 804 |
|
|
|
| 805 |
|
|
for (i = 0; i < n2comp; i++) /* user .cal files and expressions */
|
| 806 |
|
|
if (argv[comp_ndx[i]][1] == 'f') {
|
| 807 |
|
|
char *fpath = getpath(argv[comp_ndx[i]+1],
|
| 808 |
|
|
getrlibpath(), 0);
|
| 809 |
|
|
if (fpath == NULL) {
|
| 810 |
|
|
fprintf(stderr, "%s: cannot find file '%s'\n",
|
| 811 |
|
|
argv[0], argv[comp_ndx[i]+1]);
|
| 812 |
|
|
return(1);
|
| 813 |
|
|
}
|
| 814 |
|
|
fcompile(fpath);
|
| 815 |
|
|
} else /* (argv[comp_ndx[i]][1] == 'e') */
|
| 816 |
|
|
scompile(argv[comp_ndx[i]+1], NULL, 0);
|
| 817 |
|
|
|
| 818 |
|
|
/* get trailing color transform */
|
| 819 |
|
|
if (!get_component_xfm(&mop[nmats]))
|
| 820 |
|
|
return(1);
|
| 821 |
|
|
/* adjust output dimensions and #components */
|
| 822 |
|
|
if (mcat) {
|
| 823 |
|
|
if (mop[nmats].imx.ncols != mcat->nrows) {
|
| 824 |
|
|
fprintf(stderr,
|
| 825 |
|
|
"%s: number of input columns does not match number of rows in '%s'\n",
|
| 826 |
|
|
argv[0], mcat_spec);
|
| 827 |
|
|
return(1);
|
| 828 |
|
|
}
|
| 829 |
|
|
if (mcat->ncomp != (mcat_last ? mop[nmats].rmp->ncomp : mop[nmats].imx.ncomp)) {
|
| 830 |
|
|
fprintf(stderr,
|
| 831 |
|
|
"%s: number of components does not match those in '%s'\n",
|
| 832 |
|
|
argv[0], mcat_spec);
|
| 833 |
|
|
return(1);
|
| 834 |
|
|
}
|
| 835 |
|
|
if (!split_input(&mop[nmats]))
|
| 836 |
|
|
return(1);
|
| 837 |
|
|
mop[nmats].rmp->ncols = mcat->ncols;
|
| 838 |
|
|
}
|
| 839 |
|
|
newheader("RADIANCE", stdout); /* write output header */
|
| 840 |
|
|
if (echoheader)
|
| 841 |
|
|
output_headinfo(stdout);
|
| 842 |
|
|
printargs(argc, argv, stdout);
|
| 843 |
|
|
fputnow(stdout);
|
| 844 |
|
|
mop[nmats].rmp->dtype = rmx_write_header(mop[nmats].rmp, outfmt, stdout);
|
| 845 |
|
|
if (!mop[nmats].rmp->dtype) {
|
| 846 |
|
|
fprintf(stderr, "%s: unsupported output format\n", argv[0]);
|
| 847 |
|
|
return(1);
|
| 848 |
|
|
}
|
| 849 |
|
|
/* process & write rows */
|
| 850 |
|
|
return(combine_input(&mop[nmats], stdout) ? 0 : 1);
|
| 851 |
|
|
stdin_error:
|
| 852 |
|
|
fprintf(stderr, "%s: %s used for more than one input\n",
|
| 853 |
|
|
argv[0], stdin_name);
|
| 854 |
|
|
return(1);
|
| 855 |
|
|
userr:
|
| 856 |
|
|
fprintf(stderr,
|
| 857 |
|
|
"Usage: %s [-h][-f{adfc}][-e expr][-f file][-s sf .. | -c ce ..] m1 .. -m mcat > mres\n",
|
| 858 |
|
|
argv[0]);
|
| 859 |
|
|
return(1);
|
| 860 |
|
|
}
|
