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greg |
2.1 |
#ifndef lint |
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static const char RCSid[] = "$Id: rmtxop.c,v 2.25 2023/11/29 18:57:10 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) & (refm.dtype != DTspec)) { |
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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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| 109 |
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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); |
| 113 |
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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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{ |
| 138 |
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const int nc = rop->imx.ncomp; |
| 139 |
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const float * wlp = rop->imx.wlpart; |
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int i; |
| 141 |
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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; |
| 156 |
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const float * wlp = rop->imx.wlpart; |
| 157 |
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int i; |
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| 159 |
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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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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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/* 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; |
| 189 |
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int i, j; |
| 190 |
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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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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); |
| 198 |
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} |
| 199 |
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rop->preop.clen = strlen(rop->preop.csym) * nc; |
| 200 |
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if (rop->preop.clen > MAXCOMP*MAXCOMP) { |
| 201 |
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fprintf(stderr, "%s: -c '%s' results in too many components\n", |
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rop->inspec, rop->preop.csym); |
| 203 |
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return(0); |
| 204 |
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} |
| 205 |
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for (j = 0; rop->preop.csym[j]; j++) { |
| 206 |
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int comp = 0; |
| 207 |
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switch (rop->preop.csym[j]) { |
| 208 |
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case 'B': |
| 209 |
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++comp; |
| 210 |
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/* fall through */ |
| 211 |
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case 'G': |
| 212 |
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++comp; |
| 213 |
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/* fall through */ |
| 214 |
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case 'R': |
| 215 |
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if (dt == DTxyze) { |
| 216 |
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for (i = 3; i--; ) |
| 217 |
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rop->preop.cmat[j*nc+i] = 1./WHTEFFICACY * |
| 218 |
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xyz2rgbmat[comp][i]; |
| 219 |
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} else if (nc == 3) |
| 220 |
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rop->preop.cmat[j*nc+comp] = 1.; |
| 221 |
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else |
| 222 |
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rgbrow(rop, j, comp); |
| 223 |
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break; |
| 224 |
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case 'Z': |
| 225 |
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++comp; |
| 226 |
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/* fall through */ |
| 227 |
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case 'Y': |
| 228 |
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++comp; |
| 229 |
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/* fall through */ |
| 230 |
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case 'X': |
| 231 |
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if (dt == DTxyze) { |
| 232 |
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rop->preop.cmat[j*nc+comp] = 1.; |
| 233 |
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} else if (nc == 3) { |
| 234 |
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for (i = 3; i--; ) |
| 235 |
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rop->preop.cmat[j*nc+i] = |
| 236 |
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rgb2xyzmat[comp][i]; |
| 237 |
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} else if (comp == CIEY) |
| 238 |
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sensrow(rop, j, scolor2photopic); |
| 239 |
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else |
| 240 |
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xyzrow(rop, j, comp); |
| 241 |
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| 242 |
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for (i = nc*(dt != DTxyze); i--; ) |
| 243 |
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rop->preop.cmat[j*nc+i] *= WHTEFFICACY; |
| 244 |
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break; |
| 245 |
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case 'S': /* scotopic (il)luminance */ |
| 246 |
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sensrow(rop, j, scolor2scotopic); |
| 247 |
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for (i = nc; i--; ) |
| 248 |
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rop->preop.cmat[j*nc+i] *= WHTSCOTOPIC; |
| 249 |
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break; |
| 250 |
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case 'M': /* melanopic (il)luminance */ |
| 251 |
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sensrow(rop, j, scolor2melanopic); |
| 252 |
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for (i = nc; i--; ) |
| 253 |
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rop->preop.cmat[j*nc+i] *= WHTMELANOPIC; |
| 254 |
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break; |
| 255 |
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case 'A': /* average component */ |
| 256 |
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for (i = nc; i--; ) |
| 257 |
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rop->preop.cmat[j*nc+i] = 1./(double)nc; |
| 258 |
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break; |
| 259 |
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default: |
| 260 |
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fprintf(stderr, "%s: -c '%c' unsupported\n", |
| 261 |
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rop->inspec, rop->preop.csym[j]); |
| 262 |
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return(0); |
| 263 |
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} |
| 264 |
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} |
| 265 |
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if (!split_input(rop)) /* get our own struct */ |
| 266 |
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return(0); |
| 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; |
| 269 |
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/* decide on output type */ |
| 270 |
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if (!strcmp(rop->preop.csym, "XYZ")) { |
| 271 |
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if (dt <= DTspec) |
| 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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} |
| 277 |
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if (rop->rmp->dtype == DTspec) |
| 278 |
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rop->rmp->dtype = DTfloat; |
| 279 |
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return(1); |
| 280 |
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} |
| 281 |
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| 282 |
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static int |
| 283 |
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get_component_xfm(ROPMAT *rop) |
| 284 |
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{ |
| 285 |
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int i, j; |
| 286 |
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| 287 |
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if (rop->rmp != &rop->imx) { /* reset destination matrix */ |
| 288 |
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rmx_free(rop->rmp); |
| 289 |
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rop->rmp = &rop->imx; |
| 290 |
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} |
| 291 |
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if (rop->preop.csym && /* symbolic transform? */ |
| 292 |
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!checksymbolic(rop)) |
| 293 |
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return(0); |
| 294 |
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/* undo exposure? */ |
| 295 |
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if (fabs(1. - bright(rop->rmp->cexp)) > .025) { |
| 296 |
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if (rop->rmp->ncomp == 1) |
| 297 |
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rop->rmp->cexp[RED] = rop->rmp->cexp[GRN] = |
| 298 |
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rop->rmp->cexp[BLU] = bright(rop->rmp->cexp); |
| 299 |
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if (rop->preop.nsf <= 0) { |
| 300 |
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rop->preop.nsf = i = rop->rmp->ncomp; |
| 301 |
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while (i--) |
| 302 |
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rop->preop.sca[i] = 1.; |
| 303 |
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} |
| 304 |
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if (rop->preop.nsf == 1) |
| 305 |
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rop->preop.sca[0] /= rop->rmp->cexp[GRN]; |
| 306 |
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else if (rop->preop.nsf == 3) |
| 307 |
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opcolor(rop->preop.sca, /=, rop->rmp->cexp); |
| 308 |
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else if (rop->preop.nsf > 3) { /* punt */ |
| 309 |
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double mult = 1./bright(rop->rmp->cexp); |
| 310 |
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for (i = rop->preop.nsf; i--; ) |
| 311 |
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rop->preop.sca[i] *= mult; |
| 312 |
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} |
| 313 |
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setcolor(rop->rmp->cexp, 1., 1., 1.); |
| 314 |
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} |
| 315 |
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if (rop->preop.clen > 0) { /* use component transform? */ |
| 316 |
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if (rop->preop.clen % rop->imx.ncomp) { |
| 317 |
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fprintf(stderr, "%s: -c must have N x %d coefficients\n", |
| 318 |
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rop->inspec, rop->imx.ncomp); |
| 319 |
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return(0); |
| 320 |
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} |
| 321 |
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if (rop->preop.nsf > 0) { /* scale transform, instead */ |
| 322 |
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if (rop->preop.nsf == 1) { |
| 323 |
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for (i = rop->preop.clen; i--; ) |
| 324 |
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rop->preop.cmat[i] *= rop->preop.sca[0]; |
| 325 |
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} else if (rop->preop.nsf*rop->imx.ncomp != rop->preop.clen) { |
| 326 |
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fprintf(stderr, "%s: -s must have one or %d factors\n", |
| 327 |
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rop->inspec, |
| 328 |
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rop->preop.clen/rop->imx.ncomp); |
| 329 |
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return(0); |
| 330 |
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} else { |
| 331 |
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for (i = rop->preop.nsf; i--; ) |
| 332 |
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for (j = rop->imx.ncomp; j--; ) |
| 333 |
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rop->preop.cmat[i*rop->imx.ncomp+j] |
| 334 |
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*= rop->preop.sca[i]; |
| 335 |
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} |
| 336 |
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} |
| 337 |
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rop->preop.nsf = 0; /* now folded in */ |
| 338 |
|
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if (!split_input(rop)) /* get our own struct */ |
| 339 |
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return(0); |
| 340 |
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rop->rmp->ncomp = rop->preop.clen / rop->imx.ncomp; |
| 341 |
|
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if (rop->rmp->dtype <= DTspec) |
| 342 |
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rop->rmp->dtype = DTfloat; /* probably not actual spectrum */ |
| 343 |
|
|
} else if (rop->preop.nsf > 0) { /* else use scalar(s)? */ |
| 344 |
|
|
if (rop->preop.nsf == 1) { |
| 345 |
|
|
for (i = rop->rmp->ncomp; --i; ) |
| 346 |
|
|
rop->preop.sca[i] = rop->preop.sca[0]; |
| 347 |
|
|
rop->preop.nsf = rop->rmp->ncomp; |
| 348 |
|
|
} else if (rop->preop.nsf != rop->rmp->ncomp) { |
| 349 |
|
|
fprintf(stderr, "%s: -s must have one or %d factors\n", |
| 350 |
|
|
rop->inspec, rop->rmp->ncomp); |
| 351 |
|
|
return(0); |
| 352 |
|
|
} |
| 353 |
|
|
} |
| 354 |
|
|
return(1); |
| 355 |
|
|
} |
| 356 |
|
|
|
| 357 |
|
|
static int |
| 358 |
|
|
apply_op(RMATRIX *dst, const RMATRIX *src, const RUNARYOP *ro) |
| 359 |
|
|
{ |
| 360 |
|
|
/* |
| 361 |
|
|
if (!dst | !src | !ro || (dst->nrows != src->nrows) | |
| 362 |
|
|
(dst->ncols != src->ncols)) |
| 363 |
|
|
return(0); |
| 364 |
|
|
*/ |
| 365 |
|
|
if (ro->clen > 0) { |
| 366 |
|
|
RMATRIX *res = rmx_transform(src, dst->ncomp, ro->cmat); |
| 367 |
|
|
if (!res) { |
| 368 |
|
|
fputs("Error in call to rmx_transform()\n", stderr); |
| 369 |
|
|
return(0); |
| 370 |
|
|
} |
| 371 |
|
|
if (dst->mtx) free(dst->mtx); |
| 372 |
|
|
dst->mtx = res->mtx; res->mtx = NULL; |
| 373 |
|
|
rmx_free(res); |
| 374 |
|
|
} else if (dst != src) |
| 375 |
|
|
memcpy(dst->mtx, src->mtx, |
| 376 |
|
|
sizeof(double)*dst->ncomp*dst->ncols*dst->nrows); |
| 377 |
|
|
if (ro->nsf == dst->ncomp) |
| 378 |
|
|
rmx_scale(dst, ro->sca); |
| 379 |
|
|
return(1); |
| 380 |
|
|
} |
| 381 |
|
|
|
| 382 |
|
|
static int |
| 383 |
|
|
open_input(ROPMAT *rop) |
| 384 |
|
|
{ |
| 385 |
|
|
int outtype; |
| 386 |
|
|
|
| 387 |
|
|
if (!rop || !rop->inspec || !rop->inspec[0]) |
| 388 |
|
|
return(0); |
| 389 |
|
|
if (rop->inspec == stdin_name) |
| 390 |
|
|
rop->infp = stdin; |
| 391 |
|
|
else if (rop->inspec[0] == '!') |
| 392 |
|
|
rop->infp = popen(rop->inspec+1, "r"); |
| 393 |
|
|
else |
| 394 |
|
|
rop->infp = fopen(rop->inspec, "rb"); |
| 395 |
|
|
|
| 396 |
|
|
if (!rmx_load_header(&rop->imx, rop->infp)) { |
| 397 |
|
|
fprintf(stderr, "Bad header from: %s\n", rop->inspec); |
| 398 |
|
|
return(0); |
| 399 |
|
|
} |
| 400 |
|
|
return(get_component_xfm(rop)); |
| 401 |
|
|
} |
| 402 |
|
|
|
| 403 |
|
|
/* Return nominal wavelength associated with input component (return nm) */ |
| 404 |
|
|
static double |
| 405 |
|
|
l_wavelength(char *nam) |
| 406 |
|
|
{ |
| 407 |
|
|
double comp = argument(1); |
| 408 |
|
|
|
| 409 |
|
|
if ((comp < -.5) | (comp >= in_ncomp+.5)) { |
| 410 |
|
|
errno = EDOM; |
| 411 |
|
|
return(.0); |
| 412 |
|
|
} |
| 413 |
|
|
if (comp < .5) /* asking for #components? */ |
| 414 |
|
|
return(in_ncomp); |
| 415 |
|
|
|
| 416 |
|
|
if (in_ncomp == 3) { /* special case for RGB */ |
| 417 |
|
|
const int w0 = (int)(comp - .5); |
| 418 |
|
|
return(mop[0].rmp->wlpart[w0] + |
| 419 |
|
|
(comp-.5)*(mop[0].rmp->wlpart[w0+1] - |
| 420 |
|
|
mop[0].rmp->wlpart[w0])); |
| 421 |
|
|
} |
| 422 |
|
|
return(mop[0].rmp->wlpart[0] + /* general case, even div. */ |
| 423 |
|
|
(comp-.5)/(double)in_ncomp * |
| 424 |
|
|
(mop[0].rmp->wlpart[3] - mop[0].rmp->wlpart[0])); |
| 425 |
|
|
} |
| 426 |
|
|
|
| 427 |
|
|
/* Return ith input with optional channel selector */ |
| 428 |
|
|
static double |
| 429 |
|
|
l_chanin(char *nam) |
| 430 |
|
|
{ |
| 431 |
|
|
double inp = argument(1); |
| 432 |
|
|
int mi, chan; |
| 433 |
|
|
|
| 434 |
|
|
if ((mi = (int)(inp-.5)) < 0 || mi >= nmats) { |
| 435 |
|
|
errno = EDOM; |
| 436 |
|
|
return(.0); |
| 437 |
|
|
} |
| 438 |
|
|
if (!mi) /* asking for #inputs? */ |
| 439 |
|
|
return(nmats); |
| 440 |
|
|
|
| 441 |
|
|
if (nargum() >= 2) { |
| 442 |
|
|
double cval = argument(2); |
| 443 |
|
|
if (cval < .5 || (chan = (int)(cval-.5)) >= in_ncomp) { |
| 444 |
|
|
errno = EDOM; |
| 445 |
|
|
return(.0); |
| 446 |
|
|
} |
| 447 |
|
|
} else |
| 448 |
|
|
chan = cur_chan; |
| 449 |
|
|
|
| 450 |
|
|
return(mop[mi].rmp->mtx[cur_col*in_ncomp + chan]); |
| 451 |
|
|
} |
| 452 |
|
|
|
| 453 |
|
|
static int |
| 454 |
|
|
initialize(RMATRIX *imp) |
| 455 |
|
|
{ |
| 456 |
|
|
int i; |
| 457 |
|
|
/* XXX struct is zeroed coming in */ |
| 458 |
|
|
setcolor(imp->cexp, 1.f, 1.f, 1.f); |
| 459 |
|
|
for (i = 0; i < nmats; i++) { /* open each input */ |
| 460 |
|
|
int restype; |
| 461 |
|
|
if (!open_input(&mop[i])) |
| 462 |
|
|
return(0); |
| 463 |
|
|
restype = mop[i].rmp->dtype; |
| 464 |
|
|
if (!imp->dtype || (restype = rmx_newtype(restype, imp->dtype)) > 0) |
| 465 |
|
|
imp->dtype = restype; |
| 466 |
|
|
else |
| 467 |
|
|
fprintf(stderr, "%s: warning - data type mismatch\n", |
| 468 |
|
|
mop[i].inspec); |
| 469 |
|
|
if (!i) { |
| 470 |
|
|
imp->nrows = in_nrows = mop[0].rmp->nrows; |
| 471 |
|
|
imp->ncols = mop[0].rmp->ncols; |
| 472 |
|
|
imp->ncomp = mop[0].rmp->ncomp; |
| 473 |
|
|
memcpy(imp->wlpart, mop[0].rmp->wlpart, sizeof(imp->wlpart)); |
| 474 |
|
|
} else if ((mop[i].rmp->nrows != imp->nrows) | |
| 475 |
|
|
(mop[i].rmp->ncols != imp->ncols) | |
| 476 |
|
|
(mop[i].rmp->ncomp != imp->ncomp)) { |
| 477 |
|
|
fprintf(stderr, "%s: mismatch in size or #components\n", |
| 478 |
|
|
mop[i].inspec); |
| 479 |
|
|
return(0); |
| 480 |
|
|
} /* XXX should check wlpart? */ |
| 481 |
|
|
} /* set up .cal environment */ |
| 482 |
|
|
esupport |= E_VARIABLE|E_FUNCTION|E_RCONST; |
| 483 |
|
|
esupport &= ~(E_OUTCHAN|E_INCHAN); |
| 484 |
|
|
varset("PI", ':', M_PI); |
| 485 |
|
|
varset("nfiles", ':', nmats); |
| 486 |
|
|
varset("nrows", ':', in_nrows); |
| 487 |
|
|
varset("ncols", ':', in_ncols); |
| 488 |
|
|
varset("ncomp", ':', in_ncomp); |
| 489 |
|
|
varset("R", ':', 1.); |
| 490 |
|
|
varset("G", ':', 2.); |
| 491 |
|
|
varset("B", ':', 3.); |
| 492 |
|
|
funset("wl", 1, ':', l_wavelength); |
| 493 |
|
|
funset("ci", 1, '=', l_chanin); |
| 494 |
|
|
scompile("ri(i)=ci(i,R);gi(i)=ci(i,G);bi(i)=ci(i,B)", NULL, 0); |
| 495 |
|
|
return(1); |
| 496 |
|
|
} |
| 497 |
|
|
|
| 498 |
|
|
static void |
| 499 |
|
|
output_headinfo(FILE *fp) |
| 500 |
|
|
{ |
| 501 |
|
|
int i; |
| 502 |
|
|
|
| 503 |
|
|
for (i = 0; i < nmats; i++) { |
| 504 |
|
|
const char *cp = mop[i].imx.info; |
| 505 |
|
|
fputs(mop[i].inspec, fp); |
| 506 |
|
|
fputs(":\n", fp); |
| 507 |
|
|
if (!cp) continue; |
| 508 |
|
|
while (*cp) { |
| 509 |
|
|
if (*cp == '\n') { |
| 510 |
|
|
cp++; /* avoid inadvertant terminus */ |
| 511 |
|
|
continue; |
| 512 |
|
|
} |
| 513 |
|
|
fputc('\t', fp); /* indent this input's info */ |
| 514 |
|
|
do |
| 515 |
|
|
putc(*cp, fp); |
| 516 |
|
|
while (*cp++ != '\n'); |
| 517 |
|
|
} |
| 518 |
|
|
} |
| 519 |
|
|
} |
| 520 |
|
|
|
| 521 |
|
|
static int |
| 522 |
|
|
combine_input(ROPMAT *res, FILE *fout) |
| 523 |
|
|
{ |
| 524 |
|
|
int user_set_r, user_set_c; |
| 525 |
|
|
RMATRIX *tmp = NULL; |
| 526 |
|
|
int co_set; |
| 527 |
|
|
int i; |
| 528 |
|
|
/* allocate input row buffers */ |
| 529 |
|
|
for (i = 0; i < nmats; i++) { |
| 530 |
|
|
mop[i].imx.nrows = 1; /* we'll be doing a row at a time */ |
| 531 |
|
|
if (!rmx_prepare(&mop[i].imx)) |
| 532 |
|
|
goto memerror; |
| 533 |
|
|
if (mop[i].rmp != &mop[i].imx) { |
| 534 |
|
|
mop[i].rmp->nrows = 1; |
| 535 |
|
|
if (!rmx_prepare(mop[i].rmp)) |
| 536 |
|
|
goto memerror; |
| 537 |
|
|
} |
| 538 |
|
|
} |
| 539 |
|
|
/* prep output row buffers */ |
| 540 |
|
|
if (mcat || res->preop.clen > 0) { |
| 541 |
|
|
if (!split_input(res)) /* need separate buffer */ |
| 542 |
|
|
return(0); |
| 543 |
|
|
if (res->preop.clen > 0) |
| 544 |
|
|
res->rmp->ncomp = res->preop.clen / res->imx.ncomp; |
| 545 |
|
|
res->rmp->nrows = 1; |
| 546 |
|
|
if (!mcat | !mcat_last && !rmx_prepare(res->rmp)) |
| 547 |
|
|
goto memerror; |
| 548 |
|
|
} |
| 549 |
|
|
if (mcat && mcat_last && |
| 550 |
|
|
!(tmp = rmx_new(1, res->imx.ncols, res->rmp->ncomp))) |
| 551 |
|
|
goto memerror; |
| 552 |
|
|
res->imx.nrows = 1; |
| 553 |
|
|
if (!rmx_prepare(&res->imx)) |
| 554 |
|
|
goto memerror; |
| 555 |
|
|
/* figure out what the user set */ |
| 556 |
|
|
co_set = fundefined("co"); |
| 557 |
|
|
if (!co_set) |
| 558 |
|
|
co_set = -vardefined("co"); |
| 559 |
|
|
if (!co_set & (in_ncomp == 3) && vardefined("ro") && |
| 560 |
|
|
vardefined("go") && vardefined("bo")) { |
| 561 |
|
|
scompile("co(p)=select(p,ro,go,bo)", NULL, 0); |
| 562 |
|
|
co_set = 1; |
| 563 |
|
|
} |
| 564 |
|
|
user_set_r = vardefined("r"); |
| 565 |
|
|
user_set_c = vardefined("c"); |
| 566 |
|
|
/* read/process row-by-row */ |
| 567 |
|
|
for (cur_row = 0; cur_row < in_nrows; cur_row++) { |
| 568 |
|
|
RMATRIX *mres = NULL; |
| 569 |
|
|
for (i = 0; i < nmats; i++) { |
| 570 |
|
|
if (!rmx_load_row(mop[i].imx.mtx, &mop[i].imx, mop[i].infp)) |
| 571 |
|
|
return(0); |
| 572 |
|
|
if (!apply_op(mop[i].rmp, &mop[i].imx, &mop[i].preop)) |
| 573 |
|
|
return(0); |
| 574 |
|
|
} |
| 575 |
|
|
if (!user_set_r) varset("r", '=', cur_row); |
| 576 |
|
|
for (cur_col = 0; cur_col < in_ncols; cur_col++) { |
| 577 |
|
|
if (!user_set_c) varset("c", '=', cur_col); |
| 578 |
|
|
for (cur_chan = 0; cur_chan < in_ncomp; cur_chan++) { |
| 579 |
|
|
const int ndx = cur_col*in_ncomp + cur_chan; |
| 580 |
|
|
eclock++; |
| 581 |
|
|
if (!co_set) { /* just summing elements? */ |
| 582 |
|
|
res->imx.mtx[ndx] = 0; |
| 583 |
|
|
for (i = nmats; i--; ) |
| 584 |
|
|
res->imx.mtx[ndx] += mop[i].rmp->mtx[ndx]; |
| 585 |
|
|
} else if (co_set > 0) { |
| 586 |
|
|
double dchan = cur_chan; |
| 587 |
|
|
res->imx.mtx[ndx] = funvalue("co", 1, &dchan); |
| 588 |
|
|
} else |
| 589 |
|
|
res->imx.mtx[ndx] = varvalue("co"); |
| 590 |
|
|
} |
| 591 |
|
|
} /* final conversions */ |
| 592 |
|
|
if (!mcat) { |
| 593 |
|
|
if (!apply_op(res->rmp, &res->imx, &res->preop)) |
| 594 |
|
|
return(0); |
| 595 |
|
|
} else if (mcat_last) { |
| 596 |
|
|
if (!apply_op(tmp, &res->imx, &res->preop)) |
| 597 |
|
|
return(0); |
| 598 |
|
|
mres = rmx_multiply(tmp, mcat); |
| 599 |
|
|
if (!mres) |
| 600 |
|
|
goto multerror; |
| 601 |
|
|
if (res->rmp->mtx) free(res->rmp->mtx); |
| 602 |
|
|
res->rmp->mtx = mres->mtx; mres->mtx = NULL; |
| 603 |
|
|
} else /* mcat && !mcat_last */ { |
| 604 |
|
|
mres = rmx_multiply(&res->imx, mcat); |
| 605 |
|
|
if (!mres) |
| 606 |
|
|
goto multerror; |
| 607 |
|
|
if (!apply_op(res->rmp, mres, &res->preop)) |
| 608 |
|
|
return(0); |
| 609 |
|
|
} |
| 610 |
|
|
rmx_free(mres); mres = NULL; |
| 611 |
|
|
if (!rmx_write_data(res->rmp->mtx, res->rmp->ncomp, |
| 612 |
|
|
res->rmp->ncols, res->rmp->dtype, fout)) |
| 613 |
|
|
return(0); |
| 614 |
|
|
} |
| 615 |
|
|
rmx_free(tmp); /* clean up */ |
| 616 |
|
|
if (res->rmp != &res->imx) { |
| 617 |
|
|
rmx_free(res->rmp); |
| 618 |
|
|
res->rmp = NULL; |
| 619 |
|
|
} |
| 620 |
|
|
rmx_reset(&res->imx); |
| 621 |
|
|
return(1); |
| 622 |
|
|
memerror: |
| 623 |
|
|
fputs("Out of buffer space in combine_input()\n", stderr); |
| 624 |
|
|
return(0); |
| 625 |
|
|
multerror: |
| 626 |
|
|
fputs("Unexpected matrix multiply error in combine_input()\n", stderr); |
| 627 |
|
|
return(0); |
| 628 |
|
|
} |
| 629 |
|
|
|
| 630 |
|
|
static int |
| 631 |
|
|
get_factors(double da[], int n, char *av[]) |
| 632 |
|
|
{ |
| 633 |
|
|
int ac; |
| 634 |
|
|
|
| 635 |
|
|
for (ac = 0; ac < n && isflt(av[ac]); ac++) |
| 636 |
|
|
da[ac] = atof(av[ac]); |
| 637 |
|
|
return(ac); |
| 638 |
|
|
} |
| 639 |
|
|
|
| 640 |
|
|
static void |
| 641 |
|
|
resize_inparr(int n2alloc) |
| 642 |
|
|
{ |
| 643 |
|
|
int i; |
| 644 |
|
|
|
| 645 |
|
|
for (i = nmats; i > n2alloc; i--) { |
| 646 |
|
|
rmx_reset(&mop[i].imx); |
| 647 |
|
|
if (mop[i].rmp != &mop[i].imx) |
| 648 |
|
|
rmx_free(mop[i].rmp); |
| 649 |
|
|
} |
| 650 |
|
|
mop = (ROPMAT *)realloc(mop, n2alloc*sizeof(ROPMAT)); |
| 651 |
|
|
if (mop == NULL) { |
| 652 |
|
|
fputs("Out of memory in resize_inparr()\n", stderr); |
| 653 |
|
|
exit(1); |
| 654 |
|
|
} |
| 655 |
|
|
if (n2alloc > nmats) |
| 656 |
|
|
memset(mop+nmats, 0, (n2alloc-nmats)*sizeof(ROPMAT)); |
| 657 |
|
|
nall = n2alloc; |
| 658 |
|
|
} |
| 659 |
|
|
|
| 660 |
|
|
/* Load one or more matrices and operate on them, sending results to stdout */ |
| 661 |
|
|
int |
| 662 |
|
|
main(int argc, char *argv[]) |
| 663 |
|
|
{ |
| 664 |
|
|
|
| 665 |
|
|
int outfmt = DTfromHeader; |
| 666 |
|
|
const char *defCsym = NULL; |
| 667 |
|
|
int echoheader = 1; |
| 668 |
|
|
int stdin_used = 0; |
| 669 |
|
|
const char *mcat_spec = NULL; |
| 670 |
|
|
int n2comp = 0; |
| 671 |
|
|
uby8 comp_ndx[128]; |
| 672 |
|
|
int i; |
| 673 |
|
|
/* get starting input array */ |
| 674 |
|
|
mop = (ROPMAT *)calloc(nall=2, sizeof(ROPMAT)); |
| 675 |
|
|
/* get options and arguments */ |
| 676 |
|
|
for (i = 1; i < argc; i++) |
| 677 |
|
|
if (argv[i][0] != '-' || !argv[i][1]) { |
| 678 |
|
|
if (argv[i][0] == '-') { |
| 679 |
|
|
if (stdin_used++) goto stdin_error; |
| 680 |
|
|
mop[nmats].inspec = stdin_name; |
| 681 |
|
|
} else |
| 682 |
|
|
mop[nmats].inspec = argv[i]; |
| 683 |
|
|
if (!mop[nmats].preop.csym) |
| 684 |
|
|
mop[nmats].preop.csym = defCsym; |
| 685 |
|
|
if (++nmats >= nall) |
| 686 |
|
|
resize_inparr(nmats + (nmats>>2) + 2); |
| 687 |
|
|
} else { |
| 688 |
|
|
int n = argc-1 - i; |
| 689 |
|
|
switch (argv[i][1]) { /* get option */ |
| 690 |
|
|
case 'w': |
| 691 |
|
|
nowarn = !nowarn; |
| 692 |
|
|
break; |
| 693 |
|
|
case 'h': |
| 694 |
|
|
echoheader = !echoheader; |
| 695 |
|
|
break; |
| 696 |
|
|
case 'e': |
| 697 |
|
|
if (!n) goto userr; |
| 698 |
|
|
comp_ndx[n2comp++] = i++; |
| 699 |
|
|
break; |
| 700 |
|
|
case 'f': |
| 701 |
|
|
switch (argv[i][2]) { |
| 702 |
|
|
case '\0': |
| 703 |
|
|
if (!n) goto userr; |
| 704 |
|
|
comp_ndx[n2comp++] = i++; |
| 705 |
|
|
break; |
| 706 |
|
|
case 'd': |
| 707 |
|
|
outfmt = DTdouble; |
| 708 |
|
|
break; |
| 709 |
|
|
case 'f': |
| 710 |
|
|
outfmt = DTfloat; |
| 711 |
|
|
break; |
| 712 |
|
|
case 'a': |
| 713 |
|
|
outfmt = DTascii; |
| 714 |
|
|
break; |
| 715 |
|
|
case 'c': |
| 716 |
|
|
outfmt = DTrgbe; |
| 717 |
|
|
break; |
| 718 |
|
|
default: |
| 719 |
|
|
goto userr; |
| 720 |
|
|
} |
| 721 |
|
|
break; |
| 722 |
|
|
case 's': |
| 723 |
|
|
if (n > MAXCOMP) n = MAXCOMP; |
| 724 |
|
|
i += mop[nmats].preop.nsf = |
| 725 |
|
|
get_factors(mop[nmats].preop.sca, |
| 726 |
|
|
n, argv+i+1); |
| 727 |
|
|
if (mop[nmats].preop.nsf <= 0) { |
| 728 |
|
|
fprintf(stderr, "%s: -s missing arguments\n", |
| 729 |
|
|
argv[0]); |
| 730 |
|
|
goto userr; |
| 731 |
|
|
} |
| 732 |
|
|
break; |
| 733 |
|
|
case 'C': |
| 734 |
|
|
if (!n || isflt(argv[i+1])) |
| 735 |
|
|
goto userr; |
| 736 |
|
|
defCsym = mop[nmats].preop.csym = argv[++i]; |
| 737 |
|
|
mop[nmats].preop.clen = 0; |
| 738 |
|
|
mcat_last = 0; |
| 739 |
|
|
break; |
| 740 |
|
|
case 'c': |
| 741 |
|
|
if (n && !isflt(argv[i+1])) { |
| 742 |
|
|
mop[nmats].preop.csym = argv[++i]; |
| 743 |
|
|
mop[nmats].preop.clen = 0; |
| 744 |
|
|
break; |
| 745 |
|
|
} |
| 746 |
|
|
if (n > MAXCOMP*MAXCOMP) n = MAXCOMP*MAXCOMP; |
| 747 |
|
|
i += mop[nmats].preop.clen = |
| 748 |
|
|
get_factors(mop[nmats].preop.cmat, |
| 749 |
|
|
n, argv+i+1); |
| 750 |
|
|
if (mop[nmats].preop.clen <= 0) { |
| 751 |
|
|
fprintf(stderr, "%s: -c missing arguments\n", |
| 752 |
|
|
argv[0]); |
| 753 |
|
|
goto userr; |
| 754 |
|
|
} |
| 755 |
|
|
mop[nmats].preop.csym = NULL; |
| 756 |
|
|
mcat_last = 0; |
| 757 |
|
|
break; |
| 758 |
|
|
case 'm': |
| 759 |
|
|
if (!n) goto userr; |
| 760 |
|
|
if (argv[++i][0] == '-' && !argv[i][1]) { |
| 761 |
|
|
if (stdin_used++) goto stdin_error; |
| 762 |
|
|
mcat_spec = stdin_name; |
| 763 |
|
|
} else |
| 764 |
|
|
mcat_spec = argv[i]; |
| 765 |
|
|
mcat_last = 1; |
| 766 |
|
|
break; |
| 767 |
|
|
default: |
| 768 |
|
|
fprintf(stderr, "%s: unknown option '%s'\n", |
| 769 |
|
|
argv[0], argv[i]); |
| 770 |
|
|
goto userr; |
| 771 |
|
|
} |
| 772 |
|
|
} |
| 773 |
|
|
if (!nmats) { |
| 774 |
|
|
fprintf(stderr, "%s: need at least one input matrix\n", argv[0]); |
| 775 |
|
|
goto userr; |
| 776 |
|
|
} |
| 777 |
|
|
resize_inparr(nmats+1); /* extra matrix at end for result */ |
| 778 |
|
|
mop[nmats].inspec = "trailing_ops"; |
| 779 |
|
|
/* load final concatenation matrix */ |
| 780 |
|
|
if (mcat_spec && !(mcat = rmx_load(mcat_spec, RMPnone))) { |
| 781 |
|
|
fprintf(stderr, "%s: error loading concatenation matrix: %s", |
| 782 |
|
|
argv[0], mcat_spec); |
| 783 |
|
|
return(1); |
| 784 |
|
|
} |
| 785 |
|
|
/* get/check inputs, set constants */ |
| 786 |
|
|
if (!initialize(&mop[nmats].imx)) |
| 787 |
|
|
return(1); |
| 788 |
|
|
|
| 789 |
|
|
for (i = 0; i < n2comp; i++) /* user .cal files and expressions */ |
| 790 |
|
|
if (argv[comp_ndx[i]][1] == 'f') { |
| 791 |
|
|
char *fpath = getpath(argv[comp_ndx[i]+1], |
| 792 |
|
|
getrlibpath(), 0); |
| 793 |
|
|
if (fpath == NULL) { |
| 794 |
|
|
fprintf(stderr, "%s: cannot find file '%s'\n", |
| 795 |
|
|
argv[0], argv[comp_ndx[i]+1]); |
| 796 |
|
|
return(1); |
| 797 |
|
|
} |
| 798 |
|
|
fcompile(fpath); |
| 799 |
|
|
} else /* (argv[comp_ndx[i]][1] == 'e') */ |
| 800 |
|
|
scompile(argv[comp_ndx[i]+1], NULL, 0); |
| 801 |
|
|
|
| 802 |
|
|
/* get trailing color transform */ |
| 803 |
|
|
if (!get_component_xfm(&mop[nmats])) |
| 804 |
|
|
return(1); |
| 805 |
|
|
/* adjust output dimensions and #components */ |
| 806 |
|
|
if (mcat) { |
| 807 |
|
|
if (mop[nmats].imx.ncols != mcat->nrows) { |
| 808 |
|
|
fprintf(stderr, |
| 809 |
|
|
"%s: number of input columns does not match number of rows in '%s'\n", |
| 810 |
|
|
argv[0], mcat_spec); |
| 811 |
|
|
return(1); |
| 812 |
|
|
} |
| 813 |
|
|
if (mcat->ncomp != (mcat_last ? mop[nmats].rmp->ncomp : mop[nmats].imx.ncomp)) { |
| 814 |
|
|
fprintf(stderr, |
| 815 |
|
|
"%s: number of components does not match those in '%s'\n", |
| 816 |
|
|
argv[0], mcat_spec); |
| 817 |
|
|
return(1); |
| 818 |
|
|
} |
| 819 |
|
|
mop[nmats].rmp->ncols = mcat->ncols; |
| 820 |
|
|
} |
| 821 |
|
|
if (outfmt == DTfromHeader) /* set final output format */ |
| 822 |
|
|
outfmt = mop[nmats].rmp->dtype; |
| 823 |
|
|
if (outfmt == DTrgbe) { |
| 824 |
|
|
if (mop[nmats].rmp->ncomp > 3) |
| 825 |
|
|
outfmt = DTspec; |
| 826 |
|
|
else if (mop[nmats].rmp->dtype == DTxyze) |
| 827 |
|
|
outfmt = DTxyze; |
| 828 |
|
|
} |
| 829 |
|
|
mop[nmats].rmp->dtype = outfmt; |
| 830 |
|
|
if (outfmt != DTascii) |
| 831 |
|
|
SET_FILE_BINARY(stdout); |
| 832 |
|
|
/* write output header */ |
| 833 |
|
|
newheader("RADIANCE", stdout); |
| 834 |
|
|
if (echoheader) |
| 835 |
|
|
output_headinfo(stdout); |
| 836 |
|
|
printargs(argc, argv, stdout); |
| 837 |
|
|
fputnow(stdout); |
| 838 |
|
|
mop[nmats].rmp->dtype = rmx_write_header(mop[nmats].rmp, mop[nmats].rmp->dtype, stdout); |
| 839 |
|
|
if (mop[nmats].rmp->dtype <= 0) { |
| 840 |
|
|
fprintf(stderr, "%s: unexpected error writing header!\n", argv[0]); |
| 841 |
|
|
return(1); |
| 842 |
|
|
} |
| 843 |
|
|
/* process & write rows */ |
| 844 |
|
|
return(combine_input(&mop[nmats], stdout) ? 0 : 1); |
| 845 |
|
|
stdin_error: |
| 846 |
|
|
fprintf(stderr, "%s: %s used for more than one input\n", |
| 847 |
|
|
argv[0], stdin_name); |
| 848 |
|
|
return(1); |
| 849 |
|
|
userr: |
| 850 |
|
|
fprintf(stderr, |
| 851 |
|
|
"Usage: %s [-h][-f{adfc}][-e expr][-f file][-s sf .. | -c ce ..] m1 .. -m mcat > mres\n", |
| 852 |
|
|
argv[0]); |
| 853 |
|
|
return(1); |
| 854 |
|
|
} |
