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#include <errno.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 "platform.h" |
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#define MAXCOMP MAXCSAMP /* #components we support */ |
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|
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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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int verbose = 0; /* verbose reporting? */ |
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|
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/* Load matrix */ |
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static int |
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int |
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loadmatrix(ROPMAT *rop) |
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{ |
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if (rop->mtx != NULL) /* already loaded? */ |
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return(!rop->mtx ? -1 : 1); |
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} |
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|
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static int checksymbolic(ROPMAT *rop); |
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extern int checksymbolic(ROPMAT *rop); |
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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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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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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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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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} |
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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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void |
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rgbrow(ROPMAT *rop, int r, int p) |
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{ |
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const int nc = rop->mtx->ncomp; |
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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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> |
void |
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xyzrow(ROPMAT *rop, int r, int p) |
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{ |
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const int nc = rop->mtx->ncomp; |
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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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void |
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sensrow(ROPMAT *rop, int r, double (*sf)(const SCOLOR sc, int ncs, const float wlpt[4])) |
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{ |
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const int nc = rop->mtx->ncomp; |
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int i; |
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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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int |
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checksymbolic(ROPMAT *rop) |
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{ |
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const int nc = rop->mtx->ncomp; |
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const int dt = rop->mtx->dtype; |
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double cf = 1; |
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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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int comp = 0; |
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switch (rop->preop.csym[j]) { |
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case 'B': |
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case 'b': |
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++comp; |
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/* fall through */ |
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case 'G': |
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case 'g': |
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++comp; |
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/* fall through */ |
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case 'R': |
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case 'r': |
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if (rop->preop.csym[j] <= 'Z') |
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cf = 1./WHTEFFICACY; |
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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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xyz2rgbmat[comp][i]; |
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rop->preop.cmat[j*nc+i] = cf*xyz2rgbmat[comp][i]; |
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} else if (nc == 3) |
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rop->preop.cmat[j*nc+comp] = 1.; |
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else |
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rgbrow(rop, j, comp); |
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break; |
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case 'Z': |
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case 'z': |
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++comp; |
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/* fall through */ |
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case 'Y': |
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case 'y': |
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++comp; |
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/* fall through */ |
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case 'X': |
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case 'x': |
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if ((rop->preop.csym[j] <= 'Z') & (dt != DTxyze)) |
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cf = WHTEFFICACY; |
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if (dt == DTxyze) { |
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rop->preop.cmat[j*nc+comp] = 1.; |
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} else if (nc == 3) { |
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else |
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xyzrow(rop, j, comp); |
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|
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for (i = nc*(dt != DTxyze); i--; ) |
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rop->preop.cmat[j*nc+i] *= WHTEFFICACY; |
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for (i = nc*(cf != 1); i--; ) |
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rop->preop.cmat[j*nc+i] *= cf; |
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break; |
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case 'S': /* scotopic (il)luminance */ |
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cf = WHTSCOTOPIC; |
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/* fall through */ |
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case 's': |
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sensrow(rop, j, scolor2scotopic); |
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< |
for (i = nc; i--; ) |
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rop->preop.cmat[j*nc+i] *= WHTSCOTOPIC; |
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> |
for (i = nc*(cf != 1); i--; ) |
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rop->preop.cmat[j*nc+i] *= cf; |
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break; |
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case 'M': /* melanopic (il)luminance */ |
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cf = WHTMELANOPIC; |
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/* fall through */ |
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case 'm': |
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sensrow(rop, j, scolor2melanopic); |
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for (i = nc; i--; ) |
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rop->preop.cmat[j*nc+i] *= WHTMELANOPIC; |
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for (i = nc*(cf != 1); i--; ) |
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rop->preop.cmat[j*nc+i] *= cf; |
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break; |
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case 'A': /* average component */ |
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case 'a': |
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for (i = nc; i--; ) |
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rop->preop.cmat[j*nc+i] = 1./(double)nc; |
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break; |
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} |
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} |
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/* return recommended output type */ |
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if (!strcmp(rop->preop.csym, "XYZ")) { |
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if (!strcasecmp(rop->preop.csym, "XYZ")) { |
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if (dt <= DTspec) |
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return(DTxyze); |
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} else if (!strcmp(rop->preop.csym, "RGB")) { |
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} else if (!strcasecmp(rop->preop.csym, "RGB")) { |
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if (dt <= DTspec) |
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return(DTrgbe); |
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} |
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if ((nc > 3) & (dt <= DTspec)) |
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} else if (dt == DTspec) |
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return(DTfloat); /* probably not actual spectrum */ |
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return(0); |
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} |
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/* Get matrix and perform unary operations */ |
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< |
static RMATRIX * |
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> |
RMATRIX * |
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loadop(ROPMAT *rop) |
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{ |
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int outtype = 0; |
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} |
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} |
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if (rop->preop.transpose) { /* transpose matrix? */ |
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< |
mres = rmx_transpose(rop->mtx); |
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if (mres == NULL) { |
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if (!rmx_transpose(rop->mtx)) { |
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fputs(rop->inspec, stderr); |
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fputs(": transpose failed\n", stderr); |
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goto failure; |
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fputs(rop->inspec, stderr); |
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fputs(": transposed rows and columns\n", stderr); |
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} |
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rmx_free(rop->mtx); |
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rop->mtx = mres; |
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} |
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mres = rop->mtx; |
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rop->mtx = NULL; |
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} |
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/* Execute binary operation, free matrix arguments and return new result */ |
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< |
static RMATRIX * |
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> |
RMATRIX * |
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binaryop(const char *inspec, RMATRIX *mleft, int op, RMATRIX *mright) |
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{ |
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RMATRIX *mres = NULL; |
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} |
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/* Perform matrix operations from left to right */ |
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static RMATRIX * |
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> |
RMATRIX * |
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op_left2right(ROPMAT *mop) |
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{ |
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RMATRIX *mleft = loadop(mop); |
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} |
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/* Perform matrix operations from right to left */ |
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< |
static RMATRIX * |
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> |
RMATRIX * |
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op_right2left(ROPMAT *mop) |
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{ |
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RMATRIX *mright; |
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: (mop)->mtx->ncols) |
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/* Should we prefer concatenating from rightmost matrix towards left? */ |
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< |
static int |
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> |
int |
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prefer_right2left(ROPMAT *mop) |
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{ |
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int mri = 0; |
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return(t_ncols(mop+mri) < t_nrows(mop)); |
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} |
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|
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< |
static int |
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> |
int |
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get_factors(double da[], int n, char *av[]) |
516 |
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{ |
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int ac; |
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return(ac); |
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} |
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|
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< |
static ROPMAT * |
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> |
ROPMAT * |
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resize_moparr(ROPMAT *mop, int n2alloc) |
526 |
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{ |
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int nmats = 0; |
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while (mop[nmats++].binop) |
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; |
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< |
for (i = nmats; i > n2alloc; i--) |
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> |
for (i = nmats; i >= n2alloc; i--) |
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rmx_free(mop[i].mtx); |
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mop = (ROPMAT *)realloc(mop, n2alloc*sizeof(ROPMAT)); |
535 |
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if (mop == NULL) { |