| 13 |
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#include "resolu.h" |
| 14 |
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#include "rtio.h" |
| 15 |
|
|
| 16 |
< |
int rgbinp = -1; /* input is RGBE? */ |
| 16 |
> |
enum {InpUNK, InpRGB, InpXYZ, InpSPEC}; /* input format */ |
| 17 |
> |
int infmt = InpUNK; |
| 18 |
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int rgbout = 0; /* output should be RGBE? */ |
| 19 |
|
RGBPRIMS inprims = STDPRIMS; /* input primaries */ |
| 20 |
|
RGBPRIMS outprims = STDPRIMS; /* output primaries */ |
| 25 |
|
|
| 26 |
|
static gethfunc headline; |
| 27 |
|
static void quiterr(char *err); |
| 28 |
+ |
static void myreadscan(COLOR *scn, int len); |
| 29 |
|
static void convert(void); |
| 30 |
|
|
| 31 |
|
|
| 40 |
|
|
| 41 |
|
if (formatval(fmt, s)) { /* check if format string */ |
| 42 |
|
if (!strcmp(fmt,COLRFMT)) |
| 43 |
< |
rgbinp = 1; |
| 43 |
> |
infmt = InpRGB; |
| 44 |
|
else if (!strcmp(fmt,CIEFMT)) |
| 45 |
< |
rgbinp = 0; |
| 45 |
> |
infmt = InpXYZ; |
| 46 |
> |
else if (!strcmp(fmt,SPECFMT)) |
| 47 |
> |
infmt = InpSPEC; |
| 48 |
|
else |
| 49 |
< |
rgbinp = -2; |
| 49 |
> |
infmt = InpUNK; |
| 50 |
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return(0); /* don't echo */ |
| 51 |
|
} |
| 52 |
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if (origexp > 0.0 && isexpos(s)) { |
| 57 |
|
primsval(inprims, s); |
| 58 |
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return(0); /* don't echo */ |
| 59 |
|
} |
| 60 |
+ |
if (iswlsplit(s)) { /* get wavelength limits */ |
| 61 |
+ |
wlsplitval(WLPART, s); |
| 62 |
+ |
return(0); /* don't echo */ |
| 63 |
+ |
} |
| 64 |
+ |
if (isncomp(s)) { /* number of color samples */ |
| 65 |
+ |
NCSAMP = ncompval(s); |
| 66 |
+ |
return(0); /* don't echo */ |
| 67 |
+ |
} |
| 68 |
|
/* should I grok colcorr also? */ |
| 69 |
|
return(fputs(s, stdout)); |
| 70 |
|
} |
| 132 |
|
exit(1); |
| 133 |
|
} |
| 134 |
|
getheader(stdin, headline, NULL); |
| 135 |
< |
if (rgbinp == -2) |
| 136 |
< |
quiterr("unrecognized input file format"); |
| 125 |
< |
if (rgbinp == -1) |
| 126 |
< |
rgbinp = !rgbout; |
| 135 |
> |
if (infmt == InpUNK) |
| 136 |
> |
quiterr("unrecognized/missing input file format"); |
| 137 |
|
printargs(argc, argv, stdout); /* add to header */ |
| 138 |
|
convert(); /* convert picture */ |
| 139 |
|
exit(0); |
| 158 |
|
|
| 159 |
|
|
| 160 |
|
static void |
| 161 |
+ |
myreadscan(COLOR *scn, int len) |
| 162 |
+ |
{ |
| 163 |
+ |
if (infmt == InpSPEC) { /* read & convert to XYZ */ |
| 164 |
+ |
SCOLR sclr; |
| 165 |
+ |
SCOLOR scol; |
| 166 |
+ |
while (len-- > 0) { |
| 167 |
+ |
if (getbinary(sclr, LSCOLR, 1, stdin) != 1) |
| 168 |
+ |
goto readerr; |
| 169 |
+ |
scolr_scolor(scol, sclr); |
| 170 |
+ |
scolor_cie(*scn++, scol); |
| 171 |
+ |
} |
| 172 |
+ |
return; |
| 173 |
+ |
} /* else read as RGBE/XYZE */ |
| 174 |
+ |
if (freadscan(scn, len, stdin) >= 0) |
| 175 |
+ |
return; |
| 176 |
+ |
readerr: |
| 177 |
+ |
quiterr("error reading input picture"); |
| 178 |
+ |
} |
| 179 |
+ |
|
| 180 |
+ |
|
| 181 |
+ |
static void |
| 182 |
|
convert(void) /* convert to XYZE or RGBE picture */ |
| 183 |
|
{ |
| 184 |
|
int order; |
| 185 |
|
int xmax, ymax; |
| 186 |
|
COLORMAT xfm; |
| 187 |
< |
register COLOR *scanin; |
| 188 |
< |
register COLR *scanout; |
| 187 |
> |
COLOR *scanin; |
| 188 |
> |
COLR *scanout; |
| 189 |
|
double exp2do = expcomp; |
| 190 |
|
double exp2report = expcomp; |
| 191 |
|
int y; |
| 192 |
< |
register int x; |
| 192 |
> |
int x; |
| 193 |
|
/* recover original? */ |
| 194 |
|
if (origexp > 0.0) |
| 195 |
|
exp2do /= origexp; |
| 196 |
|
/* compute transform */ |
| 197 |
|
if (rgbout) { |
| 198 |
< |
if (rgbinp) { /* RGBE -> RGBE */ |
| 198 |
> |
if (infmt == InpRGB) { /* RGBE -> RGBE */ |
| 199 |
|
comprgb2rgbWBmat(xfm, inprims, outprims); |
| 200 |
< |
} else { /* XYZE -> RGBE */ |
| 200 |
> |
} else { /* XYZE/Spectral -> RGBE */ |
| 201 |
|
compxyz2rgbWBmat(xfm, outprims); |
| 202 |
+ |
} |
| 203 |
+ |
if (infmt == InpXYZ) { |
| 204 |
|
if (origexp > 0.0) |
| 205 |
|
exp2do /= WHTEFFICACY; |
| 206 |
|
else |
| 207 |
|
exp2report *= WHTEFFICACY; |
| 208 |
|
} |
| 209 |
|
} else { |
| 210 |
< |
if (rgbinp) { /* RGBE -> XYZE */ |
| 210 |
> |
if (infmt == InpRGB) { /* RGBE -> XYZE */ |
| 211 |
|
comprgb2xyzWBmat(xfm, inprims); |
| 212 |
< |
if (origexp > 0.0) |
| 212 |
> |
} else { /* XYZE/Spectral -> XYZE */ |
| 213 |
> |
memset(xfm, 0, sizeof(xfm)); |
| 214 |
> |
for (x = 3; x--; ) |
| 215 |
> |
xfm[x][x] = 1.; |
| 216 |
> |
} |
| 217 |
> |
if (infmt != InpXYZ) { |
| 218 |
> |
if (origexp > 0) |
| 219 |
|
exp2do *= WHTEFFICACY; |
| 220 |
|
else |
| 221 |
|
exp2report /= WHTEFFICACY; |
| 183 |
– |
} else { /* XYZE -> XYZE */ |
| 184 |
– |
for (y = 0; y < 3; y++) |
| 185 |
– |
for (x = 0; x < 3; x++) |
| 186 |
– |
xfm[y][x] = x==y ? 1. : 0.; |
| 222 |
|
} |
| 223 |
|
} |
| 224 |
|
for (y = 0; y < 3; y++) |
| 241 |
|
scanin = (COLOR *)malloc(xmax*sizeof(COLOR)); |
| 242 |
|
if (scanin == NULL) |
| 243 |
|
quiterr("out of memory in convert"); |
| 244 |
< |
scanout = doflat ? (COLR *)malloc(xmax*sizeof(COLR)) : NULL; |
| 244 |
> |
scanout = doflat ? (COLR *)malloc(xmax*sizeof(COLR)) : (COLR *)NULL; |
| 245 |
|
/* convert image */ |
| 246 |
|
for (y = 0; y < ymax; y++) { |
| 247 |
< |
if (freadscan(scanin, xmax, stdin) < 0) |
| 213 |
< |
quiterr("error reading input picture"); |
| 247 |
> |
myreadscan(scanin, xmax); |
| 248 |
|
for (x = 0; x < xmax; x++) { |
| 249 |
|
colortrans(scanin[x], xfm, scanin[x]); |
| 250 |
|
if (rgbout) |
| 256 |
|
setcolr(scanout[x], colval(scanin[x],RED), |
| 257 |
|
colval(scanin[x],GRN), |
| 258 |
|
colval(scanin[x],BLU)); |
| 259 |
< |
putbinary((char *)scanout, sizeof(COLR), xmax, stdout); |
| 259 |
> |
putbinary(scanout, sizeof(COLR), xmax, stdout); |
| 260 |
|
} else |
| 261 |
|
fwritescan(scanin, xmax, stdout); |
| 262 |
|
if (ferror(stdout)) |
| 263 |
|
quiterr("error writing output picture"); |
| 264 |
|
} |
| 265 |
|
/* free scanline */ |
| 266 |
< |
free((void *)scanin); |
| 266 |
> |
free(scanin); |
| 267 |
|
if (scanout != NULL) |
| 268 |
< |
free((void *)scanout); |
| 268 |
> |
free(scanout); |
| 269 |
|
} |
