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author | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2014-09-01 13:56:46 +0200 |
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committer | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2014-09-01 13:56:46 +0200 |
commit | 22f703cab05b7cd368f4de9e03991b7664dc5022 (patch) | |
tree | 6f4d50beaa42328e24b1c6b56b6ec059e4ef21a5 /link/pathplot.c |
Initial import of argyll version 1.5.1-8debian/1.5.1-8
Diffstat (limited to 'link/pathplot.c')
-rw-r--r-- | link/pathplot.c | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/link/pathplot.c b/link/pathplot.c new file mode 100644 index 0000000..fc12943 --- /dev/null +++ b/link/pathplot.c @@ -0,0 +1,281 @@ + +/* + * Argyll Color Management System + * + * Plot the L in vs. L out for a path through the + * input device space, for a given link. + * + * We are assuming RGB device input space !!!! + * + * Author: Graeme W. Gill + * Date: 2002/1/28 + * Version: 1.00 + * + * Copyright 2002 Graeme W. Gill + * + * This material is licenced under the GNU AFFERO GENERAL PUBLIC LICENSE Version 3 :- + * see the License.txt file for licencing details. + */ + +/* TTBD: + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <fcntl.h> +#include <string.h> +#include <math.h> +#include "copyright.h" +#include "aconfig.h" +#include "numlib.h" +#include "icc.h" +#include "xicc.h" +#include "plot.h" + +#define PRES 100 + +static double start[13][4] = { + { 0.0, 0.0, 0.0, 0.0}, + { 0.0, 0.0, 0.0, 0.0}, + { 0.0, 0.0, 0.0, 0.0}, + { 0.0, 0.0, 0.0, 0.0}, + { 0.0, 0.0, 0.0, 0.0}, + { 0.0, 0.0, 0.0, 0.0}, + + { 0.0, 0.0, 0.0, 0.0}, + + { 1.0, 0.0, 0.0, 0.0}, + { 0.0, 1.0, 0.0, 0.0}, + { 0.0, 0.0, 1.0, 0.0}, + { 0.0, 1.0, 1.0, 0.0}, + { 1.0, 0.0, 1.0, 0.0}, + { 1.0, 1.0, 0.0, 0.0} +}; + +static double end[13][4] = { + { 1.0, 0.0, 0.0, 0.0}, + { 0.0, 1.0, 0.0, 0.0}, + { 0.0, 0.0, 1.0, 0.0}, + { 0.0, 1.0, 1.0, 0.0}, + { 1.0, 0.0, 1.0, 0.0}, + { 1.0, 1.0, 0.0, 0.0}, + + { 1.0, 1.0, 1.0, 0.0}, + + { 1.0, 1.0, 1.0, 0.0}, + { 1.0, 1.0, 1.0, 0.0}, + { 1.0, 1.0, 1.0, 0.0}, + { 1.0, 1.0, 1.0, 0.0}, + { 1.0, 1.0, 1.0, 0.0}, + { 1.0, 1.0, 1.0, 0.0} +}; + +static char *name[13] = { + "Black - Red", "Black - Green", "Black - Blue", + "Black - Cyan", "Black - Magenta", "Black - Yellow", + "Grey", + "Red - White", "Green - White", "Blue - White", + "Cyan - White", "Magenta - White", "Yellow - White", + }; + +#define USE_JAB /* Assume CRT in (2), print out (0) */ + +/* ---------------------------------------- */ + +void usage(void) { + fprintf(stderr,"Plot device space path L in/out curve from an ICC link file, Version %s\n",ARGYLL_VERSION_STR); + fprintf(stderr,"Author: Graeme W. Gill\n"); + fprintf(stderr,"usage: pathplot inprof linkprof outprof\n"); + fprintf(stderr," -v verbose\n"); + exit(1); +} + +int +main( + int argc, + char *argv[] +) { + int fa, nfa; /* argument we're looking at */ + int verb = 0; + char in_name[100]; + char link_name[100]; + char out_name[100]; + icmFile *in_fp, *link_fp, *out_fp; + icc *in_icco, *link_icco, *out_icco; + xicc *in_xicco, *out_xicco; + icmLuBase *link_lu; + icxLuBase *in_lu, *out_lu; + icColorSpaceSignature pcsor; /* PCS to use */ + icxViewCond ivc[1], ovc[1]; + int rv = 0; + + error_program = argv[0]; + + if (argc < 4) + usage(); + + /* Process the arguments */ + for(fa = 1;fa < argc;fa++) { + nfa = fa; /* skip to nfa if next argument is used */ + if (argv[fa][0] == '-') { /* Look for any flags */ + char *na = NULL; /* next argument after flag, null if none */ + + if (argv[fa][2] != '\000') + na = &argv[fa][2]; /* next is directly after flag */ + else { + if ((fa+1) < argc) { + if (argv[fa+1][0] != '-') { + nfa = fa + 1; + na = argv[nfa]; /* next is seperate non-flag argument */ + } + } + } + + /* Verbosity */ + if (argv[fa][1] == 'v' || argv[fa][1] == 'V') { + verb = 1; + } + else if (argv[fa][1] == '?') + usage(); + else + usage(); + } + else + break; + } + + if (fa >= argc || argv[fa][0] == '-') usage(); + strcpy(in_name,argv[fa++]); + + if (fa >= argc || argv[fa][0] == '-') usage(); + strcpy(link_name,argv[fa++]); + + if (fa >= argc || argv[fa][0] == '-') usage(); + strcpy(out_name,argv[fa++]); + + /* Open up the files for reading */ + if ((in_fp = new_icmFileStd_name(in_name,"r")) == NULL) + error ("Read: Can't open file '%s'",in_name); + + if ((in_icco = new_icc()) == NULL) + error ("Read: Creation of ICC object failed"); + + if ((rv = in_icco->read(in_icco,in_fp,0)) != 0) + error ("Read: %d, %s",rv,in_icco->err); + + if ((in_xicco = new_xicc(in_icco)) == NULL) + error ("Creation of input profile xicc failed"); + + + if ((link_fp = new_icmFileStd_name(link_name,"r")) == NULL) + error ("Read: Can't open file '%s'",link_name); + + if ((link_icco = new_icc()) == NULL) + error ("Read: Creation of ICC object failed"); + + if ((rv = link_icco->read(link_icco,link_fp,0)) != 0) + error ("Read: %d, %s",rv,link_icco->err); + + + if ((out_fp = new_icmFileStd_name(out_name,"r")) == NULL) + error ("Read: Can't open file '%s'",out_name); + + if ((out_icco = new_icc()) == NULL) + error ("Read: Creation of ICC object failed"); + + if ((rv = out_icco->read(out_icco,out_fp,0)) != 0) + error ("Read: %d, %s",rv,out_icco->err); + + if ((out_xicco = new_xicc(out_icco)) == NULL) + error ("Creation of output profile xicc failed"); + + +#ifdef USE_JAB + pcsor = icxSigJabData; /* Use CIECAM as PCS */ + + if (xicc_enum_viewcond(in_xicco, ivc, -2, "mt", 0, NULL) == -999) /* Set input at monitor in typical */ + error ("%d, %s",in_xicco->errc, in_xicco->err); + + if (xicc_enum_viewcond(out_xicco, ovc, -2, "pp", 0, NULL) == -999) /* Set output at practical reflection print */ + error ("%d, %s",out_xicco->errc, out_xicco->err); + +#else + pcsor = icSigLabData; /* Default use Lab as PCS */ +#endif /* !USE_JAB */ + + /* Device to PCS conversion object */ + if ((in_lu = in_xicco->get_luobj(in_xicco, ICX_CLIP_NEAREST, icmFwd, icAbsoluteColorimetric, pcsor, icmLuOrdNorm, ivc, NULL)) == NULL) { + if ((in_lu = in_xicco->get_luobj(in_xicco, ICX_CLIP_NEAREST, icmBwd, icmDefaultIntent, pcsor, icmLuOrdNorm, ivc, NULL)) == NULL) + error ("%d, %s",in_xicco->errc, in_xicco->err); + } + + /* Get a Device to Device conversion object */ + if ((link_lu = link_icco->get_luobj(link_icco, icmFwd, icmDefaultIntent, pcsor, icmLuOrdNorm)) == NULL) + error ("%d, %s",link_icco->errc, link_icco->err); + + /* Get a Device to PCS conversion object */ + if ((out_lu = out_xicco->get_luobj(out_xicco, ICX_CLIP_NEAREST, icmFwd, icAbsoluteColorimetric, pcsor, icmLuOrdNorm, ovc, NULL)) == NULL) { + if ((out_lu = out_xicco->get_luobj(out_xicco, ICX_CLIP_NEAREST, icmFwd, icmDefaultIntent, pcsor, icmLuOrdNorm, ovc, NULL)) == NULL) + error ("%d, %s",out_xicco->errc, out_xicco->err); + } + + { + double xx[PRES], yy[PRES]; + int k, i, j; + double tt[10], tt2[10]; + + for (k = 0; k < 13; k++) { + printf("Doing %s\n",name[k]); + + for (i = 0; i < PRES; i++) { + double frac = i/(PRES-1.0); + + for (j = 0; j < 4; j++) + tt[j] = (end[k][j] - start[k][j]) * frac + start[k][j]; + + if (verb) + printf(" %f %f %f -> ",tt[0],tt[1],tt[2]); + + /* input device space to PCS */ + if ((rv = in_lu->lookup(in_lu, tt2, tt)) > 1) + error ("%d, %s",in_icco->errc,in_icco->err); + + xx[i] = tt2[0]; /* L value */ + + /* input device space to output device space */ + if ((rv = link_lu->lookup(link_lu, tt, tt)) > 1) + error ("%d, %s",link_icco->errc,link_icco->err); + + /* output device space to PCS */ + if ((rv = out_lu->lookup(out_lu, tt, tt)) > 1) + error ("%d, %s",out_icco->errc,out_icco->err); + + yy[i] = tt[0]; /* L value */ + + if (verb) + printf("%f %f %f\n",tt[0],tt[1],tt[2]); + } + + if (do_plot(xx,yy,NULL,NULL,PRES) < 0) + error("do_plot returned -1!\n"); + } + + } + + /* Done with lookup objects */ + in_lu->del(in_lu); + link_lu->del(link_lu); + out_lu->del(out_lu); + + in_icco->del(in_icco); + in_fp->del(in_fp); + link_icco->del(link_icco); + link_fp->del(link_fp); + out_icco->del(out_icco); + out_fp->del(out_fp); + + return 0; +} + |