summaryrefslogtreecommitdiff
path: root/xicc/xfbview.c
diff options
context:
space:
mode:
Diffstat (limited to 'xicc/xfbview.c')
-rw-r--r--xicc/xfbview.c703
1 files changed, 703 insertions, 0 deletions
diff --git a/xicc/xfbview.c b/xicc/xfbview.c
new file mode 100644
index 0000000..6abf176
--- /dev/null
+++ b/xicc/xfbview.c
@@ -0,0 +1,703 @@
+
+/*
+ * View inv fwd table device interp of an ICC file, V1.23\n");
+ *
+ * Author: Graeme W. Gill
+ * Date: 2000/12/8
+ * Version: 1.23
+ *
+ * Copyright 2000 Graeme W. Gill
+ * Please refer to License.txt file for 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"
+
+#define RW 0.5 /* Device Delta */
+
+/* - - - - - - - - - - - - - */
+
+/* Return maximum difference */
+double maxdiff(double in1[3], double in2[3]) {
+ double tt, rv = 0.0;
+ if ((tt = fabs(in1[0] - in2[0])) > rv)
+ rv = tt;
+ if ((tt = fabs(in1[1] - in2[1])) > rv)
+ rv = tt;
+ if ((tt = fabs(in1[2] - in2[2])) > rv)
+ rv = tt;
+ return rv;
+}
+
+/* Return absolute difference */
+double absdiff(double in1[3], double in2[3]) {
+ double tt, rv = 0.0;
+ tt = in1[0] - in2[0];
+ rv += tt * tt;
+ tt = in1[1] - in2[1];
+ rv += tt * tt;
+ tt = in1[2] - in2[2];
+ rv += tt * tt;
+ return sqrt(rv);
+}
+
+/* ---------------------------------------- */
+
+void usage(void) {
+ fprintf(stderr,"View inv fwd table device interp of an ICC file, Version %s\n",ARGYLL_VERSION_STR);
+ fprintf(stderr,"Author: Graeme W. Gill, licensed under the AGPL Version 3\n");
+ fprintf(stderr,"usage: fbtest [options] infile\n");
+ fprintf(stderr," -v verbose\n");
+ fprintf(stderr," -f Show PCS target -> reference clipped PCS vectors\n");
+ fprintf(stderr," -d Show PCS target -> average of device ref clippped PCS\n");
+ fprintf(stderr," -b Show PCS target -> B2A lookup clipped PCS\n");
+ fprintf(stderr," -e Show reference cliped PCS -> B2A lookup clipped PCS\n");
+ fprintf(stderr," -r res Resolution of test grid\n");
+ fprintf(stderr," -g Do full grid, not just L = 0\n");
+ fprintf(stderr," -c Do all values, not just clipped ones\n");
+ fprintf(stderr," -l tlimit set total ink limit, 0 - 400%% (estimate by default)\n");
+ fprintf(stderr," -L klimit set black ink limit, 0 - 100%% (estimate by default)\n");
+ exit(1);
+}
+
+int
+main(
+ int argc,
+ char *argv[]
+) {
+ int fa,nfa; /* argument we're looking at */
+ int verb = 0;
+ int doaxes = 0;
+ double tlimit = -1.0; /* Total ink limit */
+ double klimit = -1.0; /* Black ink limit */
+ int tres = 33;
+ int doref = 0; /* Show reference lookups */
+ int dodelta = 0; /* Show device interp delta variation */
+ int dob2a = 0; /* Show B2A lookups */
+ int doeee = 0; /* Show clipped ref PCS to B2A clipped PCS */
+ int dilzero = 1; /* Do just L = 0 plane */
+ int doclip = 1; /* Do just clipped values */
+ char in_name[100];
+ char *xl, out_name[100];
+ icmFile *rd_fp;
+ icc *rd_icco;
+ int rv = 0;
+ icColorSpaceSignature ins, outs; /* Type of input and output spaces */
+
+ error_program = argv[0];
+
+ if (argc < 2)
+ 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;
+ }
+ /* Show reference */
+ else if (argv[fa][1] == 'f' || argv[fa][1] == 'F') {
+ doref = 1;
+ }
+ /* Show device delta variation */
+ else if (argv[fa][1] == 'd' || argv[fa][1] == 'D') {
+ dodelta = 1;
+ }
+ /* Show B2A table lookup */
+ else if (argv[fa][1] == 'b' || argv[fa][1] == 'B') {
+ dob2a = 1;
+ }
+ /* Show reference clipped PCS to clipped B2A PCS */
+ else if (argv[fa][1] == 'e' || argv[fa][1] == 'E') {
+ doeee = 1;
+ }
+ /* Do the full grid, not just L = 0 */
+ else if (argv[fa][1] == 'g' || argv[fa][1] == 'G') {
+ dilzero = 0;
+ }
+ /* Do all values, not just clipped ones */
+ else if (argv[fa][1] == 'c' || argv[fa][1] == 'C') {
+ doclip = 0;
+ }
+ /* Ink limit */
+ else if (argv[fa][1] == 'l') {
+ fa = nfa;
+ if (na == NULL) usage();
+ tlimit = atoi(na)/100.0;
+ }
+ else if (argv[fa][1] == 'L') {
+ fa = nfa;
+ if (na == NULL) usage();
+ klimit = atoi(na)/100.0;
+ }
+
+ /* Resolution */
+ else if (argv[fa][1] == 'r' || argv[fa][1] == 'R') {
+ fa = nfa;
+ if (na == NULL) usage();
+ tres = atoi(na);
+ }
+
+ else if (argv[fa][1] == '?')
+ usage();
+ else
+ usage();
+ }
+ else
+ break;
+ }
+
+ if (fa >= argc || argv[fa][0] == '-') usage();
+ strcpy(in_name,argv[fa]);
+
+ strcpy(out_name, in_name);
+ if ((xl = strrchr(out_name, '.')) == NULL) /* Figure where extention is */
+ xl = out_name + strlen(out_name);
+ strcpy(xl,".wrl");
+
+ /* Open up the file for reading */
+ if ((rd_fp = new_icmFileStd_name(in_name,"r")) == NULL)
+ error ("Read: Can't open file '%s'",in_name);
+
+ if ((rd_icco = new_icc()) == NULL)
+ error ("Read: Creation of ICC object failed");
+
+ /* Read the header and tag list */
+ if ((rv = rd_icco->read(rd_icco,rd_fp,0)) != 0)
+ error ("Read: %d, %s",rv,rd_icco->err);
+
+ /* Run the target Lab values through the bwd and fwd tables, */
+ /* to compute the overall error. */
+ {
+#define GAMUT_LCENT 50.0
+ xicc *xicco;
+ icxLuBase *luo;
+ icxInk ink; /* Ink parameters */
+ FILE *wrl;
+ struct {
+ double x, y, z;
+ double wx, wy, wz;
+ double r, g, b;
+ } axes[5] = {
+ { 0, 0, 50-GAMUT_LCENT, 2, 2, 100, .7, .7, .7 }, /* L axis */
+ { 50, 0, 0-GAMUT_LCENT, 100, 2, 2, 1, 0, 0 }, /* +a (red) axis */
+ { 0, -50, 0-GAMUT_LCENT, 2, 100, 2, 0, 0, 1 }, /* -b (blue) axis */
+ { -50, 0, 0-GAMUT_LCENT, 100, 2, 2, 0, 1, 0 }, /* -a (green) axis */
+ { 0, 50, 0-GAMUT_LCENT, 2, 100, 2, 1, 1, 0 }, /* +b (yellow) axis */
+ };
+ int coa[4];
+ int i, j;
+
+ /* Wrap with an expanded icc */
+ if ((xicco = new_xicc(rd_icco)) == NULL)
+ error ("Creation of xicc failed");
+
+ /* Set the default ink limits if not set on command line */
+ icxDefaultLimits(xicco, &ink.tlimit, tlimit, &ink.klimit, klimit);
+
+ if (verb) {
+ if (ink.tlimit >= 0.0)
+ printf("Total ink limit assumed is %3.0f%%\n",100.0 * ink.tlimit);
+ if (ink.klimit >= 0.0)
+ printf("Black ink limit assumed is %3.0f%%\n",100.0 * ink.klimit);
+ }
+
+ ink.c.Ksmth = ICXINKDEFSMTH; /* Default smoothing */
+ ink.c.Kskew = ICXINKDEFSKEW; /* default curve skew */
+ ink.c.Kstle = 0.5; /* Min K at white end */
+ ink.c.Kstpo = 0.5; /* Start of transition is at white */
+ ink.c.Kenle = 0.5; /* Max K at black end */
+ ink.c.Kenpo = 0.5; /* End transition at black */
+ ink.c.Kshap = 1.0; /* Linear transition */
+
+ /* Get a Device to PCS conversion object */
+ if ((luo = xicco->get_luobj(xicco, ICX_CLIP_NEAREST, icmFwd, icAbsoluteColorimetric, icSigLabData, icmLuOrdNorm, NULL, &ink)) == NULL) {
+ if ((luo = xicco->get_luobj(xicco, ICX_CLIP_NEAREST, icmFwd, icmDefaultIntent, icSigLabData, icmLuOrdNorm, NULL, &ink)) == NULL)
+ error ("%d, %s",rd_icco->errc, rd_icco->err);
+ }
+ /* Get details of conversion */
+ luo->spaces(luo, &ins, NULL, &outs, NULL, NULL, NULL, NULL, NULL);
+
+ if (ins != icSigCmykData) {
+ error("Expecting CMYK device");
+ }
+
+ if ((wrl = fopen(out_name,"w")) == NULL) {
+ fprintf(stderr,"Error opening output file '%s'\n",out_name);
+ return 2;
+ }
+
+ /* Spit out a VRML 2 Object surface of gamut */
+
+ fprintf(wrl,"#VRML V2.0 utf8\n");
+ fprintf(wrl,"\n");
+ fprintf(wrl,"# Created by the Argyll CMS\n");
+ fprintf(wrl,"Transform {\n");
+ fprintf(wrl,"children [\n");
+ fprintf(wrl," NavigationInfo {\n");
+ fprintf(wrl," type \"EXAMINE\" # It's an object we examine\n");
+ fprintf(wrl," } # We'll add our own light\n");
+ fprintf(wrl,"\n");
+ fprintf(wrl," DirectionalLight {\n");
+ fprintf(wrl," direction 0 0 -1 # Light illuminating the scene\n");
+ fprintf(wrl," direction 0 -1 0 # Light illuminating the scene\n");
+ fprintf(wrl," }\n");
+ fprintf(wrl,"\n");
+ fprintf(wrl," Viewpoint {\n");
+ fprintf(wrl," position 0 0 340 # Position we view from\n");
+ fprintf(wrl," }\n");
+ fprintf(wrl,"\n");
+ if (doaxes != 0) {
+ fprintf(wrl,"# Lab axes as boxes:\n");
+ for (i = 0; i < 5; i++) {
+ fprintf(wrl,"Transform { translation %f %f %f\n", axes[i].x, axes[i].y, axes[i].z);
+ fprintf(wrl,"\tchildren [\n");
+ fprintf(wrl,"\t\tShape{\n");
+ fprintf(wrl,"\t\t\tgeometry Box { size %f %f %f }\n",
+ axes[i].wx, axes[i].wy, axes[i].wz);
+ fprintf(wrl,"\t\t\tappearance Appearance { material Material ");
+ fprintf(wrl,"{ diffuseColor %f %f %f} }\n", axes[i].r, axes[i].g, axes[i].b);
+ fprintf(wrl,"\t\t}\n");
+ fprintf(wrl,"\t]\n");
+ fprintf(wrl,"}\n");
+ }
+ fprintf(wrl,"\n");
+ }
+
+ /* ---------------------------------------------- */
+ /* The PCS target -> Reference clipped vectors */
+
+ if (doref) {
+ if (verb)
+ printf("Doing PCS target to reference clipped PCS Vectors\n");
+
+ fprintf(wrl,"\n");
+ fprintf(wrl,"Shape {\n");
+ fprintf(wrl," geometry IndexedLineSet { \n");
+ fprintf(wrl," coord Coordinate { \n");
+ fprintf(wrl," point [\n");
+
+ i = 0;
+ for (coa[0] = 0; coa[0] < tres; coa[0]++) {
+ for (coa[1] = 0; coa[1] < tres; coa[1]++) {
+ for (coa[2] = 0; coa[2] < tres; coa[2]++) {
+ double in[4], dev[4], out[4];
+ double temp[4];
+ int rv1, rv2;
+
+ temp[0] = coa[0]/(tres-1.0);
+ temp[1] = coa[1]/(tres-1.0);
+ temp[2] = coa[2]/(tres-1.0);
+
+ /* PCS values */
+ in[0] = temp[0] * 100.0;
+ in[1] = 200.0 * temp[1] -100.0;
+ in[2] = 200.0 * temp[2] -100.0;
+
+ /* Do reference lookup */
+
+ /* PCS -> Device */
+ if ((rv2 = luo->inv_lookup(luo, dev, in)) > 1)
+ error ("%d, %s",rd_icco->errc,rd_icco->err);
+
+ if (doclip && rv2 != 1) /* Not clip */
+ continue;
+
+ /* Device -> PCS */
+ if ((rv1 = luo->lookup(luo, out, dev)) > 1)
+ error ("%d, %s",rd_icco->errc,rd_icco->err);
+
+ if (verb)
+ printf("."), fflush(stdout);
+
+ /* Input PCS to ideal (Inverse AtoB) clipped PCS values */
+ fprintf(wrl,"%f %f %f,\n",in[1], in[2], in[0]-GAMUT_LCENT);
+ fprintf(wrl,"%f %f %f,\n",out[1], out[2], out[0]-GAMUT_LCENT);
+ i++;
+ }
+ }
+ if (dilzero)
+ break;
+ }
+
+ if (verb)
+ printf("\n");
+ fprintf(wrl," ]\n");
+ fprintf(wrl," }\n");
+ fprintf(wrl," coordIndex [\n");
+
+ for (j = 0; j < i; j++) {
+ fprintf(wrl,"%d, %d, -1,\n", j * 2, j * 2 + 1);
+ }
+ fprintf(wrl," ]\n");
+ fprintf(wrl," }\n");
+ fprintf(wrl,"appearance Appearance { material Material { emissiveColor 1.0 0.1 0.1} }\n");
+ fprintf(wrl,"} # end shape\n");
+ }
+
+ /* ---------------------------------------------- */
+ /* The Device Delta lines */
+ /* The PCS target -> clipped from average of surrounding device values, vectors */
+
+ if (dodelta) {
+ if (verb)
+ printf("Doing target PCS to average of 4 surrounding device to PCS Vectors\n");
+
+ fprintf(wrl,"\n");
+ fprintf(wrl,"Shape {\n");
+ fprintf(wrl," geometry IndexedLineSet { \n");
+ fprintf(wrl," coord Coordinate { \n");
+ fprintf(wrl," point [\n");
+
+ i = 0;
+ for (coa[0] = 0; coa[0] < tres; coa[0]++) {
+ for (coa[1] = 0; coa[1] < tres; coa[1]++) {
+ for (coa[2] = 0; coa[2] < tres; coa[2]++) {
+ double in[4], dev[4], out[4];
+ double in4[4], check[4];
+ double temp[4], adev[4];
+ double dev0[4], dev1[4], dev2[4], dev3[4];
+ int rv1, rv2;
+
+ temp[0] = coa[0]/(tres-1.0);
+ temp[1] = coa[1]/(tres-1.0);
+ temp[2] = coa[2]/(tres-1.0);
+
+ in[0] = temp[0] * 100.0;
+ in[1] = 200.0 * temp[1] -100.0;
+ in[2] = 200.0 * temp[2] -100.0;
+
+ /* Do reference lookup */
+
+ /* PCS -> ideal Device */
+ if ((rv2 = luo->inv_lookup(luo, dev, in)) > 1)
+ error ("%d, %s",rd_icco->errc,rd_icco->err);
+
+ if (doclip && rv2 != 1) /* Not clip */
+ continue;
+
+ /* Device -> PCS check value */
+ if ((rv1 = luo->lookup(luo, check, dev)) > 1)
+ error ("%d, %s",rd_icco->errc,rd_icco->err);
+
+ /* - - - - - - - - - - - - - - - */
+ /* Now do average in device space of two points */
+ temp[0] = coa[0]/(tres-1.0);
+ temp[1] = (coa[1]-RW)/(tres-1.0);
+ temp[2] = (coa[2]-RW)/(tres-1.0);
+
+ in4[0] = temp[0] * 100.0;
+ in4[1] = 200.0 * temp[1] -100.0;
+ in4[2] = 200.0 * temp[2] -100.0;
+
+ /* PCS -> Device */
+ if ((rv2 = luo->inv_lookup(luo, dev0, in4)) > 1)
+ error ("%d, %s",rd_icco->errc,rd_icco->err);
+
+ adev[0] = 0.25 * dev0[0];
+ adev[1] = 0.25 * dev0[1];
+ adev[2] = 0.25 * dev0[2];
+ adev[3] = 0.25 * dev0[3];
+
+ temp[0] = coa[0]/(tres-1.0);
+ temp[1] = (coa[1]+RW)/(tres-1.0);
+ temp[2] = (coa[2]-RW)/(tres-1.0);
+
+ in4[0] = temp[0] * 100.0;
+ in4[1] = 200.0 * temp[1] -100.0;
+ in4[2] = 200.0 * temp[2] -100.0;
+
+ /* PCS -> Device */
+ if ((rv2 = luo->inv_lookup(luo, dev1, in4)) > 1)
+ error ("%d, %s",rd_icco->errc,rd_icco->err);
+
+ adev[0] += 0.25 * dev1[0];
+ adev[1] += 0.25 * dev1[1];
+ adev[2] += 0.25 * dev1[2];
+ adev[3] += 0.25 * dev1[3];
+
+ temp[0] = coa[0]/(tres-1.0);
+ temp[1] = (coa[1]-RW)/(tres-1.0);
+ temp[2] = (coa[2]+RW)/(tres-1.0);
+
+ in4[0] = temp[0] * 100.0;
+ in4[1] = 200.0 * temp[1] -100.0;
+ in4[2] = 200.0 * temp[2] -100.0;
+
+ /* PCS -> Device */
+ if ((rv2 = luo->inv_lookup(luo, dev2, in4)) > 1)
+ error ("%d, %s",rd_icco->errc,rd_icco->err);
+
+ adev[0] += 0.25 * dev2[0];
+ adev[1] += 0.25 * dev2[1];
+ adev[2] += 0.25 * dev2[2];
+ adev[3] += 0.25 * dev2[3];
+
+ temp[0] = coa[0]/(tres-1.0);
+ temp[1] = (coa[1]+RW)/(tres-1.0);
+ temp[2] = (coa[2]+RW)/(tres-1.0);
+
+ in4[0] = temp[0] * 100.0;
+ in4[1] = 200.0 * temp[1] -100.0;
+ in4[2] = 200.0 * temp[2] -100.0;
+
+ /* PCS -> Device */
+ if ((rv2 = luo->inv_lookup(luo, dev3, in4)) > 1)
+ error ("%d, %s",rd_icco->errc,rd_icco->err);
+
+ adev[0] += 0.25 * dev3[0];
+ adev[1] += 0.25 * dev3[1];
+ adev[2] += 0.25 * dev3[2];
+ adev[3] += 0.25 * dev3[3];
+
+ /* Device -> PCS */
+ if ((rv1 = luo->lookup(luo, out, adev)) > 1)
+ error ("%d, %s",rd_icco->errc,rd_icco->err);
+
+ if (verb)
+ printf("."), fflush(stdout);
+
+ fprintf(wrl,"%f %f %f,\n",in[1], in[2], in[0]-GAMUT_LCENT);
+ fprintf(wrl,"%f %f %f,\n",out[1], out[2], out[0]-GAMUT_LCENT);
+ i++;
+ }
+ }
+ if (dilzero)
+ break;
+ }
+
+ if (verb)
+ printf("\n");
+ fprintf(wrl," ]\n");
+ fprintf(wrl," }\n");
+ fprintf(wrl," coordIndex [\n");
+
+ for (j = 0; j < i; j++) {
+ fprintf(wrl,"%d, %d, -1,\n", j * 2, j * 2 + 1);
+ }
+ fprintf(wrl," ]\n");
+ fprintf(wrl," }\n");
+ fprintf(wrl,"appearance Appearance { material Material { emissiveColor 0.9 0.9 0.9} }\n");
+ fprintf(wrl,"} # end shape\n");
+
+ }
+
+ /* ---------------------------------------------- */
+ /* The target PCS -> clipped PCS using B2A table vectore */
+
+ if (dob2a) {
+ icxLuBase *luoB;
+
+ /* Get a PCS to Device conversion object */
+ if ((luoB = xicco->get_luobj(xicco, ICX_CLIP_NEAREST, icmBwd, icAbsoluteColorimetric,
+ icSigLabData, icmLuOrdNorm, NULL, &ink)) == NULL) {
+ if ((luoB = xicco->get_luobj(xicco, ICX_CLIP_NEAREST, icmBwd, icmDefaultIntent,
+ icSigLabData, icmLuOrdNorm, NULL, &ink)) == NULL)
+ error ("%d, %s",rd_icco->errc, rd_icco->err);
+ }
+
+ if (verb)
+ printf("Doing target PCS to B2A clipped PCS Vectors\n");
+
+ fprintf(wrl,"\n");
+ fprintf(wrl,"Shape {\n");
+ fprintf(wrl," geometry IndexedLineSet { \n");
+ fprintf(wrl," coord Coordinate { \n");
+ fprintf(wrl," point [\n");
+
+ i = 0;
+ for (coa[0] = 0; coa[0] < tres; coa[0]++) {
+ for (coa[1] = 0; coa[1] < tres; coa[1]++) {
+ for (coa[2] = 0; coa[2] < tres; coa[2]++) {
+ double in[4], dev[4], out[4];
+ double temp[4];
+ int rv1, rv2;
+
+ temp[0] = coa[0]/(tres-1.0);
+ temp[1] = coa[1]/(tres-1.0);
+ temp[2] = coa[2]/(tres-1.0);
+
+ in[0] = temp[0] * 100.0;
+ in[1] = 200.0 * temp[1] -100.0;
+ in[2] = 200.0 * temp[2] -100.0;
+
+ /* PCS -> Device */
+ if ((rv2 = luoB->lookup(luoB, dev, in)) > 1)
+ error ("%d, %s",rd_icco->errc,rd_icco->err);
+
+ if (doclip && rv2 != 1) /* Not clip */
+ continue;
+
+ /* Device -> PCS */
+ if ((rv1 = luo->lookup(luo, out, dev)) > 1)
+ error ("%d, %s",rd_icco->errc,rd_icco->err);
+
+ if (verb)
+ printf("."), fflush(stdout);
+
+ fprintf(wrl,"%f %f %f,\n",in[1], in[2], in[0]-GAMUT_LCENT);
+ fprintf(wrl,"%f %f %f,\n",out[1], out[2], out[0]-GAMUT_LCENT);
+ i++;
+ }
+ }
+ if (dilzero)
+ break;
+ }
+
+ if (verb)
+ printf("\n");
+ fprintf(wrl," ]\n");
+ fprintf(wrl," }\n");
+ fprintf(wrl," coordIndex [\n");
+
+ for (j = 0; j < i; j++) {
+ fprintf(wrl,"%d, %d, -1,\n", j * 2, j * 2 + 1);
+ }
+ fprintf(wrl," ]\n");
+ fprintf(wrl," }\n");
+ fprintf(wrl,"appearance Appearance { material Material { emissiveColor 0.9 0.9 0.9} }\n");
+ fprintf(wrl,"} # end shape\n");
+
+ luoB->del(luoB);
+ }
+
+ /* ---------------------------------------------- */
+ /* The reference clipped PCS -> B2A clipped PCS vectore */
+
+ if (doeee) {
+ icxLuBase *luoB;
+
+ /* Get a PCS to Device conversion object */
+ if ((luoB = xicco->get_luobj(xicco, ICX_CLIP_NEAREST, icmBwd, icAbsoluteColorimetric,
+ icSigLabData, icmLuOrdNorm, NULL, &ink)) == NULL) {
+ if ((luoB = xicco->get_luobj(xicco, ICX_CLIP_NEAREST, icmBwd, icmDefaultIntent,
+ icSigLabData, icmLuOrdNorm, NULL, &ink)) == NULL)
+ error ("%d, %s",rd_icco->errc, rd_icco->err);
+ }
+
+ if (verb)
+ printf("Doing reference clipped PCS to B2A table clipped PCS Vectors\n");
+
+ fprintf(wrl,"\n");
+ fprintf(wrl,"Shape {\n");
+ fprintf(wrl," geometry IndexedLineSet { \n");
+ fprintf(wrl," coord Coordinate { \n");
+ fprintf(wrl," point [\n");
+
+ i = 0;
+ for (coa[0] = 0; coa[0] < tres; coa[0]++) {
+ for (coa[1] = 0; coa[1] < tres; coa[1]++) {
+ for (coa[2] = 0; coa[2] < tres; coa[2]++) {
+ double in[4], dev[4], out[4];
+ double check[4];
+ double temp[4];
+ int rv1, rv2;
+
+ temp[0] = coa[0]/(tres-1.0);
+ temp[1] = coa[1]/(tres-1.0);
+ temp[2] = coa[2]/(tres-1.0);
+
+ in[0] = temp[0] * 100.0;
+ in[1] = 200.0 * temp[1] -100.0;
+ in[2] = 200.0 * temp[2] -100.0;
+
+ /* Do reference lookup */
+ /* PCS -> Device */
+ if ((rv1 = luo->inv_lookup(luo, dev, in)) > 1)
+ error ("%d, %s",rd_icco->errc,rd_icco->err);
+
+ /* Device -> PCS */
+ if (luo->lookup(luo, check, dev) > 1)
+ error ("%d, %s",rd_icco->errc,rd_icco->err);
+
+ /* Do B2A table lookup */
+ /* PCS -> Device */
+ if ((rv2 = luoB->lookup(luoB, dev, in)) > 1)
+ error ("%d, %s",rd_icco->errc,rd_icco->err);
+
+ /* Device -> PCS */
+ if (luo->lookup(luo, out, dev) > 1)
+ error ("%d, %s",rd_icco->errc,rd_icco->err);
+
+ if (doclip && rv1 != 1 && rv2 != 1) /* Not clip */
+ continue;
+
+ if (verb)
+ printf("."), fflush(stdout);
+
+ fprintf(wrl,"%f %f %f,\n",check[1], check[2], check[0]-GAMUT_LCENT);
+ fprintf(wrl,"%f %f %f,\n",out[1], out[2], out[0]-GAMUT_LCENT);
+ i++;
+ }
+ }
+ if (dilzero)
+ break;
+ }
+
+ if (verb)
+ printf("\n");
+ fprintf(wrl," ]\n");
+ fprintf(wrl," }\n");
+ fprintf(wrl," coordIndex [\n");
+
+ for (j = 0; j < i; j++) {
+ fprintf(wrl,"%d, %d, -1,\n", j * 2, j * 2 + 1);
+ }
+ fprintf(wrl," ]\n");
+ fprintf(wrl," }\n");
+ fprintf(wrl,"appearance Appearance { material Material { emissiveColor 0.9 0.9 0.9} }\n");
+ fprintf(wrl,"} # end shape\n");
+
+ luoB->del(luoB);
+ }
+
+ /* ---------------------------------------------- */
+
+ fprintf(wrl,"\n");
+ fprintf(wrl," ] # end of children for world\n");
+ fprintf(wrl,"}\n");
+
+ if (fclose(wrl) != 0) {
+ fprintf(stderr,"Error closing output file '%s'\n",out_name);
+ return 2;
+ }
+
+ /* Done with lookup object */
+ luo->del(luo);
+ xicco->del(xicco);
+ }
+
+ rd_icco->del(rd_icco);
+ rd_fp->del(rd_fp);
+
+ return 0;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 12:59:09 +0000