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Diffstat (limited to 'icc/mcheck.c')
-rw-r--r--icc/mcheck.c250
1 files changed, 19 insertions, 231 deletions
diff --git a/icc/mcheck.c b/icc/mcheck.c
index 54811c3..a392f31 100644
--- a/icc/mcheck.c
+++ b/icc/mcheck.c
@@ -24,6 +24,7 @@
#include <fcntl.h>
#include <string.h>
#include <math.h>
+#include "vrml.h"
#include "icc.h"
void error(char *fmt, ...), warning(char *fmt, ...);
@@ -31,24 +32,18 @@ void error(char *fmt, ...), warning(char *fmt, ...);
void usage(void) {
fprintf(stderr,"Check device to PCS monotonicity of a CMYK ICC file, V%s\n",ICCLIB_VERSION_STR);
fprintf(stderr,"Author: Graeme W. Gill\n");
- fprintf(stderr,"usage: kcheck [-v] [-w] infile\n");
+ fprintf(stderr,"usage: mcheck [-v] [-w] infile\n");
fprintf(stderr," -v verbose\n");
fprintf(stderr," -c Check just Cyan monotonicity\n");
fprintf(stderr," -m Check just Magenta monotonicity\n");
fprintf(stderr," -y Check just Yellow monotonicity\n");
fprintf(stderr," -k Check just Black monotonicity\n");
- fprintf(stderr," -w create VRML visualisation\n");
+ fprintf(stderr," -w create %s visualisation\n",vrml_format());
+ fprintf(stderr," -x use %s axes\n",vrml_format());
exit(1);
}
-#define MGR 50 /* Maximum grid resolution handled */
-
-
-FILE *start_vrml(char *name, int doaxes);
-void start_line_set(FILE *wrl);
-void add_vertex(FILE *wrl, double pp[3]);
-void make_lines(FILE *wrl, int ppset);
-void end_vrml(FILE *wrl);
+#define MGR 50 /* Maximum grid resolution handled */
int
main(
@@ -73,7 +68,7 @@ main(
icColorSpaceSignature ins, outs; /* Type of input and output spaces */
int inn; /* Number of input chanels */
icmLuAlgType alg;
- FILE *wrl;
+ vrml *wrl;
int dx[4]; /* Device index mapping */
int chan, cs, ce;
@@ -101,7 +96,7 @@ main(
if (argv[fa][1] == 'v' || argv[fa][1] == 'V') {
verb = 1;
}
- /* VRML */
+ /* VRML/X3D */
else if (argv[fa][1] == 'w' || argv[fa][1] == 'W') {
dovrml = 1;
}
@@ -121,6 +116,9 @@ main(
else if (argv[fa][1] == 'k' || argv[fa][1] == 'K') {
cchan = 3;
}
+ else if (argv[fa][1] == 'x') {
+ doaxes = 1;
+ }
else if (argv[fa][1] == '?')
usage();
else
@@ -136,7 +134,7 @@ main(
strcpy(out_name, in_name);
if ((xl = strrchr(out_name, '.')) == NULL) /* Figure where extention is */
xl = out_name + strlen(out_name);
- strcpy(xl,".wrl");
+ xl[0] = '\000'; /* Remove extension */
/* Open up the file for reading */
if ((rd_fp = new_icmFileStd_name(in_name,"r")) == NULL)
@@ -177,8 +175,10 @@ main(
}
if (dovrml) {
- wrl = start_vrml(out_name, doaxes);
- start_line_set(wrl);
+ wrl = new_vrml(out_name, doaxes, vrml_lab);
+ if (wrl == NULL)
+ error("new_vrml for '%s%s' failed",out_name,vrml_ext());
+ wrl->start_line_set(wrl, 0);
}
/* For all the device chanels chosen */
@@ -237,7 +237,7 @@ main(
error ("%d, %s",rd_icco->errc,rd_icco->err);
// if (dovrml)
-// add_vertex(wrl, pcs[ck]);
+// wrl->add_vertex(wrl, 0, pcs[ck]);
}
/* Compute average vector direction */
@@ -276,7 +276,7 @@ main(
/* Display just the non mono threads */
if (nm && dovrml) {
for (j = 0; j < gres; j++)
- add_vertex(wrl, pcs[j]);
+ wrl->add_vertex(wrl, 0, pcs[j]);
}
if (verb) {
printf("."); fflush(stdout);
@@ -287,8 +287,8 @@ main(
}
if (dovrml) {
- make_lines(wrl, gres);
- end_vrml(wrl);
+ wrl->make_lines(wrl, 0, gres);
+ wrl->del(wrl);
}
/* Done with lookup object */
@@ -301,218 +301,6 @@ main(
}
/* ------------------------------------------------ */
-/* Some simple functions to do basix VRML work */
-
-#define GAMUT_LCENT 50.0
-static int npoints = 0;
-static int paloc = 0;
-static struct { double pp[3]; } *pary;
-
-static void Lab2RGB(double *out, double *in);
-
-FILE *start_vrml(char *name, int doaxes) {
- 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 i;
-
- if ((wrl = fopen(name,"w")) == NULL)
- error("Error opening VRML file '%s'\n",name);
-
- npoints = 0;
-
- 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");
- }
-
- return wrl;
-}
-
-void
-start_line_set(FILE *wrl) {
-
- fprintf(wrl,"\n");
- fprintf(wrl,"Shape {\n");
- fprintf(wrl," geometry IndexedLineSet { \n");
- fprintf(wrl," coord Coordinate { \n");
- fprintf(wrl," point [\n");
-}
-
-void add_vertex(FILE *wrl, double pp[3]) {
-
- fprintf(wrl,"%f %f %f,\n",pp[1], pp[2], pp[0]-GAMUT_LCENT);
-
- if (paloc < (npoints+1)) {
- paloc = (paloc + 10) * 2;
- if (pary == NULL)
- pary = malloc(paloc * 3 * sizeof(double));
- else
- pary = realloc(pary, paloc * 3 * sizeof(double));
-
- if (pary == NULL)
- error ("Malloc failed");
- }
- pary[npoints].pp[0] = pp[0];
- pary[npoints].pp[1] = pp[1];
- pary[npoints].pp[2] = pp[2];
- npoints++;
-}
-
-
-void make_lines(FILE *wrl, int ppset) {
- int i, j;
-
- fprintf(wrl," ]\n");
- fprintf(wrl," }\n");
- fprintf(wrl," coordIndex [\n");
-
- for (i = 0; i < npoints;) {
- for (j = 0; j < ppset; j++, i++) {
- fprintf(wrl,"%d, ", i);
- }
- fprintf(wrl,"-1,\n");
- }
- fprintf(wrl," ]\n");
-
- /* Color */
- fprintf(wrl," colorPerVertex TRUE\n");
- fprintf(wrl," color Color {\n");
- fprintf(wrl," color [ # RGB colors of each vertex\n");
-
- for (i = 0; i < npoints; i++) {
- double rgb[3], Lab[3];
- Lab[0] = pary[i].pp[0];
- Lab[1] = pary[i].pp[1];
- Lab[2] = pary[i].pp[2];
- Lab2RGB(rgb, Lab);
- fprintf(wrl," %f %f %f,\n", rgb[0], rgb[1], rgb[2]);
- }
- fprintf(wrl," ] \n");
- fprintf(wrl," }\n");
- /* End color */
-
- fprintf(wrl," }\n");
- fprintf(wrl,"} # end shape\n");
-
-}
-
-void end_vrml(FILE *wrl) {
-
- fprintf(wrl,"\n");
- fprintf(wrl," ] # end of children for world\n");
- fprintf(wrl,"}\n");
-
- if (fclose(wrl) != 0)
- error("Error closing VRML file\n");
-}
-
-
-/* Convert a gamut Lab value to an RGB value for display purposes */
-static void
-Lab2RGB(double *out, double *in) {
- double L = in[0], a = in[1], b = in[2];
- double x,y,z,fx,fy,fz;
- double R, G, B;
-
- /* Scale so that black is visible */
- L = L * (100 - 40.0)/100.0 + 40.0;
-
- /* First convert to XYZ using D50 white point */
- if (L > 8.0) {
- fy = (L + 16.0)/116.0;
- y = pow(fy,3.0);
- } else {
- y = L/903.2963058;
- fy = 7.787036979 * y + 16.0/116.0;
- }
-
- fx = a/500.0 + fy;
- if (fx > 24.0/116.0)
- x = pow(fx,3.0);
- else
- x = (fx - 16.0/116.0)/7.787036979;
-
- fz = fy - b/200.0;
- if (fz > 24.0/116.0)
- z = pow(fz,3.0);
- else
- z = (fz - 16.0/116.0)/7.787036979;
-
- x *= 0.9642; /* Multiply by white point, D50 */
- y *= 1.0;
- z *= 0.8249;
-
- /* Now convert to sRGB values */
- R = x * 3.2410 + y * -1.5374 + z * -0.4986;
- G = x * -0.9692 + y * 1.8760 + z * 0.0416;
- B = x * 0.0556 + y * -0.2040 + z * 1.0570;
-
- if (R < 0.0)
- R = 0.0;
- else if (R > 1.0)
- R = 1.0;
-
- if (G < 0.0)
- G = 0.0;
- else if (G > 1.0)
- G = 1.0;
-
- if (B < 0.0)
- B = 0.0;
- else if (B > 1.0)
- B = 1.0;
-
- R = pow(R, 1.0/2.2);
- G = pow(G, 1.0/2.2);
- B = pow(B, 1.0/2.2);
-
- out[0] = R;
- out[1] = G;
- out[2] = B;
-}
-
-
-/* ------------------------------------------------ */
/* Basic printf type error() and warning() routines */
void
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