not ready for prime time

tools/fimgfx.c

@@ -22,7 +22,7 @@ typedef struct {
 
 enum fxid { Fx_cos01=5, Fx_cos010, Fx_pow2, Fx_sqrt, Fx_gray0, Fx_halfsz0,
 		Fx_rot90, Fx_cmixa, Fx_desat, Fx_ctr2x2, Fx_norm,
-		Fx_classtrial, Fx_mirror,
+		Fx_classtrial, Fx_mirror, Fx_shift0,
 		Fx_xper, Fx_binarize, Fx_trinarize,Fx_hilight_R };
 
 Fx fx_list[] = {
@@ -38,6 +38,7 @@ Fx fx_list[] = {
 	{ "desat",		Fx_desat,	0,	1 },
 	{ "ctr2x2",		Fx_ctr2x2,	0,	1 },
 	{ "mirror",		Fx_mirror,	0,	1 },
+	{ "shift0",		Fx_shift0,	0,	1 },
 //	{ "norm",		Fx_norm,	0,	1 },
 	{ "classtrial",		Fx_classtrial,	0,	1 },
 	{ "binarize",		Fx_binarize,	0,	1 },
@@ -208,6 +209,10 @@ switch (action) {
 	case Fx_mirror:
 		foo = fimg_mirror(&src, &dest, 0);
 		break;
+	case Fx_shift0:
+		fprintf(stderr, "Krkrk %d\n", action);
+		foo = fimg_auto_shift_to_zero(&src, &dest);
+		break;
 	case Fx_ctr2x2:
 		foo = fimg_contour_2x2(&src, &dest, 0);
 		break;

tools/fimghalfsize.c

@@ -84,7 +84,10 @@ if (verbosity) {
 	}
 
 foo = faire_un_halfsize(srcname, dstname, grayed);
-
+if (foo) {
+	fprintf(stderr, "in %s: make halfsize give a %d\n", argv[0], foo);
+	exit(1);
+	}
 
 return 0;
 }