added a new tool : fimgfx

tools/Makefile

@@ -9,7 +9,7 @@ DEPS = ../floatimg.h  ../libfloatimg.a Makefile
 # 			----------
 
 all:	fimg2pnm mkfimg png2fimg fimgstats fimg2png	\
-	addpnm2fimg cumulfimgs fimgops
+	addpnm2fimg cumulfimgs fimgops fimgfx
 
 fimgstats:	fimgstats.c $(DEPS)
 	gcc $(COPT) $< ../libfloatimg.a -o $@ 
@@ -23,6 +23,9 @@ mkfimg:		mkfimg.c  $(DEPS)
 fimgops:		fimgops.c  $(DEPS)
 	gcc $(COPT) $< ../libfloatimg.a -o $@ 
 
+fimgfx:		fimgfx.c  $(DEPS)
+	gcc $(COPT) $< ../libfloatimg.a -o $@ 
+
 fimg2pnm:	fimg2pnm.c  $(DEPS)
 	gcc $(COPT) $< ../libfloatimg.a -o $@ 
 

tools/fimgfx.c

@@ -0,0 +1,168 @@
+/*
+		FIMGFX
+*/
+#include  <stdio.h>
+#include  <string.h>
+#include  <stdlib.h>
+#include  <unistd.h>
+
+#include  "../floatimg.h"
+
+/* --------------------------------------------------------------------- */
+
+int			verbosity;
+float			global_fvalue;
+
+typedef struct {
+	char		*name;
+	int		id;
+	int		nbarg;
+	} Fx;
+
+enum fxid { Fx_cos01, Fx_pow2, Fx_sqrt };
+
+Fx fx_list[] = {
+	{ "cos01",		Fx_cos01,	0 },
+	{ "pow2",		Fx_pow2,	0 },
+	{ "sqrt",		Fx_sqrt,	0 },
+	{ NULL,			0,	0 }
+	};
+
+/* --------------------------------------------------------------------- */
+int lookup_fx(char *txt)
+{
+Fx		*fx;
+int		n;
+
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( '%s' )\n", __func__, txt);
+#endif
+
+for (n=0, fx=fx_list; fx->name; fx++, n++) {
+#if DEBUG_LEVEL
+	fprintf(stderr, "-> %3d %s\n", n, fx->name);
+#endif
+	if (!strcmp(fx->name, txt)) {
+		return n;
+		}
+	}
+
+return -1;
+}
+/* --------------------------------------------------------------------- */
+static void help(int lvl)
+{
+
+printf("fimg special effects (%d)\n", lvl);
+
+
+
+exit(0);
+}
+/* --------------------------------------------------------------------- */
+int do_an_effect(char *sf, int act, char *df)
+{
+FloatImg	src, dest;
+int		foo;
+double		maxval;
+
+#if 1
+fprintf(stderr, ">>> %s ( '%s' %d '%s' )\n", __func__,
+			   sf, act, df);
+#endif
+
+foo = fimg_create_from_dump(sf, &src);
+if (foo) {
+	fprintf(stderr, "err load '%s' : %d\n", sf, foo);
+	return foo;
+	}
+
+maxval = (double)fimg_get_maxvalue(&src);
+
+foo = fimg_clone(&src, &dest, 0);
+if (foo) {
+	fprintf(stderr, "err clone %p : %d\n", &src, foo);
+	return foo;
+	}
+
+switch (act) {
+	case Fx_cos01:
+		fimg_cos_01(&src, &dest, maxval);		break;
+	case Fx_pow2:
+		fimg_power_2(&src, &dest, maxval);		break;
+	case Fx_sqrt:
+		fimg_square_root(&src, &dest, maxval);		break;
+
+	default:
+		fprintf(stderr, "*** %s : %d is bad action\n", __func__, act);
+		break;
+
+	}
+
+foo = fimg_dump_to_file(&dest, df, 0);
+if (foo) {
+	fprintf(stderr, "dumping datas to file give us a %d\n", foo);
+	return foo;
+	}
+
+return 0;
+}
+/* --------------------------------------------------------------------- */
+int main(int argc, char *argv[])
+{
+int		foo, opt, action;
+int		nba;
+char		*operator;
+
+char		*srcname = "";
+char		*dstname = "out.fimg";
+
+while ((opt = getopt(argc, argv, "hk:v")) != -1) {
+	switch(opt) {
+		case 'h':	help(0);			break;
+		case 'k':	global_fvalue = atof(optarg);	break;
+		case 'v':	verbosity++;			break;
+		}
+	}
+
+#if 1
+fprintf(stderr, "argc %d optind %d\n", argc, optind);
+for (foo=0; foo<argc; foo++)
+	fprintf(stderr, "%3d  %c  %s\n", foo, foo==optind?'*':' ', argv[foo]);
+#endif
+
+if (3 > argc-optind) {
+	fprintf(stderr, "%s need some arguments...\n", argv[0]);
+	exit(1);
+	}
+
+operator = argv[optind];
+action = lookup_fx(operator);
+if (action < 0) {
+	fprintf(stderr, "garbage found in opcode field : %s\n", operator);
+	exit(1);
+	}
+
+if (verbosity) {
+	fprintf(stderr, "global fvalue  %f\n", global_fvalue);
+	fprintf(stderr, "action         %d\n", action);
+	fprintf(stderr, "verbosity      %d\n", verbosity);
+	}
+
+if ((nba=fx_list[action].nbarg)) {
+	fprintf(stderr, "action '%s' need %d arg\n", operator, nba);
+	}
+
+srcname = argv[optind+1];
+dstname = argv[optind+2];
+fprintf(stderr, "%s  ==>  %s\n", srcname, dstname);
+
+foo = do_an_effect(srcname, action, dstname);
+fprintf(stderr, "do an effect -> %d\n", foo);
+
+
+fprintf(stderr, "\n%s    [done]\n", argv[0]);
+
+return 0;
+}
+/* --------------------------------------------------------------------- */