is filterstack ok ?

Fonderie/filterstack.c

@@ -9,8 +9,8 @@
 #include  "crapulator.h"
 #include  "filterstack.h"
 
-#undef  DEBUG_LEVEL
-#define DEBUG_LEVEL 1
+// #undef  DEBUG_LEVEL
+// #define DEBUG_LEVEL 1
 
 /* -------------------------------------------------------------- */
 static	FilterSlot 	*stack_slots;
@@ -67,12 +67,14 @@ idx_slot++;
 return 0;
 }
 /* -------------------------------------------------------------- */
-int filterstack_list(void)
+int filterstack_list(char *txt)
 {
 int		idx;
 
+fprintf(stderr, "------- %-20s --------\n", txt);
 fprintf(stderr, "stack at %p, size %d, current %d\n",
 			stack_slots, nbre_filters, idx_slot); 
+fprintf(stderr, "idx     fx#   ival   fval\n");
 for (idx=0; idx<idx_slot; idx++) {
 
 	fprintf(stderr, "%3d    %3d    %3d    %f\n", idx,
@@ -98,7 +100,8 @@ for (idx=0; idx<idx_slot; idx++) {
 	fprintf(stderr, "%d : effect %2d on %p\n",
 			idx, stack_slots[idx].numero, target);
 
-	foo = crapulator(target, stack_slots[idx].numero, 0.0);
+	foo = crapulator(target, stack_slots[idx].numero,
+				 stack_slots[idx].fval);
 	if (foo) {
 		fprintf(stderr, "crapulator error %d\n", foo);
 		return foo;
@@ -108,3 +111,9 @@ for (idx=0; idx<idx_slot; idx++) {
 return 0;
 }
 /* -------------------------------------------------------------- */
+int load_stack_from_file(char *fname, int notused)
+{
+
+return -1;
+}
+/* -------------------------------------------------------------- */

Fonderie/filterstack.h

@@ -13,6 +13,9 @@ int filterstack_init(int nbre);
 
 int filterstack_add(int code, int ival, float fval);
 
-int filterstack_list(void);
+int filterstack_list(char *txt);	/* XXX */
 
 int filterstack_run(FloatImg *target, int notused);
+
+int load_stack_from_file(char *fname, int notused);
+

Fonderie/t.c

@@ -5,6 +5,7 @@
 #include  <stdio.h>
 #include  <stdlib.h>
 #include  <unistd.h>
+#include  <string.h>
 
 #include  "../floatimg.h"
 #include  "glitches.h"
@@ -17,9 +18,9 @@ int		verbosity;
 int		convert_to_gray;	/* WTF ? */
 
 #define		PNG	"out.png"
-#define		W	512
-#define		H	256
-#define		LMAX	249.9999
+#define		W	800
+#define		H	600
+#define		LMAX	255.0
 #define		TIMER	1
 
 /* ----------------------------------------------------------- */
@@ -28,24 +29,8 @@ int essai_filterstack(FloatImg *pimg)
 {
 int		foo;
 
-foo = filterstack_init(4);
-if (foo) {
-	fprintf(stderr, "filterstack init --> %d\n", foo);
-	return foo;
-	}
 
-foo = filterstack_add(5, 1, 1.0);
-if (foo) {
-	fprintf(stderr, "filterstack add 1 --> %d\n", foo);
-	return foo;
-	}
-foo = filterstack_add(13, 1, 1.0);
-if (foo) {
-	fprintf(stderr, "filterstack add 2 --> %d\n", foo);
-	return foo;
-	}
-
-filterstack_list();
+filterstack_list(__func__);
 
 foo = filterstack_run(pimg, 0);
 if (foo) {
@@ -56,15 +41,71 @@ if (foo) {
 return 0;
 }
 /* ----------------------------------------------------------- */
+int parse_filter_chain(char *argument)
+{
+char		*cptr;
+int		value, foo;
+
+fprintf(stderr, "\n%s: arg = '%s'\n", __func__, argument);
+
+foo = filterstack_init(4);
+if (foo) {
+	fprintf(stderr, "%s: filterstack init --> %d\n", __func__, foo);
+	return foo;
+	}
+
+for (;;) {
+	cptr = strtok(argument, ":");
+	fprintf(stderr, "cptr %p\n", cptr);
+	if (NULL==cptr)	break;
+	argument = NULL;
+	fprintf(stderr, "  parsing '%s'\n", cptr);
+	if (1 == sscanf(cptr, "%d", &value)) {
+		foo = filterstack_add(value, 1, 1.0);
+		if (foo) {
+			fprintf(stderr, "%s: err %d add\n",
+					__func__, foo);
+			}
+		}
+	}
+
+filterstack_list(__func__);
+return 0;
+}
+/* ----------------------------------------------------------- */
+int help(void)
+{
+puts("yolo!");
+exit(0);
+}
+/* ----------------------------------------------------------- */
 
 int main(int argc, char *argv[])
 {
 int		foo;
 FloatImg	image;
 double		debut, fin;
+int		opt;
+char		*filterchain = "0";
 
-verbosity = 2;
-fimg_print_version(1);
+fprintf(stderr, "*** %s : compiled by tTh, %s %s\n", __FILE__,
+			__DATE__, __TIME__);
+fimg_print_version(2);
+
+while ((opt = getopt(argc, argv, "hF:v")) != -1) {
+	switch(opt) {
+		case 'h':	help();			break;
+		case 'F':	filterchain = optarg;
+				break;
+		case 'v':	verbosity++;		break;
+		}
+	}
+
+#if DEBUG_LEVEL
+fprintf(stderr, "%s : argc = %d, optind = %d\n", argv[0], argc, optind);
+#endif
+
+parse_filter_chain(filterchain);
 
 foo = fimg_create(&image, W, H, FIMG_TYPE_RGB);
 if (foo) {