first run of the filterstack

Fonderie/Makefile

@@ -6,15 +6,18 @@
 COPT = -g -fpic -no-pie -Wall -DDEBUG_LEVEL=0 -Werror=parentheses
 LIBS = ../libfloatimg.a -lpnglite -lm 
 
-OBJS = fonctions.o sfx.o crapulator.o glitches.o metriques.o
+OBJS = fonctions.o sfx.o crapulator.o glitches.o metriques.o	\
-DEPS = fonctions.h crapulator.h metriques.h glitches.h sfx.h
+	filterstack.o
+
+DEPS = fonctions.h crapulator.h metriques.h glitches.h sfx.h	\
+	filterstack.h
 
 all:	fonderie interpolator t
 
 # ---------------------------------------------------------
 
-t:	t.c Makefile glitches.o sfx.o
+t:	t.c Makefile ${OBJS}
-	gcc ${COPT} $< glitches.o sfx.o ${LIBS} -lz -o $@
+	gcc ${COPT} $< ${OBJS} ${LIBS} -lz -o $@
 
 # ---------------------------------------------------------
 
@@ -31,6 +34,9 @@ fonctions.o:	fonctions.c fonctions.h Makefile
 sfx.o:	sfx.c ${DEPS} Makefile
 	gcc ${COPT} -c $<
 
+filterstack.o:	filterstack.c ${DEPS} Makefile
+	gcc ${COPT} -c $<
+
 # ---------------------------------------------------------
 #
 #	another way to brotch some pics...

Fonderie/filterstack.c

@@ -0,0 +1,109 @@
+/*
+ *		filterstack.c
+ */
+
+#include  <stdio.h>
+#include  <stdlib.h>
+
+#include  "../floatimg.h"
+#include  "filterstack.h"
+
+#undef  DEBUG_LEVEL
+#define DEBUG_LEVEL 1
+
+/* -------------------------------------------------------------- */
+static	FilterSlot 	*stack_slots;
+static  int		nbre_filters, idx_slot;
+/* -------------------------------------------------------------- */
+int filterstack_init(int nbre)
+{
+FilterSlot	*fsptr;
+
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %d )\n", __func__, nbre);
+#endif
+
+if (NULL != stack_slots) {
+	fprintf(stderr, "ERR stack_slots = %p\n",stack_slots);
+	return -1;
+	} 
+fsptr = calloc(nbre, sizeof(FilterSlot));
+if (NULL == fsptr) {
+	fprintf(stderr, "%s : no memory\n", __func__);
+	exit(1);
+	}
+
+stack_slots = fsptr;
+nbre_filters = nbre;
+idx_slot = 0;
+
+fprintf(stderr, "%s: stack at %p\n", __func__, stack_slots); 
+
+return 0;
+}
+/* -------------------------------------------------------------- */
+int filterstack_add(int code, int ival, float fval)
+{
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %d %d %f )\n", __func__, code, ival, fval);
+#endif
+
+if (NULL==stack_slots) {
+	fprintf(stderr, "%s: NULL statck !\n", __func__);
+	exit(1);
+	}
+if (idx_slot == nbre_filters) {
+	fprintf(stderr, "%s: stack is full\n", __func__);
+	return -1;
+	}
+
+stack_slots[idx_slot].numero = code;
+stack_slots[idx_slot].ival   = ival;
+stack_slots[idx_slot].fval   = fval;
+
+idx_slot++;
+
+return 0;
+}
+/* -------------------------------------------------------------- */
+int filterstack_list(void)
+{
+int		idx;
+
+fprintf(stderr, "stack at %p, size %d, current %d\n",
+			stack_slots, nbre_filters, idx_slot); 
+for (idx=0; idx<idx_slot; idx++) {
+
+	fprintf(stderr, "%3d    %3d    %3d    %f\n", idx,
+			stack_slots[idx].numero,
+			stack_slots[idx].ival,
+			stack_slots[idx].fval);
+
+	}
+
+return 0;
+}
+/* -------------------------------------------------------------- */
+int filterstack_run(FloatImg *target, int notused)
+{
+int		idx, foo;
+
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %d)\n", __func__, target, notused);
+#endif
+
+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);
+	if (foo) {
+		fprintf(stderr, "crapulator error %d\n", foo);
+		return foo;
+		}
+	}
+
+return 0;
+}
+/* -------------------------------------------------------------- */

Fonderie/filterstack.h

@@ -0,0 +1,18 @@
+/*
+ *		filterstack.h
+ */
+
+typedef struct {
+	int	numero;
+	int	ival; 
+	float	fval;
+	} FilterSlot;
+
+
+int filterstack_init(int nbre);
+
+int filterstack_add(int code, int ival, float fval);
+
+int filterstack_list(void);
+
+int filterstack_run(FloatImg *target, int notused);

Fonderie/t.c

@@ -9,10 +9,12 @@
 #include  "../floatimg.h"
 #include  "glitches.h"
 #include  "sfx.h"
+#include  "filterstack.h"
 
 /* ----------------------------------------------------------- */
 
 int		verbosity;
+int		convert_to_gray;	/* WTF ? */
 
 #define		PNG	"out.png"
 #define		W	512
@@ -20,16 +22,48 @@ int		verbosity;
 #define		LMAX	249.9999
 #define		TIMER	1
 
+/* ----------------------------------------------------------- */
+
+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();
+
+foo = filterstack_run(pimg, 0);
+if (foo) {
+	fprintf(stderr, "filterstack run --> %d\n", foo);
+	return foo;
+	}
+
+return 0;
+}
+/* ----------------------------------------------------------- */
+
 int main(int argc, char *argv[])
 {
-int		foo, iter, xloc, bloub;
+int		foo;
 FloatImg	image;
-char		buff[1000];
 double		debut, fin;
-float		omega;
 
 verbosity = 2;
-
 fimg_print_version(1);
 
 foo = fimg_create(&image, W, H, FIMG_TYPE_RGB);
@@ -38,43 +72,21 @@ if (foo) {
 	exit(1);
 	}
 
-// fimg_printhead(&image);
+fimg_vdeg_a(&image, 255);
 
 srand(getpid());
 debut = fimg_timer_set(TIMER);
-
+foo = essai_filterstack(&image);
-fimg_hdeg_a(&image, LMAX);
-
-for (iter=0; iter<32; iter++) {
-
-	for (bloub=0; bloub<6; bloub++) {
-		xloc = rand() % W;
-		omega = (float)(0.1 + drand48()*0.6) * 0.4;
-		foo = vertical_singlitch(&image, xloc, LMAX,
-						omega, (float)iter);
-		if (foo) abort();
-		}
-
-	sprintf(buff, "/tmp/out_a%03d.png", iter);
-	foo = fimg_save_as_png(&image, buff, 0);
 if (foo) {
-		fprintf(stderr, "err %d saving to '%s'\n", foo, buff);
+	fprintf(stderr, "essai filterstack --> %d\n", foo);
-		exit(1);
 	}
-
-#if 0
-	foo = trinarize(&image, 0);		/*   XXX   */
-
-	sprintf(buff, "/tmp/out_b%03d.png", iter);
-	foo = fimg_save_as_png(&image, buff, 0);
-	if (foo) {
-		fprintf(stderr, "err %d saving to '%s'\n", foo, buff);
-		exit(1);
-		}
-#endif
-	}
-
 fin = fimg_timer_set(TIMER);
+
+foo = fimg_save_as_png(&image, "foo.png", 0);
+if (foo) {
+	fprintf(stderr, "erreur export %d\n", foo);
+	}
+
 fprintf(stderr, "elapsed %f\n", fin-debut);
 
 fimg_destroy(&image);