From 11c457aa81eada1b45c52f9870b2cb02f0296e6c Mon Sep 17 00:00:00 2001
From: tonton th <sigfood@dinorama.fr>
Date: Tue, 1 Dec 2020 13:10:27 +0100
Subject: [PATCH] is trinarize ready ?

---
 Fonderie/Makefile |  4 ++--
 Fonderie/sfx.c    | 24 ++++++++++++++++++++----
 Fonderie/t.c      | 21 +++++++++++++++++----
 3 files changed, 39 insertions(+), 10 deletions(-)

diff --git a/Fonderie/Makefile b/Fonderie/Makefile
index a28bfb8..652da51 100644
--- a/Fonderie/Makefile
+++ b/Fonderie/Makefile
@@ -13,8 +13,8 @@ all:	fonderie interpolator t
 
 # ---------------------------------------------------------
 
-t:	t.c Makefile glitches.o
-	gcc ${COPT} $< glitches.o  ${LIBS} -lz -o $@
+t:	t.c Makefile glitches.o sfx.o
+	gcc ${COPT} $< glitches.o sfx.o ${LIBS} -lz -o $@
 
 # ---------------------------------------------------------
 
diff --git a/Fonderie/sfx.c b/Fonderie/sfx.c
index 90e8a7c..274fd98 100644
--- a/Fonderie/sfx.c
+++ b/Fonderie/sfx.c
@@ -55,6 +55,7 @@ return 0;
 int trinarize(FloatImg *pimg, int notused)
 {
 float		mm[6], mRa, mGa, mBa, mRb, mGb, mBb;
+float		val, *fptr;
 int		foo, size;
 
 #if DEBUG_LEVEL
@@ -71,15 +72,30 @@ mBb = (mm[5] - mm[4]) * 0.66666;
 
 size = pimg->width * pimg->height;
 
+#define VAL	(255.0)
+
 for (foo=0; foo<size; foo++) {
 
-	;	// XXX
+	fptr = pimg->R;
+	if (fptr[foo] < mRa || fptr[foo] > mRb)
+		fptr[foo] = 0.0;
+	else
+		fptr[foo] = VAL;
+
+	fptr = pimg->G;
+	if (fptr[foo] < mGa || fptr[foo] > mGb)
+		fptr[foo] = 0.0;
+	else
+		fptr[foo] = VAL;
+
+	fptr = pimg->B;
+	if (fptr[foo] < mBa || fptr[foo] > mBb)
+		fptr[foo] = 0.0;
+	else
+		fptr[foo] = VAL;
 
 	}
 
-fprintf(stderr, "the function '%s' is not implemented\n", __func__);
-exit(2);
-
 return -1;
 }
 /* -------------------------------------------------------------- */
diff --git a/Fonderie/t.c b/Fonderie/t.c
index 6f1f9e4..6305381 100644
--- a/Fonderie/t.c
+++ b/Fonderie/t.c
@@ -19,6 +19,9 @@ int		verbosity;
 #define		LMAX	233.333
 #define		TIMER	1
 
+
+int trinarize(FloatImg *pimg, int notused);	// in sfx.c
+
 int main(int argc, char *argv[])
 {
 int		foo, iter, xloc, bloub;
@@ -42,11 +45,11 @@ fimg_printhead(&image);
 srand(getpid());
 debut = fimg_timer_set(TIMER);
 
-for (iter=0; iter<127; iter++) {
+for (iter=0; iter<16; iter++) {
 
 	fimg_vdeg_a(&image, LMAX);
 
-	for (bloub=0; bloub<7; bloub++) {
+	for (bloub=0; bloub<16; bloub++) {
 		xloc = rand() % W;
 		omega = (float)(0.1 + drand48()*0.6) * 0.4;
 		foo = vertical_singlitch(&image, xloc, LMAX,
@@ -54,12 +57,22 @@ for (iter=0; iter<127; iter++) {
 		if (foo) abort();
 		}
 
-	sprintf(buff, "/tmp/out%03d.png", iter);
+	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, PNG);
+		fprintf(stderr, "err %d saving to '%s'\n", foo, buff);
 		exit(1);
 		}
+
+	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);
+		}
+
 	}
 
 fin = fimg_timer_set(TIMER);