simplified test prog

lib/t.c

@@ -35,20 +35,39 @@ return -1;
 
 int essai_2gray(FloatImg *picz, char *outname)
 {
+int		foo;
+FloatImg	gray;
 
+fprintf(stderr, ">>> %s ( %p '%s' )\n", __func__, picz, outname);
 
+foo = fimg_create(&gray, picz->width, picz->height, FIMG_TYPE_GRAY);
+if (foo) {
+	fprintf(stderr, "%s : err %d on fimg create\n", __func__, foo);
+	exit(1);
+	}
+foo = fimg_mk_gray_from(picz, &gray, 0);
+if (foo) {
+	fprintf(stderr, "%s : err %d on fimg mk_gray_from\n", __func__, foo);
+	exit(1);
+	}
 
-return -1;
+foo = fimg_save_as_pnm(&gray, outname, 0);
+if (foo) {
+	fprintf(stderr, "%s : err %d on save_as_pnm\n", __func__, foo);
+	exit(1);
+	}
+
+fimg_destroy(&gray);
 
+return 0;
 }
 /* ---------------------------------------------------------------- */
-#define W 4000
-#define H 3000
+#define W 2048
+#define H 2048
 int main(int argc, char *argv[])
 {
 int		foo;
 FloatImg 	dessin, noise, result;
-int		datas[3];
 
 verbosity = 1;
 
@@ -56,24 +75,14 @@ fimg_print_version(1);
 
 foo = fimg_create(&dessin, W, H, 3);
 petit_dessin(&dessin);
-fimg_save_as_pnm(&dessin, "dessin.pnm",  0);
-
 foo = fimg_create(&noise, W, H, 3);
-fimg_drand48(&noise, 1.0);
-fimg_save_as_pnm(&noise, "noise.pnm",  0);
+fimg_drand48(&noise, 0.1);
 
 foo = fimg_create(&result, W, H, 3);
-
-foo = fimg_add(&dessin, &noise, &result);
-fimg_save_as_pnm(&result, "r_add.pnm",  0);
-
+foo = fimg_mul(&dessin, &noise, &result);
 essai_2gray(&result, "gray.pnm");
 
-
-foo = fimg_sub(&dessin, &noise, &result);
-fimg_save_as_pnm(&result, "r_sub.pnm",  0);
-foo = fimg_mul(&dessin, &noise, &result);
-fimg_save_as_pnm(&result, "r_mul.pnm",  0);
+fimg_destroy(&dessin), fimg_destroy(&noise), fimg_destroy(&result);
 
 return 0;
 }