je crois que je suis en train de foutre la grouille...

Fonderie/crapulator.c

@@ -14,6 +14,8 @@
 #include  "glitches.h"
 #include  "sfx.h"
 
+extern int		verbosity;
+
 /* -------------------------------------------------------------- */
 static int trier_les_pixels(FloatImg *pimg)
 {
@@ -76,7 +78,7 @@ return 0;
 static int insitu_filtre3x3(FloatImg *pimg, int typef)
 {
 FloatImg		img;
-int 			retval;
+int 			foo, retval;
 FimgFilter3x3		*pfiltre;
 
 FimgFilter3x3	lowpass = {
@@ -97,9 +99,19 @@ FimgFilter3x3	hipass = {
 	1.0,	0.0
 	};
 
+FimgFilter3x3	diagonal = {
+		{
+		2.0,	1.0,	0.0,
+		1.0,	0.0,	-1.0,
+		0.0,	-1.0,	-2.0,
+		},
+	1.0,	4.0
+	};
+
 switch (typef) {
 	case 0:		pfiltre = &lowpass;		break;
 	case 1:		pfiltre = &hipass;		break;
+	case 2:		pfiltre = &diagonal;		break;
 	default:
 		fprintf(stderr, "%s: bad filter number %d\n",
 				__func__, typef);
@@ -114,7 +126,14 @@ if (retval) {
 	fprintf(stderr, "%s error %d on filter\n", __func__, retval);
 	exit(1);
 	}
-fimg_killborders(&img);		/* XXX WTF OMG */
+/**	may be, we can check for negative values ? */
+if (verbosity > 1) {
+	foo = fimg_count_negativ(&img);
+	fprintf(stderr, "%s -> %d / %d negative pixels\n", __func__,
+				foo, img.width*img.height);
+	}
+
+fimg_killborders(&img);
 fimg_copy_data(&img, pimg);
 fimg_destroy(&img);
 
@@ -194,7 +213,7 @@ switch (idFx) {
 		break;
 	case CR_liss2x2:
 		retval = fimg_lissage_2x2(image);
-		(void)fimg_killborders(image);
+		// (void)fimg_killborders(image);
 		break;
 	case CR_liss3x3:
 				/* smooth filter */
@@ -220,6 +239,9 @@ switch (idFx) {
 				/* hipass filter */
 		retval = insitu_filtre3x3(image, 1);
 		break;
+	case CR_diagonal:
+		retval = insitu_filtre3x3(image, 2);
+		break;
 	case CR_octotree:
 		retval = octotree_classif(image, 0.500, 0);
 		break;

Fonderie/crapulors.liste

@@ -26,6 +26,7 @@
 27	shiftln0	1	1.0
 28	qsortrgb	2	1.0
 30	multidots	100	1.333
+31	diagonal	1	1.0
 42	nothing		42	3.1415926
 99	message		1	1.0
 -1	end		1	1.0

Fonderie/essai.sh

@@ -9,7 +9,8 @@ FILTRES=$(./t -L | awk 'NR>1 { print $1 }' | sort)
 
 rm /tmp/fstack*.png
 
-SRC=$(ls -rt1 $HOME/Essais/FondageDePlomb/capture/* | tail -1)
+# SRC=$(ls -rt1 $HOME/Essais/FondageDePlomb/capture/* | tail -1)
+SRC=mire.fimg
 
 for F in $FILTRES
 do
@@ -53,6 +54,6 @@ ffmpeg	-nostdin				\
 # ------------------------------------------------------------
 #			MAIN
 
-essai_singlepass
+essai_filtres
 
 # ------------------------------------------------------------

Fonderie/fonctions.c

@@ -120,10 +120,6 @@ int insert_picture(FloatImg *src)
 FloatImg	*dst;
 int		nbre;
 
-/*
- * this is the where we can insert the 'input filter'
- */
-
 dst = &g_fifo.slots[g_fifo.next];
 
 nbre = dst->width * dst->height * sizeof(float);

Fonderie/fonderie.c

@@ -43,20 +43,49 @@ int insert_blank(FloatImg *image, int nbre, int pproc,
 						float fval, char *outd)
 {
 int		idx, foo;
+int		preloaded = 0;
+FloatImg	blank;
+char		*fname;
+
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %d %d %f '%s' )\n", __func__,
+			image, nbre, pproc, fval, outd);
+#endif
+
+if (NULL != (fname=getenv("BLANK_FIMG"))) {
+	fprintf(stderr,"%s: try to load %s\n", __func__, fname);
+	fimg_clone(image, &blank, 1);
+	foo = fimg_load_from_dump(fname, &blank);
+	if (foo) {
+		fprintf(stderr, "epic fail %d on %s\n", foo, fname);
+		exit(1);
+		}
+	if (verbosity)	fimg_describe(&blank, "Blank pic");
+	preloaded = 1;
+	}
 
 fimg_clear(image);
 for (idx=0; idx<nbre; idx++) {
-	fimg_vdeg_a(image, fval);
-	// brotche_rand48_b(image, drand48()*0.10, 1e5);
+	if (preloaded) {
+		fimg_copy_data(&blank, image);
+		}
+	else {
+		fimg_hdeg_a(image, fval);
+		}
+
 	if ((foo=traite_une_image(image, pproc, 1, outd))) {
 		fprintf(stderr, "%s : err %d from 'traite_une_image'\n",
 				__func__, foo);
 		break;
 		}
-	printf("\t%c\r", "ABCDEF"[idx%6]);  fflush(stdout);
+	printf("\t%c\r", "ABCDEFGH"[idx%8]);  fflush(stdout);
 	}
 puts("");
 
+if (preloaded) {
+	fimg_destroy(&blank);
+	}
+
 return 0;
 }
 /* -------------------------------------------------------------- */