add new ugly tools

add 2 missing tools
add missing binaries
2024-11-17 10:44:07 +01:00 · 2024-11-15 17:47:09 +01:00 · 2024-11-15 16:45:52 +01:00 · 2024-11-15 11:35:39 +01:00 · 2024-11-14 10:11:11 +01:00 · 2024-08-16 18:13:36 +02:00
163 changed files with 5163 additions and 2243 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@

 libtthimage.a
 cscope.out
+gmon.out

 Lib/foo
 Lib/testtga
--- a/Contribs/ExplodeVidz.md
+++ b/Contribs/ExplodeVidz.md
@@ -0,0 +1,16 @@
+
+# Exploding Vidz for fun and profit.
+
+But du jeu : traiter la séquence d'image complète d'une vidéo live,
+sans devoir attendre 107 ans que le job soit fait.
+
+## Current status
+
+- [rgb_decomp.c](rgb_decomp.c) 
+
+## Film at 11.
+
+See you soon.
+
+
+
--- a/Contribs/README.md
+++ b/Contribs/README.md
@@ -0,0 +1,9 @@
+
+# Contributions
+
+Voici une collection informelle de fonctions diverses et variées contribuées
+par moi-même (et peut-être, un jour, d'autres gens...) et qui risquent
+bien de n'être **pas très maintenues**, contrairement au reste du *kluge*.
+
+Nous allons commencer par des fonctions inventées lors d'une *n*-ième session
+du projet [ExplodeVidz](ExplodeVidz.md).
--- a/Contribs/rgb_decomp.c
+++ b/Contribs/rgb_decomp.c
@@ -0,0 +1,87 @@
+
+
+#include  <stdio.h>
+#include  <stdlib.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+
+#include  <tthimage.h>
+
+/* -------------------------------------------------------- */
+
+
+/* -------------------------------------------------------- */
+
+int rgb_process_by_filename(char *inf, char *outf)
+{
+Image_Desc	*src, *dst;
+int		foo;
+int		x, y, larg, offs;
+int		r, g, b;
+
+if ( (src=Image_TGA_alloc_load(inf)) == NULL )
+	{
+	fprintf(stderr, "%s: err load %s\n", __func__, inf);
+	exit(5);
+	}
+
+printf("source '%s'   %dx%d\n", inf, src->width, src->height);
+
+if ( (dst=Image_clone(src, 0)) == NULL )
+	{
+	fprintf(stderr, "%s: no mem for image cloning\n", __func__);
+	exit(5);
+	}
+
+Image_clear(dst, 160, 60, 60);
+
+/*
+ *	calcul de la zone à traiter
+ */
+larg = src->width / 3;
+offs = (src->width - larg) / 2;
+printf("largeur  %d   offset   %d\n", larg, offs);
+
+
+for (y=0; y<src->height; y++) {
+	for (x=0; x<larg; x++) {
+
+		Image_getRGB(src, x+offs, y, &r, &g, &b);
+
+		Image_plotRGB(dst, x,          y, r, r, r);
+		Image_plotRGB(dst, x+offs,     y, g, g, g);
+		Image_plotRGB(dst, x+(2*offs), y, b, b, b);
+
+		}
+	}
+
+Image_egalise_cos010(dst, dst, 0);
+
+foo = Image_TGA_save(outf, dst, 0);
+if (foo) {
+	fprintf(stderr, "%s: error %d saving %s\n", __func__, foo, outf);
+	exit(5);
+	}
+
+return 0;
+}
+
+/* -------------------------------------------------------- */
+int main(int argc, char *argv[])
+{
+int	foo;
+
+if (3 != argc)
+	{
+	exit(1);
+	}
+
+foo = rgb_process_by_filename(argv[1], argv[2]);
+if (foo) {
+	fprintf(stderr, "process by filename -> %d\n", foo);
+	}
+
+return 0;
+}
+
+/* -------------------------------------------------------- */
--- a/Datas/16x24gruik
+++ b/Datas/16x24gruik
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--- a/Datas/8x8std
+++ b/Datas/8x8std
--- a/Datas/8x8thin
+++ b/Datas/8x8thin
--- a/Datas/neon.map
+++ b/Datas/neon.map
@@ -0,0 +1,256 @@
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+32 32 0
+48 48 0
+64 64 0
+80 80 0
+96 96 0
+112 112 0
+128 128 0
+144 144 0
+160 160 0
+176 176 0
+192 192 0
+208 208 0
+224 224 0
+240 240 0
+255 255 0
--- a/Datas/volcano.map
+++ b/Datas/volcano.map
@@ -0,0 +1,256 @@
+  0   0   0 An explosion of lava ... by D. Egnor
+ 60  60  60
+ 64  60  60
+ 72  60  60
+ 76  56  56
+ 84  56  56
+ 88  52  52
+ 96  52  52
+100  48  48
+108  48  48
+112  44  44
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+128  40  40
+132  40  40
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+144  36  36
+152  32  32
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+176  24  24
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+140  12  12
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+136  16  16
+132  16  16
+128  20  20
+124  20  20
+120  24  24
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+116  28  28
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+108  32  32
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+100  36  36
+100  36  36
+ 96  40  40
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+ 88  44  44
+ 84  44  44
+ 80  48  48
+ 80  48  48
+ 76  52  52
+ 72  52  52
+ 68  56  56
+ 64  56  56
+ 60  60  60
+ 60  60  60
--- a/Docs/README.md
+++ b/Docs/README.md
@@ -1,9 +1,31 @@
-# libtthimage
+# libtthimage, la doc

-Les fichiers HTML que vous avez ici sont des versions historiques,
+Les fichiers [HTML](html/) que vous avez ici sont des versions historiques,
 qui seront peut-être mise à jour au prochain grand refactoring.
 Leur contenu est donc à prendre avec des pincettes, ymmv.

-Ceci dit, les principes généraux sont encore bons...
+Ceci dit, les principes généraux sont encore bons. Mais il y a quelques
+points à préciser.

+## Compilation

+Certaines options de compilation sont dans le fichier de
+[paramètres](../Paramakes.mk) pour les différents fichiers make.
+Je vous conseille de vérifier leurs pertinences, et en particulier
+les options `-p` et `-pg` que j'oublie parfois d'enlever avant
+le _push_.
+
+Le script [build.sh](../build.sh)  tente d'automatiser les
+compilations de la bibilothèque, des tests et des outils
+en ligne de commande. Il est encore loin d'être parfait.
+
+## Installation
+
+Le script [install.sh](../install.sh) va installer divers fichiers
+aux bonnes places là où on lui dit avec la variable `DESTDIR`.
+Attention, celle-ci doit être cohérente avec les valeurs déclarée
+dans le fichier Paramakes.mk !
+
+## Utilisation
+
+??? *Insérez ici quelques exemples d'utilisation des tools.*
--- a/Docs/html/README.md
+++ b/Docs/html/README.md
--- a/Docs/html/image77.html
+++ b/Docs/html/image77.html
--- a/Docs/html/img-alpha.html
+++ b/Docs/html/img-alpha.html
--- a/Docs/html/img-asciiart.html
+++ b/Docs/html/img-asciiart.html
--- a/Docs/html/img-bitplane.html
+++ b/Docs/html/img-bitplane.html
--- a/Docs/html/img-cadres.html
+++ b/Docs/html/img-cadres.html
--- a/Docs/html/img-calculs.html
+++ b/Docs/html/img-calculs.html
--- a/Docs/html/img-combine.html
+++ b/Docs/html/img-combine.html
--- a/Docs/html/img-couleurs.html
+++ b/Docs/html/img-couleurs.html
--- a/Docs/html/img-dessin.html
+++ b/Docs/html/img-dessin.html
--- a/Docs/html/img-detect.html
+++ b/Docs/html/img-detect.html
--- a/Docs/html/img-devel.html
+++ b/Docs/html/img-devel.html
--- a/Docs/html/img-df3.html
+++ b/Docs/html/img-df3.html
--- a/Docs/html/img-dither.html
+++ b/Docs/html/img-dither.html
--- a/Docs/html/img-effets.html
+++ b/Docs/html/img-effets.html
--- a/Docs/html/img-essais.html
+++ b/Docs/html/img-essais.html
--- a/Docs/html/img-fichiers.html
+++ b/Docs/html/img-fichiers.html
--- a/Docs/html/img-filtres.html
+++ b/Docs/html/img-filtres.html
--- a/Docs/html/img-marquage.html
+++ b/Docs/html/img-marquage.html
--- a/Docs/html/img-mires.html
+++ b/Docs/html/img-mires.html
--- a/Docs/html/img-op2x2.html
+++ b/Docs/html/img-op2x2.html
--- a/Docs/html/img-operat.html
+++ b/Docs/html/img-operat.html
--- a/Docs/html/img-patterns.html
+++ b/Docs/html/img-patterns.html
--- a/Docs/html/img-plotters.html
+++ b/Docs/html/img-plotters.html
--- a/Docs/html/img-povhf15.html
+++ b/Docs/html/img-povhf15.html
--- a/Docs/html/img-ptlist.html
+++ b/Docs/html/img-ptlist.html
--- a/Docs/html/img-showdiff.html
+++ b/Docs/html/img-showdiff.html
--- a/Docs/html/img-stereo.html
+++ b/Docs/html/img-stereo.html
--- a/Docs/html/img-television.html
+++ b/Docs/html/img-television.html
--- a/Docs/html/img-texte.html
+++ b/Docs/html/img-texte.html
--- a/Docs/html/img-warp.html
+++ b/Docs/html/img-warp.html
--- a/Docs/html/libimage.css
+++ b/Docs/html/libimage.css
--- a/Docs/html/libimage.html
+++ b/Docs/html/libimage.html
--- a/Lib/.gitignore
+++ b/Lib/.gitignore
@@ -1,3 +1,6 @@

 *.png
+*.gif

+cflow.txt
+reduce.map
--- a/Lib/7seg.c
+++ b/Lib/7seg.c
@@ -17,7 +17,7 @@ int		foo, numbit, mask;
 int		failed;

 #if DEBUG_LEVEL 
-fprintf(stderr, "%s ( %p, <%d,%d>, 0x%x, %d )\n", __func__,
+fprintf(stderr, ">>> %s ( %p, <%d,%d>, 0x%x, %d )\n", __func__,
 				img, xpos, ypos, bits, k);
 #endif

@@ -123,8 +123,8 @@ static	int patterns[] =
 	/*   0     1     2     3     4     5     6     7     8     9 */
 int	foo, idx, bits;

-#if DEBEUG_LEVEL > 1
-fprintf(stderr, "%s digit 0x%2x  sizeof(patterns) -> %d\n", __func__,
+#if DEBUG_LEVEL > 1
+fprintf(stderr, "%s: digit 0x%2x  sizeof(patterns) -> %d\n", __func__,
 			chiffre,	sizeof(patterns));
 #endif

@@ -159,7 +159,7 @@ int		foo;
 char		digit;

 #if DEBUG_LEVEL > 1
-fprintf(stderr, "%s ( %p, '%s', %d )\n", __func__, img, numstr, k);
+fprintf(stderr, ">>> %s ( %p, '%s', %d )\n", __func__, img, numstr, k);
 #endif

 len = strlen(numstr);
@@ -189,7 +189,7 @@ int	foo, bar;
 int	iter;

 #if DEBUG_LEVEL 
-fprintf(stderr, ">> %s ( %p, %d, 0x%x )\n", __func__, img, nbre, k);
+fprintf(stderr, ">>> %s ( %p, %d, 0x%x )\n", __func__, img, nbre, k);
 #endif

 iter = 0;		/* safe value */
--- a/Lib/Makefile
+++ b/Lib/Makefile
@@ -8,7 +8,7 @@ include ../Paramakes.mk

 DEPS = ../tthimage.h ../Paramakes.mk Makefile

-all:	foo testtga
+all:	foo testtga t_png testbmp

 #-----------------------------------------------------------------

@@ -51,7 +51,6 @@ distances.o:	distances.c	$(DEPS)
 dither.o:	dither.c	$(DEPS)
 dither2.o:	dither2.c	$(DEPS)
 dither3.o:	dither3.c	$(DEPS)
-dither4.o:	dither4.c	$(DEPS)
 doublesz.o:	doublesz.c	$(DEPS)
 drawalpha.o:	drawalpha.c	$(DEPS)
 drawing.o:	drawing.c	$(DEPS)
@@ -64,9 +63,12 @@ extractbits.o:	extractbits.c	$(DEPS)

 filtadapt.o:	filtadapt.c	$(DEPS)
 filtres.o:	filtres.c	$(DEPS)
+falsecolors.o:	falsecolors.c	$(DEPS)
+functions.o:	functions.c	$(DEPS)		# new Aug 15, 2024

 gadgrect.o:	gadgrect.c	$(DEPS)
 glitch.o:	glitch.c	$(DEPS)
+gradient.o:	gradient.c	$(DEPS)

 halfsize.o:	halfsize.c	$(DEPS)

@@ -109,6 +111,7 @@ ptlist.o:	ptlist.c	$(DEPS)

 quadpics.o:	quadpics.c	$(DEPS)

+readjpeg.o:	readjpeg.c	$(DEPS)
 recurse.o:	recurse.c	$(DEPS)
 rgbmask.o:	rgbmask.c	$(DEPS)

@@ -131,7 +134,6 @@ vignetize.o:	vignetize.c	$(DEPS)
 warp0.o:	warp0.c		$(DEPS)
 warp1.o:	warp1.c		$(DEPS)
 warp2.o:	warp2.c		$(DEPS)
-warp3.o:	warp3.c		$(DEPS)

 zoom.o:		zoom.c		$(DEPS)

@@ -148,11 +150,12 @@ OBJECTS =	7seg.o							\
 		combine6.o combine_rnd.o				\
 		contrast.o						\
 		detect.o distances.o					\
-		dither.o dither2.o dither3.o dither4.o			\
+		dither.o dither2.o dither3.o				\
 		doublesz.o drawalpha.o drawing.o drawpatt.o		\
 		effects.o effects2.o effects3.o extractbits.o		\
-		filtadapt.o filtres.o					\
-		gadgrect.o glitch.o					\
+		filtadapt.o filtres.o falsecolors.o			\
+		functions.o						\
+		gadgrect.o glitch.o gradient.o				\
 		halfsize.o						\
 		image.o	imprime.o					\
 		luts15bits.o						\
@@ -168,15 +171,16 @@ OBJECTS =	7seg.o							\
 		pov_hf15e.o pov_hf15e.o pov_hf15f.o pov_synth.o		\
 		ptlist.o						\
 		quadpics.o						\
-		recurse.o rgbmask.o					\
+		readjpeg.o recurse.o rgbmask.o				\
 		scale.o	sobel4.o stereo.o				\
 		tamppool.o tele_2.o television.o			\
 		text0.o text1.o text16x24.o				\
 		tga.o tools.o turtle.o					\
 		vignetize.o						\
-		warp0.o warp1.o warp2.o warp3.o				\
+		warp0.o warp1.o warp2.o					\
 		zoom.o

+# build the static library
 ../libtthimage.a: 	$(OBJECTS)
 	$(AR) 	rs $@ $?
 	$(RANLIB)   $@
@@ -184,7 +188,7 @@ OBJECTS =	7seg.o							\
 #-----------------------------------------------------------------

 foo:		foo.c $(DEPS) ../libtthimage.a
-	gcc $(CFLAGS) $< ../libtthimage.a -o $@
+	gcc $(CFLAGS) $< ../libtthimage.a -lm -o $@

 t_png:	t_png.c $(DEPS)  ../libtthimage.a
 	gcc $(CFLAGS) $< ../libtthimage.a -lpng -lz -o $@
@@ -197,7 +201,10 @@ testbmp:	testbmp.c $(DEPS)  ../libtthimage.a
 essais.o:	essais.c	$(DEPS) essais.h
 	gcc $(CFLAGS) $< -c

-testtga:	testtga.c $(DEPS) ../libtthimage.a essais.o
+testtga.o:	testtga.c testtga.c $(DEPS) 
+	gcc $(CFLAGS) $< -c
+
+testtga:	testtga.o ../libtthimage.a essais.o
 	gcc $(CFLAGS) $< essais.o ../libtthimage.a -lm -o $@

 #-----------------------------------------------------------------
--- a/Lib/README.md
+++ b/Lib/README.md
@@ -1,5 +1,12 @@
-# The tTh image processind library
+# The tTh image processing library

 Ugly software born around 1995 on a MS-Dos 286 computer.
+Look at the [`Makefile`](Makefile) for no more explanations.
+More pertinent informations can be found in
+[`tthimage.h`](../tthimage.h).
+
+
+## Text primitives
+
+Big rewrite in progress, the actual version is a mess.

-Look at the `Makefile` for no more explanations.
--- a/Lib/alpha.c
+++ b/Lib/alpha.c
@@ -7,8 +7,9 @@
 			Et c,a va me forcer a installer libpng
 			--------------------------------------
 			    15May01: on attend toujours libPNG
-			    07Dec01: pfeue, libPNG toujours pas là...
+			    07Dec01: pfeue, libPNG toujours pas la...
 			    03Fev14: ... please wait more ...
+			    04Oct22: on the way, stay tuned.
 */

 #include  <stdio.h>
--- a/Lib/alpha2.c
+++ b/Lib/alpha2.c
@@ -8,7 +8,7 @@
 #include  <stdio.h>
 #include  <stdlib.h>
 #include  <string.h>
-#include  "tthimage.h"
+#include  "../tthimage.h"

 /*::------------------------------------------------------------------::*/
 int	Image_alpha_setvalue(Image_Desc *dst, int v_alpha)
--- a/Lib/anamorphose.c
+++ b/Lib/anamorphose.c
@@ -40,7 +40,6 @@ return FUNC_NOT_FINISH;
 int
 Image_anmo_grille(Image_Desc *dst)
 {
-int	x, y;

 if (dst->magic != MAGIC_OF_IMAGE)
 	{
--- a/Lib/basic_io.c
+++ b/Lib/basic_io.c
@@ -2,17 +2,17 @@
 		BASIC_IO		Sept 2001
 		--------		---------

-		Ce module a été écrit pour tenter de régler les 
-		problèmes de "boutisme" pour que ça puisse aussi
+		Ce module a ete ecrit pour tenter de regler les 
+		problemes de "boutisme" pour que c,a puisse aussi
 		tourner sur les vrais processeurs, parce que, bon,
-		les 386, ça suffit, hein...
+		les 386, parfois, on s'en gave, hein...

 		Ceci dit, je ne sais pas vraiment comment traiter
-		le problème. Pour le moment (Septembre 2001) c'est
+		le probleme. Pour le moment (Septembre 2001) c'est
 		un peu beaucoup du "try and test".

-		D'autre part, comment ça va se passer sur des CPUs
-		à 64 (ou 128) bits ?
+		D'autre part, comment les choses vont se passer sur
+		des CPUs a 64 (ou 128) bits ?
 		-------------------------------------------------

 	9 oct 2001: pourquoi pas de fonction pour ecrire des BYTEs ?
@@ -136,7 +136,7 @@ for (foo=0; foo<4; foo++)

 *pvalue = value;

-return FUNC_IS_BETA;
+return FUNC_IS_BETA;		/* XXX ? */
 }
 /*::------------------------------------------------------------------::*/
 int	Image_basicIO_write_I_long(FILE *fp, long value)
--- a/Lib/bitblt.c
+++ b/Lib/bitblt.c
@@ -20,30 +20,34 @@
 *	et les parametres x et y disent ou recopier les pixels dans l'image
 *	de destination.
 */
-int
-Image_get_rect(Image_Desc *s, Image_Rect *z, Image_Desc *d, int x, int y)
+int Image_get_rect(Image_Desc *s, Image_Rect *z, Image_Desc *d, int x, int y)
 {
 int	xfoo, yfoo;				/* oh! des 'foo' 2D :-) */
 int	xs, ys;

+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %p %p  %d %d )\n", __func__, s, z, d, x, y);
+#endif
+
+/*
+ *			NEED MORE EXPLANATION XXX !
+ */
 #if DEBUG_LEVEL > 1
 fprintf(stderr, "GET RECT src  %p   %4d, %4d, %4d, %4d\n",
 				s, z->x, z->y, z->w, z->h);
 fprintf(stderr, "         dst  %p   %4d, %4d\n", d, x, y);
 #endif

-if ( (z->w > d->width) || (z->h > d->height) )
-	{
+if ( (z->w > d->width) || (z->h > d->height) ) {
+	fprintf(stderr, "%s: oups, bad rect\n", __func__);
 	return 666;
 	}

-for (yfoo=0; yfoo<z->h; yfoo++)
-	{
+for (yfoo=0; yfoo<z->h; yfoo++)	{
 	ys = yfoo + z->y;
 	if (ys<0 || ys>s->height-1)
 		continue;
-	for (xfoo=0; xfoo<z->w; xfoo++)
-		{
+	for (xfoo=0; xfoo<z->w; xfoo++)	{
 		xs = xfoo + z->x;
 		if (xs<0 || xs>s->width-1)
 			continue;
@@ -55,23 +59,27 @@ return 0;
 }
 /*::------------------------------------------------------------------::*/
 /*
+ *	2023-09-30: je comprend rien a ce truc !
+ *
 *	recopie d'un rectangle d'une image source par dessus
 *	une image destination.
 */
-int
-Image_put_rect(Image_Desc *s, Image_Rect *z, Image_Desc *d, int x, int y)
+int Image_put_rect(Image_Desc *s, Image_Rect *z, Image_Desc *d, int x, int y)
 {
 int	xfoo, yfoo;		
 int	xs, ys, xd, yd;

+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %p %p  %d %d )\n", __func__, s, z, d, x, y);
+#endif
+
 #if DEBUG_LEVEL > 1
 fprintf(stderr, "PUT RECT src  %p   %4d, %4d, %4d, %4d\n",
 			s, z->x, z->y, z->w, z->h);
 fprintf(stderr, "         dst  %p   %4d, %4d\n", d, x, y);
 #endif

-for (yfoo=0; yfoo<z->h; yfoo++)
-	{
+for (yfoo=0; yfoo<z->h; yfoo++)	{
 	ys = yfoo + z->y;
 	if (ys<0 || ys>s->height-1)
 		continue;
@@ -80,8 +88,7 @@ for (yfoo=0; yfoo<z->h; yfoo++)
 	if (yd<0 || yd>d->height-1)
 		continue;

-	for (xfoo=0; xfoo<z->w; xfoo++)
-		{
+	for (xfoo=0; xfoo<z->w; xfoo++)	{
 		xs = xfoo + z->x;
 		if (xs<0 || xs>s->width-1)
 			continue;
@@ -94,33 +101,27 @@ for (yfoo=0; yfoo<z->h; yfoo++)
 		}
 	}

-return FUNC_IS_ALPHA;
+return FUNC_IS_ALPHA;		/* AH BRAVO */
 }

 /*::------------------------------------------------------------------::*/
 /*
 *  coredumper dlmkt !
 */
-int
-Image_copy_rect(Image_Desc *s, Image_Rect *z, Image_Desc *d, int x, int y)
+int Image_copy_rect(Image_Desc *s, Image_Rect *z, Image_Desc *d, int x, int y)
 {
 int	xs, ys, xd, yd, xx, yy;
 int	foo;

-#if DEBUG_LEVEL > 1
-fprintf(stderr, "%s s=%p z=%p d=%p x,y=%d,%d\n", __func__,
-			s, z, d, x, y);
-#endif
+fprintf(stderr, ">>> %s ( %p %p %p  %d %d )\n", __func__, s, z, d, x, y );

-if (d->magic != MAGIC_OF_IMAGE)
-	{
+if (d->magic != MAGIC_OF_IMAGE)	{
 	fprintf(stderr, "%s: need Dead Beef\n", __func__);
 	return  NOT_AN_IMAGE_DESC;
 	}

 foo = 0;
-for (yy=0; yy<z->h; yy++)
-	{
+for (yy=0; yy<z->h; yy++) {
 	ys = yy + z->y;
 	if (ys<0 || ys>=s->height)
 		continue;
@@ -129,8 +130,7 @@ for (yy=0; yy<z->h; yy++)
 	if (yd<0 || yd>=d->height)
 		continue;

-	for (xx=0; xx<z->w; xx++)
-		{
+	for (xx=0; xx<z->w; xx++) {
 		xs = xx + z->x;
 		if (xs<0 || xs>=s->width)
 			continue;
@@ -154,22 +154,21 @@ return FUNC_IS_BETA;
 *		23 dec 01	found a coredump if src image is too small
 *
 */
-Image_Desc *
-Image_create_subimg(Image_Desc *src, Image_Rect *r, int gray)
+Image_Desc *Image_create_subimg(Image_Desc *src, Image_Rect *r, int gray)
 {
 Image_Desc *clone;
 int x,y,xs, ys;

+fprintf(stderr, ">>> %s ( %p %p %d )\n", __func__, src, r, gray);
+
 /*
 *	sanities controls...
 */
-if (src->type != IMAGE_RGB)
-	{
+if (src->type != IMAGE_RGB) {
 	fprintf(stderr, "'%s' work only on RGB images\n", __func__);
 	exit(5);
 	}
-if ( (r->x<0) || (r->y<0) )
-	{
+if ( (r->x<0) || (r->y<0) ) {
 	fprintf(stderr, "create_subimg, rect(%d,%d,%d,%d) iznotgoud\n",
 					r->x, r->y, r->w, r->h);
 	exit(5);
@@ -180,34 +179,28 @@ if ( (r->x<0) || (r->y<0) )
 *	now, we allocate the new image...
 */
 clone = Image_alloc(r->w, r->h, src->type);
-if (clone == NULL)
-	{
+if (clone == NULL) {
 	fprintf(stderr, "CreateSubImage: can't alloc memory...\n");
 	exit(5);
 	}

-for (x=0; x<r->w; x++)
-	{
+for (x=0; x<r->w; x++) {
 	xs = x + r->x;
-	for (y=0; y<r->h; y++)
-		{
+	for (y=0; y<r->h; y++) {
 		ys = y + r->y;
 		/*printf("dst %4d %4d     ", x, y); */
 		/*printf("src %4d %4d     ", xs, ys); */

-		if (ys<0 || ys>src->width)
-			{
+		if (ys<0 || ys>src->width) {
 			Image_plotRGB(clone, x, y, gray, gray, gray);
 			}
-		else
-			{
+		else	{
 			/* XXX calling this func is a nasty cpu sucker,
 			 * so we have to go to a nasty optimize trick */
 			/* XXX Image_pixel_copy(src, xs, ys, clone, x, y); */
 			(clone->Rpix[y])[x] = (src->Rpix[ys])[xs];
 			(clone->Gpix[y])[x] = (src->Gpix[ys])[xs];
 			(clone->Bpix[y])[x] = (src->Bpix[ys])[xs];
-
 			}
 		}
 	}
--- a/Lib/bmp.c
+++ b/Lib/bmp.c
@@ -19,15 +19,13 @@
 #include  "bmp.h"	/* maybe I can hardcoded bmp.h here ? */

 /*::------------------------------------------------------------------::*/
-static void
-fatal_error(char *txt)
+static void fatal_error(char *txt)
 {
 fprintf(stderr, "BMP: Fatal error: %s\n", txt);
 exit(10);
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_BMP_infos(char *nom, int *pw, int *ph, int *pt, int verb)
+int Image_BMP_infos(char *nom, int *pw, int *ph, int *pt, int verb)
 {
 FILE		*fp;
 BMPHEAD		head;
@@ -35,17 +33,20 @@ int		foo;

 if (verb)	printf("BMP_Infos : '%s'\n", nom);

-if ((fp=fopen(nom, "r")) == NULL)
-	{
+if ((fp=fopen(nom, "r")) == NULL) {
 	fprintf(stderr, "BMP_Infos: can't open %s\n", nom);
 	return FILE_NOT_FOUND;
 	}

 foo = fread(&head, 1, sizeof(head), fp);
+if (sizeof(head) != foo) {
+	fprintf(stderr, "%s: err read header of %s\n", __func__, nom);
+	fclose(fp);
+	return UNKNOW_ERROR;
+	} 
 fclose(fp);

-if (verb)
-	{
+if (verb) {
 	printf("signature    %c%c           filesize %8ld\n",
 		head.id[0], head.id[1], head.filesize);
 	printf("headerSize   %8ld     infoSize %8ld\n",
@@ -54,7 +55,7 @@ if (verb)
 			head.width, head.height, head.bits);
 	printf("colors: used %ld  important %ld\n", 
 			head.clrused, head.clrimportant);
-	printf("taille structure header  %d\n", sizeof(BMPHEAD));
+	printf("taille structure header  %ld\n", sizeof(BMPHEAD));
 	}
 /* 
 * now, return some usefull informations.
@@ -70,28 +71,32 @@ return 0;
 */
 #define PIX2BYTE(n) ((n+7)/8)

-Image_Desc *
-Image_BMP_alloc_load(char *nom, int reserved)
+Image_Desc * Image_BMP_alloc_load(char *nom, int reserved)
 {
+(void)reserved;				/* WARNING KILLER */
 FILE		*fp;
 BMPHEAD		head;
 int		ligne, foo, larg, col, ligne2;
 Image_Desc	*image;
 uint8_t		*buffer;

-if ((fp=fopen(nom, "r")) == NULL)
-	{
+if ((fp=fopen(nom, "r")) == NULL) {
 	fprintf(stderr, "can't open %s\n", nom);
 	return NULL;
 	}

 foo = fread(&head, 1, sizeof(head), fp);
+if (sizeof(head) != foo) {
+	fprintf(stderr, "%s: err read header of %s\n", __func__, nom);
+	fclose(fp);
+	return NULL;
+	} 
+
 #if DEBUG_LEVEL
 fprintf(stderr, "BMP: on a lu %d octets pour le header.\n", foo); 
 #endif

-if ( head.id[0] != 'B' || head.id[1] != 'M' )
-	{
+if ( head.id[0] != 'B' || head.id[1] != 'M' ) {
 	fprintf(stderr, "BMP_Alloc_Load: BAD MAGIC  %s\n", nom);
 	return NULL;
 	}
@@ -103,15 +108,13 @@ fprintf(stderr, "BMP_Alloc_Load: image depth = %d\n", head.bits);
 /*
 *	first step: allocating the memory.
 */
-switch (head.bits)
-	{
+switch (head.bits) {
 	case 1:	case 4: case 8:
 		fprintf(stderr, "bit depth %d not supported\n", head.bits);
 		return NULL;
 		break;

 	case 24:
-
        	if ( (image=Image_alloc(head.width, head.height, 3))==NULL)
            		fatal_error("no memory for picture in 'alloc_load'\n");

@@ -119,7 +122,6 @@ switch (head.bits)
            		fatal_error("no memory for buffer in 'alloc_load'\n");

 		larg = head.width * 3;
-
 		break;

 	default:
@@ -132,8 +134,7 @@ switch (head.bits)
 /*
 *	round up to an even dword boundary	(?)
 */
-if (larg & 0x00000003)
-	{
+if (larg & 0x00000003) {
 	larg |= 0x00000003;
 	larg++;
 	}
@@ -143,17 +144,14 @@ if (larg & 0x00000003)
 *
 *	(no default case, filtered in first step)
 */
-switch (head.bits)
-    {
+switch (head.bits) {
    case 24:

-	for (ligne=0; ligne<head.height; ligne++)
-	    {
+	for (ligne=0; ligne<head.height; ligne++) {
 	    foo=fread(buffer, 1, larg, fp);
 	    /* printf("ligne %5d lu %d\n", ligne, foo); */
 	    ligne2 = head.height - ligne - 1;
-	    for (col=0; col<head.width; col++)
-		{
+	    for (col=0; col<head.width; col++) {
                (image->Bpix[ligne2])[col] = buffer[  col*3 ];
                (image->Gpix[ligne2])[col] = buffer[ (col*3) + 1 ];
                (image->Rpix[ligne2])[col] = buffer[ (col*3) + 2 ];
@@ -172,9 +170,9 @@ return image;
 *
 *	et cette fois-ci, on va faire gaffe au boutisme :)
 */
-int
-Image_BMP_save_24(char *filename, Image_Desc *img, int flag)
+int Image_BMP_save_24(char *filename, Image_Desc *img, int flag)
 {
+(void)flag;				/* WARNING KILLER */
 FILE		*fp;
 long		grand;
 short		court;
@@ -187,8 +185,7 @@ fprintf(stderr, "%s : writing %p to %s, flag=%d\n", __func__,
 				img, filename, flag);
 #endif

-if ((fp=fopen(filename, "w")) == NULL)
-	{
+if ((fp=fopen(filename, "w")) == NULL) {
 	fprintf(stderr, "can't open %s for writing\n", filename);
 	return FILE_CREATE_ERR;
 	}
@@ -206,8 +203,7 @@ if (bytes & 0x3)
 	bytes++;
 	}
 */
-switch (bytes & 0x3)
-	{
+switch (bytes & 0x3) {
 	case 0:		/* OK */	break;
 	case 1:		bytes+=3;	break;
 	case 2:		bytes+=2;	break;
@@ -261,14 +257,12 @@ fflush(fp);
 if ((buffer=(uint8_t *)malloc(sizeof(uint8_t)*4*img->width)) == NULL)
    fatal_error("no memory buffer for BMP24 save operation");

-for (line=img->height-1; line>=0; line--)
-	{
+for (line=img->height-1; line>=0; line--) {
 	ptr = buffer;
        Rptr = img->Rpix[line];
        Gptr = img->Gpix[line];
        Bptr = img->Bpix[line];
-        for (foo=0; foo<img->width; foo++)
-            {
+        for (foo=0; foo<img->width; foo++) {
            *ptr++ = Bptr[foo];
            *ptr++ = Gptr[foo];
            *ptr++ = Rptr[foo];
--- a/Lib/cadres.c
+++ b/Lib/cadres.c
@@ -15,37 +15,32 @@
 *	l'epaisseur de ce cadre est de DEUX pixels, et cette valeur
 *	ne doit pas changer, car d'autres fonctions en dependent.
 */
-int
-Image_cadre_A(Image_Desc *im)
+int Image_cadre_A(Image_Desc *im)
 {
 int	x, y;
 int	a, b;

 a = 0;	b = 255;

-for (x=0; x<im->width; x++)
-	{
+for (x=0; x<im->width; x++) {
 	(im->Rpix[0])[x] = a;
 	(im->Gpix[0])[x] = a;
 	(im->Bpix[0])[x] = a;
 	Image_plotRGB(im, x, im->height-1, a, a, a);
 	}
-for (y=0; y<im->height; y++)
-	{
+for (y=0; y<im->height; y++) {
 	(im->Rpix[y])[0] = a;
 	(im->Gpix[y])[0] = a;
 	(im->Bpix[y])[0] = a;
 	Image_plotRGB(im, im->width-1, y, a, a, a);
 	}
-for (x=1; x<im->width-1; x++)
-	{
+for (x=1; x<im->width-1; x++) {
 	(im->Rpix[1])[x] = b;
 	(im->Gpix[1])[x] = b;
 	(im->Bpix[1])[x] = b;
 	Image_plotRGB(im, x, im->height-2, b, b, b);
 	}
-for (y=1; y<im->height-1; y++)
-	{
+for (y=1; y<im->height-1; y++) {
 	(im->Rpix[y])[1] = b;
 	(im->Gpix[y])[1] = b;
 	(im->Bpix[y])[1] = b;
@@ -57,8 +52,7 @@ return OLL_KORRECT;
 /*
 * 30 septembre 2008: Image_cadre_B devient Image_cadre_cracra :)
 */
-int
-Image_cadre_cracra(Image_Desc *im, int largeur, int k)
+int Image_cadre_cracra(Image_Desc *im, int largeur, int k)
 {
 int	x, y, r, g, b;

@@ -69,10 +63,8 @@ if (im->width < (largeur+5) || im->height < (largeur+5))
 fprintf(stderr, "%s: k is $%04x\n", __func__, k);
 #endif

-for (y=0; y<im->height; y++)
-	{
-	for (x=0; x<largeur; x++)
-		{
+for (y=0; y<im->height; y++) {
+	for (x=0; x<largeur; x++) {
 		r = rand() % (10 + x * 20);
 		g = rand() % (11 + x * 10);
 		b = rand() % (10 + x * 12);
@@ -81,8 +73,7 @@ for (y=0; y<im->height; y++)
 		(im->Gpix[y])[x] = g;
 		(im->Bpix[y])[x] = b;
 		}
-	for (x=0; x<largeur; x++)
-		{
+	for (x=0; x<largeur; x++) {
 		r = rand() % (10 + (largeur-x) * 20);
 		g = rand() % (10 + (largeur-x) * 10);
 		b = rand() % (10 + (largeur-x) * 12);
@@ -90,10 +81,8 @@ for (y=0; y<im->height; y++)
 		}
 	}

-for (x=0; x<im->width; x++)
-	{
-	for (y=0; y<largeur; y++)
-		{
+for (x=0; x<im->width; x++) {
+	for (y=0; y<largeur; y++) {
 		r = rand() % (10 + y * 10);
 		g = rand() % (10 + y * 12);
 		b = rand() % (10 + y * 20);
@@ -102,8 +91,7 @@ for (x=0; x<im->width; x++)
 		(im->Gpix[y])[x] = g;
 		(im->Bpix[y])[x] = b;
 		}
-	for (y=0; y<largeur; y++)
-		{
+	for (y=0; y<largeur; y++) {
 		r = rand() % (10 + (largeur-y) * 10);
 		g = rand() % (10 + (largeur-y) * 12);
 		b = rand() % (10 + (largeur-y) * 20);
@@ -192,8 +180,7 @@ return OLL_KORRECT;
 /*
 *    this function was the successor of the 'C' cadre. Need a rename.
 */
-int
-Image_cadre_bruit(Image_Desc *im, int r, int g, int b, int n)
+int Image_cadre_bruit(Image_Desc *im, int r, int g, int b, int n)
 {
 int	x, y, x2, y2, ir, ig, ib;
 float	fx, fy;
@@ -211,8 +198,7 @@ fn = (float)(n*n);
 x2 = im->width / 2;
 y2 = im->height / 2;

-for (y=0; y<im->height; y++)
-	{
+for (y=0; y<im->height; y++) {
 	/*
 	 *	distance au bord HAUT BAS le plus proche
 	 */
@@ -220,8 +206,7 @@ for (y=0; y<im->height; y++)
 	else		fy = (float)((im->height - y)-1);
 	fy = fy*fy;

-	for (x=0; x<im->width; x++)
-		{
+	for (x=0; x<im->width; x++) {
 		/*
 		 *	distance au bord DROITE GAUCHE le plus proche
 		 */
@@ -232,15 +217,12 @@ for (y=0; y<im->height; y++)
 		if (fx < fy)	d = fx;
 		else		d = fy;

-		if (d < fn)
-			{
+		if (d < fn) {
 			level = (int)((d / fn) * 1000.0);
-			if ( (rand()%1000) < level )
-				{
+			if ( (rand()%1000) < level ) {
 				Image_getRGB(im, x, y, &ir, &ig, &ib);	
 				}
-			else
-				{
+			else	{
 				ir = r;    ig = g;    ib = b;
 				}
 			/* Image_plotRGB(im, x, y, ir, ig, ib); */
@@ -255,14 +237,12 @@ return OLL_KORRECT;
 }
 /*::------------------------------------------------------------------::*/
 /* inventee pour blablanux :) */
-int
-Image_cadre_E(Image_Desc *im, int v1, int v2, int v3, int dim)
+int Image_cadre_E(Image_Desc *im, int v1, int v2, int v3, int dim)
 {
 int	foo, bar;
 Image_Rect rect;

-for (foo=0; foo<dim; foo++)
-	{
+for (foo=0; foo<dim; foo++) {
 	bar = 1 << (foo%8);
 #if DEBUG_LEVEL > 1
 	fprintf(stderr, "cadre E: foo is %d, bar is 0x%x\n", foo, bar);
@@ -274,32 +254,28 @@ for (foo=0; foo<dim; foo++)
 	Image_draw_rect(im, &rect, v1^bar, v2^bar, v3^bar);
 	}

-return 0;
+return OLL_KORRECT;
 }
 /*::------------------------------------------------------------------::*/
 /*						5 Fev 2001
 *		pas de dégradé
 */
-int
-Image_cadre_pattern_0(Image_Desc *im, Image_Desc *pat, int larg)
+int Image_cadre_pattern_0(Image_Desc *im, Image_Desc *pat, int larg)
 {
 int	x, y, r, g, b;

 /*
 *	Tiens, je la supposais plus facile a ecrire...
 */
-for (y=0; y<im->height; y++)
-	{
-	for (x=0; x<larg; x++)
-		{
+for (y=0; y<im->height; y++) {
+	for (x=0; x<larg; x++) {
 		Image_getRGB(pat, x%pat->width, y%pat->height, &r, &g, &b);
 		/* Image_plotRGB(im, x, y, r, g, b); */
 		(im->Rpix[y])[x] = r;
 		(im->Gpix[y])[x] = g;
 		(im->Bpix[y])[x] = b;
 		}
-	for (x=im->width-larg; x<im->width; x++)
-		{
+	for (x=im->width-larg; x<im->width; x++) {
 		Image_getRGB(pat, x%pat->width, y%pat->height, &r, &g, &b);
 		/* Image_plotRGB(im, x, y, r, g, b); */
 		(im->Rpix[y])[x] = r;
@@ -308,18 +284,15 @@ for (y=0; y<im->height; y++)
 		}
 	}

-for (x=0; x<im->width; x++)
-	{
-	for (y=0; y<larg; y++)
-		{
+for (x=0; x<im->width; x++) {
+	for (y=0; y<larg; y++) {
 		Image_getRGB(pat, x%pat->width, y%pat->height, &r, &g, &b);
 		/* Image_plotRGB(im, x, y, r, g, b); */
 		(im->Rpix[y])[x] = r;
 		(im->Gpix[y])[x] = g;
 		(im->Bpix[y])[x] = b;
 		}
-	for (y=im->height-larg; y<im->height; y++)
-		{
+	for (y=im->height-larg; y<im->height; y++) {
 		Image_getRGB(pat, x%pat->width, y%pat->height, &r, &g, &b);
 		/* Image_plotRGB(im, x, y, r, g, b); */
 		(im->Rpix[y])[x] = r;
@@ -332,10 +305,9 @@ return OLL_KORRECT;
 }
 /*::------------------------------------------------------------------::*/
 /*						12 Feb 2001
- *		dégradé propotionnel à la distance 
+ *		dégradé proportionnel à la distance 
 */
-int
-Image_cadre_pattern_1(Image_Desc *im, Image_Desc *pat, int n)
+int Image_cadre_pattern_1(Image_Desc *im, Image_Desc *pat, int n)
 {
 int	x, y, x2, y2, ir, ig, ib, jr, jg, jb, r, g, b;
 float	fx, fy;
@@ -348,12 +320,11 @@ x2 = im->width / 2;
 y2 = im->height / 2;

 #if DEBUG_LEVEL
-fprintf(stderr, "*** cadre pattern 1 : fn = %f\n", fn);
+fprintf(stderr, "*** %s: fn = %f\n", __func__, fn);
 #endif

 lmax = 0;
-for (y=0; y<im->height; y++)
-	{
+for (y=0; y<im->height; y++) {
 	/*
 	 *	distance au bord HAUT BAS le plus proche
 	 */
@@ -361,8 +332,7 @@ for (y=0; y<im->height; y++)
 	else		fy = (float)((im->height - y)-1);
 	fy = fy*fy;

-	for (x=0; x<im->width; x++)
-		{
+	for (x=0; x<im->width; x++) {

 		/*
 		 *	distance au bord DROITE GAUCHE le plus proche
@@ -377,11 +347,9 @@ for (y=0; y<im->height; y++)
 		if (fx < fy)	d = fx;
 		else		d = fy;

-		if (d < fn)
-			{
+		if (d < fn) {
 			level = (int)(100 * d / fn);
-			if (level > lmax)
-				{
+			if (level > lmax) {
 				lmax = level;
 				}

@@ -405,8 +373,7 @@ fprintf(stderr, "cadre pattern 1 : lmax = %d\n", lmax);
 return OLL_KORRECT;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_cadre_pattern_2(Image_Desc *im, Image_Desc *pat, int n)
+int Image_cadre_pattern_2(Image_Desc *im, Image_Desc *pat, int n)
 {
 int	x, y, x2, y2, ir, ig, ib;
 int	xp, yp;
@@ -425,15 +392,13 @@ fprintf(stderr, "*** cadre pat 2 : pat: %d x %d\n", pat->width, pat->height);
 #endif

 lmax = 0;
-for (y=0; y<im->height; y++)
-	{
+for (y=0; y<im->height; y++) {
 	/* distance au bord HAUT BAS le plus proche */
 	if (y < y2)	fy = (float)y;
 	else		fy = (float)((im->height - y)-1);
 	fy = fy*fy;

-	for (x=0; x<im->width; x++)
-		{
+	for (x=0; x<im->width; x++) {
 		/* distance au bord DROITE GAUCHE le plus proche */
 		if (x < x2)	fx = (float)x;
 		else		fx = (float)((im->width - x)-1);
@@ -442,15 +407,12 @@ for (y=0; y<im->height; y++)
 		if (fx < fy)	d = fx;
 		else		d = fy;

-		if (d < fn)
-			{
+		if (d < fn) {
 			level = (int)((d / fn) * 1000.0);
-			if ( (rand()%1000) < level )
-				{
+			if ( (rand()%1000) < level ) {
 				Image_getRGB(im, x, y, &ir, &ig, &ib);	
 				}
-			else
-				{
+			else {
 				xp = x % pat->width;
 				yp = y % pat->height;
 				Image_getRGB(pat, xp, yp, &ir, &ig, &ib);	
@@ -468,44 +430,38 @@ return OLL_KORRECT;
 /*::------------------------------------------------------------------::*/
 /*				nouveau : Mon 12 Sep 2022 10:47:18 PM CEST
 */
-int Image_cadre_std2(Image_Desc *im, int r, int g, int b, int nh, int nv)
+int Image_cadre_std2(Image_Desc *im, int r, int g, int b, int nx, int ny)
 {
 int			x, y;

 #if DEBUG_LEVEL
 fprintf(stderr, ">>> %s ( %p   %d %d %d   %d %d )\n", __func__,
-			im,	r, g, b,   nh, nv);
+			im,	r, g, b,   nx, ny);
 #endif

-for (y=0; y<im->height; y++)
-	{
-	for (x=0; x<nv; x++)
-		{
+for (y=0; y<im->height; y++) {
+	for (x=0; x<nx; x++) {
 		(im->Rpix[y])[x] = r;
 		(im->Gpix[y])[x] = g;
 		(im->Bpix[y])[x] = b;
 		}
-	for (x=0; x<nv; x++)
-		{
-		(im->Rpix[y])[im->width-x] = r;
-		(im->Gpix[y])[im->width-x] = g;
-		(im->Bpix[y])[im->width-x] = b;
+	for (x=0; x<nx; x++) {
+		(im->Rpix[y])[im->width-x-1] = r;
+		(im->Gpix[y])[im->width-x-1] = g;
+		(im->Bpix[y])[im->width-x-1] = b;
 		}
 	}

-for (x=0; x<im->width; x++)
-	{
-	for (y=0; y<nh; y++)
-		{
+for (x=0; x<im->width; x++) {
+	for (y=0; y<ny; y++) {
 		(im->Rpix[y])[x] = r;
 		(im->Gpix[y])[x] = g;
 		(im->Bpix[y])[x] = b;
 		}
-	for (y=0; y<nh; y++)
-		{
-		(im->Rpix[y+im->height-nh])[x] = r;
-		(im->Gpix[y+im->height-nh])[x] = g;
-		(im->Bpix[y+im->height-nh])[x] = b;
+	for (y=0; y<ny; y++) {
+		(im->Rpix[y+im->height-ny])[x] = r;
+		(im->Gpix[y+im->height-ny])[x] = g;
+		(im->Bpix[y+im->height-ny])[x] = b;
 		}
 	}

--- a/Lib/cadres4.c
+++ b/Lib/cadres4.c
@@ -11,26 +11,23 @@
 /*::------------------------------------------------------------------::*/
 /*
 *	fonction en chantier -> coredump probable
- *	je ne sais pas à quoi va servir le paramètre 'flags' ...
+ *	je ne sais pas a quoi va servir le parametre 'flags' ...
 *   7 nov 2007:
 *      le flag a disparu, il contient maintenant la valeur de
 *      la composante verte. lol.
 */
-int
-Image_cadre_burp_0(Image_Desc *img, int p1, int p2, int gval)
+int Image_cadre_burp_0(Image_Desc *img, int p1, int p2, int gval)
 {
 int	x, y, zz, v;


 #if DEBUG_LEVEL
-fprintf(stderr, "%s  p1=%d p2=%d flg=0x%02x\n", __func__, p1, p2, gval);
+fprintf(stderr, ">>> %s ( %p %d %d 0x%02x )\n", __func__, img, p1, p2, gval);
 #endif

-for (x=0; x<img->width; x++)
-	{
+for (x=0; x<img->width; x++) {
 	v = (x * 256) / img->width;
-	for (zz=0; zz<p1; zz++)
-		{
+	for (zz=0; zz<p1; zz++) {
 		y = zz;
 		(img->Rpix[y])[x] = 0;
 		(img->Gpix[y])[x] = gval;
@@ -43,11 +40,9 @@ for (x=0; x<img->width; x++)
 		}
 	}

-for (y=p1; y<img->height-p1; y++)
-	{
+for (y=p1; y<img->height-p1; y++) {
 	v = (y * 256) / img->height;
-	for (zz=0; zz<p2; zz++)
-		{
+	for (zz=0; zz<p2; zz++)	{
 		x = zz;
 		(img->Rpix[y])[x] = 0;
 		(img->Gpix[y])[x] = gval;
@@ -70,8 +65,7 @@ return FUNC_IS_BETA;
 *	1er Juillet 2022: la colere est toujours la, mais ce n'est pas la
 *	meme qu'il y a vingt ans...
 */
-int
-Image_cadre_burp_1(Image_Desc *img, int p1, int p2, int flags)
+int Image_cadre_burp_1(Image_Desc *img, int p1, int p2, int flags)
 {
 int	x, xx, y, yy, v;

@@ -81,14 +75,12 @@ int	x, xx, y, yy, v;
 fprintf(stderr, ">>> %s ( %p %d %d $%x )\n", __func__, img, p1, p2, flags);
 #endif

-for (x=0; x<img->width; x++)
-	{
+for (x=0; x<img->width; x++) {
 	v = (x * 256) / img->width;
 #if DEBUG_LEVEL > 1
 	printf("%s : debug %d %d\n", __func__, x, v);
 #endif
-	for (yy=0; yy<p1; yy++)
-		{
+	for (yy=0; yy<p1; yy++)	{
 		y = yy;
 		(img->Rpix[y])[x] = TOPV-v;
 		(img->Gpix[y])[x] = TOPV;
@@ -101,11 +93,9 @@ for (x=0; x<img->width; x++)
 		}
 	}

-for (y=p1; y<img->height-p1; y++)
-	{
+for (y=p1; y<img->height-p1; y++) {
 	v = (y * 256) / img->height;
-	for (xx=0; xx<p2; xx++)
-		{
+	for (xx=0; xx<p2; xx++)	{
 		x = xx;
 		(img->Rpix[y])[x] = 0;
 		(img->Gpix[y])[x] = TOPV;
@@ -118,8 +108,7 @@ for (y=p1; y<img->height-p1; y++)
 		}
 	}

-if (flags & 1)
-	{
+if (flags & 1) {
 	fprintf(stderr, "plop from %s\n", __func__);
 	}

@@ -133,8 +122,7 @@ return OLL_KORRECT;
 * des exemples des objets POV de tTh
 *
 */
-int
-Image_cadre_burp_2(Image_Desc *img, int taille, int pr, int pg, int pb)
+int Image_cadre_burp_2(Image_Desc *img, int taille, int pr, int pg, int pb)
 {
 int	x, y, zz;

@@ -142,10 +130,8 @@ int	x, y, zz;
 fprintf(stderr, ">>> %s: sz %d, rgb  %d %d %d\n", __func__, taille, pr, pg, pb);
 #endif

-for (x=0; x<img->width; x++)
-	{
-	for (zz=0; zz<taille; zz++)
-		{
+for (x=0; x<img->width; x++) {
+	for (zz=0; zz<taille; zz++) {
 		y = zz;
 		(img->Rpix[y])[x] |= pr;
 		(img->Gpix[y])[x] ^= pg;
@@ -158,10 +144,8 @@ for (x=0; x<img->width; x++)
 		}
 	}

-for (y=taille; y<img->height-taille; y++)
-	{
-	for (zz=0; zz<taille; zz++)
-		{
+for (y=taille; y<img->height-taille; y++) {
+	for (zz=0; zz<taille; zz++) {
 		x = zz;
 		(img->Rpix[y])[x] |= pr;
 		(img->Gpix[y])[x] ^= pg;
@@ -177,13 +161,13 @@ for (y=taille; y<img->height-taille; y++)
 return OLL_KORRECT;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_cadre_burp_3(Image_Desc *img, int taille, int pr, int pg, int pb)
+int Image_cadre_burp_3(Image_Desc *img, int taille, int pr, int pg, int pb)
 {
 int 	foo;

 #if DEBUG_LEVEL
-fprintf(stderr, "Cadre burp3 on %p\n", img);
+fprintf(stderr, ">>> %s ( %p   %d   %d %d %d)\n", __func__, img, taille,
+								pr, pg, pb);
 #endif

 foo = Image_cadre_burp_2(img, taille, pr, pg, pb);
@@ -201,7 +185,7 @@ int		foo;
 int		r, g, b;

 #if DEBUG_LEVEL
-fprintf(stderr, "%s : img at %p, taille=%d\n", __func__, img, taille);
+fprintf(stderr, ">>> %s ( %p %d )\n", __func__, img, taille);
 #endif

 #define RASTA_RAND	4
@@ -210,33 +194,30 @@ rect.x = rect.y = 0;
 rect.w = img->width;
 rect.h = img->height;

-for (foo=0; foo<taille; foo++)
-	{
+for (foo=0; foo<taille; foo++) {
 	r = 220 + (rand() % RASTA_RAND);
 	b = 10 + (rand() % RASTA_RAND);
-	Image_draw_rect(img, &rect, r, 10, b);
+	Image_draw_rect(img, &rect, r, 12, b);
 	rect.x++;	rect.y++;
 	rect.h-=2;	rect.w-=2;
 	}
-for (foo=0; foo<taille; foo++)
-	{
+for (foo=0; foo<taille; foo++) {
 	r = 220 + (rand() % RASTA_RAND);
 	g = 200 + (rand() % RASTA_RAND);
-	Image_draw_rect(img, &rect, r, g, 10);
+	Image_draw_rect(img, &rect, r, g, 12);
 	rect.x++;	rect.y++;
 	rect.h-=2;	rect.w-=2;
 	}
-for (foo=0; foo<taille; foo++)
-	{
+for (foo=0; foo<taille; foo++) {
 	g = 220 + (rand() % RASTA_RAND);
 	b = 10 + (rand() % RASTA_RAND);
-	Image_draw_rect(img, &rect, 10, g, b);
+	Image_draw_rect(img, &rect, 12, g, b);
 	rect.x++;	rect.y++;
 	rect.h-=2;	rect.w-=2;
 	}

 img->modified = 1;

-return FUNC_IS_BETA;
+return OLL_KORRECT;
 }
 /*::------------------------------------------------------------------::*/
--- a/Lib/calcluts.c
+++ b/Lib/calcluts.c
@@ -2,7 +2,7 @@
 			calcluts.c
 			----------

-   voir aussi: luts15bits.c
+   voir aussi: luts15bits.c & palettes.c

 */

@@ -17,29 +17,26 @@
 #include  "../tthimage.h"

 /*::------------------------------------------------------------------::*/
-int
-Image_calclut_lin(int *lut, int v0, int v255)
+int Image_calclut_lin(int *lut, int v0, int v255)
 {
 int foo, quux, delta;

 #if DEBUG_LEVEL
-fprintf(stderr, "calclut lin: v0 = %d  v255 = %d\n", v0, v255);
+fprintf(stderr, ">>> %s ( %p %d %d )\n", __func__, lut, v0, v255);
 #endif

 delta = v255 - v0;
-if (delta == 0)
-	{
+if (delta == 0)	{
 	return DIVISOR_IS_0;
 	}

 #if DEBUG_LEVEL
-fprintf(stderr, "calclut lin: delta = %d\n", delta);
+fprintf(stderr, "    calclut lin: delta = %d\n", delta);
 #endif

-for (foo=0; foo<256; foo++)
-	{
+for (foo=0; foo<256; foo++) {
 	quux = (foo * delta / 255) + v0;
-#if DEBUG_LEVEL
+#if DEBUG_LEVEL > 1
 	printf("lut(%d) = %d\n", foo, quux);
 #endif
 	lut[foo] = quux;
@@ -48,66 +45,53 @@ for (foo=0; foo<256; foo++)
 return FUNC_IS_ALPHA;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_calclut_foo(int *lut, int v0, int v255)
+int Image_calclut_foo(int *lut, int v0, int v255)
 {
-fprintf(stderr, "%s ( %p %d %d )\n", __func__, lut, v0, v255);
+fprintf(stderr, ">>> %s ( %p %d %d )\n", __func__, lut, v0, v255);

 return FUNC_IS_ALPHA;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_print_lut(int *lut, char *fname, int flag)
+int Image_print_lut(int *lut, char *fname, int flag)
 {
 FILE	*fp;
 int	foo;

-if (strcmp(fname, "-"))
-	fp = fopen(fname, "w");
-else
-	fp = stdout;
+if (strcmp(fname, "-"))		fp = fopen(fname, "w");
+else				fp = stdout;

-for (foo=0; foo<256; foo++)
-	{
-	if (flag)
-		printf("%d ", foo);
-	printf("%d\n", lut[foo]);
+for (foo=0; foo<256; foo++) {
+	if (flag) printf("%4d ", foo);
+	printf("  %4d\n", lut[foo]);
 	}

-if (fp!=stdout)
-	fclose(fp);
+if (fp!=stdout)			fclose(fp);

 return FUNC_IS_ALPHA;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_load_lut(int *lut, char *fname, int flag)
+int Image_load_lut(int *lut, char *fname, int flag)
 {
 FILE	*fp;
 int	value, foo, idx;

+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p '%s' )\n", __func__, fname, lut);
+#endif
+
 if (flag) {
 	fprintf(stderr, "in %s, flag must be O, was %d\n", __func__, flag);
 	return WRONG_FLAG;
 	}

-#if DEBUG_LEVEL
-fprintf(stderr, "load_lut %s in %p\n", fname, lut);
-#endif
-
-if (NULL==(fp=fopen(fname, "r")))
-	{
+if (NULL==(fp=fopen(fname, "r"))) {
 	fprintf(stderr, "%s can't fopen %s\n", __func__, fname);
 	return 666;
 	}

 /* WARNING : very crude code here (4 nov 1999) */
-for (idx=0; idx<256; idx++)
-	{
+for (idx=0; idx<256; idx++) {
 	foo = fscanf(fp, "%d", &value);
-#if DEBUG_LEVEL
-	fprintf(stderr, "load lut %3d %3d %d\n", idx, foo, value);
-#endif
 	if (1==foo)	lut[idx] = value;
 	else		lut[idx] = -1;
 	}
--- a/Lib/calculs.c
+++ b/Lib/calculs.c
@@ -246,14 +246,13 @@ return OLL_KORRECT;
 }
 /*::------------------------------------------------------------------::*/

-int
-Image_LUT_mono(Image_Desc *src, Image_Desc *dst, int *lut)
+int Image_LUT_mono(Image_Desc *src, Image_Desc *dst, int *lut)
 {
 int	x, y, foo;

 if ( (foo=Image_compare_desc(src, dst)) )
    {
-    fprintf(stderr, "Image_LUT_mono: images differentes %d\n", foo);
+    fprintf(stderr, "%s: images differentes %d\n", __func__, foo);
    return foo;
    }

@@ -267,7 +266,7 @@ for (y=0; y<src->height; y++)
 	}
    }

-return 0;
+return OLL_KORRECT;
 }
 /*::------------------------------------------------------------------::*/
 /* et en parlant de LUTs, il n'y aurait pas un truc pour les LUTs
--- a/Lib/col4bits.c
+++ b/Lib/col4bits.c
@@ -11,8 +11,7 @@
 #include   "../tthimage.h"

 /*::------------------------------------------------------------------::*/
-int
-Image_col4bits_and(Image_Desc *src, Image_Desc *dst)
+int Image_col4bits_and(Image_Desc *src, Image_Desc *dst)
 {
 int	foo;

@@ -52,13 +51,13 @@ static int compare_teinte(struct elem *p1, struct elem *p2)
 {
 int	r1, g1, b1, r2, b2, g2;

-r1 = (( (p1->rgb) >>8)&0xf)<<4; 
-g1 = (( (p1->rgb) >>4)&0xf)<<4; 
-b1 = ( (p1->rgb) &0xf)<<4;
+r1 = (( (p1->rgb) >>8)&0xf)	<<4; 
+g1 = (( (p1->rgb) >>4)&0xf)	<<4; 
+b1 = ( (p1->rgb) &0xf)		<<4;

-r2 = (( (p2->rgb) >>8)&0xf)<<4; 
-g2 = (( (p2->rgb) >>4)&0xf)<<4; 
-b2 = ( (p2->rgb) &0xf)<<4;
+r2 = (( (p2->rgb) >>8)&0xf)	<<4; 
+g2 = (( (p2->rgb) >>4)&0xf)	<<4; 
+b2 = ( (p2->rgb) &0xf)		<<4;

 /* printf("%8d %8d\n", p1->compte, p2->compte);
 return (p1->rgb - p2->rgb); */
@@ -67,10 +66,11 @@ return ( (r1+g1+b1) - (r2+g2+b2) );
 }

 /*::------------------------------------------------------------------::*/
-
+/*
+ *				XXX please explain parameters usage !
+ */
 #define TAILLE	(1<<12)
-int
-Image_calc_Map_4bits(Image_Desc *img, RGB_map *map, int nbre)
+int Image_calc_Map_4bits(Image_Desc *img, RGB_map *map, int nbre)
 {
 long	surface, maxi;
 int	x, y, r, g, b, idx;
@@ -81,35 +81,30 @@ struct elem	elems[TAILLE];
 fprintf(stderr, "  Calc map 4 bits: nbre = %d\n", nbre);
 #endif

-if ( (nbre<1) || (nbre>255) )
-	{
-	fprintf(stderr, "Calc map 4 bits: nbre %d out of range\n", nbre);
+if ( (nbre<1) || (nbre>255) ) {
+	fprintf(stderr, "%s: nbre %d out of range\n", __func__, nbre);
 	return BAD_COLOR_NUMBER;
 	}

 surface = img->width * img->height;
 #if DEBUG_LEVEL
-fprintf(stderr, "  calc Map 4 bits: surface de l'image = %ld pixels\n", surface);
+fprintf(stderr, "%s: surface de l'image = %ld pixels\n", __func__, surface);
 #endif

-for (x=0; x<TAILLE; x++)
-	{
+for (x=0; x<TAILLE; x++) {
 	elems[x].compte = 0L;
 	elems[x].rgb = x;
 	}

 maxi = 0L;
-for (x=0; x<img->width; x++)
-    {
-    for (y=0; y<img->height; y++)
-        {
+for (x=0; x<img->width; x++) {
+    for (y=0; y<img->height; y++) {
        r = (img->Rpix[y])[x] >> 4;
        g = (img->Gpix[y])[x] >> 4;
        b = (img->Bpix[y])[x] >> 4;
        idx = (r<<8) | (g<<4) | b;

-	if (idx >= TAILLE)
-		{
+	if (idx >= TAILLE) {
 		fprintf(stderr, "FATAL ERROR in %s\n", __func__);
 		exit(5);
 		}
@@ -119,7 +114,7 @@ for (x=0; x<img->width; x++)
        }
    }
 #if DEBUG_LEVEL
-fprintf(stderr, "  Map4bits: compte maximum     = %ld\n", maxi);
+fprintf(stderr, "%s: compte maximum     = %ld\n", __func__, maxi);
 #endif

 /*
@@ -130,7 +125,6 @@ qsort(elems, TAILLE, sizeof(struct elem), compare_compteur);

 /*
 *	trier la palette, certe, mais dans quel ordre ?
- *
 *	28 Jan 2002: why ?
 */
 qsort(elems, nbre, sizeof(struct elem), compare_teinte);
@@ -138,8 +132,7 @@ qsort(elems, nbre, sizeof(struct elem), compare_teinte);
 /*
 *	recopier les 'nbre' entrees hautes dans la palette
 */
-for(x=0; x<nbre; x++)
-	{
+for(x=0; x<nbre; x++) {
 	y = elems[x].rgb;

 	r = ((y>>8)&0xf)<<4; 
--- a/Lib/col_reduc.c
+++ b/Lib/col_reduc.c
@@ -8,6 +8,8 @@

 #include  "../tthimage.h"

+#define DEBUG_LEVEL 1
+
 /*::------------------------------------------------------------------::*/
 /*
 *	ATTENTION: cette fonction sert à faire des essais, et ne doit
@@ -16,8 +18,7 @@
 *
 *	n is the number of wanted colors 
 */
-int
-Image_essai_col_reduce(Image_Desc *src, Image_Desc *dst, int n, int t)
+int Image_essai_col_reduce(Image_Desc *src, Image_Desc *dst, int n, int t)
 {
 RGB_map		map;
 int		foo;
--- a/Lib/colors.c
+++ b/Lib/colors.c
@@ -489,6 +489,8 @@ d->modified   = 1;
 return OLL_KORRECT;
 }
 /*::------------------------------------------------------------------::*/
+/*        what are the three magic constants *_COEF ?
+ */
 int Image_to_gray(Image_Desc *s, Image_Desc *d, int flag)
 {
 int	foo;
--- a/Lib/combine.c
+++ b/Lib/combine.c
@@ -4,13 +4,14 @@

 	made by Thierry Boudet, aka "Oulala", aka "Tonton Th".

-	ces fonctions combinent de diverses façons deux images
+	ces fonctions combinent de diverses facons deux images
 	de memes dimensions. on pourra, par exemple, les utiliser
 	pour comparer deux traitements.
 */

 #include  <stdio.h>
 #include  <stdlib.h>
+#include  <math.h>

 #include  "../tthimage.h"

@@ -21,20 +22,19 @@

 /*::------------------------------------------------------------------::*/
 /*
- *	le paramètre 'zak' n'est pas utilisé et doit être mis à 0
+ *	le parametre 'zak' n'est pas utilise et doit etre mis a 0
 */
-int
-Image_combine_lines(Image_Desc *s1, Image_Desc *s2, Image_Desc *d,
+int Image_combine_lines(Image_Desc *s1, Image_Desc *s2, Image_Desc *d,
 			int sy, int oy, int zak)
 {
 int	foo, x, y, my, r, g, b;

 if (sy == 0) {
-	fprintf(stderr, "Combine Lines: sy is zer0 and zak is %d\n", zak);
+	fprintf(stderr, "%s: sy is 0 and zak is %d\n", __func__, zak);
 	return DIVISOR_IS_ZERO;
 	}
 if ( (foo=Image_compare_desc(s1, s2)) ) {
-	fprintf(stderr, "Combine Lines: sources are differents (%d)\n", foo);
+	fprintf(stderr, "%s: sources are differents (%d)\n", __func__, foo);
 	return foo;
 	}

@@ -65,14 +65,17 @@ return OLL_KORRECT;
 }
 /*::------------------------------------------------------------------::*/
 /*
- *	le paramètre 'zak' n'est pas utilisé et doit être mis à 0
+ *	le parametre 'zak' n'est pas utilise et doit etre mis a 0
 */
-int
-Image_combine_columns(Image_Desc *s1, Image_Desc *s2, Image_Desc *d,
+int Image_combine_columns(Image_Desc *s1, Image_Desc *s2, Image_Desc *d,
 			int sx, int ox, int zak)
 {
 int	foo, x, y, mx, r, g, b;

+if (zak) {
+	fprintf(stderr, "in %s, zak is not 0\n", __func__);
+	}
+
 if (sx == 0) {
 	fprintf(stderr, "Combine Columns: sx is zer0\n");
 	return DIVISOR_IS_ZERO;
@@ -116,8 +119,7 @@ return OLL_KORRECT;
 *	
 *	'zak' parameter is not used, and must be 0.
 */
-int
-Image_combine_checker(Image_Desc *s1, Image_Desc *s2, Image_Desc *d,
+int Image_combine_checker(Image_Desc *s1, Image_Desc *s2, Image_Desc *d,
 				int sx, int sy, int ox, int oy, int zak)
 {
 int	foo, r, g, b;
@@ -176,8 +178,7 @@ return 0;
 *
 *	Tiens, le parametre 'yo' ne sert a rien ?
 */
-int
-Image_combine_cercle_flou(Image_Desc *s1, Image_Desc *s2, Image_Desc *d, int yo)
+int Image_combine_cercle_flou(Image_Desc *s1, Image_Desc *s2, Image_Desc *d, int yo)
 {
 int	foo;
 int	xcenter, ycenter;
@@ -240,19 +241,22 @@ return OLL_KORRECT;
 }
 /*::------------------------------------------------------------------::*/
 /*
- *	le flag 'yo' decide quelle image sera en haut à droite.
- *	les paramètres p1 & p2 ne sont pas utilisés.
+ *	le flag 'yo' decide quelle image sera en haut a droite.
+ *	les parametres p1 & p2 ne sont pas utilises.
 */
-int
-Image_combine_diagonale(Image_Desc *s1, Image_Desc *s2, Image_Desc *d,
+int Image_combine_diagonale(Image_Desc *s1, Image_Desc *s2, Image_Desc *d,
 				int yo, int p1, int p2)
 {
 int	foo;
 int	x, y, r, g, b;
 int	vertical, offset;

+if ( p1 || p2 ) {
+	fprintf(stderr, "%s: bad p1 %d or bad p2 %d\n", __func__, p1, p2);
+	}
+
 if ( (foo=Image_compare_desc(s1, s2)) ) {
-	fprintf(stderr, "Combine Diagonale: differents sources (%d)\n", foo);
+	fprintf(stderr, "%s: differents sources (%d)\n", __func__, foo);
 	return foo;
 	}

@@ -296,6 +300,7 @@ for (y=0; y<s1->height; y++) {
 	}
 /*
 * 30 sept 2008 : est-ce que cette fonction a subi un bon fuzzing ?
+ *  9 aout 2024 : non, pas encore ;)
 */
 return OLL_KORRECT;
 }
@@ -305,8 +310,7 @@ return OLL_KORRECT;
 	we put in the destination image the min/max value
 	of the RGB componants.
 */
-int
-Image_combine_minmax(Image_Desc *s1, Image_Desc *s2, Image_Desc *d, int flg)
+int Image_combine_minmax(Image_Desc *s1, Image_Desc *s2, Image_Desc *d, int flg)
 {
 int	foo, x, y, r, g, b;
 int	r1, r2, g1, g2, b1, b2;
@@ -349,11 +353,10 @@ return OLL_KORRECT;
 /*
 *   fonction faite pour le finisseur de DBvsEE
 *
- *	6 oct 2001: une version qui permettrait de spécifier les
+ *	6 oct 2001: une version qui permettrait de specifier les
 *		seuils en r,g et b serait assez pratique aussi.
 */
-int
-Image_combine_if_not_black(Image_Desc *s1, Image_Desc *s2, Image_Desc *d)
+int Image_combine_if_not_black(Image_Desc *s1, Image_Desc *s2, Image_Desc *d)
 {
 int	foo, x, y, r, g, b;

@@ -389,8 +392,7 @@ return FUNC_IS_BETA;		/* XXX c'est pas du OLL_KORRECT ? */
 /*
 *	gni ?
 */
-int	
-Image_poke_2zones(Image_Desc *src, Image_Desc *ia, Image_Desc *ib,
+int Image_poke_2zones(Image_Desc *src, Image_Desc *ia, Image_Desc *ib,
 				   Image_Rect *za, Image_Rect *zb,
 				  Image_Desc *dst)
 {
--- a/Lib/combine2.c
+++ b/Lib/combine2.c
@@ -14,8 +14,7 @@
 /*
      Le coefficient K va de 0 a 10000 !
 */
-int
-Image_mix(Image_Desc *a, Image_Desc *b, Image_Desc *c, int k)
+int Image_mix(Image_Desc *a, Image_Desc *b, Image_Desc *c, int k)
 {
 int     x, y;
 int     ra, rb, mk;
@@ -25,7 +24,7 @@ int	foo;
 if ( (foo=Image_compare_desc(a, b)) ||
     (foo=Image_compare_desc(a, c)) )
    {
-    fprintf(stderr, "Image mix: images differentes %s\n", Image_err2str(foo));
+    fprintf(stderr, "%s: images differentes %s\n", __func__, Image_err2str(foo));
    fprintf(stderr, "  a %dx%d b %dx%d c %dx%d\n", 
 				a->width, a->height,
 				b->width, b->height,
@@ -38,14 +37,12 @@ fprintf(stderr, "Mixing:  %p and %p to %p,  k=%d\n", a, b, c, k);
 #endif

 mk = 10000 - k;
-for (y=0; y<a->height; y++)
-    {
+for (y=0; y<a->height; y++) {
    pra = a->Rpix[y];   prb = b->Rpix[y];   prk = c->Rpix[y];
    pga = a->Gpix[y];   pgb = b->Gpix[y];   pgk = c->Gpix[y];
    pba = a->Bpix[y];   pbb = b->Bpix[y];   pbk = c->Bpix[y];

-    for (x=0; x<a->width; x++)
-        {
+    for (x=0; x<a->width; x++) {
        ra = pra[x];
        rb = prb[x];
        prk[x] = ((ra * k) + (rb * mk)) / 10000;
@@ -66,8 +63,7 @@ return 0;
 /*							new 6 nov 2001
      Les coefficients K[rgb] vont de 0 a 10000 !
 */
-int
-Image_mix_rgb(Image_Desc *a, Image_Desc *b, Image_Desc *c,
+int Image_mix_rgb(Image_Desc *a, Image_Desc *b, Image_Desc *c,
 						int kr, int kg, int kb)
 {
 int	foo, x, y;
--- a/Lib/combine3.c
+++ b/Lib/combine3.c
@@ -13,42 +13,35 @@
 /*
 *	un kludge en chantier. programmation à la 'Gruiik' en vue.
 */
-int
-Image_combine_waou(Image_Desc *s1, Image_Desc *s2, Image_Desc *dst,
+int Image_combine_waou(Image_Desc *s1, Image_Desc *s2, Image_Desc *dst,
 					int a, int b, int c, int d)
 {
 int	x, y, foo;

 #if DEBUG_LEVEL
-fprintf(stderr, "%s ( %p %p %p %d : %d %d (%d) )\n",
+fprintf(stderr, ">>> %s ( %p %p %p %d : %d %d (%d) )\n",
 			 __func__, s1, s2, dst, a, b, c, d);
 #endif

-if ( (foo=Image_compare_desc(s1, s2)) )
-    {
+if ( (foo=Image_compare_desc(s1, s2)) ) {
    fprintf(stderr, "%s : sources are differents %d\n", __func__, foo);
    return foo;
    }

-if ( (foo=Image_compare_desc(s1, dst)) )
-    {
+if ( (foo=Image_compare_desc(s1, dst)) ) {
    fprintf(stderr, "%s : destination bad dims %d\n", __func__, foo);
    return foo;
    }

-for (y=0; y<dst->height; y++)
-	{
-	for (x=0; x<dst->width; x++)
-		{
-		if (d)
-			{
+for (y=0; y<dst->height; y++) {
+	for (x=0; x<dst->width; x++) {
+		if (d)	{
 			/* canonical function */
 			(dst->Rpix[y])[x] = (x & (s1->Rpix[y])[x]) | a;
 			(dst->Gpix[y])[x] = x | b;
 			(dst->Bpix[y])[x] = (y & (s2->Rpix[y])[x]) | c;
 			}
-		else
-			{
+		else	{
 			/* new 9 mars 2010 - ave St Ex */
 			(dst->Rpix[y])[x] = (x & (s1->Rpix[y])[x]) ^ a;
 			(dst->Gpix[y])[x] = x ^ b;
@@ -63,8 +56,7 @@ return FUNC_IS_BETA;
 /*
 *	un kludge en chantier. programmation à la 'Gruiik' en vue.
 */ 
-int
-Image_combine_wauo(Image_Desc *s1, Image_Desc *s2, Image_Desc *dst,
+int Image_combine_wauo(Image_Desc *s1, Image_Desc *s2, Image_Desc *dst,
 						int flag)
 {
 int	x, y, foo;
@@ -72,31 +64,25 @@ int	x, y, foo;
 if ( flag )
 	fprintf(stderr, "Combine Wauo: flag = %d ?\n", flag);

-if ( (foo=Image_compare_desc(s1, s2)) )
-    {
+if ( (foo=Image_compare_desc(s1, s2)) ) {
    fprintf(stderr, "Combine Wauo: sources are differents %d\n", foo);
    return foo;
    }

-if ( (foo=Image_compare_desc(s1, dst)) )
-    {
+if ( (foo=Image_compare_desc(s1, dst)) ) {
    fprintf(stderr, "Combine Wauo: destination bad dims %d\n", foo);
    return foo;
    }

-for (y=1; y<dst->height-1; y++)
-	{
-	for (x=1; x<dst->width-1; x++)
-		{
+for (y=1; y<dst->height-1; y++) {
+	for (x=1; x<dst->width-1; x++) {
 		(dst->Rpix[y])[x] = (s1->Rpix[y][x] + s2->Rpix[y][x])/2;

-		if (s1->Rpix[y][x] > s2->Rpix[y][x])
-			{	
+		if (s1->Rpix[y][x] > s2->Rpix[y][x]) {	
 			(dst->Gpix[y])[x] = (s1->Gpix[y])[x];
 			(dst->Bpix[y])[x] = (s2->Bpix[y])[x];
 			}
-		else
-			{	
+		else	{	
 			(dst->Gpix[y])[x] = (s2->Gpix[y])[x];
 			(dst->Bpix[y])[x] = (s1->Bpix[y])[x];
 			}
@@ -109,31 +95,26 @@ return OLL_KORRECT;
 /*
 *   threshold values (sr, sg, sb) are in the pix range [0..255]
 */
-int
-Image_combine_seuils(Image_Desc *s1, Image_Desc *s2, Image_Desc *dst,
+int Image_combine_seuils(Image_Desc *s1, Image_Desc *s2, Image_Desc *dst,
 						int sr, int sb, int sg)
 {
 int	x, y, foo;
 int	r, g, b;

-if ( (foo=Image_compare_desc(s1, s2)) )
-    {
+if ( (foo=Image_compare_desc(s1, s2)) ) {
    fprintf(stderr, "Combine Seuils: sources are differents %d\n", foo);
    return foo;
    }

-if ( (foo=Image_compare_desc(s1, dst)) )
-    {
+if ( (foo=Image_compare_desc(s1, dst)) ) {
    fprintf(stderr, "Combine Seuils: destination bad dims %d\n", foo);
    return foo;
    }

 sr*=2;	sg*=2;	sb*=2;

-for (y=0; y<dst->height; y++)
-	{
-	for (x=0; x<dst->width; x++)
-		{
+for (y=0; y<dst->height; y++) {
+	for (x=0; x<dst->width; x++) {
 		if ( (s1->Rpix[y][x] + s2->Rpix[y][x]) > sr )
 			r = s1->Rpix[y][x];
 		else
--- a/Lib/combine6.c
+++ b/Lib/combine6.c
@@ -88,7 +88,7 @@ int Image_XOR(Image_Desc *s1, Image_Desc *s2, Image_Desc *d, int k)
 int		foo, x, y;

 #if DEBUG_LEVEL
-fprintf(stderr, "---> %s ( %p %p %p %d)\n", __func__, s1, s2, d, k);
+fprintf(stderr, ">>> %s ( %p %p %p %d)\n", __func__, s1, s2, d, k);
 #endif

 if ( (foo=Image_compare_desc(s1, s2)) )
--- a/Lib/contrast.c
+++ b/Lib/contrast.c
@@ -6,6 +6,67 @@
 #include  <math.h>
 #include  "../tthimage.h"

+
+/*::------------------------------------------------------------------::*/
+/*
+ *	new: Fri Sep 15 20:18:35 UTC 2023
+ *	inspired by the same func in FloatImg
+ */
+int Image_egalise_cos01(Image_Desc *source, Image_Desc *but, int k)
+{
+(void)k;				/* WARNING KILLER */
+int		lut[256], uc, idx, foo;
+float		fidx;
+
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p  %p  %d )\n", __func__,
+		source, but, k);
+#endif
+
+if ( (foo=Image_compare_desc(source, but)) ) {
+	fprintf(stderr, "%s: images not compatible, %d\n", __func__, foo);
+	return foo;
+	}
+for (idx=0; idx<256; idx++) {
+	fidx = (float)idx / 255.0;
+	uc = (unsigned char)(255.0*(0.5 - 0.5 * cos(3.141592654*fidx)));
+	lut[idx] = uc;
+	/* printf("%7d    %7d\n", idx, uc); */
+	}
+Image_LUT_mono(source, but, lut);
+
+return OLL_KORRECT;
+}
+/*::------------------------------------------------------------------::*/
+/*
+ *	new: Fri Sep 15 20:32:12 UTC 2023
+ *	inspired by the same func in FloatImg
+ */
+int Image_egalise_cos010(Image_Desc *source, Image_Desc *but, int k)
+{
+(void)k;				/* WARNING KILLER */
+int		lut[256], uc, idx, foo;
+float		fidx;
+
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p  %p  %d )\n", __func__,
+		source, but, k);
+#endif
+
+if ( (foo=Image_compare_desc(source, but)) ) {
+	fprintf(stderr, "%s: images not compatible, %d\n", __func__, foo);
+	return foo;
+	}
+for (idx=0; idx<256; idx++) {
+	fidx = (float)idx / 255.0;
+	uc = (unsigned char)(255.0*(0.5 - 0.5 * cos(3.141592654*fidx*2.0)));
+	lut[idx] = uc;
+	/* printf("%7d    %7d\n", idx, uc); */
+	}
+Image_LUT_mono(source, but, lut);
+
+return OLL_KORRECT;
+}
 /*::------------------------------------------------------------------::*/
 /*
 *	cette fonction peut etre utilisee avec la meme image
@@ -20,6 +81,10 @@ float	fr, fg, fb;
 fprintf(stderr, "%s : %p -> %p\n", __func__, source, but);
 #endif

+if (k)	{
+	fprintf(stderr, "In %s, k must be 0, was %d\n", __func__, k);
+	}
+
 if ( (foo=Image_compare_desc(source, but)) ) {
    fprintf(stderr, "%s : images are differents %d\n", __func__, foo);
    return foo;
@@ -55,6 +120,10 @@ float	fr, fg, fb;
 fprintf(stderr, "%s : %p -> %p\n", __func__, source, but);
 #endif

+if (k)	{
+	fprintf(stderr, "In %s, k must be 0, was %d\n", __func__, k);
+	}
+
 if ( (foo=Image_compare_desc(source, but)) ) {
    fprintf(stderr, "%s : images are differents %d\n", __func__, foo);
    return foo;
--- a/Lib/dither.c
+++ b/Lib/dither.c
@@ -12,11 +12,14 @@
 	en entree, on doit avoir une image RGB, sinon, "segfault"
 	le parametre 'uh' represente l'intensite de la couleur 'on'
 */
-int
-Image_dither_Bayer_0(Image_Desc *s, Image_Desc *d, int uh)
+int Image_dither_Bayer_0(Image_Desc *s, Image_Desc *d, int uh)
 {
 int	dx, dy, x, y, r, g, b;

+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %p %d )\n", __func__, s, d, uh);
+#endif
+
 /* directement copie de la page 389 de "Bitmapped graphics" de
  			Steve Rimmer. */

@@ -57,18 +60,19 @@ return OLL_KORRECT;
 *	19 Juin 2000:   dithering on a 2x2 matrice.
 *	15 Nov  2001:   'uh' parameter is _now_ working ;-}
 */
-int
-Image_dither_crude(Image_Desc *s, Image_Desc *d, int uh)
+int Image_dither_crude(Image_Desc *s, Image_Desc *d, int uh)
 {
 int	x, y, r, g, b;
 int	som;

-Image_clear(d, 0, 0, 0);
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %p %d )\n", __func__, s, d, uh);
+#endif

-for (x=0; x<(s->width-1); x+=2)
-	{
-	for (y=0; y<(s->height-1); y+=2)
-		{
+if (s != d) Image_clear(d, 0, 0, 0);
+
+for (x=0; x<(s->width-1); x+=2) {
+	for (y=0; y<(s->height-1); y+=2) {
 		r = g = b = 0;
 		r += Image_R_pixel(s, x, y);
 		r += Image_R_pixel(s, x+1, y);
@@ -96,14 +100,8 @@ for (x=0; x<(s->width-1); x+=2)

 		som = r + g + b;
 		
-		if (som < 2048)
-			{
-			Image_plotRGB(d, x+1, y+1, 0, 0, 0);
-			}
-		else
-			{
-			Image_plotRGB(d, x+1, y+1, uh, uh, uh);
-			}
+		if (som < 2048)	Image_plotRGB(d, x+1, y+1, 0, 0, 0);
+		else		Image_plotRGB(d, x+1, y+1, uh, uh, uh);
 		}
 	}

@@ -111,27 +109,28 @@ return OLL_KORRECT;
 }
 /*::------------------------------------------------------------------::*/
 /*
- *	ça ne marche pas très fort, ce truc...
+ *	Il ne marche pas tres fort, ce truc...
 */
-int
-Image_dither_2x2(Image_Desc *s, Image_Desc *d, int uh)
+int Image_dither_2x2(Image_Desc *s, Image_Desc *d, int uh)
 {
 int	x, y, xm, ym;
 int	r, g, b, v;

+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %p %d )\n", __func__, s, d, uh);
+#endif
+
 x = s->width;		xm = (x&1) ? (x-1) : x;
 y = s->height;		ym = (y&1) ? (y-1) : y;

-Image_clear(d, 0, 0, 0);
+if (s != d) Image_clear(d, 0, 0, 0);

 #if DEBUG_LEVEL
 fprintf(stderr, "dither 2x2:  %d  %d  %d  %d\n", x, xm, y, ym);
 #endif

-for (x=0; x<xm; x+=2)
-	{
-	for (y=0; y<ym; y+=2)
-		{
+for (x=0; x<xm; x+=2) {
+	for (y=0; y<ym; y+=2) {
 		/*
 		 *	bon sang, mais que faire ici ?
 		 */
@@ -155,24 +154,24 @@ for (x=0; x<xm; x+=2)
 return FUNC_IS_ALPHA;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_dither_seuil_random(Image_Desc *s, Image_Desc *d, int uh)
+int Image_dither_seuil_random(Image_Desc *s, Image_Desc *d, int uh)
 {
 int	x, y, r, g, b;
 int	foo;

-if ( (foo=Image_compare_desc(s, d)) )
-    {
-    fprintf(stderr, "dither seuil random: images are differents %d\n", foo);
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %p %d )\n", __func__, s, d, uh);
+#endif
+
+if ( (foo=Image_compare_desc(s, d)) ) {
+    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
    return foo;
    }

-Image_clear(d, 0, 0, 0);
+if (s != d) Image_clear(d, 0, 0, 0);

-for (y=0; y<s->height; y++)
-	{
-	for (x=0; x<s->width; x++)
-		{
+for (y=0; y<s->height; y++) {
+	for (x=0; x<s->width; x++) {
 		if (s->Rpix[y][x] < rand() % 256)	r = 0;
 		else					r = uh;

@@ -195,35 +194,33 @@ return OLL_KORRECT;
 *
 *	subtle bug: uh _must_ be 255 ?
 */
-int
-Image_dither_simple_error(Image_Desc *s, Image_Desc *d, int uh)
+int Image_dither_simple_error(Image_Desc *s, Image_Desc *d, int uh)
 {
 int	x, y, xa, xb, inc, errR, errG, errB;
 int	r, g, b, dr, dg, db;
 int	foo;

-if ( (foo=Image_compare_desc(s, d)) )
-    {
-    fprintf(stderr, "dither simple error: images are differents %d\n", foo);
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %p %d )\n", __func__, s, d, uh);
+#endif
+
+if ( (foo=Image_compare_desc(s, d)) ) {
+    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
    return foo;
    }

-Image_clear(d, 0, 0, 0);
+if (s != d) Image_clear(d, 0, 0, 0);
 errR = errG = errB = 0;

-for (y=0; y<s->height; y++)
-	{
-	if (y & 1)
-		{
+for (y=0; y<s->height; y++) {
+	if (y & 1) {
 		xa = 0;		xb = s->width - 1;	inc = 1;
 		}
-	else
-		{
+	else	{
 		xa = s->width - 1;	xb = 0;		inc = -1;
 		}

-	for (x=xa; x!=xb; x+=inc)
-		{
+	for (x=xa; x!=xb; x+=inc) {
 		r = (s->Rpix[y])[x];
 		if ( (r + errR) > 127 )		dr = uh;
 		else				dr = 0;
@@ -253,26 +250,21 @@ return OLL_KORRECT;
 *	29 Jan 2002: may be I can buid a func for automagically
 *		computing of right values ?
 */
-int
-Image_dither_double_seuil(Image_Desc *s, Image_Desc *d, int sa, int sb, int uh)
+int Image_dither_double_seuil(Image_Desc *s, Image_Desc *d, int sa, int sb, int uh)
 {
 int	x, y, r, g, b, foo;

-if ( (foo=Image_compare_desc(s, d)) )
-    {
+if ( (foo=Image_compare_desc(s, d)) ) {
    fprintf(stderr, "dither double seuil: images are differents %d\n", foo);
    return foo;
    }

-if ( sa >= sb )
-	{
+if ( sa >= sb )	{
 	fprintf(stderr, "dither double seuil: lo %d > hi %d !\n", sa, sb);
 	}

-for (y=0; y<s->height; y++)
-	{
-	for (x=0; x<s->width; x++)
-		{
+for (y=0; y<s->height; y++) {
+	for (x=0; x<s->width; x++) {
 		r = (s->Rpix[y])[x];
 		if (r < sa)		r = 0;
 		else if (r > sb)	r = uh;
--- a/Lib/dither2.c
+++ b/Lib/dither2.c
@@ -42,7 +42,7 @@ if ( (foo=Image_compare_desc(s, d)) )
 Image_TGA_save("/tmp/aaaa_debug_a.tga", s, 0);
 #endif

-Image_clear(d, 0, 0, 0);
+/* XXX Image_clear(d, 0, 0, 0); */

 for (y=0; y<s->height-3; y+=3)
 	{
@@ -108,7 +108,7 @@ if ( (foo=Image_compare_desc(s, d)) )
 fprintf(stderr, "* Image_dither_3x3_1 (%s) is experimental\n", __FILE__);
 #endif

-Image_clear(d, 0, 0, 0);
+/* XXX Image_clear(d, 0, 0, 0); */

 for (y=0; y<s->height-3; y+=3)
 	{
@@ -167,7 +167,7 @@ if ( (foo=Image_compare_desc(s, d)) )
    return foo;
    }

-Image_clear(d, 0, 0, 0);
+/* XXX Image_clear(d, 0, 0, 0); */

 return FUNC_NOT_FINISH;
 }
@@ -183,7 +183,7 @@ if ( (foo=Image_compare_desc(s, d)) )
    return foo;
    }

-Image_clear(d, 0, 0, 0);
+/* XXX Image_clear(d, 0, 0, 0); */

 return FUNC_NOT_FINISH;
 }
--- a/Lib/dither3.c
+++ b/Lib/dither3.c
@@ -8,8 +8,7 @@
 #include  "../tthimage.h"

 /*::------------------------------------------------------------------::*/
-int
-Image_dither_atkinson(Image_Desc *s, Image_Desc *d, int uh)
+int Image_dither_atkinson(Image_Desc *s, Image_Desc *d, int uh)
 {
 int	x, y, r, g, b;
 int	foo, sr, sg, sb;
@@ -24,10 +23,8 @@ if ( (foo=Image_compare_desc(s, d)) )
 Image_clear(d, 0, 0, 0);
 r = g = b = sr = sg = sb = 0; 

-for (y=0; y<s->height; y++)
-	{
-	for (x=0; x<s->width; x++)
-		{
+for (y=0; y<s->height; y++) {
+	for (x=0; x<s->width; x++) {

 		}
 	}
@@ -35,3 +32,77 @@ for (y=0; y<s->height; y++)
 return FUNC_NOT_FINISH;
 }
 /*::------------------------------------------------------------------::*/
+/*::------------------------------------------------------------------::*/
+int Image_dither_4x4_0(Image_Desc *s, Image_Desc *d, int uh)
+{
+int	x, y, r, g, b;
+int	foo, sr, sg, sb;
+
+fprintf(stderr, "* Image_dither_4x4_0 (%s) is experimental\n", __FILE__);
+fprintf(stderr, "* Image_dither_4x4_0 le parametre est %d\n", uh);
+
+if ( (foo=Image_compare_desc(s, d)) ) {
+    fprintf(stderr, "dither 4x4 0: images are differents %d\n", foo);
+    return foo;
+    }
+
+Image_clear(d, 0, 0, 0);
+
+for (y=0; y<s->height; y++) {
+	for (x=0; x<s->width; x++) {
+
+		/*     XXX */
+
+		}
+	}
+
+return FUNC_NOT_FINISH;
+}
+/*::------------------------------------------------------------------::*/
+int Image_dither_bayer8x8rnd(Image_Desc *s, Image_Desc *d, int shuff, int mono)
+{
+uint16_t		matrice[16][16];
+int		foo, itmp, m, n;
+int		x, y, r, g, b, pix;
+
+fprintf(stderr, "%s ( %p %p %d %d )\n", __func__, s, d, shuff, mono);
+
+/* remplissage de la matrice */
+fprintf(stderr, "   init matrice\n");
+for(foo=0; foo<256; foo++) {
+	((uint16_t *)matrice)[foo] = foo;
+	}
+/* brasssage de la matrice */
+fprintf(stderr, "   shuffle matrice %d\n", shuff);
+for (foo=0; foo<shuff; foo++) {		/* magic number ? */
+	m = rand() & 0xff;
+	n = rand() & 0xff;
+	itmp = ((uint16_t *)matrice)[n];
+	((uint16_t *)matrice)[n] = ((uint16_t *)matrice)[m];
+	((uint16_t *)matrice)[m] = itmp;
+	}
+
+for (y=0; y<s->height; y++) {
+	for (x=0; x<s->width; x++) {
+		r = s->Rpix[y][x];
+		g = s->Gpix[y][x];
+		b = s->Bpix[y][x];
+		if (mono) {
+			pix = (r + g +b) / 3;
+			d->Rpix[y][x] = d->Gpix[y][x] = d->Bpix[y][x] = \
+					(pix > matrice[x%16][y%16]) * 255;
+			}
+		else	{
+			d->Rpix[y][x] =  (r > matrice[x%16][y%16]) * 255;
+			d->Gpix[y][x] =  (g > matrice[x%16][y%16]) * 255;
+			d->Bpix[y][x] =  (b > matrice[x%16][y%16]) * 255;
+			}
+		}
+	}
+
+fprintf(stderr, "   done\n");
+
+return FULL_NUCKED;
+}
+/*::------------------------------------------------------------------::*/
+
--- a/Lib/dither4.c
+++ b/Lib/dither4.c
@@ -1,91 +0,0 @@
-/*
-		dither4.c
-		---------
-*/
-
-#include  <stdio.h>
-#include  <stdlib.h>
-#include  "../tthimage.h"
-
-/*::------------------------------------------------------------------::*/
-int
-Image_dither_4x4_0(Image_Desc *s, Image_Desc *d, int uh)
-{
-int	x, y, r, g, b;
-int	foo, sr, sg, sb;
-
-fprintf(stderr, "* Image_dither_4x4_0 (%s) is experimental\n", __FILE__);
-fprintf(stderr, "* Image_dither_4x4_0 le parametre est %d\n", uh);
-
-if ( (foo=Image_compare_desc(s, d)) )
-    {
-    fprintf(stderr, "dither 4x4 0: images are differents %d\n", foo);
-    return foo;
-    }
-
-Image_clear(d, 0, 0, 0);
-
-for (y=0; y<s->height; y++)
-	{
-	for (x=0; x<s->width; x++)
-		{
-
-		}
-	}
-
-return FUNC_NOT_FINISH;
-}
-/*::------------------------------------------------------------------::*/
-int
-Image_dither_bayer8x8rnd(Image_Desc *s, Image_Desc *d, int shuff, int mono)
-{
-uint16_t		matrice[16][16];
-int		foo, itmp, m, n;
-int		x, y, r, g, b, pix;
-
-fprintf(stderr, "%s ( %p %p %d %d )\n", __func__, s, d, shuff, mono);
-
-/* remplissage de la matrice */
-fprintf(stderr, "   init matrice\n");
-for(foo=0; foo<256; foo++)
-	{
-	((uint16_t *)matrice)[foo] = foo;
-	}
-/* brasssage de la matrice */
-fprintf(stderr, "   shuffle matrice %d\n", shuff);
-for (foo=0; foo<shuff; foo++)		/* magic number ? */
-	{
-	m = rand() & 0xff;
-	n = rand() & 0xff;
-	itmp = ((uint16_t *)matrice)[n];
-	((uint16_t *)matrice)[n] = ((uint16_t *)matrice)[m];
-	((uint16_t *)matrice)[m] = itmp;
-	}
-
-for (y=0; y<s->height; y++)
-	{
-	for (x=0; x<s->width; x++)
-		{
-		r = s->Rpix[y][x];
-		g = s->Gpix[y][x];
-		b = s->Bpix[y][x];
-		if (mono)
-			{
-			pix = (r + g +b) / 3;
-			d->Rpix[y][x] = d->Gpix[y][x] = d->Bpix[y][x] = \
-					(pix > matrice[x%16][y%16]) * 255;
-			}
-		else
-			{
-			d->Rpix[y][x] =  (r > matrice[x%16][y%16]) * 255;
-			d->Gpix[y][x] =  (g > matrice[x%16][y%16]) * 255;
-			d->Bpix[y][x] =  (b > matrice[x%16][y%16]) * 255;
-			}
-		}
-	}
-
-fprintf(stderr, "   done\n");
-
-return FULL_NUCKED;
-}
-/*::------------------------------------------------------------------::*/
--- a/Lib/drawalpha.c
+++ b/Lib/drawalpha.c
@@ -19,8 +19,7 @@
 /*
 *	the easy one.
 */
-int
-Image_paint_A_rect(Image_Desc *img, Image_Rect *rect, RGBA *rgba)
+int Image_paint_A_rect(Image_Desc *img, Image_Rect *rect, RGBA *rgba)
 {
 int	xd, yd, xf, yf, x, y;
 int	r, g, b, a0, a1, nbre;
@@ -42,10 +41,8 @@ a1 = rgba->a;

 nbre = 0;

-for (x=xd; x<xf; x++)
-	{
-	for (y=yd; y<yf; y++)
-		{
+for (x=xd; x<xf; x++) {
+	for (y=yd; y<yf; y++) {
 		Image_getRGB(img, x, y, &r, &g, &b);
 		/*
 		 * ok, compute now...
@@ -58,18 +55,15 @@ for (x=xd; x<xf; x++)
 		}
 	}

-/* fprintf(stderr, "%d points traités\n", nbre); */
-
 return FUNC_IS_BETA;
 }
 /*::------------------------------------------------------------------::*/
 /*
 *	new 15 Janvier 2003.
- *	première utilisation: l'écriture des titres des 
+ *	premiere utilisation: l'ecriture des titres des 
 *		image de l'expovsition.
 */
-int
-Image_fade_A_rect(Image_Desc *img, Image_Rect *rect, int alpha)
+int Image_fade_A_rect(Image_Desc *img, Image_Rect *rect, int alpha)
 {
 int	xd, yd, xf, yf, x, y;
 int	r, g, b ;
@@ -85,10 +79,8 @@ fprintf(stderr, "Fade Alpha Rect:  %d < X < %d     %d < Y < %d\n",
 fprintf(stderr, "  coefficient alpha = %d\n", alpha);
 #endif

-for (x=xd; x<xf; x++)
-	{
-	for (y=yd; y<yf; y++)
-		{
+for (x=xd; x<xf; x++) {
+	for (y=yd; y<yf; y++) {
 		Image_getRGB(img, x, y, &r, &g, &b);
 		/*
 		 * ok, compute now...
@@ -108,34 +100,29 @@ return FUNC_IS_BETA;		/* need unit testing */
 * bon, une fonction pour tamponner une image quelconque avec une
 * image alpha, il serait temps de la mettre en place, nom ?
 */
-int
-Image_tampon_alpha_0(Image_Desc *src, Image_Desc *tampon, Image_Desc *dst)
+int Image_tampon_alpha_0(Image_Desc *src, Image_Desc *tampon, Image_Desc *dst)
 {
 int	x, y, rs, gs, bs, rt, gt, bt;
 int	rd, gd, bd, clean_tampon;

 clean_tampon = 0;
 /* if the 'tampon' is not defined, we have to imagine one */
-if (NULL==tampon)
-	{
+if (NULL==tampon) {
 	tampon = Image_clone(src, 0);
 	fprintf(stderr, "fake tampon @ %p\n", tampon);
 	Image_mirror(src, tampon, 0);
 	clean_tampon = 1;
 	}

-for (y=0; y<src->height; y++)
-	{
-	for (x=0; x<src->width; x++)
-		{
+for (y=0; y<src->height; y++) {
+	for (x=0; x<src->width; x++) {
 		Image_getRGB(src, x, y, &rs, &gs, &bs);
 		Image_getRGB(tampon, x, y, &rt, &gt, &bt);
 		rd = (rs * rt) / 256;
 		}
 	}

-if (clean_tampon)
-	{
+if (clean_tampon) {
 	fprintf(stderr, "clean %p in %s\n", tampon, __func__);
 	Image_DeAllocate(tampon);	free(tampon);
 	}
--- a/Lib/drawing.c
+++ b/Lib/drawing.c
@@ -14,8 +14,7 @@
 #define max(a,b) ((a)>(b)?(a):(b))
 #endif
 /*::------------------------------------------------------------------::*/
-static int
-iSign(int a)
+static int iSign(int a)
 {
 if (a<0)	return -1;
 if (a>0)	return 1;
@@ -35,9 +34,8 @@ Image_plotRGB(i, x+xc, y+yc, 100, 100, 100);
 fprintf(stderr, "sym %d %d\n", x, y);
 }

-/* le paramètre 'wrap' ne sert à rien */
-int
-Image_draw_circle(Image_Desc *i, int xc, int yc, int rayon, RGBA *q, int wrap)
+/* le parametre 'wrap' ne sert a rien */
+int Image_draw_circle(Image_Desc *i, int xc, int yc, int rayon, RGBA *q, int wrap)
 {
 int	x, y, d;

@@ -48,16 +46,13 @@ fprintf(stderr, "%s : centre %d %d, rayon %d\n", __func__, xc, yc, rayon);
 y = rayon;
 d = 3 - 2 * rayon;

-for ( x=0; x<y; )
-	{
+for ( x=0; x<y; ) {
 	symmetry(x, y, xc, yc, q, i);

-	if (d<0)
-		{
+	if (d<0) {
 		d += 4 * x + 6;
 		}
-	else
-		{
+	else	{
 		d += 4 * (y - x) * 10;
 		--y;
 		}
@@ -67,19 +62,35 @@ for ( x=0; x<y; )
 return FUNC_NOT_FINISH;
 }
 /*::------------------------------------------------------------------::*/
+/*		New Mon 19 Dec 2022 12:56:44 PM CET			*/
+int Image_H_line(Image_Desc *i, int xa, int xb, int ypos, RGBA *col)
+{
+int		ix;
+
+#if 1
+fprintf(stderr, ">>> %s ( %d %d  %d  %p )\n", __func__, xa, xb, ypos, col);
+#endif
+
+if (xa > xb)	{ ix=xa, xa=xb, xb=ix; }
+
+for (ix=xa; ix<xb; ix++) {
+	Image_plotRGB(i, ix, ypos, col->r, col->g, col->b);
+	}
+return FUNC_IS_BETA;
+}
+/*::------------------------------------------------------------------::*/
 /*
 *	l'appel a la fonction isign devrait disparaitre pour optimiser
 *	la vitesse du bouzin.
 */
-int
-Image_draw_line(Image_Desc *i, int x1, int y1, int x2, int y2, RGBA *q)
+int Image_draw_line(Image_Desc *i, int x1, int y1, int x2, int y2, RGBA *q)
 {
 int	dx, dy, ix, iy, inc;
 int	foo, plotx, ploty, x, y;
 int	plot;

-#if DEBUG_LEVEL > 1
-printf("%s   %4d  %4d   ----->   %4d  %4d\n", __func__, x1, y1, x2, y2);
+#if DEBUG_LEVEL
+printf(">>> %s ( %p  %4d %4d   %4d %4d\n", __func__, i, x1, y1, x2, y2);
 #endif

 dx = x2 - x1;		dy = y2 - y1;
@@ -94,39 +105,33 @@ plotx = x1;
 ploty = y1;
 x = y = 0;

-for (foo=0; foo<=inc; ++foo)
-	{
+for (foo=0; foo<=inc; ++foo) {
 	x += ix;
 	y += iy;
 	plot = 0;
-	if (x > inc)
-		{
+	if (x > inc) {
 		plot = 42;
 		x -= inc;
 		plotx += iSign(dx);
 		}
-	if (y > inc)
-		{
+	if (y > inc) {
 		plot = 42;
 		y -= inc;
 		ploty += iSign(dy);
 		}
-	if (plot)
-		{
+	if (plot) {
 		/* printf("%5d %5d %5d\n", foo, plotx, ploty ); */
 		Image_plotRGB(i, plotx, ploty, q->r, q->g, q->b);
 		}
-
 	}
 return 0;
 }
 /*::------------------------------------------------------------------::*/
 /*
- *	XXX si je veux remplacer 'plotRGB' par un accès direct
+ *	XXX si je veux remplacer 'plotRGB' par un acces direct
 *	XXX dans les buffers, il faut soigner les controles
 */
-int
-Image_paint_rect(Image_Desc *img, Image_Rect *rect, int r, int g, int b)
+int Image_paint_rect(Image_Desc *img, Image_Rect *rect, int r, int g, int b)
 {
 int	xd, yd, xf, yf, x, y;

@@ -140,9 +145,10 @@ yd = max(0, rect->y);
 xf = min((img->width), (rect->x+rect->w));
 yf = min((img->height), (rect->y+rect->h));
 /* 
- *  24 Juin 2002: est-ce que le code ci-dessus a été sérieusement validé ?
+ *  24 Juin 2002: est-ce que le code ci-dessus est vraiment valide ?
 *  24 Avril 2008: NON !
 *  26 janvier 2014 : toujours non...
+ *  19 septembre 2022 : je n'ai pas de certitude a ce sujet
 */

 #if DEBUG_LEVEL > 2
@@ -150,10 +156,8 @@ fprintf(stderr, "Paint Rect:   %4d < X < %4d      %4d < Y < %4d\n",
 				xd, xf,		yd, yf);
 #endif

-for (x=xd; x<xf; x++)
-	{
-	for (y=yd; y<yf; y++)
-		{
+for (x=xd; x<xf; x++) {
+	for (y=yd; y<yf; y++) {
 		/* Image_plotRGB(img, x, y, r, g, b); */
 		(img->Rpix[y])[x] = r;
 		(img->Gpix[y])[x] = g;
@@ -167,9 +171,12 @@ return 0;
 /*
 *	27 Juin 2001: there was an off-by-one error in this func...
 *	See also 'drawpatt.c' for others things.
+
+	###
+	###   THERE IS A OFF-BY-ONE IN THIS FUNCTION !
+	###
 */
-int
-Image_draw_rect(Image_Desc *img, Image_Rect *rect, int r, int g, int b)
+int Image_draw_rect(Image_Desc *img, Image_Rect *rect, int r, int g, int b)
 {
 int	foo;
 int	xd, yd, xf, yf;
@@ -185,16 +192,14 @@ fprintf(stderr, "Draw a Rect:   xd:%4d  yd:%4d      xf:%4d  yf:%4d\n",
 				xd, yd,		 xf, yf);
 #endif

-for (foo=xd; foo<xf; foo++)
-	{
+for (foo=xd; foo<xf; foo++) {
 	/* if ( (rect->y >= 0) && (rect->y < img->height) ) */
 		Image_plotRGB(img, foo, rect->y, r, g, b);
 	/* if ( (rect->y+rect->h >= 0) && (rect->y+rect->h < img->height) ) */
 		Image_plotRGB(img, foo, rect->y+rect->h-1, r, g, b);
 	}

-for (foo=yd; foo<yf; foo++)
-	{
+for (foo=yd; foo<yf; foo++) {
 	/* if ( (rect->x >= 0) && (rect->x < img->width) ) */
 		Image_plotRGB(img, rect->x, foo, r, g, b);
 	/* if ( (rect->x+rect->w >= 0) && (rect->x+rect->w < img->width) ) */
@@ -205,8 +210,7 @@ return 0;
 }
 /*::------------------------------------------------------------------::*/
 /* new 10 octobre 2008 - zone de Monredon (Betatech) */
-int
-Image_noise_rect(Image_Desc *img, Image_Rect *rect, int r, int g, int b)
+int Image_noise_rect(Image_Desc *img, Image_Rect *rect, int r, int g, int b)
 {
 int	xd, yd, xf, yf, x, y;

@@ -221,10 +225,8 @@ yf = min((img->height-1), (rect->y+rect->h));
 fprintf(stderr, "%s:   %d %d %d %d\n", __func__, xd, yd, xf, yf);
 #endif

-for (x=xd; x<xf; x++)
-	{
-	for (y=yd; y<yf; y++)
-		{
+for (x=xd; x<xf; x++) {
+	for (y=yd; y<yf; y++) {
 		(img->Rpix[y])[x] = rand() % r;
 		(img->Gpix[y])[x] = rand() % g;
 		(img->Bpix[y])[x] = rand() % b;
@@ -237,4 +239,3 @@ return FUNC_IS_BETA;
 /* 
 * kikoo lol a tous les goret-codeurs, et en particulier Mr Spleyt.
 */
-
--- a/Lib/effects.c
+++ b/Lib/effects.c
@@ -32,20 +32,17 @@ int     x, y, nx, ny, r, g, b, foo;
 int	 retry;
 #endif

-if ( (foo=Image_compare_desc(source, but)) )
-    {
+if ( (foo=Image_compare_desc(source, but)) ) {
    fprintf(stderr, "%s : images are differents %d\n", __func__, foo);
    return foo;
    }

-if (intensite < 1)
-    {
+if (intensite < 1) {
    fprintf(stderr, "%s : bad intensity %d\n", __func__, intensite);
    intensite = 1;
    }

-if (source == but)
-    {
+if (source == but) {
    fprintf(stderr, "%s : Source & Target are the same image, bad effect expected...\n", __func__ );
    }

@@ -53,13 +50,10 @@ if (source == but)
 retry = 0;
 #endif

-for (x=0; x<source->width; x++)
-    {
-    for (y=0; y<source->height; y++)
-        {
+for (x=0; x<source->width; x++) {
+    for (y=0; y<source->height; y++) {
 	foo = -1;
-	do
-	    {
+	do  {
      	    nx = x+(rand()%intensite)-(intensite/2);
            ny = y+(rand()%intensite)-(intensite/2);
 	    foo++;
@@ -135,54 +129,46 @@ return OLL_KORRECT;
 	j'ai rapidement besoin de cette fonction alors je code
 	a la rache :-[  (on appelle aussi c,a le codage 123momo)
 */
-int
-Image_mirror(Image_Desc *src, Image_Desc *dst, int reserved)
+int Image_mirror(Image_Desc *src, Image_Desc *dst, int reserved)
 {
 register int	x;
 uint8_t		*buffer;
 int		foo, largeur, y;

 if (reserved != 0)
-	fprintf(stderr, "Image_Mirror: reserved must be zero !\n");
+	fprintf(stderr, "%s: reserved must be zero !\n", __func__);

-if ( (foo=Image_compare_desc(src, dst)) )
-    {
-    fprintf(stderr, "Image_Mirror: images are differents %d\n", foo);
+if ( (foo=Image_compare_desc(src, dst)) ) {
+    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
    return foo;
    }
 largeur = src->width;

-if ((buffer = (uint8_t *)malloc(largeur)) == NULL)
-	{
-	fprintf(stderr, "Image_Mirror: no memory for buffer");
+if ((buffer = (uint8_t *)malloc(largeur)) == NULL) {
+	fprintf(stderr, "%s: no memory for buffer\n", __func__);
 	return BUFFER_NO_MEM;
 	}

-for (y=0; y<src->height; y++)
-	{
-	if (src->Rpix != NULL)
-		{
+for (y=0; y<src->height; y++) {
+	if (src->Rpix != NULL) {
 		for (x=0; x<largeur; x++)
 			buffer[x] = (src->Rpix[y])[x];
 		for (x=0; x<largeur; x++)
 			(dst->Rpix[y])[x] = buffer[largeur-x-1];
 		}
-	if (src->Gpix != NULL)
-		{
+	if (src->Gpix != NULL) {
 		for (x=0; x<largeur; x++)
 			buffer[x] = (src->Gpix[y])[x];
 		for (x=0; x<largeur; x++)
 			(dst->Gpix[y])[x] = buffer[largeur-x-1];
 		}
-	if (src->Bpix != NULL)
-		{
+	if (src->Bpix != NULL) {
 		for (x=0; x<largeur; x++)
 			buffer[x] = (src->Bpix[y])[x];
 		for (x=0; x<largeur; x++)
 			(dst->Bpix[y])[x] = buffer[largeur-x-1];
 		}
-	if (src->Apix != NULL)
-		{
+	if (src->Apix != NULL) {
 		for (x=0; x<largeur; x++)
 			buffer[x] = (src->Apix[y])[x];
 		for (x=0; x<largeur; x++)
@@ -202,19 +188,16 @@ Image_upside_down(Image_Desc *src, Image_Desc *dst, int reserved)
 {
 int		foo, y;

-if ( (foo=Image_compare_desc(src, dst)) )
-    {
-    fprintf(stderr, "Image_UpsideDown: images are differents %d\n", foo);
+if ( (foo=Image_compare_desc(src, dst)) ) {
+    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
    return foo;
    }

-if (0 != reserved)
-	{
+if (0 != reserved) {
 	fprintf(stderr, "%s gni ?\n", __func__);
 	}

-for (y=0; y<src->height; y++)
-	{
+for (y=0; y<src->height; y++) {
        memcpy(dst->Rpix[y], src->Rpix[src->height-(y+1)], src->width);
        memcpy(dst->Gpix[y], src->Gpix[src->height-(y+1)], src->width);
        memcpy(dst->Bpix[y], src->Bpix[src->height-(y+1)], src->width);
@@ -240,8 +223,7 @@ fprintf(stderr, "Scratching %ld times %p to %p\n", nombre, source, but);

 Image_copy(source, but);

-while (nombre--)
-    {
+while (nombre--) {
    xs = rand() % source->width;
    ys = rand() % source->height;
    xd = rand() % source->width;
@@ -261,21 +243,18 @@ Image_swap_lines( Image_Desc *src, Image_Desc * dst )
 {
 int	foo, line;

-if (src == dst)
-    {
-    fprintf(stderr, "Image swap lines: SRC & DST must be different\n");
+if (src == dst) {
+    fprintf(stderr, "%s: SRC & DST must be different\n", __func__);
    return IMG_OVERWRITE;
    }

-if ( (foo=Image_compare_desc(src, dst)) )
-    {
-    fprintf(stderr, "Image swap lines: images have differents sizes. %d\n",
-								foo);
+if ( (foo=Image_compare_desc(src, dst)) ) {
+    fprintf(stderr, "%s: images have differents sizes. %d\n",
+			__func__,			foo);
    return foo;
    }

-for (line=0; line<(src->height-1); line+=2)
-	{
+for (line=0; line<(src->height-1); line+=2) {
        memcpy(dst->Rpix[line+1], src->Rpix[line], src->width);
        memcpy(dst->Rpix[line], src->Rpix[line+1], src->width);
        memcpy(dst->Gpix[line+1], src->Gpix[line], src->width);
@@ -294,15 +273,13 @@ Image_swap_cols( Image_Desc *src, Image_Desc * dst )
 {
 int	foo, line, col, tmp, wmax;

-if (src == dst)
-    {
-    fprintf(stderr, "Image_SwapCols: SRC & DST must be different\n");
+if (src == dst) {
+    fprintf(stderr, "%s: SRC & DST must be different\n", __func__);
    return IMG_OVERWRITE;
    }

-if ( (foo=Image_compare_desc(src, dst)) )
-    {
-    fprintf(stderr, "Image_SwapCols: images are differents %d\n", foo);
+if ( (foo=Image_compare_desc(src, dst)) ) {
+    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
    return foo;
    }

@@ -312,10 +289,8 @@ else
 	wmax = src->width;
 fprintf(stderr, "swap cols %d %d\n", src->width, wmax);

-for (line=0; line<src->height; line++)
-    {
-    for (col=0; col<wmax; col+=2)
-	{
+for (line=0; line<src->height; line++) {
+    for (col=0; col<wmax; col+=2) {
 	tmp			= src->Rpix[line][col];
 	dst->Rpix[line][col]  	= src->Rpix[line][col+1];
 	dst->Rpix[line][col+1]	= tmp;
@@ -343,16 +318,13 @@ Image_swap_nibbles( Image_Desc *src, Image_Desc * dst )
 int	foo;
 int	x, y;

-if ( (foo=Image_compare_desc(src, dst)) )
-    {
+if ( (foo=Image_compare_desc(src, dst)) ) {
    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
    return foo;
    }

-for (x=0; x<src->width; x++)
-    {
-    for (y=0; y<src->height; y++)
-	{
+for (x=0; x<src->width; x++) {
+    for (y=0; y<src->height; y++) {
 	dst->Rpix[y][x] = ((src->Rpix[y][x] & 0xf0) >> 4) |
 			  ((src->Rpix[y][x] & 0x0f) << 4);

--- a/Lib/effects2.c
+++ b/Lib/effects2.c
@@ -19,8 +19,7 @@
 *	la parametre 'table' est un tableau de 6 double. d'accord, 
 *	mais quel est donc son contenu ?
 */
-int
-Image_sinwave_0( Image_Desc *source, Image_Desc * but, double *table )
+int Image_sinwave_0( Image_Desc *source, Image_Desc * but, double *table )
 {
 #if DEBUG_LEVEL > 1
 int	foo;
@@ -41,18 +40,15 @@ for (foo=0; foo<6; foo++)
 cx = (2.0 * M_PI) / (double)source->width;
 cy = (2.0 * M_PI) / (double)source->height;

-for (x=0; x<source->width; x++)
-    {
+for (x=0; x<source->width; x++) {
    fx = (double)x + (table[1] * sin(table[4] + (cx * table[0] * (double)x)));
    xb = floor(fx + 0.5);

-    for (y=0; y<source->height; y++)
-        {
+    for (y=0; y<source->height; y++) {
        fy = (double)y + (table[3] * sin(table[5] + cy * table[2] * (double)y));
        yb = floor(fy + 0.5);

-        if ( xb>0 && yb>0 && xb<but->width && yb<but->height )
-            {
+        if ( xb>0 && yb>0 && xb<but->width && yb<but->height ) {
            r = (source->Rpix[yb])[xb];
            g = (source->Gpix[yb])[xb];
            b = (source->Bpix[yb])[xb];
@@ -61,11 +57,7 @@ for (x=0; x<source->width; x++)
 	    (but->Gpix[y])[x] = g;
 	    (but->Bpix[y])[x] = b;
            }
-        else
-            {
-            outside++;
-            /* ??? foo = Image_plotRGB(but, x, y, 0, 0, 0); */
-            }
+        else { outside++; }
        }
    }

@@ -85,8 +77,7 @@ return OLL_KORRECT;
 *	Les parametres sont en deux groupes de 3 dans la table.
 *	mais franchement, j'arrive plus a savoir a quoi ils servent.
 */
-int
-Image_sinwave_1( Image_Desc *source, Image_Desc * but, double *table )
+int Image_sinwave_1( Image_Desc *source, Image_Desc * but, double *table )
 {
 int		foo, x, y, xb, yb, r, g, b;
 long		outside = 0;
@@ -197,7 +188,7 @@ fprintf(stderr, ">> %s ( %p %p  %d %d )\n", __func__, source, but, k1, k2);
 fprintf(stderr, "Degouline %d %d\n", k1, k2);

 if ( (foo=Image_compare_desc(source, but)) ) {
-    fprintf(stderr, "Image Degouline 2: images are differents %d\n", foo);
+    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
    return foo;
    }

--- a/Lib/effects3.c
+++ b/Lib/effects3.c
@@ -1,7 +1,7 @@
 /*
 		+---------------------------------------+
 		|    Effets speciaux sur les images	|
-		|          troisième module		|
+		|          troisieme module		|
 		+---------------------------------------+
 			Thierry Boudet <oulala@chez.com>
 */
@@ -20,8 +20,7 @@
 *	11 Fev 2003: que vais-je mettre ici ?
 *	 5 avr 2007: je commence a en avoir une idee plus precise.
 */
-int
-Image_effect_x_0(Image_Desc *src, Image_Desc *dst, int kr, int kg, int kb)
+int Image_effect_x_0(Image_Desc *src, Image_Desc *dst, int kr, int kg, int kb)
 {
 int	foo, x, y, r, g, b;
 int	cr, cg, cb;
@@ -30,9 +29,8 @@ int	cr, cg, cb;
 fprintf(stderr, "*** Effect X_0: coeffs:  %d  %d  %d\n", kr, kg, kb);
 #endif

-if ( (foo=Image_compare_desc(src, dst)) )
-    {
-    fprintf(stderr, "Image effect x 0: images are differents %d\n", foo);
+if ( (foo=Image_compare_desc(src, dst)) ) {
+    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
    return foo;
    }

@@ -40,7 +38,10 @@ cr = cg = cb = 0;		/* raz des compteurs */

 for (y=0; y<dst->height; y++) {
 	for (x=0; x<dst->width; x++) {
-		Image_getRGB(src, x, y, &r, &g, &b);
+		/* Image_getRGB(src, x, y, &r, &g, &b); */
+		r = src->Rpix[y][x];
+		g = src->Gpix[y][x];
+		b = src->Bpix[y][x];
 		if (r > kr) {
 			foo = g;	g = b;	b = foo;
 			cr ++;
@@ -53,11 +54,14 @@ for (y=0; y<dst->height; y++) {
 			foo = g;	g = r;	r = foo;
 			cb ++;
 			}
-		Image_plotRGB(dst, x, y, r, g, b);
+		/*  Image_plotRGB(dst, x, y, r, g, b); */
+		dst->Rpix[y][x] = r;
+		dst->Gpix[y][x] = g;
+		dst->Bpix[y][x] = b;
 		}
 	}

-fprintf(stderr, "* %s : counts:  %d  %d  %d\n", __func__, cr, cg, cb);
+/* fprintf(stderr, "* %s : counts:  %d  %d  %d\n", __func__, cr, cg, cb); */

 return FUNC_IS_BETA;
 }
@@ -66,26 +70,22 @@ return FUNC_IS_BETA;
 /*
 * 3 avril 2007: je me rend compte que les parametres ne servent a rien.
 */
-int
-Image_effect_x_1(Image_Desc *src, Image_Desc *dst)
+int Image_effect_x_1(Image_Desc *src, Image_Desc *dst)
 {
 int	foo, x, y, r, g, b;

-if ( (foo=Image_compare_desc(src, dst)) )
-    {
-    fprintf(stderr, "Image effect x 1: images are differents %d\n", foo);
+if ( (foo=Image_compare_desc(src, dst)) ) {
+    fprintf(stderr, "I%s: images are differents %d\n", __func__, foo);
    return foo;
    }

-for (y=0; y<dst->height; y++)
-	{
-	for (x=0; x<dst->width; x++)
-		{
+for (y=0; y<dst->height; y++) {
+	for (x=0; x<dst->width; x++) {
 		r = src->Rpix[y][x];
 		g = src->Gpix[y][x];
 		b = src->Bpix[y][x];

-		/* 2 fevrier 2003: je fait du n'importe quoi, là... */
+		/* 2 fevrier 2003: je fait du n'importe quoi, la... */
 		dst->Rpix[y][x] = g^b;
 		dst->Gpix[y][x] = r^b;
 		dst->Bpix[y][x] = r^g;
@@ -96,18 +96,16 @@ return FUNC_IS_BETA;
 }
 /*::------------------------------------------------------------------::*/
 /*
- *	1er Février 2003: encore une autre expérimentation, qui va être
- *	basée sur la trigonométrie.
+ *	1er Fevrier 2003: encore une autre experimentation, qui va etre
+ *	basee sur la trigonometrie.
 */
-int
-Image_effect_x_2(Image_Desc *src, Image_Desc *dst, int kx, int ky, int kv)
+int Image_effect_x_2(Image_Desc *src, Image_Desc *dst, int kx, int ky, int kv)
 {
 int	foo, x, y, r, g, b;
 double	dr, dg, db, ar, ag, ab;

-if ( (foo=Image_compare_desc(src, dst)) )
-    {
-    fprintf(stderr, "Image effect x 2: images are differents %d\n", foo);
+if ( (foo=Image_compare_desc(src, dst)) ) {
+    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
    return foo;
    }

@@ -135,7 +133,7 @@ for (y=0; y<dst->height; y++) {
 		ab = atan2(dr, dg);

 		/*
-		 * et là, il y a des soucis d'echelle :)
+		 * et la il y a des soucis d'echelle :)
 		 * 15 mars 2005: pourquoi 156 ? (XXX) 
 		 */
 		r = (int)(ar * 156.0);
@@ -154,14 +152,13 @@ return FUNC_IS_BETA;
 /*
 *	30 Jan 2003: hop, j'improvise pendant que les patates cuisent :)
 *	 4 Fev 2003: et je peaufine pendant que le poulet mijote :)
- *      27 Oct 2003: je debugge pendant que le thé infuse :)
+ *      27 Oct 2003: je debugge pendant que le the infuse :)
 *      16 Mai 2005: je commence a ecrire la documentation.
 *     29 sept 2015: je devrais finir la doc d'ici 2 ans.
- *     19 aout 2022: je comprend pas ce que c'est censé faire :)
+ *     19 aout 2022: je comprend pas ce que c'est cense faire :)
 *
 */
-int
-Image_effect_x_3(Image_Desc *src, Image_Desc *dst, int kx, int ky, char *comp)
+int Image_effect_x_3(Image_Desc *src, Image_Desc *dst, int kx, int ky, char *comp)
 {
 int	foo, sx, sy;
 int	x, y, r, g, b;
@@ -171,15 +168,13 @@ int	cx, cy, dx, dy;
 fprintf(stderr, "%s :   kx %d ky %d   comp '%s'\n", __func__, kx, ky, comp);
 #endif

-if ( (foo=Image_compare_desc(src, dst)) )
-    {
+if ( (foo=Image_compare_desc(src, dst)) ) {
    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
    return foo;
    }

-if (strlen(comp) != 2)
-	{
-	fprintf(stderr, "eff x3: bad comp parameter '%s'\n", comp);
+if (strlen(comp) != 2) {
+	fprintf(stderr, "%s: bad comp parameter '%s'\n", __func__, comp);
 	fprintf(stderr, "  must be a 2 chars string, from 'rgb'\n");
 	return INVALID_PARAM;
 	}
@@ -193,25 +188,22 @@ sx = sy = 0;

 /*
 *	ici il faudrait une validation des deux lettres, mais j'ai la
- *	flemme d'écrire ça maintenant. je vais plutôt aller boofer.
+ *	flemme d'ecrire ce genre de chos maintenant.
+ *	Je vais plutot aller boofer.
 */

-for (y=0; y<dst->height; y++)
-	{
-	for (x=0; x<dst->width; x++)
-		{
+for (y=0; y<dst->height; y++) {
+	for (x=0; x<dst->width; x++) {
 		r = src->Rpix[y][x];
 		g = src->Gpix[y][x];
 		b = src->Bpix[y][x];

-		switch(cx)
-			{
+		switch(cx) {
 			case 'r':	dx = r;		break;
 			case 'g':	dx = g;		break;
 			case 'b':	dx = b;		break;
 			}
-		switch(cy)
-			{
+		switch(cy) {
 			case 'r':	dy = r;		break;
 			case 'g':	dy = g;		break;
 			case 'b':	dy = b;		break;
@@ -221,15 +213,13 @@ for (y=0; y<dst->height; y++)
 		sy = y + ((ky * (dy-128)) / 100);

 		if (	sx >= 0 && sx < dst->width &&
-			sy >= 0 && sy < dst->height	)
-			{
+			sy >= 0 && sy < dst->height  ) {
 			r = src->Rpix[sy][sx];
 			g = src->Gpix[sy][sx];
 			b = src->Bpix[sy][sx];
 			Image_plotRGB(dst, x, y, r, g, b);
 			}
-		else
-			{
+		else {
 			Image_plotRGB(dst, x, y, r, r, r);
 			}
 		/* 
@@ -252,7 +242,7 @@ fprintf(stderr, "*** effect x4 is not ready for prime time ***\n");
 #endif

 if ( (foo=Image_compare_desc(src, dst)) ) {
-    fprintf(stderr, "Image effect x 4: images are differents %d\n", foo);
+    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
    return foo;
    }

@@ -285,8 +275,7 @@ return FUNC_IS_BETA;
 * faudrait que les gosses arretent de ma casser les oreilles avec leur
 * machine a batailles. putain de gamecube... */
 /* 23 aout 2022 : j'ai bien envie d'une SNES et d'un Trinitron */
-int
-Image_effect_x_5(Image_Desc *src, Image_Desc *dst, int kx, int ky, int kz)
+int Image_effect_x_5(Image_Desc *src, Image_Desc *dst, int kx, int ky, int kz)
 {
 int	foo, sx, sy;
 int	x, y, r, g, b;
@@ -299,16 +288,13 @@ fprintf(stderr, ">>> %s ( %p %p  %d %d %d )\n", __func__, src, dst,
 				kx, ky, kz);
 #endif

-if ( (foo=Image_compare_desc(src, dst)) )
-    {
+if ( (foo=Image_compare_desc(src, dst)) ) {
    fprintf(stderr, "Image effect x 5: images are differents %d\n", foo);
    return foo;
    }

-for (y=0; y<src->height; y++)
-	{
-	for (x=0; x<src->width; x++)
-		{
+for (y=0; y<src->height; y++) {
+	for (x=0; x<src->width; x++) {
 		r = src->Rpix[y][x];
 		g = src->Gpix[y][x];
 		b = src->Bpix[y][x];
@@ -322,8 +308,7 @@ for (y=0; y<src->height; y++)
 		g2 = (int)(dg2 * 255.0);
 		b2 = (int)(db2 * 255.0);
 #if DEBUG_LEVEL
-		if (x==42 && y==42)
-			{
+		if (x==42 && y==42) {
 			printf("{{{ pixels %3d %3d %3d }}}\n", r, g, b);
 			printf("{{{ result %3d %3d %3d }}}\n", r2, g2, b2);
 			}
--- a/Lib/equalhist.c
+++ b/Lib/equalhist.c
@@ -0,0 +1,15 @@
+/*
+ *	Egalisation par cumul d'histogramme
+ *	===================================
+ *
+ * new: Sat Aug 10 14:38:01 UTC 2024, aux Bourtoulots
+ */
+
+
+#include  <stdio.h>
+#include  <math.h>
+#include  "../tthimage.h"
+
+
+/*::------------------------------------------------------------------::*/
+
--- a/Lib/essais.c
+++ b/Lib/essais.c
@@ -17,6 +17,50 @@
 #include  "../tthimage.h"
 #include  "essais.h"

+/*		==============================				*/
+int essai_draw_paint_rect(char *outga)
+{
+Image_Desc		*img;
+Image_Rect		rect;
+int			foo, x, y;
+
+fprintf(stderr, ">>> %s ( '%s' )\n", __func__, outga);
+
+rect.x = 8;		rect.y = 8;
+rect.w = 6;		rect.h = 6;
+
+if (NULL==(img=Image_alloc(64, 32, 3))) {
+	abort();
+	}
+
+for (x=0; x<img->width; x+=2) {
+	for (y=0; y<img->height; y+=2) {
+		Image_plotRGB(img, x, y, 200, 200, 200);
+		}
+	}
+
+foo = Image_draw_rect(img, &rect, 192, 128, 64);
+if (foo) {
+	fprintf(stderr, "%s: err %d draw rect\n", __func__, foo);
+	return foo;
+	}
+
+rect.x = 24;
+foo = Image_paint_rect(img, &rect, 64, 128, 192);
+if (foo) {
+	fprintf(stderr, "%s: err %d paint rect\n", __func__, foo);
+	return foo;
+	}
+
+foo = Image_TGA_save(outga, img, 0);
+if (foo) {
+	fprintf(stderr, "%s: err %d save '%s'\n", __func__, foo, outga);
+	return foo;
+	}
+
+return OLL_KORRECT;
+}
+
 /*::------------------------------------------------------------------::*/
 /* nouveau vacances de fevrier 2010 */
 int Essayer_les_alphas(char *fname, int k)
@@ -37,7 +81,7 @@ if (NULL==(dst=Image_clone(src, 0))) {
 	}

 foo = Image_tampon_alpha_0(src, NULL, dst);
-if (foo) Image_print_error(__func__, foo);
+if (foo) Image_print_error(fname, foo);

 Image_TGA_save("Pictures/aaaa-tampon.tga", dst, 0);

@@ -101,7 +145,7 @@ Image_TGA_save("Pictures/aaaa-luminance-128.tga", dst, 0);
 foo = Image_luminance(src, dst, 200);
 Image_TGA_save("Pictures/aaaa-luminance-200.tga", dst, 0);
 foo = Image_luminance(src, dst, 500);
-if (foo) Image_print_error(__func__, foo);
+if (foo) Image_print_error((char *)__func__, foo);

 Image_TGA_save("Pictures/aaaa-luminance-500.tga", dst, 0);

@@ -172,18 +216,17 @@ if (NULL==(src=Image_TGA_alloc_load(srcname))) {
 	}
 /* on va creer le receptacle des horreurs */
 if (NULL==(dst=Image_clone(src, 0))) {
+	fprintf(stderr, "%s: err clone\n", __func__);
 	exit(5);
 	}

 /* ah bravo ! enfin un test unitaire appelable
 * depuis le test unitaire */
-for (idx=0; idx<20; idx++)
-	{
+for (idx=0; idx<20; idx++) {
 	foo = Image_essai_col_reduce(src, dst, 133, idx);
 	printf("le retour de l'essai_col_reduce %d est %d\n", idx, foo);
-	if (OLL_KORRECT==foo)
-		{
-		sprintf(fname, "Pictures/aaaa-colredux-%02d.tga", idx);
+	if (OLL_KORRECT==foo) {
+		sprintf(fname, "aaaa-colredux-%02d.tga", idx);
 		Image_TGA_save(fname, dst, 0);
 		}
 	}
@@ -331,7 +374,9 @@ if ( NULL == (nucked=Image_clone(origine, 1)) ) {
 	}

 foo = Image_essai_zoom(origine, nucked, 1.18, 0.42, 0);
-
+if (foo) {
+	fprintf(stderr, "In %s, essai zoom -> %d\n", __func__, foo);
+	}
 Image_TGA_save("Pictures/aaaa-zoom.tga", nucked, 0);

 Image_DeAllocate(nucked);	free(nucked);
@@ -425,7 +470,6 @@ int		rotule, foo;
 Image_Desc	*origine, *imgtmp;
 char		chaine[100];
 int		filtre[11];
-int		w3, h3;
 Image_Rect      rect;

 static	int	datas_sobel[] =
@@ -442,6 +486,8 @@ static	int	datas_prewitt[] =
 	-1,	-1,	-1,
 	1,	128
 	};
+#if 0
+/* WHAT THE HELL is this data thing ? */
 static struct offxy
 	{ int	x, y; } offsets[] = {
 	{ 1, 0 },
@@ -453,6 +499,7 @@ static struct offxy
 	{ 0, 1 },
 	{ 0, 0 }
 	};
+#endif

 printf("========= Filtrage directionnel sur %s =======\n", srcname);

@@ -464,9 +511,6 @@ printf("image originale @ %p\n", origine);

 imgtmp = Image_clone(origine, 1);

-w3 = origine->width * 3;
-h3 = origine->height * 3;
-
 if (flags)	memcpy(filtre, datas_prewitt, sizeof(filtre));
 else		memcpy(filtre, datas_sobel, sizeof(filtre));

@@ -537,32 +581,30 @@ int		foo, ax, ay;

 printf("====== essais Warping sur %s (k=%d) ====\n", srcname, k);

-if (NULL == (src = Image_TGA_alloc_load(srcname)) )
-	{
+if (NULL == (src = Image_TGA_alloc_load(srcname)) ) {
 	fprintf(stderr, "Err loading '%s'\n", srcname);
 	exit(5);
 	}
 dst = Image_clone(src, 0);

 foo = Image_warp_essai_0(src, dst, 33.5, 100, 100);
-Image_TGA_save("Pictures/warp-essai-0.tga", dst, 0);
+Image_TGA_save("warp-essai-0.tga", dst, 0);

 foo = Image_center_rotate(src, dst, 21.5);
-Image_TGA_save("Pictures/warp-center-rotate.tga", dst, 0);
+Image_TGA_save("warp-center-rotate.tga", dst, 0);

 ax = (src->width * 2) / 3;
 ay = (src->height * 2) / 3;
 foo = Image_shift_xy(src, dst, ax, ay);
-Image_TGA_save("Pictures/warp-shift-xy.tga", dst, 0);
+Image_TGA_save("warp-shift-xy.tga", dst, 0);
 foo = Image_shift_x(src, dst, ax);
-Image_TGA_save("Pictures/warp-shift-x.tga", dst, 0);
+Image_TGA_save("warp-shift-x.tga", dst, 0);
 foo = Image_shift_y(src, dst, ay);
-Image_TGA_save("Pictures/warp-shift-y.tga", dst, 0);
+Image_TGA_save("warp-shift-y.tga", dst, 0);

 Image_DeAllocate(src);  free(src);
 Image_DeAllocate(dst);  free(dst);

-
 return 42;
 }
 /*::------------------------------------------------------------------::*/
@@ -750,7 +792,7 @@ Image_DeAllocate(dst);	free(dst);
 return 42;
 }
 /*::------------------------------------------------------------------::*/
-int Test_classif(char *srcname, int k)
+int Test_Classif(char *srcname, int k)
 {
 Image_Desc	*src, *dst;
 int		foo;
@@ -767,8 +809,7 @@ static Une_Classe_Sph classs[] =
 	{   0, 255,   0,   DC,     0, 255,   0 }
 	};

-if (NULL == (src = Image_TGA_alloc_load(srcname)) )
-	{
+if (NULL == (src = Image_TGA_alloc_load(srcname)) ) {
 	fprintf(stderr, "Err loading '%s'\n", srcname);
 	exit(5);
 	}
@@ -776,11 +817,11 @@ dst = Image_clone(src, 0);

 foo = Image_classif_0(src, dst);
 Image_print_error("essai classif 0", foo);
-Image_TGA_save("Pictures/aaaa-classif0.tga", dst, 0);
+Image_TGA_save("aaaa-classif0.tga", dst, 0);

 foo = Image_classif_1(src, dst, classs, 5, 0);
 Image_print_error("essai classif 1", foo);
-Image_TGA_save("Pictures/aaaa-classif1.tga", dst, 0);
+Image_TGA_save("aaaa-classif1.tga", dst, 0);

 Image_DeAllocate(src);	free(src);
 Image_DeAllocate(dst);	free(dst);
@@ -789,23 +830,29 @@ return 42;
 }
 /*::------------------------------------------------------------------::*/
 /* new 24 avril 2007, essais sur le module rgbmask.c			*/
-int
-Test_rgbmask(char *srcname)
+int Test_RGBmask(char *srcname)
 {
 Image_Desc *source, *image ;
 int		foo;

+fprintf(stderr, "=============== %s on %s ==============\n", __func__, srcname);
+
+
 source = Image_TGA_alloc_load(srcname);
 image = Image_clone(source, 0);

 foo = Image_rgbmask_H(source, image, 0);
-Image_TGA_save("Pictures/aaaa-rgbmaskH.tga", image, 0);
+Image_TGA_save("aaaa-rgbmaskH.tga", image, 0);
 foo = Image_rgbmask_V(source, image, 0);
-Image_TGA_save("Pictures/aaaa-rgbmaskV.tga", image, 0);
+Image_TGA_save("aaaa-rgbmaskV.tga", image, 0);
 foo = Image_rgbmask_2(source, image, 0);
-Image_TGA_save("Pictures/aaaa-rgbmask2.tga", image, 0);
+Image_TGA_save("aaaa-rgbmask2.tga", image, 0);
 foo = Image_rgbmask_R(source, image, 0);
-Image_TGA_save("Pictures/aaaa-rgbmaskR.tga", image, 0);
+Image_TGA_save("aaaa-rgbmaskR.tga", image, 0);
+
+Image_DeAllocate(source);	free(source);
+Image_DeAllocate(image);	free(image);
+

 return  42;
 }
@@ -941,9 +988,9 @@ return 0;
 }
 /*::------------------------------------------------------------------::*/
 /*
+ *	2023-09-30 this function need more work
 */
-int
-Test_copie_de_rectangles(char *nomsource)
+int Test_copie_de_rectangles(char *nomsource)
 {
 Image_Desc *source, *image, *finale;
 int	foo, w, h, x, y;
@@ -1006,15 +1053,47 @@ Image_DeAllocate(finale);	free(finale);
 return 0;
 }
 /*::------------------------------------------------------------------::*/
-int
-Test_Egalisations(char *nomsource, int k)
+/* new: Sat Aug 10 15:32:01 UTC 2024 */
+int Essai_Televisions(char *nomsource, int k)
+{
+Image_Desc	*image, *resultat;
+int		foo;
+
+fprintf(stderr, "================ Televisions %s %d ========\n", nomsource, k);
+
+
+image = Image_TGA_alloc_load(nomsource);
+printf("%s : image loaded %p\n", __func__, image);
+resultat = Image_clone(image, 0);
+printf("%s : image cloned %p\n", __func__, resultat);
+
+foo = Image_TV_old(image, resultat, 127, 127, 127);
+printf("\tTV old -> %d\n", foo);
+Image_TGA_save("aaaa_tv_old.tga", resultat, 0);
+
+foo = Image_TV_pix_0(image, resultat, 7, 7, 0);
+printf("\tTV pix 0 -> %d\n", foo);
+Image_TGA_save("aaaa_tv_pix_0.tga", resultat, 0);
+
+foo = Image_TV_cplus_v1(image, resultat, 7);
+printf("\tTV cplus v1 -> %d\n", foo);
+Image_TGA_save("aaaa_tv_cplusV1.tga", resultat, 0);
+
+
+Image_DeAllocate(image);	free(image);
+Image_DeAllocate(resultat);	free(resultat);
+
+return FULL_NUCKED;
+}
+/*::------------------------------------------------------------------::*/
+int Test_Egalisations(char *nomsource, int k)
 {
 Image_Desc *image, *deuxieme, *troisieme;
 int     x, y;

-fprintf(stderr, "============= Egalisations %s %d =====\n", nomsource, k);
+fprintf(stderr, "================ Egalisations %s %d =====\n", nomsource, k);

-image= Image_TGA_alloc_load(nomsource);
+image = Image_TGA_alloc_load(nomsource);
 printf("image loaded %p\n", image);

 deuxieme = Image_clone(image, 0);
@@ -1025,19 +1104,18 @@ troisieme = Image_clone(image, 0);
 printf("image 3 cloned %p\n", troisieme);
 Image_egalise_RGB(image, troisieme, 0);

-for (x=0; x<image->width; x++)
-	{
-	if (x < image->width/3)
-		{
-		for (y=0; y<image->height; y++)
+for (x=0; x<image->width; x++) {
+	if (x < image->width/3) {
+		for (y=0; y<image->height; y++) {
 			Image_pixel_copy(image, x, y, troisieme, x, y);
 			}
+		}
 	else
-	if (x > image->width/3*2)
-		{
-		for (y=0; y<image->height; y++)
+	if (x > image->width/3*2) {
+		for (y=0; y<image->height; y++) {
 			Image_pixel_copy(deuxieme, x, y, troisieme, x, y);
 			}
+		}

 #if DEBUG_LEVEL > 2
 	printf("%4d\r", x);	fflush(stdout);
@@ -1046,7 +1124,7 @@ for (x=0; x<image->width; x++)

 printf("saving resultat...\n");
 Image_marque_1(troisieme, "Egalisations", 0);
-Image_TGA_save("Pictures/aaaa_egal.tga", troisieme, 0);
+Image_TGA_save("aaaa_egal.tga", troisieme, 0);
 Image_DeAllocate(image);	free(image);
 Image_DeAllocate(deuxieme);	free(deuxieme);
 Image_DeAllocate(troisieme);	free(troisieme);
@@ -1054,30 +1132,30 @@ Image_DeAllocate(troisieme);	free(troisieme);
 return 42;
 }
 /*::------------------------------------------------------------------::*/
-int
-Test_Dithering(char *nomsource, int k)
+int Test_Dithering(char *nomsource, int k)
 {
 Image_Desc	*source, *image, *deuxieme, *finale;
 Image_Rect	rect;
-int		foo;
+int		foo, wf, hf;
 int		x2, y2;
 RGBA		ink, pap;

-fprintf(stderr, "========== Dithering on %s (%d) =======\n", nomsource, k);
+fprintf(stderr, "============== Dithering on %s (%d) =======\n", nomsource, k);

 source = Image_TGA_alloc_load(nomsource);
-if (NULL == source)
-	{
+if (NULL == source) {
 	fprintf(stderr, "%s:%s err load %s\n", __FILE__, __func__, nomsource);
 	exit(5);
 	}
+#if DEBUG_LEVEL
 Image_dump_descriptor(source, "just after load");
+#endif

 /*
 * est-ce bien necessaire ?
 */
 /* Image_egalise_RGB(source, source, 0); */
-
+wf = source->width;		hf = (source->height) * 3;
 x2 = source->width / 2;		y2 = source->height / 2;
 rect.w = x2;			rect.h = y2;
 rect.x = 0;			rect.y = 0;
@@ -1085,24 +1163,22 @@ rect.x = 0;			rect.y = 0;
 ink.r = 255, ink.g = 255, ink.b = 100;		ink.a = 255;
 pap.r =  30, pap.g =  30, pap.b = 155;		pap.a = 255;

-finale = Image_alloc(source->width, (source->height)*3, 3);
-if (NULL == finale)
-	{
+finale = Image_alloc(wf, hf, 3);
+if (NULL == finale) {
 	fprintf(stderr, "%s:%s:%d err alloc image\n",
 			__FILE__, __func__, __LINE__);
 	exit(5);
 	}
-printf("image finale allocated %p\n", finale);
+Image_clear(finale, 0, 200, 0);
+printf("image finale %dx%d allocated at %p\n", wf, hf, finale);

 image = Image_MakeHalfSize(source, 0);
-if (NULL == image)
-	{
+if (NULL == image) {
 	fprintf(stderr, "%s:%s:%d err halfsize image\n",
 			__FILE__, __func__, __LINE__);
 	exit(5);
 	}
-
-printf("image Half -> %p\n", image);
+printf("%s: image Half at %p\n", __func__, image);

 Image_DeAllocate(source);	free(source);
 Image_copy_rect(image, &rect, finale, 0, 0);
@@ -1148,17 +1224,20 @@ Image_txt1_box_0(finale, "3x3 2", x2, y2*3, 4, &pap, &ink, 0);
 foo = Image_dither_bayer8x8rnd(image, deuxieme, 5000, 0);
 printf("retour Dither bayer8x8rnd = %d\n", foo);
 Image_copy_rect(deuxieme, &rect, finale, x2, y2*4);
-Image_txt1_box_0(finale, "bayer 8x8 rnd rgb", x2, y2*4, 4, &pap, &ink, 0);
+Image_txt1_box_0(finale, "bayer8xrnd rgb", x2, y2*4, 4, &pap, &ink, 0);

 foo = Image_dither_bayer8x8rnd(image, deuxieme, 5000, 1);
 printf("retour Dither bayer8x8rnd = %d\n", foo);
 Image_copy_rect(deuxieme, &rect, finale, 0, y2*4);
-Image_txt1_box_0(finale, "bayer 8x8 rnd grey", 0, y2*4, 4, &pap, &ink, 0);
+Image_txt1_box_0(finale, "bayer8x8rndgrey", 0, y2*4, 4, &pap, &ink, 0);

-Image_TGA_save("Pictures/aaaa_dithering.tga", finale, 0);
+printf("++++++ test dither\n");
+Image_dump_descriptor(finale, "just before save");
+Image_TGA_save("aaaa_dithering.tga", finale, 0);
 Image_DeAllocate(image);	free(image);
 Image_DeAllocate(deuxieme);	free(deuxieme);
 Image_DeAllocate(finale);	free(finale);
+printf("++++++ fin essais dither\n");

 return 0;
 }
@@ -1177,8 +1256,7 @@ return -1;
 }
 /*::------------------------------------------------------------------::*/
 /* new 21 juillet 2007 - ave St Exupery */
-int
-Test_Effects_A(char *nomsource, int flag)
+int Test_Effects_A(char *nomsource, int flag)
 {
 Image_Desc *source, *image, *deuxieme, *finale;
 int	foo;
@@ -1187,8 +1265,7 @@ RGBA		ink, pap;

 printf("=== %s %s === %s === %d ===\n", __FILE__, __func__, nomsource, flag);

-if (flag)
-	{
+if (flag) {
 	fprintf(stderr, "%s: flag is %d ?\n", __func__, flag);
 	}

@@ -1196,8 +1273,7 @@ ink.r = 255, ink.g = 255, ink.b = 100;		ink.a = 255;
 pap.r =  30, pap.g =  30, pap.b = 155;		pap.a = 255;

 source = Image_TGA_alloc_load(nomsource);
-if (NULL==source)
-	{
+if (NULL==source) {
 	fprintf(stderr, "%s : il manque '%s'\n", __func__, nomsource);
 	exit(1);
 	}
@@ -1273,8 +1349,7 @@ Image_DeAllocate(finale);	free(finale);
 return 42;
 }
 /*::------------------------------------------------------------------::*/
-int
-Test_des_tamppools(char *imgname, int param)
+int Test_des_tamppools(char *imgname, int param)
 {
 void	*ptr;
 int	foo;
@@ -1297,30 +1372,31 @@ int Test_des_filtres(char *srcname, int k)
 Image_Desc	*src, *dst;
 int		foo;

-printf("======= LES FILTRES ===[ %s ]==[ %d ]====\n", srcname, k);
+printf("=============== Filtres =====[ %s ]====[ %d ]====\n", srcname, k);

 src = Image_TGA_alloc_load(srcname);
-if (NULL == src)
-	{
+if (NULL == src) {
 	fprintf(stderr, "%s can't load %s\n", __func__, srcname);
 	return 666;
 	}
 dst = Image_clone(src, 1);
-if (NULL == dst)
-	{
+if (NULL == dst) {
 	fprintf(stderr, "mem failure in %s\n", __func__);
 	abort();
 	}

 foo = Image_lissage_3x3(src, dst);
-Image_TGA_save("Pictures/filtre-liss3x3.tga", dst, 0);
+Image_TGA_save("filtre-liss3x3.tga", dst, 0);
 if (foo) { fprintf(stderr, "%s: liss3x3   -> %d\n", __func__, foo); }
 foo = Image_filtre_Prewitt(src, dst, 5);
-Image_TGA_save("Pictures/filtre-prewitt-5.tga", dst, 0);
+Image_TGA_save("filtre-prewitt-5.tga", dst, 0);
 foo = Image_filtre_passe_haut(src, dst);
-Image_TGA_save("Pictures/filtre-passe-haut.tga", dst, 0);
+Image_TGA_save("filtre-passe-haut.tga", dst, 0);
+
+/*
 foo = Image_filtre_Sobel_4(src, dst, 0);
-Image_TGA_save("Pictures/filtre-sobel-4.tga", dst, 0);
+Image_TGA_save("filtre-sobel-4.tga", dst, 0);
+*/

 Image_DeAllocate(src);	free(src);
 Image_DeAllocate(dst);	free(dst);
@@ -1416,3 +1492,17 @@ Image_DeAllocate(dst);	free(dst);
 return -1;
 }
 /*::------------------------------------------------------------------::*/
+/*		==============================				*/
+
+void essai_gradients(void)
+{
+int		foo;
+
+foo = Image_plot_H_gradient("foo.tga", 640, 200);
+fprintf(stderr, "plot h gradient -> %d\n", foo);
+foo = Image_plot_V_gradient("foo.tga", 900, 200);
+fprintf(stderr, "plot v gradient -> %d\n", foo);
+}
+/*		==============================				*/
+/*::------------------------------------------------------------------::*/
+
--- a/Lib/essais.h
+++ b/Lib/essais.h
@@ -27,6 +27,8 @@ int Essai_des_lut15bits(char *srcname, int k);
 int Essai_des_mires(char *, int, int);
 int Essai_des_zooms(char *srcname, int k);

+int Test_Classif(char *srcname, int k);
+
 int Essai_des_7_segments(char *srcname, int flag);
 int Essai_des_distances(char *srcname, int nbre, int flag);
 int Essai_des_cadres(char *srcname, int flags);
@@ -44,7 +46,7 @@ int Test_des_df3(char *txt, int k);
 int Test_vignettes(char *srcname, int k);

 int Test_classif(char *srcname, int k);
-int Test_rgbmask(char *srcname);
+int Test_RGBmask(char *srcname);
 void Test_rgb2xyz(void);

 int  Essai_des_marquages(char *srcname, int nombre, char *texte);
@@ -68,7 +70,7 @@ int Test_des_pixeliz(char *srcname, int flags);
 int Essai_des_bitblt(char *srcname, int k);
 int Essai_des_gadgrect(char *srcname, int k);

-int Essai_Television(char *source, int k);
+int Essai_Televisions(char *source, int k);

 /* dans essais2;c */
 int Essai_des_big_chars(char *fname, int k);
--- a/Lib/falsecolors.c
+++ b/Lib/falsecolors.c
@@ -0,0 +1,39 @@
+/*
+ *		FALSECOLORS.C
+ *
+ *	new: Wed Oct  4 07:32:36 UTC 2023
+ *
+ *	see also	calcluts.c
+ */
+
+#include  <stdio.h>
+#include  <stdlib.h>
+#include  <unistd.h>
+#include  <stdint.h>
+#include  <string.h>
+#include  <math.h>
+
+#include  "../tthimage.h"
+
+/*::------------------------------------------------------------------::*/
+/*::------------------------------------------------------------------::*/
+int Image_gen_fc_lut(float maxval, int nbslots, RGB_map *plut)
+{
+int		idx, ilut;
+float		fval;
+
+fprintf(stderr, ">>> %s ( %f %d %p )\n", __func__, maxval, nbslots, plut);
+
+/* RAZ de les luts */
+memset(plut, 0, sizeof(RGB_map));
+
+for (idx=0; idx<nbslots; idx++) {
+	fval = (float)idx / (float)nbslots;
+	ilut = (int)(fval*256.0);
+	fprintf(stderr, "    %3d   %8.6f   %3d\n", idx, fval, ilut);
+	}
+
+return FULL_NUCKED;
+}
+/*::------------------------------------------------------------------::*/
+/*::------------------------------------------------------------------::*/
--- a/Lib/filtres.c
+++ b/Lib/filtres.c
@@ -9,8 +9,7 @@
 #include  "../tthimage.h"

 /*::------------------------------------------------------------------::*/
-void
-Image_filtre_display(FILE *ou, int *mat)
+void Image_filtre_display(FILE *ou, int *mat)
 {
 int     cumul, foo;

@@ -28,8 +27,7 @@ fprintf(ou, "\t+--------------------+------------------+\n");
 fflush(ou);
 }
 /*::------------------------------------------------------------------::*/
-void
-Image_rotate_filtre(int *m)
+void Image_rotate_filtre(int *m)
 {
 register int     foo;

@@ -44,8 +42,7 @@ m[2]    =   m[1];
 m[1]    =   foo;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_convolueur3(Image_Desc *in, Image_Desc *out, int *mat)
+int Image_convolueur3(Image_Desc *in, Image_Desc *out, int *mat)
 {
 int	foo;

@@ -57,22 +54,19 @@ foo = Image_convolueur_2(in, out, mat, "rgb");
 return foo;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_convolueur_2(Image_Desc *in, Image_Desc *out, int *mat, char *planes)
+int Image_convolueur_2(Image_Desc *in, Image_Desc *out, int *mat, char *planes)
 {
 int         foo, x, y;
 long        lval;
 int         masque = 0;

-if (in == out)
-	{
-        fprintf(stderr, "convolueur 2: out overwrite in.\n");
+if (in == out) {
+        fprintf(stderr, "%s: out overwrite in.\n", __func__);
 	return IMG_OVERWRITE;
 	}

-if ( (foo=Image_compare_desc(in, out)) )
-    {
-    fprintf(stderr, "Convolueur: images are differents %d\n", foo);
+if ( (foo=Image_compare_desc(in, out)) ) {
+    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
    return foo;
    }

@@ -85,9 +79,8 @@ Image_dump_descriptor(out, "image de sortie convolueur");
 Image_filtre_display(stdout, mat);
 #endif

-if (mat[9] == 0)
-    {
-    fprintf(stderr, "Convolueur: fuck, divisor is ZERO !\n");
+if (mat[9] == 0) {
+    fprintf(stderr, "%s: fsck, divisor is ZERO !\n", __func__);
 			/*
 			 ! c'est sur, avec un message comme c,a je vais pas
 			 ! pouvoir transmettre mon code aux australiens
@@ -99,10 +92,8 @@ if (mat[9] == 0)
 /*
 *	preparation of the binary mask from the parameter string
 */
-for (foo=0; foo<(int)strlen(planes); foo++)
-	{
-	switch (planes[foo])
-		{
+for (foo=0; foo<(int)strlen(planes); foo++) {
+	switch (planes[foo]) {
 		case 'r':	case 'R':
 			masque |= 8;
 			break;
@@ -122,18 +113,14 @@ for (foo=0; foo<(int)strlen(planes); foo++)
 printf("masque convolueur = %02x\n", masque);
 #endif

-if ( (masque & 1) && (in->Apix == NULL) )
-	{
-	fprintf(stderr, "Convolueur2: filtering NULL alpha plane is _bad_\n");
+if ( (masque & 1) && (in->Apix == NULL) ) {
+	fprintf(stderr, "%s: filtering NULL alpha plane is _bad_\n", __func__);
 	return WRONG_CHANNEL;
 	}

-for (y=1; y<((in->height)-1); y++)
-    {
-    for (x=1; x<((in->width)-1); x++)
-        {
-	if (masque & 8)
-		{
+for (y=1; y<((in->height)-1); y++) {
+    for (x=1; x<((in->width)-1); x++) {
+	if (masque & 8) {
 	        lval  = mat[0] * in->Rpix[y-1][x-1] +
 			mat[1] * in->Rpix[y-1][x]   +
 			mat[2] * in->Rpix[y-1][x+1] +
@@ -150,8 +137,7 @@ for (y=1; y<((in->height)-1); y++)
        	out->Rpix[y][x] = (uint8_t)lval;
 		}

-	if (masque & 4)
-		{
+	if (masque & 4) {
        	lval  = mat[0] * in->Gpix[y-1][x-1] +
             		mat[1] * in->Gpix[y-1][x]   +
              		mat[2] * in->Gpix[y-1][x+1] +
@@ -168,8 +154,7 @@ for (y=1; y<((in->height)-1); y++)
        	out->Gpix[y][x] = (uint8_t)lval;
 		}

-	if (masque & 2)
-		{
+	if (masque & 2) {
        	lval  = mat[0] * in->Bpix[y-1][x-1] +
              		mat[1] * in->Bpix[y-1][x]   +
              		mat[2] * in->Bpix[y-1][x+1] +
@@ -186,8 +171,7 @@ for (y=1; y<((in->height)-1); y++)
        	out->Bpix[y][x] = (uint8_t)lval;
 		}

-	if (masque & 1)
-		{
+	if (masque & 1) {
        	lval  = mat[0] * in->Apix[y-1][x-1] +
              		mat[1] * in->Apix[y-1][x]   +
              		mat[2] * in->Apix[y-1][x+1] +
@@ -211,13 +195,11 @@ out->modified   = 1;
 return OLL_KORRECT;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_raz_sides(Image_Desc *im)
+int Image_raz_sides(Image_Desc *im)
 {
 int     foo;

-for (foo=0; foo<im->width; foo++)
-    {
+for (foo=0; foo<im->width; foo++) {
    (im->Rpix[0])[foo] = 0;
    (im->Gpix[0])[foo] = 0;
    (im->Bpix[0])[foo] = 0;
@@ -226,8 +208,7 @@ for (foo=0; foo<im->width; foo++)
    (im->Bpix[im->height-1])[foo] = 0;
    }

-for (foo=0; foo<im->height; foo++)
-    {
+for (foo=0; foo<im->height; foo++) {
    (im->Rpix[foo])[0] = 0;
    (im->Gpix[foo])[0] = 0;
    (im->Bpix[foo])[0] = 0;
@@ -243,27 +224,22 @@ return OLL_KORRECT;
 /* 
 *	Arf, le grand classique :)
 */
-int
-Image_lissage_3x3(Image_Desc *in, Image_Desc *out)
+int Image_lissage_3x3(Image_Desc *in, Image_Desc *out)
 {
 int         foo, x, y;

-if (in == out)
-	{
-        fprintf(stderr, "Lissage 3x3: out overwrite in\n");
+if (in == out) {
+        fprintf(stderr, "%s: out overwrite in\n", __func__);
 	return IMG_OVERWRITE;
 	}

-if ( (foo=Image_compare_desc(in, out)) )
-    {
-    fprintf(stderr, "Lissage 3x3: images have differents size, %d\n", foo);
+if ( (foo=Image_compare_desc(in, out)) ) {
+    fprintf(stderr, "%s: images have differents size, %d\n", __func__, foo);
    return foo;
    }

-for (y=1; y<((in->height)-1); y++)
-    {
-    for (x=1; x<((in->width)-1); x++)
-        {
+for (y=1; y<((in->height)-1); y++) {
+    for (x=1; x<((in->width)-1); x++) {

        foo = in->Rpix[y-1][x-1] + in->Rpix[y-1][x] + in->Rpix[y-1][x+1] +
              in->Rpix[y]  [x-1] + in->Rpix[y]  [x] + in->Rpix[y]  [x+1] +
@@ -292,11 +268,9 @@ return OLL_KORRECT;
 /*
 *	new 14 Jan 2000
 */
-int
-Image_filtre_Prewitt(Image_Desc *src, Image_Desc *dst, int rotation)
+int Image_filtre_Prewitt(Image_Desc *src, Image_Desc *dst, int rotation)
 {
-static	int	Prewitt[] =
-	{
+static	int	Prewitt[] = {
 	1,	1,	1,
 	0,	0,	0,
 	-1,	-1,	-1,
@@ -318,11 +292,9 @@ return OLL_KORRECT;
 /*
 *	XXX cette fonction est incorrecte XXX
 */
-int
-Image_filtre_Sobel(Image_Desc *src, Image_Desc *dst, int rotation)
+int Image_filtre_Sobel(Image_Desc *src, Image_Desc *dst, int rotation)
 {
-static	int	Sobel[] =
-	{
+static	int	Sobel[] = {
 	1,	2,	1,
 	0,	0,	0,
 	-1,	-2,	-1,
@@ -343,13 +315,11 @@ return OLL_KORRECT;
 * Voir aussi 'sobel4.c' */
 /*::------------------------------------------------------------------::*/
 /*	new 15 Jan 2000							*/
-int
-Image_filtre_passe_bas(Image_Desc *src, Image_Desc *dst)
+int Image_filtre_passe_bas(Image_Desc *src, Image_Desc *dst)
 {
 int	foo;

-static	int	PasseBas[] =
-	{
+static	int	PasseBas[] = {
 	1,	2,	1,
 	2,	4,	2,
 	1,	2,	1,
@@ -363,14 +333,12 @@ return foo;
 /*::------------------------------------------------------------------::*/
 /*	nouveau: 18 Janvier 2001
 		moral à zéro, il faut que je fasse pédaler le 486 !	*/
-int
-Image_filtre_random(Image_Desc *src, Image_Desc *dst, int p1, int p2)
+int Image_filtre_random(Image_Desc *src, Image_Desc *dst, int p1, int p2)
 {
 int	filtre[11];
 int	foo, somme, v, delta;

-if (p1 == p2)
-	{
+if (p1 == p2) {
 	fprintf(stderr, "%s: p1=%d must be different from p2=%d\n",
 			__func__, p1, p2);
 	return INVALID_PARAM;
@@ -383,8 +351,7 @@ delta = abs(p2 - p1);
 fprintf(stderr, "%s: delta is %d\n", __func__, delta);
 #endif

-for (foo=0; foo<9; foo++)
-	{
+for (foo=0; foo<9; foo++) {
 	v = (rand()%delta)+p1;
 	filtre[foo] = v;
 	somme += v;
@@ -405,15 +372,14 @@ return FUNC_IS_BETA;
 /*	nouveau: 3 Fevrier 2001 
 		on s'inspire de la precedente.
 */
-int
-Image_filtre_random_2(Image_Desc *src, Image_Desc *dst,
+int Image_filtre_random_2(Image_Desc *src, Image_Desc *dst,
 				int p1, int p2, int p3, int p4)
 {
 int	filtre[11];
 int	foo, somme, v, delta, deltb;

 #if DEBUG_LEVEL
-fprintf(stderr, "Filtre Random 2: %d %d  /  %d %d\n", p1, p2, p3, p4);
+fprintf(stderr, "%s: %d %d  /  %d %d\n", __func__, p1, p2, p3, p4);
 #endif

 delta = abs(p2 - p1);
@@ -423,18 +389,14 @@ fprintf(stderr, "Filtre Random 2: delta are %d %d\n", delta, deltb);
 #endif

 somme = 0;
-for (foo=0; foo<9; foo++)
-	{
-	if (foo != 4)
-		{
+for (foo=0; foo<9; foo++) {
+	if (foo != 4) {
 		v = (rand()%delta)+p1;
 		}
-	else
-		{
+	else {
 		v = (rand()%deltb)+p3;
 		}
 	filtre[foo] = v;
-
 	somme += v;
 	}

@@ -448,12 +410,10 @@ foo = Image_convolueur_2(src, dst, filtre, "rgb");
 return FUNC_IS_BETA;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_filtre_passe_haut(Image_Desc *src, Image_Desc *dst)
+int Image_filtre_passe_haut(Image_Desc *src, Image_Desc *dst)
 {
 int	foo;
-static	int	PasseHaut[] =
-	{
+static	int	PasseHaut[] = {
 	-1,	-1,	-1,
 	-1,	 8,	-1,
 	-1,	-1,	-1,
--- a/Lib/foo.c
+++ b/Lib/foo.c
@@ -2,18 +2,103 @@
 #include  <stdlib.h>
 #include  <unistd.h>
 #include   <stdint.h>
+#include  <math.h>

 #include  "../tthimage.h"

+/*		==============================				*/
+
+/* new Wed Aug 14 19:17:20 UTC 2024
+ *
+ *	parameters :
+ *		ip: Image_Desc * of input picture
+ *		ix, iy:	coordinate of the pixel in this pic.
+ *		op, ox, oy : same things for output picture
+ */
+#define PIXEL_COPY(ip, ix, iy, op, ox, oy)			\
+			do {					\
+			(op->Rpix[oy])[ox] = (ip->Rpix[iy])[ix];	\
+			(op->Gpix[oy])[ox] = (ip->Gpix[iy])[ix];	\
+			(op->Bpix[oy])[ox] = (ip->Bpix[iy])[ix];	\
+			} while (0)
+
+#define SZPIC   4096
+
+void essai_pixcopy(int usemacro)
+{
+Image_Desc	*alice, *bob;
+int		x, y, foo;
+double		T0, T1, perpix;
+long		count;
+char		*fname;
+
+alice = Image_alloc(SZPIC, SZPIC, IMAGE_RGB);
+bob   = Image_alloc(SZPIC, SZPIC, IMAGE_RGB);
+
+Image_pattern_000(alice, 0);
+Image_TGA_save("alice.tga", alice, 0);
+
+T0 = tthi_dtime();
+count = 0L;
+
+if (usemacro) {
+	for (y=0; y<SZPIC; y++) {
+		for (x=0; x<SZPIC; x++) {
+			PIXEL_COPY(alice, x, y, bob, x, y);
+			count++;
+			}
+		}
+	fname = "bob1.tga";
+	}
+else {
+	for (y=0; y<SZPIC; y++) {
+		for (x=0; x<SZPIC; x++) {
+			Image_pixel_copy(alice, x, y, bob, x, y);
+			count++;
+			}
+		}
+	fname = "bob0.tga";
+	}
+
+T1 = tthi_dtime();
+
+foo = Image_TGA_save(fname, bob, 0);
+if (foo) {
+	fprintf(stderr, "%s: save -> %d\n", __func__, foo);
+	}
+
+perpix = ((T1-T0) / (double)count) * 1e6;
+fprintf(stderr, "%s : %10ld pixels, elapsed %9.6f seconds ==> %9.6f µs/pix\n",
+			usemacro ? "macro" : "func ",
+			count, T1-T0, perpix);
+
+/* end */
+}
+
+/*		==============================				*/
+
 int main(int argc, char *argv[])
 {
-Image_print_version(2);
-Image_print_sizeof_structs("foo");
+int	i;

-if (2==argc)
-	Image_t16x24_essai("16x24thin", argv[1], "16x24.tga");
-else
-	Image_t16x24_essai("16x24thin", "0123456789abcdef", "16x24.tga");
+fprintf(stderr, "*********** %s ************\n", argv[0]);
+
+if (argc > 1) {
+	fprintf(stderr, "argument: %s\n", argv[1]);
+	Image_print_version(2);
+	Image_print_sizeof_structs("foo");
+	}
+else	{
+	for (i=0; i<5; i++) {
+		essai_pixcopy(0);
+		essai_pixcopy(1);
+		}
+	}
+
+/*
+foo = essai_show_t16x24(NULL);
+fprintf(stderr, "essai show t16x24 --> %d\n", foo);
+*/

 return 0;
 }
--- a/Lib/functions.c
+++ b/Lib/functions.c
@@ -0,0 +1,27 @@
+/*
+ *		miscellaneous functions
+ *		-----------------------
+ *
+ * new:  Thu Aug 15 09:55:36 UTC 2024
+ *
+ */
+
+#include  <stdio.h>
+#include  <sys/time.h>
+
+#include  "../tthimage.h"
+
+/* ------------------------------------------------------------------- */
+/*
+ *	for what FSCKING reason, this func is not in the stdlib ???
+ */
+double tthi_dtime(void)
+{
+struct timeval  t;
+double          d;
+(void)gettimeofday(&t, NULL);
+d = (double)t.tv_sec + (double)t.tv_usec / 1e6;
+return d;
+}
+/* ------------------------------------------------------------------- */
+/* ------------------------------------------------------------------- */
--- a/Lib/gadgrect.c
+++ b/Lib/gadgrect.c
@@ -105,7 +105,7 @@ return FULL_NUCKED;
 }
 /*::------------------------------------------------------------------::*/
 /*
- * attr,yion parametres bizarres
+ *	attention parametres bizarres
 */
 int Image_gadrct_poke_from_tga(char *namesrc, Image_Rect *fromrect,
 			Image_Desc *dst, int xdst, int ydst, int flags)
--- a/Lib/gamma.c
+++ b/Lib/gamma.c
@@ -5,7 +5,7 @@

 #include  <stdio.h>
 #include  <math.h>
-#include  "tthimage.h"
+#include  "../tthimage.h"

 /*::------------------------------------------------------------------::*/
 /*
@@ -32,5 +32,3 @@ for (foo=0; foo<256; foo++)
 return FULL_NUCKED;
 }
 /*::------------------------------------------------------------------::*/
-
-/*::------------------------------------------------------------------::*/
--- a/Lib/glitch.c
+++ b/Lib/glitch.c
@@ -29,9 +29,9 @@ switch (code)
 		abort();
 		break;
 	}
-#if DEBUG_LEVEL
-fprintf(stderr, "%s -> %d\n", __func__, foo);
-#endif
+if (foo) {
+	fprintf(stderr, "%s got a %d\n", __func__, foo);
+	}

 return FULL_NUCKED;
 }
@@ -53,9 +53,9 @@ for (nbre=0; nbre<k; nbre++)
 	{
 	x = rand() % src->width;
 	y = rand() % src->height;
-	d = rand() & 3;
 	Image_getRGB(src, x, y, &r, &g, &b);

+	d = rand() & 3;
 	switch (d)
 		{
 		case 0:
@@ -124,6 +124,9 @@ for (nbre=0; nbre<k; nbre++)
 			for (v=y; v<src->height; v++)
 				Image_plotRGB(dst, x, v, r, g, b);
 			break;
+		default:
+			fprintf(stderr, "blurg in %s\n", __func__);
+			return PASTIS;
 		}
 	}
 	
--- a/Lib/gradient.c
+++ b/Lib/gradient.c
@@ -0,0 +1,60 @@
+/*
+			gradient.c
+			----------
+
+	new: 	Sun Sep 17 20:47:57 UTC 2023
+
+*/
+
+#include  <stdio.h>
+#include  <string.h>
+#include  <stdlib.h>
+#include  <math.h>
+
+#include  "../tthimage.h"
+
+/*::------------------------------------------------------------------::*/
+int Image_plot_H_gradient(char *fname, int w, int h)
+{
+Image_Desc		*img;
+int			x, y, pix, foo;
+float			fval;
+
+if ( (img = Image_alloc(w, h, IMAGE_RGB)) == NULL )	{
+#if DEBUG_LEVEL
+	fprintf(stderr, "%s: alloc of img failed, file=%s\n", __func__, fname);
+#endif
+	return IMAGE_NO_MEM;
+	}
+
+for (x=0; x<w; x++) {
+	fval = (float)x / (float)(w-1);
+	pix = (int)(fval * 255.0);
+#if DEBUG_LEVEL > 1
+	printf("%5d    %6.3f    %5d\n", x, fval, pix);
+#endif
+	for (y=0; y<h; y++) {
+		(img->Rpix[y])[x] = pix;
+		(img->Gpix[y])[x] = pix;
+		(img->Bpix[y])[x] = pix;
+		}
+	}
+
+foo = Image_TGA_save(fname, img, 0);
+if (foo) {
+	fprintf(stderr, "%s: err write to '%s'\n", __func__, fname);
+	return FULL_NUCKED;
+	}
+
+Image_DeAllocate(img);	free(img);
+
+return FUNC_IS_BETA;
+}
+
+/*::------------------------------------------------------------------::*/
+int Image_plot_V_gradient(char *fname, int w, int h)
+{
+
+return FUNC_IS_ALPHA;
+}
+/*::------------------------------------------------------------------::*/
--- a/Lib/image.c
+++ b/Lib/image.c
@@ -13,25 +13,24 @@
 #include  "../tthimage.h"

 /*::------------------------------------------------------------------::*/
-void
-Image_print_version(int flag)
+void Image_print_version(int flag)
 {
 char	*ptr;

 fflush(stdout);
-printf("-+- This is the `tthimage' library v%s (wtfyw 2022) tTh\n",
+fprintf(stderr, "-+- This is the `tthimage' library v%s (wtfyw 2024) tTh\n",
                                    IMAGE_VERSION_STRING);
 if (flag)
    {
 /* this information is only correct IF you touch image.c before
 * running 'make' utility */
-    printf(" +  compiled : %s, %s\n", __DATE__, __TIME__);
+    fprintf(stderr, " +  compiled : %s, %s\n", __DATE__, __TIME__);
    }
 if (flag > 1)
    {
-    printf(" +  DESTDIR  = %s\n", DESTDIR);
-    printf(" +  SHAREDIR = %s\n", SHAREDIR);
-    printf(" +  CC OPTS  = %s\n", CC_OPTS);
+    fprintf(stderr, " +  DESTDIR  = %s\n", DESTDIR);
+    fprintf(stderr, " +  SHAREDIR = %s\n", SHAREDIR);
+    fprintf(stderr, " +  CC OPTS  = %s\n", CC_OPTS);
    }
 fflush(stdout);

@@ -94,8 +93,7 @@ return 0;
 *          on the structure who describe the image.
 *          - - - > don't "free" this pointer, please.
 */
-Image_Desc *
-Image_alloc(int width, int height, int type)
+Image_Desc * Image_alloc(int width, int height, int type)
 {
 Image_Desc   *header;
 int             foo;
@@ -193,19 +191,18 @@ return header;
 /*
      This fonction build another image from a model.
 */
-Image_Desc *
-Image_clone (Image_Desc *src, int copy)
+Image_Desc * Image_clone (Image_Desc *src, int copy)
 {
 Image_Desc *image;

-if ( src==NULL )
+if ( NULL == src )
    {
    fprintf(stderr, "Image_clone: source descriptor is NULL\n");
    exit(5);
    }

 image = Image_alloc(src->width, src->height, src->type);
-if ( image==NULL )
+if ( NULL == image )
    {
    fprintf(stderr, "Image_clone: cloned descriptor is NULL\n");
    exit(5);
@@ -247,20 +244,16 @@ return FUNC_IS_ALPHA;
 *	Helas, cette fonction ne marche que sur les images RGB
 *	et comment la rendre compatible tout-types sans tout casser ?
 */
-int
-Image_clear( Image_Desc *image, int r, int g, int b )
+int Image_clear( Image_Desc *image, int r, int g, int b )
 {
 int     x, y;

-if (image->type == IMAGE_RGB)
-    {
-    for (y=0; y<image->height; y++)
-        {
+if (image->type == IMAGE_RGB) {
+    for (y=0; y<image->height; y++) {
 		/*
 		 * XXX here we can go faster with a few memset
 		 */
-        for (x=0; x<image->width; x++)
-            {
+        for (x=0; x<image->width; x++) {
 	    (image->Rpix[y])[x] = r;
 	    (image->Gpix[y])[x] = g;
 	    (image->Bpix[y])[x] = b;
@@ -270,12 +263,9 @@ if (image->type == IMAGE_RGB)
    return 0;		/* ok, this 'return' here is a "spleyterie" :) */
    }

-if (image->type == IMAGE_RGBA)
-    {
-    for (y=0; y<image->height; y++)
-        {
-        for (x=0; x<image->width; x++)
-            {
+if (image->type == IMAGE_RGBA) {
+    for (y=0; y<image->height; y++) {
+        for (x=0; x<image->width; x++) {
 	    (image->Rpix[y])[x] = r;
 	    (image->Gpix[y])[x] = g;
 	    (image->Bpix[y])[x] = b;
@@ -290,12 +280,40 @@ fprintf(stderr, "%s : invalid image type %d : %s\n", __func__,
 return IMAGE_BAD_TYPE;
 }
 /*::------------------------------------------------------------------::*/
+/*	new: Sat Sep 23 19:07:03 UTC 2023
+ *
+ */
+int Image_set_rgb(Image_Desc *img, RGBA *rgba)
+{
+int		x, y;
+
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %p )   %d %d %d\n", __func__, img,
+			rgba, rgba->r, rgba->g, rgba->b);
+#endif
+
+if (IMAGE_RGB != img->type) {
+	fprintf(stderr, "%s : invalid image type %d : %s\n", __func__,
+				img->type, Image_type2str(img->type));
+	return IMAGE_BAD_TYPE;
+	}
+
+for (y=0; y<img->height; y++) {
+	for (x=0; x<img->width; x++) {
+		/* please, use memset here */
+		(img->Rpix[y])[x] = rgba->r;
+		(img->Gpix[y])[x] = rgba->g;
+		(img->Bpix[y])[x] = rgba->b;
+		}
+	}
+return FUNC_IS_BETA;
+}
+/*::------------------------------------------------------------------::*/
 /*
 *	every image in memory have a comment field, who is writen
 *	in TGA and PNM file when image is saved.
 */
-int
-Image_set_comment(Image_Desc *image, char *text)
+int Image_set_comment(Image_Desc *image, char *text)
 {
 if (strlen(text) > IMG_OBJCOMMENT_LEN)
        return STRING_TOO_LONG;
@@ -304,8 +322,7 @@ return OLL_KORRECT;
 }
 /* 10 nov 2001: no #define for this not-so-magic 254 value ? */
 /*::------------------------------------------------------------------::*/
-int
-Image_plot_gray(Image_Desc *img, int x, int y, int v)
+int Image_plot_gray(Image_Desc *img, int x, int y, int v)
 {
 if ( x<0 || y<0 || x>=img->width || y>=img->height )
    {
@@ -325,8 +342,7 @@ int Image_plotRGB(Image_Desc *img, int x, int y, int r, int g, int b)
 fprintf(stderr, "PLOTRGB %d %d\n", x, y);
 #endif

-if ( x<0 || y<0 || x>=img->width || y>=img->height )
-    {
+if ( x<0 || y<0 || x>=img->width || y>=img->height ) {
    fprintf(stderr, "Errplot RGB X=%d,  Y=%d     %d, %d, %d\n", x, y, r, g, b);
 #if FORCE_ABORT
 	abort();
@@ -341,8 +357,7 @@ return OLL_KORRECT;

 int Image_plotRGBA(Image_Desc *img, int x, int y, int r, int g, int b, int a)
 {
-if ( x<0 || y<0 || x>=img->width || y>=img->height )
-    {
+if ( x<0 || y<0 || x>=img->width || y>=img->height ) {
 /* may be an #if DEBUG_LEVEL here ? */
    fprintf(stderr, "Errplot RGBA   X %4d   Y %4d     %d, %d, %d, %d\n",
 				 x, y,		  r, g, b, a);
@@ -360,11 +375,9 @@ if ( x<0 || y<0 || x>=img->width || y>=img->height )
 return OLL_KORRECT;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_getRGB(Image_Desc *img, int x, int y, int *pr, int *pg, int *pb)
+int Image_getRGB(Image_Desc *img, int x, int y, int *pr, int *pg, int *pb)
 {
-if ( x<0 || y<0 || x>=img->width || y>=img->height )
-    {
+if ( x<0 || y<0 || x>=img->width || y>=img->height ) {
 /* may be an #if DEBUG_LEVEL here ? */
    fprintf(stderr, "ERR GETRGB  X %4d   Y %4d\n", x, y);
 #if FORCE_ABORT
@@ -380,11 +393,9 @@ if ( x<0 || y<0 || x>=img->width || y>=img->height )
 return OLL_KORRECT;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_getRGBA(Image_Desc *img, int x, int y, int *pr, int *pg, int *pb, int *pa)
+int Image_getRGBA(Image_Desc *img, int x, int y, int *pr, int *pg, int *pb, int *pa)
 {
-if ( x<0 || y<0 || x>=img->width || y>=img->height )
-    {
+if ( x<0 || y<0 || x>=img->width || y>=img->height ) {
    fprintf(stderr, "ERR GETRGBA  X %4d   Y %4d\n", x, y);
 #if FORCE_ABORT
 	abort();
@@ -392,10 +403,9 @@ if ( x<0 || y<0 || x>=img->width || y>=img->height )
    return OUT_OF_IMAGE;
    }

-if (img->type != IMAGE_RGBA)
-    {
-    fprintf(stderr, "Image get RGBA: bad image type: %d, %s\n",
-					img->type, Image_type2str(img->type));
+if (img->type != IMAGE_RGBA) {
+    fprintf(stderr, "%s: bad image type: %d, %s\n",
+					__func__, img->type, Image_type2str(img->type));
 #if FORCE_ABORT
 	abort();
 #endif
@@ -416,16 +426,14 @@ return OLL_KORRECT;
 */
 int Image_plot_channel(Image_Desc *img, char channel, int x, int y, int value)
 {
-if ( x<0 || y<0 || x>=img->width || y>=img->height )
-    {
+if ( x<0 || y<0 || x>=img->width || y>=img->height ) {
 #if DEBUG_LEVEL
    fprintf(stderr, "ERR PLOTCHANNEL  X %4d   Y %4d\n", x, y); 
 #endif
    return OUT_OF_IMAGE;
    }

-switch (channel)
-	{
+switch (channel) {
 	case 'r': case 'R': (img->Rpix[y])[x] = (uint8_t)(value&0xff); break;
 	case 'g': case 'G': (img->Gpix[y])[x] = (uint8_t)(value&0xff); break;
 	case 'b': case 'B': (img->Bpix[y])[x] = (uint8_t)(value&0xff); break;
@@ -439,44 +447,36 @@ return OLL_KORRECT;
 /*
      lecture d'une des composantes de l'image.
 */
-int
-Image_R_pixel(Image_Desc *img, int x, int y)
+int Image_R_pixel(Image_Desc *img, int x, int y)
 {
-if ( x<0 || y<0 || x>=img->width || y>=img->height )
-    {
+if ( x<0 || y<0 || x>=img->width || y>=img->height ) {
    fprintf(stderr, "ERR READ R PIX  X%d Y%d\n", x, y);
    return OUT_OF_IMAGE;
    }
 return (int)((img->Rpix[y])[x]);
 }

-int
-Image_G_pixel(Image_Desc *img, int x, int y)
+int Image_G_pixel(Image_Desc *img, int x, int y)
 {
-if ( x<0 || y<0 || x>=img->width || y>=img->height )
-    {
+if ( x<0 || y<0 || x>=img->width || y>=img->height ) {
    fprintf(stderr, "ERR READ G PIX  X%d Y%d\n", x, y);
    return OUT_OF_IMAGE;
    }
 return (int)((img->Gpix[y])[x]);
 }

-int
-Image_B_pixel(Image_Desc *img, int x, int y)
+int Image_B_pixel(Image_Desc *img, int x, int y)
 {
-if ( x<0 || y<0 || x>=img->width || y>=img->height )
-    {
+if ( x<0 || y<0 || x>=img->width || y>=img->height ) {
    fprintf(stderr, "ERR READ B PIX  X%d Y%d\n", x, y);
    return OUT_OF_IMAGE;
    }
 return (int)((img->Bpix[y])[x]);
 }

-int
-Image_A_pixel(Image_Desc *img, int x, int y)
+int Image_A_pixel(Image_Desc *img, int x, int y)
 {
-if ( x<0 || y<0 || x>=img->width || y>=img->height )
-    {
+if ( x<0 || y<0 || x>=img->width || y>=img->height ) {
    fprintf(stderr, "ERR A PIX  X%d Y%d\n", x, y);
    return OUT_OF_IMAGE;
    }
@@ -487,19 +487,16 @@ return (int)((img->Apix[y])[x]);
      cette fonction ne marche que si les deux images
      sont allouees et de meme dimensions.
 */
-int
-Image_copy(Image_Desc *src, Image_Desc *dst)
+int Image_copy(Image_Desc *src, Image_Desc *dst)
 {
 int     foo;

-if ( (foo=Image_compare_desc(src, dst)) )
-    {
-    fprintf(stderr, "Image_Copy: images are differents %d\n", foo);
+if ( (foo=Image_compare_desc(src, dst)) ) {
+    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
    return foo;
    }

-for (foo=0; foo<src->height; foo++)
-    {
+for (foo=0; foo<src->height; foo++) {
    memcpy(dst->Rpix[foo], src->Rpix[foo], src->width);
    memcpy(dst->Gpix[foo], src->Gpix[foo], src->width);
    memcpy(dst->Bpix[foo], src->Bpix[foo], src->width);
@@ -521,10 +518,9 @@ return 0;
 }
 /*::------------------------------------------------------------------::*/
 /*
- *	no boundary control ?
+ *	no boundary control ? XXX
 */
-int
-Image_pixel_copy(Image_Desc *s, int x, int y, Image_Desc *d, int i, int j)
+int Image_pixel_copy(Image_Desc *s, int x, int y, Image_Desc *d, int i, int j)
 {

 (d->Rpix[j])[i] = (s->Rpix[y])[x];
@@ -538,21 +534,18 @@ return OLL_KORRECT;
 * Le nom de cette fonction n'a pas trop de rapport avec ce qu'elle fait,
 * mais elle permet de faire reculer Crash Coredump.
 */
-int
-Image_compare_desc(Image_Desc *a, Image_Desc *b)
+int Image_compare_desc(Image_Desc *a, Image_Desc *b)
 {
-char	*fmt = "Image at %p have no 'Dead Beef' in it\n";
+char	*fmt = "%s: Image at %p have no 'Dead Beef' in it\n";

 if ( (a==NULL) || (b==NULL) )   return NULL_DESCRIPTOR;

-if ( a->magic != MAGIC_OF_IMAGE )
-	{
-	fprintf(stderr, fmt, a);
+if ( a->magic != MAGIC_OF_IMAGE ) {
+	fprintf(stderr, fmt, __func__, a);
 	return NOT_AN_IMAGE_DESC;
 	}
-if ( b->magic != MAGIC_OF_IMAGE )
-	{
-	fprintf(stderr, fmt, a);
+if ( b->magic != MAGIC_OF_IMAGE ) {
+	fprintf(stderr, fmt, __func__, a);
 	return NOT_AN_IMAGE_DESC;
 	}

@@ -570,8 +563,7 @@ return OLL_KORRECT;
 		c'est qu'il reste un pointeur fou chez
 		l'appelant ...
 */
-int
-Image_DeAllocate(Image_Desc *im)
+int Image_DeAllocate(Image_Desc *im)
 {
 int     line;

--- a/Lib/marques.c
+++ b/Lib/marques.c
@@ -38,12 +38,10 @@ Image_marque_1(Image_Desc *img, char *texte, int flags)
 RGBA		papier, encre;
 int		len;

-#if DEBUG_LEVEL
 if (flags)
 	{
 	fprintf(stderr, "*** %s 'flags' must be ZERO ***\n", __func__);
 	}
-#endif

 len = strlen(texte);
 if (len < 1)	return FULL_NUCKED;
@@ -110,22 +108,19 @@ fprintf(stderr, "%s: '%s' %s\n", __func__, texte, ptr);
 #endif

 papier.r = papier.g = papier.b = papier.a = 0;
-if (rgba == NULL)
-	{
+if (NULL == rgba) {
 	encre.r = encre.g = encre.b = 90, encre.a = 255;
 	rgba = &encre;
 	}
 	
-if (flags & 1)
-	{
+if (flags & 1) {
 	rect.x = rect.y = 3;
 	rect.h = 11;	rect.w = l1*8+2;
 	Image_paint_rect(img, &rect, 255, 255, 255);
 	}
 Image_trace_chaine_1(img, texte, 5, 6, "libimage.fonte",  &papier, rgba);

-if (flags & 1)
-	{
+if (flags & 1) {
 	rect.x = 3;	rect.y = 16;
 	rect.h = 11;	rect.w = l2*8+2;
 	Image_paint_rect(img, &rect, 255, 255, 255);
@@ -133,10 +128,6 @@ if (flags & 1)

 Image_trace_chaine_1(img, ptr, 5, 18, NULL, &papier, rgba);

-#if DEBUG_LEVEL
-fprintf(stderr, "done %s\n", __func__);
-#endif
-
 img->modified = 1;

 return FUNC_IS_BETA;
@@ -145,8 +136,7 @@ return FUNC_IS_BETA;
 /*
 * Pour centrer la grille, il faut jouer sur 'ox' et 'oy' ?
 */
-int
-Image_grille(Image_Desc *im, int stx, int ox, int sty, int oy, RGBA *ink)
+int Image_grille(Image_Desc *im, int stx, int ox, int sty, int oy, RGBA *ink)
 {
 int		x, y, foo;
 RGBA		encre;
@@ -167,16 +157,13 @@ if (ink == NULL) {
 fprintf(stderr, "%s   X: %d %d   Y: %d %d\n", __func__, ox, stx, oy, sty); 
 #endif

-for (x=ox; x<im->width; x+=stx)
-	{
+for (x=ox; x<im->width; x+=stx)	{
 	for (foo=0; foo<im->height; foo++)
 		Image_plotRGB(im, x, foo, ink->r, ink->g, ink->b);	
 	}
 	
-for (y=oy; y<im->height; y+=sty)
-	{
-	for (foo=0; foo<im->width; foo++)
-		{
+for (y=oy; y<im->height; y+=sty) {
+	for (foo=0; foo<im->width; foo++) {
 		Image_plotRGB(im, foo, y, ink->r, ink->g, ink->b);	
 		}
 	}
@@ -189,14 +176,12 @@ return FUNC_IS_BETA;
 /*
 * Pour centrer la grille, il faut jouer sur 'ox' et 'oy' ?
 */
-int
-Image_grille_xor(Image_Desc *im, int stx, int ox, int sty, int oy, RGBA *ink)
+int Image_grille_xor(Image_Desc *im, int stx, int ox, int sty, int oy, RGBA *ink)
 {
 int		x, y, foo;
 RGBA		encre;

-if (ink == NULL)
-	{
+if (ink == NULL) {
 	fprintf(stderr, "%s is using default XOR values\n", __func__);
 	encre.r = encre.g = encre.b = encre.a = 0xff;
 	ink = &encre;
@@ -206,18 +191,14 @@ if (ink == NULL)
 fprintf(stderr, "%s   X %d %d   Y %d %d\n", __func__, ox, stx, oy, sty); 
 #endif

-for (x=ox; x<im->width; x+=stx)
-	{
-	for (foo=0; foo<im->height; foo++)
-		{
+for (x=ox; x<im->width; x+=stx)	{
+	for (foo=0; foo<im->height; foo++) {
 		Image_XOR_pixel(im, x, foo, ink->r, ink->g, ink->b);	
 		}
 	}
 	
-for (y=oy; y<im->height; y+=sty)
-	{
-	for (foo=0; foo<im->width; foo++)
-		{
+for (y=oy; y<im->height; y+=sty) {
+	for (foo=0; foo<im->width; foo++) {
 		Image_XOR_pixel(im, foo, y, ink->r, ink->g, ink->b);	
 		}
 	}
--- a/Lib/mircol.c
+++ b/Lib/mircol.c
@@ -7,6 +7,7 @@
 #include   <stdlib.h>
 #include   <time.h>
 #include   <math.h>
+
 #include   "../tthimage.h"

 /*::------------------------------------------------------------------::*/
@@ -15,25 +16,20 @@ int Image_mircol_0(Image_Desc *dst, char *txt, int flag)
 int	x, y;
 RGBA	fond, encre;

-if (dst->width < 512 || dst->height < 512)
-	{
+if (dst->width < 512 || dst->height < 512) {
 	fprintf(stderr, "Image mircol 0: image %p < 512x512\n", dst);
 	return IMAGE_TOO_SMALL;
 	}

-if (0 != flag)
-	{
-	fprintf(stderr, "%s -> flag is %d and must be 0\n", __func__, flag);
+if (0 != flag) {
+	fprintf(stderr, "%s: flag is %d and must be 0\n", __func__, flag);
 	}
-if (NULL != txt)
-	{
-	fprintf(stderr, "%s : txt is '%s'\n", __func__, txt);
+if (NULL != txt) {
+	fprintf(stderr, "%s: txt is '%s'\n", __func__, txt);
 	}

-for (x=0; x<256; x++)
-	{
-	for (y=0; y<256; y++)
-		{
+for (x=0; x<256; x++) {
+	for (y=0; y<256; y++) {
 		Image_plotRGB(dst, x, y,	x, y, 0);
 		Image_plotRGB(dst, x+256, y,	x, 0, y);
 		Image_plotRGB(dst, x, y+256,	0, x, y);
@@ -64,22 +60,19 @@ for (x=1; x<256; x++)
 return FUNC_IS_BETA;
 }
 /*::------------------------------------------------------------------::*/
-/* a quoi sert ce flag */
+/* a quoi sert ce flag ? */
 int Image_mircol_1(Image_Desc *dst, char *txt, int flag)
 {
 RGBA	fond, encre;
 int	x, y, r, g, b;

-if (dst->width < 512 || dst->height < 512)
-	{
+if (dst->width < 512 || dst->height < 512) {
 	fprintf(stderr, "Image mircol 1: image %p < 512x512\n", dst);
 	return IMAGE_TOO_SMALL;
 	}

-for (x=0; x<512; x++)
-	{
-	for (y=0; y<512; y++)
-		{
+for (x=0; x<512; x++) {
+	for (y=0; y<512; y++) {
 		r = x;
 		g = (x + y) / 2;
 		b = y;
@@ -109,8 +102,7 @@ float	fx, fy, fd;
 fprintf(stderr, ">>>> %s ( %p '%s' %d )\n", __func__, dst, txt, mode);
 #endif

-for (y=0; y<dst->height; y++)
-	{
+for (y=0; y<dst->height; y++) {
 	fy = (float)y / (float)dst->height;
 	ky = (int)(fy * 256.0);
 	for (x=0; x<dst->width; x++)
@@ -151,21 +143,15 @@ switch (mode) {
 	case 2: p1 = &b, p2 = &r, p3 = &g;		break;

 	default:
-		fprintf(stderr, "switch/case error in %s:%d\n", 
-							__func__, __LINE__);
-#if FORCE_ABORT
-		abort();
-#endif
-		break;
+		fprintf(stderr, "case error in %s:%d\n", __func__, __LINE__);
+		return BAD_PARAMETER;
 	}

 mystk = 0.90;		/* FIXME */

-for (y=0; y<dst->height; y++)
-	{
+for (y=0; y<dst->height; y++) {
 	fy = (float)y / (float)dst->height;
-	for (x=0; x<dst->width; x++)
-		{
+	for (x=0; x<dst->width; x++) {
 		fx = (float)x / (float)dst->width;

 		*p1 = (int)((fx*fy) * 255);
@@ -189,7 +175,7 @@ for (y=0; y<dst->height; y++)
 	}

 #if DEBUG_LEVEL > 1
-fprintf(stderr, "%s : verifier le resultat, svp.\n", __func__);
+fprintf(stderr, "%s: verifier le resultat, svp.\n", __func__);
 #endif

 return FUNC_IS_BETA;
@@ -206,8 +192,7 @@ float	fx, fx2, fy, dist;
 fprintf(stderr, ">>>> %s ( %p '%s' %d )\n", __func__, dst, txt, mode);
 #endif

-switch (mode)
-	{
+switch (mode) {
 	case 0:	p1 = &r, p2 = &g, p3 = &b;		break;
 	case 1: p1 = &g, p2 = &b, p3 = &r;		break;
 	case 2: p1 = &b, p2 = &r, p3 = &g;		break;
@@ -219,13 +204,11 @@ switch (mode)
 		break;
 	}

-for (y=0; y<dst->height; y++)
-	{
+for (y=0; y<dst->height; y++) {
 	fy = (float)y / (float)dst->height;
-	for (x=0; x<dst->width; x++)
-		{
+	for (x=0; x<dst->width; x++) {
 		fx = (float)x / (float)dst->width;
-		/* FIXME TODO */
+		/* FIXME TODO OMG WTF XXX */
 		}
 	}

@@ -261,22 +244,19 @@ return FUNC_IS_BETA;
 }
 /*::------------------------------------------------------------------::*/
 /* le bit 0 du flag controle l'ecriture des noms de composantes */
-int
-Image_decompose(Image_Desc *src, Image_Desc *dst, int flag)
+int Image_decompose(Image_Desc *src, Image_Desc *dst, int flag)
 {
 int		foo, x, y, hx, hy;
 Image_Desc	*moitie;
 int		r, g, b;

-if ( (foo=Image_compare_desc(src, dst)) )
-	{
+if ( (foo=Image_compare_desc(src, dst)) ) {
 	fprintf(stderr, "%s: bad dimensions %d\n", __func__, foo);
 	return foo;
 	}

 moitie = Image_MakeHalfSize(src, 1);
-if (moitie == NULL)
-	{
+if (moitie == NULL) {
 	fprintf(stderr, "Image Decompose: NO MEM\n");
 	exit(5);
 	}
@@ -287,10 +267,8 @@ if (0 != flag)
 hx = moitie->width;
 hy = moitie->height;

-for (x=0; x<moitie->width; x++)
-	{
-	for (y=0; y<moitie->height; y++)
-		{
+for (x=0; x<moitie->width; x++)	{
+	for (y=0; y<moitie->height; y++) {
 		Image_getRGB(moitie, x, y, &r, &g, &b);
 		Image_plotRGB(dst, x, y, r, r, r);
 		Image_plotRGB(dst, x+hx, y, g, g, g);
@@ -302,8 +280,7 @@ for (x=0; x<moitie->width; x++)
 /* faire le menage */
 Image_DeAllocate(moitie);	free(moitie);

-if (flag & 1)
-	{
+if (flag & 1) {
 	RGBA	ink, pap;	/* hu ho ? local vars here ? */
 	Image_load_fnt8x8("libimage.fonte", NULL, 0);
 	pap.a = 0;	ink.a = 255;
--- a/Lib/morpho.c
+++ b/Lib/morpho.c
@@ -27,33 +27,24 @@ static struct
 *	=============================
 * 23 avril 2007: switched to direct pixel access.
 */
-int
-Image_expand_max(Image_Desc *src, Image_Desc *dst, int factor)
+int Image_expand_max(Image_Desc *src, Image_Desc *dst, int factor)
 {
 int	foo, x, y, maxr, maxg, maxb;
 int	r, g, b;

-if ( (foo=Image_compare_desc(src, dst)) )
-	{
+if ( (foo=Image_compare_desc(src, dst)) ) {
+	fprintf(stderr, "%s: images non compatibles\n", __func__);
 	return foo;
 	}

-if ( 0 != factor )
-	{
+if ( 0 != factor ) {
 	fprintf(stderr, "%s: factor (%d) must be 0\n", __func__, factor);
 	}

-#if DEBUG_LEVEL
-fprintf(stderr, "expanding MAX %p to %p\n", src, dst);
-#endif
-
-for (y=1; y<src->height-1; y++)
-	{
-	for (x=1; x<src->width-1; x++)
-		{
+for (y=1; y<src->height-1; y++) {
+	for (x=1; x<src->width-1; x++) {
 		maxr = maxg = maxb = 0;
-		for (foo=0; foo<9; foo++)
-			{
+		for (foo=0; foo<9; foo++) {
 			/* XXX Faster pussy cat !
 			Image_getRGB(src, x+deltas[foo].x, y+deltas[foo].y,
 					&r, &g, &b);	
@@ -78,19 +69,16 @@ dst->modified = 1;
 return 0;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_expand_min(Image_Desc *src, Image_Desc *dst, int factor)
+int Image_expand_min(Image_Desc *src, Image_Desc *dst, int factor)
 {
 int	foo, x, y, minr, ming, minb;
 int	r, g, b;

-if ( (foo=Image_compare_desc(src, dst)) )
-	{
+if ( (foo=Image_compare_desc(src, dst)) ) {
 	return foo;
 	}

-if ( 0 != factor )
-	{
+if ( 0 != factor ) {
 	fprintf(stderr, "%s: factor (%d) must be 0\n", __func__, factor);
 	}

@@ -98,13 +86,10 @@ if ( 0 != factor )
 fprintf(stderr, "expanding MIN %p to %p\n", src, dst);
 #endif

-for (y=1; y<src->height-1; y++)
-	{
-	for (x=1; x<src->width-1; x++)
-		{
+for (y=1; y<src->height-1; y++)	{
+	for (x=1; x<src->width-1; x++) {
 		minr = ming = minb = 1664;
-		for (foo=0; foo<9; foo++)
-			{
+		for (foo=0; foo<9; foo++) {
 			Image_getRGB(src, x+deltas[foo].x, y+deltas[foo].y,
 					&r, &g, &b);	

@@ -133,8 +118,7 @@ Image_sortmat_display(FILE *ou, struct sort_pixel *table)
 fprintf(ou, "%s ( %p )\n", __func__, table);
 }

-int
-Image_Gray_Sorted_Points(Image_Desc *src, Image_Desc *dst, int *filtre)
+int Image_Gray_Sorted_Points(Image_Desc *src, Image_Desc *dst, int *filtre)
 {
 int	x, y, r, g, b;
 int	foo, gris;
@@ -145,13 +129,10 @@ struct sort_pixel pixels[9];
 fprintf(stderr, "Image Gray Sorted Points: %p -> %p\n", src, dst);
 #endif

-for (y=1; y<src->height-1; y++)
-	{
-	for (x=1; x<src->width-1; x++)
-		{
+for (y=1; y<src->height-1; y++)	{
+	for (x=1; x<src->width-1; x++) {
 		/* collecte des infos sur les voisins. */
-		for (foo=0; foo<9; foo++)
-			{
+		for (foo=0; foo<9; foo++) {
 			Image_getRGB(src, x+deltas[foo].x, y+deltas[foo].y,
 					&r, &g, &b);	

--- a/Lib/msglib.c
+++ b/Lib/msglib.c
@@ -9,13 +9,11 @@
 #include   "../tthimage.h"

 /*::------------------------------------------------------------------::*/
-char *
-Image_type2str(int type)
+char * Image_type2str(int type)
 {
 char	*pstr;

-switch (type)
-	{
+switch (type) {
 	case IMAGE_RGB:		pstr = "RGB";		break;
 	case IMAGE_RGBA:	pstr = "RGBA";		break;
 	case IMAGE_GRAY:	pstr = "Gray";		break;
@@ -29,14 +27,12 @@ switch (type)
 return pstr;
 }
 /*::------------------------------------------------------------------::*/
-char *
-Image_err2str(int codeerr)
+char * Image_err2str(int codeerr)
 {
 char	*pstr;
 static	char chaine[100];

-switch (codeerr)
-	{
+switch (codeerr) {
 	case -1:		pstr = "error: invalid error";	break;
 	case OLL_KORRECT:	pstr = "no error";		break;
 	case 42:		pstr = "Universal answer";	break;
@@ -114,7 +110,8 @@ switch (codeerr)
 		sprintf(chaine, "error code %d is unknow", codeerr);
 		pstr = chaine;
 #if DEBUG_LEVEL
-		fprintf(stderr, "* WTF ? Error %d unknow ?\n", codeerr);
+		fprintf(stderr, "%s: WTF ? Error %d unknow ?\n",
+				__func__,	codeerr);
 #if FORCE_ABORT
 		abort();
 #endif
@@ -125,8 +122,7 @@ return pstr;
 }
 /*::------------------------------------------------------------------::*/
 /* new 14 Feb 2000							*/
-void
-Image_print_error(char * texte, int err)
+void Image_print_error(char * texte, int err)
 {
 FILE	*fp;
 char	*errtxt;
@@ -145,4 +141,3 @@ fprintf(fp, "%s '%s': %d, %s\n", err ? "Error :" : "Waouh !",
 fflush(fp);
 }
 /*::------------------------------------------------------------------::*/
-
--- a/Lib/op2x2.c
+++ b/Lib/op2x2.c
@@ -13,12 +13,10 @@
 *	6 Fev 2001: on aimerait bien avoir la doc de cette fonction
 *	27 Juillet 2008: on attend toujours...
 */
-int
-Image_2x2_contours_0(Image_Desc *im)
+int Image_2x2_contours_0(Image_Desc *im)
 {
 int	x, y, q;
-int	tbl[] = 
-	{
+int	tbl[] = {
 	0,	1,	1,	1,
 	1,	1,	0,	1,
 	1,	0,	1,	1,
@@ -29,10 +27,8 @@ int	tbl[] =
 fprintf(stderr, "%s : w=%d h=%d\n", __func__, im->width, im->height);
 #endif

-for (x=0; x<(im->width-1); x++)
-	{
-	for (y=0; y<(im->height-1); y++)
-		{
+for (x=0; x<(im->width-1); x++)	{
+	for (y=0; y<(im->height-1); y++) {
 		q = ((im->Rpix[y]  [x]   ? 0 : 1) << 3 ) |
 		    ((im->Rpix[y]  [x+1] ? 0 : 1) << 2 ) |
 		    ((im->Rpix[y+1][x]   ? 0 : 1) << 1 ) |
@@ -58,14 +54,13 @@ return OLL_KORRECT;
 /*::------------------------------------------------------------------::*/
 /* updated 31 august 2008 */
 /* le seul bit utilise dans l'image source est le bit 7  */
-int
-Image_2x2_contours_1(Image_Desc *src, Image_Desc *dst)
+int Image_2x2_contours_1(Image_Desc *src, Image_Desc *dst)
 {
 int	foo;
 int	x, y, q;

-if ( (foo=Image_compare_desc(src, dst)) )
-	{
+if ( (foo=Image_compare_desc(src, dst)) ) {
+	fprintf(stderr, "%s: err compare %d\n", __func__, foo);
 	return foo;
 	}
 #if DEBUG_LEVEL
@@ -73,10 +68,8 @@ fprintf(stderr, "*** %s *** catastrophic function :)\n", __func__);
 #endif
 Image_clear(dst, 0, 0, 0);

-for (x=0; x<(src->width-1); x++)
-	{
-	for (y=0; y<(src->height-1); y++)
-		{
+for (x=0; x<(src->width-1); x++) {
+	for (y=0; y<(src->height-1); y++) {
 		q = ((0x80 & (src->Rpix[y]  [x]  ) ? 0 : 1) << 3 ) |
 		    ((0x80 & (src->Rpix[y]  [x+1]) ? 0 : 1) << 2 ) |
 		    ((0x80 & (src->Rpix[y+1][x]  ) ? 0 : 1) << 1 ) |
@@ -101,8 +94,7 @@ return FUNC_IS_BETA;
 /*
 *	6 Fev 2001: on aimerait bien avoir la doc de cette fonction
 */
-int
-Image_2x2_contrast(Image_Desc *src, Image_Desc *dst)
+int Image_2x2_contrast(Image_Desc *src, Image_Desc *dst)
 {
 int	foo, x, y, r, g, b;
 int	mir, mig, mib, mar, mag, mab;
@@ -110,19 +102,16 @@ int	mir, mig, mib, mar, mag, mab;
 int	dx[4] = { 0, 1, 0, 1 };
 int	dy[4] = { 0, 0, 1, 1 };

-if ( (foo=Image_compare_desc(src, dst)) )
-	{
+if ( (foo=Image_compare_desc(src, dst)) ) {
+	fprintf(stderr, "%s: err compare %d\n", __func__, foo);
 	return foo;
 	}

-for (y=0; y<src->height-1; y++)
-	{
-	for (x=0; x<src->width-1; x++)
-		{
+for (y=0; y<src->height-1; y++)	{
+	for (x=0; x<src->width-1; x++) {
 		mir = mig = mib = 342;
 		mar = mag = mab = -42;
-		for (foo=0; foo<4; foo++)
-			{
+		for (foo=0; foo<4; foo++) {
 			r = (src->Rpix[y+dy[foo]])[x+dx[foo]];
 			g = (src->Gpix[y+dy[foo]])[x+dx[foo]];
 			b = (src->Bpix[y+dy[foo]])[x+dx[foo]];
@@ -148,8 +137,7 @@ return FUNC_IS_BETA;
 /*
 *	6 Fev 2001: on aimerait bien avoir la doc de cette fonction
 */
-int
-Image_2x2_lissage(Image_Desc *src, Image_Desc *dst)
+int Image_2x2_lissage(Image_Desc *src, Image_Desc *dst)
 {
 int	foo, x, y;
 int	tir, tig, tib;
@@ -157,8 +145,8 @@ int	tir, tig, tib;
 int	dx[4] = { 0, 1, 0, 1 };
 int	dy[4] = { 0, 0, 1, 1 };

-if ( (foo=Image_compare_desc(src, dst)) )
-	{
+if ( (foo=Image_compare_desc(src, dst)) ) {
+	fprintf(stderr, "%s: err compare %d\n", __func__, foo);
 	return foo;
 	}

@@ -166,13 +154,10 @@ if ( (foo=Image_compare_desc(src, dst)) )
 * attention, il faut bien reflechir avant de tenter d'inverser l'ordre
 * de parcours en ligne & colonne !
 */
-for (y=0; y<src->height-1; y++)
-	{
-	for (x=0; x<src->width-1; x++)
-		{
+for (y=0; y<src->height-1; y++)	{
+	for (x=0; x<src->width-1; x++) {
 		tir = tig = tib = 0;
-		for (foo=0; foo<4; foo++)
-			{
+		for (foo=0; foo<4; foo++) {
 			tir += (src->Rpix[y+dy[foo]])[x+dx[foo]];
 			tig += (src->Gpix[y+dy[foo]])[x+dx[foo]];
 			tib += (src->Bpix[y+dy[foo]])[x+dx[foo]];
@@ -189,21 +174,17 @@ return OLL_KORRECT;
 /*
 *	8 Feb 2001: another kludge (without doc)
 */
-int
-Image_2x2_rot4pix(Image_Desc *src, Image_Desc *dst, int rot)
+int Image_2x2_rot4pix(Image_Desc *src, Image_Desc *dst, int rot)
 {
 int	x, y, foo, bar, r, g, b;

 int	dx[4] = { 0, 1, 0, 1 };
 int	dy[4] = { 0, 0, 1, 1 };

-for (y=0; y<src->height-1; y+=2)
-	{
-	for (x=0; x<src->width-1; x+=2)
-		{
-		for (foo=0; foo<4; foo++)
-			{
-			bar = (foo+rot)%4;
+for (y=0; y<src->height-1; y+=2) {
+	for (x=0; x<src->width-1; x+=2)	{
+		for (foo=0; foo<4; foo++) {
+			bar = (foo+rot)%4;	/* XXX ? */
 			r = (src->Rpix[y+dy[foo]])[x+dx[foo]];
 			g = (src->Gpix[y+dy[foo]])[x+dx[foo]];
 			b = (src->Bpix[y+dy[foo]])[x+dx[foo]];
@@ -217,25 +198,4 @@ for (y=0; y<src->height-1; y+=2)
 return FUNC_IS_BETA;
 }
 /*::------------------------------------------------------------------::*/
-int Image_2x2_shiftUL(Image_Desc *src, Image_Desc *dst)
-{
-int		foo;
-
-#if DEBUG_LEVEL
-fprintf(stderr, "this func (%s) is a kluge\n", __func__);
-#endif
-
-if ( (foo=Image_compare_desc(src, dst)) )
-	{
-	return foo;
-	}
-
-/* 1er septembre 2008: je n'ai pas la moindre idee de ce que j'ai
- * voulu faire ici :) */
-
-/* 26 novembre 2009: j'arrive pas a me rappeler du pourquoi de
- * ce que doit faire cette fonction */
-
-return FULL_NUCKED;
-}
 /*::------------------------------------------------------------------::*/
--- a/Lib/operat.c
+++ b/Lib/operat.c
@@ -5,8 +5,8 @@
 25 Aout 1999: certaines fonctions utilisent 'alloca'.

 4 Fevrier 2001: je me rend compte que certaines interfaces sont trop
-	simplistes, et que définir des structures contenant de multiples
-	paramètres ne serait peut-être pas une mauvaise idée...
+	simplistes, et que definir des structures contenant de multiples
+	parametres ne serait peut-etre pas une mauvaise idee...

 16 Oct 2001: je deplace quelques fonctions dans d'autres modules.

@@ -26,8 +26,7 @@
 /*
 *	 XXX il y a un "Zero Divide" cache dans cette fonction !
 */
-int
-Image_adjust_minmax_0(Image_Desc *src, Image_Desc *dst, int yo,
+int Image_adjust_minmax_0(Image_Desc *src, Image_Desc *dst, int yo,
 				int minstone, int maxstone)
 {
 long	histR[256], histG[256], histB[256];
@@ -36,8 +35,7 @@ int	foo;
 long	mini, maxi, kmini, kmaxi, delta;
 int	idxmini, idxmaxi, val, lut[256], level;

-if (yo != 0)
-	{
+if (yo != 0) {
 	fprintf(stderr, "Yo is %d\n", yo);
 	}

@@ -58,11 +56,9 @@ fprintf(stderr, "     K maxi  = %ld\n", kmaxi);

 mini = 0;
 idxmini = 0;
-for (foo=0; foo<256; foo++)
-	{
+for (foo=0; foo<256; foo++) {
 	mini += (histR[foo] + histG[foo] + histB[foo]);
-	if (mini > kmini)
-		{
+	if (mini > kmini) {
 		fprintf(stderr, "MINI  %3d  %ld\n", foo, mini);
 		idxmini = foo;
 		break;
@@ -71,11 +67,9 @@ for (foo=0; foo<256; foo++)

 maxi = 0;
 idxmaxi = 255;
-for (foo=255; foo>=0; foo--)
-	{
+for (foo=255; foo>=0; foo--) {
 	maxi += (histR[foo] + histG[foo] + histB[foo]);
-	if (maxi > kmaxi)
-		{
+	if (maxi > kmaxi) {
 		fprintf(stderr, "MAXI  %3d  %ld\n", foo, maxi);
 		idxmaxi = foo;
 		break;
@@ -87,8 +81,7 @@ fprintf(stderr, "idxmini=%d  idxmaxi=%d  delta=%ld\n", idxmini, idxmaxi, delta);

 for (foo=0; foo<idxmini; foo++) lut[foo] = 0;
 level = 0;
-for (foo=idxmini; foo<=idxmaxi; foo++)
-	{
+for (foo=idxmini; foo<=idxmaxi; foo++) {
 	val = (level*255) / delta;
 	lut[foo] = val;
 	level++;
@@ -110,27 +103,23 @@ return FUNC_IS_BETA;
 *	et une fonction de plus ecrite a la rache, avec un nom qui 
 *	ne veut probablement rien dire :)
 */
-int
-Image_luminance(Image_Desc *src, Image_Desc *dst, int factor)
+int Image_luminance(Image_Desc *src, Image_Desc *dst, int factor)
 {
 int	foo;
 int	x, y;

-#if DEBUG_LEVEL > 1
-fprintf(stderr, "%s ( %p %p %d )\n", __func__, src, dst, factor);
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %p %d )\n", __func__, src, dst, factor);
+fprintf(stderr, "luminance factor: %d   %f\n", factor, (float)factor / 256.0);
 #endif

-fprintf(stderr, "luminance factor: %d   %f\n", factor, (float)factor / 256.0);
-
 if ( (foo=Image_compare_desc(src, dst)) ) {
-    fprintf(stderr, "Image Luminance: images are differents %d\n", foo);
+    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
    return foo;
    }

-for (y=0; y<src->height; y++)
-    {
-    for (x=0; x<src->width; x++)
-        {
+for (y=0; y<src->height; y++) {
+    for (x=0; x<src->width; x++) {
        dst->Rpix[y][x] = (src->Rpix[y][x] * factor) / 256;
        dst->Gpix[y][x] = (src->Gpix[y][x] * factor) / 256;
        dst->Bpix[y][x] = (src->Bpix[y][x] * factor) / 256;
@@ -143,7 +132,7 @@ return FUNC_IS_BETA;
 }
 /*
 *	p'taing, c'est tellement crade qu'il faut:
- *		1) retrouver d'ou ça vient
+ *		1) retrouver d'ou c,a vient
 *		2) la virer illico !...
 */
 /*::------------------------------------------------------------------::*/
@@ -156,8 +145,7 @@ return FUNC_IS_BETA;
 	+ + + + + + + + + + + + + + + + + + + + + + + + + + + +
 	le parametre 'yoyo' n'est pas utilise actuellement.
 */
-int
-Image_egalise_RGB(Image_Desc *src, Image_Desc *dst, int yoyo)
+int Image_egalise_RGB(Image_Desc *src, Image_Desc *dst, int yoyo)
 {
 int		foo;
 long	*histr, *histg, *histb;
@@ -165,11 +153,11 @@ int	*cumlr, *cumlg, *cumlb;
 long	cr, cg, cb, s;

 if (yoyo != 0) {
-	fprintf(stderr, "%s: yoyo is %d\n", __func__, yoyo);
+	fprintf(stderr, "%s: yoyo is %d ?\n", __func__, yoyo);
 	}

 if ( (foo=Image_compare_desc(src, dst)) ) {
-    fprintf(stderr, "Image Egalise RGB: images are differents %d\n", foo);
+    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
    return foo;
    }

@@ -189,7 +177,7 @@ cr = cg = cb = 0L;
 s = (src->width * src->height);

 #if DEBUG_LEVEL
-fprintf(stderr, "Image Egalise 0: surface = %ld\n", s);
+fprintf(stderr, "%s: surface = %ld\n", __func__, s);
 #endif

 for (foo=0; foo<256; foo++) {
@@ -201,8 +189,7 @@ for (foo=0; foo<256; foo++) {
 #if DEBUG_LEVEL > 1
 fprintf(stderr, "* histo RGB: cumuls: %d %d %d  surface: %ld\n",
 			cumlr[255], cumlg[255], cumlb[255], s);
-for (foo=0; foo<256; foo++)
-	{
+for (foo=0; foo<256; foo++) {
 	fprintf(stderr, "%3d  |  %7ld %7ld %7ld  |  %7d %7d %7d\n",
 		foo,
 		histr[foo], histg[foo], histb[foo],
@@ -223,17 +210,15 @@ return 0;

 	le parametre 'yoyo' n'est pas utilise actuellement.
 */
-int
-Image_egalise_mono_0(Image_Desc *src, Image_Desc *dst, int yoyo)
+int Image_egalise_mono_0(Image_Desc *src, Image_Desc *dst, int yoyo)
 {
 int	foo;
 long	c, cc, s3;
 long	*histr, *histg, *histb;
 int	cumul[256];

-if ( (foo=Image_compare_desc(src, dst)) )
-    {
-    fprintf(stderr, "Image_Egalise_Mono_0: images are differents %d\n", foo);
+if ( (foo=Image_compare_desc(src, dst)) ) {
+    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
    return foo;
    }

@@ -252,8 +237,7 @@ Image_histo_RGB(src, histr, histg, histb);
 s3 = (3 * src->width * src->height);

 cc = 0L;
-for (foo=0; foo<256; foo++)
-	{
+for (foo=0; foo<256; foo++) {
 	c = histr[foo] + histg[foo] + histb[foo];
 	cc += c;
 	cumul[foo] = (int)((cc*255) / s3);
@@ -268,17 +252,13 @@ return 0;
      complement d'une image complete (c.a.d tous
      les canaux contenus dans cette image)
 */
-int
-Image_negate(Image_Desc *image, Image_Desc *resultat)
+int Image_negate(Image_Desc *image, Image_Desc *resultat)
 {
 int     x, y;

-if (image->type == 3)
-    {
-    for (y=0; y<image->height; y++)
-        {
-        for (x=0; x<image->width; x++)
-            {
+if (image->type == 3) {
+    for (y=0; y<image->height; y++) {
+        for (x=0; x<image->width; x++) {
            resultat->Rpix[y][x] = image->Rpix[y][x] ^ 0xff;
            resultat->Gpix[y][x] = image->Gpix[y][x] ^ 0xff;
            resultat->Bpix[y][x] = image->Bpix[y][x] ^ 0xff;
@@ -287,8 +267,9 @@ if (image->type == 3)
    return 0;
    }

-fprintf(stderr, "Image Negate: unknow image type %d, %s\n",
-			image->type, Image_type2str(image->type));
+fprintf(stderr, "%s: unknow image type %d, %s\n",
+			__func__, image->type, Image_type2str(image->type));
+
 return IMAGE_BAD_TYPE;
 }

@@ -568,27 +549,22 @@ return retval;
 }
 /*::------------------------------------------------------------------::*/

-int
-Image_seuil_RGB(Image_Desc *s, Image_Desc *d, int r, int g, int b)
+int Image_seuil_RGB(Image_Desc *s, Image_Desc *d, int r, int g, int b)
 {
 int	foo, x, y;

-if ( (s->type != 3) || (d->type != 3) )
-    {
+if ( (s->type != 3) || (d->type != 3) ) {
    fprintf(stderr, "Image Seuil RGB: an image is not of type 3\n");
    return IMAGE_BAD_TYPE;
    }

-if ( (foo=Image_compare_desc(s, d)) != 0 )
-    {
+if ( (foo=Image_compare_desc(s, d)) != 0 ) {
    fprintf(stderr, "Image Seuil RGB: images are differents %d\n", foo);
    return foo;
    }

-for (y=0; y<s->height; y++)
-    {
-    for (x=0; x<s->width; x++)
-        {
+for (y=0; y<s->height; y++) {
+    for (x=0; x<s->width; x++) {
 	if(s->Rpix[y][x] > r)	d->Rpix[y][x] = 255;
 	else			d->Rpix[y][x] = 0;
 	if(s->Gpix[y][x] > g)	d->Gpix[y][x] = 255;
--- a/Lib/palettes.c
+++ b/Lib/palettes.c
@@ -18,12 +18,14 @@
 *	Les colors maps sont censees etre compatible avec celles
 *	de FRACTINT, mais il faudrait verifier.
 */
-int
-Image_save_color_Map(char *file, char *name, RGB_map *map)
+int Image_save_color_Map(char *file, char *name, RGB_map *map)
 {
 int	foo;
 FILE	*fp;

+fprintf(stderr, ">>> %s ( '%s' '%s' %p )\n", __func__,
+				file, name, map);
+
 if ( (fp=fopen(file, "w")) == NULL ) {
 	fprintf(stderr, "Save Color Map: err fopen\n");
 	return FILE_CREATE_ERR;
@@ -74,22 +76,26 @@ return OLL_KORRECT;
 *	What is the 'right thing' to do when we get more than
 *	256 lines of data ? return an error ?
 */
-int
-Image_load_color_Map(char *file, char *name, RGB_map *where)
+int Image_load_color_Map(char *file, char *name, RGB_map *where)
 {
 FILE    *fp;
 int     nbre, r, g, b, foo, errcode;
 char    buffer[256];

+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( '%s' '%s' %p )\n", __func__,
+				file, name, where);
+#endif
+
 if ( name != NULL ) {
    if (strlen(name)>IMG_OBJNAME_LEN) return STRING_TOO_LONG;
    strcpy(where->name, name);
    }
-else    strcpy(where->name, "no name");
+else    strcpy(where->name, "<noname>");

 /*
- *  patch du 11 Décembre 2001: on utilise une fonction qui recherche le
- *  fichier dans differents endroits. Cf 'mustopen.c' pour + de détails.
+ *  patch du 11 Decembre 2001: on utilise une fonction qui recherche le
+ *  fichier dans differents endroits. Cf 'mustopen.c' pour + de details.
 */
 if ((fp=Image_must_fopen(file, "r", 0)) == NULL) {
 	/* safety poke */
@@ -128,13 +134,12 @@ return errcode;
 *
 *	XXX voir aussi indexcol.x XXX
 */
-int
-Image_attach_Map(Image_Desc *im, char *nom_map, int flags)
+int Image_attach_Map(Image_Desc *im, char *nom_map, int flags)
 {
 RGB_map		map;
 int		foo;

-fprintf(stderr, "Image attach Map: cette fonction n'est pas finie\n");
+fprintf(stderr, "%s: cette fonction n'est pas finie\n", __func__);
 foo = Image_load_color_Map(nom_map, "", &map);
 if (foo == 0) {
 	fprintf(stderr, "Attach Map: foo is zero ?\n");
@@ -145,8 +150,7 @@ return FUNC_NOT_FINISH;
 /*::------------------------------------------------------------------::*/
 /*	new 31 Juillet 2000						*/

-int
-Image_make_random_Map(char *nom, RGB_map *map, int nbre)
+int Image_make_random_Map(char *nom, RGB_map *map, int nbre)
 {
 int foo;

@@ -170,8 +174,7 @@ return OLL_KORRECT;
 /*	21 Sept 2000
 	Make a 2x2x2 color palette.
 */
-int
-Image_make_222_Map(char *nom, RGB_map *map, int noise)
+int Image_make_222_Map(char *nom, RGB_map *map, int noise)
 {
 int	foo, r, g, b;

@@ -200,13 +203,12 @@ return OLL_KORRECT;
 /*::------------------------------------------------------------------::*/
 /*	15 Mai 2001
 *	A big classic: the three-sinus color map.
- *	paramètres:
+ *	parametres:
 *		0,1,2	R,G,B period
 *		3,4,5	R,G,B phase
 *		6,7	reserved
 */
-int
-Image_palette_3sinus(char *nom, RGB_map *ou, double pars[8])
+int Image_palette_3sinus(char *nom, RGB_map *ou, double pars[8])
 {
 int	foo;
 double	dfoo, dra, dga, dba;
@@ -235,8 +237,7 @@ return FUNC_IS_BETA;
 /*::------------------------------------------------------------------::*/
 /*     new 18 Dec 2001
 */
-int
-Image_mix_palettes(RGB_map *p1, RGB_map *p2, RGB_map *d, char *txt, int k)
+int Image_mix_palettes(RGB_map *p1, RGB_map *p2, RGB_map *d, char *txt, int k)
 {
 int	idx, k2;
 int	r1, g1, b1, r2, g2, b2;
@@ -248,8 +249,7 @@ fprintf(stderr, "Image mix palette: work in progress...\n");
 k2 = 10000 - k;

 for (idx=0; idx<256; idx++) {
-	if (idx < p1->nbre)
-		{
+	if (idx < p1->nbre) {
 		r1 = p1->red[idx];
 		g1 = p1->green[idx];
 		b1 = p1->blue[idx];
@@ -284,7 +284,7 @@ return FUNC_IS_BETA;
 /*::------------------------------------------------------------------::*/
 /* new 01 aout 2008 */

-/* XXX HACK XXX */
+/* XXX HACK XXX */			/* please explain ! */
 double round(double);
 /* XXX HACK XXX */

@@ -394,6 +394,6 @@ for (foo=0; foo<p->nbre; foo++)	{

 fclose(fp);

-return FULL_NUCKED;
+return FUNC_IS_BETA;
 }
 /*::------------------------------------------------------------------::*/
--- a/Lib/patterns.c
+++ b/Lib/patterns.c
@@ -9,8 +9,7 @@
 #include   "../tthimage.h"

 /*::------------------------------------------------------------------::*/
-int
-Image_pattern_000(Image_Desc *img, int foo)
+int Image_pattern_000(Image_Desc *img, int foo)
 {
 int	x, y, xx, yy, r, g, b;

@@ -18,11 +17,9 @@ int	x, y, xx, yy, r, g, b;
 fprintf(stderr, "%s : foo = %d\n", __func__, foo);
 #endif

-for (x=0; x<img->width; x++)
-	{
+for (x=0; x<img->width; x++) {
 	xx = (x * 256) / img->width;
-	for (y=0; y<img->height; y++)
-		{
+	for (y=0; y<img->height; y++) {
 		yy = (y * 256) / img->height;
 		r = xx & yy & foo;
 		g = ((xx * yy) & 0xf8 );
@@ -37,8 +34,7 @@ for (x=0; x<img->width; x++)
 return FUNC_IS_BETA;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_pattern_001(Image_Desc *img, int foo)
+int Image_pattern_001(Image_Desc *img, int foo)
 {
 int	x, y;

@@ -50,11 +46,10 @@ for (x=0; x<img->width; x++)
 	for (y=0; y<img->height; y++)
 		Image_plotRGB(img, x, y, x^y^foo, (x*y)>>4, x&y);

-return FUNC_NOT_FINISH;
+return FUNC_IS_BETA;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_pattern_002(Image_Desc *img, int foo)
+int Image_pattern_002(Image_Desc *img, int foo)
 {
 int	x, y, x2, y2;

@@ -62,11 +57,9 @@ int	x, y, x2, y2;
 fprintf(stderr, "Pattern 002: %d\n", foo);
 #endif

-for (x=0; x<img->width; x++)
-    {
+for (x=0; x<img->width; x++) {
    x2 = (x * 256) / img->width;
-    for (y=0; y<img->height; y++)
-	{
+    for (y=0; y<img->height; y++) {
 	y2 = (y * 256) / img->height;
 	Image_plotRGB(img, x, y, (x2/2)&(y2/2)&foo, (x2*y2)>>3, x2^y2);
 	}
@@ -75,8 +68,7 @@ for (x=0; x<img->width; x++)
 return FUNC_IS_BETA;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_pattern_003(Image_Desc *img, int foo)
+int Image_pattern_003(Image_Desc *img, int foo)
 {
 int	x, x2, y, y2;

@@ -85,11 +77,9 @@ fprintf(stderr, "Pattern 003: foo is %d\n", foo);
 #endif

 /* added some ugly code the 28 february 2008 */
-for (x=0; x<img->width; x++)
-    {
+for (x=0; x<img->width; x++) {
    x2 = (x * 256) / img->width;
-    for (y=0; y<img->height; y++)
-	{
+    for (y=0; y<img->height; y++) {
 	y2 = (y * 256) / img->height;
 	Image_plotRGB(img, x, y, (x2/4)&(y2/4)&foo, (x2*y2)>>5, x2^y2);
 	}
@@ -98,8 +88,7 @@ for (x=0; x<img->width; x++)
 return FUNC_NOT_FINISH;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_pattern_004(Image_Desc *img, int a, int b, int c, int d)
+int Image_pattern_004(Image_Desc *img, int a, int b, int c, int d)
 {
 #if DEBUG_LEVEL
 fprintf(stderr, "Pattern 004: %d, %d, %d, %d\n", a, b, c, d);
@@ -122,11 +111,9 @@ if (NULL == map) {
 	return NULL_POINTER;
 	}

-for (y=0; y<img->height; y++)
-	{
+for (y=0; y<img->height; y++) {
 	fy = (double)y;
-	for (x=0; x<img->width; x++)
-		{
+	for (x=0; x<img->width; x++) {
 		fx = (double)x;
 		
 		idx = (int)(127.0+(sin(fx)*cos(fy)*254.99));
@@ -140,8 +127,7 @@ for (y=0; y<img->height; y++)
 return FUNC_NOT_FINISH;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_pattern_042(Image_Desc *img, int foo)
+int Image_pattern_042(Image_Desc *img, int foo)
 {
 int	x, y, r, g, b;

@@ -150,10 +136,8 @@ fprintf(stderr, "Pattern 042: threshold level is %d\n", foo);
 #endif

 r = g = b = 42;
-for (x=0; x<img->width; x++)
-	{
-	for (y=0; y<img->height; y++)
-		{
+for (x=0; x<img->width; x++) {
+	for (y=0; y<img->height; y++) {
 		r += rand() % 4;
 		if (r > foo)	r = 0;

--- a/Lib/patterns3.c
+++ b/Lib/patterns3.c
@@ -16,15 +16,15 @@
 /*
 * c'est quasiment impossible de documenter cette fonction.
 */
-int
-Image_pattern_100(Image_Desc *dst, int kr, int kg, int kb)
+int Image_pattern_100(Image_Desc *dst, int kr, int kg, int kb)
 {
 int	x, y, r,g, b;

-for (x=0; x<dst->width; x++)
-	{
-	for (y=0; y<dst->height; y++)
-		{
+fprintf(stderr, ">>> %s ( %p  %d %d %d )\n", __func__,
+				dst, kr, kg, kb);
+
+for (x=0; x<dst->width; x++) {
+	for (y=0; y<dst->height; y++) {
 		r = abs(x+y-(dst->width/3)) * kr;
 		g = abs(x-y-(dst->height/3)) * kg;
 		b = (rand() % 42) + kb;
@@ -36,19 +36,19 @@ for (x=0; x<dst->width; x++)
 return FUNC_IS_BETA;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_pattern_101(Image_Desc *dst, int kr, int kg, int kb)
+int Image_pattern_101(Image_Desc *dst, int kr, int kg, int kb)
 {
 int	x, y, r,g, b;

+fprintf(stderr, ">>> %s ( %p  %d %d %d )\n", __func__,
+				dst, kr, kg, kb);
+
 if (kr == 0)		kr = 1;
 if (kg == 0)		kg = 1;
 if (kb == 0)		kb = 1;

-for (x=0; x<dst->width; x++)
-	{
-	for (y=0; y<dst->height; y++)
-		{
+for (x=0; x<dst->width; x++) {
+	for (y=0; y<dst->height; y++) {
 		if (x < dst->width/2)
 			{ r=x/kr; g=y/kg; b=x/kb; }
 		else
@@ -59,18 +59,15 @@ for (x=0; x<dst->width; x++)
 return FUNC_IS_BETA;
 }
 /*::------------------------------------------------------------------::*/
-int
-Image_pattern_102(Image_Desc *dst, int param, int kr, int kg, int kb)
+int Image_pattern_102(Image_Desc *dst, int param, int kr, int kg, int kb)
 {
 int	x, y, r,g, b;

-for (x=0; x<dst->width; x++)
-	{
-	for (y=0; y<dst->height; y++)
-		{
+for (x=0; x<dst->width; x++) {
+	for (y=0; y<dst->height; y++) {
 		r = x ^ kr;
 		g = y ^ kg;
-		b = (x+y) ^ kb;
+		b = (x+y+param) ^ kb;
 		Image_plotRGB(dst, x, y, r, g, b);
 		}
 	}
@@ -80,26 +77,20 @@ return FUNC_NOT_FINISH;
 /*::------------------------------------------------------------------::*/
 /* hop, 31 mars 2008, une petite evolution stochastique de base...
 * */
-int
-Image_pattern_103(Image_Desc *dst, int param, int kr, int kg, int kb)
+int Image_pattern_103(Image_Desc *dst, int param, int kr, int kg, int kb)
 {
 int		x, y, r, g, b;
-long		surface;
 double		dx, dy;

 #if DEBUG_LEVEL
 fprintf(stderr, "%s: acting on image %p\n", __func__, dst);
 #endif

-surface = dst->width * dst->height;
-
-for (x=0; x<dst->width; x++)
-	{
+for (x=0; x<dst->width; x++) {
 	dx = (double)x / (double)dst->width;
-	for (y=0; y<dst->height; y++)
-		{
+	for (y=0; y<dst->height; y++) {
 		dy = (double)x / (double)dst->height;
-		r = (int)round(256.0 * sqrt(dx * dy));		/* XXX */
+		r = (int)(256.0 * sqrt(dx * dy));		/* XXX */
 		g = b = rand() & 0xf0;
 		Image_plotRGB(dst, x, y, r, g, b);
 		}
--- a/Lib/patterns4.c
+++ b/Lib/patterns4.c
@@ -23,6 +23,12 @@ int	x, y, v, delta;

 delta = high - low;

+if (0 == delta) {
+	fprintf(stderr, "%s: bad low/high parameters %d %d <- delta is 0\n",
+			__func__,			low, high);
+	return DIVISOR_IS_ZERO;
+	}
+
 for (x=0; x<dst->width; x++)
 	{
 	for (y=0; y<dst->height; y++)
@@ -44,6 +50,12 @@ int	x, y, r, g, b, delta;

 delta = high - low;

+if (0 == delta) {
+	fprintf(stderr, "%s: bad low/high parameters %d %d <- delta is 0\n",
+			__func__,			low, high);
+	return DIVISOR_IS_ZERO;
+	}
+
 for (x=0; x<dst->width; x++)
 	{
 	for (y=0; y<dst->height; y++)
--- a/Lib/pcx.c
+++ b/Lib/pcx.c
@@ -22,7 +22,7 @@
 #define  DEBUG_LEVEL  1
 #endif

-#include  "tthimage.h"   
+#include  "../tthimage.h"

 /*::------------------------------------------------------------------::*/
 #define LIBPCX_VERSION   "0.0.12"
--- a/Lib/pixeliz.c
+++ b/Lib/pixeliz.c
@@ -52,8 +52,7 @@ return FUNC_IS_BETA;
 /*
 *	fonction d'appel de test
 */
-int
-Image_pixeliz_X(Image_Desc *src, Image_Desc *dst)
+int Image_pixeliz_X(Image_Desc *src, Image_Desc *dst)
 {
 int foo;

@@ -73,8 +72,7 @@ return foo;
 /*
 *	fonction d'appel de test
 */
-int
-Image_pixeliz_Y(Image_Desc *src, Image_Desc *dst)
+int Image_pixeliz_Y(Image_Desc *src, Image_Desc *dst)
 {
 int foo;

--- a/Lib/pixels.c
+++ b/Lib/pixels.c
@@ -27,6 +27,8 @@ return FULL_NUCKED;
 int Image_rot_pixel(Image_Desc *img, int x, int y, int r, int g, int b)
 {

+fprintf(stderr, "%s is wtf\n", __func__);
+
 if ( (x<0) || (y<0) || (x>=img->width) || (y>=img->height) )
 	{
 	fprintf(stderr, "%s : out of pic (%d, %d)\n", __func__, x, y);
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
tTh	58b8fa878c	add new ugly tools	2024-11-17 10:44:07 +01:00
tTh	d298f63e7e	add 2 missing tools	2024-11-15 17:47:09 +01:00
tTh	0b8cf14126	add missing binaries	2024-11-15 16:45:52 +01:00
tTh	b3da0e6ec0	cosmetic	2024-11-15 11:35:39 +01:00
tTh	97ad716bd2	little work on documentation	2024-11-14 10:11:11 +01:00
tTh	ae54fb932a	+ Test_Classif	2024-08-16 18:13:36 +02:00
tTh	5418e01820	cosmetic	2024-08-16 13:30:19 +02:00
tTh	24b3d4de11	tweaking...	2024-08-16 13:10:58 +02:00
tTh	5ffc94c17d	more blabla	2024-08-16 13:09:18 +02:00
tTh	6fddb97ee4	re-enable tga_info	2024-08-16 13:06:51 +02:00
tTh	725ccf3c87	tweaking the speedtest	2024-08-16 03:22:55 +02:00
tTh	f4c3825186	nice fail, bro	2024-08-15 20:40:01 +02:00
tTh	d6877097d0	+ rgb decomp	2024-08-15 15:18:10 +02:00
tTh	8c30ea844f	add warning	2024-08-15 14:18:47 +02:00
tTh	82a7050d07	public version of crazy benchmarking	2024-08-15 13:43:12 +02:00
tTh	1b442ece82	add patterns files	2024-08-15 13:39:00 +02:00
tTh	1750225cf9	enable optimize	2024-08-15 13:36:35 +02:00
tTh	8a163578ad	added "tthi_dtime" profiling helper	2024-08-15 12:08:37 +02:00
tTh	a01eebd240	explain Contribs	2024-08-15 11:33:51 +02:00
tTh	65f396bedd	small tweaking	2024-08-15 11:20:58 +02:00
tTh	402c80962a	filter profiling garbage	2024-08-15 11:18:22 +02:00
tTh	3a3311647b	disrupter le désordre	2024-08-15 11:17:35 +02:00
tTh	d6632ade7e	cleaning	2024-08-12 12:32:58 +02:00
tTh	38173616ba	sunday cosmetic commit	2024-08-11 11:21:23 +02:00
tTh	ce04418ef1	working on big test proggy	2024-08-11 11:20:04 +02:00
tTh	e2b830b537	compute and display the call tree	2024-08-11 10:32:10 +02:00
tTh	1762a35868	cosmetic	2024-08-10 17:49:57 +02:00
tTh	acb36a45b3	add televisions tests	2024-08-10 17:48:52 +02:00
tTh	4a3f107263	marging bug fixed in TV_pix_0 function	2024-08-10 17:48:08 +02:00
tTh	cd5f42b76e	oups! sorry...	2024-08-10 16:06:55 +02:00
tTh	0b094bf7b8	cosmetic	2024-08-10 14:56:50 +02:00
tTh	7e09d1b490	error handling + cosmetic	2024-07-31 22:24:32 +02:00
tTh	5b2320b421	more doc	2024-07-31 22:21:54 +02:00
tTh	e3347cb775	directory marker	2024-07-21 01:08:15 +02:00
tTh	ee6a416f9e	testing quadtree recurse	2024-07-21 01:06:37 +02:00
tTh	43368bf900	remove an obsolete function	2024-07-20 12:01:12 +02:00
tTh	4f41ae399b	kill warning, better return value	2024-07-18 08:57:50 +02:00
tTh	7aab0e030a	add molly-guard message	2024-07-18 08:56:48 +02:00
tTh	e841207907	remove useless msg	2024-07-18 08:55:57 +02:00
tTh	53a108561f	one more...	2024-07-17 02:39:21 +02:00
tTh	8d36957956	cleanup	2024-07-17 00:47:19 +02:00
tTh	b367f42b9e	cosmetic	2024-07-16 19:07:37 +02:00
tTh	b264cffb02	hide trace msg	2024-07-16 19:01:12 +02:00
tTh	449705c0ee	check error on header read	2024-07-16 18:58:11 +02:00
tTh	d9d2db45b0	add cos010 to tga_equalize	2024-04-09 22:20:46 +02:00
tTh	96ddcfccaf	cosmetic	2024-04-09 08:36:33 +02:00
tTh	ff4b7acff8	clean before use	2024-04-08 05:35:19 +02:00
tTh	dda374fc7d	oups...	2024-04-07 12:50:57 +02:00
tTh	0c17de9f93	porno canal+	2024-04-01 18:26:46 +02:00
tTh	b9102e2991	is tga_to_text working ?	2024-02-27 03:32:41 +01:00
tTh	298643ede5	tga to text, version 0	2024-02-27 00:43:44 +01:00
tTh	86cb7eaa4a	wip wip wip wip	2023-11-18 19:58:21 +01:00
tTh	2246a5d744	wip wip wip	2023-11-18 19:56:25 +01:00
tTh	56941f1215	breakin a srand usage	2023-11-14 13:09:27 +01:00
tTh	39903d1067	removing garbage	2023-11-14 13:07:06 +01:00
tTh	a67809b4e8	experiment on falsecolors	2023-11-14 13:06:02 +01:00
tTh	378a1046a0	add a func for testing paint_rec	2023-11-14 13:04:56 +01:00
tTh	4ab69cced3	better help message	2023-10-12 12:34:28 +02:00
tTh	9ca6acd176	add 3 fractint maps	2023-10-12 11:20:30 +02:00
tTh	8fae30abc7	cosmetic	2023-10-11 22:36:16 +02:00
tTh	54e6a7e58a	ok blz	2023-10-11 22:26:07 +02:00
tTh	32fc223f2c	add a new struct, kill old funcs	2023-10-06 19:47:49 +02:00
tTh	6744a631c1	remove useless file	2023-10-05 21:54:49 +02:00
tTh	cced0a8811	use default if not provided by caller	2023-10-02 18:26:11 +02:00
tTh	56250127bc	merged two files	2023-09-30 03:01:07 +02:00
tTh	2594cabf94	more clean	2023-09-28 23:50:23 +02:00
tTh	21de0960e8	reuse an old func	2023-09-26 11:17:04 +02:00
tTh	d09291bd4e	added a (slow) function	2023-09-25 13:28:13 +02:00
tTh	7b0384a3b7	Image_print_version now go to stderr	2023-09-23 20:00:14 +02:00
tTh	ba7ba3d666	working on patterns	2023-09-22 14:20:26 +02:00
tTh	806c9b0071	a few cleanup + new patterns	2023-09-22 14:15:52 +02:00
tTh	7b10854729	add a zerodivide mollyguard	2023-09-18 15:29:40 +02:00
tTh	226d1b39a9	bla...	2023-09-18 09:50:37 +02:00
tTh	3f1f5fc49b	cosmetic	2023-09-18 09:09:13 +02:00
tTh	5f61f21362	remove unsuded vars	2023-09-18 09:08:01 +02:00
tTh	7977766a52	cosmetic	2023-09-18 08:50:48 +02:00
tTh	907f538cff	add a gradient generator	2023-09-18 08:46:13 +02:00
tTh	42fafdc570	cosmetic	2023-09-18 08:27:49 +02:00
tTh	395b262c92	add "cos01" contrast adjustement	2023-09-17 22:36:08 +02:00
tTh	bef1c6c5e3	add tga_extract	2023-09-12 18:19:12 +02:00
tTh	d260117865	more cleanup...	2023-01-31 00:21:05 +01:00
tTh	ca0acf0c26	shootgun debug	2022-12-29 14:17:22 +01:00
tTh	15124ad892	to be finished, please	2022-12-26 05:50:19 +01:00
tTh	00e796bf5e	shootgun debug session #539	2022-12-19 13:54:39 +01:00
tTh	c1c954100e	a big Oups !	2022-11-29 12:52:18 +01:00
tTh	35e5947fdb	you can now set the image size in genplot2	2022-11-26 11:39:22 +01:00
tTh	5f80203592	wip	2022-11-26 11:13:34 +01:00
tTh	d5d9aa8c43	change a default	2022-11-08 01:39:58 +01:00
tTh	2c4612411b	refactoring zoom code	2022-10-28 05:59:49 +02:00
tTh	f70037a143	essai_show_t16x24	2022-10-28 05:54:07 +02:00
tTh	4efe885d9a	tweaking & cleaning	2022-10-28 05:53:07 +02:00
tTh	ca9947e7cc	cosmetic	2022-10-28 05:07:32 +02:00
tTh	63b0bce081	cosmetic	2022-09-23 13:41:58 +02:00
tTh	2f1f51671c	cosmetic	2022-09-23 13:28:02 +02:00
tTh	7679fabae9	oups!	2022-09-21 18:24:03 +02:00
tTh	5bee2ac73c	add a second 8x8 font	2022-09-21 18:22:32 +02:00
tTh	c73a361120	alway run a compil under DEBUG_LEVEL=1	2022-09-21 18:16:55 +02:00
tTh	a4e3d073f5	another big clean	2022-09-21 00:06:11 +02:00
tTh	1175eece63	fine tuning	2022-09-20 19:16:42 +02:00
tTh	5510569f8b	cosmetic	2022-09-20 18:53:54 +02:00
tTh	1d1336fd96	add a gruik 16x24 font	2022-09-20 18:41:28 +02:00
tTh	8e9f083aa9	+ molly-guard	2022-09-20 13:47:11 +02:00
tTh	bd1b329029	add a test func for draw/rect paint funcs	2022-09-20 11:21:41 +02:00
tTh	dec52079cd	.4.51 pl 28	2022-09-17 11:23:21 +02:00
tTh	20754c17e9	added missing files	2022-09-16 14:22:16 +02:00