nothing to see here

floatimg.h

@@ -4,11 +4,12 @@
  *	http://la.buvette.org/photos/cumul
  */
 
-#define		FIMG_VERSION	142
+#define		FIMG_VERSION	143
 
 /*
  *	in memory descriptor
  */
+#define MAGIC_FIMG	0x00F11F00
 typedef struct {
 	unsigned long	magic;
 	int		width;
@@ -28,6 +29,7 @@ typedef struct {
 	int		w, h, t;
 	} FimgFileHead;
 
+#define MAGIC_AREA51	0xA5EA0051
 typedef struct {
 	unsigned long	magic;
 	int		w, h;

funcs/Makefile

@@ -11,7 +11,8 @@ OBJS = fimg-png.o fimg-tiff.o misc-plots.o filtrage.o utils.o	\
 	geometry.o rotate.o fimg-openexr.o			\
 	equalize.o fimg-fits.o saturation.o histogram.o		\
 	hsv.o classif.o contour2x2.o qsortrgb.o exporter.o	\
-	displacement.o dithering.o plasmas.o incrustator.o
+	displacement.o dithering.o plasmas.o incrustator.o	\
+	recurse.o
 
 #---------------------------------------------------------------
 
@@ -35,6 +36,9 @@ tests.o:	tests.c tests.h $(DEPS)
 
 # ###
 
+recurse.o:		recurse.c  $(DEPS)
+	gcc $(COPT) -c $<
+
 incrustator.o:		incrustator.c  $(DEPS)
 	gcc $(COPT) -c $<
 

funcs/recurse.c

@@ -0,0 +1,26 @@
+/*
+                RECURSION 'QUADTREE' SUR LES IMAGES
+                -----------------------------------
+*/
+
+#include   <stdio.h>
+#include   <math.h>
+
+#include   "../floatimg.h"
+
+/* -------------------------------------------------------------------- */
+/*		may be we need some private variables ? 		*/
+/* --------------------------------------------------------------------	*/
+/* nouveau 29 avril 2021, pendant un autre masque-flamme coronavidique	*/
+
+int fimg_recursion_proto(FloatImg *src, FloatImg *dst, int notused)
+{
+
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %p %d )\n", __func__, src, dst, notused);
+#endif
+
+return -1;
+}
+/* -------------------------------------------------------------------- */
+/* -------------------------------------------------------------------- */

funcs/tests.c

@@ -16,6 +16,41 @@
 
 extern int		verbosity;
 
+/* --------------------------------------------------------------------- */
+
+int fimg_recursion_proto(FloatImg *src, FloatImg *dst, int notused);
+
+int essai_recursion(char *inf, char *outf, int flags)
+{
+int		foo;
+FloatImg	src, dst;
+
+fprintf(stderr, ">>> %s ( '%s' '%s' 0x%04X )\n", __func__,
+				inf, outf, flags);
+
+foo = fimg_create_from_dump(inf, &src);
+if (0 != foo) {
+	fprintf(stderr, "%s: err %d loading image '%s'\n", __func__,
+				foo, 		inf);
+	return foo;
+	}
+
+fimg_clone(&src, &dst, 0);
+
+foo = fimg_recursion_proto(&src, &dst, flags);
+if (foo) {
+	fprintf(stderr, "%s: fail %d\n", __func__, foo);
+	return foo;
+	}
+
+foo = fimg_export_picture(&dst, outf, 0);
+if (foo) {
+	fprintf(stderr, "%s : err %d saving result\n", __func__, foo);
+	return foo;
+	}
+
+return -1;
+}
 /* --------------------------------------------------------------------- */
 int essai_miroir(char *inf, char *outf, int flags)
 {
@@ -47,7 +82,7 @@ if (foo) {
 	return foo;
 	}
 
-return -1;
+return 0;
 }
 /* --------------------------------------------------------------------- */
 /* nouveau 21 mars 2021 - rue d'Aragon */