metadata boilerplane, first milestone reached

floatimg.h

@@ -4,7 +4,7 @@
  *	http://la.buvette.org/photos/cumul
  */
 
-#define		FIMG_VERSION	171
+#define		FIMG_VERSION	174
 
 /*
  *	in memory descriptor
@@ -28,6 +28,16 @@ typedef struct {
 	char		magic[8];
 	int32_t		w, h, t;
 	} FimgFileHead;
+/*
+ *		new 11 mars 2022
+ */
+typedef struct {
+	char		magic[8];
+	struct timeval	timestamp;
+	int32_t		count;
+	float		fval;
+	char		idcam[32];
+	} FimgMetaData;
 /*
  *	we MUST look at packing and endianess problems NOW */
 
@@ -207,11 +217,14 @@ int fimg_displacement_0(FloatImg *psrc, FloatImg *pdst, int flags);
 int fimg_hdeg_a(FloatImg *img, double dcoef);
 int fimg_vdeg_a(FloatImg *img, double dcoef);
 
-/*	FIMG files module		*/
+/*	FIMG native file module		*/
 int   fimg_fileinfos(char *fname, int *datas);
 int   fimg_dump_to_file(FloatImg *head, char *fname, int notused);
 int   fimg_load_from_dump(char *fname, FloatImg *where);
 int   fimg_create_from_dump(char *fname, FloatImg *head);
+/*	FIMG metadata module		*/
+int fimg_show_metadata(FimgMetaData *pmd, char *title, int notused);
+int fimg_default_metadata(FimgMetaData *pmd);
 
 int fimg_save_R_as_fits(FloatImg *src, char *outname, int flags);
 int fimg_save_G_as_fits(FloatImg *src, char *outname, int flags);