first shoot

tools/fimgstats.c

@@ -0,0 +1,91 @@
+/*
+ *		FIMGSTATS
+ */
+
+#include  <stdio.h>
+#include  <stdlib.h>
+#include  <unistd.h>
+
+#include  "../floatimg.h"
+
+int		verbosity;		/* global */
+
+int		make_csv;
+
+/* --------------------------------------------------------------------- */
+int various_numbers(FloatImg *fimg, int k)
+{
+float		moyennes[4];
+int		foo;
+float		fvalue;
+
+if (verbosity)
+	fprintf(stderr, "     numbers from %p :\n", fimg); 
+
+fimg_printhead(fimg);
+fprintf(stderr, "surface      %d\n", fimg->width * fimg->height);
+
+fimg_meanvalues(fimg, moyennes);
+fprintf(stderr, "mean values:\n");
+for (foo=0; foo<4; foo++)
+	printf("      %c   %14.6f\n", "RGBA"[foo], moyennes[foo]);
+
+fvalue = fimg_get_maxvalue(fimg);
+printf("max value     %f\n", fvalue);
+
+return 0;
+}
+/* --------------------------------------------------------------------- */
+int various_numbers_from_file(char *fname, int k)
+{
+FloatImg	fimg;
+int		foo;
+
+fprintf(stderr, "----------- numbers from '%s' :\n", fname); 
+
+foo = fimg_create_from_dump(fname, &fimg);
+if (foo) {
+	fprintf(stderr, "create fimg from '%s' -> %d\n", fname, foo);
+	return -2;
+	}
+
+various_numbers(&fimg, k);
+
+fimg_destroy(&fimg);
+
+return 0;
+}
+/* --------------------------------------------------------------------- */
+static void help(int k)
+{
+fputs(	"usage : fimgstats [options] file.fimg\n"
+	"\t-c\tmake a machinable csv\n"
+	"\t-v\tincrease verbosity\n"
+	, stderr);
+}
+/* --------------------------------------------------------------------- */
+int main(int argc, char *argv[])
+{
+int		foo, opt;
+
+extern char	*optarg;
+extern int	optind, opterr, optopt;
+
+if (argc == 1) {
+	foo = fimg_print_version(1); help(0);
+	exit(0);
+	}
+ while ((opt = getopt(argc, argv, "cv")) != -1) {
+	switch(opt) {
+		case 'c':	make_csv++;		break;
+		case 'v':	verbosity++;		break;
+
+		default:	help(1);		exit(1);
+		}
+	}
+
+foo = various_numbers_from_file(argv[optind], 0);
+
+return 0;
+}
+/* --------------------------------------------------------------------- */