enhancing the test proggy

Makefile

@@ -1,6 +1,7 @@
-
-#          Before running make, you must have 
-#          a look to the 'build.sh' script !
+####################################################
+#          Before running make, you must have      #
+#          a look to the 'build.sh' script !       #
+####################################################
 
 COPT = -Wall -fpic -g -pg -DDEBUG_LEVEL=0
 LDOPT = libfloatimg.a -pg -lm 

build.sh

@@ -1,23 +1,25 @@
 #!/bin/bash
 
 cd lib
-echo EEEEEEEEEE we are in $PWD
+echo ============= we are in $PWD
 make
 error=$?
 if [ 0 -ne $error ]; then
 	printf "in %s err %d in %s\n" $PWD $error $0
 	exit $error
 fi
+echo
 cd ..
 
 cd funcs
-echo EEEEEEEEEE we are in $PWD
+echo ============= we are in $PWD
 make
 error=$?
 if [ 0 -ne $error ]; then
 	printf "in %s err %d in %s\n" $PWD $error $0
 	exit $error
 fi
+echo
 cd ..
 
 cd tools

essai.c

@@ -5,11 +5,14 @@
 
 #include  <stdio.h>
 #include  <stdlib.h>
+#include  <unistd.h>
 #include  <math.h>
 #include  <string.h>
 
 #include  "floatimg.h"
 
+int		verbosity;
+
 /* --------------------------------------------------------------------- */
 int add(FloatImg *a, FloatImg *b)
 {
@@ -51,43 +54,63 @@ fprintf(stderr, "%s = %f seconds\n", __func__, tb);
 puts("");
 }
 /* --------------------------------------------------------------------- */
+int parse_WxH(char *str, int *pw, int *ph)
+{
+// char			*ptr;
+int			foo, w, h;
+
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( '%s' %p %p )\n", __func__,
+				str, pw, ph);
+#endif
+
+foo = sscanf(str, "%dx%d", &w, &h);
+if (2 != foo) {
+	fprintf(stderr, "%s : arg '%s' is invalid\n", __func__, str);
+	return foo;
+	}
+
+*pw = w;	*ph = h;
+
+return 2;
+}
+/* --------------------------------------------------------------------- */
+void help(int k)
+{
+puts("Options :");
+puts("\t-d WxH\timage size");
+exit(0);
+}
+/* --------------------------------------------------------------------- */
 
 int main(int argc, char *argv[])
 {
 FloatImg	fimgA, fimgB;
-int		foo;
+int		foo, opt;
+int		W = 800, H = 600;
 double		tb;
 
-fimg_print_version(0);
-
-#define W  2000
-#define H  1700
+while ((opt = getopt(argc, argv, "d:hv")) != -1) {
+	switch(opt) {
+		case 'd':	parse_WxH(optarg, &W, &H);
+				break;
+		case 'h':	help(0);		break;
+		case 'v':	verbosity++;		break;
+		}
+	}
 
-fait_un_dessin("dessin.fimg");
+if (verbosity) fimg_print_version(0);
 
 fimg_create(&fimgA, W, H, 3);
 fimg_create(&fimgB, W, H, 3);
 
-fimg_draw_something(&fimgA);
-
 fimg_timer_set(0);
 fimg_drand48(&fimgB, 100.0);
+fimg_drand48(&fimgA, 100.0);
+add(&fimgA, &fimgB);
 tb = fimg_timer_get(0);
 fprintf(stderr, "%s = %f seconds\n", __func__, tb);
-
-foo = fimg_save_as_pnm(&fimgB, "drand48.pnm", 0);
-
-/*
-fimg_printhead(&fimgA);  fimg_printhead(&fimgB);
-fimg_describe(&fimgA, "image A");
-*/
-
-add(&fimgA, &fimgB);
-
-foo = fimg_save_as_pnm(&fimgA, "t.pnm", 0);
-fprintf(stderr, "save as pnm  -> %d\n", foo);
-foo = fimg_dump_to_file(&fimgA, "t.fimg", 0);
-fprintf(stderr, "save as fimg -> %d\n", foo);
+foo = fimg_save_as_pnm(&fimgA, "drand48.pnm", 0);
 
 fimg_destroy(&fimgA);
 fimg_destroy(&fimgB);