fine tuning fimgfx with a script

.gitignore

@@ -27,6 +27,10 @@ doc/*.ind
 
 funcs/t
 
+scripts/*.fimg
+scripts/*.pnm
+scripts/*.gif
+
 v4l2/t
 v4l2/capture
 v4l2/grabvidseq

install.sh

@@ -4,7 +4,7 @@ cp	libfloatimg.a 	/usr/local/lib
 cp	floatimg.h 	/usr/local/include
 
 cp	tools/mkfimg tools/fimg2pnm tools/fimgops 	\
-	tools/png2fimg tools/fimgstats			\
+	tools/png2fimg tools/fimgstats tools/fimgfx	\
 	/usr/local/bin
 
 cp	v4l2/grabvidseq v4l2/video-infos		\

scripts/contrast-test.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+GRAB="quux.fimg"
+COS01="cos01.fimg"
+SQRT="sqrt.fimg"
+POW2="pow2.fimg"
+
+f2p ()
+{
+echo ========== $1
+fimg2pnm -v $1 $(basename $1 .fimg).pnm
+}
+
+grabvidseq -v -n 777 -p 0.07 -o $GRAB
+f2p $GRAB 
+
+fimgfx -v pow2 $GRAB $POW2
+f2p $POW2
+
+fimgfx -v sqrt $GRAB $SQRT
+f2p $SQRT
+
+fimgfx -v cos01 $GRAB $COS01
+f2p $COS01
+
+convert -delay 10 *.pnm foo.gif
+

tools/fimgfx.c

@@ -66,7 +66,7 @@ FloatImg	src, dest;
 int		foo;
 double		maxval;
 
-#if 1
+#if DEBUG_LEVEL
 fprintf(stderr, ">>> %s ( '%s' %d '%s' )\n", __func__,
 			   sf, act, df);
 #endif
@@ -125,7 +125,7 @@ while ((opt = getopt(argc, argv, "hk:v")) != -1) {
 		}
 	}
 
-#if 1
+#if DEBUG_LEVEL
 fprintf(stderr, "argc %d optind %d\n", argc, optind);
 for (foo=0; foo<argc; foo++)
 	fprintf(stderr, "%3d  %c  %s\n", foo, foo==optind?'*':' ', argv[foo]);
@@ -144,9 +144,9 @@ if (action < 0) {
 	}
 
 if (verbosity) {
-	fprintf(stderr, "global fvalue  %f\n", global_fvalue);
-	fprintf(stderr, "action         %d\n", action);
-	fprintf(stderr, "verbosity      %d\n", verbosity);
+	fprintf(stderr, "  global fvalue  %f\n", global_fvalue);
+	fprintf(stderr, "  action         %d\n", action);
+	fprintf(stderr, "  verbosity      %d\n", verbosity);
 	}
 
 if ((nba=fx_list[action].nbarg)) {
@@ -155,13 +155,12 @@ if ((nba=fx_list[action].nbarg)) {
 
 srcname = argv[optind+1];
 dstname = argv[optind+2];
-fprintf(stderr, "%s  ==>  %s\n", srcname, dstname);
+if (verbosity) fprintf(stderr, "%s  ==>  %s\n", srcname, dstname);
 
 foo = do_an_effect(srcname, action, dstname);
-fprintf(stderr, "do an effect -> %d\n", foo);
-
-
-fprintf(stderr, "\n%s    [done]\n", argv[0]);
+if (foo) {
+	fprintf(stderr, "do an effect -> %d\n", foo);
+	}
 
 return 0;
 }