From 8a68cc24c68909fc14188429ce37bfc16c94bfff Mon Sep 17 00:00:00 2001
From: tth <sigfood@dinorama.fr>
Date: Fri, 29 Nov 2019 19:55:52 +0100
Subject: [PATCH] fine tuning fimgfx with a script

---
 .gitignore               |  4 ++++
 install.sh               |  2 +-
 scripts/contrast-test.sh | 27 +++++++++++++++++++++++++++
 tools/fimgfx.c           | 19 +++++++++----------
 4 files changed, 41 insertions(+), 11 deletions(-)
 create mode 100755 scripts/contrast-test.sh

diff --git a/.gitignore b/.gitignore
index e09e3bf6..d73467d5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,6 +27,10 @@ doc/*.ind
 
 funcs/t
 
+scripts/*.fimg
+scripts/*.pnm
+scripts/*.gif
+
 v4l2/t
 v4l2/capture
 v4l2/grabvidseq
diff --git a/install.sh b/install.sh
index d3d50105..2a290047 100755
--- a/install.sh
+++ b/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		\
diff --git a/scripts/contrast-test.sh b/scripts/contrast-test.sh
new file mode 100755
index 00000000..e06557d5
--- /dev/null
+++ b/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
+
diff --git a/tools/fimgfx.c b/tools/fimgfx.c
index 1c4cb660..9048bb46 100644
--- a/tools/fimgfx.c
+++ b/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;
 }