From: ozzloy <ozzloy@zero7.(none)>
Date: Sun, 7 Mar 2010 22:05:58 +0000 (-0800)
Subject: add verbosity flag on cli.  Closes #10
X-Git-Url: http://challenge-bot.com/repos/?p=ozzloy%40gmail.com%2Foble;a=commitdiff_plain;h=2b11aff436b08a0e27ece2aa06966fccc81c958a

add verbosity flag on cli.  Closes #10
---

diff --git a/oble.cpp b/oble.cpp
index d949cd5..fcba87c 100644
--- a/oble.cpp
+++ b/oble.cpp
@@ -46,12 +46,11 @@
 using namespace std;
 
 static string cascade_filename = "";
+static int verbose = 0;
 
 // argument for cvFlip(src, dest, FLIP_TYPE)
 #define MIRROR 1
 
-#define DEBUG 0
-
 CvHaarClassifierCascade* load_object_detector(const char* cascade_path)
 {
 	return (CvHaarClassifierCascade*)cvLoad(cascade_path);
@@ -84,13 +83,13 @@ void detect_and_draw_objects(IplImage* image,
 	if(0 < faces->total)
 	{
 		t_current = time(NULL);
-		if(DEBUG)
+		if(verbose)
 		{
 			printf(":) face \n");
 		}
 		if(saw_last_time)
 		{
-			if(DEBUG)printf("\t\tpoking\n");
+			if(verbose)printf("\t\tpoking\n");
 			reset_idle_time();
 			system("gnome-screensaver-command --poke");
 		}
@@ -99,7 +98,7 @@ void detect_and_draw_objects(IplImage* image,
 	else
 	{
 		saw_last_time = 0;
-		if(DEBUG)
+		if(verbose)
 		{
 			printf(":( no face \n");
 		}
@@ -130,7 +129,7 @@ void screensave(time_t t_current)
 	if(elapse > timeout && elapse != last_elapse)
 	{
 		last_elapse = elapse;
-		if(DEBUG)
+		if(verbose)
 		{
 			printf("elapse = %d\n", elapse);
 		}
@@ -152,33 +151,46 @@ void screensave(time_t t_current)
 int parse_opts(int argc, char **argv)
 {
 	int index, c;
-	//int opterr=0, optopt=0, optind=0;
-	//char *optarg;
-	// int getopt(int argc, char **argv, const char *options);
 	opterr = 0;
-	const char *options = "c:";
+	const char *options = "vc:";
 	while((c = getopt(argc, argv, options)) != -1)
+	{
 		switch(c)
 		{
-			case 'c':
-				cascade_filename = string(optarg);
-				printf("option c, argument = %s\n", optarg);
+			case 'v': verbose = 1; break;
+			case 'c': cascade_filename = string(optarg); break;
 			case '?':
 				if(optopt == 'c')
+				{
 					printf("option -%c requires an argument.\n", optopt);
+				}
 				else if(isprint (optopt))
+				{
 					printf("unknown option `-%c'.\n", optopt);
+				}
 				else
+				{
 					printf("unknown option char `\\x%x'.\n", optopt);
-				goto known_args_processed;
-			default:
-				abort();
+				}
+				break;
+			default: abort();
 		}
-known_args_processed:
+	}
 
 	for(index = optind; index < argc; index++)
 		printf("Non-option arg %s\n", argv[index]);
 
+	if(cascade_filename == "")
+	{
+		printf("you must supply a filename with -c option.  example:\n");
+		printf(
+				"%s -c %s\n",
+				argv[0],
+				"/usr/share/opencv/haarcascades/haarcascade_frontalface_alt.xml"
+				);
+		return 1;
+	}
+	if(verbose) printf("SILENT ALARM ACTIVATED!!!\n");
 	return 0;
 }
 
@@ -187,7 +199,6 @@ int main(int argc, char** argv)
 {
 	if(parse_opts(argc, argv)) return 0;
 
-	if(cascade_filename == "") cascade_filename = string(argv[1]);
 	CvHaarClassifierCascade* cascade =
 		load_object_detector(cascade_filename.c_str());