now bbfdetect can draw out the image with draw.rb script

bin/bbfdetect.c

@@ -20,13 +20,13 @@ int main(int argc, char** argv)
 	{
 		unsigned int elapsed_time = get_current_time();
 		ccv_array_t* seq = ccv_bbf_detect_objects(image, &cascade, 1, 5, 2, 0, ccv_size(24, 24));
-		printf("elpased time : %d\n", get_current_time() - elapsed_time);
+		elapsed_time = get_current_time() - elapsed_time;
 		for (i = 0; i < seq->rnum; i++)
 		{
 			ccv_bbf_comp_t* comp = (ccv_bbf_comp_t*)ccv_array_get(seq, i);
 			printf("%d %d %d %d %f\n", comp->rect.x, comp->rect.y, comp->rect.width, comp->rect.height, comp->confidence);
 		}
-		printf("total : %d\n", seq->rnum);
+		printf("total : %d in time %dms\n", seq->rnum, elapsed_time);
 		ccv_array_free(seq);
 		ccv_matrix_free(image);
 		ccv_garbage_collect();

bin/draw.rb

@@ -0,0 +1,17 @@
+#!/usr/bin/env ruby
+
+exit unless ARGV.length == 2
+
+rect = ""
+STDIN.each_line do |line|
+	print line
+	args = line.split(" ")
+	break if args[0] == 'total'
+	x = args[0].to_f
+	y = args[1].to_f
+	width = args[2].to_f
+	height = args[3].to_f
+	rect += sprintf("-draw \"rectangle %d,%d,%d,%d\" ", x, y, x + width, y + height)
+end
+
+system(sprintf("convert %s -fill none -stroke red -strokewidth 3 %s%s", ARGV[0], rect, ARGV[1]))