save data files only if debug output dir is set

image.c

@@ -131,12 +131,12 @@ void image_draw_rect (ImageRaw *img, Rect *r, int col) {
 	int x, y;
 
 	for (x = 0; x < r->w && x + r->x < img->w; x++) {
-		image_draw_pixel (img, x, r->y, col);
-		image_draw_pixel (img, x, r->y+r->h-1, col);
+		image_draw_pixel (img, x + r->x, r->y, col);
+		image_draw_pixel (img, x + r->x, r->y+r->h-1, col);
 	}
 	for (y = 0; y < r->h && y + r->y < img->h; y++) {
-		image_draw_pixel (img, r->x, y, col);
-		image_draw_pixel (img, r->x + r->w - 1, y, col);
+		image_draw_pixel (img, r->x, r->y + y, col);
+		image_draw_pixel (img, r->x + r->w - 1,r->y +  y, col);
 	}
 }
 

main.c

@@ -6,7 +6,7 @@
 #include "vidoiltank.h"
 
 char conf_devname[LEN_FILENAME] = "/dev/video0";
-char conf_debugout[LEN_FILENAME] = ".";
+char conf_debugout[LEN_FILENAME] = "";
 int conf_width = 1920;
 int conf_height = 1080;
 int conf_iomode = IOM_MMAP;
@@ -102,7 +102,7 @@ int main(int argc, char **argv) {
 	//
 	// search for god brightness and contrast
 	printf ("check controls\n");
-	cont = 200;		// just picked some random numbers
+	cont = 200;	// just picked some random numbers
 	bright = 170;	// just picked some random numbers
 	for (level = 0, c = 32; c <= 250; c += 64)
 		for (b = 32; b <= 250; b += 64) {
@@ -143,7 +143,7 @@ int main(int argc, char **argv) {
 		if (i == 0) {
 			snprintf (fn, 3*LEN_FILENAME, "%s/%s-img-%02d-%02d.jpg", conf_debugout, outdate, bright, cont);
 			image_draw_rect(img, &conf_rect, 0x00FFFF);
-			image_save(img, fn, 98);
+			if (strlen(conf_debugout) > 0) image_save(img, fn, 98);
 		}
 	}
 	if (vid_stop(video) == -1) return -1;
@@ -152,7 +152,7 @@ int main(int argc, char **argv) {
 
 	tmpimg = image_copyF(imgf);
 	snprintf (fn, 3*LEN_FILENAME, "%s/%s-imgf-%03d.jpg", conf_debugout, outdate, conf_samples);
-	image_save(tmpimg, fn, 98);
+	if (strlen(conf_debugout) > 0) image_save(tmpimg, fn, 98);
 
 	printf ("detect level\n");
 	level = detect_level(imgf);
@@ -161,7 +161,7 @@ int main(int argc, char **argv) {
 	Rect r = {.x = 0,  .y = level, .w = 10, .h = 1};
 	image_draw_rect(tmpimg,  &r, 0x0000FF00);
 	snprintf (fn, 3*LEN_FILENAME, "%s/%s-img-data.jpg", conf_debugout, outdate);
-	image_save(tmpimg, fn, 98);
+	if (strlen(conf_debugout) > 0) image_save(tmpimg, fn, 98);
 
 	printf ("%s Found Level: %5.2f    Y-Pos: %d\n", outdate, 100.0 * (1.0-(float)level/(float)imgf->h), level);