From 943bfa53cf5df0ecc9b04967a61be17c64e33e77 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@eclectronics.org>
Date: Mon, 3 Feb 2014 13:47:05 +0000
Subject: bug chasing

---
 rotord/src/cvimage.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'rotord/src/cvimage.h')

diff --git a/rotord/src/cvimage.h b/rotord/src/cvimage.h
index 25cf3e8..1210744 100644
--- a/rotord/src/cvimage.h
+++ b/rotord/src/cvimage.h
@@ -130,6 +130,10 @@ namespace Rotor {
 				return true;
 			};
 			bool setup(int _w,int _h){ //set up with internal data
+				if (_w==0||_h==0) {
+					std::cerr<<"Error! cvimage: request to set up image at "<<_w<<"x"<<_h<<std::endl;
+					return false;
+				}
 				if ((w!=_w)|(h!=_h)){
 					free();
 					rgb.create(_h,_w,CV_8UC3);
-- 
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