From 7c0849941597490b39118315177d6463a8e65b3d Mon Sep 17 00:00:00 2001 From: Johannes Hofmann Date: Mon, 18 Dec 2006 22:18:07 +0100 Subject: fix segfault when starting without image --- src/GipfelWidget.cxx | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'src') diff --git a/src/GipfelWidget.cxx b/src/GipfelWidget.cxx index e80d94c..591e4eb 100644 --- a/src/GipfelWidget.cxx +++ b/src/GipfelWidget.cxx @@ -521,7 +521,11 @@ GipfelWidget::get_tilt_angle() { double GipfelWidget::get_focal_length_35mm() { - return pan->get_scale() * 35.0 / (double) img->w(); + if (img == NULL) { + return NAN; + } else { + return pan->get_scale() * 35.0 / (double) img->w(); + } } double -- cgit v1.2.3