From cb86646457b17a1d1aa92a947db82a90d697e948 Mon Sep 17 00:00:00 2001
From: Ivan Pelipenko <peri4ko@yandex.ru>
Date: Mon, 5 Oct 2020 20:45:25 +0300
Subject: [PATCH] ImageView null pixmap crash fix

---
 libs/widgets/image_view.cpp | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/libs/widgets/image_view.cpp b/libs/widgets/image_view.cpp
index d1a4539..d345a3d 100644
--- a/libs/widgets/image_view.cpp
+++ b/libs/widgets/image_view.cpp
@@ -125,12 +125,15 @@ bool ImageView::eventFilter(QObject * o, QEvent * e) {
 
 
 void ImageView::adjustView() {
-	qreal mp = map.width() / map.size().boundedTo(size()).width();
-	if (mp > 1) {
-		item.setPixmap(map.scaled(map.size()/mp, Qt::KeepAspectRatio, Qt::SmoothTransformation));
-	} else {
+	int nw = map.size().boundedTo(size()).width();
+	if (nw > 0) {
+		qreal mp = map.width() / nw;
+		if (mp > 1.)
+			item.setPixmap(map.scaled(map.size() / mp, Qt::KeepAspectRatio, Qt::SmoothTransformation));
+		else
+			item.setPixmap(map);
+	} else
 		item.setPixmap(map);
-	}
 	if (!autofit_) return;
 	setSceneRect(item.boundingRect());
 	fitInView(&item, Qt::KeepAspectRatio);