From 32e06a3e08434ca5f0945e713962fe3920260c49 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Du=C5=A1an=20Poizl?= <nou.spiro@gmail.com>
Date: Sat, 30 Jul 2016 21:28:14 +0200
Subject: [PATCH] Fix QPixmap::scaled: Pixmap is a null pixmap error

---
 imagescrollarea.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/imagescrollarea.cpp b/imagescrollarea.cpp
index 7c5a71a..16ff5d6 100644
--- a/imagescrollarea.cpp
+++ b/imagescrollarea.cpp
@@ -32,7 +32,7 @@ void ImageScrollArea::setImage(const QPixmap &img)
 
 void ImageScrollArea::setScale(float scale)
 {
-    if(scale > 4 || (scale < 0.2 && scale > 0))
+    if(scale > 4 || (scale < 0.2 && scale > 0) || m_pixmap.isNull())
         return;
 
     m_scale = scale;
@@ -92,7 +92,7 @@ void ImageScrollArea::mousePressEvent(QMouseEvent *event)
 
 void ImageScrollArea::resizeEvent(QResizeEvent *event)
 {
-    if(m_scale < 0)
+    if(m_scale < 0 && !m_pixmap.isNull())
     {
         m_label->setPixmap(m_pixmap.scaled(event->size(), Qt::KeepAspectRatio, Qt::SmoothTransformation));
         m_label->resize(event->size());