From b797eb6a7049a318253bf82be4ecd1237260fdf7 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Tue, 12 Mar 2019 15:12:18 +0100
Subject: [PATCH] fix problem that too large splash image make dialog too large

---
 src/Gui/Splashscreen.cpp | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/Gui/Splashscreen.cpp b/src/Gui/Splashscreen.cpp
index e097a1c11b..1509b5cbb5 100644
--- a/src/Gui/Splashscreen.cpp
+++ b/src/Gui/Splashscreen.cpp
@@ -26,6 +26,7 @@
 # include <cstdlib>
 # include <QApplication>
 # include <QClipboard>
+# include <QDesktopWidget>
 # include <QDesktopServices>
 # include <QDialogButtonBox>
 # include <QLocale>
@@ -245,7 +246,20 @@ AboutDialog::AboutDialog(bool showLic, QWidget* parent)
 
     setModal(true);
     ui->setupUi(this);
-    ui->labelSplashPicture->setPixmap(getMainWindow()->splashImage());
+    QRect rect = QApplication::desktop()->availableGeometry();
+    QPixmap image = getMainWindow()->splashImage();
+
+    // Make sure the image is not too big
+    if (image.height() > rect.height()/2 || image.width() > rect.width()/2) {
+        float scale = static_cast<float>(image.width()) / static_cast<float>(image.height());
+        int width = std::min(image.width(), rect.width()/2);
+        int height = std::min(image.height(), rect.height()/2);
+        height = std::min(height, static_cast<int>(width / scale));
+        width = static_cast<int>(scale * height);
+
+        image = image.scaled(width, height);
+    }
+    ui->labelSplashPicture->setPixmap(image);
 //    if (showLic) { // currently disabled. Additional license blocks are always shown.
         QString info(QLatin1String("SUCH DAMAGES.<hr/>"));
         // any additional piece of text to be added after the main license text goes below.