From 873c44611044916d65b4ddb5e2ca64cebebcf303 Mon Sep 17 00:00:00 2001
From: Magne Sjaastad <magne.sjaastad@ceetronsolutions.com>
Date: Tue, 23 Jan 2024 13:20:51 +0100
Subject: [PATCH] Create snapshot image using grabWindow

---
 Fwk/AppFwk/cafViewer/cafViewer.cpp | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/Fwk/AppFwk/cafViewer/cafViewer.cpp b/Fwk/AppFwk/cafViewer/cafViewer.cpp
index 8f219362904..a08012bad35 100644
--- a/Fwk/AppFwk/cafViewer/cafViewer.cpp
+++ b/Fwk/AppFwk/cafViewer/cafViewer.cpp
@@ -74,9 +74,12 @@
 #include "cvfqtUtils.h"
 
 #include <QDebug>
+#include <QGuiApplication>
 #include <QHBoxLayout>
 #include <QInputEvent>
 #include <QPainter>
+#include <QScreen>
+#include <QWindow>
 
 #include <cmath>
 
@@ -1241,15 +1244,16 @@ QImage caf::Viewer::snapshotImage()
     }
     else
     {
-        // Code moved from RimView::snapshotWindowContent()
+        QScreen* screen = QGuiApplication::primaryScreen();
 
-        GLint currentReadBuffer;
-        glGetIntegerv( GL_READ_BUFFER, &currentReadBuffer );
+        if ( const QWindow* window = windowHandle() ) screen = window->screen();
 
-        glReadBuffer( GL_FRONT );
-        image = QImage(); //this->grabFrameBuffer();
-
-        glReadBuffer( currentReadBuffer );
+        if ( screen )
+        {
+            auto windowId       = winId();
+            auto originalPixmap = screen->grabWindow( windowId );
+            image               = originalPixmap.toImage();
+        }
     }
 
     return image;