From 73d64e29878ad49ac2b2039311abccafb5331a00 Mon Sep 17 00:00:00 2001
From: borgmanJeremy <46930769+borgmanJeremy@users.noreply.github.com>
Date: Fri, 10 Dec 2021 11:43:21 -0600
Subject: [PATCH] fixed an issue with the invert tool on hidpi screens (#2153)

---
 src/tools/invert/inverttool.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/tools/invert/inverttool.cpp b/src/tools/invert/inverttool.cpp
index 3597e4f2..60854ec6 100644
--- a/src/tools/invert/inverttool.cpp
+++ b/src/tools/invert/inverttool.cpp
@@ -49,14 +49,17 @@ CaptureTool* InvertTool::copy(QObject* parent)
 
 void InvertTool::process(QPainter& painter, const QPixmap& pixmap)
 {
-    QRect selection = boundingRect();
+    QRect selection = boundingRect().intersected(pixmap.rect());
+    auto pixelRatio = pixmap.devicePixelRatio();
+    QRect selectionScaled = QRect(selection.topLeft() * pixelRatio,
+                                  selection.bottomRight() * pixelRatio);
 
     // Invert selection
-    QPixmap inv = pixmap.copy(selection);
+    QPixmap inv = pixmap.copy(selectionScaled);
     QImage img = inv.toImage();
     img.invertPixels();
 
-    painter.drawImage(selection.intersected(pixmap.rect()), img);
+    painter.drawImage(selection, img);
 }
 
 void InvertTool::drawSearchArea(QPainter& painter, const QPixmap& pixmap)