From 7b9197eea1c21fb8aaa973176d4371ba9e5cd23e Mon Sep 17 00:00:00 2001
From: LKM <cnming2@qq.com>
Date: Thu, 2 Jul 2020 09:16:16 +0800
Subject: [PATCH] fix: #716

---
 src/ui/windows/w_ScreenShot_Core.cpp | 6 +++---
 src/ui/windows/w_ScreenShot_Core.hpp | 1 +
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/ui/windows/w_ScreenShot_Core.cpp b/src/ui/windows/w_ScreenShot_Core.cpp
index 2b8b7988..0df5e7d1 100644
--- a/src/ui/windows/w_ScreenShot_Core.cpp
+++ b/src/ui/windows/w_ScreenShot_Core.cpp
@@ -39,6 +39,7 @@ QImage ScreenShotWindow::DoScreenShot()
     QApplication::processEvents();
     //
     desktopImage = qApp->screenAt(QCursor::pos())->grabWindow(0);
+    scale = qApp->screenAt(QCursor::pos())->devicePixelRatio();
     //
     int w = desktopImage.width();
     int h = desktopImage.height();
@@ -58,7 +59,7 @@ QImage ScreenShotWindow::DoScreenShot()
         }
     }
     setStyleSheet("QDialog { background-color: transparent; }");
-    bg_grey = bg_grey.scaled(bg_grey.size() / devicePixelRatio(), Qt::KeepAspectRatio, Qt::TransformationMode::SmoothTransformation);
+    bg_grey = bg_grey.scaled(bg_grey.size() / scale, Qt::KeepAspectRatio, Qt::TransformationMode::SmoothTransformation);
     auto p = this->palette();
     p.setBrush(QPalette::Window, bg_grey);
     setPalette(p);
@@ -78,8 +79,7 @@ void ScreenShotWindow::pSize()
     imgY = origin.y() < end.y() ? origin.y() : end.y();
     rubber.setGeometry(imgX, imgY, imgW, imgH);
     fg->setGeometry(rubber.geometry());
-    fg->setPixmap(desktopImage.copy(fg->x() * devicePixelRatio(), fg->y() * devicePixelRatio(), fg->width() * devicePixelRatio(),
-                                    fg->height() * devicePixelRatio()));
+    fg->setPixmap(desktopImage.copy(imgX * scale, imgY * scale, imgW * scale, imgH * scale));
 }
 
 bool ScreenShotWindow::event(QEvent *e)
diff --git a/src/ui/windows/w_ScreenShot_Core.hpp b/src/ui/windows/w_ScreenShot_Core.hpp
index a7823204..366e51c6 100644
--- a/src/ui/windows/w_ScreenShot_Core.hpp
+++ b/src/ui/windows/w_ScreenShot_Core.hpp
@@ -34,6 +34,7 @@ class ScreenShotWindow
     void on_startBtn_clicked();
 
   private:
+    double scale;
     QRubberBand rubber;
     // Desktop Image
     QPixmap desktopImage;