take devicePixelRatio into account when copying a part of a QPixmap (frequently of 2 in macbook and retina displays)

4 years ago · 3874c9127a
parent e2d1594629
commit 3874c9127a
1 changed files with 5 additions and 1 deletions
--- a/src/desktop/UBCustomCaptureWindow.cpp
+++ b/src/desktop/UBCustomCaptureWindow.cpp
@ -60,7 +60,11 @@ QPixmap UBCustomCaptureWindow::getSelectedPixmap()
 {
    if (mSelectionBand)
    {
-        return mWholeScreenPixmap.copy(mSelectionBand->geometry());
+        QRect r = mSelectionBand->geometry();
+        return mWholeScreenPixmap.copy( r.x()       *mWholeScreenPixmap.devicePixelRatio(),
+                                        r.y()       *mWholeScreenPixmap.devicePixelRatio(),
+                                        r.width()   *mWholeScreenPixmap.devicePixelRatio(),
+                                        r.height()  *mWholeScreenPixmap.devicePixelRatio());
    }
    else
    {