Add DPIUtil method for running code in custom auto-scale mode

Author: HeikoKlare

bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/internal/DPIUtil.java

@@ -605,10 +605,6 @@ public static int getDeviceZoom() {
 	return deviceZoom;
 }
 
-public static int getDeviceZoom(String autoScaleProperty) {
-	return getZoomForAutoscaleProperty(nativeDeviceZoom, autoScaleProperty);
-}
-
 public static void setDeviceZoom (int nativeDeviceZoom) {
 	DPIUtil.nativeDeviceZoom = nativeDeviceZoom;
 	int deviceZoom = getZoomForAutoscaleProperty (nativeDeviceZoom);
@@ -676,6 +672,16 @@ private static int getZoomForAutoscaleProperty (int nativeDeviceZoom, String aut
 	return zoom;
 }
 
+public static void runWithAutoScaleValue(String autoScaleValue, Runnable runnable) {
+	String initialAutoScaleValue = DPIUtil.autoScaleValue;
+	DPIUtil.autoScaleValue = autoScaleValue;
+	try {
+		runnable.run();
+	} finally {
+		DPIUtil.autoScaleValue = initialAutoScaleValue;
+	}
+}
+
 public static void setMonitorSpecificScaling(boolean activate) {
 	System.setProperty(SWT_AUTOSCALE_UPDATE_ON_RUNTIME, Boolean.toString(activate));
 }