diff --git a/bundles/org.eclipse.jface.text/META-INF/MANIFEST.MF b/bundles/org.eclipse.jface.text/META-INF/MANIFEST.MF
index a5507fd35c1..d1429ea7467 100644
--- a/bundles/org.eclipse.jface.text/META-INF/MANIFEST.MF
+++ b/bundles/org.eclipse.jface.text/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.jface.text
-Bundle-Version: 3.28.100.qualifier
+Bundle-Version: 3.28.0.qualifier
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
 Export-Package: 
diff --git a/bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/JFaceTextUtil.java b/bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/JFaceTextUtil.java
index 2421c354d83..62caf8946f8 100644
--- a/bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/JFaceTextUtil.java
+++ b/bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/JFaceTextUtil.java
@@ -18,6 +18,7 @@
 import org.eclipse.swt.graphics.GC;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.internal.DPIUtil;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Display;
 
@@ -82,6 +83,15 @@ public static int computeLineHeight(StyledText textWidget, int startLine, int en
 		return getLinePixel(textWidget, endLine) - getLinePixel(textWidget, startLine);
 	}
 
+	/**
+	 * @since 3.28
+	 */
+	public static float computeLineHeightFloat(StyledText textWidget, int startLine, int endLine, int lineCount) {
+		int lh= computeLineHeight(textWidget, startLine, endLine, lineCount);
+		int zoom= DPIUtil.getZoomForAutoscaleProperty(textWidget.nativeZoom);
+		return DPIUtil.scaleDown((float) DPIUtil.scaleUp(lh, zoom), zoom);
+	}
+
 	/**
 	 * Returns the last fully visible line of the widget. The exact semantics of "last fully visible
 	 * line" are:
@@ -288,6 +298,13 @@ public static int getLinePixel(StyledText textWidget, int line) {
 		return textWidget.getLinePixel(line);
 	}
 
+	/**
+	 * @since 3.28
+	 */
+	public static float getLinePixelFloat(StyledText textWidget, int line) {
+		return textWidget.getLinePixelFloat(line);
+	}
+
 	/*
 	 * @see StyledText#getLineIndex(int)
 	 */
diff --git a/bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/source/LineNumberRulerColumn.java b/bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/source/LineNumberRulerColumn.java
index 4ddb7a353da..52f15a53611 100644
--- a/bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/source/LineNumberRulerColumn.java
+++ b/bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/source/LineNumberRulerColumn.java
@@ -844,7 +844,7 @@ void doPaint(GC gc, ILineRange visibleLines) {
 		Display display= fCachedTextWidget.getDisplay();
 
 		int firstWidgetLineToDraw= JFaceTextUtil.modelLineToWidgetLine(fCachedTextViewer, visibleLines.getStartLine());
-		int y= fCachedTextWidget.getLinePixel(firstWidgetLineToDraw);
+		float y= fCachedTextWidget.getLinePixelFloat(firstWidgetLineToDraw);
 
 		// add empty lines if line is wrapped
 		boolean isWrapActive= fCachedTextWidget.getWordWrap();
@@ -856,7 +856,7 @@ void doPaint(GC gc, ILineRange visibleLines) {
 				continue;
 
 			final int offsetAtLine= fCachedTextWidget.getOffsetAtLine(widgetLine);
-			int lineHeight = JFaceTextUtil.computeLineHeight(fCachedTextWidget, widgetLine, widgetLine + 1, 1);
+			float lineHeight= JFaceTextUtil.computeLineHeightFloat(fCachedTextWidget, widgetLine, widgetLine + 1, 1);
 			paintLine(line, y, lineHeight, gc, display);
 
 			// increment y position
@@ -936,7 +936,7 @@ private int getBaselineBias(GC gc, int widgetLine) {
 	 * @param display the display the drawing occurs on
 	 * @since 3.0
 	 */
-	protected void paintLine(int line, int y, int lineheight, GC gc, Display display) {
+	protected void paintLine(int line, float y, float lineheight, GC gc, Display display) {
 		int widgetLine= JFaceTextUtil.modelLineToWidgetLine(fCachedTextViewer, line);
 
 		String s= createDisplayString(line);
@@ -948,7 +948,7 @@ protected void paintLine(int line, int y, int lineheight, GC gc, Display display
 		int indentation= fIndentation[index];
 		int baselineBias= getBaselineBias(gc, widgetLine);
 		int verticalIndent= fCachedTextViewer.getTextWidget().getLineVerticalIndent(widgetLine);
-		gc.drawString(s, indentation, y + baselineBias + verticalIndent, true);
+		gc.drawString(s, new Point.OfFloat(indentation, y + baselineBias + verticalIndent), true);
 	}
 
 	/**