RenderSelectionToBitmap: fix font size

Author: mx7b7

src/CodeSnip/MainWindow.xaml.cs

@@ -852,13 +852,14 @@ private RenderTargetBitmap RenderSelectionToBitmap(ICSharpCode.AvalonEdit.Editin
                 var codeBrush = new VisualBrush(virtualEditor);
                 dc.DrawRectangle(codeBrush, null, new Rect(padding, padding, contentWidth, contentHeight));
 
+                double fontSize = totalWidth > 200 ? 12 : 8;
                 // Layer 3: Draw the watermark
                 var watermarkText = new FormattedText(
                     "Generated by CodeSnip",
                     System.Globalization.CultureInfo.CurrentCulture,
                     FlowDirection.LeftToRight,
                     new Typeface(new FontFamily("Segoe UI"), FontStyles.Normal, FontWeights.Normal, FontStretches.Normal),
-                    12,
+                    fontSize,
                     new SolidColorBrush(Color.FromArgb(128, 170, 170, 170)), // Semi-transparent gray
                     VisualTreeHelper.GetDpi(this).PixelsPerDip);