configurable high dpi

diylc/diylc-core/src/main/java/org/diylc/common/IPlugInPort.java

@@ -61,6 +61,7 @@ public interface IPlugInPort extends ISelectionProcessor, IMouseProcessor, IKeyP
 
   public static final String ANTI_ALIASING_KEY = "antiAliasing";
   public static final String HI_QUALITY_RENDER_KEY = "hiQualityRender";
+  public static final String HIGH_DPI_RENDERING = "hiDpiRendering";
   public static final String EXPORT_GRID_KEY = "exportGrid";
   public static final String STICKY_POINTS_KEY = "stickyPoints";
   public static final String METRIC_KEY = "metric";

diylc/diylc-core/src/main/java/org/diylc/presenter/DrawingCache.java

@@ -311,6 +311,7 @@ public class DrawingCache {
       this.zoom = zoom;
       this.dx = dx;
       this.dy = dy;
+      this.scaleFactor = scaleFactor;
     }
 
     public IDIYComponent<?> getComponent() {

diylc/diylc-core/src/main/resources/update.xml

@@ -249,6 +249,10 @@
 			<releaseDate>2025-03-09 00:00:00.000 CET</releaseDate>
 			<name></name>
 			<changes>
+				<org.diylc.appframework.update.Change>
+					<changeType>NEW_FEATURE</changeType>
+					<description>Configurable 'High DPI Rendering' feature which makes the diagram smoother on high-resolution displays but can affect performance</description>
+				</org.diylc.appframework.update.Change>
 				<org.diylc.appframework.update.Change>
 					<changeType>IMPROVEMENT</changeType>
 					<description>Upgraded source code structure to modern standards and introduced Maven</description>

diylc/diylc-swing/dict.txt

@@ -275,6 +275,7 @@ Heaters
 Height
 Help
 Hi-Quality Rendering
+High DPI Rendering
 Highlight Connected Areas
 Hole
 Hole Size

diylc/diylc-swing/src/main/java/org/diylc/swing/plugins/canvas/CanvasPanel.java

@@ -42,6 +42,7 @@ import javax.swing.AbstractAction;
 import javax.swing.JComponent;
 import javax.swing.KeyStroke;
 import org.apache.log4j.Logger;
+import org.diylc.appframework.miscutils.IConfigListener;
 import org.diylc.appframework.miscutils.IConfigurationManager;
 
 import org.diylc.common.ComponentType;
@@ -98,6 +99,15 @@ public class CanvasPanel extends JComponent implements Autoscroll {
 //    GraphicsDevice[] devices = graphicsEnvironment.getScreenDevices();
 //    screenGraphicsConfiguration = devices[0].getDefaultConfiguration();
 
+    configManager.addConfigListener(IPlugInPort.HIGH_DPI_RENDERING,
+            new IConfigListener() {
+
+              @Override
+              public void valueChanged(String key, Object value) {
+                bufferImage = null;
+              }
+            });
+
     initializeActions();
   }
 
@@ -311,8 +321,12 @@ public class CanvasPanel extends JComponent implements Autoscroll {
     }
 
     final Graphics2D g2d = (Graphics2D)g;
-    double scaleFactor = Math.sqrt(g2d.getTransform().getDeterminant());
-//    scaleFactor = 1d;
+    double scaleFactor;
+    if (configManager.readBoolean(IPlugInPort.HIGH_DPI_RENDERING, false)) {
+      scaleFactor = Math.sqrt(g2d.getTransform().getDeterminant());
+    } else {
+      scaleFactor = 1d;
+    }
     
     Rectangle visibleRect = getVisibleRect();
 

diylc/diylc-swing/src/main/java/org/diylc/swing/plugins/config/ConfigPlugin.java

@@ -100,6 +100,9 @@ public class ConfigPlugin implements IPlugIn {
 //    swingUI.injectMenuAction(
 //        ActionFactory.getInstance().createConfigAction(plugInPort, "Hardware Acceleration", IPlugInPort.HARDWARE_ACCELERATION, false),
 //        CONFIG_MENU);
+    swingUI.injectMenuAction(
+            ActionFactory.getInstance().createConfigAction(plugInPort, "High DPI Rendering",
+                    IPlugInPort.HIGH_DPI_RENDERING, false), CONFIG_MENU);
     swingUI.injectMenuAction(
         ActionFactory.getInstance().createConfigAction(plugInPort, "Hi-Quality Rendering",
             IPlugInPort.HI_QUALITY_RENDER_KEY, false), CONFIG_MENU);