Added trace Ending Style property

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

@@ -425,6 +425,10 @@
 			<releaseDate>2025-12-21 00:00:00.000 CET</releaseDate>
 			<name></name>
 			<changes>
+				<org.diylc.appframework.update.Change>
+					<changeType>NEW_FEATURE</changeType>
+					<description>Added 'Ending Style' property to 'Copper Trace' and 'Curved Trace' to allow choosing round or flat style</description>
+				</org.diylc.appframework.update.Change>
 				<org.diylc.appframework.update.Change>
 					<changeType>IMPROVEMENT</changeType>
 					<description>Added configuration for text scale factor in rare cases when system scale factor is not applied correctly; requires adding a configuration property to confix.xml with key 'fontScaleFactor' and a desired float value</description>

diylc/diylc-library/src/main/java/org/diylc/components/AbstractLeadedComponent.java

@@ -43,7 +43,6 @@ import org.diylc.common.IPlugInPort;
 import org.diylc.common.LineStyle;
 import org.diylc.common.ObjectCache;
 import org.diylc.common.VerticalAlignment;
-import org.diylc.components.AbstractLabeledComponent;
 import org.diylc.core.ComponentState;
 import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
@@ -434,7 +433,7 @@ public abstract class AbstractLeadedComponent<T> extends AbstractLabeledComponen
     Stroke stroke = null;
     switch (getStyle()) {
       case SOLID:
-        stroke = ObjectCache.getInstance().fetchBasicStroke(thickness);
+        stroke = ObjectCache.getInstance().fetchStroke(thickness, getEndingStyle() == LineEndingStyle.Round ? BasicStroke.CAP_ROUND : BasicStroke.CAP_BUTT);
         break;
       case DASHED:
         stroke =
@@ -747,6 +746,10 @@ public abstract class AbstractLeadedComponent<T> extends AbstractLabeledComponen
       hideShortLeads = false;
     return hideShortLeads;
   }
+
+  protected LineEndingStyle getEndingStyle() {
+    return LineEndingStyle.Round;
+  }
   
   public void setHideShortLeads(Boolean hideShortLeads) {
     this.hideShortLeads = hideShortLeads;

diylc/diylc-library/src/main/java/org/diylc/components/LineEndingStyle.java

@@ -0,0 +1,5 @@
+package org.diylc.components;
+
+public enum LineEndingStyle {
+  Round, Flat
+}

diylc/diylc-library/src/main/java/org/diylc/components/connectivity/CopperTrace.java

@@ -28,6 +28,7 @@ import com.bancika.gerberwriter.GerberFunctions;
 import org.diylc.common.ObjectCache;
 import org.diylc.common.PCBLayer;
 import org.diylc.components.AbstractLeadedComponent;
+import org.diylc.components.LineEndingStyle;
 import org.diylc.components.transform.SimpleComponentTransformer;
 import org.diylc.core.ComponentState;
 import org.diylc.core.CreationMethod;
@@ -58,6 +59,7 @@ public class CopperTrace extends AbstractLeadedComponent<Void> implements ILayer
 
   private Size thickness = THICKNESS;
   private PCBLayer layer = PCBLayer._1;
+  private LineEndingStyle endingStyle = LineEndingStyle.Round;
 
   public CopperTrace() {
     super();
@@ -202,6 +204,16 @@ public class CopperTrace extends AbstractLeadedComponent<Void> implements ILayer
     return false;
   }
 
+  @EditableProperty(name = "Ending Style")
+  @Override
+  public LineEndingStyle getEndingStyle() {
+    return endingStyle;
+  }
+
+  public void setEndingStyle(LineEndingStyle endingStyle) {
+    this.endingStyle = endingStyle;
+  }
+
   @Override
   public Set<GerberRenderMode> getGerberRenderModes() {
     return EnumSet.of(GerberRenderMode.Normal);

diylc/diylc-library/src/main/java/org/diylc/components/connectivity/CurvedTrace.java

@@ -17,8 +17,7 @@
  */
 package org.diylc.components.connectivity;
 
-import java.awt.Color;
-import java.awt.Graphics2D;
+import java.awt.*;
 import java.awt.geom.Path2D;
 import java.util.EnumSet;
 import java.util.Set;
@@ -29,6 +28,8 @@ import org.diylc.common.LineStyle;
 import org.diylc.common.ObjectCache;
 import org.diylc.common.PCBLayer;
 import org.diylc.components.AbstractCurvedComponent;
+import org.diylc.components.AbstractLeadedComponent;
+import org.diylc.components.LineEndingStyle;
 import org.diylc.components.transform.SimpleComponentTransformer;
 import org.diylc.core.ComponentState;
 import org.diylc.core.IDIYComponent;
@@ -58,6 +59,7 @@ public class CurvedTrace extends AbstractCurvedComponent<Void> implements ILayer
 
   protected Size size = SIZE;
   private PCBLayer layer = PCBLayer._1;
+  private LineEndingStyle endingStyle = LineEndingStyle.Round;
 
   @Override
   protected Color getDefaultColor() {
@@ -67,7 +69,7 @@ public class CurvedTrace extends AbstractCurvedComponent<Void> implements ILayer
   @Override
   protected void drawCurve(Path2D curve, Graphics2D g2d, ComponentState componentState, IDrawingObserver drawingObserver) {
     float thickness = (float) size.convertToPixels();
-    g2d.setStroke(ObjectCache.getInstance().fetchBasicStroke(thickness));
+    g2d.setStroke(ObjectCache.getInstance().fetchStroke(thickness, getEndingStyle() == LineEndingStyle.Round ? BasicStroke.CAP_ROUND : BasicStroke.CAP_BUTT));
     Color curveColor =
         componentState == ComponentState.SELECTED || componentState == ComponentState.DRAGGING ? SELECTION_COLOR
             : color;
@@ -97,6 +99,15 @@ public class CurvedTrace extends AbstractCurvedComponent<Void> implements ILayer
   public void setLayer(PCBLayer layer) {
     this.layer = layer;
   }
+
+  @EditableProperty(name = "Ending Style")
+  public LineEndingStyle getEndingStyle() {
+    return endingStyle;
+  }
+
+  public void setEndingStyle(LineEndingStyle endingStyle) {
+    this.endingStyle = endingStyle;
+  }
   
   @Override
   public int getLayerId() {