(camel) branch main updated: camel-diagram - Use dashed stroke in EIP borders to make it more suttle and avoid same stroke as arrows. (#23092)

[davsclaus]

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davsclaus pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/camel.git


The following commit(s) were added to refs/heads/main by this push:
     new c7e494454dbf camel-diagram - Use dashed stroke in EIP borders to make 
it more suttle and avoid same stroke as arrows. (#23092)
c7e494454dbf is described below

commit c7e494454dbf892f83d18ee959f9e49f84747f21
Author: Claus Ibsen <claus.ib...@gmail.com>
AuthorDate: Sun May 10 12:40:38 2026 +0200

    camel-diagram - Use dashed stroke in EIP borders to make it more suttle and 
avoid same stroke as arrows. (#23092)
---
 .../apache/camel/diagram/RouteDiagramRenderer.java    | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git 
a/components/camel-diagram/src/main/java/org/apache/camel/diagram/RouteDiagramRenderer.java
 
b/components/camel-diagram/src/main/java/org/apache/camel/diagram/RouteDiagramRenderer.java
index 8c108afc8ab8..a77ff9722ef4 100644
--- 
a/components/camel-diagram/src/main/java/org/apache/camel/diagram/RouteDiagramRenderer.java
+++ 
b/components/camel-diagram/src/main/java/org/apache/camel/diagram/RouteDiagramRenderer.java
@@ -16,12 +16,7 @@
  */
 package org.apache.camel.diagram;
 
-import java.awt.BasicStroke;
-import java.awt.Color;
-import java.awt.Font;
-import java.awt.FontMetrics;
-import java.awt.Graphics2D;
-import java.awt.RenderingHints;
+import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -52,6 +47,16 @@ public class RouteDiagramRenderer {
     private static final int LABEL_TEXT_BASELINE = 14 * SCALE;
     public static final int MAX_IMAGE_DIMENSION = 16384;
 
+    private static final float[] DASH_PATTERN = { 10f, 5f }; // 10 pixels on, 
5 pixels off
+    private static final Stroke DASHED_STROKE = new BasicStroke(
+            STROKE_WIDTH,            // line width
+            BasicStroke.CAP_BUTT,    // end cap style
+            BasicStroke.JOIN_BEVEL,  // join style
+            0f,                      // miter limit (not used for bevel)
+            DASH_PATTERN,            // dash pattern array
+            0f                       // dash phase (offset)
+    );
+
     private final int nodeWidth;
     private final int fontSizeNode;
     private final int fontSizeLabel;
@@ -277,7 +282,7 @@ public class RouteDiagramRenderer {
 
         Color c = colors.getArrow();
         g.setColor(new Color(c.getRed(), c.getGreen(), c.getBlue(), 140));
-        g.setStroke(new BasicStroke(STROKE_WIDTH));
+        g.setStroke(DASHED_STROKE);
         g.drawRoundRect(boxX, boxY, boxW, boxH, ARC, ARC);
     }