Changeset 17834 in josm for trunk/src/org/openstreetmap

Timestamp:

2021-04-28T22:01:28+02:00 (3 years ago)

Author:

simon04

Message:

see #20813 - Add ImageDisplayTest.testLoadImageRunnablePerformance

File:

• trunk/src/org/openstreetmap/josm/gui/layer/geoimage/ImageDisplay.java (modified) (3 diffs)

trunk/src/org/openstreetmap/josm/gui/layer/geoimage/ImageDisplay.java

@@ -237 +237 @@
 
     /** The thread that reads the images. */
-    private class LoadImageRunnable implements Runnable, ImageObserver {
+    protected class LoadImageRunnable implements Runnable, ImageObserver {
 
         private final ImageEntry entry;
@@ -744 +744 @@
      */
     public void setImage(ImageEntry entry) {
+        LoadImageRunnable runnable = setImage0(entry);
+        if (runnable != null) {
+            new Thread(runnable, LoadImageRunnable.class.getName()).start();
+        }
+    }
+
+    protected LoadImageRunnable setImage0(ImageEntry entry) {
         synchronized (this) {
             this.oldEntry = this.entry;
@@ -755 +762 @@
         }
         repaint();
-        if (entry != null) {
-            new Thread(new LoadImageRunnable(entry), LoadImageRunnable.class.getName()).start();
-        }
+        return entry != null ? new LoadImageRunnable(entry) : null;
     }