From 8eaed77604b2c0c3490beea36ac86d2f915def0b Mon Sep 17 00:00:00 2001
From: Lars Vogel <Lars.Vogel@vogella.com>
Date: Fri, 13 Oct 2023 11:41:59 +0200
Subject: [PATCH] Update of the image loader example code

---
 com.vogella.service.imageloader/.project        | 17 +++++++++++++++++
 .../services/IBundleResourceLoader.java         |  7 ++++++-
 .../internal/BundleResourceLoaderImpl.java      | 15 +++++++++++++++
 3 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/com.vogella.service.imageloader/.project b/com.vogella.service.imageloader/.project
index 472e8d19..b554de3a 100644
--- a/com.vogella.service.imageloader/.project
+++ b/com.vogella.service.imageloader/.project
@@ -25,9 +25,26 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
 		<nature>org.eclipse.pde.PluginNature</nature>
 		<nature>org.eclipse.jdt.core.javanature</nature>
 	</natures>
+	<filteredResources>
+		<filter>
+			<id>1697119637238</id>
+			<name></name>
+			<type>30</type>
+			<matcher>
+				<id>org.eclipse.core.resources.regexFilterMatcher</id>
+				<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+			</matcher>
+		</filter>
+	</filteredResources>
 </projectDescription>
diff --git a/com.vogella.service.imageloader/src/com/vogella/imageloader/services/IBundleResourceLoader.java b/com.vogella.service.imageloader/src/com/vogella/imageloader/services/IBundleResourceLoader.java
index 3305c132..e808ffa8 100644
--- a/com.vogella.service.imageloader/src/com/vogella/imageloader/services/IBundleResourceLoader.java
+++ b/com.vogella.service.imageloader/src/com/vogella/imageloader/services/IBundleResourceLoader.java
@@ -1,13 +1,18 @@
 package com.vogella.imageloader.services;
 
 import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.swt.graphics.Image;
 
 public interface IBundleResourceLoader {
 
-    // service does NOT recycle the provided image
+    // service does NOT dispose the provided image
     // the consumer of the image is responsible for calling the dispose()
     // method on the created Image object once the Image is not required anymore
     // can be automated with the usage of LocalResourceManager
 
     public ImageDescriptor getImageDescriptor(Class<?> clazz, String path);
+    
+    // service does NOT dispose the provided image nor the created
+    // caller needs to dispose them
+    public Image resize(Image image, int width, int height);
 }
\ No newline at end of file
diff --git a/com.vogella.service.imageloader/src/com/vogella/imageloader/services/internal/BundleResourceLoaderImpl.java b/com.vogella.service.imageloader/src/com/vogella/imageloader/services/internal/BundleResourceLoaderImpl.java
index 0db592e9..422ef6f8 100644
--- a/com.vogella.service.imageloader/src/com/vogella/imageloader/services/internal/BundleResourceLoaderImpl.java
+++ b/com.vogella.service.imageloader/src/com/vogella/imageloader/services/internal/BundleResourceLoaderImpl.java
@@ -5,6 +5,10 @@
 import org.eclipse.core.runtime.FileLocator;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.widgets.Display;
 import org.osgi.framework.Bundle;
 import org.osgi.framework.FrameworkUtil;
 import org.osgi.service.component.annotations.Component;
@@ -22,4 +26,15 @@ public ImageDescriptor getImageDescriptor(Class<?> clazz, String path) {
         return ImageDescriptor.createFromURL(url);
     }
 
+    @Override
+	public Image resize(Image image, int width, int height) {
+		Image scaled = new Image(Display.getDefault(), width, height);
+		GC gc = new GC(scaled);
+		gc.setAntialias(SWT.ON);
+		gc.setInterpolation(SWT.HIGH);
+		gc.drawImage(image, 0, 0, image.getBounds().width, image.getBounds().height, 0, 0, width, height);
+		gc.dispose();
+//		image.dispose(); // caller need to do this
+		return scaled;
+	}
 }
\ No newline at end of file