Refactor SWT directory structure.

[lgpl/argeo-commons.git] / eclipse / org.argeo.cms.swt / src / org / argeo / cms / swt / osgi / BundleSvgTheme.java

diff --git a/eclipse/org.argeo.cms.swt/src/org/argeo/cms/swt/osgi/BundleSvgTheme.java b/eclipse/org.argeo.cms.swt/src/org/argeo/cms/swt/osgi/BundleSvgTheme.java
deleted file mode 100644 (file)
index e65f226..0000000
--- a/eclipse/org.argeo.cms.swt/src/org/argeo/cms/swt/osgi/BundleSvgTheme.java
+++ /dev/null
@@ -1,105 +0,0 @@
-package org.argeo.cms.swt.osgi;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.lang.System.Logger;
-import java.lang.System.Logger.Level;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Map;
-
-import org.apache.batik.transcoder.TranscoderException;
-import org.apache.batik.transcoder.TranscoderInput;
-import org.apache.batik.transcoder.TranscoderOutput;
-import org.apache.batik.transcoder.image.ImageTranscoder;
-import org.apache.batik.transcoder.image.PNGTranscoder;
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.graphics.ImageData;
-import org.eclipse.swt.widgets.Display;
-import org.osgi.framework.BundleContext;
-
-/** Theme which can dynamically create icons from SVG data. */
-public class BundleSvgTheme extends BundleCmsSwtTheme {
-       private final static Logger logger = System.getLogger(BundleSvgTheme.class.getName());
-
-       private Map<String, Map<Integer, Image>> imageCache = Collections.synchronizedMap(new HashMap<>());
-
-       private Map<Integer, ImageTranscoder> transcoders = Collections.synchronizedMap(new HashMap<>());
-
-       @Override
-       public Image getIcon(String name, Integer preferredSize) {
-               String path = "icons/types/svg/" + name + ".svg";
-               return createImageFromSvg(path, preferredSize);
-       }
-
-       protected Image createImageFromSvg(String path, Integer preferredSize) {
-               Image image = null;
-               if (imageCache.containsKey(path)) {
-                       image = imageCache.get(path).get(preferredSize);
-               }
-               if (image != null)
-                       return image;
-               ImageData imageData = loadFromSvg(path, preferredSize);
-               image = new Image(Display.getDefault(), imageData);
-               if (!imageCache.containsKey(path))
-                       imageCache.put(path, Collections.synchronizedMap(new HashMap<>()));
-               imageCache.get(path).put(preferredSize, image);
-               return image;
-       }
-
-       protected ImageData loadFromSvg(String path, int size) {
-               ImageTranscoder transcoder = null;
-               synchronized (this) {
-                       transcoder = transcoders.get(size);
-                       if (transcoder == null) {
-                               transcoder = new PNGTranscoder();
-                               transcoder.addTranscodingHint(PNGTranscoder.KEY_WIDTH, (float) size);
-                               transcoder.addTranscodingHint(PNGTranscoder.KEY_HEIGHT, (float) size);
-                               transcoders.put(size, transcoder);
-                       }
-               }
-               ImageData imageData;
-               try (InputStream in = getResourceAsStream(path); ByteArrayOutputStream out = new ByteArrayOutputStream();) {
-                       if (in == null)
-                               throw new IllegalArgumentException(path + " not found");
-                       TranscoderInput input = new TranscoderInput(in);
-                       TranscoderOutput output = new TranscoderOutput(out);
-                       transcoder.transcode(input, output);
-                       try (InputStream imageIn = new ByteArrayInputStream(out.toByteArray())) {
-                               imageData = new ImageData(imageIn);
-                       }
-                       logger.log(Level.DEBUG, () -> "Generated " + size + "x" + size + " PNG icon from " + path);
-               } catch (IOException | TranscoderException e) {
-                       throw new RuntimeException("Cannot transcode SVG " + path, e);
-               }
-
-               return imageData;
-       }
-
-       @Override
-       public void init(BundleContext bundleContext, Map<String, String> properties) {
-               super.init(bundleContext, properties);
-
-               // preload all icons
-//             paths: for (String p : getImagesPaths()) {
-//                     if (!p.endsWith(".svg"))
-//                             continue paths;
-//                     createImageFromSvg(p, getDefaultIconSize());
-//             }
-       }
-
-       @Override
-       public void destroy(BundleContext bundleContext, Map<String, String> properties) {
-               Display display = Display.getDefault();
-               if (display != null)
-                       for (String path : imageCache.keySet()) {
-                               for (Image image : imageCache.get(path).values()) {
-                                       display.syncExec(() -> image.dispose());
-                               }
-                       }
-               super.destroy(bundleContext, properties);
-       }
-
-}