update example code for extracting thumbnail.

README.md

@@ -26,14 +26,17 @@ java -jar ./target/bioformats-imageinfo-1.1.0-jar-with-dependencies.jar "[path t
 import java.util.LinkedHashMap;
 import java.util.Map;
 import jp.riken.neurodata.tools.BioFormatsImageInfo;
-import jp.riken.neurodata.tools.BioFormatsException;
+import jp.riken.neurodata.tools.BioFormatsImageException;
+import jp.riken.neurodata.tools.BioFormatsImageThumbnail;
 
 String path = "[path to image file]";
 String format = "";
 Map<String, Object> metadata = new LinkedHashMap<String, Object>();
+Map<String, Object> thumbnail = new LinkedHashMap<String, Object>();
 
 try {
   format = BioFormatsImageInfo.readMetadata(path, metadata);
+  BioFormatsImageThumbnail.readThumbnail(path, thumbnail);
 } catch (BioFormatsImageException e) {
   // error occurred
   e.printStackTrace();

src/main/java/jp/riken/neurodata/tools/BioFormatsImageThumbnail.java

@@ -31,7 +31,7 @@ public class BioFormatsImageThumbnail {
     protected static final int BACKGROUND_COLOR = 0x000000;
     protected static final double MAXIMUM_SCALE = 2.0;
 
-    protected static BufferedImage resize(final BufferedImage image, final int width, final int height) {
+    public static BufferedImage resize(final BufferedImage image, final int width, final int height) {
         final boolean hasAlpha = image.getColorModel().hasAlpha();
         final int imageWidth = image.getWidth();
         final int imageHeight = image.getHeight();
@@ -46,7 +46,7 @@ public class BioFormatsImageThumbnail {
         int resizeHeight = imageHeight;
         Image resizeImage = image;
         if (scale != 1.0) {
-            // resize image if dimension is larger than maximum dimention.
+            // resize image if dimension is different with requrested dimension.
             resizeWidth = (int) (scale * (double) imageWidth);
             resizeHeight = (int) (scale * (double) imageHeight);
             resizeImage = image.getScaledInstance(resizeWidth, resizeHeight, Image.SCALE_AREA_AVERAGING);
@@ -242,8 +242,8 @@ public class BioFormatsImageThumbnail {
             final String format = image.getColorModel().hasAlpha() ? "png" : "jpeg";
             // image = resize(image, 160, 160);
             final String dataUri = getDataUri(image, "image/" + format);
-            // System.out.println(dataUri);
-            saveFile(dataUri, "/var/tmp/thumbnail." + format);
+            System.out.println(dataUri);
+            // saveFile(dataUri, "/var/tmp/thumbnail." + format);
         } catch (final BioFormatsImageException e) {
             System.out.println(e.getMessage());
             System.exit(1);