JavaScript API enhancements - Document and Image transformation services

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@3465 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/service/cmr/repository/ContentService.java

@@ -126,6 +126,14 @@ public interface ContentService
     @Auditable(parameters = {"sourceMimetype", "targetMimetype"})
     public ContentTransformer getTransformer(String sourceMimetype, String targetMimetype);
     
+    /**
+     * Fetch the transformer that is capable of transforming image content.
+     * 
+     * @return Returns a transformer that can be used, or null if one was not available
+     */
+    @Auditable
+    public ContentTransformer getImageTransformer();
+    
     /**
      * Returns whether a transformer exists that can read the content from
      * the reader and write the content back out to the writer.