1 files changed, 98 insertions, 0 deletions
diff --git a/java/net/sourceforge/zbar/ImageScanner.java b/java/net/sourceforge/zbar/ImageScanner.java
new file mode 100644
index 0000000..02a2a1d
--- /dev/null
+++ b/java/net/sourceforge/zbar/ImageScanner.java
@@ -0,0 +1,98 @@
+/*------------------------------------------------------------------------
+ *  ImageScanner
+ *
+ *  Copyright 2007-2010 (c) Jeff Brown <spadix@users.sourceforge.net>
+ *
+ *  This file is part of the ZBar Bar Code Reader.
+ *
+ *  The ZBar Bar Code Reader is free software; you can redistribute it
+ *  and/or modify it under the terms of the GNU Lesser Public License as
+ *  published by the Free Software Foundation; either version 2.1 of
+ *  the License, or (at your option) any later version.
+ *
+ *  The ZBar Bar Code Reader is distributed in the hope that it will be
+ *  useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+ *  of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser Public License
+ *  along with the ZBar Bar Code Reader; if not, write to the Free
+ *  Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ *  Boston, MA  02110-1301  USA
+ *
+ *  http://sourceforge.net/projects/zbar
+ *------------------------------------------------------------------------*/
+
+package net.sourceforge.zbar;
+
+/** Read barcodes from 2-D images.
+ */
+public class ImageScanner
+{
+    /** C pointer to a zbar_image_scanner_t. */
+    private long peer;
+
+    static
+    {
+        System.loadLibrary("zbarjni");
+        init();
+    }
+    private static native void init();
+
+    public ImageScanner ()
+    {
+        peer = create();
+    }
+
+    /** Create an associated peer instance. */
+    private native long create();
+
+    protected void finalize ()
+    {
+        destroy();
+    }
+
+    /** Clean up native data associated with an instance. */
+    public synchronized void destroy ()
+    {
+        if(peer != 0) {
+            destroy(peer);
+            peer = 0;
+        }
+    }
+
+    /** Destroy the associated peer instance.  */
+    private native void destroy(long peer);
+
+    /** Set config for indicated symbology (0 for all) to specified value.
+     */
+    public native void setConfig(int symbology, int config, int value)
+        throws IllegalArgumentException;
+
+    /** Parse configuration string and apply to image scanner. */
+    public native void parseConfig(String config);
+
+    /** Enable or disable the inter-image result cache (default disabled).
+     * Mostly useful for scanning video frames, the cache filters duplicate
+     * results from consecutive images, while adding some consistency
+     * checking and hysteresis to the results.  Invoking this method also
+     * clears the cache.
+     */
+    public native void enableCache(boolean enable);
+
+    /** Retrieve decode results for last scanned image.
+     * @returns the SymbolSet result container
+     */
+    public SymbolSet getResults ()
+    {
+        return(new SymbolSet(getResults(peer)));
+    }
+
+    private native long getResults(long peer);
+
+    /** Scan for symbols in provided Image.
+     * The image format must currently be "Y800" or "GRAY".
+     * @returns the number of symbols successfully decoded from the image.
+     */
+    public native int scanImage(Image image);
+}