1 files changed, 163 insertions, 0 deletions
diff --git a/java/net/sourceforge/zbar/Image.java b/java/net/sourceforge/zbar/Image.java
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+++ b/java/net/sourceforge/zbar/Image.java
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+/*------------------------------------------------------------------------
+ *  Image
+ *
+ *  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;
+
+/** stores image data samples along with associated format and size
+ * metadata.
+ */
+public class Image
+{
+    /** C pointer to a zbar_symbol_t. */
+    private long peer;
+    private Object data;
+
+    static
+    {
+        System.loadLibrary("zbarjni");
+        init();
+    }
+    private static native void init();
+
+    public Image ()
+    {
+        peer = create();
+    }
+
+    public Image (int width, int height)
+    {
+        this();
+        setSize(width, height);
+    }
+
+    public Image (int width, int height, String format)
+    {
+        this();
+        setSize(width, height);
+        setFormat(format);
+    }
+
+    public Image (String format)
+    {
+        this();
+        setFormat(format);
+    }
+
+    Image (long peer)
+    {
+        this.peer = peer;
+    }
+
+    /** 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);
+
+    /** Image format conversion.
+     * @returns a @em new image with the sample data from the original
+     * image converted to the requested format fourcc.  the original
+     * image is unaffected.
+     */
+    public Image convert (String format)
+    {
+        long newpeer = convert(peer, format);
+        if(newpeer == 0)
+            return(null);
+        return(new Image(newpeer));
+    }
+
+    private native long convert(long peer, String format);
+
+    /** Retrieve the image format fourcc. */
+    public native String getFormat();
+
+    /** Specify the fourcc image format code for image sample data. */
+    public native void setFormat(String format);
+
+    /** Retrieve a "sequence" (page/frame) number associated with this
+     * image.
+     */
+    public native int getSequence();
+
+    /** Associate a "sequence" (page/frame) number with this image. */
+    public native void setSequence(int seq);
+
+    /** Retrieve the width of the image. */
+    public native int getWidth();
+
+    /** Retrieve the height of the image. */
+    public native int getHeight();
+
+    /** Retrieve the size of the image. */
+    public native int[] getSize();
+
+    /** Specify the pixel size of the image. */
+    public native void setSize(int width, int height);
+
+    /** Specify the pixel size of the image. */
+    public native void setSize(int[] size);
+
+    /** Retrieve the crop region of the image. */
+    public native int[] getCrop();
+
+    /** Specify the crop region of the image. */
+    public native void setCrop(int x, int y, int width, int height);
+
+    /** Specify the crop region of the image. */
+    public native void setCrop(int[] crop);
+
+    /** Retrieve the image sample data. */
+    public native byte[] getData();
+
+    /** Specify image sample data. */
+    public native void setData(byte[] data);
+
+    /** Specify image sample data. */
+    public native void setData(int[] data);
+
+    /** Retrieve the decoded results associated with this image. */
+    public SymbolSet getSymbols ()
+    {
+        return(new SymbolSet(getSymbols(peer)));
+    }
+
+    private native long getSymbols(long peer);
+
+}