add zbar qr reader for all qr scans

2026-08-12 01:27:33 +00:00 · 2023-07-14 15:04:27 +02:00
parent 0a469a380b
commit 96fd824a3e
16 changed files with 1038 additions and 0 deletions
@@ -0,0 +1,93 @@
+/*------------------------------------------------------------------------
+ *  SymbolSet
+ *
+ *  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;
+
+import java.io.Closeable;
+
+/**
+ * Immutable container for decoded result symbols associated with an image
+ * or a composite symbol.
+ */
+public class SymbolSet extends java.util.AbstractCollection<Symbol> implements Closeable {
+    static {
+        init();
+    }
+
+    /**
+     * C pointer to a zbar_symbol_set_t.
+     */
+    private long peer;
+
+    /**
+     * SymbolSets are only created by other package methods.
+     */
+    SymbolSet(long peer) {
+        this.peer = peer;
+    }
+
+    private static native void init();
+
+    public void close() {
+        destroy();
+    }
+
+    /**
+     * Clean up native data associated with an instance.
+     */
+    public synchronized void destroy() {
+        if(peer != 0) {
+            destroy(peer);
+            peer = 0;
+        }
+    }
+
+    /**
+     * Release the associated peer instance.
+     */
+    private native void destroy(long peer);
+
+    /**
+     * Retrieve an iterator over the Symbol elements in this collection.
+     */
+    public java.util.Iterator<Symbol> iterator() {
+        long sym = firstSymbol(peer);
+        if(sym == 0) {
+            return (new SymbolIterator(null));
+        }
+
+        return (new SymbolIterator(new Symbol(sym)));
+    }
+
+    /**
+     * Retrieve the number of elements in the collection.
+     */
+    public native int size();
+
+    /**
+     * Retrieve C pointer to first symbol in the set.
+     */
+    private native long firstSymbol(long peer);
+}