summaryrefslogtreecommitdiffstats
path: root/java/net
diff options
context:
space:
mode:
Diffstat (limited to 'java/net')
-rw-r--r--java/net/sourceforge/zbar/Config.java56
-rw-r--r--java/net/sourceforge/zbar/Image.java163
-rw-r--r--java/net/sourceforge/zbar/ImageScanner.java98
-rw-r--r--java/net/sourceforge/zbar/Modifier.java42
-rw-r--r--java/net/sourceforge/zbar/Orientation.java42
-rw-r--r--java/net/sourceforge/zbar/Symbol.java199
-rw-r--r--java/net/sourceforge/zbar/SymbolIterator.java70
-rw-r--r--java/net/sourceforge/zbar/SymbolSet.java82
8 files changed, 752 insertions, 0 deletions
diff --git a/java/net/sourceforge/zbar/Config.java b/java/net/sourceforge/zbar/Config.java
new file mode 100644
index 0000000..019ea6c
--- /dev/null
+++ b/java/net/sourceforge/zbar/Config.java
@@ -0,0 +1,56 @@
+/*------------------------------------------------------------------------
+ * Config
+ *
+ * Copyright 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;
+
+/** Decoder configuration options.
+ */
+public class Config
+{
+ /** Enable symbology/feature. */
+ public static final int ENABLE = 0;
+ /** Enable check digit when optional. */
+ public static final int ADD_CHECK = 1;
+ /** Return check digit when present. */
+ public static final int EMIT_CHECK = 2;
+ /** Enable full ASCII character set. */
+ public static final int ASCII = 3;
+
+ /** Minimum data length for valid decode. */
+ public static final int MIN_LEN = 0x20;
+ /** Maximum data length for valid decode. */
+ public static final int MAX_LEN = 0x21;
+
+ /** Required video consistency frames. */
+ public static final int UNCERTAINTY = 0x40;
+
+ /** Enable scanner to collect position data. */
+ public static final int POSITION = 0x80;
+
+ /** Image scanner vertical scan density. */
+ public static final int X_DENSITY = 0x100;
+ /** Image scanner horizontal scan density. */
+ public static final int Y_DENSITY = 0x101;
+}
diff --git a/java/net/sourceforge/zbar/Image.java b/java/net/sourceforge/zbar/Image.java
new file mode 100644
index 0000000..8227a4f
--- /dev/null
+++ b/java/net/sourceforge/zbar/Image.java
@@ -0,0 +1,163 @@
+/*------------------------------------------------------------------------
+ * 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);
+
+}
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);
+}
diff --git a/java/net/sourceforge/zbar/Modifier.java b/java/net/sourceforge/zbar/Modifier.java
new file mode 100644
index 0000000..451bb2e
--- /dev/null
+++ b/java/net/sourceforge/zbar/Modifier.java
@@ -0,0 +1,42 @@
+/*------------------------------------------------------------------------
+ * Modifier
+ *
+ * Copyright 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;
+
+/** Decoder symbology modifiers.
+ */
+public class Modifier
+{
+ /** barcode tagged as GS1 (EAN.UCC) reserved
+ * (eg, FNC1 before first data character).
+ * data may be parsed as a sequence of GS1 AIs
+ */
+ public static final int GS1 = 0;
+
+ /** barcode tagged as AIM reserved
+ * (eg, FNC1 after first character or digit pair)
+ */
+ public static final int AIM = 1;
+}
diff --git a/java/net/sourceforge/zbar/Orientation.java b/java/net/sourceforge/zbar/Orientation.java
new file mode 100644
index 0000000..6643695
--- /dev/null
+++ b/java/net/sourceforge/zbar/Orientation.java
@@ -0,0 +1,42 @@
+/*------------------------------------------------------------------------
+ * Orientation
+ *
+ * Copyright 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;
+
+/** Decoded symbol coarse orientation.
+ */
+public class Orientation
+{
+ /** Unable to determine orientation. */
+ public static final int UNKNOWN = -1;
+ /** Upright, read left to right. */
+ public static final int UP = 0;
+ /** sideways, read top to bottom */
+ public static final int RIGHT = 1;
+ /** upside-down, read right to left */
+ public static final int DOWN = 2;
+ /** sideways, read bottom to top */
+ public static final int LEFT = 3;
+}
diff --git a/java/net/sourceforge/zbar/Symbol.java b/java/net/sourceforge/zbar/Symbol.java
new file mode 100644
index 0000000..54f40f5
--- /dev/null
+++ b/java/net/sourceforge/zbar/Symbol.java
@@ -0,0 +1,199 @@
+/*------------------------------------------------------------------------
+ * Symbol
+ *
+ * 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;
+
+/** Immutable container for decoded result symbols associated with an image
+ * or a composite symbol.
+ */
+public class Symbol
+{
+ /** No symbol decoded. */
+ public static final int NONE = 0;
+ /** Symbol detected but not decoded. */
+ public static final int PARTIAL = 1;
+
+ /** EAN-8. */
+ public static final int EAN8 = 8;
+ /** UPC-E. */
+ public static final int UPCE = 9;
+ /** ISBN-10 (from EAN-13). */
+ public static final int ISBN10 = 10;
+ /** UPC-A. */
+ public static final int UPCA = 12;
+ /** EAN-13. */
+ public static final int EAN13 = 13;
+ /** ISBN-13 (from EAN-13). */
+ public static final int ISBN13 = 14;
+ /** Interleaved 2 of 5. */
+ public static final int I25 = 25;
+ /** DataBar (RSS-14). */
+ public static final int DATABAR = 34;
+ /** DataBar Expanded. */
+ public static final int DATABAR_EXP = 35;
+ /** Codabar. */
+ public static final int CODABAR = 38;
+ /** Code 39. */
+ public static final int CODE39 = 39;
+ /** PDF417. */
+ public static final int PDF417 = 57;
+ /** QR Code. */
+ public static final int QRCODE = 64;
+ /** Code 93. */
+ public static final int CODE93 = 93;
+ /** Code 128. */
+ public static final int CODE128 = 128;
+
+ /** C pointer to a zbar_symbol_t. */
+ private long peer;
+
+ /** Cached attributes. */
+ private int type;
+
+ static
+ {
+ System.loadLibrary("zbarjni");
+ init();
+ }
+ private static native void init();
+
+ /** Symbols are only created by other package methods. */
+ Symbol (long peer)
+ {
+ this.peer = peer;
+ }
+
+ protected void finalize ()
+ {
+ 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 type of decoded symbol. */
+ public int getType ()
+ {
+ if(type == 0)
+ type = getType(peer);
+ return(type);
+ }
+
+ private native int getType(long peer);
+
+ /** Retrieve symbology boolean configs settings used during decode. */
+ public native int getConfigMask();
+
+ /** Retrieve symbology characteristics detected during decode. */
+ public native int getModifierMask();
+
+ /** Retrieve data decoded from symbol as a String. */
+ public native String getData();
+
+ /** Retrieve raw data bytes decoded from symbol. */
+ public native byte[] getDataBytes();
+
+ /** Retrieve a symbol confidence metric. Quality is an unscaled,
+ * relative quantity: larger values are better than smaller
+ * values, where "large" and "small" are application dependent.
+ */
+ public native int getQuality();
+
+ /** Retrieve current cache count. When the cache is enabled for
+ * the image_scanner this provides inter-frame reliability and
+ * redundancy information for video streams.
+ * @returns < 0 if symbol is still uncertain
+ * @returns 0 if symbol is newly verified
+ * @returns > 0 for duplicate symbols
+ */
+ public native int getCount();
+
+ /** Retrieve an approximate, axis-aligned bounding box for the
+ * symbol.
+ */
+ public int[] getBounds ()
+ {
+ int n = getLocationSize(peer);
+ if(n <= 0)
+ return(null);
+
+ int[] bounds = new int[4];
+ int xmin = Integer.MAX_VALUE;
+ int xmax = Integer.MIN_VALUE;
+ int ymin = Integer.MAX_VALUE;
+ int ymax = Integer.MIN_VALUE;
+
+ for(int i = 0; i < n; i++) {
+ int x = getLocationX(peer, i);
+ if(xmin > x) xmin = x;
+ if(xmax < x) xmax = x;
+
+ int y = getLocationY(peer, i);
+ if(ymin > y) ymin = y;
+ if(ymax < y) ymax = y;
+ }
+ bounds[0] = xmin;
+ bounds[1] = ymin;
+ bounds[2] = xmax - xmin;
+ bounds[3] = ymax - ymin;
+ return(bounds);
+ }
+
+ private native int getLocationSize(long peer);
+ private native int getLocationX(long peer, int idx);
+ private native int getLocationY(long peer, int idx);
+
+ public int[] getLocationPoint (int idx)
+ {
+ int[] p = new int[2];
+ p[0] = getLocationX(peer, idx);
+ p[1] = getLocationY(peer, idx);
+ return(p);
+ }
+
+ /** Retrieve general axis-aligned, orientation of decoded
+ * symbol.
+ */
+ public native int getOrientation();
+
+ /** Retrieve components of a composite result. */
+ public SymbolSet getComponents ()
+ {
+ return(new SymbolSet(getComponents(peer)));
+ }
+
+ private native long getComponents(long peer);
+
+ native long next();
+}
diff --git a/java/net/sourceforge/zbar/SymbolIterator.java b/java/net/sourceforge/zbar/SymbolIterator.java
new file mode 100644
index 0000000..954a5aa
--- /dev/null
+++ b/java/net/sourceforge/zbar/SymbolIterator.java
@@ -0,0 +1,70 @@
+/*------------------------------------------------------------------------
+ * SymbolIterator
+ *
+ * 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;
+
+/** Iterator over a SymbolSet.
+ */
+public class SymbolIterator
+ implements java.util.Iterator<Symbol>
+{
+ /** Next symbol to be returned by the iterator. */
+ private Symbol current;
+
+ /** SymbolIterators are only created by internal interface methods. */
+ SymbolIterator (Symbol first)
+ {
+ current = first;
+ }
+
+ /** Returns true if the iteration has more elements. */
+ public boolean hasNext ()
+ {
+ return(current != null);
+ }
+
+ /** Retrieves the next element in the iteration. */
+ public Symbol next ()
+ {
+ if(current == null)
+ throw(new java.util.NoSuchElementException
+ ("access past end of SymbolIterator"));
+
+ Symbol result = current;
+ long sym = current.next();
+ if(sym != 0)
+ current = new Symbol(sym);
+ else
+ current = null;
+ return(result);
+ }
+
+ /** Raises UnsupportedOperationException. */
+ public void remove ()
+ {
+ throw(new UnsupportedOperationException
+ ("SymbolIterator is immutable"));
+ }
+}
diff --git a/java/net/sourceforge/zbar/SymbolSet.java b/java/net/sourceforge/zbar/SymbolSet.java
new file mode 100644
index 0000000..1c9110a
--- /dev/null
+++ b/java/net/sourceforge/zbar/SymbolSet.java
@@ -0,0 +1,82 @@
+/*------------------------------------------------------------------------
+ * 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;
+
+/** Immutable container for decoded result symbols associated with an image
+ * or a composite symbol.
+ */
+public class SymbolSet
+ extends java.util.AbstractCollection<Symbol>
+{
+ /** C pointer to a zbar_symbol_set_t. */
+ private long peer;
+
+ static
+ {
+ System.loadLibrary("zbarjni");
+ init();
+ }
+ private static native void init();
+
+ /** SymbolSets are only created by other package methods. */
+ SymbolSet (long peer)
+ {
+ this.peer = peer;
+ }
+
+ protected void finalize ()
+ {
+ 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);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-03 18:06:17 +0000