The library has become thread-safe

Author: Evgeniy Sidenko

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>openize</groupId>
     <artifactId>openize-heic</artifactId>
-    <version>25.6</version>
+    <version>25.8</version>
 	<name>Openize.HEIC for Java</name>
 	<description>Openize.Heic is an open source implementation of the ISO/IEC 23008-12:2017 HEIF file format decoder. It is written from scratch and has a plain Java API to enable a simple integration into other software.</description>
 	<url>https://github.com/openize-heic/Openize.HEIC-for-Java</url>

src/main/java/openize/heic/decoder/HeicImage.java

@@ -57,7 +57,7 @@ private HeicImage(HeicHeader header, BitStreamWithNalSupport stream)
      * </p>
      * <p>
      * This operation does not decode pixels.
-     * Use the default frame methods GetByteArray or GetInt32Array afterwards in order to decode pixels.
+     * Use the default frame methods GetByteArray or GetInt32Array afterward in order to decode pixels.
      * </p>
      *
      * @param stream File stream.
@@ -198,6 +198,20 @@ public final int[] getInt32Array(PixelFormat pixelFormat, int[] dstArray)
         return getInt32Array(pixelFormat, new Rectangle(), dstArray);
     }
 
+    /**
+     * <p>
+     * Get pixel data of the default image frame in the format of integer array.
+     * </p>
+     * <p>Each int value refers to one pixel left to right top to bottom line by line.</p>
+     *
+     * @param pixelFormat     Pixel format that defines the order of colors.
+     * @param boundsRectangle Bounds of the requested area.
+     * @return Integer array, null if frame does not contain image data. In general, it equals to {@code dstArray}.
+     */
+    public final int[] getInt32Array(PixelFormat pixelFormat, Rectangle boundsRectangle)
+    {
+        return getDefaultFrame().getInt32Array(pixelFormat, boundsRectangle, null);
+    }
     /**
      * <p>
      * Get pixel data of the default image frame in the format of integer array.

src/main/java/openize/heic/decoder/ScalingList.java

@@ -81,7 +81,7 @@ class Scaling
         41,41,54,54,54,71,71,91
     };
 
-    static void initiate(seq_parameter_set_rbsp sps)
+    static synchronized void initiate(seq_parameter_set_rbsp sps)
     {
         if (getScalingFactor() != null)
         {

src/main/java/openize/heic/decoder/Scans.java

@@ -11,19 +11,18 @@
 package openize.heic.decoder;
 
 
-
 final class Scans
 {
     public static byte[][][][] getScanOrder(){ return scanOrder; }
     private static byte[][][][] scanOrder;
 
     private static boolean _initialised = false;
 
-    static void initialize()
+    static synchronized void initialize()
     {
         if (_initialised) return;
-        _initialised = true;
 
+        _initialised = true;
         scanOrderInitialize();
     }
 
@@ -32,17 +31,17 @@ static void scanOrderInitialize()
         scanOrder = new byte[6][][][];
         for (int log2BlockSize = 0; log2BlockSize < 6; log2BlockSize++)
         {
-            getScanOrder()[log2BlockSize] = new byte[4][][];
+            scanOrder[log2BlockSize] = new byte[4][][];
 
             if (log2BlockSize < 4)
             {
-                getScanOrder()[log2BlockSize][0] = diagonalScanInitialize((byte)(1 << log2BlockSize));
-                getScanOrder()[log2BlockSize][1] = horizontalScanInitialize((byte)(1 << log2BlockSize));
-                getScanOrder()[log2BlockSize][2] = verticalScanInitialize((byte)(1 << log2BlockSize));
+                scanOrder[log2BlockSize][0] = diagonalScanInitialize((byte)(1 << log2BlockSize));
+                scanOrder[log2BlockSize][1] = horizontalScanInitialize((byte)(1 << log2BlockSize));
+                scanOrder[log2BlockSize][2] = verticalScanInitialize((byte)(1 << log2BlockSize));
             }
 
             if (log2BlockSize > 1)
-                getScanOrder()[log2BlockSize][3] = traverseScanInitialize((byte)(1 << log2BlockSize));
+                scanOrder[log2BlockSize][3] = traverseScanInitialize((byte)(1 << log2BlockSize));
         }
     }
 
@@ -156,8 +155,4 @@ static byte[][] traverseScanInitialize(byte blkSize)
 
         return travScan;
     }
-
-
-
 }
-