Modify QCMPFileHeaderV1 header variables.

Make variables protected and rename planeDataSizes array to
chunkDataSizes, with this the getters and setters are renamed also.

src/main/java/cz/it4i/qcmp/compression/ImageDecompressor.java

@@ -109,7 +109,7 @@ public class ImageDecompressor extends CompressorDecompressorBase {
 
         if (validFile && options.isVerbose()) {
             final String prefix = header.getQuantizationType() != QuantizationType.Vector3D ? "Plane" : "Voxel layer";
-            final long[] planeDataSizes = header.getPlaneDataSizes();
+            final long[] planeDataSizes = header.getChunkDataSizes();
             long planeIndex = 0;
             for (final long planeDataSize : planeDataSizes) {
                 logBuilder.append(String.format("%s %d: %d Bytes\n", prefix, planeIndex++, planeDataSize));
@@ -244,7 +244,7 @@ public class ImageDecompressor extends CompressorDecompressorBase {
 
             dis.reset();
 
-            header.setPlaneDataSizes(chunkSizes);
+            header.setChunkDataSizes(chunkSizes);
 
 
             return cachedDecompressor.decompressStreamMode(dis, header);

src/main/java/cz/it4i/qcmp/compression/SQImageDecompressor.java

@@ -73,7 +73,7 @@ public class SQImageDecompressor extends CompressorDecompressorBase implements I
 
             reportStatusToListeners(String.format("Decompressing plane %d...", planeIndex));
             byte[] decompressedPlaneData = null;
-            final int planeDataSize = (int) header.getPlaneDataSizes()[planeIndex];
+            final int planeDataSize = (int) header.getChunkDataSizes()[planeIndex];
             try (final InBitStream inBitStream = new InBitStream(compressedStream,
                                                                  header.getBitsPerCodebookIndex(),
                                                                  planeDataSize)) {
@@ -140,7 +140,7 @@ public class SQImageDecompressor extends CompressorDecompressorBase implements I
             }
             assert (codebook != null && huffmanDecoder != null);
 
-            final int planeDataSize = (int) header.getPlaneDataSizes()[planeIndex];
+            final int planeDataSize = (int) header.getChunkDataSizes()[planeIndex];
             try (final InBitStream inBitStream = new InBitStream(compressedStream, header.getBitsPerCodebookIndex(), planeDataSize)) {
                 inBitStream.fillEntireBuffer();
                 inBitStream.setAllowReadFromUnderlyingStream(false);

src/main/java/cz/it4i/qcmp/compression/VQImageDecompressor.java

@@ -139,7 +139,7 @@ public class VQImageDecompressor extends CompressorDecompressorBase implements I
             assert (codebook != null && huffmanDecoder != null);
 
 
-            final int planeDataSize = (int) header.getPlaneDataSizes()[planeIndex];
+            final int planeDataSize = (int) header.getChunkDataSizes()[planeIndex];
             try (final InBitStream inBitStream = new InBitStream(compressedStream,
                                                                  header.getBitsPerCodebookIndex(),
                                                                  planeDataSize)) {
@@ -183,7 +183,7 @@ public class VQImageDecompressor extends CompressorDecompressorBase implements I
 
         for (int planeIndex = 0; planeIndex < planeCountForDecompression; planeIndex++) {
 
-            final int planeDataSize = (int) header.getPlaneDataSizes()[planeIndex];
+            final int planeDataSize = (int) header.getChunkDataSizes()[planeIndex];
             try (final InBitStream inBitStream = new InBitStream(compressedStream,
                                                                  header.getBitsPerCodebookIndex(),
                                                                  planeDataSize)) {
@@ -253,7 +253,7 @@ public class VQImageDecompressor extends CompressorDecompressorBase implements I
                     ? header.getImageSizeZ()
                     : (voxelLayerDepth + (voxelLayerIndex * voxelLayerDepth));
             final V3i currentVoxelLayerDims = new V3i(header.getImageSizeX(), header.getImageSizeY(), toZ - fromZ);
-            final int voxelLayerDataSize = (int) header.getPlaneDataSizes()[voxelLayerIndex];
+            final int voxelLayerDataSize = (int) header.getChunkDataSizes()[voxelLayerIndex];
             final int voxelLayerVoxelCount = Voxel.calculateRequiredVoxelCount(currentVoxelLayerDims, voxelDims);
 
             final int[][] decompressedVoxels = new int[voxelLayerVoxelCount][vectorSize];
@@ -311,7 +311,7 @@ public class VQImageDecompressor extends CompressorDecompressorBase implements I
                     ? header.getImageSizeZ()
                     : (voxelLayerDepth + (voxelLayerIndex * voxelLayerDepth));
             final V3i currentVoxelLayerDims = new V3i(header.getImageSizeX(), header.getImageSizeY(), toZ - fromZ);
-            final int voxelLayerDataSize = (int) header.getPlaneDataSizes()[voxelLayerIndex];
+            final int voxelLayerDataSize = (int) header.getChunkDataSizes()[voxelLayerIndex];
             final int voxelLayerVoxelCount = Voxel.calculateRequiredVoxelCount(currentVoxelLayerDims, voxelDims);
 
             final int[][] decompressedVoxels = new int[voxelLayerVoxelCount][vectorSize];

src/main/java/cz/it4i/qcmp/fileformat/QCMPFileHeaderV1.java

@@ -19,20 +19,20 @@ public class QCMPFileHeaderV1 implements IFileHeader, Cloneable {
     //endregion
 
     //region Header fields
-    private String magicValue = MAGIC_VALUE;
-    private QuantizationType quantizationType;
-    private byte bitsPerCodebookIndex;
-    private boolean codebookPerPlane;
+    protected String magicValue = MAGIC_VALUE;
+    protected QuantizationType quantizationType;
+    protected byte bitsPerCodebookIndex;
+    protected boolean codebookPerPlane;
 
-    private int imageSizeX;
-    private int imageSizeY;
-    private int imageSizeZ;
+    protected int imageSizeX;
+    protected int imageSizeY;
+    protected int imageSizeZ;
 
-    private int vectorSizeX;
-    private int vectorSizeY;
-    private int vectorSizeZ;
+    protected int vectorSizeX;
+    protected int vectorSizeY;
+    protected int vectorSizeZ;
 
-    private long[] planeDataSizes;
+    protected long[] chunkDataSizes;
     //endregion
 
     //region IFileHeader implementation
@@ -121,10 +121,10 @@ public class QCMPFileHeaderV1 implements IFileHeader, Cloneable {
                 ? imageSizeZ
                 : VQImageCompressor.calculateVoxelLayerCount(imageSizeZ, vectorSizeZ);
 
-        planeDataSizes = new long[chunkCount];
+        chunkDataSizes = new long[chunkCount];
         for (int i = 0; i < chunkCount; i++) {
             final long readValue = inputStream.readInt();
-            planeDataSizes[i] = (readValue & 0x00000000FFFFFFFFL);
+            chunkDataSizes[i] = (readValue & 0x00000000FFFFFFFFL);
         }
     }
 
@@ -211,7 +211,7 @@ public class QCMPFileHeaderV1 implements IFileHeader, Cloneable {
 
         // Indices are encoded using huffman. Plane data size is written in the header.
         long totalPlaneDataSize = 0;
-        for (final long planeDataSize : planeDataSizes) {
+        for (final long planeDataSize : chunkDataSizes) {
             totalPlaneDataSize += planeDataSize;
         }
 
@@ -231,7 +231,7 @@ public class QCMPFileHeaderV1 implements IFileHeader, Cloneable {
 
         // Indices are encoded using huffman. Plane data size is written in the header.
         long totalPlaneDataSize = 0;
-        for (final long planeDataSize : planeDataSizes) {
+        for (final long planeDataSize : chunkDataSizes) {
             totalPlaneDataSize += planeDataSize;
         }
         return (codebookDataSize + totalPlaneDataSize);
@@ -361,12 +361,12 @@ public class QCMPFileHeaderV1 implements IFileHeader, Cloneable {
         vectorSizeZ = vectorDims.getZ();
     }
 
-    public long[] getPlaneDataSizes() {
-        return planeDataSizes;
+    public long[] getChunkDataSizes() {
+        return chunkDataSizes;
     }
 
-    public void setPlaneDataSizes(final long[] sizes) {
-        planeDataSizes = sizes;
+    public void setChunkDataSizes(final long[] sizes) {
+        chunkDataSizes = sizes;
     }
 
     public long getHeaderSize() {