Added generalized compression options.

Added class CompressionOptions which contains the most important
compression/decompression parameters. ParsedCliOptions will inherit
from this class.

src/main/java/azgracompress/compression/CompressionOptions.java

+package azgracompress.compression;
+
+import azgracompress.data.V2i;
+import azgracompress.data.V3i;
+import azgracompress.fileformat.QuantizationType;
+
+/**
+ * Options for the compressor/decompressor.
+ */
+public class CompressionOptions {
+    /**
+     * Type of quantization.
+     */
+    private QuantizationType quantizationType;
+
+    /**
+     * Directory which contains codebook caches.
+     */
+    private String codebookCacheFolder = null;
+
+    /**
+     * Number of bits, which are used to encode single codebook index.
+     */
+    private int bitsPerCodebookIndex = 8;
+
+    /**
+     * Dimensions of the quantization vector.
+     * TODO: Once we support 3D quantization, this should be V3i.
+     */
+    private V2i vectorDimension = new V2i(0);
+
+    /**
+     * Dimensions of the input image data.
+     */
+    private V3i imageDimension = new V3i(0);
+
+    /**
+     * Flag, whether to use middle plane as reference plane for codebook creation.
+     */
+    private boolean useMiddlePlane = false;
+
+    /**
+     * Index of the plane to compress.
+     */
+    private Integer planeIndex = null;
+
+    /**
+     * Range of the planes to compress.
+     */
+    Interval<Integer> planeRange = null;
+
+    /**
+     * Number of workers to be used for different operations.
+     */
+    private int workerCount = 1;
+
+    // NOTE(Moravec): Getters and setters for the private fields.
+
+    public QuantizationType getQuantizationType() {
+        return quantizationType;
+    }
+
+    public void setQuantizationType(QuantizationType quantizationType) {
+        this.quantizationType = quantizationType;
+    }
+
+    public String getCodebookCacheFolder() {
+        return codebookCacheFolder;
+    }
+
+    public void setCodebookCacheFolder(String codebookCacheFolder) {
+        this.codebookCacheFolder = codebookCacheFolder;
+    }
+
+    public int getBitsPerCodebookIndex() {
+        return bitsPerCodebookIndex;
+    }
+
+    public void setBitsPerCodebookIndex(int bitsPerCodebookIndex) {
+        this.bitsPerCodebookIndex = bitsPerCodebookIndex;
+    }
+
+    public V2i getVectorDimension() {
+        return vectorDimension;
+    }
+
+    public void setVectorDimension(V2i vectorDimension) {
+        this.vectorDimension = vectorDimension;
+    }
+
+    public V3i getImageDimension() {
+        return imageDimension;
+    }
+
+    public void setImageDimension(V3i imageDimension) {
+        this.imageDimension = imageDimension;
+    }
+
+    public boolean isUseMiddlePlane() {
+        return useMiddlePlane;
+    }
+
+    public void setUseMiddlePlane(boolean useMiddlePlane) {
+        this.useMiddlePlane = useMiddlePlane;
+    }
+
+    public Integer getPlaneIndex() {
+        return planeIndex;
+    }
+
+    public void setPlaneIndex(Integer planeIndex) {
+        this.planeIndex = planeIndex;
+    }
+
+    public Interval<Integer> getPlaneRange() {
+        return planeRange;
+    }
+
+    public void setPlaneRange(Interval<Integer> planeRange) {
+        this.planeRange = planeRange;
+    }
+
+    public int getWorkerCount() {
+        return workerCount;
+    }
+
+    public void setWorkerCount(int workerCount) {
+        this.workerCount = workerCount;
+    }
+}

src/main/java/azgracompress/compression/Interval.java

+package azgracompress.compression;
+
+public class Interval<T extends Comparable<T>> {
+    /**
+     * Start of the interval.
+     */
+    private final T from;
+
+    /**
+     * End of the interval.
+     */
+    private final T to;
+
+    /**
+     * Construct interval with inclusive end.
+     * @param from Start of the interval,
+     * @param to Inclusive end of the interval.
+     */
+    public Interval(T from, T to) {
+        this.from = from;
+        this.to = to;
+    }
+
+    /**
+     * Get start of the interval.
+     * @return Start of the interval.
+     */
+    public T getFrom() {
+        return from;
+    }
+
+    /**
+     * Get inclusive end of the interval.
+     * @return Inclusive end of the interval.
+     */
+    public T getInclusiveEnd() {
+        return to;
+    }
+}