Changed license to CC0

[imagesqueeze.git] / src / main / java / eu / svjatoslav / imagesqueeze / codec / Approximator.java

diff --git a/src/main/java/eu/svjatoslav/imagesqueeze/codec/Approximator.java b/src/main/java/eu/svjatoslav/imagesqueeze/codec/Approximator.java
index 622ae80..1535a9d 100755 (executable)
--- a/src/main/java/eu/svjatoslav/imagesqueeze/codec/Approximator.java
+++ b/src/main/java/eu/svjatoslav/imagesqueeze/codec/Approximator.java
@@ -1,69 +1,65 @@
+/*
+ * Image codec. Author: Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
+ * This project is released under Creative Commons Zero (CC0) license.
+ */
 package eu.svjatoslav.imagesqueeze.codec;
 
+import eu.svjatoslav.commons.data.BitInputStream;
+import eu.svjatoslav.commons.data.BitOutputStream;
+
 import java.io.IOException;
 
 /**
- * Since it is a lossy codec, instead of storing
- * exact values, approximated values are stored
- * to save on bit count.
+ * Since it is a lossy codec, instead of storing exact values, approximated
+ * values are stored to save on bit count.
  */
 
-public class Approximator implements Comparable<Approximator> {
-
-       public Table yTable = new Table();
-       public Table uTable = new Table();
-       public Table vTable = new Table();
-
-       public Approximator(){
-       }
-
-       public int compareTo(Approximator o) {
-               int result = yTable.compareTo(o.yTable);
-               if (result != 0) return result;
-
-               result = uTable.compareTo(o.uTable);
-               if (result != 0) return result;
-
-               result = vTable.compareTo(o.vTable);
-               return result;
-       }
-       
-       public void initialize(){
-               yTable.reset();
-               uTable.reset();
-               vTable.reset();
-               
-               yTable.addEntry(0, 6, 0);
-               yTable.addEntry(27, 30, 4);
-               yTable.addEntry(255, 255, 6);
-               
-               uTable.addEntry(0, 9, 0);
-               uTable.addEntry(27, 30, 4);
-               uTable.addEntry(255, 255, 6);
-
-               vTable.addEntry(0, 9, 0);
-               vTable.addEntry(27, 30, 4);
-               vTable.addEntry(255, 255, 6);
-               
-               computeLookupTables();
-       }
-       
-       public void save(BitOutputStream outputStream) throws IOException{
-               yTable.save(outputStream);
-               uTable.save(outputStream);
-               vTable.save(outputStream);              
-       }
-       
-       public void load(BitInputStream inputStream) throws IOException {
-               yTable.load(inputStream);
-               uTable.load(inputStream);
-               vTable.load(inputStream);                               
-       }
-
-       public void computeLookupTables(){
-               yTable.computeLookupTables();
-               uTable.computeLookupTables();
-               vTable.computeLookupTables();           
-       }
-       
+class Approximator {
+
+    public final Table yTable = new Table();
+    public final Table uTable = new Table();
+    public final Table vTable = new Table();
+
+    public Approximator() {
+    }
+
+
+    public void computeLookupTables() {
+        yTable.computeLookupTables();
+        uTable.computeLookupTables();
+        vTable.computeLookupTables();
+    }
+
+    public void initialize() {
+        yTable.reset();
+        uTable.reset();
+        vTable.reset();
+
+        yTable.addEntry(0, 6, 0);
+        yTable.addEntry(27, 30, 4);
+        yTable.addEntry(255, 255, 6);
+
+        uTable.addEntry(0, 9, 0);
+        uTable.addEntry(27, 30, 4);
+        uTable.addEntry(255, 255, 6);
+
+        vTable.addEntry(0, 9, 0);
+        vTable.addEntry(27, 30, 4);
+        vTable.addEntry(255, 255, 6);
+
+        computeLookupTables();
+    }
+
+    public void load(final BitInputStream inputStream) throws IOException {
+        yTable.load(inputStream);
+        uTable.load(inputStream);
+        vTable.load(inputStream);
+    }
+
+    public void save(final BitOutputStream outputStream) throws IOException {
+        yTable.save(outputStream);
+        uTable.save(outputStream);
+        vTable.save(outputStream);
+    }
+
 }