Moved bit input and output streams into Svjatoslav Commons library.

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

diff --git a/src/main/java/eu/svjatoslav/imagesqueeze/codec/OperatingContext.java b/src/main/java/eu/svjatoslav/imagesqueeze/codec/OperatingContext.java
index bac1630..e96d610 100755 (executable)
--- a/src/main/java/eu/svjatoslav/imagesqueeze/codec/OperatingContext.java
+++ b/src/main/java/eu/svjatoslav/imagesqueeze/codec/OperatingContext.java
@@ -1,3 +1,12 @@
+/*
+ * Imagesqueeze - Image codec optimized for photos.
+ * Copyright (C) 2012, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
 package eu.svjatoslav.imagesqueeze.codec;
 
 public class OperatingContext {
@@ -7,45 +16,49 @@ public class OperatingContext {
        byte[] uMap;
        byte[] vMap;
        ColorStats colorStats = new ColorStats();
-       
-       public OperatingContext(){
+
+       public OperatingContext() {
        }
 
-       public void initialize(Image image, byte [] brightnessMap, byte [] colornessMap, byte [] colorMap){
-               this.image = image;
-               this.yMap = brightnessMap;
-               this.uMap = colornessMap;
-               this.vMap = colorMap;
-               
-               colorStats.reset();
+       public int getURange(final int index) {
+               final int colorness = ImageEncoder.byteToInt(uMap[index]);
+               return Math.abs(colorness - colorStats.getAverageU());
        }
-       
-       public void measureNeighborEncode(int x, int y){
-               if ((y >= 0) && (y < image.metaData.height) && (x >= 0) && (x < image.metaData.width)){
-
-                       int neighborIndex = y * image.metaData.width + x;
-                       
-                       colorStats.ySum = colorStats.ySum + ImageEncoder.byteToInt(yMap[neighborIndex]);
-                       colorStats.uSum = colorStats.uSum + ImageEncoder.byteToInt(uMap[neighborIndex]);
-                       colorStats.vSum = colorStats.vSum + ImageEncoder.byteToInt(vMap[neighborIndex]);
-                       colorStats.pixelCount++;
-               }
+
+       public int getVRange(final int index) {
+               final int color = ImageEncoder.byteToInt(vMap[index]);
+               return Math.abs(color - colorStats.getAverageV());
        }
 
-       public int getYRange(int index){
-               int brightness = ImageEncoder.byteToInt(yMap[index]);                           
-               return Math.abs(brightness - colorStats.getAverageY());         
+       public int getYRange(final int index) {
+               final int brightness = ImageEncoder.byteToInt(yMap[index]);
+               return Math.abs(brightness - colorStats.getAverageY());
        }
 
-       public int getURange(int index){
-               int colorness = ImageEncoder.byteToInt(uMap[index]);                            
-               return Math.abs(colorness - colorStats.getAverageU());          
+       public void initialize(final Image image, final byte[] brightnessMap,
+                       final byte[] colornessMap, final byte[] colorMap) {
+               this.image = image;
+               yMap = brightnessMap;
+               uMap = colornessMap;
+               vMap = colorMap;
+
+               colorStats.reset();
        }
 
-       public int getVRange(int index){
-               int color = ImageEncoder.byteToInt(vMap[index]);                                
-               return Math.abs(color - colorStats.getAverageV());              
+       public void measureNeighborEncode(final int x, final int y) {
+               if ((y >= 0) && (y < image.metaData.height) && (x >= 0)
+                               && (x < image.metaData.width)) {
+
+                       final int neighborIndex = (y * image.metaData.width) + x;
+
+                       colorStats.ySum = colorStats.ySum
+                                       + ImageEncoder.byteToInt(yMap[neighborIndex]);
+                       colorStats.uSum = colorStats.uSum
+                                       + ImageEncoder.byteToInt(uMap[neighborIndex]);
+                       colorStats.vSum = colorStats.vSum
+                                       + ImageEncoder.byteToInt(vMap[neighborIndex]);
+                       colorStats.pixelCount++;
+               }
        }
 
-               
 }