X-Git-Url: http://www2.svjatoslav.eu/gitweb/?p=imagesqueeze.git;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Feu%2Fsvjatoslav%2Fimagesqueeze%2Fcodec%2FOperatingContext.java;h=0df97798d368573d7d61b9c89a0bfb39b8b7381e;hp=e96d610ffd5e98ff7b6038e2fc7adbdfde05d15c;hb=4595d6b97aff8e6d9dcce902bc2f1119d4ab2f0e;hpb=4bcffe8896c08c9f60b2707da71bb39a64618d93

diff --git a/src/main/java/eu/svjatoslav/imagesqueeze/codec/OperatingContext.java b/src/main/java/eu/svjatoslav/imagesqueeze/codec/OperatingContext.java
index e96d610..0df9779 100755
--- a/src/main/java/eu/svjatoslav/imagesqueeze/codec/OperatingContext.java
+++ b/src/main/java/eu/svjatoslav/imagesqueeze/codec/OperatingContext.java
@@ -1,64 +1,63 @@
 /*
- * Imagesqueeze - Image codec optimized for photos.
- * Copyright (C) 2012, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
- * 
+ * Imagesqueeze - Image codec. Copyright ©2012-2019, 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.
+ * modify it under the terms of version 3 of the GNU Lesser General Public License
+ * or later as published by the Free Software Foundation.
  */
 
 package eu.svjatoslav.imagesqueeze.codec;
 
-public class OperatingContext {
-
-	Image image;
-	byte[] yMap;
-	byte[] uMap;
-	byte[] vMap;
-	ColorStats colorStats = new ColorStats();
-
-	public OperatingContext() {
-	}
-
-	public int getURange(final int index) {
-		final int colorness = ImageEncoder.byteToInt(uMap[index]);
-		return Math.abs(colorness - colorStats.getAverageU());
-	}
-
-	public int getVRange(final int index) {
-		final int color = ImageEncoder.byteToInt(vMap[index]);
-		return Math.abs(color - colorStats.getAverageV());
-	}
-
-	public int getYRange(final int index) {
-		final int brightness = ImageEncoder.byteToInt(yMap[index]);
-		return Math.abs(brightness - colorStats.getAverageY());
-	}
-
-	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 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++;
-		}
-	}
+class OperatingContext {
+
+    final ColorStats colorStats = new ColorStats();
+    private Image image;
+    private byte[] yMap;
+    private byte[] uMap;
+    private byte[] vMap;
+
+    public OperatingContext() {
+    }
+
+    public int getURange(final int index) {
+        final int colorness = ImageEncoder.byteToInt(uMap[index]);
+        return Math.abs(colorness - colorStats.getAverageU());
+    }
+
+    public int getVRange(final int index) {
+        final int color = ImageEncoder.byteToInt(vMap[index]);
+        return Math.abs(color - colorStats.getAverageV());
+    }
+
+    public int getYRange(final int index) {
+        final int brightness = ImageEncoder.byteToInt(yMap[index]);
+        return Math.abs(brightness - colorStats.getAverageY());
+    }
+
+    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 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++;
+        }
+    }
 
 }