X-Git-Url: http://www2.svjatoslav.eu/gitweb/?p=imagesqueeze.git;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Feu%2Fsvjatoslav%2Fimagesqueeze%2Fcodec%2FColor.java;h=1f72f21213e7fbb9b13035df176e0e798357062b;hp=1d8b7a62a95440dc7b23731a75a6170f6d7e3274;hb=4595d6b97aff8e6d9dcce902bc2f1119d4ab2f0e;hpb=c7d0b8e1723045c0df086d9214a35f54db47684c

diff --git a/src/main/java/eu/svjatoslav/imagesqueeze/codec/Color.java b/src/main/java/eu/svjatoslav/imagesqueeze/codec/Color.java
index 1d8b7a6..1f72f21 100755
--- a/src/main/java/eu/svjatoslav/imagesqueeze/codec/Color.java
+++ b/src/main/java/eu/svjatoslav/imagesqueeze/codec/Color.java
@@ -1,49 +1,68 @@
+/*
+ * 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 3 of the GNU Lesser General Public License
+ * or later as published by the Free Software Foundation.
+ */
+
 package eu.svjatoslav.imagesqueeze.codec;
 
 /**
  * Helper class to convert between RGB and YUV
  */
-public class Color {
+class Color {
+
+    int r;
+    int g;
+    int b;
 
-	int r;
-	int g;
-	int b;
+    int y;
+    int u;
+    int v;
 
-	int y;
-	int u;
-	int v;
+    public void RGB2YUV() {
 
-	public void YUV2RGB(){
+        y = (int) ((r * 0.299000) + (g * 0.587000) + (b * 0.114000));
+        u = (int) ((r * -0.168736) + (g * -0.331264) + (b * 0.500000) + 128);
+        v = (int) ((r * 0.500000) + (g * -0.418688) + (b * -0.081312) + 128);
 
-		b = (int)(y + 1.4075 * (v - 128));
-		g = (int)(y - 0.3455 * (u - 128) - (0.7169 * (v - 128)));
-		r = (int)(y + 1.7790 * (u - 128));
+        if (y < 0)
+            y = 0;
+        if (u < 0)
+            u = 0;
+        if (v < 0)
+            v = 0;
 
-		if (r < 0) r = 0;
-		if (g < 0) g = 0;
-		if (b < 0) b = 0;
+        if (y > 255)
+            y = 255;
+        if (u > 255)
+            u = 255;
+        if (v > 255)
+            v = 255;
 
-		if (r > 255) r = 255;
-		if (g > 255) g = 255;
-		if (b > 255) b = 255;
+    }
 
-	}
+    public void YUV2RGB() {
 
-	public void RGB2YUV(){
+        b = (int) (y + (1.4075 * (v - 128)));
+        g = (int) (y - (0.3455 * (u - 128)) - (0.7169 * (v - 128)));
+        r = (int) (y + (1.7790 * (u - 128)));
 
-		y = (int)(r * 0.299000 + g * 0.587000 + b * 0.114000);
-		u = (int)(r * -0.168736 + g * -0.331264 + b * 0.500000 + 128);
-		v = (int)(r *  0.500000 + g * -0.418688 + b * -0.081312 + 128);
+        if (r < 0)
+            r = 0;
+        if (g < 0)
+            g = 0;
+        if (b < 0)
+            b = 0;
 
-		if (y < 0) y = 0;
-		if (u < 0) u = 0;
-		if (v < 0) v = 0;
+        if (r > 255)
+            r = 255;
+        if (g > 255)
+            g = 255;
+        if (b > 255)
+            b = 255;
 
-		if (y > 255) y = 255;
-		if (u > 255) u = 255;
-		if (v > 255) v = 255;
-		
-	}
-	
-};
+    }
 
+}