[LIB-9] Add functional for transcoding vector images

[chesshog.git] / chesshog-graphics / src / main / java / org / hedgecode / chess / img / board / SquarePair.java

diff --git a/chesshog-graphics/src/main/java/org/hedgecode/chess/img/board/SquarePair.java b/chesshog-graphics/src/main/java/org/hedgecode/chess/img/board/SquarePair.java
index 836d273..5fcdd66 100644 (file)
--- a/chesshog-graphics/src/main/java/org/hedgecode/chess/img/board/SquarePair.java
+++ b/chesshog-graphics/src/main/java/org/hedgecode/chess/img/board/SquarePair.java
@@ -20,7 +20,7 @@ import java.awt.image.BufferedImage;
 import java.util.Objects;
 
 /**
- *
+ * Storage class for set of images of chess board squares.
  *
  * @author Dmitry Samoshin aka gotty
  */
@@ -29,7 +29,7 @@ public class SquarePair<T> {
     private final T dark;
     private final T light;
 
-    SquarePair(T dark, T light) {
+    private SquarePair(T dark, T light) {
         this.dark = dark;
         this.light = light;
     }
@@ -42,6 +42,13 @@ public class SquarePair<T> {
         return light;
     }
 
+    public boolean isFilled() {
+        if (this.dark == null || this.light == null) {
+            return false;
+        }
+        return true;
+    }
+
     @Override
     public boolean equals(Object o) {
         if (!(o instanceof SquarePair)) {