src/share/classes/java/awt/image/IndexColorModel.java

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@@ -906,11 +906,11 @@
             // to one of the color components for a match
             // using a simple linear distance formula.
 
             int minDist = 256;
             int d;
-            int gray = (int) (red*77 + green*150 + blue*29 + 128)/256;
+            int gray = (red*77 + green*150 + blue*29 + 128)/256;
 
             for (int i = 0; i < map_size; i++) {
                 if (this.rgb[i] == 0x0) {
                     // For allgrayopaque colormaps, entries are 0
                     // iff they are an invalid color and should be