[Pixelle-commit] SF.net SVN: pixelle: [126] trunk/pixelle/src/com/mebigfatguy/pixelle/ PixelleEval.java

[<dbr...@us...>]

Revision: 126
          http://pixelle.svn.sourceforge.net/pixelle/?rev=126&view=rev
Author:   dbrosius
Date:     2008-06-29 15:22:36 -0700 (Sun, 29 Jun 2008)

Log Message:
-----------
fix selection calc (bit positions)

Modified Paths:
--------------
    trunk/pixelle/src/com/mebigfatguy/pixelle/PixelleEval.java

Modified: trunk/pixelle/src/com/mebigfatguy/pixelle/PixelleEval.java
===================================================================
--- trunk/pixelle/src/com/mebigfatguy/pixelle/PixelleEval.java	2008-06-29 18:41:19 UTC (rev 125)
+++ trunk/pixelle/src/com/mebigfatguy/pixelle/PixelleEval.java	2008-06-29 22:22:36 UTC (rev 126)
@@ -195,18 +195,15 @@
 	 * @param value the selection value to use where 0 is off
 	 */
 	protected void setSelectionValue(int x, int y, double value) {
-		if ((x & 0x07) == 0) {
+		int bit = x & 0x07;
+		if (bit == 0)
 			selectionByte = 0;
-		}
 		
-		int imageWidth = srcImage.getWidth();
-		int bitOffset = 1 << (x & 0x07);
-		if (value == 0.0)
-			selectionByte &= ~bitOffset;
-		else
+		int bitOffset = 1 << (7 - bit);
+		if (value != 0.0)
 			selectionByte |= bitOffset;
 
-		if (((x & 0x07) == 7) || (x == imageWidth))
+		if ((bit == 7) || (x == width))
 			srcImage.setSelectionByte(x >> 3, y, selectionByte);
 	}
 	


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