[Pixelle-commit] SF.net SVN: pixelle:[294] trunk/pixelle/src/com/mebigfatguy/pixelle

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

Revision: 294
          http://pixelle.svn.sourceforge.net/pixelle/?rev=294&view=rev
Author:   dbrosius
Date:     2009-07-22 05:43:15 +0000 (Wed, 22 Jul 2009)

Log Message:
-----------
start building selection outline

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

Modified: trunk/pixelle/src/com/mebigfatguy/pixelle/PixelleImage.java
===================================================================
--- trunk/pixelle/src/com/mebigfatguy/pixelle/PixelleImage.java	2009-07-22 03:49:52 UTC (rev 293)
+++ trunk/pixelle/src/com/mebigfatguy/pixelle/PixelleImage.java	2009-07-22 05:43:15 UTC (rev 294)
@@ -48,7 +48,7 @@
 		byte[] alpha = new byte[] {0, -1};
 		IndexColorModel model = new IndexColorModel(1, 2, wb, wb, wb, alpha);
 		selection = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_BYTE_BINARY, model);
-		composite = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.1f);
+		composite = AlphaComposite.getInstance(AlphaComposite.XOR, 0.5f);
 		Graphics g = selection.getGraphics();
 		g.setColor(Color.WHITE);
 		g.fillRect(0, 0, getWidth(), getHeight());

Modified: trunk/pixelle/src/com/mebigfatguy/pixelle/SelectionOutliner.java
===================================================================
--- trunk/pixelle/src/com/mebigfatguy/pixelle/SelectionOutliner.java	2009-07-22 03:49:52 UTC (rev 293)
+++ trunk/pixelle/src/com/mebigfatguy/pixelle/SelectionOutliner.java	2009-07-22 05:43:15 UTC (rev 294)
@@ -18,20 +18,49 @@
  */
 package com.mebigfatguy.pixelle;
 
-import java.awt.Color;
-import java.awt.Graphics;
 import java.awt.image.BufferedImage;
 import java.awt.image.IndexColorModel;
+import java.awt.image.WritableRaster;
 
 public class SelectionOutliner {
 
 	public BufferedImage createOutline(BufferedImage selectionImage) {
 		BufferedImage outlineSelection = new BufferedImage(selectionImage.getWidth(), selectionImage.getHeight(), BufferedImage.TYPE_BYTE_BINARY, (IndexColorModel)selectionImage.getColorModel());
-		Graphics g = selectionImage.getGraphics();
-		g.setColor(Color.WHITE);
-		g.fillRect(0, 0, selectionImage.getWidth(), selectionImage.getHeight());
 
+		int width = selectionImage.getWidth();
+		int height = selectionImage.getHeight();
 
+		WritableRaster outRaster = outlineSelection.getRaster();
+		WritableRaster inRaster = selectionImage.getRaster();
+
+		double[] pixel = new double[9];
+
+		for (int row = 0; row < height; row++) {
+			boolean yedge = (row == 0) || (row == (height - 1));
+
+			for (int col = 0; col < width; col++) {
+				pixel = inRaster.getPixel(col, row, pixel);
+
+				// If the current pixel is selected, look to see if it's got a non selected pixel next to it
+				if (pixel[0] != 0) {
+					boolean xedge = false;
+					if (!yedge) {
+						xedge = (col == 0) || (col == (width - 1));
+					}
+
+					if (!xedge && !yedge) {
+						pixel = inRaster.getPixels(col - 1, row - 1, 3, 3, pixel);
+						for (int p = 0; p < 9; p++) {
+							if (pixel[p] == 0) {
+								break;
+							}
+						}
+						pixel[0] = 0.0;
+					}
+					outRaster.setPixel(col, row, pixel);
+				}
+			}
+		}
 		return outlineSelection;
 	}
 }


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