[Polycasso-commit] SF.net SVN: polycasso:[79] trunk/polycasso/src/com/mebigfatguy/polycasso/ ImageCompleter.java

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

Revision: 79
          http://polycasso.svn.sourceforge.net/polycasso/?rev=79&view=rev
Author:   dbrosius
Date:     2009-11-28 01:54:03 +0000 (Sat, 28 Nov 2009)

Log Message:
-----------
a class that will complete the image, so that you can see what the target was

Added Paths:
-----------
    trunk/polycasso/src/com/mebigfatguy/polycasso/ImageCompleter.java

Added: trunk/polycasso/src/com/mebigfatguy/polycasso/ImageCompleter.java
===================================================================
--- trunk/polycasso/src/com/mebigfatguy/polycasso/ImageCompleter.java	                        (rev 0)
+++ trunk/polycasso/src/com/mebigfatguy/polycasso/ImageCompleter.java	2009-11-28 01:54:03 UTC (rev 79)
@@ -0,0 +1,105 @@
+/*
+ * polycasso - Cubism Artwork generator
+ * Copyright 2009 MeBigFatGuy.com
+ * Copyright 2009 Dave Brosius
+ * Inspired by work by Roger Alsing
+ *  
+ * Licensed under the Apache License, Version 2.0 (the "License"); 
+ * you may not use this file except in compliance with the License. 
+ * You may obtain a copy of the License at 
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0 
+ *    
+ * Unless required by applicable law or agreed to in writing, 
+ * software distributed under the License is distributed on an "AS IS" BASIS, 
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+ * See the License for the specific language governing permissions and limitations 
+ * under the License. 
+ */
+package com.mebigfatguy.polycasso;
+
+import java.awt.AlphaComposite;
+import java.awt.Color;
+import java.awt.Composite;
+import java.awt.Dimension;
+import java.awt.Graphics2D;
+import java.awt.image.BufferedImage;
+import java.awt.image.DataBufferByte;
+import java.awt.image.WritableRaster;
+
+/**
+ * a class that transforms the current best polygon representation to the real image thru
+ * a time lapse blend transformation of the images
+ */
+public class ImageCompleter implements Runnable {
+	private static final int NUMTRANSITIONS = 30;
+	private static final int TRANSITION_DELAY = 1000;
+	
+	private ImageGenerator imageGenerator;
+	private BufferedImage targetImage;
+	private BufferedImage srcImage;
+	private Dimension imageSize;
+	
+	/**
+	 * create a completer to move the image from polygon form to real form
+	 * 
+	 * @param image the target image that will eventually be drawn
+	 * @param bestData the best proximation the program reached
+	 * @param imageSize the image size
+	 */
+	
+	public ImageCompleter(ImageGenerator generator, BufferedImage image, PolygonData[] bestData, Dimension size) {
+		imageGenerator = generator;
+		targetImage = image;
+		imageSize = size;
+		
+		srcImage = new BufferedImage(imageSize.width, imageSize.height, BufferedImage.TYPE_4BYTE_ABGR);
+		Graphics2D g2d = (Graphics2D)srcImage.getGraphics();
+		Composite srcOpaque = AlphaComposite.getInstance(AlphaComposite.SRC, 1.0f);
+		g2d.setColor(Color.BLACK);
+		g2d.setComposite(srcOpaque);
+		g2d.fillRect(0, 0, imageSize.width, imageSize.height);
+		
+		for (PolygonData pd : bestData) {
+			pd.draw(g2d);
+		}
+	}
+	
+	@Override
+	public void run() {
+		try {
+			WritableRaster sRaster = srcImage.getRaster();
+			DataBufferByte sDBB = (DataBufferByte)sRaster.getDataBuffer();
+			byte[] sData = sDBB.getData();
+			
+			WritableRaster tRaster = targetImage.getRaster();
+			DataBufferByte tDBB = (DataBufferByte)tRaster.getDataBuffer();
+			byte[] tData = tDBB.getData();
+			
+			int transition = 0;
+			do {
+				Thread.sleep(TRANSITION_DELAY);
+				transition++;
+				
+				BufferedImage intermediateImage = new BufferedImage(imageSize.width, imageSize.height, BufferedImage.TYPE_4BYTE_ABGR);
+				WritableRaster iRaster=  intermediateImage.getRaster();
+				DataBufferByte iDBB = (DataBufferByte)iRaster.getDataBuffer();
+				byte[] iData = iDBB.getData();
+				
+				for (int i = 0; i < sData.length; ) {
+					iData[i++] = (byte)0xFF;
+					for (int c = 0; c < 3; c++) {
+						int sC = sData[i] & 0x00FF;
+						int tC = tData[i] & 0x00FF;
+						int iC = sC + (((tC - sC) * transition) / NUMTRANSITIONS);
+						iData[i] = (byte)iC;
+						++i;
+					}
+				}
+				imageGenerator.fireImageGenerated(intermediateImage);
+
+			} while ((transition < NUMTRANSITIONS) && !Thread.interrupted());
+		} catch (InterruptedException ie) {
+		}
+	}
+}


Property changes on: trunk/polycasso/src/com/mebigfatguy/polycasso/ImageCompleter.java
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Added: svn:mime-type
   + text/plain
Added: svn:eol-style
   + native


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