vsplit v6 (with structure size) [666]

!636
!629 // standard functions
!658 // image classes

import java.awt.*;
import java.awt.image.*;
import java.util.List;
import javax.imageio.*;
import java.lang.reflect.*;

public class main {
  static RGBImage originalImage;
  
  static abstract class Params {
    RGBImage originalImage;
    abstract RGBImage render();
    abstract Params copy();
    
    void baseClone(Params p) {
      p.originalImage = originalImage;
    }
    
    RGBImage rendered;
    RGBImage getImage() {
      if (rendered == null)
        rendered = render();
      return rendered;
    }
    
    double score = 2.0;
    double getScore() {
      if (score == 2.0)
        score = calcScore();
      return score;
    }
    
    double calcScore() {
      return diff(originalImage, getImage());
    }
    
    boolean isBetterThan(Params p) {
      return getScore() < p.getScore();
    }
  }
  
  static class VSplit extends Params {
    double splitPoint;
    RGB col1, col2;
    
    VSplit copy() {
      VSplit p = new VSplit();
      baseClone(p);
      p.splitPoint = splitPoint;
      p.col1 = col1;
      p.col2 = col2;
      return p;
    }
    
    public String toString() {
      return "VSplit " + splitPoint + " " + col1 + " " + col2;
    }

    RGBImage render() {
      int w = originalImage.getWidth(), h = originalImage.getHeight();
      RGBImage image = new RGBImage(w, h, Color.white);
      vsplit(image, this);
      return image;
    }
  }
  
  static class Solid extends Params {
    RGB col;
    
    Solid copy() {
      Solid p = new Solid();
      baseClone(p);
      p.col = col;
      return p;
    }
    
    public String toString() {
      return "Solid " + col;
    }

    RGBImage render() {
      int w = originalImage.getWidth(), h = originalImage.getHeight();
      return new RGBImage(w, h, col);
    }
  }
  
  interface Reproducer {
    public Params reproduce(RGBImage original);
  }
  
  static class RandomVSplit implements Reproducer {
    int n = -1;
    public Params reproduce(RGBImage original) {
      ++n;
      VSplit p = new VSplit();
      p.originalImage = original;
      p.splitPoint = random();
      if (n % 2 == 0) {
        p.col1 = randomColor();
        p.col2 = randomColor();
      } else {
        p.col1 = probeRandomPixel(original);
        p.col2 = probeRandomPixel(original);
      }
      return p;
    }
  }
  
  static class RandomSolid implements Reproducer {
    int n = -1;
    public Params reproduce(RGBImage original) {
      ++n;
      Solid p = new Solid();
      p.originalImage = original;
      if (n % 2 == 0) {
        p.col = randomColor();
      } else {
        p.col = probeRandomPixel(original);
      }
      return p;
    }
  }
  
  static class VaryBest implements Reproducer {
    Reproducer base;
    Params best;
    
    VaryBest(Reproducer base) {
      this.base = base;
    }
    
    public Params reproduce(RGBImage original) {
      Params p = base.reproduce(original);
      if (best == null || p.isBetterThan(best))
        best = p;
      Params variation = vary(best);
      //System.out.println("Best: " + best.getScore() + ", variation: " + variation.getScore());
      if (variation.isBetterThan(best)) {
        //System.out.println("Using variation, diff=" + (best.getScore()-variation.getScore()));
        best = variation;
      }
      return best;
    }
    
    Params vary(Params p) {
      if (p instanceof VSplit) {
        VSplit n = ((VSplit) p).copy();
        int s = random(3);
        if (s == 0)
          varySplitPoint(n);
        else if (s == 1)
          n.col1 = varyColor(n.col1);
        else
          n.col2 = varyColor(n.col2);
        return n;
      } else if (p instanceof Solid) {
        Solid n = ((Solid) p).copy();
        n.col = varyColor(n.col);
        return n;
      }
      return null;
    }
    
    void varySplitPoint(VSplit p) {
      p.splitPoint = Math.max(0, Math.min(1, p.splitPoint+random(-0.1, 0.1)));
    }
    
    float varyChannel(float x) {
      return Math.max(0f, Math.min(1f, (float) (x+random(-0.1, 0.1))));
    }
    
    RGB varyColor(RGB rgb) {
      int s = random(3);
      if (s == 0)
        return new RGB(varyChannel(rgb.r), rgb.g, rgb.b);
      else if (s == 1)
        return new RGB(rgb.r, varyChannel(rgb.g), rgb.b);
      else
        return new RGB(rgb.r, rgb.g, varyChannel(rgb.b));
    }
  }

  static class Alternate implements Reproducer {
    int n = -1;
    Reproducer[] list;
    
    Alternate(Reproducer... list) {
      this.list = list;
    }
    
    public Params reproduce(RGBImage original) {
      ++n;
      return list[n % list.length].reproduce(original);
    }
  }
  
  interface ReproducerMaker {
    public Reproducer make();
  }
  
  static class Gridded extends Params {
    int w, h;
    Params[] array;
    
    Gridded(int w, int h) {
      this.w = w;
      this.h = h;
      array = new Params[w*h];
    }
    
    Gridded copy() {
      Gridded p = new Gridded(w, h);
      baseClone(p);
      for (int i = 0; i < w*h; i++)
        p.array[i] = array[i].copy();
      return p;
    }
    
    public String toString() {
      StringBuilder buf = new StringBuilder("grid{");
      for (int i = 0; i < w*h; i++) {
        if (i != 0)
          buf.append(", ");
        buf.append(array[i]);
      }
      return buf + "}";
    }
    
    public RGBImage render() {
      int ow = originalImage.getWidth(), oh = originalImage.getHeight();
      RGBImage img = new RGBImage(ow, oh, Color.white);
      for (int y = 0; y < h; y++)
        for (int x = 0; x < w; x++) {
          int x1 = x*ow/w, y1 = y*oh/h;
          int x2 = (x+1)*ow/w, y2 = (y+1)*oh/h;
          RGBImage part = array[y*w+x].render();
          main.copy(part, 0, 0, img, x1, y1, part.getWidth(), part.getHeight());
        }
      return img;
    }
  }
  
  static class Grid implements Reproducer {
    int w, h;
    Reproducer[] bases;
    
    Grid(ReproducerMaker maker, int w, int h) {
      this.w = w;
      this.h = h;
      bases = new Reproducer[w*h];
      for (int i = 0; i < w*h; i++)
        bases[i] = maker.make();
    }
    
    RGBImage getGridElement(RGBImage originalImage, int i) {
      int ow = originalImage.getWidth(), oh = originalImage.getHeight();
      int y = i / w;
      int x = i % w;
      int x1 = x*ow/w, y1 = y*oh/h;
      int x2 = (x+1)*ow/w, y2 = (y+1)*oh/h;
      return originalImage.clip(x1, y1, x2-x1, y2-y1);
    }
      
    public Params reproduce(RGBImage original) {
      Gridded gridded = new Gridded(w, h);
      gridded.originalImage = original;
      for (int i = 0; i < w*h; i++) {
        RGBImage img = getGridElement(original, i);
        Params p = bases[i].reproduce(img);
        if (p == null)
          return null;
        gridded.array[i] = p;
      }
      return gridded;
    }
  }
  
  static ReproducerMaker baseMaker = new ReproducerMaker() {
    public Reproducer make() {
      return new VaryBest(
        new Alternate(
          new RandomSolid(), new RandomVSplit()
        ));
    }
  };
    
  // main reproduce function
  static Reproducer reproducer =
    new Alternate(
      baseMaker.make(),
      new Grid(baseMaker, 4, 4),
      new Grid(baseMaker, 16, 8)
    );
  
  static Params reproduce(RGBImage original, int ntry) {
    int w = original.getWidth(), h = original.getHeight();
    return reproducer.reproduce(original);
  }
  
  public static void main(String[] args) {
    String imageID = "#1000326"; // Bryan Cranston!
    if (args.length != 0) imageID = args[0];
    final String _imageID = imageID;
    
    JFrame frame = new JFrame("A JavaX Frame");
    
    final ImageSurface imageSurface = new ImageSurface();
    Component panel = imageSurface;
    
    frame.add(panel);
    frame.setBounds(100, 100, 300, 200);
    frame.setVisible(true);
    exitOnFrameClose(frame);
    
    new Thread() {
      public void run() {
        originalImage = loadImage(_imageID);
        originalImage = resizeToWidth(originalImage, 100);
        
        reproduceOpenEnd(originalImage, imageSurface);
      }
    }.start();
  }
  
  static void reproduceOpenEnd(RGBImage original, ImageSurface imageSurface) {
    Params best = null;
    long lastPrint = 0;
    for (int ntry = 1; ; ntry++) {
      if (System.currentTimeMillis() >= lastPrint+1000) {
        lastPrint = System.currentTimeMillis();
        if (best == null)
          System.out.println("Try " + ntry);
        else {
          System.out.println("Best: " + best);
          System.out.println("Try " + ntry + ", score: " + formatDouble(best.getScore()*100, 2) + "%, structure size: " + structureSize(best, Params.class));
        }
      }
      Params p = reproduce(original, ntry);
      if (best == null || p != null && p.getScore() < best.getScore()) {
        //System.out.println("New best! " + p.getScore());
        best = p;
        imageSurface.setImage(p.getImage());
      }
      
      if (p != null && p.getScore() == 0.0)
        break;
    }
  }
  
  static RGB probeRandomPixel(RGBImage image) {
    int x = (int) (random()*(image.getWidth()-1));
    int y = (int) (random()*(image.getHeight()-1));
    return image.getPixel(x, y);
  }
  
  static RGB randomColor() {
    return new RGB(random(), random(), random());
  }
  
  static RGBImage resizeToWidth(RGBImage image, int w) {
    return resize(image, w, (int) ((image.getHeight()*(double) w)/image.getWidth()));
  }
  
  public static RGBImage resize(RGBImage image, int w, int h) {
    if (w == image.getWidth() && h == image.getHeight()) return image;

    int[] pixels = new int[w*h];
    for (int y = 0; y < h; y++)
      for (int x = 0; x < w; x++)
        pixels[y*w+x] = image.getInt(x*image.getWidth()/w, y*image.getHeight()/h);
    return new RGBImage(w, h, pixels);
  }

  static boolean useImageCache = true;
  static RGBImage loadImage(String snippetID) {
   try {
    File dir = new File(System.getProperty("user.home"), ".tinybrain/image-cache");
    if (useImageCache) {
      dir.mkdirs();
      File file = new File(dir, snippetID + ".png");
      if (file.exists() && file.length() != 0)
        try {
          return new RGBImage(ImageIO.read(file));
        } catch (Throwable e) {
          e.printStackTrace();
          // fall back to loading from sourceforge
        }
    }

    String imageURL = getImageURL(parseSnippetID(snippetID));
    System.err.println("Loading image: " + imageURL);
    BufferedImage image = ImageIO.read(new URL(imageURL));

    if (useImageCache) {
      File tempFile = new File(dir, snippetID + ".tmp." + System.currentTimeMillis());
      ImageIO.write(image, "png", tempFile);
      tempFile.renameTo(new File(dir, snippetID + ".png"));
      //Log.info("Cached image.");
    }

    //Log.info("Loaded image.");
    return new RGBImage(image);
   } catch (IOException e) {
    throw new RuntimeException(e);
   }
  }

  static String getImageURL(long snippetID) throws IOException {
    String url;
    if (snippetID == 1000010 || snippetID == 1000012)
      url = "http://tinybrain.de:8080/tb/show-blobimage.php?id=" + snippetID;
    else
      url = "http://eyeocr.sourceforge.net/filestore/filestore.php?cmd=serve&file=blob_" + snippetID
        + "&contentType=image/png";
    return url;
  }

  public static long parseSnippetID(String snippetID) {
    return Long.parseLong(shortenSnippetID(snippetID));
  }

  private static String shortenSnippetID(String snippetID) {
    if (snippetID.startsWith("#"))
      snippetID = snippetID.substring(1);
    String httpBlaBla = "http://tinybrain.de/";
    if (snippetID.startsWith(httpBlaBla))
      snippetID = snippetID.substring(httpBlaBla.length());
    return snippetID;
  }
  
  static Random _random = new Random();
  static double random() {
    return _random.nextInt(100001)/100000.0;
  }
  
  static int random(int max) {
    return _random.nextInt(max);
  }
  
  static double random(double min, double max) {
    return min+random()*(max-min);
  }
  
  static void vsplit(RGBImage img, VSplit p) {
    int w = img.getWidth(), h = img.getHeight();
    for (int yy = 0; yy < h; yy++)
      for (int xx = 0; xx < w; xx++) {
        //double x = ((double) xx)/(w-1);
        double y = ((double) yy)/(h-1);
        RGB col = y <= p.splitPoint ? p.col1 : p.col2;
        img.setPixel(xx, yy, col);
      }
  }
  
  public static double pixelDiff(RGB a, RGB b) {
    return (Math.abs(a.r-b.r) + Math.abs(a.g-b.g) + Math.abs(a.b-b.b))/3;
  }

  public static double diff(RGBImage image, RGBImage image2) {
    int w = image.getWidth(), h = image.getHeight();
    double sum = 0;
    for (int y = 0; y < h; y++)
      for (int x = 0; x < w; x++)
        sum += pixelDiff(image.getRGB(x, y), image2.getRGB(x, y));
    return sum/(w*h);
  }
  
  public static void copy(RGBImage src, int srcX, int srcY, RGBImage dst, int dstX, int dstY, int w, int h) {
    for (int y = 0; y < h; y++)
      for (int x = 0; x < w; x++)
        dst.setPixel(dstX+x, dstY+y, src.getPixel(srcX+x, srcY+y));
  }
  
  public static int structureSize(Object o, Class baseClass) {
    if (o == null) return 0;
    int size = 1;
    Class c = o.getClass();
    if (c.isArray()) {
      int n = Array.getLength(o);
      for (int i = 0; i < n; i++)
        size += structureSize(Array.get(o, i), baseClass);
    } else
      while (c != Object.class && c != baseClass) {
        Field[] fields = c.getDeclaredFields();
        for (Field field : fields) {
          if ((field.getModifiers() & Modifier.STATIC) != 0)
            continue;
          if (field.getType().isPrimitive())
            ++size;
          else {
            Object value = null;
            try {
              value = field.get(o);
            } catch (IllegalAccessException e) {
              throw new RuntimeException(e);
            }
            size += structureSize(value, baseClass);
          }
        }
        c = c.getSuperclass();
      }
    return size;
  }
  
  public static String formatDouble(double d, int digits) {
    String format = "0.";
    for (int i = 0; i < digits; i++) format += "#";
    return new java.text.DecimalFormat(format, new java.text.DecimalFormatSymbols(Locale.ENGLISH)).format(d);
  }

}

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Snippet ID:	#666
Snippet name:	vsplit v6 (with structure size)
Eternal ID of this version:	#666/1
Text MD5:	1fc478187326fbb6b5e5052a5b1d6c6e
Author:	stefan
Category:
Type:	JavaX source code
Public (visible to everyone):	Yes
Archived (hidden from active list):	No
Created/modified:	2015-07-13 08:17:54
Source code size:	14715 bytes / 515 lines
Pitched / IR pitched:	No / Yes
Views / Downloads:	887 / 778
Referenced in:	[show references]

< > BotCompany Repo | #666 // vsplit v6 (with structure size)

JavaX source code - run with: x30.jar

Author comment

1	!636
2	!629 // standard functions
3	!658 // image classes
4
5	import java.awt.*;
6	import java.awt.image.*;
7	import java.util.List;
8	import javax.imageio.*;
9	import java.lang.reflect.*;
10
11	public class main {
12	static RGBImage originalImage;
13
14	static abstract class Params {
15	RGBImage originalImage;
16	abstract RGBImage render();
17	abstract Params copy();
18
19	void baseClone(Params p) {
20	p.originalImage = originalImage;
21	}
22
23	RGBImage rendered;
24	RGBImage getImage() {
25	if (rendered == null)
26	rendered = render();
27	return rendered;
28	}
29
30	double score = 2.0;
31	double getScore() {
32	if (score == 2.0)
33	score = calcScore();
34	return score;
35	}
36
37	double calcScore() {
38	return diff(originalImage, getImage());
39	}
40
41	boolean isBetterThan(Params p) {
42	return getScore() < p.getScore();
43	}
44	}
45
46	static class VSplit extends Params {
47	double splitPoint;
48	RGB col1, col2;
49
50	VSplit copy() {
51	VSplit p = new VSplit();
52	baseClone(p);
53	p.splitPoint = splitPoint;
54	p.col1 = col1;
55	p.col2 = col2;
56	return p;
57	}
58
59	public String toString() {
60	return "VSplit " + splitPoint + " " + col1 + " " + col2;
61	}
62
63	RGBImage render() {
64	int w = originalImage.getWidth(), h = originalImage.getHeight();
65	RGBImage image = new RGBImage(w, h, Color.white);
66	vsplit(image, this);
67	return image;
68	}
69	}
70
71	static class Solid extends Params {
72	RGB col;
73
74	Solid copy() {
75	Solid p = new Solid();
76	baseClone(p);
77	p.col = col;
78	return p;
79	}
80
81	public String toString() {
82	return "Solid " + col;
83	}
84
85	RGBImage render() {
86	int w = originalImage.getWidth(), h = originalImage.getHeight();
87	return new RGBImage(w, h, col);
88	}
89	}
90
91	interface Reproducer {
92	public Params reproduce(RGBImage original);
93	}
94
95	static class RandomVSplit implements Reproducer {
96	int n = -1;
97	public Params reproduce(RGBImage original) {
98	++n;
99	VSplit p = new VSplit();
100	p.originalImage = original;
101	p.splitPoint = random();
102	if (n % 2 == 0) {
103	p.col1 = randomColor();
104	p.col2 = randomColor();
105	} else {
106	p.col1 = probeRandomPixel(original);
107	p.col2 = probeRandomPixel(original);
108	}
109	return p;
110	}
111	}
112
113	static class RandomSolid implements Reproducer {
114	int n = -1;
115	public Params reproduce(RGBImage original) {
116	++n;
117	Solid p = new Solid();
118	p.originalImage = original;
119	if (n % 2 == 0) {
120	p.col = randomColor();
121	} else {
122	p.col = probeRandomPixel(original);
123	}
124	return p;
125	}
126	}
127
128	static class VaryBest implements Reproducer {
129	Reproducer base;
130	Params best;
131
132	VaryBest(Reproducer base) {
133	this.base = base;
134	}
135
136	public Params reproduce(RGBImage original) {
137	Params p = base.reproduce(original);
138	if (best == null \|\| p.isBetterThan(best))
139	best = p;
140	Params variation = vary(best);
141	//System.out.println("Best: " + best.getScore() + ", variation: " + variation.getScore());
142	if (variation.isBetterThan(best)) {
143	//System.out.println("Using variation, diff=" + (best.getScore()-variation.getScore()));
144	best = variation;
145	}
146	return best;
147	}
148
149	Params vary(Params p) {
150	if (p instanceof VSplit) {
151	VSplit n = ((VSplit) p).copy();
152	int s = random(3);
153	if (s == 0)
154	varySplitPoint(n);
155	else if (s == 1)
156	n.col1 = varyColor(n.col1);
157	else
158	n.col2 = varyColor(n.col2);
159	return n;
160	} else if (p instanceof Solid) {
161	Solid n = ((Solid) p).copy();
162	n.col = varyColor(n.col);
163	return n;
164	}
165	return null;
166	}
167
168	void varySplitPoint(VSplit p) {
169	p.splitPoint = Math.max(0, Math.min(1, p.splitPoint+random(-0.1, 0.1)));
170	}
171
172	float varyChannel(float x) {
173	return Math.max(0f, Math.min(1f, (float) (x+random(-0.1, 0.1))));
174	}
175
176	RGB varyColor(RGB rgb) {
177	int s = random(3);
178	if (s == 0)
179	return new RGB(varyChannel(rgb.r), rgb.g, rgb.b);
180	else if (s == 1)
181	return new RGB(rgb.r, varyChannel(rgb.g), rgb.b);
182	else
183	return new RGB(rgb.r, rgb.g, varyChannel(rgb.b));
184	}
185	}
186
187	static class Alternate implements Reproducer {
188	int n = -1;
189	Reproducer[] list;
190
191	Alternate(Reproducer... list) {
192	this.list = list;
193	}
194
195	public Params reproduce(RGBImage original) {
196	++n;
197	return list[n % list.length].reproduce(original);
198	}
199	}
200
201	interface ReproducerMaker {
202	public Reproducer make();
203	}
204
205	static class Gridded extends Params {
206	int w, h;
207	Params[] array;
208
209	Gridded(int w, int h) {
210	this.w = w;
211	this.h = h;
212	array = new Params[w*h];
213	}
214
215	Gridded copy() {
216	Gridded p = new Gridded(w, h);
217	baseClone(p);
218	for (int i = 0; i < w*h; i++)
219	p.array[i] = array[i].copy();
220	return p;
221	}
222
223	public String toString() {
224	StringBuilder buf = new StringBuilder("grid{");
225	for (int i = 0; i < w*h; i++) {
226	if (i != 0)
227	buf.append(", ");
228	buf.append(array[i]);
229	}
230	return buf + "}";
231	}
232
233	public RGBImage render() {
234	int ow = originalImage.getWidth(), oh = originalImage.getHeight();
235	RGBImage img = new RGBImage(ow, oh, Color.white);
236	for (int y = 0; y < h; y++)
237	for (int x = 0; x < w; x++) {
238	int x1 = xow/w, y1 = yoh/h;
239	int x2 = (x+1)ow/w, y2 = (y+1)oh/h;
240	RGBImage part = array[y*w+x].render();
241	main.copy(part, 0, 0, img, x1, y1, part.getWidth(), part.getHeight());
242	}
243	return img;
244	}
245	}
246
247	static class Grid implements Reproducer {
248	int w, h;
249	Reproducer[] bases;
250
251	Grid(ReproducerMaker maker, int w, int h) {
252	this.w = w;
253	this.h = h;
254	bases = new Reproducer[w*h];
255	for (int i = 0; i < w*h; i++)
256	bases[i] = maker.make();
257	}
258
259	RGBImage getGridElement(RGBImage originalImage, int i) {
260	int ow = originalImage.getWidth(), oh = originalImage.getHeight();
261	int y = i / w;
262	int x = i % w;
263	int x1 = xow/w, y1 = yoh/h;
264	int x2 = (x+1)ow/w, y2 = (y+1)oh/h;
265	return originalImage.clip(x1, y1, x2-x1, y2-y1);
266	}
267
268	public Params reproduce(RGBImage original) {
269	Gridded gridded = new Gridded(w, h);
270	gridded.originalImage = original;
271	for (int i = 0; i < w*h; i++) {
272	RGBImage img = getGridElement(original, i);
273	Params p = bases[i].reproduce(img);
274	if (p == null)
275	return null;
276	gridded.array[i] = p;
277	}
278	return gridded;
279	}
280	}
281
282	static ReproducerMaker baseMaker = new ReproducerMaker() {
283	public Reproducer make() {
284	return new VaryBest(
285	new Alternate(
286	new RandomSolid(), new RandomVSplit()
287	));
288	}
289	};
290
291	// main reproduce function
292	static Reproducer reproducer =
293	new Alternate(
294	baseMaker.make(),
295	new Grid(baseMaker, 4, 4),
296	new Grid(baseMaker, 16, 8)
297	);
298
299	static Params reproduce(RGBImage original, int ntry) {
300	int w = original.getWidth(), h = original.getHeight();
301	return reproducer.reproduce(original);
302	}
303
304	public static void main(String[] args) {
305	String imageID = "#1000326"; // Bryan Cranston!
306	if (args.length != 0) imageID = args[0];
307	final String _imageID = imageID;
308
309	JFrame frame = new JFrame("A JavaX Frame");
310
311	final ImageSurface imageSurface = new ImageSurface();
312	Component panel = imageSurface;
313
314	frame.add(panel);
315	frame.setBounds(100, 100, 300, 200);
316	frame.setVisible(true);
317	exitOnFrameClose(frame);
318
319	new Thread() {
320	public void run() {
321	originalImage = loadImage(_imageID);
322	originalImage = resizeToWidth(originalImage, 100);
323
324	reproduceOpenEnd(originalImage, imageSurface);
325	}
326	}.start();
327	}
328
329	static void reproduceOpenEnd(RGBImage original, ImageSurface imageSurface) {
330	Params best = null;
331	long lastPrint = 0;
332	for (int ntry = 1; ; ntry++) {
333	if (System.currentTimeMillis() >= lastPrint+1000) {
334	lastPrint = System.currentTimeMillis();
335	if (best == null)
336	System.out.println("Try " + ntry);
337	else {
338	System.out.println("Best: " + best);
339	System.out.println("Try " + ntry + ", score: " + formatDouble(best.getScore()*100, 2) + "%, structure size: " + structureSize(best, Params.class));
340	}
341	}
342	Params p = reproduce(original, ntry);
343	if (best == null \|\| p != null && p.getScore() < best.getScore()) {
344	//System.out.println("New best! " + p.getScore());
345	best = p;
346	imageSurface.setImage(p.getImage());
347	}
348
349	if (p != null && p.getScore() == 0.0)
350	break;
351	}
352	}
353
354	static RGB probeRandomPixel(RGBImage image) {
355	int x = (int) (random()*(image.getWidth()-1));
356	int y = (int) (random()*(image.getHeight()-1));
357	return image.getPixel(x, y);
358	}
359
360	static RGB randomColor() {
361	return new RGB(random(), random(), random());
362	}
363
364	static RGBImage resizeToWidth(RGBImage image, int w) {
365	return resize(image, w, (int) ((image.getHeight()*(double) w)/image.getWidth()));
366	}
367
368	public static RGBImage resize(RGBImage image, int w, int h) {
369	if (w == image.getWidth() && h == image.getHeight()) return image;
370
371	int[] pixels = new int[w*h];
372	for (int y = 0; y < h; y++)
373	for (int x = 0; x < w; x++)
374	pixels[yw+x] = image.getInt(ximage.getWidth()/w, y*image.getHeight()/h);
375	return new RGBImage(w, h, pixels);
376	}
377
378	static boolean useImageCache = true;
379	static RGBImage loadImage(String snippetID) {
380	try {
381	File dir = new File(System.getProperty("user.home"), ".tinybrain/image-cache");
382	if (useImageCache) {
383	dir.mkdirs();
384	File file = new File(dir, snippetID + ".png");
385	if (file.exists() && file.length() != 0)
386	try {
387	return new RGBImage(ImageIO.read(file));
388	} catch (Throwable e) {
389	e.printStackTrace();
390	// fall back to loading from sourceforge
391	}
392	}
393
394	String imageURL = getImageURL(parseSnippetID(snippetID));
395	System.err.println("Loading image: " + imageURL);
396	BufferedImage image = ImageIO.read(new URL(imageURL));
397
398	if (useImageCache) {
399	File tempFile = new File(dir, snippetID + ".tmp." + System.currentTimeMillis());
400	ImageIO.write(image, "png", tempFile);
401	tempFile.renameTo(new File(dir, snippetID + ".png"));
402	//Log.info("Cached image.");
403	}
404
405	//Log.info("Loaded image.");
406	return new RGBImage(image);
407	} catch (IOException e) {
408	throw new RuntimeException(e);
409	}
410	}
411
412	static String getImageURL(long snippetID) throws IOException {
413	String url;
414	if (snippetID == 1000010 \|\| snippetID == 1000012)
415	url = "http://tinybrain.de:8080/tb/show-blobimage.php?id=" + snippetID;
416	else
417	url = "http://eyeocr.sourceforge.net/filestore/filestore.php?cmd=serve&file=blob_" + snippetID
418	+ "&contentType=image/png";
419	return url;
420	}
421
422	public static long parseSnippetID(String snippetID) {
423	return Long.parseLong(shortenSnippetID(snippetID));
424	}
425
426	private static String shortenSnippetID(String snippetID) {
427	if (snippetID.startsWith("#"))
428	snippetID = snippetID.substring(1);
429	String httpBlaBla = "http://tinybrain.de/";
430	if (snippetID.startsWith(httpBlaBla))
431	snippetID = snippetID.substring(httpBlaBla.length());
432	return snippetID;
433	}
434
435	static Random _random = new Random();
436	static double random() {
437	return _random.nextInt(100001)/100000.0;
438	}
439
440	static int random(int max) {
441	return _random.nextInt(max);
442	}
443
444	static double random(double min, double max) {
445	return min+random()*(max-min);
446	}
447
448	static void vsplit(RGBImage img, VSplit p) {
449	int w = img.getWidth(), h = img.getHeight();
450	for (int yy = 0; yy < h; yy++)
451	for (int xx = 0; xx < w; xx++) {
452	//double x = ((double) xx)/(w-1);
453	double y = ((double) yy)/(h-1);
454	RGB col = y <= p.splitPoint ? p.col1 : p.col2;
455	img.setPixel(xx, yy, col);
456	}
457	}
458
459	public static double pixelDiff(RGB a, RGB b) {
460	return (Math.abs(a.r-b.r) + Math.abs(a.g-b.g) + Math.abs(a.b-b.b))/3;
461	}
462
463	public static double diff(RGBImage image, RGBImage image2) {
464	int w = image.getWidth(), h = image.getHeight();
465	double sum = 0;
466	for (int y = 0; y < h; y++)
467	for (int x = 0; x < w; x++)
468	sum += pixelDiff(image.getRGB(x, y), image2.getRGB(x, y));
469	return sum/(w*h);
470	}
471
472	public static void copy(RGBImage src, int srcX, int srcY, RGBImage dst, int dstX, int dstY, int w, int h) {
473	for (int y = 0; y < h; y++)
474	for (int x = 0; x < w; x++)
475	dst.setPixel(dstX+x, dstY+y, src.getPixel(srcX+x, srcY+y));
476	}
477
478	public static int structureSize(Object o, Class baseClass) {
479	if (o == null) return 0;
480	int size = 1;
481	Class c = o.getClass();
482	if (c.isArray()) {
483	int n = Array.getLength(o);
484	for (int i = 0; i < n; i++)
485	size += structureSize(Array.get(o, i), baseClass);
486	} else
487	while (c != Object.class && c != baseClass) {
488	Field[] fields = c.getDeclaredFields();
489	for (Field field : fields) {
490	if ((field.getModifiers() & Modifier.STATIC) != 0)
491	continue;
492	if (field.getType().isPrimitive())
493	++size;
494	else {
495	Object value = null;
496	try {
497	value = field.get(o);
498	} catch (IllegalAccessException e) {
499	throw new RuntimeException(e);
500	}
501	size += structureSize(value, baseClass);
502	}
503	}
504	c = c.getSuperclass();
505	}
506	return size;
507	}
508
509	public static String formatDouble(double d, int digits) {
510	String format = "0.";
511	for (int i = 0; i < digits; i++) format += "#";
512	return new java.text.DecimalFormat(format, new java.text.DecimalFormatSymbols(Locale.ENGLISH)).format(d);
513	}
514
515	}