1 | !636 |
2 | !standard functions |
3 | !quicknew |
4 | !ctex |
5 | !* constructor |
6 | |
7 | import java.awt.*; |
8 | import java.awt.image.*; |
9 | import java.util.List; |
10 | import javax.imageio.*; |
11 | |
12 | !include #2000447 // image classes |
13 | |
14 | public class main { |
15 | static RGBImage originalImage; |
16 | static int imageWidth = 200; |
17 | |
18 | static ImageSurface currentSurface, bestSurface; |
19 | |
20 | // XXX - main reproduce function |
21 | static Reproducer reproducer = |
22 | /*new Layers( |
23 | new RandomSolid()) |
24 | .add(2, RandomBox.class) |
25 | .varyBest;*/ |
26 | new OptimizeIndividual(new RandomBox()); |
27 | |
28 | static abstract class Img { |
29 | RGBImage img; |
30 | |
31 | *(RGBImage *img) {} |
32 | |
33 | int getWidth() { return img.getWidth(); } |
34 | int getHeight() { return img.getHeight(); } |
35 | //abstract void setPixel(int x, int y, int rgb); |
36 | |
37 | abstract void setPixel(int x, int y, RGB rgb);/* { |
38 | setPixel(x, y, rgb.asInt()); |
39 | }*/ |
40 | } |
41 | |
42 | static class Painting extends Img { |
43 | *(RGBImage img) { super(img); } |
44 | |
45 | void setPixel(int x, int y, RGB rgb) { |
46 | img.setPixel(x, y, rgb); |
47 | } |
48 | } |
49 | |
50 | static class Diffing extends Img { |
51 | int pixelsDiffed; |
52 | double totalDiff; |
53 | double[] diffed; |
54 | |
55 | *(RGBImage img) { |
56 | super(img); |
57 | diffed = new double[img.getWidth()*img.getHeight()]; |
58 | for (int i = 0; i < diffed.length; i++) diffed[i] = -1; |
59 | } |
60 | |
61 | void setPixel(int x, int y, RGB rgb) { |
62 | int w = img.getWidth(), h = img.getHeight(); |
63 | if (x < 0 || y < 0 || x >= w || y >= h) return; |
64 | double old = diffed[x+y*w]; |
65 | if (old >= 0) |
66 | totalDiff -= old; |
67 | else |
68 | pixelsDiffed++; |
69 | double diff = pixelDiff(img.getPixel(x, y), rgb); |
70 | diffed[x+y*w] = diff; |
71 | totalDiff += diff; |
72 | } |
73 | |
74 | double getScore() { |
75 | int totalPixels = img.getWidth()*img.getHeight(); |
76 | int emptyPixels = totalPixels-pixelsDiffed; |
77 | double innerQuality = totalDiff/Math.max(pixelsDiffed, 1); |
78 | double outerQuality = 0.8; // makes objects shrink or grow |
79 | double result = mix(innerQuality, outerQuality, emptyPixels/(double) totalPixels); |
80 | System.out.println("inner=" + innerQuality + ", outer=" + outerQuality + ", pixels diffed=" + pixelsDiffed + ", result=" + result); |
81 | return result; |
82 | } |
83 | } |
84 | |
85 | static abstract class Base { |
86 | abstract Base copy(); |
87 | |
88 | abstract void vary(); |
89 | |
90 | Base copyVary() { |
91 | Base copy = copy(); |
92 | copy.vary(); |
93 | return copy; |
94 | } |
95 | } |
96 | |
97 | static abstract class Overlay extends Base { |
98 | abstract Overlay copy(); |
99 | abstract void renderOn(Img image); |
100 | } |
101 | |
102 | // Params must be immutable! |
103 | static abstract class Params extends Base { |
104 | RGBImage originalImage; |
105 | abstract Params copy(); |
106 | abstract RGBImage render(); |
107 | |
108 | void baseClone(Params p) { |
109 | p.originalImage = originalImage; |
110 | } |
111 | |
112 | RGBImage rendered; |
113 | RGBImage getImage() { |
114 | if (rendered == null) |
115 | rendered = render(); |
116 | return rendered; |
117 | } |
118 | |
119 | double score = 2.0; |
120 | double getScore() { |
121 | if (score == 2.0) |
122 | score = calcScore(); |
123 | return score; |
124 | } |
125 | |
126 | double calcScore() { |
127 | return diff(originalImage, getImage()); |
128 | } |
129 | |
130 | boolean isBetterThan(Params p) { |
131 | return getScore() < p.getScore(); |
132 | } |
133 | } |
134 | |
135 | static class Box extends Overlay { |
136 | double cx, cy, w, h; |
137 | RGB color; |
138 | |
139 | Box copy() { |
140 | Box p = new Box(); |
141 | p.cx = cx; |
142 | p.cy = cy; |
143 | p.w = w; |
144 | p.h = h; |
145 | p.color = color; |
146 | return p; |
147 | } |
148 | |
149 | public String toString() { |
150 | return "Box " + cx + " " + cy + " " + w + " " + h + " " + color; |
151 | } |
152 | |
153 | void renderOn(Img image) { |
154 | box(image, this); |
155 | } |
156 | |
157 | void vary() { |
158 | int s = random(5); |
159 | if (s == 0) |
160 | cx = vary01(cx); |
161 | else if (s == 1) |
162 | cy = vary01(cy); |
163 | else if (s == 2) |
164 | w = vary01(w); |
165 | else if (s == 3) |
166 | h = vary01(h); |
167 | else |
168 | color = varyColor(color); |
169 | } |
170 | } |
171 | |
172 | static class Solid extends Overlay { |
173 | RGB col; |
174 | |
175 | *() {} |
176 | *(RGB *col) {} |
177 | |
178 | Solid copy() { |
179 | new Solid p; |
180 | p.col = col; |
181 | return p; |
182 | } |
183 | |
184 | public String toString() { |
185 | return "Solid " + col; |
186 | } |
187 | |
188 | void renderOn(Img image) { |
189 | int w = image.getWidth(), h = image.getHeight(); |
190 | for (int y = 0; y < h; y++) |
191 | for (int x = 0; x < w; x++) |
192 | image.setPixel(x, y, col); |
193 | } |
194 | |
195 | void vary() { |
196 | col = varyColor(col); |
197 | } |
198 | } |
199 | |
200 | interface Reproducer { |
201 | public Params reproduce(RGBImage original); |
202 | } |
203 | |
204 | interface OverlayReproducer { |
205 | public Overlay reproduce(RGBImage original); |
206 | } |
207 | |
208 | static class RandomBox implements OverlayReproducer { |
209 | int n = -1; |
210 | public Overlay reproduce(RGBImage original) { |
211 | ++n; |
212 | new Box p; |
213 | p.cx = random(); |
214 | p.cy = random(); |
215 | p.w = random()*0.1; |
216 | p.h = random()*0.1; |
217 | if (n % 2 == 0) |
218 | p.color = randomColor(); |
219 | else |
220 | p.color = probeRandomPixel(original); |
221 | return p; |
222 | } |
223 | } |
224 | |
225 | static class RandomSolid implements OverlayReproducer { |
226 | int n = -1; |
227 | public Overlay reproduce(RGBImage original) { |
228 | ++n; |
229 | new Solid p; |
230 | if (n % 2 == 0) { |
231 | p.col = randomColor(); |
232 | } else { |
233 | p.col = probeRandomPixel(original); |
234 | } |
235 | return p; |
236 | } |
237 | } |
238 | |
239 | static class WhiteSolid implements OverlayReproducer { |
240 | public Overlay reproduce(RGBImage original) { |
241 | Solid p = new Solid(); |
242 | p.col = new RGB(Color.white); |
243 | return p; |
244 | } |
245 | } |
246 | |
247 | static class VaryBest implements Reproducer { |
248 | Reproducer base; |
249 | Params best; |
250 | *(Reproducer *base) {} |
251 | |
252 | public Params reproduce(RGBImage original) { |
253 | Params p = base.reproduce(original); |
254 | if (best == null || p.isBetterThan(best)) |
255 | best = p; |
256 | Params variation = (Params) best.copyVary(); |
257 | //System.out.println("Best: " + best.getScore() + ", variation: " + variation.getScore()); |
258 | if (variation.isBetterThan(best)) { |
259 | //System.out.println("Using variation, diff=" + (best.getScore()-variation.getScore())); |
260 | best = variation; |
261 | } |
262 | return best; |
263 | } |
264 | |
265 | void reset() { |
266 | best = null; |
267 | } |
268 | } |
269 | |
270 | static class Layered extends Params { |
271 | Layers myMaker; |
272 | Overlay[] list; |
273 | |
274 | Layered(Layers myMaker, Overlay... list) { |
275 | this.myMaker = myMaker; |
276 | this.list = list; |
277 | } |
278 | |
279 | Layered copy() { |
280 | Layered p = new Layered(myMaker, new Overlay[list.length]); |
281 | baseClone(p); |
282 | for (int i = 0; i < list.length; i++) |
283 | p.list[i] = (Overlay) list[i].copy(); |
284 | return p; |
285 | } |
286 | |
287 | public String toString() { |
288 | StringBuilder buf = new StringBuilder("layered{"); |
289 | for (int i = 0; i < list.length; i++) { |
290 | if (i != 0) |
291 | buf.append(", "); |
292 | buf.append(list[i]); |
293 | } |
294 | return buf + "}"; |
295 | } |
296 | |
297 | RGBImage render() { |
298 | RGBImage image = new RGBImage(originalImage.getWidth(), originalImage.getHeight(), Color.white); |
299 | Painting img = new Painting(image); |
300 | for (int i = 0; i < list.length; i++) |
301 | list[i].renderOn(img); |
302 | return image; |
303 | } |
304 | |
305 | void vary() { |
306 | int i = random(list.length); |
307 | if (random(2) == 0 || myMaker == null) { |
308 | //System.out.println("Varying layer " + i); |
309 | list[i] = (Overlay) list[i].copyVary(); |
310 | } else { |
311 | //double score = getScore(); |
312 | OverlayReproducer maker = myMaker.list[i]; |
313 | list[i] = maker.reproduce(originalImage); |
314 | //System.out.println("Exchanging layer " + i + " from " + maker + ", improvement: " + (score-getFreshScore())); |
315 | } |
316 | } |
317 | } |
318 | |
319 | static class Layers implements Reproducer { |
320 | OverlayReproducer[] list; |
321 | long ntry = -1; |
322 | int stepTime = 0/*500*/; |
323 | VaryBest varyBest = new VaryBest(this); |
324 | |
325 | Layers(OverlayReproducer... list) { |
326 | this.list = list; |
327 | } |
328 | |
329 | Layers add(int n, Class<? extends OverlayReproducer> xClass) ctex { |
330 | OverlayReproducer l[] = new OverlayReproducer[list.length+n]; |
331 | System.arraycopy(list, 0, l, 0, list.length); |
332 | for (int i = 0; i < n; i++) |
333 | l[list.length+i] = xClass.newInstance(); |
334 | list = l; |
335 | return this; |
336 | } |
337 | |
338 | public Params reproduce(RGBImage original) { |
339 | ++ntry; |
340 | int n = this.list.length; |
341 | if (stepTime != 0) { |
342 | // build up image gradually to optimize lower layers first |
343 | n = (int) Math.min(n, ntry/stepTime+1); |
344 | varyBest.reset(); |
345 | } |
346 | Overlay[] list = new Overlay[n]; |
347 | for (int i = 0; i < n; i++) |
348 | list[i] = this.list[i].reproduce(original); |
349 | Layered result = new Layered(this, list); |
350 | result.originalImage = original; |
351 | return result; |
352 | } |
353 | } |
354 | |
355 | static Params reproduce(RGBImage original) { |
356 | int w = original.getWidth(), h = original.getHeight(); |
357 | return reproducer.reproduce(original); |
358 | } |
359 | |
360 | static class OptimizeIndividual implements Reproducer { |
361 | OverlayReproducer producer; |
362 | double bestScore; |
363 | Overlay best; |
364 | |
365 | *(OverlayReproducer *producer) {} |
366 | |
367 | public Params reproduce(RGBImage original) { |
368 | Overlay overlay = producer.reproduce(original); |
369 | System.out.println("overlay: " + overlay); |
370 | double score = scoreOverlay(overlay, original); |
371 | if (best == null || score <= bestScore) { |
372 | best = overlay; |
373 | bestScore = score; |
374 | } |
375 | Layered result = new Layered(null, new Solid(new RGB(Color.black)), best); |
376 | result.originalImage = original; |
377 | return result; |
378 | } |
379 | } |
380 | |
381 | static double scoreOverlay(Overlay overlay, RGBImage original) { |
382 | Diffing d = new Diffing(original); |
383 | overlay.renderOn(d); |
384 | return d.getScore(); |
385 | } |
386 | |
387 | static class HoldBest implements Reproducer { |
388 | Reproducer base; |
389 | Params best; |
390 | *(Reproducer *base) {} |
391 | |
392 | public Params reproduce(RGBImage original) { |
393 | Params p = base.reproduce(original); |
394 | if (best == null || p.isBetterThan(best)) |
395 | best = p; |
396 | return best; |
397 | } |
398 | } |
399 | |
400 | psvm { |
401 | String imageID = "#1000332"; // Picture of two coins |
402 | |
403 | for (int i = 0; i < args.length; i++) { |
404 | String arg = args[i]; |
405 | if (arg.equals("width")) |
406 | imageWidth = Integer.parseInt(args[++i]); |
407 | else if (isSnippetID(arg)) |
408 | imageID = arg; |
409 | } |
410 | |
411 | final String _imageID = imageID; |
412 | |
413 | JFrame frame = new JFrame("A JavaX Frame"); |
414 | |
415 | JPanel grid = new JPanel(new GridLayout(3, 1)); |
416 | |
417 | currentSurface = new ImageSurface(); |
418 | bestSurface = new ImageSurface(); |
419 | final ImageSurface original = new ImageSurface(); |
420 | grid.add(currentSurface); |
421 | grid.add(bestSurface); |
422 | grid.add(original); |
423 | |
424 | frame.add(grid); |
425 | frame.setBounds(100, 100, 100+imageWidth+20, 100+600); |
426 | frame.setVisible(true); |
427 | exitOnFrameClose(frame); |
428 | |
429 | new Thread() { |
430 | public void run() { |
431 | originalImage = loadImage(_imageID); |
432 | originalImage = resizeToWidth(originalImage, imageWidth); |
433 | original.setImage(originalImage); |
434 | |
435 | reproduceOpenEnd(originalImage); |
436 | } |
437 | }.start(); |
438 | } |
439 | |
440 | static void reproduceOpenEnd(RGBImage original) { |
441 | //Params best = null; |
442 | long lastPrint = 0, lastN = 0; |
443 | for (long ntry = 1; ; ntry++) { |
444 | Params p = reproduce(original); |
445 | currentSurface.setImage(p.getImage()); |
446 | |
447 | long now = System.currentTimeMillis(); |
448 | if (now >= lastPrint+1000) { |
449 | long tps = (ntry-lastN)*1000/(now-lastPrint); |
450 | lastPrint = now; |
451 | lastN = ntry; |
452 | String s = "Try " + ntry + " (" + tps + "/s)"; |
453 | /*if (best == null) |
454 | System.out.println(s); |
455 | else { |
456 | System.out.println("Best: " + best);*/ |
457 | System.out.println(s + ", score: " + formatDouble(p.getScore()*100, 2) + "%, structure size: " + structureSize(p, Params.class)); |
458 | //} |
459 | } |
460 | /*if (best == null || p != null && p.getScore() < best.getScore()) { |
461 | //System.out.println("New best! " + p.getScore()); |
462 | best = p; |
463 | bestSurface.setImage(p.getImage()); |
464 | }*/ |
465 | |
466 | if (p != null && p.getScore() == 0.0) |
467 | break; // perfect result, end |
468 | } |
469 | } |
470 | |
471 | static void box(Img img, Box p) { |
472 | int w = img.getWidth(), h = img.getHeight(); |
473 | double x1 = normalize(p.cx-p.w), x2 = normalize(p.cx+p.w); |
474 | double y1 = normalize(p.cy-p.h), y2 = normalize(p.cy+p.h); |
475 | int xx1 = round(x1*(w-1)), xx2 = round(x2*(w-1)); |
476 | int yy1 = round(y1*(h-1)), yy2 = round(y2*(h-1)); |
477 | |
478 | for (int yy = yy1; yy <= yy2; yy++) |
479 | for (int xx = xx1; xx <= xx2; xx++) |
480 | img.setPixel(xx, yy, p.color); |
481 | } |
482 | |
483 | !include #1000522 |
484 | } |
Began life as a copy of #1000528
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Snippet ID: | #726 |
Snippet name: | Reproducing with boxes v3 (with individual diffs, developing) |
Eternal ID of this version: | #726/1 |
Text MD5: | 6a084a6b5cedeeb023ad88ac7385cc84 |
Author: | stefan |
Category: | |
Type: | JavaX source code |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2015-08-10 17:53:16 |
Source code size: | 13065 bytes / 484 lines |
Pitched / IR pitched: | No / Yes |
Views / Downloads: | 682 / 634 |
Referenced in: | [show references] |