Transpiled version (1651L) is out of date.
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 | // XXX - main reproduce function |
19 | static Reproducer reproducer = |
20 | /*new Layers( |
21 | new RandomSolid()) |
22 | .add(2, RandomBox.class) |
23 | .varyBest;*/ |
24 | new OptimizeIndividual(new RandomBox()); |
25 | |
26 | static abstract class Img { |
27 | RGBImage img; |
28 | |
29 | *(RGBImage *img) {} |
30 | |
31 | int getWidth() { return img.getWidth(); } |
32 | int getHeight() { return img.getHeight(); } |
33 | //abstract void setPixel(int x, int y, int rgb); |
34 | |
35 | abstract void setPixel(int x, int y, RGB rgb);/* { |
36 | setPixel(x, y, rgb.asInt()); |
37 | }*/ |
38 | } |
39 | |
40 | static class Painting extends Img { |
41 | *(RGBImage img) { super(img); } |
42 | |
43 | void setPixel(int x, int y, RGB rgb) { |
44 | img.setPixel(x, y, rgb); |
45 | } |
46 | } |
47 | |
48 | static class Diffing extends Img { |
49 | int pixelsDiffed; |
50 | double totalDiff; |
51 | |
52 | *(RGBImage img) { super(img); } |
53 | |
54 | // assumes each pixel is written only once! |
55 | void setPixel(int x, int y, RGB rgb) { |
56 | totalDiff += pixelDiff(img.getPixel(x, y), rgb); |
57 | pixelsDiffed++; |
58 | } |
59 | |
60 | double getScore() { |
61 | int totalPixels = img.getWidth()*img.getHeight(); |
62 | int emptyPixels = totalPixels-pixelsDiffed; |
63 | double innerQuality = totalDiff/Math.max(pixelsDiffed, 1); |
64 | double outerQuality = 0.8; // makes objects shrink or grow |
65 | double result = mix(innerQuality, outerQuality, emptyPixels/(double) totalPixels); |
66 | System.out.println("inner=" + innerQuality + ", outer=" + outerQuality + ", pixels diffed=" + pixelsDiffed + ", result=" + result); |
67 | return result; |
68 | } |
69 | } |
70 | |
71 | static abstract class Base { |
72 | abstract Base copy(); |
73 | |
74 | abstract void vary(); |
75 | |
76 | Base copyVary() { |
77 | Base copy = copy(); |
78 | copy.vary(); |
79 | return copy; |
80 | } |
81 | } |
82 | |
83 | static abstract class Overlay extends Base { |
84 | abstract Overlay copy(); |
85 | abstract void renderOn(Img image); |
86 | } |
87 | |
88 | // Params must be immutable! |
89 | static abstract class Params extends Base { |
90 | RGBImage originalImage; |
91 | abstract Params copy(); |
92 | abstract RGBImage render(); |
93 | |
94 | void baseClone(Params p) { |
95 | p.originalImage = originalImage; |
96 | } |
97 | |
98 | RGBImage rendered; |
99 | RGBImage getImage() { |
100 | if (rendered == null) |
101 | rendered = render(); |
102 | return rendered; |
103 | } |
104 | |
105 | double score = 2.0; |
106 | double getScore() { |
107 | if (score == 2.0) |
108 | score = calcScore(); |
109 | return score; |
110 | } |
111 | |
112 | double calcScore() { |
113 | return diff(originalImage, getImage()); |
114 | } |
115 | |
116 | boolean isBetterThan(Params p) { |
117 | return getScore() < p.getScore(); |
118 | } |
119 | } |
120 | |
121 | static class Box extends Overlay { |
122 | double cx, cy, w, h; |
123 | RGB color; |
124 | |
125 | Box copy() { |
126 | Box p = new Box(); |
127 | p.cx = cx; |
128 | p.cy = cy; |
129 | p.w = w; |
130 | p.h = h; |
131 | p.color = color; |
132 | return p; |
133 | } |
134 | |
135 | public String toString() { |
136 | return "Box " + cx + " " + cy + " " + w + " " + h + " " + color; |
137 | } |
138 | |
139 | void renderOn(Img image) { |
140 | box(image, this); |
141 | } |
142 | |
143 | void vary() { |
144 | int s = random(5); |
145 | if (s == 0) |
146 | cx = vary01(cx); |
147 | else if (s == 1) |
148 | cy = vary01(cy); |
149 | else if (s == 2) |
150 | w = vary01(w); |
151 | else if (s == 3) |
152 | h = vary01(h); |
153 | else |
154 | color = varyColor(color); |
155 | } |
156 | } |
157 | |
158 | static class Solid extends Overlay { |
159 | RGB col; |
160 | |
161 | *() {} |
162 | *(RGB *col) {} |
163 | |
164 | Solid copy() { |
165 | new Solid p; |
166 | p.col = col; |
167 | return p; |
168 | } |
169 | |
170 | public String toString() { |
171 | return "Solid " + col; |
172 | } |
173 | |
174 | void renderOn(Img image) { |
175 | int w = image.getWidth(), h = image.getHeight(); |
176 | for (int y = 0; y < h; y++) |
177 | for (int x = 0; x < w; x++) |
178 | image.setPixel(x, y, col); |
179 | } |
180 | |
181 | void vary() { |
182 | col = varyColor(col); |
183 | } |
184 | } |
185 | |
186 | interface Reproducer { |
187 | public Params reproduce(RGBImage original); |
188 | } |
189 | |
190 | interface OverlayReproducer { |
191 | public Overlay reproduce(RGBImage original); |
192 | } |
193 | |
194 | static class RandomBox implements OverlayReproducer { |
195 | int n = -1; |
196 | public Overlay reproduce(RGBImage original) { |
197 | ++n; |
198 | new Box p; |
199 | p.cx = random(); |
200 | p.cy = random(); |
201 | p.w = random()*0.1; |
202 | p.h = random()*0.1; |
203 | if (n % 2 == 0) |
204 | p.color = randomColor(); |
205 | else |
206 | p.color = probeRandomPixel(original); |
207 | return p; |
208 | } |
209 | } |
210 | |
211 | static class RandomSolid implements OverlayReproducer { |
212 | int n = -1; |
213 | public Overlay reproduce(RGBImage original) { |
214 | ++n; |
215 | new Solid p; |
216 | if (n % 2 == 0) { |
217 | p.col = randomColor(); |
218 | } else { |
219 | p.col = probeRandomPixel(original); |
220 | } |
221 | return p; |
222 | } |
223 | } |
224 | |
225 | static class WhiteSolid implements OverlayReproducer { |
226 | public Overlay reproduce(RGBImage original) { |
227 | Solid p = new Solid(); |
228 | p.col = new RGB(Color.white); |
229 | return p; |
230 | } |
231 | } |
232 | |
233 | static class VaryBest implements Reproducer { |
234 | Reproducer base; |
235 | Params best; |
236 | |
237 | VaryBest(Reproducer base) { |
238 | this.base = base; |
239 | } |
240 | |
241 | public Params reproduce(RGBImage original) { |
242 | Params p = base.reproduce(original); |
243 | if (best == null || p.isBetterThan(best)) |
244 | best = p; |
245 | Params variation = (Params) best.copyVary(); |
246 | //System.out.println("Best: " + best.getScore() + ", variation: " + variation.getScore()); |
247 | if (variation.isBetterThan(best)) { |
248 | //System.out.println("Using variation, diff=" + (best.getScore()-variation.getScore())); |
249 | best = variation; |
250 | } |
251 | return best; |
252 | } |
253 | |
254 | void reset() { |
255 | best = null; |
256 | } |
257 | } |
258 | |
259 | static class Layered extends Params { |
260 | Layers myMaker; |
261 | Overlay[] list; |
262 | |
263 | Layered(Layers myMaker, Overlay... list) { |
264 | this.myMaker = myMaker; |
265 | this.list = list; |
266 | } |
267 | |
268 | Layered copy() { |
269 | Layered p = new Layered(myMaker, new Overlay[list.length]); |
270 | baseClone(p); |
271 | for (int i = 0; i < list.length; i++) |
272 | p.list[i] = (Overlay) list[i].copy(); |
273 | return p; |
274 | } |
275 | |
276 | public String toString() { |
277 | StringBuilder buf = new StringBuilder("layered{"); |
278 | for (int i = 0; i < list.length; i++) { |
279 | if (i != 0) |
280 | buf.append(", "); |
281 | buf.append(list[i]); |
282 | } |
283 | return buf + "}"; |
284 | } |
285 | |
286 | RGBImage render() { |
287 | RGBImage image = new RGBImage(originalImage.getWidth(), originalImage.getHeight(), Color.white); |
288 | Painting img = new Painting(image); |
289 | for (int i = 0; i < list.length; i++) |
290 | list[i].renderOn(img); |
291 | return image; |
292 | } |
293 | |
294 | void vary() { |
295 | int i = random(list.length); |
296 | if (random(2) == 0 || myMaker == null) { |
297 | //System.out.println("Varying layer " + i); |
298 | list[i] = (Overlay) list[i].copyVary(); |
299 | } else { |
300 | //double score = getScore(); |
301 | OverlayReproducer maker = myMaker.list[i]; |
302 | list[i] = maker.reproduce(originalImage); |
303 | //System.out.println("Exchanging layer " + i + " from " + maker + ", improvement: " + (score-getFreshScore())); |
304 | } |
305 | } |
306 | } |
307 | |
308 | static class Layers implements Reproducer { |
309 | OverlayReproducer[] list; |
310 | long ntry = -1; |
311 | int stepTime = 0/*500*/; |
312 | VaryBest varyBest = new VaryBest(this); |
313 | |
314 | Layers(OverlayReproducer... list) { |
315 | this.list = list; |
316 | } |
317 | |
318 | Layers add(int n, Class<? extends OverlayReproducer> xClass) ctex { |
319 | OverlayReproducer l[] = new OverlayReproducer[list.length+n]; |
320 | System.arraycopy(list, 0, l, 0, list.length); |
321 | for (int i = 0; i < n; i++) |
322 | l[list.length+i] = xClass.newInstance(); |
323 | list = l; |
324 | return this; |
325 | } |
326 | |
327 | public Params reproduce(RGBImage original) { |
328 | ++ntry; |
329 | int n = this.list.length; |
330 | if (stepTime != 0) { |
331 | // build up image gradually to optimize lower layers first |
332 | n = (int) Math.min(n, ntry/stepTime+1); |
333 | varyBest.reset(); |
334 | } |
335 | Overlay[] list = new Overlay[n]; |
336 | for (int i = 0; i < n; i++) |
337 | list[i] = this.list[i].reproduce(original); |
338 | Layered result = new Layered(this, list); |
339 | result.originalImage = original; |
340 | return result; |
341 | } |
342 | } |
343 | |
344 | static Params reproduce(RGBImage original) { |
345 | int w = original.getWidth(), h = original.getHeight(); |
346 | return reproducer.reproduce(original); |
347 | } |
348 | |
349 | static class OptimizeIndividual implements Reproducer { |
350 | OverlayReproducer producer; |
351 | double bestScore; |
352 | Overlay best; |
353 | |
354 | *(OverlayReproducer *producer) {} |
355 | |
356 | public Params reproduce(RGBImage original) { |
357 | Overlay overlay = producer.reproduce(original); |
358 | double score = scoreOverlay(overlay, original); |
359 | if (best == null || score <= bestScore) { |
360 | best = overlay; |
361 | bestScore = score; |
362 | } |
363 | Layered result = new Layered(null, new Solid(new RGB(Color.white)), best); |
364 | result.originalImage = original; |
365 | return result; |
366 | } |
367 | } |
368 | |
369 | static double scoreOverlay(Overlay overlay, RGBImage original) { |
370 | Diffing d = new Diffing(original); |
371 | overlay.renderOn(d); |
372 | return d.getScore(); |
373 | } |
374 | |
375 | psvm { |
376 | String imageID = "#1000332"; // Picture of two coins |
377 | |
378 | for (int i = 0; i < args.length; i++) { |
379 | String arg = args[i]; |
380 | if (arg.equals("width")) |
381 | imageWidth = Integer.parseInt(args[++i]); |
382 | else if (isSnippetID(arg)) |
383 | imageID = arg; |
384 | } |
385 | |
386 | final String _imageID = imageID; |
387 | |
388 | JFrame frame = new JFrame("A JavaX Frame"); |
389 | |
390 | JPanel grid = new JPanel(new GridLayout(2, 1)); |
391 | |
392 | final ImageSurface imageSurface = new ImageSurface(); |
393 | final ImageSurface original = new ImageSurface(); |
394 | grid.add(imageSurface); |
395 | grid.add(original); |
396 | |
397 | frame.add(grid); |
398 | frame.setBounds(100, 100, 100+imageWidth+20, 300); |
399 | frame.setVisible(true); |
400 | exitOnFrameClose(frame); |
401 | |
402 | new Thread() { |
403 | public void run() { |
404 | originalImage = loadImage(_imageID); |
405 | originalImage = resizeToWidth(originalImage, imageWidth); |
406 | original.setImage(originalImage); |
407 | |
408 | reproduceOpenEnd(originalImage, imageSurface); |
409 | } |
410 | }.start(); |
411 | } |
412 | |
413 | static void reproduceOpenEnd(RGBImage original, ImageSurface imageSurface) { |
414 | Params best = null; |
415 | long lastPrint = 0, lastN = 0; |
416 | for (long ntry = 1; ; ntry++) { |
417 | long now = System.currentTimeMillis(); |
418 | if (now >= lastPrint+1000) { |
419 | long tps = (ntry-lastN)*1000/(now-lastPrint); |
420 | lastPrint = now; |
421 | lastN = ntry; |
422 | String s = "Try " + ntry + " (" + tps + "/s)"; |
423 | if (best == null) |
424 | System.out.println(s); |
425 | else { |
426 | System.out.println("Best: " + best); |
427 | System.out.println(s + ", score: " + formatDouble(best.getScore()*100, 2) + "%, structure size: " + structureSize(best, Params.class)); |
428 | } |
429 | } |
430 | Params p = reproduce(original); |
431 | if (best == null || p != null && p.getScore() < best.getScore()) { |
432 | //System.out.println("New best! " + p.getScore()); |
433 | best = p; |
434 | imageSurface.setImage(p.getImage()); |
435 | } |
436 | |
437 | if (p != null && p.getScore() == 0.0) |
438 | break; |
439 | } |
440 | } |
441 | |
442 | static void box(Img img, Box p) { |
443 | int w = img.getWidth(), h = img.getHeight(); |
444 | double x1 = normalize(p.cx-p.w), x2 = normalize(p.cx+p.w); |
445 | double y1 = normalize(p.cy-p.h), y2 = normalize(p.cy+p.h); |
446 | int xx1 = round(x1*(w-1)), xx2 = round(x2*(w-1)); |
447 | int yy1 = round(y1*(h-1)), yy2 = round(y2*(h-1)); |
448 | |
449 | for (int yy = yy1; yy <= yy2; yy++) |
450 | for (int xx = xx1; xx <= xx2; xx++) |
451 | img.setPixel(xx, yy, p.color); |
452 | } |
453 | |
454 | !include #1000522 |
455 | } |
Began life as a copy of #724
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Snippet ID: | #725 |
Snippet name: | Reproducing with boxes v2 (with individual diffs, developing) |
Eternal ID of this version: | #725/1 |
Text MD5: | 27793811e786eb0b192ee9eb12accb29 |
Author: | stefan |
Category: | |
Type: | JavaX source code |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2015-08-10 18:06:04 |
Source code size: | 12214 bytes / 455 lines |
Pitched / IR pitched: | No / Yes |
Views / Downloads: | 681 / 721 |
Referenced in: | [show references] |