File size: 27,560 Bytes
b5bd1c6
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Sticker Remover Tool</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        .dropzone {
            border: 2px dashed #cbd5e0;
            transition: all 0.3s ease;
        }
        .dropzone.active {
            border-color: #4f46e5;
            background-color: #f0f4ff;
        }
        .image-preview {
            max-height: 400px;
            object-fit: contain;
        }
        .progress-bar {
            transition: width 0.3s ease;
        }
        canvas {
            max-width: 100%;
            height: auto;
        }
    </style>
</head>
<body class="bg-gray-50 min-h-screen">
    <div class="container mx-auto px-4 py-8">
        <header class="text-center mb-10">
            <h1 class="text-4xl font-bold text-indigo-700 mb-2">Sticker Remover</h1>
            <p class="text-gray-600 max-w-2xl mx-auto">Upload your image and mask to seamlessly remove unwanted stickers using advanced inpainting technology</p>
        </header>

        <div class="grid grid-cols-1 lg:grid-cols-2 gap-8">
            <!-- Upload Section -->
            <div class="bg-white rounded-xl shadow-md p-6">
                <h2 class="text-xl font-semibold mb-4 text-gray-800">Upload Files</h2>
                
                <!-- Original Image Upload -->
                <div class="mb-6">
                    <label class="block text-sm font-medium text-gray-700 mb-2">Original Image</label>
                    <div id="original-dropzone" class="dropzone rounded-lg p-8 text-center cursor-pointer">
                        <i class="fas fa-image text-4xl text-indigo-400 mb-3"></i>
                        <p class="text-gray-500 mb-2">Drag & drop your image here or click to browse</p>
                        <p class="text-xs text-gray-400">Supports JPG, PNG (Max 5MB)</p>
                        <input type="file" id="original-input" class="hidden" accept="image/*">
                    </div>
                    <div id="original-preview" class="mt-4 hidden">
                        <p class="text-sm text-gray-600 mb-1">Selected file:</p>
                        <div class="flex items-center justify-between bg-gray-50 rounded px-3 py-2">
                            <span id="original-filename" class="text-sm font-medium"></span>
                            <button id="original-clear" class="text-red-500 hover:text-red-700">
                                <i class="fas fa-times"></i>
                            </button>
                        </div>
                    </div>
                </div>
                
                <!-- Mask Image Upload -->
                <div class="mb-6">
                    <label class="block text-sm font-medium text-gray-700 mb-2">Sticker Mask</label>
                    <div id="mask-dropzone" class="dropzone rounded-lg p-8 text-center cursor-pointer">
                        <i class="fas fa-mask text-4xl text-indigo-400 mb-3"></i>
                        <p class="text-gray-500 mb-2">Drag & drop your mask here or click to browse</p>
                        <p class="text-xs text-gray-400">Black & white image showing sticker area</p>
                        <input type="file" id="mask-input" class="hidden" accept="image/*">
                    </div>
                    <div id="mask-preview" class="mt-4 hidden">
                        <p class="text-sm text-gray-600 mb-1">Selected file:</p>
                        <div class="flex items-center justify-between bg-gray-50 rounded px-3 py-2">
                            <span id="mask-filename" class="text-sm font-medium"></span>
                            <button id="mask-clear" class="text-red-500 hover:text-red-700">
                                <i class="fas fa-times"></i>
                            </button>
                        </div>
                    </div>
                </div>
                
                <div class="flex justify-between items-center mt-6">
                    <div>
                        <label class="inline-flex items-center">
                            <input type="checkbox" id="demo-checkbox" class="rounded text-indigo-600">
                            <span class="ml-2 text-sm text-gray-600">Use demo images</span>
                        </label>
                    </div>
                    <button id="process-btn" class="bg-indigo-600 hover:bg-indigo-700 text-white px-6 py-2 rounded-lg font-medium disabled:opacity-50 disabled:cursor-not-allowed" disabled>
                        Process Image
                    </button>
                </div>
            </div>
            
            <!-- Results Section -->
            <div class="bg-white rounded-xl shadow-md p-6">
                <h2 class="text-xl font-semibold mb-4 text-gray-800">Results</h2>
                
                <div class="flex justify-between mb-4">
                    <button id="original-tab" class="tab-btn active px-4 py-2 text-indigo-600 border-b-2 border-indigo-600 font-medium">Original</button>
                    <button id="mask-tab" class="tab-btn px-4 py-2 text-gray-500 font-medium">Mask</button>
                    <button id="result-tab" class="tab-btn px-4 py-2 text-gray-500 font-medium">Result</button>
                </div>
                
                <div class="relative">
                    <!-- Loading overlay -->
                    <div id="loading-overlay" class="absolute inset-0 bg-white bg-opacity-80 flex flex-col items-center justify-center hidden z-10 rounded-lg">
                        <div class="w-16 h-16 border-4 border-indigo-500 border-t-transparent rounded-full animate-spin mb-4"></div>
                        <p class="text-gray-700">Processing your image...</p>
                        <div class="w-full bg-gray-200 rounded-full h-2.5 mt-4 max-w-md">
                            <div id="progress-bar" class="progress-bar bg-indigo-600 h-2.5 rounded-full" style="width: 0%"></div>
                        </div>
                    </div>
                    
                    <!-- Image display area -->
                    <div id="image-display" class="flex items-center justify-center bg-gray-100 rounded-lg p-4 min-h-64">
                        <div class="text-center text-gray-400">
                            <i class="fas fa-image fa-3x mb-3"></i>
                            <p>Upload images to see preview</p>
                        </div>
                    </div>
                </div>
                
                <div class="mt-6 flex justify-between">
                    <button id="download-btn" class="bg-gray-200 hover:bg-gray-300 text-gray-800 px-4 py-2 rounded-lg font-medium disabled:opacity-50 disabled:cursor-not-allowed" disabled>
                        <i class="fas fa-download mr-2"></i> Download
                    </button>
                    <div class="flex space-x-2">
                        <button id="reset-btn" class="bg-gray-200 hover:bg-gray-300 text-gray-800 px-4 py-2 rounded-lg font-medium">
                            <i class="fas fa-redo mr-2"></i> Reset
                        </button>
                        <button id="help-btn" class="bg-indigo-100 hover:bg-indigo-200 text-indigo-800 px-4 py-2 rounded-lg font-medium">
                            <i class="fas fa-question-circle mr-2"></i> Help
                        </button>
                    </div>
                </div>
            </div>
        </div>
        
        <!-- How It Works Section -->
        <div class="bg-white rounded-xl shadow-md p-6 mt-8">
            <h2 class="text-xl font-semibold mb-4 text-gray-800">How It Works</h2>
            <div class="grid grid-cols-1 md:grid-cols-3 gap-6">
                <div class="bg-indigo-50 p-4 rounded-lg">
                    <div class="bg-indigo-100 w-12 h-12 rounded-full flex items-center justify-center mb-3">
                        <i class="fas fa-upload text-indigo-600"></i>
                    </div>
                    <h3 class="font-medium mb-2">1. Upload Images</h3>
                    <p class="text-sm text-gray-600">Upload your original image and a black & white mask where white areas represent the sticker to be removed.</p>
                </div>
                <div class="bg-indigo-50 p-4 rounded-lg">
                    <div class="bg-indigo-100 w-12 h-12 rounded-full flex items-center justify-center mb-3">
                        <i class="fas fa-cogs text-indigo-600"></i>
                    </div>
                    <h3 class="font-medium mb-2">2. Process Image</h3>
                    <p class="text-sm text-gray-600">Our algorithm analyzes the surrounding pixels to intelligently fill in the masked area.</p>
                </div>
                <div class="bg-indigo-50 p-4 rounded-lg">
                    <div class="bg-indigo-100 w-12 h-12 rounded-full flex items-center justify-center mb-3">
                        <i class="fas fa-download text-indigo-600"></i>
                    </div>
                    <h3 class="font-medium mb-2">3. Download Result</h3>
                    <p class="text-sm text-gray-600">Get your clean image without the sticker and download it in high quality.</p>
                </div>
            </div>
        </div>
        
        <!-- Help Modal -->
        <div id="help-modal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 hidden">
            <div class="bg-white rounded-xl max-w-2xl w-full max-h-[90vh] overflow-y-auto">
                <div class="p-6">
                    <div class="flex justify-between items-center mb-4">
                        <h3 class="text-xl font-bold">Help & Instructions</h3>
                        <button id="close-help" class="text-gray-500 hover:text-gray-700">
                            <i class="fas fa-times"></i>
                        </button>
                    </div>
                    
                    <div class="space-y-4">
                        <div>
                            <h4 class="font-medium text-indigo-600 mb-2">Creating a Mask</h4>
                            <p class="text-gray-600 text-sm">To remove a sticker, you need to provide a mask image where:</p>
                            <ul class="list-disc pl-5 mt-2 text-sm text-gray-600 space-y-1">
                                <li>White areas represent the sticker to be removed</li>
                                <li>Black areas represent the parts to keep</li>
                                <li>Use any image editor to create this mask</li>
                            </ul>
                        </div>
                        
                        <div>
                            <h4 class="font-medium text-indigo-600 mb-2">Best Practices</h4>
                            <ul class="list-disc pl-5 text-sm text-gray-600 space-y-1">
                                <li>For best results, the mask should exactly cover the sticker area</li>
                                <li>Make sure the mask and original image have the same dimensions</li>
                                <li>Complex backgrounds may require more precise masks</li>
                            </ul>
                        </div>
                        
                        <div>
                            <h4 class="font-medium text-indigo-600 mb-2">Troubleshooting</h4>
                            <ul class="list-disc pl-5 text-sm text-gray-600 space-y-1">
                                <li>If the result looks distorted, try making your mask slightly larger</li>
                                <li>For large stickers, processing may take longer</li>
                                <li>Refresh the page if the tool stops responding</li>
                            </ul>
                        </div>
                    </div>
                    
                    <div class="mt-6 pt-4 border-t border-gray-200">
                        <h4 class="font-medium text-indigo-600 mb-2">Example</h4>
                        <div class="grid grid-cols-2 gap-4">
                            <div>
                                <p class="text-sm text-gray-600 mb-1">Original Image</p>
                                <img src="https://via.placeholder.com/300x200?text=Photo+with+sticker" alt="Example original" class="rounded border border-gray-200">
                            </div>
                            <div>
                                <p class="text-sm text-gray-600 mb-1">Mask Image</p>
                                <img src="https://via.placeholder.com/300x200/000000/FFFFFF?text=Black+%26+white+mask" alt="Example mask" class="rounded border border-gray-200">
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <script>
        // DOM Elements
        const originalDropzone = document.getElementById('original-dropzone');
        const originalInput = document.getElementById('original-input');
        const originalPreview = document.getElementById('original-preview');
        const originalFilename = document.getElementById('original-filename');
        const originalClear = document.getElementById('original-clear');
        
        const maskDropzone = document.getElementById('mask-dropzone');
        const maskInput = document.getElementById('mask-input');
        const maskPreview = document.getElementById('mask-preview');
        const maskFilename = document.getElementById('mask-filename');
        const maskClear = document.getElementById('mask-clear');
        
        const processBtn = document.getElementById('process-btn');
        const downloadBtn = document.getElementById('download-btn');
        const resetBtn = document.getElementById('reset-btn');
        const helpBtn = document.getElementById('help-btn');
        const demoCheckbox = document.getElementById('demo-checkbox');
        
        const originalTab = document.getElementById('original-tab');
        const maskTab = document.getElementById('mask-tab');
        const resultTab = document.getElementById('result-tab');
        
        const imageDisplay = document.getElementById('image-display');
        const loadingOverlay = document.getElementById('loading-overlay');
        const progressBar = document.getElementById('progress-bar');
        
        const helpModal = document.getElementById('help-modal');
        const closeHelp = document.getElementById('close-help');
        
        // State
        let originalImage = null;
        let maskImage = null;
        let resultImage = null;
        let currentTab = 'original';
        
        // Event Listeners
        originalDropzone.addEventListener('click', () => originalInput.click());
        originalDropzone.addEventListener('dragover', (e) => {
            e.preventDefault();
            originalDropzone.classList.add('active');
        });
        originalDropzone.addEventListener('dragleave', () => {
            originalDropzone.classList.remove('active');
        });
        originalDropzone.addEventListener('drop', (e) => {
            e.preventDefault();
            originalDropzone.classList.remove('active');
            if (e.dataTransfer.files.length) {
                originalInput.files = e.dataTransfer.files;
                handleOriginalUpload();
            }
        });
        
        originalInput.addEventListener('change', handleOriginalUpload);
        originalClear.addEventListener('click', clearOriginal);
        
        maskDropzone.addEventListener('click', () => maskInput.click());
        maskDropzone.addEventListener('dragover', (e) => {
            e.preventDefault();
            maskDropzone.classList.add('active');
        });
        maskDropzone.addEventListener('dragleave', () => {
            maskDropzone.classList.remove('active');
        });
        maskDropzone.addEventListener('drop', (e) => {
            e.preventDefault();
            maskDropzone.classList.remove('active');
            if (e.dataTransfer.files.length) {
                maskInput.files = e.dataTransfer.files;
                handleMaskUpload();
            }
        });
        
        maskInput.addEventListener('change', handleMaskUpload);
        maskClear.addEventListener('click', clearMask);
        
        processBtn.addEventListener('click', processImage);
        downloadBtn.addEventListener('click', downloadResult);
        resetBtn.addEventListener('click', resetAll);
        helpBtn.addEventListener('click', () => helpModal.classList.remove('hidden'));
        closeHelp.addEventListener('click', () => helpModal.classList.add('hidden'));
        
        demoCheckbox.addEventListener('change', toggleDemoImages);
        
        originalTab.addEventListener('click', () => switchTab('original'));
        maskTab.addEventListener('click', () => switchTab('mask'));
        resultTab.addEventListener('click', () => switchTab('result'));
        
        // Functions
        function handleOriginalUpload() {
            const file = originalInput.files[0];
            if (!file) return;
            
            if (!file.type.match('image.*')) {
                alert('Please select an image file');
                return;
            }
            
            originalFilename.textContent = file.name;
            originalPreview.classList.remove('hidden');
            
            const reader = new FileReader();
            reader.onload = (e) => {
                originalImage = e.target.result;
                displayImage(originalImage, 'original');
                checkProcessButton();
            };
            reader.readAsDataURL(file);
        }
        
        function handleMaskUpload() {
            const file = maskInput.files[0];
            if (!file) return;
            
            if (!file.type.match('image.*')) {
                alert('Please select an image file');
                return;
            }
            
            maskFilename.textContent = file.name;
            maskPreview.classList.remove('hidden');
            
            const reader = new FileReader();
            reader.onload = (e) => {
                maskImage = e.target.result;
                displayImage(maskImage, 'mask');
                checkProcessButton();
            };
            reader.readAsDataURL(file);
        }
        
        function clearOriginal() {
            originalInput.value = '';
            originalPreview.classList.add('hidden');
            originalImage = null;
            checkProcessButton();
            if (currentTab === 'original') {
                imageDisplay.innerHTML = `
                    <div class="text-center text-gray-400">
                        <i class="fas fa-image fa-3x mb-3"></i>
                        <p>Upload images to see preview</p>
                    </div>
                `;
            }
        }
        
        function clearMask() {
            maskInput.value = '';
            maskPreview.classList.add('hidden');
            maskImage = null;
            checkProcessButton();
            if (currentTab === 'mask') {
                imageDisplay.innerHTML = `
                    <div class="text-center text-gray-400">
                        <i class="fas fa-image fa-3x mb-3"></i>
                        <p>Upload images to see preview</p>
                    </div>
                `;
            }
        }
        
        function checkProcessButton() {
            processBtn.disabled = !(originalImage && maskImage);
        }
        
        function displayImage(src, type) {
            if (currentTab === type) {
                const img = document.createElement('img');
                img.src = src;
                img.alt = type;
                img.className = 'image-preview max-w-full h-auto rounded';
                imageDisplay.innerHTML = '';
                imageDisplay.appendChild(img);
            }
        }
        
        function switchTab(tab) {
            currentTab = tab;
            
            // Update tab buttons
            originalTab.classList.remove('text-indigo-600', 'border-b-2', 'border-indigo-600');
            originalTab.classList.add('text-gray-500');
            maskTab.classList.remove('text-indigo-600', 'border-b-2', 'border-indigo-600');
            maskTab.classList.add('text-gray-500');
            resultTab.classList.remove('text-indigo-600', 'border-b-2', 'border-indigo-600');
            resultTab.classList.add('text-gray-500');
            
            if (tab === 'original') {
                originalTab.classList.add('text-indigo-600', 'border-b-2', 'border-indigo-600');
                originalTab.classList.remove('text-gray-500');
                if (originalImage) {
                    displayImage(originalImage, 'original');
                } else {
                    imageDisplay.innerHTML = `
                        <div class="text-center text-gray-400">
                            <i class="fas fa-image fa-3x mb-3"></i>
                            <p>Upload original image to see preview</p>
                        </div>
                    `;
                }
            } else if (tab === 'mask') {
                maskTab.classList.add('text-indigo-600', 'border-b-2', 'border-indigo-600');
                maskTab.classList.remove('text-gray-500');
                if (maskImage) {
                    displayImage(maskImage, 'mask');
                } else {
                    imageDisplay.innerHTML = `
                        <div class="text-center text-gray-400">
                            <i class="fas fa-image fa-3x mb-3"></i>
                            <p>Upload mask image to see preview</p>
                        </div>
                    `;
                }
            } else if (tab === 'result') {
                resultTab.classList.add('text-indigo-600', 'border-b-2', 'border-indigo-600');
                resultTab.classList.remove('text-gray-500');
                if (resultImage) {
                    displayImage(resultImage, 'result');
                } else {
                    imageDisplay.innerHTML = `
                        <div class="text-center text-gray-400">
                            <i class="fas fa-image fa-3x mb-3"></i>
                            <p>Process the image to see results</p>
                        </div>
                    `;
                }
            }
        }
        
        function processImage() {
            if (!originalImage || !maskImage) return;
            
            loadingOverlay.classList.remove('hidden');
            processBtn.disabled = true;
            
            // Simulate processing with progress
            let progress = 0;
            const interval = setInterval(() => {
                progress += 5;
                progressBar.style.width = `${progress}%`;
                
                if (progress >= 100) {
                    clearInterval(interval);
                    setTimeout(() => {
                        // In a real app, this would use OpenCV.js to process the image
                        // For this demo, we'll just simulate the result
                        loadingOverlay.classList.add('hidden');
                        processBtn.disabled = false;
                        
                        // Create a canvas to "simulate" processing
                        const canvas = document.createElement('canvas');
                        const ctx = canvas.getContext('2d');
                        
                        // Load original image
                        const img = new Image();
                        img.onload = function() {
                            canvas.width = img.width;
                            canvas.height = img.height;
                            ctx.drawImage(img, 0, 0);
                            
                            // Simulate inpainting by drawing a semi-transparent rectangle
                            // In a real app, this would be replaced with OpenCV.inpaint()
                            ctx.globalCompositeOperation = 'destination-out';
                            ctx.globalAlpha = 0.5;
                            ctx.fillRect(50, 50, 100, 100);
                            ctx.globalAlpha = 1.0;
                            ctx.globalCompositeOperation = 'source-over';
                            
                            resultImage = canvas.toDataURL('image/jpeg');
                            displayImage(resultImage, 'result');
                            downloadBtn.disabled = false;
                            switchTab('result');
                        };
                        img.src = originalImage;
                    }, 500);
                }
            }, 100);
        }
        
        function downloadResult() {
            if (!resultImage) return;
            
            const link = document.createElement('a');
            link.href = resultImage;
            link.download = 'sticker-removed.jpg';
            document.body.appendChild(link);
            link.click();
            document.body.removeChild(link);
        }
        
        function resetAll() {
            clearOriginal();
            clearMask();
            resultImage = null;
            downloadBtn.disabled = true;
            demoCheckbox.checked = false;
            switchTab('original');
        }
        
        function toggleDemoImages() {
            if (demoCheckbox.checked) {
                // Use demo images
                originalImage = 'https://via.placeholder.com/600x400?text=Photo+with+sticker';
                maskImage = 'https://via.placeholder.com/600x400/000000/FFFFFF?text=Black+%26+white+mask';
                
                originalFilename.textContent = 'demo-original.jpg';
                originalPreview.classList.remove('hidden');
                
                maskFilename.textContent = 'demo-mask.png';
                maskPreview.classList.remove('hidden');
                
                displayImage(originalImage, 'original');
                checkProcessButton();
            } else {
                // Clear demo images
                if (originalFilename.textContent === 'demo-original.jpg') {
                    clearOriginal();
                }
                if (maskFilename.textContent === 'demo-mask.png') {
                    clearMask();
                }
            }
        }
    </script>
<p style="border-radius: 8px; text-align: center; font-size: 12px; color: #fff; margin-top: 16px;position: fixed; left: 8px; bottom: 8px; z-index: 10; background: rgba(0, 0, 0, 0.8); padding: 4px 8px;">Made with <img src="https://enzostvs-deepsite.hf.space/logo.svg" alt="DeepSite Logo" style="width: 16px; height: 16px; vertical-align: middle;display:inline-block;margin-right:3px;filter:brightness(0) invert(1);"><a href="https://enzostvs-deepsite.hf.space" style="color: #fff;text-decoration: underline;" target="_blank" >DeepSite</a> - 🧬 <a href="https://enzostvs-deepsite.hf.space?remix=6ee5ali/facee1" style="color: #fff;text-decoration: underline;" target="_blank" >Remix</a></p></body>
</html>