oxigdal-wasm 0.1.4

WebAssembly bindings for OxiGDAL - Browser-based geospatial processing
Documentation
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
//! Auto-generated module
//!
//! 🤖 Generated with [SplitRS](https://github.com/cool-japan/splitrs)

use crate::*;

#[cfg(test)]
mod unit_tests {
    use super::*;
    /// Tests for TileCoord functionality
    mod tile_coord_tests {
        use super::*;
        #[test]
        fn test_tile_coord_creation() {
            let coord = TileCoord::new(5, 10, 20);
            assert_eq!(coord.level, 5);
            assert_eq!(coord.x, 10);
            assert_eq!(coord.y, 20);
        }
        #[test]
        fn test_tile_coord_key() {
            let coord = TileCoord::new(5, 10, 20);
            assert_eq!(coord.key(), "5/10/20");
        }
        #[test]
        fn test_tile_coord_parent() {
            let coord = TileCoord::new(5, 10, 20);
            let parent = coord.parent().expect("Should have parent");
            assert_eq!(parent.level, 4);
            assert_eq!(parent.x, 5);
            assert_eq!(parent.y, 10);
            let root = TileCoord::new(0, 0, 0);
            assert!(root.parent().is_none());
        }
        #[test]
        fn test_tile_coord_children() {
            let coord = TileCoord::new(5, 10, 20);
            let children = coord.children();
            assert_eq!(children.len(), 4);
            assert_eq!(children[0], TileCoord::new(6, 20, 40));
            assert_eq!(children[1], TileCoord::new(6, 21, 40));
            assert_eq!(children[2], TileCoord::new(6, 20, 41));
            assert_eq!(children[3], TileCoord::new(6, 21, 41));
        }
        #[test]
        fn test_tile_coord_from_key() {
            let coord = TileCoord::new(5, 10, 20);
            let key = coord.key();
            let parsed = TileCoord::from_key(&key).expect("Should parse");
            assert_eq!(parsed, coord);
            assert!(TileCoord::from_key("invalid").is_none());
            assert!(TileCoord::from_key("1/2").is_none());
            assert!(TileCoord::from_key("a/b/c").is_none());
        }
        #[test]
        fn test_tile_coord_neighbors() {
            let coord = TileCoord::new(5, 10, 10);
            let neighbors = coord.neighbors();
            let valid_neighbors: Vec<_> = neighbors.iter().filter_map(|&n| n).collect();
            assert_eq!(valid_neighbors.len(), 8);
            let corner = TileCoord::new(0, 0, 0);
            let corner_neighbors = corner.neighbors();
            let valid_corner: Vec<_> = corner_neighbors.iter().filter_map(|&n| n).collect();
            assert_eq!(valid_corner.len(), 3);
        }
    }
    /// Tests for TileCache functionality
    mod tile_cache_tests {
        use super::*;
        #[test]
        fn test_cache_creation() {
            let cache = TileCache::new(1024);
            let stats = cache.stats();
            assert_eq!(stats.current_size, 0);
            assert_eq!(stats.max_size, 1024);
            assert_eq!(stats.entry_count, 0);
        }
        #[test]
        fn test_cache_put_get() {
            let mut cache = TileCache::new(1024);
            let coord = TileCoord::new(0, 0, 0);
            let data = vec![1, 2, 3, 4, 5];
            cache
                .put(coord, data.clone(), 0.0)
                .expect("Put should succeed");
            let retrieved = cache.get(&coord, 0.0).expect("Should find tile");
            assert_eq!(retrieved, data);
            let stats = cache.stats();
            assert_eq!(stats.hit_count, 1);
            assert_eq!(stats.miss_count, 0);
        }
        #[test]
        fn test_cache_miss() {
            let mut cache = TileCache::new(1024);
            let coord = TileCoord::new(0, 0, 0);
            let result = cache.get(&coord, 0.0);
            assert!(result.is_none());
            let stats = cache.stats();
            assert_eq!(stats.hit_count, 0);
            assert_eq!(stats.miss_count, 1);
        }
        #[test]
        fn test_cache_eviction() {
            // Cache size 14 bytes - can fit 2 tiles of 5 bytes (10 total) but not 3 (15 total)
            let mut cache = TileCache::new(14);
            let coord1 = TileCoord::new(0, 0, 0);
            let coord2 = TileCoord::new(0, 1, 0);
            let coord3 = TileCoord::new(0, 2, 0);
            cache.put(coord1, vec![1, 2, 3, 4, 5], 0.0).expect("Put 1");
            cache.put(coord2, vec![6, 7, 8, 9, 10], 1.0).expect("Put 2");
            cache
                .put(coord3, vec![11, 12, 13, 14, 15], 2.0)
                .expect("Put 3");
            // First tile should be evicted (LRU), keeping tiles 2 and 3
            assert!(!cache.contains(&coord1));
            assert!(cache.contains(&coord2));
            assert!(cache.contains(&coord3));
        }
        #[test]
        fn test_cache_hit_rate() {
            let mut cache = TileCache::new(1024);
            let coord = TileCoord::new(0, 0, 0);
            cache.put(coord, vec![1, 2, 3], 0.0).expect("Put");
            cache.get(&coord, 1.0);
            cache.get(&coord, 2.0);
            cache.get(&TileCoord::new(0, 1, 0), 3.0);
            let hit_rate = cache.hit_rate();
            assert!((hit_rate - 0.666).abs() < 0.01);
        }
        #[test]
        fn test_cache_clear() {
            let mut cache = TileCache::new(1024);
            let coord = TileCoord::new(0, 0, 0);
            cache.put(coord, vec![1, 2, 3], 0.0).expect("Put");
            assert_eq!(cache.stats().entry_count, 1);
            cache.clear();
            assert_eq!(cache.stats().entry_count, 0);
            assert_eq!(cache.stats().current_size, 0);
        }
    }
    /// Tests for TilePyramid functionality
    mod tile_pyramid_tests {
        use super::*;
        #[test]
        fn test_pyramid_creation() {
            let pyramid = TilePyramid::new(4096, 2048, 256, 256);
            assert_eq!(pyramid.width, 4096);
            assert_eq!(pyramid.height, 2048);
            assert_eq!(pyramid.tile_width, 256);
            assert_eq!(pyramid.tile_height, 256);
        }
        #[test]
        fn test_pyramid_tiles_at_level() {
            let pyramid = TilePyramid::new(4096, 2048, 256, 256);
            let (tiles_x, tiles_y) = pyramid.tiles_at_level(0).expect("Level 0");
            assert_eq!(tiles_x, 16);
            assert_eq!(tiles_y, 8);
            let (tiles_x1, tiles_y1) = pyramid.tiles_at_level(1).expect("Level 1");
            assert_eq!(tiles_x1, 8);
            assert_eq!(tiles_y1, 4);
        }
        #[test]
        fn test_pyramid_total_tiles() {
            let pyramid = TilePyramid::new(1024, 1024, 256, 256);
            let total = pyramid.total_tiles();
            assert!(total > 0);
            assert_eq!(total, 21);
        }
        #[test]
        fn test_pyramid_valid_coord() {
            let pyramid = TilePyramid::new(1024, 1024, 256, 256);
            assert!(pyramid.is_valid_coord(&TileCoord::new(0, 0, 0)));
            assert!(pyramid.is_valid_coord(&TileCoord::new(0, 3, 3)));
            assert!(!pyramid.is_valid_coord(&TileCoord::new(0, 4, 4)));
            assert!(!pyramid.is_valid_coord(&TileCoord::new(10, 0, 0)));
        }
    }
    /// Tests for ImageProcessor functionality
    mod image_processor_tests {
        use super::*;
        #[test]
        fn test_rgb_to_grayscale() {
            let rgb = Rgb::new(128, 128, 128);
            assert_eq!(rgb.to_gray(), 128);
            let black = Rgb::new(0, 0, 0);
            assert_eq!(black.to_gray(), 0);
            let white = Rgb::new(255, 255, 255);
            assert_eq!(white.to_gray(), 255);
        }
        #[test]
        fn test_rgb_to_hsv_to_rgb() {
            let original = Rgb::new(255, 0, 0);
            let hsv = original.to_hsv();
            let converted = hsv.to_rgb();
            assert_eq!(converted.r, original.r);
            assert!(converted.g < 5);
            assert!(converted.b < 5);
        }
        #[test]
        fn test_rgb_to_ycbcr_to_rgb() {
            let original = Rgb::new(128, 64, 192);
            let ycbcr = original.to_ycbcr();
            let converted = ycbcr.to_rgb();
            assert!((converted.r as i32 - original.r as i32).abs() <= 2);
            assert!((converted.g as i32 - original.g as i32).abs() <= 2);
            assert!((converted.b as i32 - original.b as i32).abs() <= 2);
        }
        #[test]
        fn test_brightness_adjustment() {
            let mut data = vec![100, 100, 100, 255];
            ImageProcessor::adjust_brightness(&mut data, 50);
            assert_eq!(data[0], 150);
            assert_eq!(data[1], 150);
            assert_eq!(data[2], 150);
            assert_eq!(data[3], 255);
        }
        #[test]
        fn test_brightness_clamping() {
            let mut data = vec![200, 200, 200, 255];
            ImageProcessor::adjust_brightness(&mut data, 100);
            assert_eq!(data[0], 255);
            assert_eq!(data[1], 255);
            assert_eq!(data[2], 255);
        }
        #[test]
        fn test_invert() {
            let mut data = vec![0, 128, 255, 255];
            ImageProcessor::invert(&mut data);
            assert_eq!(data[0], 255);
            assert_eq!(data[1], 127);
            assert_eq!(data[2], 0);
            assert_eq!(data[3], 255);
        }
        #[test]
        fn test_grayscale_conversion() {
            let mut data = vec![255, 0, 0, 255];
            ImageProcessor::to_grayscale(&mut data);
            assert_eq!(data[0], data[1]);
            assert_eq!(data[1], data[2]);
            assert_eq!(data[3], 255);
        }
    }
    /// Tests for Histogram functionality
    mod histogram_tests {
        use super::*;
        #[test]
        fn test_histogram_creation() {
            let data = vec![
                255, 0, 0, 255, 0, 255, 0, 255, 0, 0, 255, 255, 128, 128, 128, 255,
            ];
            let hist = Histogram::from_rgba(&data, 2, 2).expect("Histogram");
            assert_eq!(hist.red[255], 1);
            assert_eq!(hist.green[255], 1);
            assert_eq!(hist.blue[255], 1);
            assert_eq!(hist.red[128], 1);
        }
        #[test]
        fn test_histogram_min_max() {
            let data = vec![
                50, 50, 50, 255, 100, 100, 100, 255, 150, 150, 150, 255, 200, 200, 200, 255,
            ];
            let hist = Histogram::from_rgba(&data, 2, 2).expect("Histogram");
            assert!(hist.min_value() >= 50);
            assert!(hist.max_value() <= 200);
        }
        #[test]
        fn test_histogram_mean() {
            let data = vec![0, 0, 0, 255, 255, 255, 255, 255];
            let hist = Histogram::from_rgba(&data, 2, 1).expect("Histogram");
            let mean = hist.mean();
            assert!(mean > 100.0 && mean < 150.0);
        }
    }
    /// Tests for Profiler functionality
    mod profiler_tests {
        use super::*;
        #[test]
        fn test_profiler_record() {
            let mut profiler = Profiler::new();
            profiler.record("test", 10.0);
            profiler.record("test", 20.0);
            profiler.record("test", 30.0);
            let stats = profiler.counter_stats("test").expect("Counter exists");
            assert_eq!(stats.count, 3);
            assert_eq!(stats.average_ms, 20.0);
        }
        #[test]
        fn test_profiler_timer() {
            let mut profiler = Profiler::new();
            profiler.start_timer("operation", 0.0);
            profiler.stop_timer("operation", 10.0);
            let stats = profiler.counter_stats("operation").expect("Counter exists");
            assert_eq!(stats.count, 1);
            assert_eq!(stats.total_time_ms, 10.0);
        }
        #[test]
        fn test_profiler_reset() {
            let mut profiler = Profiler::new();
            profiler.record("test", 10.0);
            assert!(profiler.counter_stats("test").is_some());
            profiler.reset();
            let summary = profiler.summary();
            assert!(summary.counters.is_empty());
        }
        #[test]
        fn test_memory_monitor() {
            let mut monitor = MemoryMonitor::new();
            monitor.record(MemorySnapshot::new(0.0, 1000));
            monitor.record(MemorySnapshot::new(1.0, 2000));
            monitor.record(MemorySnapshot::new(2.0, 1500));
            let stats = monitor.stats();
            assert_eq!(stats.current_heap_used, 1500);
            assert_eq!(stats.peak_heap_used, 2000);
            assert_eq!(stats.average_heap_used, 1500.0);
        }
    }
    /// Tests for Viewport functionality
    mod viewport_tests {
        use super::*;
        #[test]
        fn test_viewport_transform_identity() {
            let transform = ViewportTransform::identity();
            let (x, y) = transform.transform_point(10.0, 20.0);
            assert_eq!(x, 10.0);
            assert_eq!(y, 20.0);
        }
        #[test]
        fn test_viewport_transform_translate() {
            let transform = ViewportTransform::translate(5.0, 10.0);
            let (x, y) = transform.transform_point(0.0, 0.0);
            assert_eq!(x, 5.0);
            assert_eq!(y, 10.0);
        }
        #[test]
        fn test_viewport_transform_scale() {
            let transform = ViewportTransform::scale(2.0, 2.0);
            let (x, y) = transform.transform_point(10.0, 20.0);
            assert_eq!(x, 20.0);
            assert_eq!(y, 40.0);
        }
        #[test]
        fn test_viewport_transform_inverse() {
            let transform = ViewportTransform::translate(10.0, 20.0);
            let (x, y) = transform.inverse_transform_point(10.0, 20.0);
            assert!((x - 0.0).abs() < 0.001);
            assert!((y - 0.0).abs() < 0.001);
        }
        #[test]
        fn test_viewport_state_pan() {
            let mut state = ViewportState::new(800, 600);
            state.pan(10.0, 20.0);
            assert_eq!(state.transform.tx, 10.0);
            assert_eq!(state.transform.ty, 20.0);
        }
        #[test]
        fn test_viewport_history() {
            let mut history = ViewportHistory::new(10);
            let state1 = ViewportState::new(800, 600);
            let mut state2 = ViewportState::new(800, 600);
            state2.pan(10.0, 20.0);
            history.push(state1);
            history.push(state2);
            assert!(history.can_undo());
            history.undo();
            assert!(history.can_redo());
        }
    }
    /// Tests for CanvasBuffer functionality
    mod canvas_buffer_tests {
        use super::*;
        #[test]
        fn test_buffer_creation() {
            let buffer = CanvasBuffer::new(256, 256).expect("Create buffer");
            assert_eq!(buffer.dimensions(), (256, 256));
            assert!(buffer.is_dirty());
        }
        #[test]
        fn test_buffer_clear() {
            let mut buffer = CanvasBuffer::new(256, 256).expect("Create buffer");
            buffer.mark_clean();
            assert!(!buffer.is_dirty());
            buffer.clear();
            assert!(buffer.is_dirty());
        }
        #[test]
        fn test_buffer_clear_with_color() {
            let mut buffer = CanvasBuffer::new(2, 2).expect("Create buffer");
            buffer.clear_with_color(255, 0, 0, 255);
            let data = buffer.data();
            assert_eq!(data[0], 255);
            assert_eq!(data[1], 0);
            assert_eq!(data[2], 0);
            assert_eq!(data[3], 255);
        }
        #[test]
        fn test_buffer_resize() {
            let mut buffer = CanvasBuffer::new(256, 256).expect("Create buffer");
            buffer.resize(512, 512).expect("Resize");
            assert_eq!(buffer.dimensions(), (512, 512));
            assert!(buffer.is_dirty());
        }
    }
    /// Tests for FrameRateTracker functionality
    mod frame_rate_tests {
        use super::*;
        #[test]
        fn test_frame_rate_tracker() {
            let mut tracker = FrameRateTracker::new(60.0);
            for i in 0..120 {
                tracker.record_frame((i as f64) * 16.67);
            }
            let stats = tracker.stats();
            assert!(stats.current_fps > 55.0 && stats.current_fps < 65.0);
            assert!(!stats.is_below_target);
        }
        #[test]
        fn test_frame_rate_below_target() {
            let mut tracker = FrameRateTracker::new(60.0);
            for i in 0..60 {
                tracker.record_frame((i as f64) * 33.33);
            }
            let stats = tracker.stats();
            assert!(stats.is_below_target);
        }
    }
    /// Tests for BottleneckDetector functionality
    mod bottleneck_tests {
        use super::*;
        #[test]
        fn test_bottleneck_detection() {
            let mut detector = BottleneckDetector::new(10.0);
            detector.record("fast_op", 5.0);
            detector.record("slow_op", 50.0);
            detector.record("slow_op", 60.0);
            let bottlenecks = detector.detect_bottlenecks();
            assert_eq!(bottlenecks.len(), 1);
            assert_eq!(bottlenecks[0].operation, "slow_op");
        }
        #[test]
        fn test_bottleneck_severity() {
            let mut detector = BottleneckDetector::new(10.0);
            detector.record("critical", 100.0);
            detector.record("warning", 25.0);
            let bottlenecks = detector.detect_bottlenecks();
            assert!(bottlenecks[0].severity > bottlenecks[1].severity);
        }
        #[test]
        fn test_bottleneck_recommendations() {
            let mut detector = BottleneckDetector::new(10.0);
            detector.record("slow", 60.0);
            let recommendations = detector.recommendations();
            assert!(!recommendations.is_empty());
            assert!(recommendations[0].contains("slow"));
        }
    }
    /// Tests for TypeScript bindings
    mod bindings_tests {
        use super::*;
        #[test]
        fn test_ts_type_conversion() {
            assert_eq!(TsType::String.to_ts_string(), "string");
            assert_eq!(TsType::Number.to_ts_string(), "number");
            assert_eq!(TsType::Boolean.to_ts_string(), "boolean");
            assert_eq!(
                TsType::Array(Box::new(TsType::String)).to_ts_string(),
                "string[]"
            );
        }
        #[test]
        fn test_ts_parameter() {
            let param = TsParameter::new("name", TsType::String);
            assert_eq!(param.to_ts_string(), "name: string");
            let optional = TsParameter::new("age", TsType::Number).optional();
            assert_eq!(optional.to_ts_string(), "age?: number");
        }
        #[test]
        fn test_ts_function() {
            let func = TsFunction::new("greet", TsType::String)
                .parameter(TsParameter::new("name", TsType::String));
            let declaration = func.to_ts_declaration();
            assert!(declaration.contains("greet"));
            assert!(declaration.contains("name: string"));
        }
        #[test]
        fn test_ts_interface() {
            let interface = TsInterface::new("Person")
                .field("name", TsType::String)
                .field("age", TsType::Number);
            let declaration = interface.to_ts_declaration();
            assert!(declaration.contains("interface Person"));
            assert!(declaration.contains("name: string"));
            assert!(declaration.contains("age: number"));
        }
    }
}