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Henrik Jess Nielsen
2026-06-01 23:40:55 +02:00
parent 72b1a0a6ed
commit b4c07d3693
5723 changed files with 1130655 additions and 0 deletions
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32
docs/snippets/dart/ocr/cloud_ocr_backend.md Normal file
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```dart title="Dart"
import 'package:kreuzberg/kreuzberg.dart';
Future<void> main() async {
// Cloud OCR backends are registered in the Rust core. From Dart, select a
// registered backend by name. Use `KreuzbergBridge.listOcrBackends()` to
// discover available backends at runtime.
final backends = await KreuzbergBridge.listOcrBackends();
print('Available OCR backends: $backends');
final config = ExtractionConfig(
useCache: true,
enableQualityProcessing: true,
forceOcr: false,
disableOcr: false,
ocr: const OcrConfig(
enabled: true,
backend: 'cloud',
language: 'en',
autoRotate: false,
),
resultFormat: ResultFormat.unified,
outputFormat: OutputFormat.plain(),
includeDocumentStructure: false,
maxArchiveDepth: 3,
useLayoutForMarkdown: false,
);
final result = await KreuzbergBridge.extractFile('scanned.pdf', null, config);
print(result.content);
}
```

31
docs/snippets/dart/ocr/image_extraction.md Normal file
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```dart title="Dart"
import 'package:kreuzberg/kreuzberg.dart';
Future<void> main() async {
final config = ExtractionConfig(
useCache: true,
enableQualityProcessing: true,
forceOcr: false,
disableOcr: false,
images: const ImageExtractionConfig(
extractImages: true,
targetDpi: 300,
maxImageDimension: 4096,
injectPlaceholders: false,
autoAdjustDpi: true,
minDpi: 150,
maxDpi: 600,
classify: false,
),
resultFormat: ResultFormat.unified,
outputFormat: OutputFormat.plain(),
includeDocumentStructure: false,
maxArchiveDepth: 3,
useLayoutForMarkdown: false,
);
final result = await KreuzbergBridge.extractFile('document.pdf', null, config);
final images = result.images ?? const [];
print('Extracted images: ${images.length}');
}
```

32
docs/snippets/dart/ocr/image_preprocessing.md Normal file
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```dart title="Dart"
import 'package:kreuzberg/kreuzberg.dart';
Future<void> main() async {
final config = ExtractionConfig(
useCache: true,
enableQualityProcessing: true,
forceOcr: false,
disableOcr: false,
images: const ImageExtractionConfig(
extractImages: true,
targetDpi: 300,
maxImageDimension: 4096,
injectPlaceholders: true,
autoAdjustDpi: true,
minDpi: 150,
maxDpi: 600,
maxImagesPerPage: 20,
classify: true,
),
resultFormat: ResultFormat.unified,
outputFormat: OutputFormat.plain(),
includeDocumentStructure: false,
maxArchiveDepth: 3,
useLayoutForMarkdown: false,
);
final result = await KreuzbergBridge.extractFile('document.pdf', null, config);
final images = result.images ?? const [];
print('Preprocessed images: ${images.length}');
}
```

26
docs/snippets/dart/ocr/ocr_easyocr.md Normal file
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```dart title="Dart"
import 'package:kreuzberg/kreuzberg.dart';
Future<void> main() async {
final config = ExtractionConfig(
useCache: true,
enableQualityProcessing: true,
forceOcr: false,
disableOcr: false,
ocr: const OcrConfig(
enabled: true,
backend: 'easyocr',
language: 'en',
autoRotate: false,
),
resultFormat: ResultFormat.unified,
outputFormat: OutputFormat.plain(),
includeDocumentStructure: false,
maxArchiveDepth: 3,
useLayoutForMarkdown: false,
);
final result = await KreuzbergBridge.extractFile('document.pdf', null, config);
print(result.content);
}
```

38
docs/snippets/dart/ocr/ocr_elements.md Normal file
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```dart title="Dart"
import 'package:kreuzberg/kreuzberg.dart';
Future<void> main() async {
final config = ExtractionConfig(
useCache: true,
enableQualityProcessing: true,
forceOcr: false,
disableOcr: false,
ocr: const OcrConfig(
enabled: true,
backend: 'paddleocr',
language: 'en',
autoRotate: false,
elementConfig: OcrElementConfig(
includeElements: true,
minLevel: OcrElementLevel.word,
minConfidence: 0.0,
buildHierarchy: false,
),
),
resultFormat: ResultFormat.unified,
outputFormat: OutputFormat.plain(),
includeDocumentStructure: false,
maxArchiveDepth: 3,
useLayoutForMarkdown: false,
);
final result = await KreuzbergBridge.extractFile('scanned.pdf', null, config);
final elements = result.ocrElements ?? const <OcrElement>[];
for (final element in elements) {
print('Text: ${element.text}');
print('Confidence: ${element.confidence.recognition.toStringAsFixed(2)}');
print('Level: ${element.level}');
print('Page: ${element.pageNumber}');
}
}
```

26
docs/snippets/dart/ocr/ocr_extraction.md Normal file
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```dart title="Dart"
import 'package:kreuzberg/kreuzberg.dart';
Future<void> main() async {
final config = ExtractionConfig(
useCache: true,
enableQualityProcessing: true,
forceOcr: false,
disableOcr: false,
ocr: const OcrConfig(
enabled: true,
backend: 'tesseract',
language: 'eng',
autoRotate: false,
),
resultFormat: ResultFormat.unified,
outputFormat: OutputFormat.plain(),
includeDocumentStructure: false,
maxArchiveDepth: 3,
useLayoutForMarkdown: false,
);
final result = await KreuzbergBridge.extractFile('scanned.pdf', null, config);
print(result.content);
}
```

26
docs/snippets/dart/ocr/ocr_force_all_pages.md Normal file
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```dart title="Dart"
import 'package:kreuzberg/kreuzberg.dart';
Future<void> main() async {
final config = ExtractionConfig(
useCache: true,
enableQualityProcessing: true,
forceOcr: true,
disableOcr: false,
ocr: const OcrConfig(
enabled: true,
backend: 'tesseract',
language: 'eng',
autoRotate: false,
),
resultFormat: ResultFormat.unified,
outputFormat: OutputFormat.plain(),
includeDocumentStructure: false,
maxArchiveDepth: 3,
useLayoutForMarkdown: false,
);
final result = await KreuzbergBridge.extractFile('document.pdf', null, config);
print(result.content);
}
```

26
docs/snippets/dart/ocr/ocr_multi_language.md Normal file
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```dart title="Dart"
import 'package:kreuzberg/kreuzberg.dart';
Future<void> main() async {
final config = ExtractionConfig(
useCache: true,
enableQualityProcessing: true,
forceOcr: false,
disableOcr: false,
ocr: const OcrConfig(
enabled: true,
backend: 'tesseract',
language: 'eng+deu+fra',
autoRotate: false,
),
resultFormat: ResultFormat.unified,
outputFormat: OutputFormat.plain(),
includeDocumentStructure: false,
maxArchiveDepth: 3,
useLayoutForMarkdown: false,
);
final result = await KreuzbergBridge.extractFile('multilingual.pdf', null, config);
print(result.content);
}
```

26
docs/snippets/dart/ocr/ocr_paddleocr.md Normal file
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```dart title="Dart"
import 'package:kreuzberg/kreuzberg.dart';
Future<void> main() async {
final config = ExtractionConfig(
useCache: true,
enableQualityProcessing: true,
forceOcr: false,
disableOcr: false,
ocr: const OcrConfig(
enabled: true,
backend: 'paddleocr',
language: 'en',
autoRotate: false,
),
resultFormat: ResultFormat.unified,
outputFormat: OutputFormat.plain(),
includeDocumentStructure: false,
maxArchiveDepth: 3,
useLayoutForMarkdown: false,
);
final result = await KreuzbergBridge.extractFile('document.pdf', null, config);
print(result.content);
}
```