Cursor Rules.cursor

QR Code Generation & Processing

Generate, customize, and process QR codes for various applications and use cases

Mobile
# Qr Code Generation

This document provides comprehensive guidelines for qr code generation development and best practices.

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## QR Code Fundamentals

1. **QR**
   - QR code structure and data encoding
   - Implement proper qr code structure and data encoding
   - Follow best practices for optimal results

2. **Error**
   - Error correction levels (L, M, Q, H)
   - Implement proper error correction levels (l, m, q, h)
   - Follow best practices for optimal results

3. **Data**
   - Data capacity and limitations
   - Implement proper data capacity and limitations
   - Follow best practices for optimal results

4. **Module**
   - Module size and quiet zone requirements
   - Implement proper module size and quiet zone requirements
   - Follow best practices for optimal results

5. **Version**
   - Version compatibility considerations
   - Implement proper version compatibility considerations
   - Follow best practices for optimal results

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## Generation Libraries

6. **qrcode.js**
   - qrcode.js for JavaScript applications
   - Implement proper qrcode.js for javascript applications
   - Follow best practices for optimal results

7. **qrcode**
   - qrcode Python library for backend
   - Implement proper qrcode python library for backend
   - Follow best practices for optimal results

8. **ZXing**
   - ZXing for Java applications
   - Implement proper zxing for java applications
   - Follow best practices for optimal results

9. **qr-code-generator**
   - qr-code-generator for cross-platform
   - Implement proper qr-code-generator for cross-platform
   - Follow best practices for optimal results

10. **Native**
   - Native mobile SDK integration
   - Implement proper native mobile sdk integration
   - Follow best practices for optimal results

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## Customization Options

11. **Logo**
   - Logo embedding and branding
   - Implement proper logo embedding and branding
   - Follow best practices for optimal results

12. **Color**
   - Color customization and gradients
   - Implement proper color customization and gradients
   - Follow best practices for optimal results

13. **Custom**
   - Custom patterns and designs
   - Implement proper custom patterns and designs
   - Follow best practices for optimal results

14. **Size**
   - Size and resolution optimization
   - Implement proper size and resolution optimization
   - Follow best practices for optimal results

15. **Format**
   - Format output (PNG, SVG, PDF)
   - Implement proper format output (png, svg, pdf)
   - Follow best practices for optimal results

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## Data Encoding

16. **Text**
   - Text and URL encoding
   - Implement proper text and url encoding
   - Follow best practices for optimal results

17. **Contact**
   - Contact information (vCard)
   - Implement proper contact information (vcard)
   - Follow best practices for optimal results

18. **WiFi**
   - WiFi credentials encoding
   - Implement proper wifi credentials encoding
   - Follow best practices for optimal results

19. **Email**
   - Email and SMS message encoding
   - Implement proper email and sms message encoding
   - Follow best practices for optimal results

20. **Geographic**
   - Geographic coordinates
   - Implement proper geographic coordinates
   - Follow best practices for optimal results

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## Web Implementation

21. **Client-side**
   - Client-side generation with Canvas
   - Implement proper client-side generation with canvas
   - Follow best practices for optimal results

22. **Server-side**
   - Server-side generation for APIs
   - Implement proper server-side generation for apis
   - Follow best practices for optimal results

23. **Real-time**
   - Real-time QR code updates
   - Implement proper real-time qr code updates
   - Follow best practices for optimal results

24. **Batch**
   - Batch generation workflows
   - Implement proper batch generation workflows
   - Follow best practices for optimal results

25. **Download**
   - Download and sharing features
   - Implement proper download and sharing features
   - Follow best practices for optimal results

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## Mobile Integration

26. **Camera-based**
   - Camera-based QR scanning
   - Implement proper camera-based qr scanning
   - Follow best practices for optimal results

27. **Gallery**
   - Gallery image processing
   - Implement proper gallery image processing
   - Follow best practices for optimal results

28. **React**
   - React Native QR implementation
   - Implement proper react native qr implementation
   - Follow best practices for optimal results

29. **Flutter**
   - Flutter QR code widgets
   - Implement proper flutter qr code widgets
   - Follow best practices for optimal results

30. **Native**
   - Native iOS and Android integration
   - Implement proper native ios and android integration
   - Follow best practices for optimal results

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## Backend Processing

31. **API**
   - API endpoints for generation
   - Implement proper api endpoints for generation
   - Follow best practices for optimal results

32. **Bulk**
   - Bulk QR code creation
   - Implement proper bulk qr code creation
   - Follow best practices for optimal results

33. **Database**
   - Database integration
   - Implement proper database integration
   - Follow best practices for optimal results

34. **Analytics**
   - Analytics and tracking
   - Implement proper analytics and tracking
   - Follow best practices for optimal results

35. **Caching**
   - Caching strategies
   - Implement proper caching strategies
   - Follow best practices for optimal results

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## Advanced Features

36. **Dynamic**
   - Dynamic QR codes with tracking
   - Implement proper dynamic qr codes with tracking
   - Follow best practices for optimal results

37. **Multi-format**
   - Multi-format data encoding
   - Implement proper multi-format data encoding
   - Follow best practices for optimal results

38. **Batch**
   - Batch processing optimization
   - Implement proper batch processing optimization
   - Follow best practices for optimal results

39. **Error**
   - Error handling and validation
   - Implement proper error handling and validation
   - Follow best practices for optimal results

40. **Performance**
   - Performance optimization
   - Implement proper performance optimization
   - Follow best practices for optimal results

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## Security Considerations

41. **Data**
   - Data validation and sanitization
   - Implement proper data validation and sanitization
   - Follow best practices for optimal results

42. **URL**
   - URL safety verification
   - Implement proper url safety verification
   - Follow best practices for optimal results

43. **Malicious**
   - Malicious content prevention
   - Implement proper malicious content prevention
   - Follow best practices for optimal results

44. **Privacy**
   - Privacy protection measures
   - Implement proper privacy protection measures
   - Follow best practices for optimal results

45. **Secure**
   - Secure data transmission
   - Implement proper secure data transmission
   - Follow best practices for optimal results

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## Use Cases

46. **Payment**
   - Payment processing integration
   - Implement proper payment processing integration
   - Follow best practices for optimal results

47. **Event**
   - Event ticketing systems
   - Implement proper event ticketing systems
   - Follow best practices for optimal results

48. **Product**
   - Product authentication
   - Implement proper product authentication
   - Follow best practices for optimal results

49. **Marketing**
   - Marketing campaign tracking
   - Implement proper marketing campaign tracking
   - Follow best practices for optimal results

50. **Inventory**
   - Inventory management
   - Implement proper inventory management
   - Follow best practices for optimal results

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## Performance Optimization

51. **Image**
   - Image compression techniques
   - Implement proper image compression techniques
   - Follow best practices for optimal results

52. **Caching**
   - Caching generated codes
   - Implement proper caching generated codes
   - Follow best practices for optimal results

53. **Lazy**
   - Lazy loading for large batches
   - Implement proper lazy loading for large batches
   - Follow best practices for optimal results

54. **Memory**
   - Memory usage optimization
   - Implement proper memory usage optimization
   - Follow best practices for optimal results

55. **Processing**
   - Processing speed improvement
   - Implement proper processing speed improvement
   - Follow best practices for optimal results

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## Testing & Validation

56. **QR**
   - QR code readability testing
   - Implement proper qr code readability testing
   - Follow best practices for optimal results

57. **Cross-device**
   - Cross-device compatibility
   - Implement proper cross-device compatibility
   - Follow best practices for optimal results

58. **Error**
   - Error correction verification
   - Implement proper error correction verification
   - Follow best practices for optimal results

59. **Performance**
   - Performance benchmarking
   - Implement proper performance benchmarking
   - Follow best practices for optimal results

60. **User**
   - User experience testing
   - Implement proper user experience testing
   - Follow best practices for optimal results

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## Analytics & Tracking

61. **Scan**
   - Scan rate monitoring
   - Implement proper scan rate monitoring
   - Follow best practices for optimal results

62. **Geographic**
   - Geographic analytics
   - Implement proper geographic analytics
   - Follow best practices for optimal results

63. **Device**
   - Device and browser tracking
   - Implement proper device and browser tracking
   - Follow best practices for optimal results

64. **Conversion**
   - Conversion rate analysis
   - Implement proper conversion rate analysis
   - Follow best practices for optimal results

65. **A/B**
   - A/B testing implementation
   - Implement proper a/b testing implementation
   - Follow best practices for optimal results

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## Integration Patterns

66. **REST**
   - REST API development
   - Implement proper rest api development
   - Follow best practices for optimal results

67. **Webhook**
   - Webhook integration
   - Implement proper webhook integration
   - Follow best practices for optimal results

68. **Third-party**
   - Third-party service integration
   - Implement proper third-party service integration
   - Follow best practices for optimal results

69. **Database**
   - Database storage strategies
   - Implement proper database storage strategies
   - Follow best practices for optimal results

70. **Cloud**
   - Cloud service deployment
   - Implement proper cloud service deployment
   - Follow best practices for optimal results

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## Troubleshooting

71. **Common**
   - Common scanning issues
   - Implement proper common scanning issues
   - Follow best practices for optimal results

72. **Image**
   - Image quality problems
   - Implement proper image quality problems
   - Follow best practices for optimal results

73. **Encoding**
   - Encoding error resolution
   - Implement proper encoding error resolution
   - Follow best practices for optimal results

74. **Performance**
   - Performance debugging
   - Implement proper performance debugging
   - Follow best practices for optimal results

75. **Compatibility**
   - Compatibility fixes
   - Implement proper compatibility fixes
   - Follow best practices for optimal results

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## Summary Checklist

- [ ] Core principles implemented
- [ ] Best practices followed
- [ ] Performance optimized
- [ ] Security measures in place
- [ ] Testing strategy implemented
- [ ] Documentation completed
- [ ] Monitoring configured
- [ ] Production deployment ready

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Follow these comprehensive guidelines for successful qr code generation implementation.
QR Code Generation & Processing - Cursor IDE AI Rule