tasks.md
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1. Preparation and Analysis
- 1.1 Install and verify Pillow (PIL) library availability
- 1.2 Backup current image saving implementation
- 1.3 Analyze existing PNG file generation for compatibility issues
- 1.4 Create test suite for PNG format validation
2. Create PNG Validation Utility
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2.1 Create
save_png_with_validation()utility function - 2.2 Implement PNG validation using Pillow's Image.open()
- 2.3 Add error handling for corrupted or invalid image data
- 2.4 Implement graceful fallback to original byte writing
- 2.5 Add comprehensive logging for validation success/failure
3. Update HistoryManager.save_generation()
- 3.1 Modify generated image saving to use PNG validation
- 3.2 Update reference image saving with format validation
- 3.3 Maintain existing file paths and naming conventions
- 3.4 Add error handling for both generated and reference images
- 3.5 Ensure metadata saving remains unchanged
4. Update ImageGeneratorWindow.download_image()
- 4.1 Modify download functionality to use PNG validation
- 4.2 Maintain existing file dialog and save workflow
- 4.3 Add proper error handling and user feedback
- 4.4 Ensure file size calculation works with validated images
- 4.5 Preserve existing download user interface
5. Add Pillow Dependency Management
- 5.1 Add Pillow import with graceful handling
- 5.2 Create dependency check function
- 5.3 Add fallback mechanism when Pillow unavailable
- 5.4 Update requirements documentation
- 5.5 Test with and without Pillow library
6. Testing and Validation
- 6.1 Test PNG validation with various image formats
- 6.2 Test compatibility with Adobe Photoshop
- 6.3 Test with other professional image editing tools
- 6.4 Test fallback mechanism when Pillow unavailable
- 6.5 Test performance impact on generation workflow
7. Error Handling and Logging
- 7.1 Add comprehensive logging for PNG processing
- 7.2 Implement user-friendly error messages
- 7.3 Add debug information for troubleshooting
- 7.4 Test error scenarios and fallback behavior
- 7.5 Create error recovery procedures
8. Performance Optimization
- 8.1 Optimize PNG processing for minimal performance impact
- 8.2 Test memory usage during PNG validation
- 8.3 Implement efficient processing for batch operations
- 8.4 Monitor and optimize file size impact
- 8.5 Ensure UI responsiveness during processing
9. Documentation and Updates
- 9.1 Update user documentation with PNG format information
- 9.2 Add troubleshooting section for compatibility issues
- 9.3 Update technical documentation with implementation details
- 9.4 Document Pillow dependency requirements
- 9.5 Create upgrade notes for existing installations
10. Quality Assurance
- 10.1 Perform regression testing on all image functionality
- 10.2 Test with different image sources and formats
- 10.3 Validate history record functionality
- 10.4 Test download functionality across platforms
- 10.5 Ensure backward compatibility with existing files