Added #

• Initial release of Save Points Chart library
• 7 chart types: Line, Bar, Area, Pie, Donut, Radial, and Sparkline
• Full light/dark theme support with automatic adaptation
• Material 3 design principles
• Glassmorphism and Neumorphism effects
• Loading and error states for all charts
• Interactive point/bar/segment tapping
• Smooth animations for all chart types
• Performance optimizations (RepaintBoundary, efficient rendering)
• Comprehensive API documentation
• Main export file for easy imports
• Input validation and error handling
• Accessibility support (Semantics widgets)
• Comprehensive README with examples

Features #

• Line Chart: Multiple series, gradient fills, interactive points
• Bar Chart: Grouped/stacked bars, rounded corners, customizable spacing
• Area Chart: Filled areas with gradients, smooth curves
• Pie Chart: Percentage labels, legend support, animations
• Donut Chart: Center value display, modern design
• Radial Chart: Multi-dimensional data visualization
• Sparkline Chart: Compact inline trend visualization

Performance #

• Single-pass bounds calculation
• Isolated repaints with RepaintBoundary
• Cached calculations
• Batched canvas operations
• Optimized text rendering

Documentation #

• Complete API documentation with dartdoc
• Usage examples for all chart types
• Performance optimization guide
• Architecture documentation

[Unreleased] #

Planned #

• Unit and widget tests
• Internationalization (i18n) support
• CI/CD pipeline with GitHub Actions
• Additional chart types (Candlestick, Heatmap)
• Export functionality (PNG, SVG)
• Zoom and pan interactions
• Real-time data streaming support