Added #

• Initial release of JSON Canvas Viewer package
• JsonCanvasViewer widget for rendering interactive JSON-based canvas layouts
• Full editor application with JsonEditorWidget and CanvasViewerWidget
• HomePage widget providing complete editor-viewer integration
• Support for multiple element types:
  • Rectangle with gradients, borders, and rounded corners
  • Text with Google Fonts, rich text spans, and advanced styling
  • Images with filters, blur effects, and various fit modes
  • Circles with customizable borders
  • Icons from Material Design icon set
  • Gradients (linear and radial)
  • Lines with customizable thickness
• Interactive features:
  • Drag and drop elements with visual feedback
  • Resize elements with corner handles
  • Real-time JSON synchronization between editor and canvas
  • Debounced JSON validation
• Advanced rendering features:
  • Automatic scaling based on design dimensions
  • Z-index support for element layering
  • Rotation support for all element types
  • Opacity control
  • Centering and alignment options
• Comprehensive theming with EditorTheme and AppColors
• Platform support: Web, iOS, Android
• Extensive documentation in /docs directory

Features #

• JSON-based declarative canvas system
• Real-time visual editor with syntax highlighting
• Responsive and scalable layouts
• Google Fonts integration
• Image filters (Paris, Vintage, Classic)
• Touch-friendly drag interactions
• Type-safe color parsing
• Flexible positioning system (absolute, center, custom)