Learn DELPHI-FMX with Real Code Examples
Updated Nov 27, 2025
Architecture
FMX framework sits atop OS graphics APIs (Direct2D, Metal, OpenGL/ES)
Uses a scene graph for UI rendering
Components are vector-based and hardware-accelerated
Styles engine allows uniform appearance across platforms
Supports both 2D and 3D rendering pipelines
Rendering Model
Scene graph-based rendering
Vector graphics with GPU acceleration
Supports 2D and 3D layers
StyleBook defines component look
Hardware abstraction for multi-platform consistency
Architectural Patterns
Event-driven programming
MVVM support via LiveBindings
Component-based design
Observer pattern for UI updates
Scene graph for rendering pipeline
Real World Architectures
Cross-platform business dashboard
Mobile inventory management app
Interactive 3D visualization tool
Point-of-sale system for Windows/iOS
Data acquisition and visualization software
Design Principles
Cross-platform native execution
GPU-accelerated vector graphics
Component-based RAD development
Unified event model for desktop/mobile
Flexible styling and theming system
Scalability Guide
Use lightweight controls for large forms
Optimize LiveBindings and dataset queries
Minimize custom drawing calls
Cache 3D resources
Profile app performance on mobile devices
Migration Guide
Port VCL Windows apps to FMX for cross-platform
Replace GDI controls with FMX counterparts
Update event handlers for FMX model
Adjust for touch/multi-DPI support
Refactor style and resource management