memononen/nanovg
Nanovg
NanoVG is a hardware-accelerated 2D drawing engine and C graphics primitive library. It provides a lightweight renderer designed for high-quality antialiased vector graphics using an OpenGL backend.
The engine specializes in the construction and rendering of complex geometric paths. It supports the definition of precise shapes using lines, beziers, and arcs, with integrated winding rules to create hollow areas and composite shapes.
The library covers a broad range of vector graphics capabilities, including path composition and the rendering of antialiased shapes. These tools enable the development of custom user interface components and real-time data visualizations.
Features
- 2D Rendering Engines - Functions as a hardware-accelerated 2D rendering engine optimized for high-quality vector paths and precise geometry.
- Stencil-Based - Uses a stencil buffer to calculate precise fragment coverage for high-quality smooth edges on vector shapes.
- 2D Vector Graphics Libraries - Provides a high-performance C library for drawing antialiased shapes and paths in a 2D vector space.
- Composite Path Construction - Constructs complex vector shapes by combining linear segments and Bezier curves in a path buffer.
- Hardware-Accelerated Rendering - Offloads the composition of vector visual layers to the GPU for improved rendering performance.
- Vector Graphics Renderers - Provides a lean interface for the high-performance rendering of antialiased vector shapes and complex geometry.
- Tessellation Rasterizers - Converts complex paths and curves into small triangles for efficient hardware-accelerated rendering via OpenGL.
- Path Winding Rules - Determines shape interiors and exteriors using even-odd or non-zero winding rules to support holes.
- Real-Time Vector Rendering - Renders dynamic shapes and paths that change frame by frame while maintaining high-quality smooth edges.
- Vector Shape Construction - Allows the precise definition of complex 2D geometries using lines, bezier curves, arcs, and holes.
- Graphical Primitive Libraries - Offers a set of low-level C graphics primitives for composing complex shapes using lines and ellipses.
- Rendering Backends - Implements a specialized OpenGL backend to translate high-level drawing commands into GPU instructions.
- Vertex Buffer Caching - Stores pre-computed geometry in GPU memory to minimize data transfer between the CPU and graphics hardware.
- Visual Data Rendering - Renders clean, scalable vector graphics and complex geometry suitable for high-performance data visualizations.
- Custom UI Components - Provides the primitives necessary to create custom user interface elements with precise vector shapes.
- Graphics and Rendering - OpenGL-based 2D vector drawing library for UI.
- Graphics Libraries - OpenGL-based vector drawing library for UI and visualizations.
- Graphics Rendering - Antialiased 2D vector drawing for UI.
- Windows Environments - Listed in the “Windows Environments” section of the Awesome C awesome list.
Star history
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