A declarative 2D vector graphics library for OCaml with renderers for PDF, SVG, Cairo, and HTML canvas.
Vg is a declarative 2D vector graphics library for OCaml that models images as functions mapping points on the Cartesian plane to colors. It provides combinators to define and compose these images, enabling the creation of complex graphics through functional composition. The library includes renderers for multiple output formats like PDF, SVG, Cairo, and HTML canvas.
OCaml developers needing to generate 2D vector graphics for applications such as document generation, data visualization, or interactive web graphics.
Developers choose Vg for its purely declarative and functional approach to graphics, which integrates seamlessly with OCaml's type system and offers multiple backend renderers without locking into a specific output format.
Declarative 2D vector graphics for OCaml
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Includes out-of-the-box renderers for PDF, SVG, Cairo, and HTML canvas, enabling flexible output from a single codebase as stated in the README.
Treats images as composable functions, allowing clean functional composition that integrates well with OCaml's type system for safer graphics programming.
Provides an API to implement new renderers for additional formats, ensuring future-proofing and customization beyond the built-in options.
Supports diverse targets like web, print, and desktop through its renderers, facilitating graphics generation across different environments without code changes.
Full installation requires multiple external libraries (e.g., Otfm, Brr, cairo2) beyond the core package, complicating setup and increasing maintenance overhead.
As an OCaml library, it has a smaller community and fewer resources compared to graphics libraries in more popular languages, limiting support and learning materials.
The declarative approach may introduce latency for highly interactive or animation-heavy applications, where imperative APIs are typically more efficient.