mermaid-rendering Specification

Mon, 01 Jan 0001 00:00:00 +0000

Purpose

Provide hermetic SVG and raster diagram outputs that share their selected theme, font, and canvas geometry, with reproducible publication assets.

Requirements

Requirement: Raster diagram renders

The tool SHALL expose a rule that renders a Mermaid source to a raster image in a media type a service upload endpoint can accept, beginning with WebP. The raster render SHALL reuse the selected SVG render contract rather than defining a second appearance: the same theme, the same pinned browser and fonts, and the same post-processing policy as the SVG rule. Native rendering SHALL use the consumer’s palette and font and encode the selected light or dark SVG without post-processing; the default SHALL retain the historical theme and paint-order pass. Encoding MUST go through the pinned browser, so the rule introduces no image-conversion dependency. The render SHALL be a projection of the SVG render — the same maintained document, encoded to a raster — rather than a second layout. The render SHALL be hermetic — no host browser, host font, or network fetch — and deterministic for a given source, theme, and configuration.

Mermaid rendering on Alwaldend

mermaid-rendering Specification

Purpose

Requirements

Requirement: Raster diagram renders