Celestograph Placeholder
Generative placeholder image art painted on canvas by the Celestograph engine: chemical pools and fronts seeded from any string. Square, circle, wide, portrait and banner shapes, sized to its box.
pnpm dlx shadcn add @01orbital/celestograph-placeholderThe source comes with full access.
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Usage
import { PLATE_PALETTES } from "@/components/celestograph/celestograph-engine"
import { CelestographPlaceholder } from "@/components/celestograph/celestograph-placeholder"
export default function CelestographPlaceholderDemo() {
return (
// Each tile fills its column and keeps its own ratio: stretched across,
// never down to the tallest neighbor. One plate palette per tile.
<div className="grid w-full max-w-2xl grid-cols-[1.6fr_1fr_1fr] place-items-center items-start justify-items-stretch gap-4 p-6">
<CelestographPlaceholder
shape="wide"
from="wide"
palette={PLATE_PALETTES.warmth}
/>
<CelestographPlaceholder
shape="portrait"
from="portrait"
palette={PLATE_PALETTES.tarn}
/>
<CelestographPlaceholder
shape="circle"
from="circle"
palette={PLATE_PALETTES.delft}
/>
</div>
)
}API reference
Placeholder imagery painted on a canvas from a string, for image slots that have no picture yet. Not a gray box and not a stock photo: the same from always paints the same plate, on every machine, with nothing stored.
The box keeps the aspect ratio of its shape and shows bg-muted until the plate paints. Inside a Media, PersonPortrait or BentoCellMedia frame its corners are square, since the frame rounds them. Hidden from assistive tech by default; children render above the canvas.
Prop
Type
It also accepts the HTML attributes of the element it renders.
Dependencies
npm: cn. The CLI installs them for you.
No other registry pieces.