/**
 * Viewer context — single argument passed to every plugin's `mount` /
 * `subscribe` call.
 *
 * The context is intentionally narrow: viewer state only (page,
 * zoom, pan, viewport, selection) plus the `services` surface for
 * data sources. No host- or domain-shaped types live here — those
 * belong in plugin packs.
 *
 * Plugins that need richer data subscribe to it via the relevant
 * service (`services.annotations`, `services.pageImages`, etc.).
 *
 * @public
 */
import type { ViewerServices } from "./services";
/**
 * Read-only viewport state.
 *
 * @public
 */
export interface ViewerViewport {
    /** Width in CSS pixels. */
    readonly width: number;
    /** Height in CSS pixels. */
    readonly height: number;
}
/**
 * Read-only document metadata. Anything host- or domain-specific
 * (job id, brand spec, finding catalog, audit verdict) is exposed
 * via services or plugin payloads, not here.
 *
 * @public
 */
export interface ViewerDocumentMetadata {
    /** Total page count. */
    readonly pageCount: number;
    /** Per-page width/height in PDF points. */
    readonly pageDimensions: ReadonlyArray<{
        width: number;
        height: number;
    }>;
}
/**
 * Single argument bundle passed to plugins.
 *
 * @public
 */
export interface ViewerContext {
    /** 1-indexed current page. */
    readonly page: number;
    /** Zoom factor: 1.0 = 100%. */
    readonly zoom: number;
    /** Pan offset in CSS pixels (relative to viewport top-left). */
    readonly pan: {
        readonly x: number;
        readonly y: number;
    };
    /** Current viewport size. */
    readonly viewport: ViewerViewport;
    /**
     * Bounding box (in PDF points) of the user's current selection,
     * or `null` if nothing is selected.
     */
    readonly selectionBbox: readonly [number, number, number, number] | null;
    /** Document metadata. */
    readonly document: ViewerDocumentMetadata;
    /** Host-supplied data-source services. */
    readonly services: ViewerServices;
}
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