import { InteractionBox, ResizeHandleId, SnapLine, SnapSibling } from 'pptx-viewer-shared';
/**
 * Pointer gesture driver for the editing overlay: move / resize / rotate.
 *
 * All geometry math comes from the shared `element-interaction` helpers
 * (`applyDragDelta`, `applyResize`, `computeRotation`, `snapAngle`) plus the
 * shared `computeSnapToShape` snap model during moves; this module only owns
 * the pointer-event lifecycle (dead-zone, window listeners, cancel). It is
 * framework-agnostic (no Svelte), matching the vanilla binding's driver.
 */
export type GestureKind = 'move' | 'resize' | 'rotate';
/** Live geometry emitted during and at the end of a gesture (element px). */
export interface GestureTransform {
    id: string;
    x: number;
    y: number;
    width: number;
    height: number;
    rotation: number;
}
export interface GestureDeps {
    /** Current stage scale (screen px per element px). */
    getScale(): number;
    /** Element geometry at gesture start (element px). */
    getElementBox(id: string): InteractionBox | undefined;
    /** Sibling boxes on the same slide, for snap-to-shape during a move. */
    getSiblings(): SnapSibling[];
    getSnapToGrid?(): boolean;
    getSnapToShape?(): boolean;
    getGridSize?(): number;
    getGuides?(): readonly {
        axis: 'h' | 'v';
        position: number;
    }[];
    /** Overlay origin in client coordinates, for rotation pointer mapping. */
    getStageOrigin(): {
        left: number;
        top: number;
    };
    /** First movement past the dead zone (push history, mark interaction). */
    onStart(id: string, kind: GestureKind): void;
    /** Live preview: apply the geometry and render `lines` as snap guides. */
    onPreview(transform: GestureTransform, lines: readonly SnapLine[]): void;
    /** Gesture finished. `moved` is false for a plain tap (no dead-zone exit). */
    onEnd(transform: GestureTransform | null, moved: boolean, id: string): void;
}
export interface GestureController {
    /** Begin a gesture from a `pointerdown`. `handle` only for `resize`. */
    begin(kind: GestureKind, id: string, event: PointerEvent, handle?: ResizeHandleId): void;
    isActive(): boolean;
    /** Abort listeners without emitting an end transform (teardown). */
    dispose(): void;
}
export declare function createGestureController(deps: GestureDeps): GestureController;
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