import { IGraphicElement } from '../types';
import { AABB } from './geometry';
export interface ViewportTransform {
    contentX: number;
    contentY: number;
    zoom: number;
}
export interface Rect2D {
    x: number;
    y: number;
    width: number;
    height: number;
}
export interface OBB {
    centerX: number;
    centerY: number;
    width: number;
    height: number;
    rotation: number;
    corners: Array<{
        x: number;
        y: number;
    }>;
}
export declare function normalizeDeg(deg: number): number;
export declare function formatRotationLabel(deg: number): string;
export declare function contentToViewport(x: number, y: number, vp: ViewportTransform): {
    x: number;
    y: number;
};
export declare function viewportToContent(x: number, y: number, vp: ViewportTransform): {
    x: number;
    y: number;
};
export declare function getElementOBB(input: {
    x: number;
    y: number;
    width: number;
    height: number;
    rotation: number;
    scaleX?: number;
    scaleY?: number;
}): OBB;
export declare function getElementOBBFromSource(element: IGraphicElement, _node: {
    x: () => number;
    y: () => number;
    rotation: () => number;
    scaleX: () => number;
    scaleY: () => number;
} | null | undefined): OBB;
export declare function obbToViewport(obb: OBB, vp: ViewportTransform): OBB;
export declare function getSelectionUnionRect(items: Array<{
    x: number;
    y: number;
    width: number;
    height: number;
    rotation: number;
    scaleX?: number;
    scaleY?: number;
}>): Rect2D | null;
export declare function aabbToRect(aabb: AABB): Rect2D;
export declare function rectToViewport(rect: Rect2D, vp: ViewportTransform): Rect2D;