import type { ImageClipDataRange } from '../types/slides';
export declare const PPTX_PX_PER_INCH = 96;
export declare const PPTX_POINTS_PER_INCH = 72;
export declare const PPTX_PX_PER_POINT: number;
export declare const getPPTXImportScale: (sourceWidth: number, targetViewportSize?: number) => number;
/**
 * Convert editor-px crop range (percentages) into PptxGenJS image crop sizing (inches).
 * `pxPerInch` defaults to 96; pass the export `ratioPx2Inch` when the deck viewport is scaled.
 */
export declare const getPPTXImageCrop: (width: number, height: number, range: ImageClipDataRange, pxPerInch?: number) => {
    imageWidth: number;
    imageHeight: number;
    sizing: {
        x: number;
        y: number;
        w: number;
        h: number;
    };
};