/**
 * The drawn parts of an exercise (#1227, #1228): writing areas, and the
 * grids of word searches, crosswords and operations in columns. Each is a
 * frameless box whose design draws it — paths for the rules, texts for the
 * letters — so every output paints it as it paints any box design, a
 * right-to-left page mirrors it, and the layout places and keeps it whole.
 * Lengths are given in points.
 */
import type { CalloutStyleConfig, ColorValue, DesignElement, DesignPathElement, DesignTextElement } from '../types.js';
/** A frameless box drawn by `elements`, `heightPt` tall. */
export declare function drawnBox(id: string, elements: DesignElement[], heightPt: number, marginTopPt?: number, marginBottomPt?: number): CalloutStyleConfig;
/** A path element over `[0, w] × [0, h]` points, from the box's top left. */
export declare function pathElement(id: string, d: string, wPt: number, hPt: number, stroke: ColorValue, widthPt: number, extra?: Partial<DesignPathElement>): DesignPathElement;
/** A text element: `content` set in a box `wPt` × `hPt` at (`xPt`, `yPt`). */
export declare function textElement(id: string, content: string, xPt: number, yPt: number, wPt: number, hPt: number, sizePt: number, extra?: Partial<DesignTextElement>): DesignTextElement;
export type AreaKind = 'lines' | 'dots' | 'grid' | 'seyes' | 'tianzige' | 'box' | 'none';
export interface AreaSpec {
    kind: AreaKind;
    lines: number;
    /** Distance between two lines (the side of a grid's square), points. */
    spacingPt: number;
    /** The room the area may take across, points. */
    widthPt: number;
    color: ColorValue;
    weightPt: number;
    /** Answers written on the lines (a teacher's edition), one a line, in
     *  `answerColor`. */
    answers?: string[];
    answerColor?: ColorValue;
    answerSizePt?: number;
    answerFont?: string;
    /** Squares (`grid`, `tianzige`) in groups of so many cells, side by side
     *  a square apart and wrapping at the measure (`cells="2 2 3"`, #1244):
     *  a word's squares each, `lines` rows tall. One number sizes the area to
     *  that many cells. Absent: the whole measure. */
    cells?: number[];
}
/** The elements and height of a writing area. */
export declare function areaElements(a: AreaSpec): {
    elements: DesignElement[];
    heightPt: number;
};
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