import { Polygons } from "../../polygons.js";
import { Stroke } from "../../stroke.js";
import { FontInterface, StrokeDrawer } from "../index.js";
import { KShotai } from "../shotai.js";
interface MinchoAdjustedStroke {
    readonly stroke: Stroke;
    /** Value computed by {@link Mincho.adjustKirikuchi} if a1 = 2 and a2 = 32 and x1 > x2 and y1 < y2; otherwise equals to a2_opt_1 */
    kirikuchiAdjustment: number;
    /** Value computed by {@link Mincho.adjustTate} if a1 in {1,3,7} and x1 = x2; otherwise equals to a2_opt_2 + a2_opt_3 * 10 */
    tateAdjustment: number;
    /** Value computed by {@link Mincho.adjustHane} if a1 in {1,2,6} and a3 = 4; otherwise equals to a3_opt_1 */
    haneAdjustment: number;
    /** Value computed by {@link Mincho.adjustUroko} or {@link Mincho.adjustUroko2} if a1 = 1 and a3 = 0; otherwise equals to a3_opt */
    urokoAdjustment: number;
    /** Value computed by {@link Mincho.adjustKakato} if a1 = 1 and a3 in {13,23}; otherwise equals to a3_opt */
    kakatoAdjustment: number;
    /** Value computed by {@link Mincho.adjustMage} if a1 = 3 and y2 = y3; otherwise equals to a3_opt_2 */
    mageAdjustment: number;
}
/** @internal */
export declare function dfTransform(polygons: Polygons, x1: number, y1: number, x2: number, y2: number, a2_100: number, a3_100: number, a2_opt: number, a3_opt: number): void;
/** Mincho-style font (明朝体). */
declare class Mincho implements FontInterface {
    readonly shotai: KShotai;
    /**
     * Precision for polygon approximation of curving strokes.
     * It must be a positive divisor of 1000. A smaller `kRate` will result in
     * smoother curves approximated with a larger number of points (roughly
     * 2 × 1000 / `kRate` per curve stroke).
     */
    kRate: number;
    /** Half of the width of mincho-style horizontal (thinner) strokes. */
    kMinWidthY: number;
    /** Determines the size of ウロコ at the 開放 end of mincho-style horizontal strokes. */
    kMinWidthU: number;
    /** Half of the width of mincho-style vertical (thicker) strokes. */
    kMinWidthT: number;
    /**
     * Half of the width of gothic-style strokes.
     * Also used to determine the size of mincho's ornamental elements.
     */
    kWidth: number;
    /** Size of カカト in gothic. */
    kKakato: number;
    /** Width at the end of 右払い relative to `2 * kMinWidthT`. */
    kL2RDfatten: number;
    /** Size of the curve at the end of 左ハネ, and at the middle of 折れ and 乙線 strokes. */
    kMage: number;
    /**
     * Whether to use off-curve points to approximate curving strokes
     * with quadratic Bézier curves (experimental).
     */
    kUseCurve: boolean;
    /** Length of 左下カド's カカト in mincho for each shortening level (0 to 3) and 413 (左下zh用新). */
    kAdjustKakatoL: number[];
    /** Length of 右下カド's カカト in mincho for each shortening level (0 to 3). */
    kAdjustKakatoR: number[];
    /** Width of the collision box below カカト for shortening adjustment. */
    kAdjustKakatoRangeX: number;
    /** Height of the collision box below カカト for each shortening adjustment level (0 to 3). */
    kAdjustKakatoRangeY: number[];
    /** Number of カカト shortening levels. Must be set to 3. */
    kAdjustKakatoStep: number;
    /** Size of ウロコ at the 開放 end of mincho-style horizontal strokes for each shrinking level (0 to max({@link kAdjustUrokoLengthStep}, {@link kAdjustUroko2Step})). */
    kAdjustUrokoX: number[];
    /** Size of ウロコ at the 開放 end of mincho-style horizontal strokes for each shrinking level (0 to max({@link kAdjustUrokoLengthStep}, {@link kAdjustUroko2Step})). */
    kAdjustUrokoY: number[];
    /** Threshold length of horizontal strokes for shrinking its ウロコ for each adjustment level ({@link kAdjustUrokoLengthStep} to 1). */
    kAdjustUrokoLength: number[];
    /** Number of ウロコ shrinking levels by adjustment using collision detection. */
    kAdjustUrokoLengthStep: number;
    /** Size of the collision box to the left of ウロコ at the 開放 end of mincho-style horizontal strokes for each shrinking adjustment level ({@link kAdjustUrokoLengthStep} to 1). */
    kAdjustUrokoLine: number[];
    /** Number of ウロコ shrinking levels by adjustment based on the density of horizontal strokes. */
    kAdjustUroko2Step: number;
    /** Parameter for shrinking adjustment of ウロコ based on the density of horizontal strokes. */
    kAdjustUroko2Length: number;
    /** Parameter for thinning adjustment of mincho-style vertical strokes. */
    kAdjustTateStep: number;
    /** Parameter for thinning adjustment of the latter half of mincho-style 折れ strokes. */
    kAdjustMageStep: number;
    constructor();
    setSize(size?: number): void;
    /** @internal */
    getDrawers(strokesArray: Stroke[]): StrokeDrawer[];
    /** @internal */
    adjustStrokes(strokesArray: Stroke[]): MinchoAdjustedStroke[];
    protected adjustHane(adjStrokes: MinchoAdjustedStroke[]): MinchoAdjustedStroke[];
    protected adjustMage(adjStrokes: MinchoAdjustedStroke[]): MinchoAdjustedStroke[];
    protected adjustTate(adjStrokes: MinchoAdjustedStroke[]): MinchoAdjustedStroke[];
    protected adjustKakato(adjStrokes: MinchoAdjustedStroke[]): MinchoAdjustedStroke[];
    protected adjustUroko(adjStrokes: MinchoAdjustedStroke[]): MinchoAdjustedStroke[];
    protected adjustUroko2(adjStrokes: MinchoAdjustedStroke[]): MinchoAdjustedStroke[];
    protected adjustKirikuchi(adjStrokes: MinchoAdjustedStroke[]): MinchoAdjustedStroke[];
}
export default Mincho;