import { Color } from "@dt/core-ui";
import { PaintCommandName, PaintObjectParameters, PaintObjectPropertyName, PaintObjectType } from "../../../ImageViewer/Layers";
import { BasePaintObject } from "./BasePaintObject";
import { LineCapStyle } from "./ObjectTypes";
import { PointLocation } from "../../../ImageViewer/Models";
export declare abstract class LinePaintObjectBase<T extends PaintObjectType> extends BasePaintObject<T> {
    startCapStyle: LineCapStyle;
    endCapStyle: LineCapStyle;
    capSize: number;
    capColor: Color;
    constructor(type: T, name: PaintCommandName, startPosition: PointLocation, lineColor: Color, lineWidth: number, opacity: number);
    /**
     * Returns the additional padding (in pixels) required around the object
     * to ensure all visual elements, such as styled line caps, are fully visible.
     * This takes into account the cap size, line width, and the object's rotation.
     * Used to correctly size the design-time canvas when rendering this object.
     */
    get canvasPadding(): number;
    private updateBoundsFromPosition;
    private updatePositionFromBounds;
    /**
     * Draws the line and optionally styled caps on the destination canvas.
     */
    draw(destCtx: CanvasRenderingContext2D, mainCtx: CanvasRenderingContext2D, backCtx: CanvasRenderingContext2D, params?: PaintObjectParameters): Promise<void>;
    /**
     * Calculates how much to adjust the line endpoint based on cap style
     * to prevent the line from showing behind the cap.
     */
    private getCapAdjustment;
    /**
     * Draws a cap (arrow or dot) at the given position and direction.
     */
    private drawCap;
    /**
     * Updates object properties and internal state when modified.
     */
    setProperty<K extends PaintObjectPropertyName>(propertyName: K, value: any): boolean;
}