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@nmmty/lazycanvas

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A simple way to interact with @napi-rs/canvas in an advanced way!

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import { BaseLayer, IBaseLayer, IBaseLayerMisc, IBaseLayerProps } from "./BaseLayer"; import { ColorType, ScaleType, Point, LayerType } from "../../types"; import { Canvas, SKRSContext2D, SvgCanvas } from "@napi-rs/canvas"; import { LayersManager } from "../managers/LayersManager"; /** * Interface representing a Quadratic Layer. */ export interface IQuadraticLayer extends IBaseLayer { /** * The type of the layer, which is `QuadraticCurve`. */ type: LayerType.QuadraticCurve; /** * The properties specific to the Quadratic Layer. */ props: IQuadraticLayerProps; } /** * Interface representing the properties of a Quadratic Layer. */ export interface IQuadraticLayerProps extends IBaseLayerProps { /** * The control point of the quadratic curve, including x and y coordinates. */ controlPoints: Array<Point>; /** * The end point of the quadratic curve, including x and y coordinates. */ endPoint: Point; /** * The stroke properties of the quadratic curve. */ stroke: { /** * The width of the stroke. */ width: number; /** * The cap style of the stroke. */ cap: CanvasLineCap; /** * The join style of the stroke. */ join: CanvasLineJoin; /** * The dash offset of the stroke. */ dashOffset: number; /** * The dash pattern of the stroke. */ dash: number[]; /** * The miter limit of the stroke. */ miterLimit: number; }; } /** * Class representing a Quadratic Layer, extending the BaseLayer class. */ export declare class QuadraticLayer extends BaseLayer<IQuadraticLayerProps> { /** * The properties of the Quadratic Layer. */ props: IQuadraticLayerProps; /** * Constructs a new QuadraticLayer instance. * @param props {IQuadraticLayerProps} - The properties of the Quadratic Layer. * @param misc {IBaseLayerMisc} - Miscellaneous options for the layer. */ constructor(props?: IQuadraticLayerProps, misc?: IBaseLayerMisc); /** * Sets the control point of the quadratic layer. * @param x {ScaleType} - The x-coordinate of the control point. * @param y {ScaleType} - The y-coordinate of the control point. * @returns {this} The current instance for chaining. */ setControlPoint(x: ScaleType, y: ScaleType): this; /** * Sets the end point of the quadratic layer. * @param x {ScaleType} - The x-coordinate of the end point. * @param y {ScaleType} - The y-coordinate of the end point. * @returns {this} The current instance for chaining. */ setEndPosition(x: ScaleType, y: ScaleType): this; /** * Sets the color of the layer. * @param color {ColorType} - The color of the layer. * @returns {this} The current instance for chaining. * @throws {LazyError} If the color is not provided or invalid. */ setColor(color: ColorType): this; /** * Sets the stroke properties of the layer. * @param width {number} - The width of the stroke. * @param cap {CanvasLineCap} - The cap style of the stroke. * @param join {CanvasLineJoin} - The join style of the stroke. * @param dash {number[]} - The dash pattern of the stroke. * @param dashOffset {number} - The dash offset of the stroke. * @param miterLimit {number} - The miter limit of the stroke. * @returns {this} The current instance for chaining. */ setStroke(width: number, cap?: CanvasLineCap, join?: CanvasLineJoin, dash?: number[], dashOffset?: number, miterLimit?: number): this; /** * Calculates the bounding box of the quadratic curve. * @param ctx {SKRSContext2D} - The canvas rendering context. * @param canvas {Canvas | SvgCanvas} - The canvas instance. * @param manager {LayersManager} - The layers manager. * @returns {Object} The bounding box details including max, min, center, width, and height. */ getBoundingBox(ctx: SKRSContext2D, canvas: Canvas | SvgCanvas, manager: LayersManager): { max: { x: number; y: number; }; min: { x: number; y: number; }; center: { x: number; y: number; }; width: number; height: number; }; /** * Draws the quadratic curve on the canvas. * @param ctx {SKRSContext2D} - The canvas rendering context. * @param canvas {Canvas | SvgCanvas} - The canvas instance. * @param manager {LayersManager} - The layers manager. * @param debug {boolean} - Whether to enable debug logging. */ draw(ctx: SKRSContext2D, canvas: Canvas | SvgCanvas, manager: LayersManager, debug: boolean): Promise<void>; /** * Converts the Quadratic Layer to a JSON representation. * @returns {IQuadraticLayer} The JSON representation of the Quadratic Layer. */ toJSON(): IQuadraticLayer; }