import EventEmitter from 'eventemitter3'; import { type ColorSource } from '../../../color/Color'; import { Matrix } from '../../../maths/matrix/Matrix'; import { Texture } from '../../../rendering/renderers/shared/texture/Texture'; import { Bounds } from '../../container/bounds/Bounds'; import { GraphicsPath } from './path/GraphicsPath'; import type { PointData } from '../../../maths/point/PointData'; import type { Shader } from '../../../rendering/renderers/shared/shader/Shader'; import type { TextureDestroyOptions, TypeOrBool } from '../../container/destroyTypes'; import type { ConvertedFillStyle, ConvertedStrokeStyle, FillInput, StrokeInput } from './FillTypes'; import type { RoundedPoint } from './path/roundShape'; export type BatchMode = 'auto' | 'batch' | 'no-batch'; export interface FillInstruction { action: 'fill' | 'cut'; data: { style: ConvertedFillStyle; path: GraphicsPath; hole?: GraphicsPath; }; } export interface StrokeInstruction { action: 'stroke'; data: { style: ConvertedStrokeStyle; path: GraphicsPath; hole?: GraphicsPath; }; } export interface TextureInstruction { action: 'texture'; data: { image: Texture; dx: number; dy: number; dw: number; dh: number; transform: Matrix; alpha: number; style: number; }; } export type GraphicsInstructions = FillInstruction | StrokeInstruction | TextureInstruction; /** * The GraphicsContext class allows for the creation of lightweight objects that contain instructions for drawing shapes and paths. * It is used internally by the Graphics class to draw shapes and paths, and can be used directly and shared between Graphics objects, * * This sharing of a `GraphicsContext` means that the intensive task of converting graphics instructions into GPU-ready geometry is done once, and the results are reused, * much like sprites reusing textures. * @memberof scene */ export declare class GraphicsContext extends EventEmitter<{ update: GraphicsContext; destroy: GraphicsContext; }> { /** The default fill style to use when none is provided. */ static defaultFillStyle: ConvertedFillStyle; /** The default stroke style to use when none is provided. */ static defaultStrokeStyle: ConvertedStrokeStyle; /** unique id for this graphics context */ readonly uid: number; dirty: boolean; batchMode: BatchMode; instructions: GraphicsInstructions[]; customShader?: Shader; private _activePath; private _transform; private _fillStyle; private _strokeStyle; private _stateStack; private _tick; private _bounds; private _boundsDirty; /** * Creates a new GraphicsContext object that is a clone of this instance, copying all properties, * including the current drawing state, transformations, styles, and instructions. * @returns A new GraphicsContext instance with the same properties and state as this one. */ clone(): GraphicsContext; /** * The current fill style of the graphics context. This can be a color, gradient, pattern, or a more complex style defined by a FillStyle object. */ get fillStyle(): ConvertedFillStyle; set fillStyle(value: FillInput); /** * The current stroke style of the graphics context. Similar to fill styles, stroke styles can encompass colors, gradients, patterns, or more detailed configurations via a StrokeStyle object. */ get strokeStyle(): ConvertedStrokeStyle; set strokeStyle(value: FillInput); /** * Sets the current fill style of the graphics context. The fill style can be a color, gradient, * pattern, or a more complex style defined by a FillStyle object. * @param style - The fill style to apply. This can be a simple color, a gradient or pattern object, * or a FillStyle or ConvertedFillStyle object. * @returns The instance of the current GraphicsContext for method chaining. */ setFillStyle(style: FillInput): this; /** * Sets the current stroke style of the graphics context. Similar to fill styles, stroke styles can * encompass colors, gradients, patterns, or more detailed configurations via a StrokeStyle object. * @param style - The stroke style to apply. Can be defined as a color, a gradient or pattern, * or a StrokeStyle or ConvertedStrokeStyle object. * @returns The instance of the current GraphicsContext for method chaining. */ setStrokeStyle(style: StrokeInput): this; /** * Adds a texture to the graphics context. This method supports multiple overloads for specifying the texture, tint, and dimensions. * If only a texture is provided, it uses the texture's width and height for drawing. Additional parameters allow for specifying * a tint color, and custom dimensions for the texture drawing area. * @param texture - The Texture object to use. * @param tint - (Optional) A ColorSource to tint the texture. If not provided, defaults to white (0xFFFFFF). * @param dx - (Optional) The x-coordinate in the destination canvas at which to place the top-left corner of the source image. * @param dy - (Optional) The y-coordinate in the destination canvas at which to place the top-left corner of the source image. * @param dw - (Optional) The width of the rectangle within the source image to draw onto the destination canvas. If not provided, uses the texture's frame width. * @param dh - (Optional) The height of the rectangle within the source image to draw onto the destination canvas. If not provided, uses the texture's frame height. * @returns The instance of the current GraphicsContext for method chaining. */ texture(texture: Texture): this; texture(texture: Texture, tint: ColorSource): this; texture(texture: Texture, tint: ColorSource, dx: number, dy: number): this; texture(texture: Texture, tint: ColorSource, dx: number, dy: number, dw: number, dh: number): this; /** * Resets the current path. Any previous path and its commands are discarded and a new path is * started. This is typically called before beginning a new shape or series of drawing commands. * @returns The instance of the current GraphicsContext for method chaining. */ beginPath(): this; /** * Fills the current or given path with the current fill style. This method can optionally take * a color and alpha for a simple fill, or a more complex FillInput object for advanced fills. * @param style - (Optional) The style to fill the path with. Can be a color, gradient, pattern, or a complex style object. If omitted, uses the current fill style. * @returns The instance of the current GraphicsContext for method chaining. */ fill(style?: FillInput): this; /** @deprecated 8.0.0 */ fill(color: ColorSource, alpha: number): this; private _initNextPathLocation; /** * Strokes the current path with the current stroke style. This method can take an optional * FillInput parameter to define the stroke's appearance, including its color, width, and other properties. * @param style - (Optional) The stroke style to apply. Can be defined as a simple color or a more complex style object. If omitted, uses the current stroke style. * @returns The instance of the current GraphicsContext for method chaining. */ stroke(style?: StrokeInput): this; /** * Applies a cutout to the last drawn shape. This is used to create holes or complex shapes by * subtracting a path from the previously drawn path. If a hole is not completely in a shape, it will * fail to cut correctly! * @returns The instance of the current GraphicsContext for method chaining. */ cut(): this; /** * Adds an arc to the current path, which is centered at (x, y) with the specified radius, * starting and ending angles, and direction. * @param x - The x-coordinate of the arc's center. * @param y - The y-coordinate of the arc's center. * @param radius - The arc's radius. * @param startAngle - The starting angle, in radians. * @param endAngle - The ending angle, in radians. * @param counterclockwise - (Optional) Specifies whether the arc is drawn counterclockwise (true) or clockwise (false). Defaults to false. * @returns The instance of the current GraphicsContext for method chaining. */ arc(x: number, y: number, radius: number, startAngle: number, endAngle: number, counterclockwise?: boolean): this; /** * Adds an arc to the current path with the given control points and radius, connected to the previous point * by a straight line if necessary. * @param x1 - The x-coordinate of the first control point. * @param y1 - The y-coordinate of the first control point. * @param x2 - The x-coordinate of the second control point. * @param y2 - The y-coordinate of the second control point. * @param radius - The arc's radius. * @returns The instance of the current GraphicsContext for method chaining. */ arcTo(x1: number, y1: number, x2: number, y2: number, radius: number): this; /** * Adds an SVG-style arc to the path, allowing for elliptical arcs based on the SVG spec. * @param rx - The x-radius of the ellipse. * @param ry - The y-radius of the ellipse. * @param xAxisRotation - The rotation of the ellipse's x-axis relative * to the x-axis of the coordinate system, in degrees. * @param largeArcFlag - Determines if the arc should be greater than or less than 180 degrees. * @param sweepFlag - Determines if the arc should be swept in a positive angle direction. * @param x - The x-coordinate of the arc's end point. * @param y - The y-coordinate of the arc's end point. * @returns The instance of the current object for chaining. */ arcToSvg(rx: number, ry: number, xAxisRotation: number, largeArcFlag: number, sweepFlag: number, x: number, y: number): this; /** * Adds a cubic Bezier curve to the path. * It requires three points: the first two are control points and the third one is the end point. * The starting point is the last point in the current path. * @param cp1x - The x-coordinate of the first control point. * @param cp1y - The y-coordinate of the first control point. * @param cp2x - The x-coordinate of the second control point. * @param cp2y - The y-coordinate of the second control point. * @param x - The x-coordinate of the end point. * @param y - The y-coordinate of the end point. * @param smoothness - Optional parameter to adjust the smoothness of the curve. * @returns The instance of the current object for chaining. */ bezierCurveTo(cp1x: number, cp1y: number, cp2x: number, cp2y: number, x: number, y: number, smoothness?: number): this; /** * Closes the current path by drawing a straight line back to the start. * If the shape is already closed or there are no points in the path, this method does nothing. * @returns The instance of the current object for chaining. */ closePath(): this; /** * Draws an ellipse at the specified location and with the given x and y radii. * An optional transformation can be applied, allowing for rotation, scaling, and translation. * @param x - The x-coordinate of the center of the ellipse. * @param y - The y-coordinate of the center of the ellipse. * @param radiusX - The horizontal radius of the ellipse. * @param radiusY - The vertical radius of the ellipse. * @returns The instance of the current object for chaining. */ ellipse(x: number, y: number, radiusX: number, radiusY: number): this; /** * Draws a circle shape. This method adds a new circle path to the current drawing. * @param x - The x-coordinate of the center of the circle. * @param y - The y-coordinate of the center of the circle. * @param radius - The radius of the circle. * @returns The instance of the current object for chaining. */ circle(x: number, y: number, radius: number): this; /** * Adds another `GraphicsPath` to this path, optionally applying a transformation. * @param path - The `GraphicsPath` to add. * @returns The instance of the current object for chaining. */ path(path: GraphicsPath): this; /** * Connects the current point to a new point with a straight line. This method updates the current path. * @param x - The x-coordinate of the new point to connect to. * @param y - The y-coordinate of the new point to connect to. * @returns The instance of the current object for chaining. */ lineTo(x: number, y: number): this; /** * Sets the starting point for a new sub-path. Any subsequent drawing commands are considered part of this path. * @param x - The x-coordinate for the starting point. * @param y - The y-coordinate for the starting point. * @returns The instance of the current object for chaining. */ moveTo(x: number, y: number): this; /** * Adds a quadratic curve to the path. It requires two points: the control point and the end point. * The starting point is the last point in the current path. * @param cpx - The x-coordinate of the control point. * @param cpy - The y-coordinate of the control point. * @param x - The x-coordinate of the end point. * @param y - The y-coordinate of the end point. * @param smoothness - Optional parameter to adjust the smoothness of the curve. * @returns The instance of the current object for chaining. */ quadraticCurveTo(cpx: number, cpy: number, x: number, y: number, smoothness?: number): this; /** * Draws a rectangle shape. This method adds a new rectangle path to the current drawing. * @param x - The x-coordinate of the top-left corner of the rectangle. * @param y - The y-coordinate of the top-left corner of the rectangle. * @param w - The width of the rectangle. * @param h - The height of the rectangle. * @returns The instance of the current object for chaining. */ rect(x: number, y: number, w: number, h: number): this; /** * Draws a rectangle with rounded corners. * The corner radius can be specified to determine how rounded the corners should be. * An optional transformation can be applied, which allows for rotation, scaling, and translation of the rectangle. * @param x - The x-coordinate of the top-left corner of the rectangle. * @param y - The y-coordinate of the top-left corner of the rectangle. * @param w - The width of the rectangle. * @param h - The height of the rectangle. * @param radius - The radius of the rectangle's corners. If not specified, corners will be sharp. * @returns The instance of the current object for chaining. */ roundRect(x: number, y: number, w: number, h: number, radius?: number): this; /** * Draws a polygon shape by specifying a sequence of points. This method allows for the creation of complex polygons, * which can be both open and closed. An optional transformation can be applied, enabling the polygon to be scaled, * rotated, or translated as needed. * @param points - An array of numbers, or an array of PointData objects eg [{x,y}, {x,y}, {x,y}] * representing the x and y coordinates, of the polygon's vertices, in sequence. * @param close - A boolean indicating whether to close the polygon path. True by default. */ poly(points: number[] | PointData[], close?: boolean): this; /** * Draws a regular polygon with a specified number of sides. All sides and angles are equal. * @param x - The x-coordinate of the center of the polygon. * @param y - The y-coordinate of the center of the polygon. * @param radius - The radius of the circumscribed circle of the polygon. * @param sides - The number of sides of the polygon. Must be 3 or more. * @param rotation - The rotation angle of the polygon, in radians. Zero by default. * @param transform - An optional `Matrix` object to apply a transformation to the polygon. * @returns The instance of the current object for chaining. */ regularPoly(x: number, y: number, radius: number, sides: number, rotation?: number, transform?: Matrix): this; /** * Draws a polygon with rounded corners. * Similar to `regularPoly` but with the ability to round the corners of the polygon. * @param x - The x-coordinate of the center of the polygon. * @param y - The y-coordinate of the center of the polygon. * @param radius - The radius of the circumscribed circle of the polygon. * @param sides - The number of sides of the polygon. Must be 3 or more. * @param corner - The radius of the rounding of the corners. * @param rotation - The rotation angle of the polygon, in radians. Zero by default. * @returns The instance of the current object for chaining. */ roundPoly(x: number, y: number, radius: number, sides: number, corner: number, rotation?: number): this; /** * Draws a shape with rounded corners. This function supports custom radius for each corner of the shape. * Optionally, corners can be rounded using a quadratic curve instead of an arc, providing a different aesthetic. * @param points - An array of `RoundedPoint` representing the corners of the shape to draw. * A minimum of 3 points is required. * @param radius - The default radius for the corners. * This radius is applied to all corners unless overridden in `points`. * @param useQuadratic - If set to true, rounded corners are drawn using a quadraticCurve * method instead of an arc method. Defaults to false. * @param smoothness - Specifies the smoothness of the curve when `useQuadratic` is true. * Higher values make the curve smoother. * @returns The instance of the current object for chaining. */ roundShape(points: RoundedPoint[], radius: number, useQuadratic?: boolean, smoothness?: number): this; /** * Draw Rectangle with fillet corners. This is much like rounded rectangle * however it support negative numbers as well for the corner radius. * @param x - Upper left corner of rect * @param y - Upper right corner of rect * @param width - Width of rect * @param height - Height of rect * @param fillet - accept negative or positive values */ filletRect(x: number, y: number, width: number, height: number, fillet: number): this; /** * Draw Rectangle with chamfer corners. These are angled corners. * @param x - Upper left corner of rect * @param y - Upper right corner of rect * @param width - Width of rect * @param height - Height of rect * @param chamfer - non-zero real number, size of corner cutout * @param transform */ chamferRect(x: number, y: number, width: number, height: number, chamfer: number, transform?: Matrix): this; /** * Draws a star shape centered at a specified location. This method allows for the creation * of stars with a variable number of points, outer radius, optional inner radius, and rotation. * The star is drawn as a closed polygon with alternating outer and inner vertices to create the star's points. * An optional transformation can be applied to scale, rotate, or translate the star as needed. * @param x - The x-coordinate of the center of the star. * @param y - The y-coordinate of the center of the star. * @param points - The number of points of the star. * @param radius - The outer radius of the star (distance from the center to the outer points). * @param innerRadius - Optional. The inner radius of the star * (distance from the center to the inner points between the outer points). * If not provided, defaults to half of the `radius`. * @param rotation - Optional. The rotation of the star in radians, where 0 is aligned with the y-axis. * Defaults to 0, meaning one point is directly upward. * @returns The instance of the current object for chaining further drawing commands. */ star(x: number, y: number, points: number, radius: number, innerRadius?: number, rotation?: number): this; /** * Parses and renders an SVG string into the graphics context. This allows for complex shapes and paths * defined in SVG format to be drawn within the graphics context. * @param svg - The SVG string to be parsed and rendered. */ svg(svg: string): this; /** * Restores the most recently saved graphics state by popping the top of the graphics state stack. * This includes transformations, fill styles, and stroke styles. */ restore(): this; /** Saves the current graphics state, including transformations, fill styles, and stroke styles, onto a stack. */ save(): this; /** * Returns the current transformation matrix of the graphics context. * @returns The current transformation matrix. */ getTransform(): Matrix; /** * Resets the current transformation matrix to the identity matrix, effectively removing any transformations (rotation, scaling, translation) previously applied. * @returns The instance of the current GraphicsContext for method chaining. */ resetTransform(): this; /** * Applies a rotation transformation to the graphics context around the current origin. * @param angle - The angle of rotation in radians. * @returns The instance of the current GraphicsContext for method chaining. */ rotate(angle: number): this; /** * Applies a scaling transformation to the graphics context, scaling drawings by x horizontally and by y vertically. * @param x - The scale factor in the horizontal direction. * @param y - (Optional) The scale factor in the vertical direction. If not specified, the x value is used for both directions. * @returns The instance of the current GraphicsContext for method chaining. */ scale(x: number, y?: number): this; /** * Sets the current transformation matrix of the graphics context to the specified matrix or values. * This replaces the current transformation matrix. * @param a - The value for the a property of the matrix, or a Matrix object to use directly. * @param b - The value for the b property of the matrix. * @param c - The value for the c property of the matrix. * @param d - The value for the d property of the matrix. * @param dx - The value for the tx (translate x) property of the matrix. * @param dy - The value for the ty (translate y) property of the matrix. * @returns The instance of the current GraphicsContext for method chaining. */ setTransform(transform: Matrix): this; setTransform(a: number, b: number, c: number, d: number, dx: number, dy: number): this; /** * Applies the specified transformation matrix to the current graphics context by multiplying the current matrix with the specified matrix. * @param a - The value for the a property of the matrix, or a Matrix object to use directly. * @param b - The value for the b property of the matrix. * @param c - The value for the c property of the matrix. * @param d - The value for the d property of the matrix. * @param dx - The value for the tx (translate x) property of the matrix. * @param dy - The value for the ty (translate y) property of the matrix. * @returns The instance of the current GraphicsContext for method chaining. */ transform(transform: Matrix): this; transform(a: number, b: number, c: number, d: number, dx: number, dy: number): this; /** * Applies a translation transformation to the graphics context, moving the origin by the specified amounts. * @param x - The amount to translate in the horizontal direction. * @param y - (Optional) The amount to translate in the vertical direction. If not specified, the x value is used for both directions. * @returns The instance of the current GraphicsContext for method chaining. */ translate(x: number, y?: number): this; /** * Clears all drawing commands from the graphics context, effectively resetting it. This includes clearing the path, * and optionally resetting transformations to the identity matrix. * @returns The instance of the current GraphicsContext for method chaining. */ clear(): this; protected onUpdate(): void; /** The bounds of the graphic shape. */ get bounds(): Bounds; /** * Check to see if a point is contained within this geometry. * @param point - Point to check if it's contained. * @returns {boolean} `true` if the point is contained within geometry. */ containsPoint(point: PointData): boolean; /** * Destroys the GraphicsData object. * @param options - Options parameter. A boolean will act as if all options * have been set to that value * @param {boolean} [options.texture=false] - Should it destroy the current texture of the fill/stroke style? * @param {boolean} [options.textureSource=false] - Should it destroy the texture source of the fill/stroke style? */ destroy(options?: TypeOrBool): void; }