import type { ShaderMap } from './CoreShaderManager.js';
import type { ExtractProps, TextureOptions } from './CoreTextureManager.js';
import type { CoreRenderer } from './renderers/CoreRenderer.js';
import type { CoreShader } from './renderers/CoreShader.js';
import type { Stage } from './Stage.js';
import type { Texture } from './textures/Texture.js';
import type { Dimensions } from '../common/CommonTypes.js';
import { EventEmitter } from '../common/EventEmitter.js';
import { type Bound, type RectWithValid } from './lib/utils.js';
import { Matrix3d } from './lib/Matrix3d.js';
import { RenderCoords } from './lib/RenderCoords.js';
import type { AnimationSettings } from './animations/CoreAnimation.js';
import type { IAnimationController } from '../common/IAnimationController.js';
import type { ShaderRef } from '../main-api/Renderer.js';
export declare enum LngNodeRenderState {
    Init = 0,
    OutOfBounds = 2,
    InBounds = 4,
    InViewport = 8
}
export declare enum UpdateType {
    /**
     * Child updates
     */
    Children = 1,
    /**
     * Scale/Rotate transform update
     *
     * @remarks
     * LngNode Properties Updated:
     * - `scaleRotateTransform`
     */
    ScaleRotate = 2,
    /**
     * Translate transform update (x/y/width/height/pivot/mount)
     *
     * @remarks
     * LngNode Properties Updated:
     * - `localTransform`
     */
    Local = 4,
    /**
     * Global Transform update
     *
     * @remarks
     * LngNode Properties Updated:
     * - `globalTransform`
     * - `renderCoords`
     * - `renderBound`
     */
    Global = 8,
    /**
     * Clipping rect update
     *
     * @remarks
     * LngNode Properties Updated:
     * - `clippingRect`
     */
    Clipping = 16,
    /**
     * Calculated ZIndex update
     *
     * @remarks
     * LngNode Properties Updated:
     * - `calcZIndex`
     */
    CalculatedZIndex = 32,
    /**
     * Z-Index Sorted Children update
     *
     * @remarks
     * LngNode Properties Updated:
     * - `children` (sorts children by their `calcZIndex`)
     */
    ZIndexSortedChildren = 64,
    /**
     * Premultiplied Colors update
     *
     * @remarks
     * LngNode Properties Updated:
     * - `premultipliedColorTl`
     * - `premultipliedColorTr`
     * - `premultipliedColorBl`
     * - `premultipliedColorBr`
     */
    PremultipliedColors = 128,
    /**
     * World Alpha update
     *
     * @remarks
     * LngNode Properties Updated:
     * - `worldAlpha` = `parent.worldAlpha` * `alpha`
     */
    WorldAlpha = 256,
    /**
     * Render State update
     *
     * @remarks
     * LngNode Properties Updated:
     * - `renderState`
     */
    RenderState = 512,
    /**
     * Is Renderable update
     *
     * @remarks
     * LngNode Properties Updated:
     * - `isRenderable`
     */
    IsRenderable = 1024,
    /**
     * Render Texture update
     */
    RenderTexture = 2048,
    /**
     * Track if parent has render texture
     */
    ParentRenderTexture = 4096,
    /**
     * None
     */
    None = 0,
    /**
     * All
     */
    All = 8191
}
/**
 * A custom data map which can be stored on an LngNode
 *
 * @remarks
 * This is a map of key-value pairs that can be stored on an INode. It is used
 * to store custom data that can be used by the application.
 * The data stored can only be of type string, number or boolean.
 */
export type CustomDataMap = {
    [key: string]: string | number | boolean | undefined;
};
/**
 * Writable properties of a Node.
 */
export interface LngNodeWritableProps {
    /**
     * The x coordinate of the Node's Mount Point.
     *
     * @remarks
     * See {@link mountX} and {@link mountY} for more information about setting
     * the Mount Point.
     *
     * @default `0`
     */
    x: number;
    /**
     * The y coordinate of the Node's Mount Point.
     *
     * @remarks
     * See {@link mountX} and {@link mountY} for more information about setting
     * the Mount Point.
     *
     * @default `0`
     */
    y: number;
    /**
     * The width of the Node.
     *
     * @default `0`
     */
    width: number;
    /**
     * The height of the Node.
     *
     * @default `0`
     */
    height: number;
    /**
     * The alpha opacity of the Node.
     *
     * @remarks
     * The alpha value is a number between 0 and 1, where 0 is fully transparent
     * and 1 is fully opaque.
     *
     * @default `1`
     */
    alpha: number;
    /**
     * Autosize mode
     *
     * @remarks
     * When enabled, when a texture is loaded into the Node, the Node will
     * automatically resize to the dimensions of the texture.
     *
     * Text Nodes are always autosized based on their text content regardless
     * of this mode setting.
     *
     * @default `false`
     */
    autosize: boolean;
    /**
     * Clipping Mode
     *
     * @remarks
     * Enable Clipping Mode when you want to prevent the drawing of a Node and
     * its descendants from overflowing outside of the Node's x/y/width/height
     * bounds.
     *
     * For WebGL, clipping is implemented using the high-performance WebGL
     * operation scissor. As a consequence, clipping does not work for
     * non-rectangular areas. So, if the element is rotated
     * (by itself or by any of its ancestors), clipping will not work as intended.
     *
     * TODO: Add support for non-rectangular clipping either automatically or
     * via Render-To-Texture.
     *
     * @default `false`
     */
    clipping: boolean;
    /**
     * The color of the Node.
     *
     * @remarks
     * The color value is a number in the format 0xRRGGBBAA, where RR is the red
     * component, GG is the green component, BB is the blue component, and AA is
     * the alpha component.
     *
     * Gradient colors may be set by setting the different color sub-properties:
     * {@link colorTop}, {@link colorBottom}, {@link colorLeft}, {@link colorRight},
     * {@link colorTl}, {@link colorTr}, {@link colorBr}, {@link colorBl} accordingly.
     *
     * @default `0xffffffff` (opaque white)
     */
    color: number;
    /**
     * The color of the top edge of the Node for gradient rendering.
     *
     * @remarks
     * See {@link color} for more information about color values and gradient
     * rendering.
     */
    colorTop: number;
    /**
     * The color of the bottom edge of the Node for gradient rendering.
     *
     * @remarks
     * See {@link color} for more information about color values and gradient
     * rendering.
     */
    colorBottom: number;
    /**
     * The color of the left edge of the Node for gradient rendering.
     *
     * @remarks
     * See {@link color} for more information about color values and gradient
     * rendering.
     */
    colorLeft: number;
    /**
     * The color of the right edge of the Node for gradient rendering.
     *
     * @remarks
     * See {@link color} for more information about color values and gradient
     * rendering.
     */
    colorRight: number;
    /**
     * The color of the top-left corner of the Node for gradient rendering.
     *
     * @remarks
     * See {@link color} for more information about color values and gradient
     * rendering.
     */
    colorTl: number;
    /**
     * The color of the top-right corner of the Node for gradient rendering.
     *
     * @remarks
     * See {@link color} for more information about color values and gradient
     * rendering.
     */
    colorTr: number;
    /**
     * The color of the bottom-right corner of the Node for gradient rendering.
     *
     * @remarks
     * See {@link color} for more information about color values and gradient
     * rendering.
     */
    colorBr: number;
    /**
     * The color of the bottom-left corner of the Node for gradient rendering.
     *
     * @remarks
     * See {@link color} for more information about color values and gradient
     * rendering.
     */
    colorBl: number;
    /**
     * The Node's parent Node.
     *
     * @remarks
     * The value `null` indicates that the Node has no parent. This may either be
     * because the Node is the root Node of the scene graph, or because the Node
     * has been removed from the scene graph.
     *
     * In order to make sure that a Node can be rendered on the screen, it must
     * be added to the scene graph by setting it's parent property to a Node that
     * is already in the scene graph such as the root Node.
     *
     * @default `null`
     */
    parent: LngNode | null;
    /**
     * The Node's z-index.
     *
     * @remarks
     * TBD
     */
    zIndex: number;
    /**
     * The Node's Texture.
     *
     * @remarks
     * The `texture` defines a rasterized image that is contained within the
     * {@link width} and {@link height} dimensions of the Node. If null, the
     * Node will use an opaque white {@link ColorTexture} when being drawn, which
     * essentially enables colors (including gradients) to be drawn.
     *
     * If set, by default, the texture will be drawn, as is, stretched to the
     * dimensions of the Node. This behavior can be modified by setting the TBD
     * and TBD properties.
     *
     * To create a Texture in order to set it on this property, call
     * {@link RendererMain.createTexture}.
     *
     * If the {@link src} is set on a Node, the Node will use the
     * {@link ImageTexture} by default and the Node will simply load the image at
     * the specified URL.
     *
     * Note: If this is a Text Node, the Texture will be managed by the Node's
     * {@link TextRenderer} and should not be set explicitly.
     */
    texture: Texture | null;
    /**
     * Options to associate with the Node's Texture
     */
    textureOptions: TextureOptions;
    /**
     * The Node's shader
     *
     * @remarks
     * The `shader` defines a {@link Shader} used to draw the Node. By default,
     * the Default Shader is used which simply draws the defined {@link texture}
     * or {@link color}(s) within the Node without any special effects.
     *
     * To create a Shader in order to set it on this property, call
     * {@link RendererMain.createShader}.
     *
     * Note: If this is a Text Node, the Shader will be managed by the Node's
     * {@link TextRenderer} and should not be set explicitly.
     */
    shader: ShaderRef | null;
    /**
     * Shader properties
     */
    shaderProps: Record<string, unknown> | null;
    /**
     * Image URL
     *
     * @remarks
     * When set, the Node's {@link texture} is automatically set to an
     * {@link ImageTexture} using the source image URL provided (with all other
     * settings being defaults)
     */
    src: string | null;
    zIndexLocked: number;
    /**
     * Scale to render the Node at
     *
     * @remarks
     * The scale value multiplies the provided {@link width} and {@link height}
     * of the Node around the Node's Pivot Point (defined by the {@link pivot}
     * props).
     *
     * Behind the scenes, setting this property sets both the {@link scaleX} and
     * {@link scaleY} props to the same value.
     *
     * NOTE: When the scaleX and scaleY props are explicitly set to different values,
     * this property returns `null`. Setting `null` on this property will have no
     * effect.
     *
     * @default 1.0
     */
    scale: number | null;
    /**
     * Scale to render the Node at (X-Axis)
     *
     * @remarks
     * The scaleX value multiplies the provided {@link width} of the Node around
     * the Node's Pivot Point (defined by the {@link pivot} props).
     *
     * @default 1.0
     */
    scaleX: number;
    /**
     * Scale to render the Node at (Y-Axis)
     *
     * @remarks
     * The scaleY value multiplies the provided {@link height} of the Node around
     * the Node's Pivot Point (defined by the {@link pivot} props).
     *
     * @default 1.0
     */
    scaleY: number;
    /**
     * Combined position of the Node's Mount Point
     *
     * @remarks
     * The value can be any number between `0.0` and `1.0`:
     * - `0.0` defines the Mount Point at the top-left corner of the Node.
     * - `0.5` defines it at the center of the Node.
     * - `1.0` defines it at the bottom-right corner of the node.
     *
     * Use the {@link mountX} and {@link mountY} props seperately for more control
     * of the Mount Point.
     *
     * When assigned, the same value is also passed to both the {@link mountX} and
     * {@link mountY} props.
     *
     * @default 0 (top-left)
     */
    mount: number;
    /**
     * X position of the Node's Mount Point
     *
     * @remarks
     * The value can be any number between `0.0` and `1.0`:
     * - `0.0` defines the Mount Point's X position as the left-most edge of the
     *   Node
     * - `0.5` defines it as the horizontal center of the Node
     * - `1.0` defines it as the right-most edge of the Node.
     *
     * The combination of {@link mountX} and {@link mountY} define the Mount Point
     *
     * @default 0 (left-most edge)
     */
    mountX: number;
    /**
     * Y position of the Node's Mount Point
     *
     * @remarks
     * The value can be any number between `0.0` and `1.0`:
     * - `0.0` defines the Mount Point's Y position as the top-most edge of the
     *   Node
     * - `0.5` defines it as the vertical center of the Node
     * - `1.0` defines it as the bottom-most edge of the Node.
     *
     * The combination of {@link mountX} and {@link mountY} define the Mount Point
     *
     * @default 0 (top-most edge)
     */
    mountY: number;
    /**
     * Combined position of the Node's Pivot Point
     *
     * @remarks
     * The value can be any number between `0.0` and `1.0`:
     * - `0.0` defines the Pivot Point at the top-left corner of the Node.
     * - `0.5` defines it at the center of the Node.
     * - `1.0` defines it at the bottom-right corner of the node.
     *
     * Use the {@link pivotX} and {@link pivotY} props seperately for more control
     * of the Pivot Point.
     *
     * When assigned, the same value is also passed to both the {@link pivotX} and
     * {@link pivotY} props.
     *
     * @default 0.5 (center)
     */
    pivot: number;
    /**
     * X position of the Node's Pivot Point
     *
     * @remarks
     * The value can be any number between `0.0` and `1.0`:
     * - `0.0` defines the Pivot Point's X position as the left-most edge of the
     *   Node
     * - `0.5` defines it as the horizontal center of the Node
     * - `1.0` defines it as the right-most edge of the Node.
     *
     * The combination of {@link pivotX} and {@link pivotY} define the Pivot Point
     *
     * @default 0.5 (centered on x-axis)
     */
    pivotX: number;
    /**
     * Y position of the Node's Pivot Point
     *
     * @remarks
     * The value can be any number between `0.0` and `1.0`:
     * - `0.0` defines the Pivot Point's Y position as the top-most edge of the
     *   Node
     * - `0.5` defines it as the vertical center of the Node
     * - `1.0` defines it as the bottom-most edge of the Node.
     *
     * The combination of {@link pivotX} and {@link pivotY} define the Pivot Point
     *
     * @default 0.5 (centered on y-axis)
     */
    pivotY: number;
    /**
     * Rotation of the Node (in Radians)
     *
     * @remarks
     * Sets the amount to rotate the Node by around it's Pivot Point (defined by
     * the {@link pivot} props). Positive values rotate the Node clockwise, while
     * negative values rotate it counter-clockwise.
     *
     * Example values:
     * - `-Math.PI / 2`: 90 degree rotation counter-clockwise
     * - `0`: No rotation
     * - `Math.PI / 2`: 90 degree rotation clockwise
     * - `Math.PI`: 180 degree rotation clockwise
     * - `3 * Math.PI / 2`: 270 degree rotation clockwise
     * - `2 * Math.PI`: 360 rotation clockwise
     */
    rotation: number;
    /**
     * Whether the Node is rendered to a texture
     *
     * @remarks
     * TBD
     *
     * @default false
     */
    rtt: boolean;
    /**
     * Node data element for custom data storage (optional)
     *
     * @remarks
     * This property is used to store custom data on the Node as a key/value data store.
     * Data values are limited to string, numbers, booleans. Strings will be truncated
     * to a 2048 character limit for performance reasons.
     *
     * This is not a data storage mechanism for large amounts of data please use a
     * dedicated data storage mechanism for that.
     *
     * The custom data will be reflected in the inspector as part of `data-*` attributes
     *
     * @default `undefined`
     */
    data?: CustomDataMap;
}
/**
 * Animatable properties of a Node
 */
export type LngNodeAnimatableProps = {
    [Key in keyof LngNodeWritableProps as NonNullable<LngNodeWritableProps[Key]> extends number ? Key : never]: number;
};
/**
 * A visual Node in the Renderer scene graph.
 *
 * @remarks
 * A Node is a basic building block of the Renderer scene graph. It can be a
 * container for other Nodes, or it can be a leaf Node that renders a solid
 * color, gradient, image, or specific texture, using a specific shader.
 *
 * For text rendering, see {@link TextNode}.
 *
 * This is named `LngNode` because the browser already defines a `Node` class.
 */
export declare class LngNode extends EventEmitter {
    protected stage: Stage;
    readonly children: LngNode[];
    protected _id: number;
    protected props: Required<LngNodeWritableProps>;
    updateType: UpdateType;
    globalTransform?: Matrix3d;
    scaleRotateTransform?: Matrix3d;
    localTransform?: Matrix3d;
    renderCoords?: RenderCoords;
    renderBound?: Bound;
    strictBound?: Bound;
    preloadBound?: Bound;
    clippingRect: RectWithValid;
    isRenderable: boolean;
    renderState: LngNodeRenderState;
    worldAlpha: number;
    premultipliedColorTl: number;
    premultipliedColorTr: number;
    premultipliedColorBl: number;
    premultipliedColorBr: number;
    calcZIndex: number;
    hasRTTupdates: boolean;
    parentHasRenderTexture: boolean;
    _shader: CoreShader | null;
    _src: string;
    constructor(stage: Stage, props: LngNodeWritableProps);
    loadTexture(): void;
    unloadTexture(): void;
    autosizeNode(dimensions: Dimensions): void;
    private onTextureLoaded;
    private onTextureFailed;
    private onTextureFreed;
    loadShader<Type extends keyof ShaderMap>(shaderType: Type, props: ExtractProps<ShaderMap[Type]>): void;
    /**
     * Change types types is used to determine the scope of the changes being applied
     *
     * @remarks
     * See {@link UpdateType} for more information on each type
     *
     * @param type
     */
    setUpdateType(type: UpdateType): void;
    sortChildren(): void;
    updateScaleRotateTransform(): void;
    updateLocalTransform(): void;
    /**
     * @todo: test for correct calculation flag
     * @param delta
     */
    update(delta: number, parentClippingRect: RectWithValid): void;
    checkRenderProps(): boolean;
    checkRenderBounds(parentClippingRect: RectWithValid): LngNodeRenderState;
    updateRenderState(parentClippingRect: RectWithValid): void;
    setRenderState(state: LngNodeRenderState): void;
    /**
     * This function updates the `isRenderable` property based on certain conditions.
     *
     * @returns
     */
    updateIsRenderable(): void;
    onChangeIsRenderable(isRenderable: boolean): void;
    calculateRenderCoords(): void;
    updateBoundingRect(): void;
    /**
     * This function calculates the clipping rectangle for a node.
     *
     * The function then checks if the node is rotated. If the node requires clipping and is not rotated, a new clipping rectangle is created based on the node's global transform and dimensions.
     * If a parent clipping rectangle exists, it is intersected with the node's clipping rectangle (if it exists), or replaces the node's clipping rectangle.
     *
     * Finally, the node's parentClippingRect and clippingRect properties are updated.
     */
    calculateClippingRect(parentClippingRect: RectWithValid): void;
    calculateZIndex(): void;
    /**
     * Destroy the node and cleanup all resources
     */
    destroy(): void;
    renderQuads(renderer: CoreRenderer): void;
    get id(): number;
    get x(): number;
    set x(value: number);
    get absX(): number;
    get absY(): number;
    get y(): number;
    set y(value: number);
    get width(): number;
    set width(value: number);
    get height(): number;
    set height(value: number);
    get scale(): number;
    set scale(value: number);
    get scaleX(): number;
    set scaleX(value: number);
    get scaleY(): number;
    set scaleY(value: number);
    get mount(): number;
    set mount(value: number);
    get mountX(): number;
    set mountX(value: number);
    get mountY(): number;
    set mountY(value: number);
    get pivot(): number;
    set pivot(value: number);
    get pivotX(): number;
    set pivotX(value: number);
    get pivotY(): number;
    set pivotY(value: number);
    get rotation(): number;
    set rotation(value: number);
    get alpha(): number;
    set alpha(value: number);
    get autosize(): boolean;
    set autosize(value: boolean);
    get clipping(): boolean;
    set clipping(value: boolean);
    get color(): number;
    set color(value: number);
    get colorTop(): number;
    set colorTop(value: number);
    get colorBottom(): number;
    set colorBottom(value: number);
    get colorLeft(): number;
    set colorLeft(value: number);
    get colorRight(): number;
    set colorRight(value: number);
    get colorTl(): number;
    set colorTl(value: number);
    get colorTr(): number;
    set colorTr(value: number);
    get colorBl(): number;
    set colorBl(value: number);
    get colorBr(): number;
    set colorBr(value: number);
    get zIndexLocked(): number;
    set zIndexLocked(value: number);
    get zIndex(): number;
    set zIndex(value: number);
    get parent(): LngNode | null;
    set parent(newParent: LngNode | null);
    get rtt(): boolean;
    set rtt(value: boolean);
    get shader(): ShaderRef | null;
    set shader(value: ShaderRef | null);
    get shaderProps(): Record<string, unknown> | null;
    set shaderProps(value: Record<string, unknown> | null);
    get src(): string;
    set src(imageUrl: string);
    /**
     * Returns the framebuffer dimensions of the node.
     * If the node has a render texture, the dimensions are the same as the node's dimensions.
     * If the node does not have a render texture, the dimensions are inherited from the parent.
     * If the node parent has a render texture and the node is a render texture, the nodes dimensions are used.
     */
    get framebufferDimensions(): Dimensions;
    /**
     * Returns the parent render texture node if it exists.
     */
    get parentRenderTexture(): LngNode | null;
    get texture(): Texture | null;
    set texture(value: Texture | null);
    set textureOptions(value: TextureOptions);
    get textureOptions(): TextureOptions;
    setRTTUpdates(type: number): void;
    animate(props: Partial<LngNodeAnimatableProps>, settings: Partial<AnimationSettings>): IAnimationController;
    flush(): void;
}