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    Class Extract

    This class provides renderer-specific plugins for exporting content from a renderer. For instance, these plugins can be used for saving an Image, Canvas element or for exporting the raw image data (pixels).

    Do not instantiate these plugins directly. It is available from the renderer.extract property.

    import { Application, Graphics } from 'pixi.js';

    // Create a new application (extract will be auto-added to renderer)
    const app = new Application();

    // Draw a red circle
    const graphics = new Graphics()
        .beginFill(0xFF0000)
        .drawCircle(0, 0, 50);

    // Render the graphics as an HTMLImageElement
    const image = await app.renderer.extract.image(graphics);
    document.body.appendChild(image);

    PIXI

    Implements

    Index
    constructor
    base64 canvas contextChange destroy image pixels

    • Parameters

      • renderer: Renderer

        A reference to the current renderer

      Returns Extract

    • Will return a base64 encoded string of this target. It works by calling Extract.canvas and then running toDataURL on that.

      Parameters

      • Optionaltarget: DisplayObject | RenderTexture

        A displayObject or renderTexture to convert. If left empty will use the main renderer

      • Optionalformat: string

        Image format, e.g. "image/jpeg" or "image/webp".

      • Optionalquality: number

        JPEG or Webp compression from 0 to 1. Default is 0.92.

      • Optionalframe: Rectangle

        The frame the extraction is restricted to.

      Returns Promise<string>

      • A base64 encoded string of the texture.

    • Creates a Canvas element, renders this target to it and then returns it.

      Parameters

      • Optionaltarget: DisplayObject | RenderTexture

        A displayObject or renderTexture to convert. If left empty will use the main renderer

      • Optionalframe: Rectangle

        The frame the extraction is restricted to.

      Returns ICanvas

      • A Canvas element with the texture rendered on.

    • Returns void

    • Destroys the extract.

      Returns void

    • Will return a HTML Image of the target

      Parameters

      • Optionaltarget: DisplayObject | RenderTexture

        A displayObject or renderTexture to convert. If left empty will use the main renderer

      • Optionalformat: string

        Image format, e.g. "image/jpeg" or "image/webp".

      • Optionalquality: number

        JPEG or Webp compression from 0 to 1. Default is 0.92.

      • Optionalframe: Rectangle

        The frame the extraction is restricted to.

      Returns Promise<HTMLImageElement>

      • HTML Image of the target

    • Will return a one-dimensional array containing the pixel data of the entire texture in RGBA order, with integer values between 0 and 255 (included).

      Parameters

      • Optionaltarget: DisplayObject | RenderTexture

        A displayObject or renderTexture to convert. If left empty will use the main renderer

      • Optionalframe: Rectangle

        The frame the extraction is restricted to.

      Returns Uint8Array

      • One-dimensional array containing the pixel data of the entire texture

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