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    OffscreenCanvas

    Last updated: 2024-11-21 18:41:53
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      Function Description: Offscreen canvas instances can be created through wx.createOffscreenCanvas.

      Attribute

      Attributes
      Types
      Note
      width
      number
      Canvas Width
      height
      number
      Canvas Height

      Method Set

      createImage

      The method is utilized as Image OffscreenCanvas.createImage()
      Function Description: This creates an image object. It is compatible with both 2D Canvas and WebGL Canvas, however, it does not support the mixed use of 2D and WebGL methods.
      Return Value: Image. Please note that the mixed use of image objects created by WebGL and 2D canvas is not permitted. When using, it is advisable to create image objects using the canvas's own createImage.

      getContext

      The method is utilized as RenderingContext OffscreenCanvas.getContext(string contextType)
      Function Description: This method returns the drawing context of the OffscreenCanvas.
      Parameters and Description: string contextType, the type of drawing context, which needs to be consistent with the type passed in when creating OffscreenCanvas.
      Value
      Note
      webgl
      WebGL type context
      2d
      2D type
      
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