Class Viewport

constructor

• new Viewport(
      window: Window,
      fontSize: number,
      pixelRatio: number,
      opt_root?: HTMLElement,
      opt_width?: number,
      opt_height?: number,
  ): Viewport

  Parameters

  • window: Window
  • fontSize: number
  • pixelRatio: number
  • Optionalopt_root: HTMLElement
  • Optionalopt_width: number
  • Optionalopt_height: number

  Returns Viewport

contentContainer

document

ReadonlyfontSize

height

layoutBox

layoutUnitAdj

layoutUnitPerPixel

ReadonlypixelRatio

root

scaleRatio

width

Readonlywindow

clear

• clear(): void

  Remove all pages inside the viewport.

  Returns void

resetZoom

• resetZoom(): void

  Reset zoom.

  Returns void

zoom

• zoom(width: number, height: number, scale: number): void

  Zoom viewport.

  Parameters

  • width: number

    Overall width of contents before scaling (px)

  • height: number

    Overall height of contents before scaling (px)

  • scale: number

    Factor to which the viewport will be scaled.

  Returns void