BimCT SDK / WebGL2 Viewer
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    Class BaseBimCanvasAbstract

    Abstract base class for BIM canvas, providing core functionalities and event handling.

    Hierarchy (View Summary)

    Index

    Constructors

    constructor

    Accessors

    gpuInfo options renderer onCanvasRecreate wrapperBounds wrapperWidth wrapperHeight canvasWidth canvasHeight canvasElement customCursor markupsElement legendElement overlay clipping markups legend pins viewerElement windowsElement docWindowForWindows rendererElement containerElement

    Methods

    showBasicNotification hideBasicNotification isDockedNotificationVisible setDockedNotificationText showDockedNotification hideDockedNotification showCloseButton updateCloseButton isCloseButtonVisible destroy setExternalMouseMoveCallback setExternalMouseUpCallback setResizeEventCallBack setCloseEventCallback setCursorOverride clearCursorOverride setCursor getCursor recreateCanvas resize pushRendererImageToCanvas clearRendererImageFromCanvas takeSnapshot takeSnapshotAndGetExternalURL cropSnapshot takeTopCamera2DSnapshot setSplashScreenVisible setGameLegendVisible

    Constructors

    • Creates an instance of BaseBimCanvas.

      Parameters

      • divElement: HTMLDivElement

        The HTML div element to attach the canvas to.

      • Optionaloptions: BaseBimCanvasOptions

        Optional configuration options for the canvas.

      Returns BaseBimCanvas

    Accessors

    • get gpuInfo(): GPUInfo

      Gets the GPU information.

      Returns GPUInfo

    • get renderer(): BaseRenderer

      Gets the renderer.

      Returns BaseRenderer

    • set renderer(renderer: BaseRenderer): void

      Sets the renderer.

      Parameters

      Returns void

    • get onCanvasRecreate(): ISignal

      Gets the canvas recreate event dispatcher.

      Returns ISignal

    • get wrapperBounds(): DOMRect

      Gets the bounding rectangle of the wrapper element.

      Returns DOMRect

    • get wrapperWidth(): number

      Gets the width of the wrapper element.

      Returns number

    • get wrapperHeight(): number

      Gets the height of the wrapper element. WARN: Not accurate on zooming windows.

      Returns number

    • get canvasWidth(): number

      Gets the width of the canvas element.

      Returns number

    • get canvasHeight(): number

      Gets the height of the canvas element.

      Returns number

    • get canvasElement(): HTMLCanvasElement

      Gets the canvas element.

      Returns HTMLCanvasElement

    • set customCursor(cursorURL: string): void

      Sets a custom cursor for the canvas.

      Parameters

      • cursorURL: string

        The URL of the custom cursor image.

      Returns void

    • get markupsElement(): HTMLDivElement

      Gets the markups div element.

      Returns HTMLDivElement

    • get legendElement(): HTMLDivElement

      Gets the legend div element.

      Returns HTMLDivElement

    • get markups(): Markups

      Gets the markups instance.

      Returns Markups

    • get legend(): Legend

      Gets the legend instance.

      Returns Legend

    • get pins(): Pins

      Gets the pins instance.

      Returns Pins

    • get viewerElement(): HTMLDivElement

      Gets the viewer div element.

      Returns HTMLDivElement

    • get windowsElement(): HTMLDivElement

      Gets the viewer div element.

      Returns HTMLDivElement

    • set windowsElement(element: HTMLDivElement): void

      Parameters

      • element: HTMLDivElement

      Returns void

    • get docWindowForWindows(): Window

      Gets the document window.

      Returns Window

    • set docWindowForWindows(window: Window): void

      Sets the document window.

      Parameters

      • window: Window

      Returns void

    • get rendererElement(): HTMLDivElement

      Gets the viewer div element.

      Returns HTMLDivElement

    • get containerElement(): HTMLDivElement

      Gets the container div element (supplied in initialization time).

      Returns HTMLDivElement

    Methods

    • Parameters

      • text: string
      • type: NotificationType
      • OptionalcloseCallback: () => void

      Returns void

    • Returns void

    • Returns boolean

    • Parameters

      • text: string

      Returns void

    • Parameters

      • text: string
      • type: NotificationType
      • OptionalcloseCallback: (result?: "yes" | "no") => void

      Returns void

    • Hides the docked notification element and removes its classes.

      Returns void

    • Controls the visibility of the close button and optionally sets a callback for the button's click event.

      Parameters

      • show: boolean

        A boolean indicating whether to show or hide the close button.

      • OptionalcloseButtonCallback: () => void

        An optional callback function to be executed when the close button is clicked.

      • OptionalbuttonTextI18n: string

        An optional text to be displayed on the close button.

      Returns void

    • Updates the close button with the given parameters.

      Parameters

      • disabled: boolean
      • OptionalbuttonTextI18n: string

      Returns void

    • Checks if the close button is visible.

      Returns boolean

      True if the close button is visible, false otherwise.

    • Destroys the canvas and performs cleanup.

      Returns Promise<void>

    • Sets the external mouse move callback.

      Parameters

      • owner: any

        The owner of the callback.

      • externalMouseMoveCallback: (event: MouseEvent) => Promise<void>

        The callback function.

      Returns void

    • Sets the external mouse up callback.

      Parameters

      • owner: any

        The owner of the callback.

      • externalMouseUpCallback: (event: MouseEvent) => void

        The callback function.

      Returns void

    • Sets the resize event callback.

      Parameters

      • owner: any

        The owner of the callback.

      • OptionalresizeEventCallback: (event: ResizeBimEvent) => void

        The callback function.

      Returns void

    • Sets the close event callback.

      Parameters

      • owner: any

        The owner of the callback.

      • OptionalcloseEventCallback: (event: BimEvent) => void

        The callback function.

      Returns void

    • Sets a custom cursor override for a specific class name.

      Parameters

      • className: string

        The class name of the element to override the cursor for (cursor-pan, cursor-rotate, cursor-crosshair, cursor-move, cursor-ne-resize, cursor-nw-resize, cursor-se-resize, cursor-sw-resize, cursor-pointer).

      • url: string

      Returns void

    • Deletes a custom cursor override for a specific class name and resets the cursor to default.

      Parameters

      • className: string

        The class name of the element to delete override the cursor for (cursor-pan, cursor-rotate, cursor-crosshair, cursor-move, cursor-ne-resize, cursor-nw-resize, cursor-se-resize, cursor-sw-resize, cursor-pointer).

      Returns void

    • Recreates the canvas.

      Returns void

    • Resizes the canvas.

      Returns Promise<void>

    • Returns Promise<void>

    • Returns void

    • Takes a snapshot image and maintains aspect ratio.

      Parameters

      • OptionalrequestedWidth: number

        The requested width of the snapshot.

      • OptionalrequestedHeight: number

        The requested height of the snapshot.

      Returns Promise<string>

      A URI that contains the image to download or use.

    • Parameters

      • OptionalrequestedWidth: number
      • OptionalrequestedHeight: number

      Returns Promise<string>

    • Crops a snapshot of the canvas at a specific location with given dimensions. If drawOverlays is true, it includes html overlays in the output.

      Parameters

      • x: number

        The x-coordinate of the top-left corner of the crop area.

      • y: number

        The y-coordinate of the top-left corner of the crop area.

      • width: number

        The width of the crop area.

      • height: number

        The height of the crop area.

      • drawOverlays: boolean = false

        Whether to include overlays in the snapshot.

      • OptionaltransparentBackgroundColor: RGB

      Returns Promise<string>

      A promise that resolves to a URI containing the cropped image.

    • Takes a snapshot of the top view of the canvas.

      Parameters

      • OptionalbBox: BoundingBox3D

        The bounding box to capture.

      • OptionaltransparentBackgroundColor: boolean

      Returns Promise<{ base64: string; width: number; height: number }>

    • Sets the visibility of the splash screen.

      Parameters

      • visible: boolean

        Whether the splash screen should be visible.

      • OptionalgifImagePath: string

        The path to the GIF image for the splash screen.

      Returns void

    • Sets the visibility of the game legend.

      Parameters

      • visible: boolean

        Whether the game legend should be visible.

      Returns void

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