Classes for rendering the contents of views.


Name Description  
DecorateContext Provides context for a ViewportDecorator to add Decorations to be rendered within a Viewport.  
Decorations A set of RenderGraphics and CanvasDecorations produced by Tools and Decorators, used to decorate the contents of a Viewport.  
DynamicsContext Provides context for an InteractiveTool to display decorations representing its current state.  
EmphasizeElements An implementation of EmphasizeElements.FeatureOverrideProvider for emphasizing selected elements through simple color/transparency appearance overrides.  
GraphicBranch A node in a scene graph.  
GraphicBuilder Provides methods for constructing a RenderGraphic from geometric primitives.  
RenderClipVolume An opaque representation of a clip volume applied to geometry within a Viewport. Beta
RenderContext Provides context for producing RenderGraphics for drawing within a Viewport.  
RenderGraphic Abstract representation of an object which can be rendered by a RenderSystem.  
RenderGraphicOwner A graphic that owns another graphic.  
RenderSystem A RenderSystem provides access to resources used by the internal WebGL-based rendering system.  
Scene Holds a collection of objects comprising a Viewport's scene. Beta
SceneContext Context used to create the scene for a Viewport. Beta


Name Description  
FeatureOverrideType Options for overriding element appearance.  
GraphicType Describes the type of a GraphicBuilder, which defines the coordinate system in which the builder's geometry is defined and  

Global Functions

Name Description  
canvasToImageBuffer Create an ImageBuffer in the specified format with the same dimensions and contents as a canvas.  
canvasToResizedCanvasWithBars Resize a canvas to a desired size.  
extractImageSourceDimensions Extract the dimensions of the jpeg or png data encoded in an ImageSource.  
getCenteredViewRect Determine maximum ViewRect that can be fitted and centered in specified ViewRect given a required aspect ratio. Beta
getCompressedJpegFromCanvas Produce a jpeg compressed to no more than specified bytes and of no less than specified quality. Beta
getImageSourceFormatForMimeType Get the ImageSourceFormat corresponding to the mime type string, or undefined if the string does not identify a supported ImageSourceFormat.  
getImageSourceMimeType Get a string describing the mime type associated with an ImageSource format.  
imageBufferToBase64EncodedPng Converts the contents of an ImageBuffer to PNG format.  
imageBufferToCanvas Create a canvas element with the same dimensions and contents as an image buffer.  
imageBufferToPngDataUrl Produces a data url in "image/png" format from the contents of an ImageBuffer.  
imageElementFromImageSource Extract an html Image element from a binary jpeg or png.  
imageElementFromUrl Create an html Image element from a URL.  
openImageDataUrlInNewWindow Open an image specified as a data URL in a new window/tab. Beta
tryImageElementFromUrl Try to create an html Image element from a URL.  


Name Description  
AppearanceOverrideProps JSON representation of an appearance override in an EmphasizeElementsProps.  
CanvasDecoration A Decoration that is drawn onto the  
EmphasizeElementsProps JSON representation of an EmphasizeElements.  
RenderSystem.Options Options passed to IModelApp.supplyRenderSystem to configure the RenderSystem on startup. Beta
RenderSystemDebugControl An interface optionally exposed by a RenderSystem that allows control of various debugging features. Beta
RenderTargetDebugControl An interface optionally exposed by a RenderTarget that allows control of various debugging features. Beta


Name Description  
FeatureSymbology Contains types that enable an application to customize how Features are drawn within a Viewport.  
Pixel Describes aspects of a pixel as read from a Viewport. Beta

Type Aliases

Name Description  
CanvasDecorationList An array of CanvasDecorations.  
GraphicList An array of RenderGraphics.  

Last Updated: 26 October, 2020