Class AcGiContext

Draw-time context used to resolve semantic entity colors into pixel RGB values.

ACI 7 (foreground / contrast color) depends on the current background, so RGB resolution must happen in the renderer with this context rather than on traits.

Constructors

constructor

Properties

backgroundIsDark database fallbackRgb? foregroundOnDark foregroundOnLight

Methods

resolveSubEntityTraitsRgb fromBackgroundColor

Constructors

constructor

Properties

backgroundIsDark

backgroundIsDark: boolean

Whether the current draw background is dark.

database

database: unknown

Database being drawn. Runtime type is AcDbDatabase (data-model); typed as unknown here so graphic-interface does not depend on data-model.

OptionalfallbackRgb

fallbackRgb?: number

Fallback RGB when the resolved color has no concrete RGB value.

foregroundOnDark

foregroundOnDark: number

RGB used when the resolved color is foreground (ACI 7) on a dark background.

foregroundOnLight

foregroundOnLight: number

RGB used when the resolved color is foreground (ACI 7) on a light background.

Methods

resolveSubEntityTraitsRgb

StaticfromBackgroundColor

  • fromBackgroundColor(backgroundColor?: number, database?: unknown): AcGiContext

  • Creates a draw-time context from the current canvas background colour.

    Parameters

    • backgroundColor: number = ACGI_MODEL_SPACE_BACKGROUND
    • Optionaldatabase: unknown

    Returns AcGiContext

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