ZoomCharts Documentation
Version: 1.21.20 (2026-09-08)
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FacetChart.settings.comments.defaultBackgroundStyle

This section is defined by the type BaseSettingsBackgroundStyle.

Optional default panel-card chrome ({@link SettingsComment.background} style fill/line) applied by the annotations experience when styling comments. Dark theme sets a light wash (white ~2% fill / ~15% outline).

Properties

fillColor: string | CanvasGradient
lineColor: string
lineDash: Array<number>
lineDashOffset: number
lineWidth: number
shadowBlur: number
shadowColor: string
shadowOffsetX: number
shadowOffsetY: number
shadowSpread: number

Outer glow width in pixels, similar to the spread parameter of CSS box-shadow. When set together with shadowColor, an expanded rounded rectangle is drawn behind the background before the main fill and stroke.

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