Accessibility (FS-Skia-UI) | FS-Skia-UI

Accessibility Module

Namespace: FS.Skia.UI.Controls
Assembly: FS.Skia.UI.Controls.dll

Build and validate a control's accessibility contract: `metadata`/`defaultFor` plus `keyboard`/`contrast` evidence.

Functions and values

Function or value	Description
`contrast foreground background ratio requiredRatio` Full Usage: `contrast foreground background ratio requiredRatio` Parameters: foreground : `Color` background : `Color` ratio : `float` requiredRatio : `float` Returns: `ContrastEvidence`	Record `ContrastEvidence` for a foreground/background pair against the `requiredRatio`. foreground : `Color` background : `Color` ratio : `float` requiredRatio : `float` Returns: `ContrastEvidence`
`defaultFor kind label` Full Usage: `defaultFor kind label` Parameters: kind : `ControlKind` label : `string` Returns: `AccessibilityMetadata`	Build default `AccessibilityMetadata` for a `ControlKind` with the given accessible `label`. kind : `ControlKind` label : `string` Returns: `AccessibilityMetadata`
`keyboard focusable activationKeys navigationKeys` Full Usage: `keyboard focusable activationKeys navigationKeys` Parameters: focusable : `bool` activationKeys : `string list` navigationKeys : `string list` Returns: `KeyboardOperation`	Describe a control's keyboard contract: whether it is `focusable` and its activation/navigation keys. focusable : `bool` activationKeys : `string list` navigationKeys : `string list` Returns: `KeyboardOperation`
`metadata role nameSource state focusOrder keyboard contrast navRange` Full Usage: `metadata role nameSource state focusOrder keyboard contrast navRange` Parameters: role : `AccessibilityRole` nameSource : `string` state : `string list` focusOrder : `int option` keyboard : `KeyboardOperation` contrast : `ContrastEvidence option` navRange : `NavRange option` Returns: `AccessibilityMetadata`	Assemble full `AccessibilityMetadata` from role, name source, state, focus order, keyboard, contrast, and nav range. role : `AccessibilityRole` nameSource : `string` state : `string list` focusOrder : `int option` keyboard : `KeyboardOperation` contrast : `ContrastEvidence option` navRange : `NavRange option` Returns: `AccessibilityMetadata`
`validate control` Full Usage: `validate control` Parameters: control : `Control<'msg>` Returns: `ControlDiagnostic list` Type parameters: 'msg	Check a `control`'s accessibility contract and return any `ControlDiagnostic` violations. control : `Control<'msg>` Returns: `ControlDiagnostic list`