@feds01/graphika

---

@feds01/graphika / tooltip/canvas-renderer

tooltip/canvas-renderer

Classes

CanvasTooltipRenderer

Defined in: tooltip/canvas-renderer.ts:29

Canvas-based tooltip renderer.

Renders the tooltip directly onto the canvas, including:

• Vertical tracking line
• Indicator dots on each line at the intersection point
• Tooltip box with formatted values

Implements

• TooltipRenderer

Constructors

Constructor

new CanvasTooltipRenderer(graph, options): CanvasTooltipRenderer;

Defined in: tooltip/canvas-renderer.ts:30

Parameters

Parameter	Type
graph	default
options	RequiredTooltipOptions

Returns

CanvasTooltipRenderer

Methods

clear()

clear(): void;

Defined in: tooltip/canvas-renderer.ts:243

Clear the tooltip (no-op for canvas renderer as it's cleared on redraw).

Returns

void

Implementation of

TooltipRenderer.clear

destroy()

destroy(): void;

Defined in: tooltip/canvas-renderer.ts:250

Cleanup resources (no-op for canvas renderer).

Returns

void

Implementation of

TooltipRenderer.destroy

render()

render(state): void;

Defined in: tooltip/canvas-renderer.ts:38

Render the tooltip with the current state.

Parameters

Parameter	Type
state	TooltipState

Returns

void

Implementation of

TooltipRenderer.render