Class: DomPlatform
• new DomPlatform()
Inherited from
acquireContext
▸ acquireContext(canvas
, options?
): CanvasRenderingContext2D
Called at chart construction time, returns a context2d instance implementing the W3C Canvas 2D Context API standard (opens new window).
Parameters
Returns
CanvasRenderingContext2D
Inherited from
Defined in
addEventListener
▸ addEventListener(chart
, type
, listener
): void
Registers the specified listener on the given chart.
Parameters
Name | Type | Description |
---|---|---|
chart | Chart<keyof , (number | ScatterDataPoint | )[], unknown > | Chart from which to listen for event |
type | string | The (ChartEvent) type to listen for |
listener | (e : ) => void | Receives a notification (an object that implements the ChartEvent interface) when an event of the specified type occurs. |
Returns
void
Inherited from
Defined in
index.esm.d.ts:2011 (opens new window)
▸ getDevicePixelRatio(): number
Returns
the current devicePixelRatio of the device this platform is connected to.
Inherited from
Defined in
index.esm.d.ts:2022 (opens new window)
getMaximumSize
▸ getMaximumSize(canvas
, width?
, height?
, aspectRatio?
): Object
Parameters
Returns
Object
the maximum size available.
Name | Type |
---|---|
height | number |
width | number |
Inherited from
Defined in
index.esm.d.ts:2030 (opens new window)
isAttached
▸ isAttached(canvas
): boolean
Parameters
Returns
true if the canvas is attached to the platform, false if not.
Inherited from
Defined in
index.esm.d.ts:2035 (opens new window)
▸ releaseContext(context
): boolean
Parameters
Name | Type | Description |
---|---|---|
context | CanvasRenderingContext2D | The context2d instance |
Returns
boolean
true if the method succeeded, else false
Inherited from
Defined in
removeEventListener
▸ removeEventListener(chart
, type
, listener
): void
Removes the specified listener previously registered with addEventListener.
Parameters
Returns
void
Inherited from
Defined in
updateConfig
▸ updateConfig(config
): void
Updates config with platform specific requirements
Parameters
Name | Type |
---|---|
config | ChartConfiguration<keyof , (number | ScatterDataPoint | )[], > |
Returns
void