File "core.scale.d.ts"
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export default class Scale extends Element<import("../types/basic.js").AnyObject, import("../types/basic.js").AnyObject> {
constructor(cfg: any);
/** @type {string} */
id: string;
/** @type {string} */
type: string;
/** @type {any} */
options: any;
/** @type {CanvasRenderingContext2D} */
ctx: CanvasRenderingContext2D;
/** @type {Chart} */
chart: Chart;
/** @type {number} */
top: number;
/** @type {number} */
bottom: number;
/** @type {number} */
left: number;
/** @type {number} */
right: number;
/** @type {number} */
width: number;
/** @type {number} */
height: number;
_margins: {
left: number;
right: number;
top: number;
bottom: number;
};
/** @type {number} */
maxWidth: number;
/** @type {number} */
maxHeight: number;
/** @type {number} */
paddingTop: number;
/** @type {number} */
paddingBottom: number;
/** @type {number} */
paddingLeft: number;
/** @type {number} */
paddingRight: number;
/** @type {string=} */
axis: string | undefined;
/** @type {number=} */
labelRotation: number | undefined;
min: any;
max: any;
_range: {
min: number;
max: number;
};
/** @type {Tick[]} */
ticks: Tick[];
/** @type {object[]|null} */
_gridLineItems: object[] | null;
/** @type {object[]|null} */
_labelItems: object[] | null;
/** @type {object|null} */
_labelSizes: object | null;
_length: number;
_maxLength: number;
_longestTextCache: {};
/** @type {number} */
_startPixel: number;
/** @type {number} */
_endPixel: number;
_reversePixels: boolean;
_userMax: any;
_userMin: any;
_suggestedMax: any;
_suggestedMin: any;
_ticksLength: number;
_borderValue: number;
_cache: {};
_dataLimitsCached: boolean;
$context: any;
/**
* @param {any} options
* @since 3.0
*/
init(options: any): void;
/**
* Parse a supported input value to internal representation.
* @param {*} raw
* @param {number} [index]
* @since 3.0
*/
parse(raw: any, index?: number): any;
/**
* @return {{min: number, max: number, minDefined: boolean, maxDefined: boolean}}
* @protected
* @since 3.0
*/
protected getUserBounds(): {
min: number;
max: number;
minDefined: boolean;
maxDefined: boolean;
};
/**
* @param {boolean} canStack
* @return {{min: number, max: number}}
* @protected
* @since 3.0
*/
protected getMinMax(canStack: boolean): {
min: number;
max: number;
};
/**
* Get the padding needed for the scale
* @return {{top: number, left: number, bottom: number, right: number}} the necessary padding
* @private
*/
private getPadding;
/**
* Returns the scale tick objects
* @return {Tick[]}
* @since 2.7
*/
getTicks(): Tick[];
/**
* @return {string[]}
*/
getLabels(): string[];
/**
* @return {import('../types.js').LabelItem[]}
*/
getLabelItems(chartArea?: import("../types.js").ChartArea): import('../types.js').LabelItem[];
beforeLayout(): void;
beforeUpdate(): void;
/**
* @param {number} maxWidth - the max width in pixels
* @param {number} maxHeight - the max height in pixels
* @param {{top: number, left: number, bottom: number, right: number}} margins - the space between the edge of the other scales and edge of the chart
* This space comes from two sources:
* - padding - space that's required to show the labels at the edges of the scale
* - thickness of scales or legends in another orientation
*/
update(maxWidth: number, maxHeight: number, margins: {
top: number;
left: number;
bottom: number;
right: number;
}): void;
/**
* @protected
*/
protected configure(): void;
_alignToPixels: any;
afterUpdate(): void;
beforeSetDimensions(): void;
setDimensions(): void;
afterSetDimensions(): void;
_callHooks(name: any): void;
beforeDataLimits(): void;
determineDataLimits(): void;
afterDataLimits(): void;
beforeBuildTicks(): void;
/**
* @return {object[]} the ticks
*/
buildTicks(): object[];
afterBuildTicks(): void;
beforeTickToLabelConversion(): void;
/**
* Convert ticks to label strings
* @param {Tick[]} ticks
*/
generateTickLabels(ticks: Tick[]): void;
afterTickToLabelConversion(): void;
beforeCalculateLabelRotation(): void;
calculateLabelRotation(): void;
afterCalculateLabelRotation(): void;
afterAutoSkip(): void;
beforeFit(): void;
fit(): void;
_calculatePadding(first: any, last: any, sin: any, cos: any): void;
/**
* Handle margins and padding interactions
* @private
*/
private _handleMargins;
afterFit(): void;
/**
* @return {boolean}
*/
isHorizontal(): boolean;
/**
* @return {boolean}
*/
isFullSize(): boolean;
/**
* @param {Tick[]} ticks
* @private
*/
private _convertTicksToLabels;
/**
* @return {{ first: object, last: object, widest: object, highest: object, widths: Array, heights: array }}
* @private
*/
private _getLabelSizes;
/**
* Returns {width, height, offset} objects for the first, last, widest, highest tick
* labels where offset indicates the anchor point offset from the top in pixels.
* @return {{ first: object, last: object, widest: object, highest: object, widths: Array, heights: array }}
* @private
*/
private _computeLabelSizes;
/**
* Used to get the label to display in the tooltip for the given value
* @param {*} value
* @return {string}
*/
getLabelForValue(value: any): string;
/**
* Returns the location of the given data point. Value can either be an index or a numerical value
* The coordinate (0, 0) is at the upper-left corner of the canvas
* @param {*} value
* @param {number} [index]
* @return {number}
*/
getPixelForValue(value: any, index?: number): number;
/**
* Used to get the data value from a given pixel. This is the inverse of getPixelForValue
* The coordinate (0, 0) is at the upper-left corner of the canvas
* @param {number} pixel
* @return {*}
*/
getValueForPixel(pixel: number): any;
/**
* Returns the location of the tick at the given index
* The coordinate (0, 0) is at the upper-left corner of the canvas
* @param {number} index
* @return {number}
*/
getPixelForTick(index: number): number;
/**
* Utility for getting the pixel location of a percentage of scale
* The coordinate (0, 0) is at the upper-left corner of the canvas
* @param {number} decimal
* @return {number}
*/
getPixelForDecimal(decimal: number): number;
/**
* @param {number} pixel
* @return {number}
*/
getDecimalForPixel(pixel: number): number;
/**
* Returns the pixel for the minimum chart value
* The coordinate (0, 0) is at the upper-left corner of the canvas
* @return {number}
*/
getBasePixel(): number;
/**
* @return {number}
*/
getBaseValue(): number;
/**
* @protected
*/
protected getContext(index: any): any;
/**
* @return {number}
* @private
*/
private _tickSize;
/**
* @return {boolean}
* @private
*/
private _isVisible;
/**
* @private
*/
private _computeGridLineItems;
/**
* @private
*/
private _computeLabelItems;
_getXAxisLabelAlignment(): string;
_getYAxisLabelAlignment(tl: any): {
textAlign: string;
x: any;
};
/**
* @private
*/
private _computeLabelArea;
/**
* @protected
*/
protected drawBackground(): void;
getLineWidthForValue(value: any): any;
/**
* @protected
*/
protected drawGrid(chartArea: any): void;
/**
* @protected
*/
protected drawBorder(): void;
/**
* @protected
*/
protected drawLabels(chartArea: any): void;
/**
* @protected
*/
protected drawTitle(): void;
draw(chartArea: any): void;
/**
* @return {object[]}
* @private
*/
private _layers;
/**
* Returns visible dataset metas that are attached to this scale
* @param {string} [type] - if specified, also filter by dataset type
* @return {object[]}
*/
getMatchingVisibleMetas(type?: string): object[];
/**
* @param {number} index
* @return {object}
* @protected
*/
protected _resolveTickFontOptions(index: number): object;
/**
* @protected
*/
protected _maxDigits(): number;
}
export type Chart = import('../types/index.js').Chart;
export type Tick = {
value: number | string;
label?: string;
major?: boolean;
$context?: any;
};
import Element from "./core.element.js";