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export default ScaleLine;
/**
* Units for the scale line.
*/
export type Units = 'degrees' | 'imperial' | 'nautical' | 'metric' | 'us';
/**
* *
*/
export type ScaleLineOnSignature<Return> = import("../Observable").OnSignature<import("../Observable").EventTypes, import("../events/Event.js").default, Return> & import("../Observable").OnSignature<import("../ObjectEventType").Types | 'change:units', import("../Object").ObjectEvent, Return> & import("../Observable").CombinedOnSignature<import("../Observable").EventTypes | import("../ObjectEventType").Types | 'change:units', Return>;
export type Options = {
/**
* CSS class name. The default is `ol-scale-bar` when configured with
* `bar: true`. Otherwise the default is `ol-scale-line`.
*/
className?: string | undefined;
/**
* Minimum width in pixels at the OGC default dpi. The width will be
* adjusted to match the dpi used.
*/
minWidth?: number | undefined;
/**
* Maximum width in pixels at the OGC default dpi. The width will be
* adjusted to match the dpi used.
*/
maxWidth?: number | undefined;
/**
* Function called when the control
* should be re-rendered. This is called in a `requestAnimationFrame` callback.
*/
render?: ((arg0: import("../MapEvent.js").default) => void) | undefined;
/**
* Specify a target if you want the control
* to be rendered outside of the map's viewport.
*/
target?: string | HTMLElement | undefined;
/**
* Units.
*/
units?: Units | undefined;
/**
* Render scalebars instead of a line.
*/
bar?: boolean | undefined;
/**
* Number of steps the scalebar should use. Use even numbers
* for best results. Only applies when `bar` is `true`.
*/
steps?: number | undefined;
/**
* Render the text scale above of the scalebar. Only applies
* when `bar` is `true`.
*/
text?: boolean | undefined;
/**
* dpi of output device such as printer. Only applies
* when `bar` is `true`. If undefined the OGC default screen pixel size of 0.28mm will be assumed.
*/
dpi?: number | undefined;
};
/***
* @template Return
* @typedef {import("../Observable").OnSignature<import("../Observable").EventTypes, import("../events/Event.js").default, Return> &
* import("../Observable").OnSignature<import("../ObjectEventType").Types|
* 'change:units', import("../Object").ObjectEvent, Return> &
* import("../Observable").CombinedOnSignature<import("../Observable").EventTypes|import("../ObjectEventType").Types
* |'change:units', Return>} ScaleLineOnSignature
*/
/**
* @typedef {Object} Options
* @property {string} [className] CSS class name. The default is `ol-scale-bar` when configured with
* `bar: true`. Otherwise the default is `ol-scale-line`.
* @property {number} [minWidth=64] Minimum width in pixels at the OGC default dpi. The width will be
* adjusted to match the dpi used.
* @property {number} [maxWidth] Maximum width in pixels at the OGC default dpi. The width will be
* adjusted to match the dpi used.
* @property {function(import("../MapEvent.js").default):void} [render] Function called when the control
* should be re-rendered. This is called in a `requestAnimationFrame` callback.
* @property {HTMLElement|string} [target] Specify a target if you want the control
* to be rendered outside of the map's viewport.
* @property {Units} [units='metric'] Units.
* @property {boolean} [bar=false] Render scalebars instead of a line.
* @property {number} [steps=4] Number of steps the scalebar should use. Use even numbers
* for best results. Only applies when `bar` is `true`.
* @property {boolean} [text=false] Render the text scale above of the scalebar. Only applies
* when `bar` is `true`.
* @property {number|undefined} [dpi=undefined] dpi of output device such as printer. Only applies
* when `bar` is `true`. If undefined the OGC default screen pixel size of 0.28mm will be assumed.
*/
/**
* @classdesc
* A control displaying rough y-axis distances, calculated for the center of the
* viewport. For conformal projections (e.g. EPSG:3857, the default view
* projection in OpenLayers), the scale is valid for all directions.
* No scale line will be shown when the y-axis distance of a pixel at the
* viewport center cannot be calculated in the view projection.
* By default the scale line will show in the bottom left portion of the map,
* but this can be changed by using the css selector `.ol-scale-line`.
* When specifying `bar` as `true`, a scalebar will be rendered instead
* of a scaleline.
*
* @api
*/
declare class ScaleLine extends Control {
/**
* @param {Options} [options] Scale line options.
*/
constructor(options?: Options | undefined);
/***
* @type {ScaleLineOnSignature<import("../events").EventsKey>}
*/
on: ScaleLineOnSignature<import("../events").EventsKey>;
/***
* @type {ScaleLineOnSignature<import("../events").EventsKey>}
*/
once: ScaleLineOnSignature<import("../events").EventsKey>;
/***
* @type {ScaleLineOnSignature<void>}
*/
un: ScaleLineOnSignature<void>;
/**
* @private
* @type {HTMLElement}
*/
private innerElement_;
/**
* @private
* @type {?import("../View.js").State}
*/
private viewState_;
/**
* @private
* @type {number}
*/
private minWidth_;
/**
* @private
* @type {number|undefined}
*/
private maxWidth_;
/**
* @private
* @type {boolean}
*/
private renderedVisible_;
/**
* @private
* @type {number|undefined}
*/
private renderedWidth_;
/**
* @private
* @type {string}
*/
private renderedHTML_;
/**
* @private
* @type {boolean}
*/
private scaleBar_;
/**
* @private
* @type {number}
*/
private scaleBarSteps_;
/**
* @private
* @type {boolean}
*/
private scaleBarText_;
/**
* @private
* @type {number|undefined}
*/
private dpi_;
/**
* Return the units to use in the scale line.
* @return {Units} The units
* to use in the scale line.
* @observable
* @api
*/
getUnits(): Units;
/**
* @private
*/
private handleUnitsChanged_;
/**
* Set the units to use in the scale line.
* @param {Units} units The units to use in the scale line.
* @observable
* @api
*/
setUnits(units: Units): void;
/**
* Specify the dpi of output device such as printer.
* @param {number|undefined} dpi The dpi of output device.
* @api
*/
setDpi(dpi: number | undefined): void;
/**
* @private
*/
private updateElement_;
/**
* @private
* @param {number} width The current width of the scalebar.
* @param {number} scale The current scale.
* @param {string} suffix The suffix to append to the scale text.
* @return {string} The stringified HTML of the scalebar.
*/
private createScaleBar;
/**
* Creates a marker at given position
* @param {'absolute'|'relative'} position The position, absolute or relative
* @return {string} The stringified div containing the marker
*/
createMarker(position: 'absolute' | 'relative'): string;
/**
* Creates the label for a marker marker at given position
* @param {number} i The iterator
* @param {number} width The width the scalebar will currently use
* @param {boolean} isLast Flag indicating if we add the last step text
* @param {number} scale The current scale for the whole scalebar
* @param {string} suffix The suffix for the scale
* @return {string} The stringified div containing the step text
*/
createStepText(i: number, width: number, isLast: boolean, scale: number, suffix: string): string;
/**
* Returns the appropriate scale for the given resolution and units.
* @return {number} The appropriate scale.
*/
getScaleForResolution(): number;
}
import Control from "./Control.js";
//# sourceMappingURL=ScaleLine.d.ts.map