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OpenLayers mapping library
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TypeScript
export default Text;
/**
* Default text placement is `'point'`. Note that
* `'line'` requires the underlying geometry to be a {@link module :ol/geom/LineString~LineString},
* {@link module :ol/geom/Polygon~Polygon}, {@link module :ol/geom/MultiLineString~MultiLineString} or
* {@link module :ol/geom/MultiPolygon~MultiPolygon}.
*/
export type TextPlacement = "point" | "line";
export type TextJustify = "left" | "center" | "right";
export type Options = {
/**
* Font style as CSS `font` value, see:
* https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/font. Default is `'10px sans-serif'`
*/
font?: string | undefined;
/**
* When `placement` is set to `'line'`, allow a maximum angle between adjacent characters.
* The expected value is in radians, and the default is 45° (`Math.PI / 4`).
*/
maxAngle?: number | undefined;
/**
* Horizontal text offset in pixels. A positive will shift the text right.
*/
offsetX?: number | undefined;
/**
* Vertical text offset in pixels. A positive will shift the text down.
*/
offsetY?: number | undefined;
/**
* For polygon labels or when `placement` is set to `'line'`, allow text to exceed
* the width of the polygon at the label position or the length of the path that it follows.
*/
overflow?: boolean | undefined;
/**
* Text placement.
*/
placement?: TextPlacement | undefined;
/**
* Repeat interval. When set, the text will be repeated at this interval, which specifies
* the distance between two text anchors in pixels. Only available when `placement` is set to `'line'`. Overrides 'textAlign'.
*/
repeat?: number | undefined;
/**
* Scale.
*/
scale?: number | import("../size.js").Size | undefined;
/**
* Whether to rotate the text with the view.
*/
rotateWithView?: boolean | undefined;
/**
* Whether the text can be rotated 180° to prevent being rendered upside down.
*/
keepUpright?: boolean | undefined;
/**
* Rotation in radians (positive rotation clockwise).
*/
rotation?: number | undefined;
/**
* Text content or rich text content. For plain text provide a string, which can
* contain line breaks (`\n`). For rich text provide an array of text/font tuples. A tuple consists of the text to
* render and the font to use (or `''` to use the text style's font). A line break has to be a separate tuple (i.e. `'\n', ''`).
* **Example:** `['foo', 'bold 10px sans-serif', ' bar', 'italic 10px sans-serif', ' baz', '']` will yield "**foo** *bar* baz".
* **Note:** Rich text is not supported for `placement: 'line'` or the immediate rendering API.
*/
text?: string | string[] | undefined;
/**
* Text alignment. Possible values: `'left'`, `'right'`, `'center'`, `'end'` or `'start'`.
* Default is `'center'` for `placement: 'point'`. For `placement: 'line'`, the default is to let the renderer choose a
* placement where `maxAngle` is not exceeded.
*/
textAlign?: CanvasTextAlign | undefined;
/**
* Text justification within the text box.
* If not set, text is justified towards the `textAlign` anchor.
* Otherwise, use options `'left'`, `'center'`, or `'right'` to justify the text within the text box.
* **Note:** `justify` is ignored for immediate rendering and also for `placement: 'line'`.
*/
justify?: TextJustify | undefined;
/**
* Text base line. Possible values: `'bottom'`, `'top'`, `'middle'`, `'alphabetic'`,
* `'hanging'`, `'ideographic'`.
*/
textBaseline?: CanvasTextBaseline | undefined;
/**
* Fill style. If none is provided, we'll use a dark fill-style (#333). Specify `null` for no fill.
*/
fill?: Fill | null | undefined;
/**
* Stroke style.
*/
stroke?: import("./Stroke.js").default | undefined;
/**
* Fill style for the text background when `placement` is
* `'point'`. Default is no fill.
*/
backgroundFill?: Fill | undefined;
/**
* Stroke style for the text background when `placement`
* is `'point'`. Default is no stroke.
*/
backgroundStroke?: import("./Stroke.js").default | undefined;
/**
* Padding in pixels around the text for decluttering and background. The order of
* values in the array is `[top, right, bottom, left]`.
*/
padding?: number[] | undefined;
/**
* Declutter mode: `declutter`, `obstacle`, `none`
*/
declutterMode?: import("../style/Style.js").DeclutterMode | undefined;
};
/**
* @typedef {Object} Options
* @property {string} [font] Font style as CSS `font` value, see:
* https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/font. Default is `'10px sans-serif'`
* @property {number} [maxAngle=Math.PI/4] When `placement` is set to `'line'`, allow a maximum angle between adjacent characters.
* The expected value is in radians, and the default is 45° (`Math.PI / 4`).
* @property {number} [offsetX=0] Horizontal text offset in pixels. A positive will shift the text right.
* @property {number} [offsetY=0] Vertical text offset in pixels. A positive will shift the text down.
* @property {boolean} [overflow=false] For polygon labels or when `placement` is set to `'line'`, allow text to exceed
* the width of the polygon at the label position or the length of the path that it follows.
* @property {TextPlacement} [placement='point'] Text placement.
* @property {number} [repeat] Repeat interval. When set, the text will be repeated at this interval, which specifies
* the distance between two text anchors in pixels. Only available when `placement` is set to `'line'`. Overrides 'textAlign'.
* @property {number|import("../size.js").Size} [scale] Scale.
* @property {boolean} [rotateWithView=false] Whether to rotate the text with the view.
* @property {boolean} [keepUpright=true] Whether the text can be rotated 180° to prevent being rendered upside down.
* @property {number} [rotation=0] Rotation in radians (positive rotation clockwise).
* @property {string|Array<string>} [text] Text content or rich text content. For plain text provide a string, which can
* contain line breaks (`\n`). For rich text provide an array of text/font tuples. A tuple consists of the text to
* render and the font to use (or `''` to use the text style's font). A line break has to be a separate tuple (i.e. `'\n', ''`).
* **Example:** `['foo', 'bold 10px sans-serif', ' bar', 'italic 10px sans-serif', ' baz', '']` will yield "**foo** *bar* baz".
* **Note:** Rich text is not supported for `placement: 'line'` or the immediate rendering API.
* @property {CanvasTextAlign} [textAlign] Text alignment. Possible values: `'left'`, `'right'`, `'center'`, `'end'` or `'start'`.
* Default is `'center'` for `placement: 'point'`. For `placement: 'line'`, the default is to let the renderer choose a
* placement where `maxAngle` is not exceeded.
* @property {TextJustify} [justify] Text justification within the text box.
* If not set, text is justified towards the `textAlign` anchor.
* Otherwise, use options `'left'`, `'center'`, or `'right'` to justify the text within the text box.
* **Note:** `justify` is ignored for immediate rendering and also for `placement: 'line'`.
* @property {CanvasTextBaseline} [textBaseline='middle'] Text base line. Possible values: `'bottom'`, `'top'`, `'middle'`, `'alphabetic'`,
* `'hanging'`, `'ideographic'`.
* @property {import("./Fill.js").default|null} [fill] Fill style. If none is provided, we'll use a dark fill-style (#333). Specify `null` for no fill.
* @property {import("./Stroke.js").default} [stroke] Stroke style.
* @property {import("./Fill.js").default} [backgroundFill] Fill style for the text background when `placement` is
* `'point'`. Default is no fill.
* @property {import("./Stroke.js").default} [backgroundStroke] Stroke style for the text background when `placement`
* is `'point'`. Default is no stroke.
* @property {Array<number>} [padding=[0, 0, 0, 0]] Padding in pixels around the text for decluttering and background. The order of
* values in the array is `[top, right, bottom, left]`.
* @property {import('../style/Style.js').DeclutterMode} [declutterMode] Declutter mode: `declutter`, `obstacle`, `none`
*/
/**
* @classdesc
* Set text style for vector features.
* @api
*/
declare class Text {
/**
* @param {Options} [options] Options.
*/
constructor(options?: Options);
/**
* @private
* @type {string|undefined}
*/
private font_;
/**
* @private
* @type {number|undefined}
*/
private rotation_;
/**
* @private
* @type {boolean|undefined}
*/
private rotateWithView_;
/**
* @private
* @type {boolean|undefined}
*/
private keepUpright_;
/**
* @private
* @type {number|import("../size.js").Size|undefined}
*/
private scale_;
/**
* @private
* @type {import("../size.js").Size}
*/
private scaleArray_;
/**
* @private
* @type {string|Array<string>|undefined}
*/
private text_;
/**
* @private
* @type {CanvasTextAlign|undefined}
*/
private textAlign_;
/**
* @private
* @type {TextJustify|undefined}
*/
private justify_;
/**
* @private
* @type {number|undefined}
*/
private repeat_;
/**
* @private
* @type {CanvasTextBaseline|undefined}
*/
private textBaseline_;
/**
* @private
* @type {import("./Fill.js").default|null}
*/
private fill_;
/**
* @private
* @type {number}
*/
private maxAngle_;
/**
* @private
* @type {TextPlacement}
*/
private placement_;
/**
* @private
* @type {boolean}
*/
private overflow_;
/**
* @private
* @type {import("./Stroke.js").default|null}
*/
private stroke_;
/**
* @private
* @type {number}
*/
private offsetX_;
/**
* @private
* @type {number}
*/
private offsetY_;
/**
* @private
* @type {import("./Fill.js").default|null}
*/
private backgroundFill_;
/**
* @private
* @type {import("./Stroke.js").default|null}
*/
private backgroundStroke_;
/**
* @private
* @type {Array<number>|null}
*/
private padding_;
/**
* @private
* @type {import('../style/Style.js').DeclutterMode}
*/
private declutterMode_;
/**
* Clones the style.
* @return {Text} The cloned style.
* @api
*/
clone(): Text;
/**
* Get the `overflow` configuration.
* @return {boolean} Let text overflow the length of the path they follow.
* @api
*/
getOverflow(): boolean;
/**
* Get the font name.
* @return {string|undefined} Font.
* @api
*/
getFont(): string | undefined;
/**
* Get the maximum angle between adjacent characters.
* @return {number} Angle in radians.
* @api
*/
getMaxAngle(): number;
/**
* Get the label placement.
* @return {TextPlacement} Text placement.
* @api
*/
getPlacement(): TextPlacement;
/**
* Get the repeat interval of the text.
* @return {number|undefined} Repeat interval in pixels.
* @api
*/
getRepeat(): number | undefined;
/**
* Get the x-offset for the text.
* @return {number} Horizontal text offset.
* @api
*/
getOffsetX(): number;
/**
* Get the y-offset for the text.
* @return {number} Vertical text offset.
* @api
*/
getOffsetY(): number;
/**
* Get the fill style for the text.
* @return {import("./Fill.js").default|null} Fill style.
* @api
*/
getFill(): import("./Fill.js").default | null;
/**
* Determine whether the text rotates with the map.
* @return {boolean|undefined} Rotate with map.
* @api
*/
getRotateWithView(): boolean | undefined;
/**
* Determine whether the text can be rendered upside down.
* @return {boolean|undefined} Keep text upright.
* @api
*/
getKeepUpright(): boolean | undefined;
/**
* Get the text rotation.
* @return {number|undefined} Rotation.
* @api
*/
getRotation(): number | undefined;
/**
* Get the text scale.
* @return {number|import("../size.js").Size|undefined} Scale.
* @api
*/
getScale(): number | import("../size.js").Size | undefined;
/**
* Get the symbolizer scale array.
* @return {import("../size.js").Size} Scale array.
*/
getScaleArray(): import("../size.js").Size;
/**
* Get the stroke style for the text.
* @return {import("./Stroke.js").default|null} Stroke style.
* @api
*/
getStroke(): import("./Stroke.js").default | null;
/**
* Get the text to be rendered.
* @return {string|Array<string>|undefined} Text.
* @api
*/
getText(): string | Array<string> | undefined;
/**
* Get the text alignment.
* @return {CanvasTextAlign|undefined} Text align.
* @api
*/
getTextAlign(): CanvasTextAlign | undefined;
/**
* Get the justification.
* @return {TextJustify|undefined} Justification.
* @api
*/
getJustify(): TextJustify | undefined;
/**
* Get the text baseline.
* @return {CanvasTextBaseline|undefined} Text baseline.
* @api
*/
getTextBaseline(): CanvasTextBaseline | undefined;
/**
* Get the background fill style for the text.
* @return {import("./Fill.js").default|null} Fill style.
* @api
*/
getBackgroundFill(): import("./Fill.js").default | null;
/**
* Get the background stroke style for the text.
* @return {import("./Stroke.js").default|null} Stroke style.
* @api
*/
getBackgroundStroke(): import("./Stroke.js").default | null;
/**
* Get the padding for the text.
* @return {Array<number>|null} Padding.
* @api
*/
getPadding(): Array<number> | null;
/**
* Get the declutter mode of the shape
* @return {import("./Style.js").DeclutterMode} Shape's declutter mode
* @api
*/
getDeclutterMode(): import("./Style.js").DeclutterMode;
/**
* Set the `overflow` property.
*
* @param {boolean} overflow Let text overflow the path that it follows.
* @api
*/
setOverflow(overflow: boolean): void;
/**
* Set the font.
*
* @param {string|undefined} font Font.
* @api
*/
setFont(font: string | undefined): void;
/**
* Set the maximum angle between adjacent characters.
*
* @param {number} maxAngle Angle in radians.
* @api
*/
setMaxAngle(maxAngle: number): void;
/**
* Set the x offset.
*
* @param {number} offsetX Horizontal text offset.
* @api
*/
setOffsetX(offsetX: number): void;
/**
* Set the y offset.
*
* @param {number} offsetY Vertical text offset.
* @api
*/
setOffsetY(offsetY: number): void;
/**
* Set the text placement.
*
* @param {TextPlacement} placement Placement.
* @api
*/
setPlacement(placement: TextPlacement): void;
/**
* Set the repeat interval of the text.
* @param {number|undefined} [repeat] Repeat interval in pixels.
* @api
*/
setRepeat(repeat?: number | undefined): void;
/**
* Set whether to rotate the text with the view.
*
* @param {boolean} rotateWithView Rotate with map.
* @api
*/
setRotateWithView(rotateWithView: boolean): void;
/**
* Set whether the text can be rendered upside down.
*
* @param {boolean} keepUpright Keep text upright.
* @api
*/
setKeepUpright(keepUpright: boolean): void;
/**
* Set the fill.
*
* @param {import("./Fill.js").default|null} fill Fill style.
* @api
*/
setFill(fill: import("./Fill.js").default | null): void;
/**
* Set the rotation.
*
* @param {number|undefined} rotation Rotation.
* @api
*/
setRotation(rotation: number | undefined): void;
/**
* Set the scale.
*
* @param {number|import("../size.js").Size|undefined} scale Scale.
* @api
*/
setScale(scale: number | import("../size.js").Size | undefined): void;
/**
* Set the stroke.
*
* @param {import("./Stroke.js").default|null} stroke Stroke style.
* @api
*/
setStroke(stroke: import("./Stroke.js").default | null): void;
/**
* Set the text.
*
* @param {string|Array<string>|undefined} text Text.
* @api
*/
setText(text: string | Array<string> | undefined): void;
/**
* Set the text alignment.
*
* @param {CanvasTextAlign|undefined} textAlign Text align.
* @api
*/
setTextAlign(textAlign: CanvasTextAlign | undefined): void;
/**
* Set the justification.
*
* @param {TextJustify|undefined} justify Justification.
* @api
*/
setJustify(justify: TextJustify | undefined): void;
/**
* Set the text baseline.
*
* @param {CanvasTextBaseline|undefined} textBaseline Text baseline.
* @api
*/
setTextBaseline(textBaseline: CanvasTextBaseline | undefined): void;
/**
* Set the background fill.
*
* @param {import("./Fill.js").default|null} fill Fill style.
* @api
*/
setBackgroundFill(fill: import("./Fill.js").default | null): void;
/**
* Set the background stroke.
*
* @param {import("./Stroke.js").default|null} stroke Stroke style.
* @api
*/
setBackgroundStroke(stroke: import("./Stroke.js").default | null): void;
/**
* Set the padding (`[top, right, bottom, left]`).
*
* @param {Array<number>|null} padding Padding.
* @api
*/
setPadding(padding: Array<number> | null): void;
}
import Fill from './Fill.js';
//# sourceMappingURL=Text.d.ts.map