95 lines
2.0 KiB
JavaScript
95 lines
2.0 KiB
JavaScript
/**
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* @module ol/style/Fill
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*/
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import {getUid} from '../util.js';
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import {asString} from '../color.js';
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/**
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* @typedef {Object} Options
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* @property {module:ol/color~Color|module:ol/colorlike~ColorLike} [color] A color, gradient or pattern.
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* See {@link module:ol/color~Color} and {@link module:ol/colorlike~ColorLike} for possible formats.
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* Default null; if null, the Canvas/renderer default black will be used.
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*/
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/**
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* @classdesc
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* Set fill style for vector features.
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*
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* @constructor
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* @param {module:ol/style/Fill~Options=} opt_options Options.
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* @api
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*/
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const Fill = function(opt_options) {
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const options = opt_options || {};
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/**
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* @private
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* @type {module:ol/color~Color|module:ol/colorlike~ColorLike}
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*/
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this.color_ = options.color !== undefined ? options.color : null;
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/**
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* @private
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* @type {string|undefined}
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*/
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this.checksum_ = undefined;
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};
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/**
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* Clones the style. The color is not cloned if it is an {@link module:ol/colorlike~ColorLike}.
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* @return {module:ol/style/Fill} The cloned style.
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* @api
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*/
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Fill.prototype.clone = function() {
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const color = this.getColor();
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return new Fill({
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color: (color && color.slice) ? color.slice() : color || undefined
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});
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};
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/**
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* Get the fill color.
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* @return {module:ol/color~Color|module:ol/colorlike~ColorLike} Color.
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* @api
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*/
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Fill.prototype.getColor = function() {
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return this.color_;
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};
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/**
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* Set the color.
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*
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* @param {module:ol/color~Color|module:ol/colorlike~ColorLike} color Color.
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* @api
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*/
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Fill.prototype.setColor = function(color) {
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this.color_ = color;
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this.checksum_ = undefined;
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};
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/**
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* @return {string} The checksum.
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*/
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Fill.prototype.getChecksum = function() {
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if (this.checksum_ === undefined) {
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if (
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this.color_ instanceof CanvasPattern ||
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this.color_ instanceof CanvasGradient
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) {
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this.checksum_ = getUid(this.color_).toString();
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} else {
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this.checksum_ = 'f' + (this.color_ ? asString(this.color_) : '-');
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}
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}
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return this.checksum_;
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};
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export default Fill;
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