Files
openlayers/src/ol/style/fill.js
2016-09-11 21:44:52 +02:00

85 lines
1.5 KiB
JavaScript

goog.provide('ol.style.Fill');
goog.require('ol');
goog.require('ol.color');
/**
* @classdesc
* Set fill style for vector features.
*
* @constructor
* @param {olx.style.FillOptions=} opt_options Options.
* @api
*/
ol.style.Fill = function(opt_options) {
var options = opt_options || {};
/**
* @private
* @type {ol.Color|ol.ColorLike}
*/
this.color_ = options.color !== undefined ? options.color : null;
/**
* @private
* @type {string|undefined}
*/
this.checksum_ = undefined;
};
/**
* Clones the style.
* @return {ol.style.Fill} The cloned style.
* @api
*/
ol.style.Fill.prototype.clone = function() {
return new ol.style.Fill({
color: (this.getColor() instanceof Array) ? this.getColor().slice(0) : this.getColor()
});
};
/**
* Get the fill color.
* @return {ol.Color|ol.ColorLike} Color.
* @api
*/
ol.style.Fill.prototype.getColor = function() {
return this.color_;
};
/**
* Set the color.
*
* @param {ol.Color|ol.ColorLike} color Color.
* @api
*/
ol.style.Fill.prototype.setColor = function(color) {
this.color_ = color;
this.checksum_ = undefined;
};
/**
* @return {string} The checksum.
*/
ol.style.Fill.prototype.getChecksum = function() {
if (this.checksum_ === undefined) {
if (
this.color_ instanceof CanvasPattern ||
this.color_ instanceof CanvasGradient
) {
this.checksum_ = ol.getUid(this.color_).toString();
} else {
this.checksum_ = 'f' + (this.color_ ?
ol.color.asString(this.color_) : '-');
}
}
return this.checksum_;
};